Brands

Vacuum Pump Accessories

<h2>What are vacuum pump accessories?</h2>
&nbsp;
Vacuum pump accessories include protective, connective, monitoring, and maintenance components that support vacuum system performance and extend pump lifetime across all pump types.
&nbsp;
<h2 data-path-to-node="0">What You Will Find:</h2>
&nbsp;
<ul data-path-to-node="1">
<li>
Specialized dry scroll pump service kits containing high-grade replacement tip seals to restore optimal compression and peak vacuum performance.
</li>
<li>
Precision-engineered tip seal replacement kits designed to maintain reliable, oil-free seals and prevent performance degradation in compact dry scroll systems.
</li>
</ul>
&nbsp;
<h2>How to choose vacuum pump accessories</h2>
&nbsp;
Use a cold trap for solvent protection
Cold traps condense solvent and water vapors before they reach the pump, reducing contamination in oil-sealed systems and protecting diaphragms and seals in oil-free pumps.
Use manufacturer-specific maintenance kits
Each pump type requires specific replacement parts: Agilent IDP tip seal kits, Vacuubrand and Welch diaphragm kits, and Edwards or ULVAC vane and seal kits. Using compatible OEM parts ensures correct performance and longevity.
Choose PTFE tubing for chemical resistance
PTFE tubing is recommended for organic solvents and corrosive chemicals. Rubber or PVC tubing is suitable only for aqueous or low-reactivity applications.
Select correct pump oil for oil-sealed systems
Oil-sealed pumps require manufacturer-specified oil grades to maintain proper viscosity, sealing, and vacuum performance.
Use vacuum gauges for system monitoring
Vacuum gauges help verify system pressure, detect leaks, and confirm pump performance during operation.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Vacuum pump components such as diaphragms, seals, and tip seals are wear parts that must be replaced periodically using manufacturer-approved kits to ensure correct fit, material compatibility, and performance.
As of 2026, field-serviceable maintenance kits for major vacuum pump brands allow routine servicing in academic and industrial laboratories without factory intervention.
<a href="https://mbpinc.net/contact-us">Contact team at MBP</a> today for quick quote.

Vaccum Pump Accessories

Tip Seal Kit for Agilent IDP3

The IDP-TSK by Agilent Technologies is a tip seal replacement kit for Agilent IDP-3, IDP-7, IDP-10, and IDP-15 dry scroll vacuum pumps. Tip seal replacement at the 2–3 year interval restores pump base pressure and prevents unplanned downtime. Available from MBP Inc. for US and Canadian research and industrial maintenance accounts.

Manufacture

Tissue Cassettes

<h2 data-section-id="12g32xm" data-start="194" data-end="223">What Are Tissue Cassettes?</h2>
&nbsp;
Tissue cassettes are rectangular acetal polymer (POM) containers used in surgical pathology and research histology to carry gross tissue specimens&mdash;including resections, excisions, and large biopsy cores&mdash;from the grossing table through the complete paraffin processing workflow. Wide-slot perforations (approximately 1.5 mm) allow rapid reagent penetration and drainage during automated tissue processor cycles while preventing specimen loss for samples measuring 3 mm or larger in their smallest dimension. Following processing, the cassette base fits directly into a metal or disposable plastic base mold for paraffin embedding, and the completed paraffin block is archived with the cassette serving as the primary specimen identifier.
Standard tissue cassettes handle the majority of surgical pathology specimens; use biopsy cassettes for specimens smaller than approximately 3 mm.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li>35&deg; Precision Writing Surface: Ergonomic angle with dual labeling panels for clear marking and smooth printer compatibility.</li>
<li dir="ltr" role="presentation">Snap-Secure Integrated Lids: One-piece lid design ensures a tight, permanent seal to prevent sample loss.</li>
<li dir="ltr" role="presentation">Optimized Fluid Exchange: High-flow pores allow consistent fixation and efficient paraffin infiltration.</li>
<li>Lab-Proven Durability: Solvent-resistant construction prevents warping in xylene or alcohols.</li>
</ul>
&nbsp;
<h2 data-section-id="1jtb3u7" data-start="1122" data-end="1155">How to Choose Tissue Cassettes</h2>
&nbsp;
Writing Area Angle: 30&deg; vs. 35&deg;
Globe Scientