Brands

Sample Storage Container

<h2 dir="ltr">What are Urine Collection Products?</h2>
 Urine collection products for laboratory use are containers and preservative systems designed to collect, stabilize, and transport urine specimens for urinalysis (UA), urine culture (C&amp;S), nucleic acid-based testing (NAAT for STIs), cell-free DNA (cfDNA) liquid biopsy, and 24-hour timed collections. Formats include sterile cups (30&ndash;60 mL), preservative tubes (5&ndash;50 mL), vacuum-draw urine transfer tubes, 24-hour collection containers (2&ndash;3 L), and preservative-prefilled devices for ambient-temperature stabilization of DNA, RNA, and proteins. Choose urine collection products with an active preservative when specimens cannot be processed within 2 hours of collection, when samples must be shipped to a centralized lab, or when nucleic acid integrity over 24+ hours is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile urine collection containers for routine diagnostic sampling</li>
<li dir="ltr" role="presentation">Urine transport tubes for secure handling and transfer workflows</li>
<li dir="ltr" role="presentation">Preservative urine tubes for culture and urinalysis stability</li>
<li dir="ltr" role="presentation">Midstream urine collection systems for contamination reduction</li>
<li dir="ltr" role="presentation">24-hour urine collection containers for metabolic testing workflows</li>
<li dir="ltr" role="presentation">Leak-resistant screw-cap urine tubes for safe transport</li>
<li dir="ltr" role="presentation">Graduated urine containers with volume markings for easy measurement</li>
<li dir="ltr" role="presentation">Pediatric urine collection solutions for low-volume sampling</li>
<li dir="ltr" role="presentation">Closed-system urine transfer devices for reduced exposure handling</li>
<li dir="ltr" role="presentation">General laboratory urine collection consumables for research use</li>
</ul>
<h2 dir="ltr"> How to Choose Urine Collection Products</h2>
 Application: Culture vs. NAAT vs. Nucleic Acid Research For culture (C&amp;S), use sterile cups or boric acid preservative tubes. For NAAT (STI panels for Chlamydia, Gonorrhea), use sterile cups or manufacturer-validated transfer tubes; confirm with your platform's IFU (e.g., Hologic Aptima Combo 2 uses a specific urine transport tube). For nucleic acid research (cfDNA, RNA, protein), use dedicated urine preservative tubes (Norgen, Streck) that stabilize analytes for up to 72 hours at room temperature. Volume: Random vs. 24-Hour Collection Random midstream urine (10&ndash;30 mL) is adequate for urinalysis, culture, and NAAT. Timed 24-hour collections (total volume 500&ndash;3000 mL) require large-volume containers with the appropriate preservative for the ordered panel. Mixing 24-hour containers with different preservatives is a common error&mdash;verify the correct preservative type with the laboratory before dispensing to the patient. Preservative Compatibility Boric acid tubes maintain bacterial counts for culture up to 24 hours at room temperature. Boric acid is NOT compatible with NAAT workflows&mdash;it inhibits PCR. For NAAT, use plain sterile containers or manufacturer-specific transfer tubes. For liquid biopsy cfDNA, Streck Cell-Free DNA Urine Preservative maintains cell integrity and prevents genomic DNA contamination for up to 72 hours. Sterility All urine containers intended for culture must be certified sterile. Containers for NAAT must be certified DNase-free and RNase-free to prevent nucleic acid contamination from the container. Confirm sterility and nuclease-free certification in the manufacturer's datasheet before use in molecular workflows. Automated Compatibility For high-throughput labs using automated urine analyzers (Sysmex UF-5000, Siemens CLINITEK), confirm that the collection tube format and cap design are compatible with tube-handling robotics. Copan UriSponge&reg; (FDA-cleared October 2024) is a boric-acid-free device validated for direct loading on WASP&reg; automation systems. 
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 Standard urine collection cups are manufactured from transparent polypropylene (PP) or polystyrene (PS) with wide-mouth, screw-cap lids. Sterile cups rated for culture meet ISO 7886 and are non-pyrogenic. Boric acid preservative tubes contain approximately 1.8% boric acid, stabilizing bacterial counts by creating a bacteriostatic environment. Norgen urine preservative tubes (5&ndash;50 mL, available in multiple sizes) stabilize DNA, RNA, microRNA, and protein from fresh urine for over 2 years at room temperature per manufacturer validation data. As of 2026, liquid biopsy studies using urine cfDNA routinely use Streck Cell-Free DNA Urine Preservative (3 mL per 30 mL urine) as the standard stabilization protocol in published clinical research protocols. 
Need help picking the right urine collection setup? <a href="https://mbpinc.net/contact-us">Contact MBP</a>, and we&rsquo;ll help you sort it out fast. No confusion, just the right fit for your workflow.

Urine Collection Products

Storage Jars

Globe Scientific 6360 wide-mouth storage jars in crystal-clear polystyrene (PS) or opaque polypropylene (PP), with separately packaged screw caps. Available from 7.5 mL through 960 mL. For specimen fixation, reagent storage, histology, and general lab containment.

Manufacture

Jar, Wide Mouth, 7.5mL (1/4oz), PS, 33mm Opening, 1 x 1"  (Screw Cap Packaged Separately), CS/2783

Jar, Wide Mouth, 7.5mL (1/4oz), PP, 33mm Opening, 1 x 1"  (Screw Cap Packaged Separately), CS/2783

Jar, Wide Mouth, 15mL (1/2oz), PS, 33mm Opening, 1 x 1 7/16"  (Screw Cap Packaged Separately), CS/2024

Jar, Wide Mouth, 15mL (1/2oz), PP, 33mm Opening, 1 x 1 7/16"  (Screw Cap Packaged Separately), CS/2024

Jar, Wide Mouth, 26mL (7/8oz), PS, 33mm Opening, 1 x 1 7/8"   (Screw Cap Packaged Separately), CS/1452

Jar, Wide Mouth, 26mL (7/8oz), PP, 33mm Opening, 1 x 1 7/8"   (Screw Cap Packaged Separately), CS/1452

Jar, Wide Mouth, 30mL (1oz), PS, 43mm Opening, 1 3/8 x 1 7/16"   (Screw Cap Packaged Separately), CS/980

Jar, Wide Mouth, 30mL (1oz), PP, 43mm Opening, 1 3/8 x 1 7/16"   (Screw Cap Packaged Separately), CS/980

Jar, Wide Mouth, 60mL (2oz), PS, 48mm Opening, 1 5/8 x 2 5/16"   (Screw Cap Packaged Separately), CS/585

Jar, Wide Mouth, 60mL (2oz), PP, 48mm Opening, 1 5/8 x 2 5/16"   (Screw Cap Packaged Separately), CS/585

Jar, Wide Mouth, 60mL (2oz), PS, 53mm Opening, 1 13/16 x 1 11/16"   (Screw Cap Packaged Separately), CS/588

Jar, Wide Mouth, 60mL (2oz), PP, 53mm Opening, 1 13/16 x 1 11/16"   (Screw Cap Packaged Separately), CS/588

Jar, Wide Mouth, 90mL (3oz), PS, 58mm Opening, 1 15/16 x 2"   (Screw Cap Packaged Separately), CS/432

Jar, Wide Mouth, 90mL (3oz), PP, 58mm Opening, 1 15/16 x 2"   (Screw Cap Packaged Separately), CS/432

Jar, Wide Mouth, 120mL (4oz), PS, 58mm Opening, 1 15/16 x 2 5/8"   (Screw Cap Packaged Separately), CS/280

Jar, Wide Mouth, 120mL (4oz), PP, 58mm Opening, 1 15/16 x 2 5/8"   (Screw Cap Packaged Separately), CS/280

Jar, Wide Mouth, 120mL (4oz), PS, 70mm Opening, 2 7/16 x 2 3/16"   (Screw Cap Packaged Separately), CS/250

Jar, Wide Mouth, 120mL (4oz), PP, 70mm Opening, 2 7/16 x 2 3/16"   (Screw Cap Packaged Separately), CS/528

Jar, Wide Mouth, 180mL (6oz), PS, 70mm Opening, 2 7/16 x 2 5/8"   (Screw Cap Packaged Separately), CS/200

Jar, Wide Mouth, 180mL (6oz), PP, 70mm Opening, 2 7/16 x 2 5/8"   (Screw Cap Packaged Separately), CS/432

Jar, Wide Mouth, 240mL (8oz), PS, 70mm Opening, 2 7/16 x 3 3/8"   (Screw Cap Packaged Separately), CS/150

Jar, Wide Mouth, 240mL (8oz), PP, 70mm Opening, 2 7/16 x 3 3/8"   (Screw Cap Packaged Separately), CS/336

Jar, Wide Mouth, 120mL (4oz), PS, 89mm Opening, 3 3/16 x 1 3/8"   (Screw Cap Packaged Separately), CS/224

Jar, Wide Mouth, 120mL (4oz), PP, 89mm Opening, 3 3/16 x 1 3/8"   (Screw Cap Packaged Separately), CS/510

Jar, Wide Mouth, 180mL (6oz), PS, 89mm Opening, 3 3/16 x 1 7/8"  (Screw Cap Packaged Separately), CS/168

Jar, Wide Mouth, 180mL (6oz), PP, 89mm Opening, 3 3/16 x 1 7/8"   (Screw Cap Packaged Separately), CS/390

Jar, Wide Mouth, 240mL (8oz), PS, 89mm Opening, 3 3/16 x 2 3/8"   (Screw Cap Packaged Separately), CS/140

Jar, Wide Mouth, 240mL (8oz), PP, 89mm Opening, 3 3/16 x 2 3/8"   (Screw Cap Packaged Separately), CS/300

Jar, Wide Mouth, 360mL (12oz), PS, 89mm Opening, 3 3/16 x 3"   (Screw Cap Packaged Separately), CS/112

Jar, Wide Mouth, 360mL (12oz), PP, 89mm Opening, 3 3/16 x 3"   (Screw Cap Packaged Separately), CS/240

Jar, Wide Mouth, 480mL (16oz), PS, 89mm Opening, 3 1/8 x 4"   (Screw Cap Packaged Separately), CS/84

Jar, Wide Mouth, 480mL (16oz), PP, 89mm Opening, 3 1/8 x 4"   (Screw Cap Packaged Separately), CS/180

Jar, Wide Mouth, 600mL (20oz), PS, 89mm Opening, 3 1/8 x 5"   (Screw Cap Packaged Separately), CS/56

Jar, Wide Mouth, 600mL (20oz), PP, 89mm Opening, 3 1/8 x 5"   (Screw Cap Packaged Separately), CS/150

Jar, Wide Mouth, 720mL (24oz), PS, 120mm Opening, 4 3/8 x 3 1/8"   (Screw Cap Packaged Separately), CS/60

Jar, Wide Mouth, 720mL (24oz), PP, 120mm Opening, 4 3/8 x 3 1/8"   (Screw Cap Packaged Separately), CS/120

Jar, Wide Mouth, 960mL (32oz), PS, 120mm Opening, 4 3/8 x 3 3/4"   (Screw Cap Packaged Separately), CS/45

Jar, Wide Mouth, 960mL (32oz), PP, 120mm Opening, 4 3/8 x 3 3/4"   (Screw Cap Packaged Separately), CS/90

Transfer Pipettes

<h2>What are disposable transfer pipettes?</h2>
&nbsp;
Disposable transfer pipettes are single-use plastic liquid-handling tools made from low-density polyethylene (LDPE). They are designed as a one-piece bulb-and-stem system used for transferring, dispensing, and handling small volumes of liquids in laboratory workflows.
They are commonly used as a safer and more convenient alternative to glass Pasteur pipettes. Being plastic and disposable, they eliminate the risk of breakage, reduce cross-contamination, and remove the need for separate rubber bulbs. The flexible bulb allows controlled aspiration and dispensing of reagents, samples, and solutions.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Graduated transfer pipettes &ndash; for approximate volume measurement and controlled dispensing</li>
<li>Non-graduated transfer pipettes &ndash; for simple liquid transfer without measurement markings</li>
<li>Fine-tip transfer pipettes &ndash; for small droplets and precise spot dispensing</li>
<li>Sterile transfer pipettes &ndash; for microbiology and contamination-sensitive workflows</li>
<li>Non-sterile transfer pipettes &ndash; for routine laboratory use</li>
<li>Disposable Pasteur pipettes &ndash; for general single-use liquid handling</li>
</ul>
&nbsp;
<h2>How to choose transfer pipettes</h2>
&nbsp;
Tip style Fine-tip pipettes are used for precise work such as microplate spotting and small-volume handling. Standard tips are suitable for general transfers, while wide-bore designs are better for viscous liquids or blood samples. Longer stems help access deep containers.
Capacity and volume handling Select pipettes based on typical working volumes. Smaller pipettes are suitable for low-volume transfers, while larger ones are used for routine sample handling. The effective draw volume depends on bulb capacity and usage technique.
Graduated vs non-graduated Graduated pipettes allow approximate volume estimation and are useful in clinical and diagnostic workflows. Non-graduated pipettes are intended for general dispensing where precise measurement is not required.
Sterility requirements Sterile pipettes are used in microbiology, cell culture, and clinical applications where contamination control is essential. Non-sterile versions are suitable for general laboratory and teaching use.
Length and accessibility Long pipettes are preferred for deep vessels such as flasks and bottles, while shorter designs are used for compact tubes and small workspaces.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Disposable LDPE transfer pipettes are widely used laboratory consumables for general-purpose liquid handling in research, clinical, and educational environments. They are available in sterile and non-sterile formats with multiple tip designs and capacities to support different workflows.
These pipettes remain a standard alternative to glass Pasteur pipettes due to their safety, low cost, and reduced contamination risk in routine laboratory applications.
For bulk orders or lab-specific requirements, <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for assistance and pricing.

Straight and Curved Transfer Syringes

Globe Scientific 159012 — 12 mL medical-grade polypropylene transfer syringe with printed graduations and removable plunger. Available in straight-tip (159012) and curved-tip (159014) configurations. Sold in bags of 50, suited for oral irrigation, animal feeding, and general lab liquid transfer.

Transfer Syringe, 12cc (12mL), Printed Graduations, Straight Tip, 50/Bag, CS/1200

Transfer Syringe, 12cc (12mL), Printed Graduations, Curved Tip, 50/Bag, CS/1200

<h2>What Is Short Path Distillation?</h2>
&nbsp;
Short path distillation (SPD), also called molecular distillation, is a batch thermal separation technique in which the evaporation surface and the internal condenser are positioned only centimeters apart within the same apparatus; the condenser is placed inside the distillation body rather than at the end of a vapor tube. Operating under high vacuum (0.001 to 1 mbar), the mean free path of vapor molecules becomes longer than the evaporation-to-condenser distance, enabling molecules to travel directly from the liquid surface to the condenser without collisions with other gas-phase molecules. This molecular flow regime eliminates the need to heat the sample to its atmospheric boiling point; effective separation temperatures are 100 to 200 degrees C below atmospheric boiling points. Residence time on the heated surface is short (seconds to a few minutes), further reducing thermal degradation. Short path distillation is the preferred purification technique for cannabinoids (THC, CBD), tocopherols, beta-carotene, fatty acid distillates, terpene fractions, high-molecular-weight pharmaceutical intermediates, and other thermally labile molecules with atmospheric boiling points above 200 degrees C that cannot tolerate the temperatures required for conventional distillation. Short path distillation is the technique to specify when you need maximum-purity separation of a heat-sensitive compound at gram-to-kilogram scale in a batch format; it achieves the lowest thermal stress of any batch distillation method.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Complete Turnkey Packages: All-in-one 2L, 5L, and 10L setups designed for immediate deployment, ensuring every component&mdash;from glassware to controllers&mdash;is perfectly synced.
</li>
<li dir="ltr" aria-level="1">
Advanced Thermal Protection: High-performance fabric insulation sleeves and heated shields (up to 400&deg;C) that maintain uniform heat distribution and protect your samples from external fluctuations.
</li>
<li dir="ltr" aria-level="1">
Real-Time Process Analytics: Integrated fraction finders and StrataVac kits that take the guesswork out of your distillation, allowing for precise monitoring of molecular transitions.
</li>
<li dir="ltr" aria-level="1">
Precision Maintenance Essentials: Specialized low-vapor vacuum grease and high-temp lubricants to maintain an airtight seal and ensure the longevity of your high-vacuum environment.
</li>
</ul>
&nbsp;
<h2>How to Choose a Short Path Distillation System</h2>
&nbsp;
Flask capacity and batch size
Short path distillation is a batch process. Lab-scale systems are available for 0.5 L, 1 L, 2 L, 5 L, 10 L, and 20 L flask charges. Choose the flask capacity that matches your batch size with 50 to 70% fill (overfilling a distillation flask causes bumping and carryover). For continuous processing at higher throughput, specify a wiped film short path still or a thin film distillation system.
Heating flask temperature and distillation temperature
The heating mantle or oil bath sets the temperature of the flask containing the feed material. For molecular distillation of cannabinoids, operating temperatures of 150 to 200 degrees C at 0.001 to 0.01 mbar are typical. For fatty acid distillation, 180 to 220 degrees C at 1 to 10 mbar is common. The internal condenser temperature (coolant temperature) determines which components condense vs. pass through to the cold finger (fore-vacuum cold trap). Systematic variation of flask temperature collects fractions at different volatility cuts.
Vacuum system
Short path distillation at the molecular range (0.001 to 0.01 mbar) requires a two-stage rotary vane pump paired with a cold trap cooled to -40 degrees C or below. Some manufacturers supply the pump as part of the system kit; others specify the pump separately. Confirm ultimate vacuum (blank-off pressure) and pumping speed (L/min or m3/h) of the included or recommended pump before purchase. The pump's ultimate vacuum should be at least 10-fold below the target operating pressure of the distillation system.
Borosilicate glass kit components
A complete short path distillation kit includes the distillation flask (round-bottom), distillation head or still body with internal condenser and cold finger, multiple receiving flasks for fractions, a heating mantle or oil bath, a vacuum manifold, connecting glassware with PTFE seals, and thermometer adapters. Confirm that all components are borosilicate 3.3 glass and that PTFE rather than rubber seals are used at all joints exposed to solvent or vacuum.
Cold finger (internal condenser) temperature
The cold finger is the internal condenser: a water- or chiller-cooled central tube around which condensed distillate collects and flows to the receiving flask. Cold finger coolant temperature controls which fractions condense. For cannabinoid purification, cold finger temperatures of 20 to 60 degrees C separate distillate from heavy residue. A secondary external cold trap cooled to -40 degrees C protects the vacuum pump from any low-boiling fraction that passes through the cold finger.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
For cannabinoid purification workflows, pre-processing steps before short path distillation are standard practice: first decarboxylation (heating to convert THCA to THC and CBDA to CBD), then solvent removal by rotary evaporator, then first-pass short path distillation to remove residual terpenes and light fractions before second-pass distillation for final cannabinoid purity. Confirm that the SPD system's operating vacuum is sufficient for your target compound by consulting published vapor pressure data at the intended operating temperature; a compound's vapor pressure must exceed the system operating pressure for distillation to proceed.&nbsp;
&nbsp;
Take your purification to the next level&mdash;browse our premium short path collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote today.

Short Path Distillation

Desktop AC Adapters 60 W 24 V 2.5A with power cord

KF25 bellows electromagnetic Aluminum Valve

DigiVac StrataVac Package

Overview of Upstream Vacuum Regulation

DigiVac Calibration

StrataVac Distillation Kits

The StrataVac is a versatile vacuum control system that combines the ability to measure and regulate pressure. It can drive up to three sensors and control vacuum using bleed or throttle valves across a wide range from 10mT to 760T. With modular expansion options, it can manage multiple gauges simultaneously and offer different input/output choices, including analog, RS232, and Ethernet. The system provides precise pressure readings in Torr, mbar, or kPa, and is factory calibrated against a NIST standard. It is commonly used for calibrating other instruments, research, and as a reference gauge. Optional vacuum control allows it to maintain pressure between 30mT and 2000mT.\n\n\n\n

Model

 Units

Power

Output

Vacuum range

Range with Accuracy

 Vacuum interface

Vacuum reference

Display

Controls

Telemetry options

Panel mount

Unit dimensions

Shipping dimensions

Weight

Manufacturer

DigiVac StrataVac Vacuum Regulation Kit for 1-Head Distillation

DigiVac StrataVac Regulation Kit for 2-Head Distillation w/ WiFi

<h2 data-section-id="1go10h8" data-start="173" data-end="215">What are classic cell culture media?</h2>
&nbsp;
Classic cell culture media refers to the foundational basal medium formulations that have underpinned mammalian cell culture since the mid-20th century: DMEM (Dulbecco's Modified Eagle Medium), MEM (Minimum Essential Medium), RPMI 1640, Ham's Nutrient Mixtures F-10 and F-12, IMDM (Iscove's Modified Dulbecco's Medium), and the combination formulation DMEM/F-12. Each is manufactured according to its originally published formula, with modifications limited to those necessary for consistent performance and stability of the medium over its shelf life. These media supply the amino acids, vitamins, glucose, salts, and (in most formulations) phenol red pH indicator that form the nutritional backbone of essentially all subsequent specialty, serum-free, and Advanced media derivatives.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Selective Mammalian Antibiotics including Puromycin, Geneticin, and Hygromycin B for stable development of cell lines.</li>
<li dir="ltr" role="presentation">Broad-Spectrum Bactericidal Agents for routine contamination prevention, including Penicillin/Streptomycin and Gentamicin&nbsp;</li>
<li dir="ltr" role="presentation">Prokaryotic Selection Reagents for effective bacterial transformation, including Ampicillin, Kanamycin, Chloramphenicol, and Tetracycline&nbsp;</li>
<li dir="ltr" role="presentation">Antifungal and Antimycotic Solutions to maintain sterile cultures, including combined 100X cocktails and Amphotericin B (Fungizone)&nbsp;</li>
<li dir="ltr" role="presentation">Specialized Small Molecules for targeted biochemical assays, including Ganciclovir, Rapamycin, and Actinomycin D&nbsp;</li>
</ul>
&nbsp;
<h2 data-section-id="1mfajxk" data-start="1218" data-end="1252">How to choose a classic medium</h2>
&nbsp;
DMEM vs MEM
DMEM contains up to four times the amino acid and vitamin concentration of original Eagle's MEM, along with higher glucose levels, making it suitable for cell types with elevated nutrient demands &mdash; DMEM is broadly applicable across mammalian, insect, and plant cell phenotypes including primary cells, stem cells, and transformed lines. MEM remains widely used for monolayer culture of many standard cell types, with optional Hanks' or Earle's salt formulations and a calcium-free modification that permits suspension growth.
RPMI 1640 for suspension and hematopoietic culture
RPMI 1640, developed at the Roswell Park Memorial Institute for culturing human leukemic cells, is optimized for non-adherent cell types &mdash; lymphocytes and other blood cells &mdash; and contains glutathione plus higher biotin, B12, and PABA concentrations than DMEM or MEM. Despite its hematopoietic origin, RPMI 1640 supports a broad range of adherent lines (HeLa, T47D, RENCA, CT26.WT) when properly supplemented.
Ham's F-10/F-12 for CHO and specialized applications
Ham's nutrient mixtures were originally developed for CHO cell clones, HeLa cells, and mouse L-cells, and remain suited to hepatocyte culture, viral fusion experiments, and toxicity assays, with formulations available for use with or without serum. Coon's modification of Ham's F-12 roughly doubles the amino acid and pyruvate content and adds ascorbic acid, developed specifically for hybrid cells produced by viral fusion.
DMEM/F-12 for complex, rich-medium applications
DMEM/F-12 (1:1 mixture) combines DMEM's glucose, amino acid, and vitamin richness with Ham's F-12's zinc, putrescine, hypoxanthine, and thymidine, producing an extremely rich complex medium used for MDCK cells, glial cells, fibroblasts, and human endothelial cells &mdash; and serving as the basal medium for many serum-free Advanced formulations used in organoid and stem cell work.
IMDM for high-density rapid proliferation
IMDM further enriches DMEM with additional amino acids and vitamins, substituting potassium nitrate for ferric nitrate and adding HEPES and sodium pyruvate. IMDM's sodium bicarbonate buffer system (5&ndash;10% CO₂) and enriched composition make it well suited for rapidly proliferating, high-density cultures including Jurkat, COS-7, and macrophage cells.
Liquid vs. powder format
Liquid classic media are ready to use (after appropriate FBS and supplement addition) and include sodium bicarbonate in the formulation. Powdered media are manufactured without sodium bicarbonate, since it tends to off-gas in powder form &mdash; 3.7 g/L sodium bicarbonate must be added upon reconstitution, followed by sterile filtration. Powder formats offer cost and shipping-weight advantages for high-volume labs preparing their own media.
&nbsp;
<h2 data-section-id="17i0pj" data-start="5035" data-end="5061">Specifications context</h2>
&nbsp;
Classic media are manufactured according to originally published formulas, with stability-related modifications documented per product. DMEM's sodium bicarbonate buffer system at 3.7 g/L is standard across liquid formulations; powdered formats require this addition upon reconstitution along with 0.22 &micro;m sterile filtration. As of 2026, DMEM, DMEM/F-12, and RPMI 1640 remain the three most widely specified classic media across academic and biomanufacturing labs, with IMDM increasingly used for high-density suspension applications in bioprocessing.
For recombinant growth factors and cytokines used alongside classic media, see Recombinant Proteins. For supplementation reagents (GlutaMAX, NEAA, sodium pyruvate, HEPES), see Cell Culture Supplements &amp; Additives. Browse Mammalian Cell Culture for the broader category.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP to get highly efficient microbial control solutions for your lab.

Antibiotics

MSDS

Streptomycin

Unit Quantity

Concentration

Storage Condition

Shipping condition

Microcentrifuge Accessories

<h2>What Are Microcentrifuge Accessories?</h2>
&nbsp;
Microcentrifuge accessories maintain performance, extend tube-format versatility, and ensure safe operation of benchtop microcentrifuges. These include replacement fixed-angle rotors for 12&ndash;24 &times; 1.5/2.0 mL tube positions, tube adapters for 0.5 mL and 0.2 mL formats, aerosol-tight sealed rotor lids for biocontainment of infectious specimens, balance tubes for partial-load runs, and specialty rotors for PCR strips or 5.0 mL tubes where supported by the centrifuge model. All microcentrifuge accessories are model-specific, as rotor coupling systems and tube bore dimensions differ between manufacturers and even between models within the same brand, making exact model verification essential before ordering.
&nbsp;
<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li>High-quality adapters and rotors for precise and reliable tube fit</li>
<li>Multiple formats including PCR strips, microtubes, plates, and spin columns</li>
<li>Specialized and high-capacity rotors for enhanced compatibility</li>
<li>Swing-out and sealed options for reliable and contamination-free processing</li>
</ul>
&nbsp;
<h2>How to Choose Microcentrifuge Accessories</h2>
&nbsp;
Replacement Rotor Identification
The rotor model number is typically printed on the rotor body or listed in the centrifuge user manual. Cross-reference it with the manufacturer's accessory catalog to confirm that the coupling system matches the centrifuge motor shaft. For standard 12-position rotors, verify compatibility with both 1.5 mL and 2.0 mL microtubes.
Tube Adapter Sizing
For 0.5 mL adapters, ensure the outer diameter closely matches the rotor bore so the tube remains secure during operation. For 0.2 mL adapters, confirm that PCR tubes are positioned correctly to achieve the intended centrifugal force while maintaining stability throughout the run.
Aerosol-Tight Sealed Lids
Choose sealed lids rated for the rotor's maximum operating RCF. O-rings should be inspected regularly for flattening, cracking, or discoloration and replaced immediately if any signs of wear appear. Maintaining replacement O-rings for frequently used lids helps ensure continued safe operation.
Specialty Rotors
Some microcentrifuge models support optional rotors for 5.0 mL tubes, PCR strips, or microplates. These accessories expand workflow flexibility but may operate at lower maximum RCF values than standard 1.5 mL rotors. Always verify the rated speed and force limits before use.
Balance Tubes
Balance tubes help maintain proper rotor balance during partial-load runs. They should closely match the mass and dimensions of the sample tubes being processed. Proper balancing reduces vibration, minimizes bearing wear, and supports long-term centrifuge performance.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Many modern fixed-angle rotors and polypropylene adapters are autoclavable, although specific sterilization requirements vary by manufacturer and material. Always follow the OEM maintenance and decontamination guidelines for each accessory. Rotor service life is generally determined by cumulative operating hours and manufacturer recommendations rather than visual appearance alone.
Sealed rotor lid systems with one-touch release mechanisms have become standard in modern molecular diagnostic laboratories, providing improved safety, easier maintenance, and enhanced biocontainment for regulated workflows.
Stop wasting time searching. The best microcentrifuge accessories are right here at MBP Products. <a href="https://mbpinc.net/contact-us">Connect with our expert team</a> to get your equipment accessories today.

Strip Rotor for MyFuge Mini

C1008-ROT2A by Benchmark Scientific is the PCR strip rotor for the MyFuge Mini centrifuge (C1008 series), accommodating 4 × 8-tube PCR strips (32 × 0.2 ml) at up to 6,000 rpm and 2,000 xg. Ideal as a replacement or dedicated strip-tube rotor for molecular biology benches.

Minicentrifuge

<h2>What Are Minicentrifuges?</h2>
&nbsp;
Minicentrifuges (personal centrifuges or pulse centrifuges) are compact lid-activated benchtop instruments that spin at a fixed speed of approximately 6,000 RPM (2,000 &times;g) for quick spin-down tasks: collecting condensate from microtube caps, concentrating PCR tube contents to the bottom before thermal cycling, briefly clarifying samples after vortexing, and pelleting small-volume precipitates in 0.2 mL, 0.5 mL, 1.5 mL, and 2.0 mL tube formats. Most models include two rotors&mdash;one for 1.5/2.0 mL microtubes with 0.5 mL adapters, and one for 0.2 mL PCR tubes and 8-strip PCR strips&mdash;in a compact benchtop footprint. Lid closure starts the rotor, and lid opening stops it within seconds. The minicentrifuge is a daily-use instrument in molecular biology laboratories performing PCR, RT-PCR, qPCR, cloning, and NGS workflows.
&nbsp;
<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li>BLUline Mini Centrifuges: Compact units for routine microcentrifuge tube applications</li>
<li>BLUline PCR Plate Centrifuge: Designed for rapid PCR plate spin-downs</li>
<li>Globe Scientific Mini Centrifuge: Efficient fixed-speed units for everyday sample processing</li>
<li>myFuge&trade; 12 MiniCentrifuge: Higher sample capacity with a 12-place rotor</li>
<li>myFuge&trade; Digital Mini Centrifuge: Digital controls with combination rotor functionality</li>
<li>StripSpin&trade; Digital Mini Centrifuge: Optimized for PCR strips and plates</li>
<li>Mini Centrifuge: Compact solution for basic laboratory applications</li>
<li>Mini Plate Spinner Centrifuge: Ideal for quick microplate spin-downs</li>
<li>DLAB Mini Centrifuge: Flexible systems with multiple rotors and adapters</li>
<li>Mini Centrifuge Accessories: Rotors and adapters for different tube sizes and laboratory workflows</li>
</ul>
&nbsp;
<h2>How to Choose a Minicentrifuge</h2>
&nbsp;
Fixed Speed vs. Variable Speed
Standard minicentrifuges operate at a fixed speed of approximately 6,000 RPM. Some models offer variable-speed operation, typically between 2,000 and 10,000 RPM, providing additional flexibility for laboratories that occasionally require higher centrifugal force without investing in a full-size microcentrifuge.
Rotor Compatibility and PCR Strip Support
Confirm that both common rotor types are included: a rotor for 1.5/2.0 mL microtubes with 0.5 mL adapters and a rotor for 0.2 mL PCR tubes and PCR strip tubes. Laboratories performing high-throughput PCR or NGS workflows should ensure PCR strips fit securely and can be loaded without additional adapters.
Tool-Free Rotor Exchange
Models with tool-free rotor exchange systems allow users to switch between microtube and PCR rotors quickly without requiring tools. This feature is particularly useful in busy laboratories where rotor changes occur frequently throughout the day.
Portable and Battery Operation
Some minicentrifuges support battery operation in addition to standard AC power. These models are suitable for field sampling, point-of-care testing, mobile diagnostic applications, and environments where power outlets may not be readily available. Verify voltage compatibility and power requirements before purchase.
Noise Level
Most minicentrifuges operate at noise levels of approximately 45 dB or lower, making them suitable for shared laboratory spaces and benchtop use near workstations. Check manufacturer specifications if low-noise operation is a priority.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
At 6,000 RPM with a typical rotor radius of 39&ndash;42 mm, a standard minicentrifuge generates approximately 1,700&ndash;2,000 &times;g. This is sufficient for condensate collection, quick sample spin-downs, and concentrating PCR reaction contents but is not suitable for applications requiring higher centrifugal force such as spin-column nucleic acid purification, bacterial pelleting, or protein precipitation workflows.
Most minicentrifuges weigh less than 1.5 kg and occupy minimal bench space, making them suitable for crowded laboratory environments, PCR workstations, and biosafety cabinet work areas. Modern models emphasize ease of use through lid-activated operation, compact footprints, quiet performance, and rapid rotor exchange systems.
Your search for a premium-quality minicentrifuge ends here. <a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. today to find the right solution for your laboratory.

Product Literature

StripSpin™12D Digital Mini Centrifuge, holds 12 position PCR strips

C2248 by Benchmark Scientific is the StripSpin™12D digital mini centrifuge for PCR strip tubes, holding 4 × 12-position strips (48 × 0.2 ml tubes) at up to 5,500 rpm / 1,690 × g. Digital timer (1 min–99:59) and lid-open interlock are standard. Universal 100–240 V, 2-year warranty.

Speed

Capacity

Timer

Dimensions

Electrical

Warranty

StripSpin™12D Digital Mini Centrifuge, holds 12 position PCR strips, 100-240V (US plug)

StripSpin™12D Digital Mini Centrifuge, holds 12 position PCR strips, 100-240V (European 2 prong plug)

Vortex Mixers Accessories

<h2>What are vortex mixer accessories?</h2>
&nbsp;
Vortex mixer accessories are the interchangeable cup heads, foam inserts, and platform adapters that convert a standard single-tube vortex mixer to batch-process multiple tubes or different vessel formats simultaneously. The standard single-tube cup head can be replaced with a multi-tube foam insert holding 6 to 24 microcentrifuge tubes, a tube strip or microplate adapter, or a platform-style attachment for larger vessel formats. These accessories are typically instrument-specific, using a proprietary attachment mechanism that varies between vortex mixer brands.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Tube racks for 0.5 ml, 1.5/2.0 ml, 12 mm, 13 mm, and 15 ml tubes</li>
<li dir="ltr" role="presentation">High-capacity tube racks for holding up to 96 samples</li>
<li dir="ltr" role="presentation">Horizontal heads for mixing 2 &times; 50 ml tubes and 4 &times; 15 ml tubes</li>
<li dir="ltr" role="presentation">Foam tube holders for 6 mm, 10 mm, 12 mm, and 16 mm tubes</li>
</ul>
&nbsp;
<h2>How to choose vortex mixer accessories</h2>
&nbsp;
Select foam inserts by the tube format they accommodate
Foam inserts for vortex mixers are sized to hold specific tube formats by pressing the closed tube caps into the foam at defined positions: standard microcentrifuge inserts hold 1.5 mL and 2 mL tubes, larger foam blocks accommodate 15 mL and 50 mL conical tubes, and low-profile inserts hold 0.5 mL tubes or PCR strip tubes in defined arrays. Check that the insert format matches the tube types you use most and that the insert is rated for your vortex mixer's speed range.
Confirm accessory compatibility with your vortex mixer model
Vortex mixer accessories attach via model-specific connectors &mdash; threaded onto the drive spindle or clipped onto the instrument head &mdash; and are not universally compatible between brands or models. Always check that the specific accessory is listed as compatible with your vortex mixer model before ordering.
Use a microplate adapter for 96-well plate mixing
Microplate vortex adapters replace the standard cup head with a flat or recessed platform sized to hold a standard 96-well plate, allowing entire plates to be mixed in continuous mode for ELISA plate washing steps, microplate cell resuspension, and plate-format biochemical assays. The adapter should be rated for the speed at which it will be used to prevent plate sliding.
Check that foam insert speed ratings are compatible with your operating speed
Foam inserts are rated for a maximum operating speed, and using a foam insert at speeds above its rating risks tubes not being securely retained by the foam compression at high rpm. Confirm that the insert's rated speed covers your intended operating speed before batch-processing valuable samples.
Consider a universal platform adapter for flexible use
Some vortex mixer manufacturers offer a universal platform adapter that replaces the cup head with a flat non-slip platform, accepting a wide range of vessel formats using a non-slip mat for retention. While less format-specific than a dedicated foam insert, a universal platform provides flexibility for less common vessel formats.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Foam inserts work by compressing foam around tube caps to provide frictional retention during high-speed oscillation; foam material and cell size determine tube sizes accommodated and maximum safe speed. As of 2026, inserts accommodating PCR strip tubes alongside microcentrifuge tubes in a single insert have become available, reducing the number of separate formats needed.
<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to request a quote and find the right accessories for your vortex mixer.

Vortex Mixer Accessories

Suction Foot, Rubber, with Screw, for use with GVM Series Vortex Mixers, 4 Each

GVM-AS-FOOT by Globe Scientific is a pack of 4 replacement rubber suction feet with mounting screws for GVM Series vortex mixers (GVM-AS, GVM-AS-EU, GVM-AS-UK). Restores factory stability and vibration damping when the original feet wear, crack, or lose suction effectiveness.

PCR Workstation

<h2>What Are PCR Workstations?</h2>
&nbsp;
PCR workstations are compact, three-sided bench-top enclosures designed to protect polymerase chain reaction (PCR) samples and reagents from airborne particles and surface contamination that cause false amplification results. Two technologies are used: UV-only models house a 254 nm UV-C lamp that decontaminates surfaces and tools between reactions; HEPA+UV combination models add vertical laminar airflow through a HEPA filter rated 99.97% at 0.3 &micro;m, creating an ISO 5 (Class 100) environment during active sample handling. PCR is exquisitely sensitive to DNA carryover&mdash;a single amplicon molecule from a previous reaction can generate a false positive&mdash;making dedicated pre-amplification workspace a standard precaution in molecular diagnostics, forensics, and clinical laboratories.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
SureAir PCR workstation:&nbsp;for enclosed, contamination-controlled workflows
</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Replacement prefilters: for maintaining clean airflow
</li>
</ul>
&nbsp;
<a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/pcr-workstation/pcr-workstation-accessories">PCR Workstation Accessories:</a>
<ul>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Replacement HEPA filters: for effective contamination control
</li>
</ul>
&nbsp;
<h2>How to Choose a PCR Workstation</h2>
&nbsp;
UV-Only vs. HEPA+UV Combination
UV-only workstations (typically lower cost) decontaminate surfaces and instruments between runs but provide no active air protection during pipetting. HEPA+UV workstations maintain ISO 5 clean air throughout the work session, protecting open tubes and reaction mixes from settling particles. For shared labs, high-throughput clinical diagnostics, or any setting where reagents are left open during preparation, the HEPA+UV model offers measurably better protection.
Working Width (24 / 32 / 36 inch)
A 24-inch unit suits a single operator and a compact reagent setup. A 32- to 36-inch model accommodates two simultaneous reaction setups or a thermal cycler inside the work zone. Confirm the internal working depth (typically 400&ndash;500 mm) against the equipment being placed inside before ordering.
Filter Configuration
Combination HEPA workstations may include a three-stage filter module: carbon pre-filter (captures gases and reduces ozone), HEPA filter (removes particles &ge;0.3 &micro;m at 99.97% efficiency), and a recirculating UV stage. Three-stage systems extend HEPA filter life and reduce odor in labs handling sensitive reagent mixes.
Accessories and Consumable Cycle
Factor in the replacement UV lamp life (typically 8,000&ndash;9,000 hours) and HEPA filter replacement interval (12&ndash;24 months) when calculating total cost of ownership. Some models include a filter-status indicator or UVTect-style airflow monitor that alerts the operator when the HEPA or lamp requires replacement.
Biosafety Level Compatibility
PCR workstations protect samples only&mdash;they provide no personnel or environmental protection. For any work with infectious agents, a Class II biosafety cabinet certified to NSF/ANSI 49 is required instead of or in addition to a PCR workstation.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
ISO 5 (equivalent to US Federal Standard 209E Class 100) permits no more than 3,520 particles &ge;0.3 &micro;m per cubic meter of air&mdash;the standard targeted by HEPA+UV PCR workstations operating in normal laboratory conditions. UV-C lamp output at 254 nm degrades over time; replace lamps per the manufacturer's rated life (approximately 8,000 hours for standard UV lamps, longer for long-life UV options) to maintain documented decontamination efficacy. As of 2026, some PCR workstation models include digital 0&ndash;59 minute UV timers and lab event timers, and automatic UV shutoff when the front sash is opened, protecting operators from incidental UV-C exposure during sample access.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. (MBP) today to find the right PCR workstation for your lab.

SureAir PCR Workstation

B5200 by Benchmark Scientific is the SureAir™ PCR Workstation — a compact self-contained laminar-flow enclosure delivering ISO 5 clean conditions via a 99.97% HEPA filter (≥0.3 µm) and an 8W UVC germicidal lamp with 15-minute auto-shutoff. Inner work area: 50 × 39 × 40 cm; outer footprint: 55 × 40 × 59.2 cm. Runs on 115V or 230V, 24W, 44 lbs. No ductwork required. 2-year warranty.

UV Light

UV Auto-Shutoff Timer

Materials

Filter

Air Velocity

Outer Dimensions (W x D x H)

Inner Dimensions (W x D x H)

Hand Access Dimensions (W x H)

Power Consumption

Manufectuer

SureAir PCR Workstation, 115V

SureAir PCR Workstation, 230V

Dual Convection Incubator

Extra Shelf, stainless steel, for H2505-40

Extra Shelf, stainless steel, for H2505-70

Extra Shelf, stainless steel, for H2505-130

SureTemp™Dual Convection Incubators

H2505-40 by Benchmark Scientific is the SureTemp™ Dual Convection Incubator — a 40-liter stainless steel 316 chamber incubator with selectable mechanical and gravity convection, ±0.25°C uniformity, and the SureCheck™ data logging system (CSV export every 60 seconds). Temperature range is 5°C above ambient to 75°C; the 120V model ships as H2505-40, 230V as H2505-40E.

Temperature Accuracy

Temperature Uniformity

Temperature Increments

Temperature Stability

Chamber

Interior Dimensions (H2505-40)

Exterior Dimensions (H2505-40)

Weight (H2505-40)

Interior Dimensions (H2505-70)

Exterior Dimensions (H2505-70)

Weight (H2505-70)

Interior Dimensions (H2505-130)

Exterior Dimensions (H2505-130)

Weight (H2505-130)

SureTemp ™ Dual Convection Incubator, 40 Litre with SureTemp Data Logging Software, 115V

SureTemp ™ Dual Convection Incubator, 40 Litre with SureTemp Data Logging Software, 230V

SureTemp ™ Dual Convection Incubator, 70 Litre with SureTemp Data Logging Software, 115V

SureTemp ™ Dual Convection Incubator, 70 Litre with SureTemp Data Logging Software, 230V

SureTemp ™ Dual Convection Incubator, 130 Litre with SureTemp Data Logging Software, 115V

SureTemp ™ Dual Convection Incubator, 130 Litre with SureTemp Data Logging Software, 230V

<h2 data-section-id="1ebaq4d" data-start="165" data-end="199">What are transfection reagents?</h2>
&nbsp;
Transfection reagents enable the delivery of exogenous nucleic acids &mdash; plasmid DNA, mRNA, siRNA/shRNA, and CRISPR/Cas9 ribonucleoprotein or plasmid components &mdash; into cultured cells for applications spanning gene expression studies, gene silencing, CRISPR-based gene editing, recombinant protein production, and stable cell line development. Delivery methods fall into three categories: chemical methods (cationic lipid/lipofection reagents, polymeric agents like polyethyleneimine/PEI, and calcium phosphate co-precipitation), physical methods (electroporation and biolistic particle delivery), and viral methods (transduction via lentiviral, adenoviral, or AAV vectors, the only category where "transduction" is the technically correct term). Each category includes multiple specific reagents with different optimal nucleic acid types, cell type compatibility, and transient-versus-stable expression outcomes.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" role="presentation">DNAfectin&trade; Plus Transfection Reagent: innovative lipid-based reagent for rapid transfection in common adherent cell lines; fewer handling steps, and works in complete growth media</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" role="presentation">Susfectin&trade; Transfection Reagent: polymer-based reagents formulated for suspension cultures, providing highly efficient nucleic acid delivery&nbsp;</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" role="presentation">Transfection Reagent: designed for faster and more reliable concentration of lentiviral particles from cell culture supernatant </li>
</ul>
&nbsp;
<h2 data-section-id="f5ej1k" data-start="1475" data-end="1513">How to choose transfection reagents</h2>
&nbsp;
Chemical: lipofection
Cationic lipid (lipofection) reagents form positively charged complexes with nucleic acids that interact with the negatively charged cell membrane, enabling entry primarily via endocytosis. Examples include DOTMA-based formulations and product lines such as Lipofectamine and X-tremeGENE, suitable for a diverse range of cell lines with DNA, small RNA, and CRISPR/Cas9 components. Lipid transfections adapt well to cost-effective and high-throughput formats but are generally cell-type-specific in optimal performance &mdash; a reagent validated on one line may need re-optimization for another.
Chemical: PEI and calcium phosphate
Polyethyleneimine (PEI) is a polymeric transfection agent that, like cationic lipids, forms complexes with DNA for cell membrane interaction &mdash; commonly used for high-yield transient transfection in suspension cultures for recombinant protein production. Calcium phosphate co-precipitation is a long-established method (Graham &amp; van der Eb, 1973) that remains highly efficient for a wide range of cell types and molecules, suitable for both transient and stable transfection, though the process can be harsher on sensitive cell lines, leading to increased cell death in some cases.
Physical: electroporation
Electroporation exposes cells to electrical pulses that create temporary membrane pores, allowing direct entry of DNA, RNA, and other molecules &mdash; an easy, non-chemical technique yielding high efficiency across diverse cell types. Optimization centers on three parameters: pulse voltage, pulse width, and pulse number, with the goal of maintaining 40-80% cell survival. Electroporation requires roughly five-fold more cells and DNA than calcium phosphate methods, typically 1-5 &micro;g DNA per 10⁷ cells, with good linear correlation between DNA amount and uptake.
Viral transduction enhancers
For viral transduction (lentiviral, adenoviral, AAV), polybrene and DEAE-dextran are polycations that minimize electrostatic repulsion between negatively charged viral particles and cell membranes, enhancing transduction efficiency. FBS has been shown to yield better transduction efficiency than bovine calf serum in some transduction protocols &mdash; a media-composition detail relevant to viral workflows specifically.
Selecting reagent for nucleic acid type
Some reagents are specifically optimized for plasmid DNA (Effectene, TransIT-X2), while others (Lipofectamine RNAiMAX) are designed for small oligonucleotides like siRNA. Co-transfection of multiple nucleic acid types may require protocols and ratios validated specifically for that combination rather than direct extrapolation from single-nucleic-acid optimization.
Pre-transfection cell preparation
Regardless of method, cells should be at least 90% viable and have recovered at least 24 hours post-subculture before transfection. Cell density must avoid both contact inhibition (too high, reducing uptake) and insufficient cell-cell contact (too low, reducing growth) &mdash; both extremes reduce efficiency.
&nbsp;
<h2 data-section-id="1fljvas" data-start="5389" data-end="5414">Specifications context</h2>
&nbsp;
Electroporation optimization targets 40-80% post-pulse cell survival across a parameter space of pulse voltage, width, and number, with typical DNA loading of 1-5 &micro;g per 10⁷ cells showing linear uptake correlation within that range. Calcium phosphate transfection (Graham &amp; van der Eb, 1973) remains a foundational method still in active use for both transient and stable transfection across many cell types. As of 2026, lipid-based reagents remain the default first choice for adherent cell line transfection due to ease of use, with electroporation and viral transduction reserved for hard-to-transfect primary/stem cells and applications requiring stable genomic integration respectively.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP and find premium transfection reagents for your lab today.

Transfection Reagents

G4000-MSDS

Flyer

Susfectin™ Transfection Reagent

Susfectin™ Transfection Reagent (G4000) by ABM is a 1.0 mL biodegradable polymer-based reagent for plasmid DNA transfection in suspension cell cultures, delivering 2× efficiency vs PEI in CHO and HEK293 suspension cells. Store at 4°C; do not freeze.

Application

Sterility

Shipping Condition

Syringe Filters

<h2 dir="ltr">What are Syringe Filters?</h2>
 Syringe filters are self-contained, disposable filtration units comprising a polypropylene (PP) housing enclosing a flat-sheet membrane, with a female Luer lock inlet and a male Luer lock outlet. They are attached to a standard syringe, the sample is drawn up, and pushed through the membrane by manual plunger pressure. Standard disc diameters are 4 mm, 13 mm, 25 mm, and 33 mm; membrane pore sizes are 0.22 &micro;m (sterilizing grade) and 0.45 &micro;m (clarification grade), with 0.10 &micro;m available for mycoplasma removal. Effective filtration areas: 13 mm filter &asymp; 0.92 cm&sup2;; 25 mm filter &asymp; 2.98 cm&sup2;. Globe Scientific syringe filters, a confirmed MBP brand, are available in PP housing with PES, PVDF, CA (cellulose acetate), MCE, and nylon membranes in 13 mm and 30 mm diameters, sterile (individually wrapped) and non-sterile (bulk), 0.22 &micro;m and 0.45 &micro;m. Choose syringe filters for volumes of 1&ndash;150 mL; choose vacuum bottle-top filters for volumes above 150 mL.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
PES Syringe Filters for high-flow aqueous filtration
</li>
<li dir="ltr" aria-level="1">
PVDF Syringe Filters for low protein binding
</li>
<li dir="ltr" aria-level="1">
Nylon Syringe Filters for organic solvent compatibility
</li>
<li dir="ltr" aria-level="1">
0.22&mu;m Syringe Filters for absolute sterilization
</li>
<li dir="ltr" aria-level="1">
0.45&mu;m Syringe Filters for clarification and pre-filtration
</li>
<li dir="ltr" aria-level="1">
PTFE Syringe Filters for aggressive chemical resistance
</li>
<li dir="ltr" aria-level="1">
Hydrophilic Syringe Filters for versatile liquid handling
</li>
<li dir="ltr" aria-level="1">
Sterile Individually Blistered Filters for aseptic security
</li>
</ul>
<h2 dir="ltr"> How to Choose Syringe Filters</h2>
 Diameter Selection by Sample Volume 13 mm syringe filters (effective area 0.92 cm&sup2;) handle up to 10&ndash;15 mL per filter before flow resistance becomes impractical. Use with 1&ndash;10 mL syringes. 25 mm syringe filters (2.98 cm&sup2;) handle 10&ndash;100 mL per filter. Use with 10&ndash;60 mL syringes. 33 mm syringe filters (approximately 5&ndash;6 cm&sup2;) handle up to 150 mL and are the largest practical syringe filter format. For volumes above 150 mL, switch to a vacuum bottle-top filter system. Matching filter diameter to sample volume prevents premature membrane clogging and excessive plunger force. Membrane Chemistry for Syringe Filters PES (Polyethersulfone): Low protein binding, high flow rate, aqueous compatibility. Standard choice for biological sample sterilization, cell culture supplement filtration (antibiotics, glutamine, growth factors), and conditioned medium aliquots. Not suitable for strong organic solvents or concentrated acids. PVDF (Polyvinylidene fluoride, hydrophilic): Low protein binding &mdash; among the lowest of all syringe filter membranes, with protein recovery rates &gt;90&ndash;99.9% documented for antibody and enzyme solutions. Compatible with mild organic solvents, weak acids, and most aqueous solutions. The first choice when filtering precious protein solutions (antibodies, enzymes, viral preparations) is where maximum protein recovery is critical. Not suitable for pure DMSO (use PTFE). Nylon (Polyamide): Low extractables, broad chemical compatibility including mixed aqueous-organic solvents, methanol, acetonitrile, and DMSO-water mixtures. Standard for HPLC mobile phase filtration and dissolution testing. Higher protein binding than PES or PVDF &mdash; avoid for biological samples where protein loss is a concern. MCE (Mixed Cellulose Ester): Low cost, aqueous applications only; moderate protein binding. Suitable for general buffer preparation, water sterilization, and non-critical sample preparation. Not compatible with organic solvents or strong acids. CA (Cellulose Acetate): Low protein binding, similar to PES. Suited for biological sample filtration and sterility testing applications. Contains surfactant treatment for wettability &mdash; check for extractable compatibility in downstream assays. PTFE (Polytetrafluoroethylene, hydrophilic): Maximum chemical resistance &mdash; compatible with pure DMSO, concentrated acids and bases, and aggressive organic solvents. The only membrane choice for 100% organic solvent filtration. For aqueous solutions, use hydrophilic PTFE (pre-wetted with methanol or IPA before aqueous filtration unless the hydrophilic version is selected). Sterile vs. Non-Sterile Syringe Filters Sterile syringe filters (individually gamma-irradiated or E-beam sterilized, individually packaged) are required for cell culture media sterilization, supplement preparation, and sample preparation for biological culture. Non-sterile bulk-packed filters (Globe Scientific non-sterile formats) are appropriate for HPLC mobile phase preparation, analytical sample clarification, and non-biological applications where sterility of the filtrate is not required. 
<h2 dir="ltr">Specifications Context</h2>
 Globe Scientific syringe filters are manufactured in a PP housing with a luer-lock inlet and outlet conforming to ISO 594 / ISO 80369 for Luer fittings. PES and PVDF sterile filters are individually gamma irradiated; each is separately wrapped and printed with an expiry date per Globe Scientific lot protocol. Effective filtration areas: 13 mm filter &asymp; 0.92 cm&sup2;; 30 mm filter &asymp; 4.91 cm&sup2; (Globe Scientific welded format). Operating temperature: up to 60 &deg;C. Do not exceed the maximum operating pressure of 6 bar (87 psi). Globe Scientific is ISO 9001:2015 certified. Globe Scientific syringe filters in PES, PVDF, CA, MCE, and nylon membranes at 13 mm and 30 mm diameters are stocked by MBP. 
Request a quote today for premium syringe filters from <a href="https://mbpinc.net/contact-us">the MBP team</a> to&nbsp;find the right filtration solution for your laboratory applications.

SF-CAGF-2230-S-Syringe Filters Brochure

Sterile CA/GF Syringe Filters Specifications

Syringe Filter, CA/GF Membrane, 0.22μm Porosity, 30mm Diameter, PP Housing, STERILE, Individually Wrapped, 1000/Cs

SF-CAGF-2230-S is a sterile 0.22&micro;m cellulose acetate syringe filter with a glass fiber prefilter in a 30&nbsp;mm polypropylene housing, individually wrapped, available in 50/Box and 1000/Case packs. The dual-layer CA/GF design extends filter life with high-particulate samples while achieving bacteria-removing filtration in a single pass.

SF-PVDF-H-4530-Syringe Filters Brochure

Non-Sterile PVDF Syringe Filters Specifications

Syringe Filter, PVDF Hydrophobic Membrane, 0.45μm Porosity, 30mm Diameter, PP Housing, Non-sterile, Bulk Packed, 1000/Cs

SF-PVDF-H-4530 by Globe Scientific is a non-sterile hydrophobic PVDF syringe filter, 0.45 µm pore size, 30 mm diameter, PP housing with integral pre-filter, 4.9 cm² filtration area, &lt;120 µL hold-up volume, rated to 87 psi and pH 1–12. Bulk packed 1,000 per case for high-throughput HPLC and organic solvent filtration. Order from MBP USA/Canada.

United States

Texas

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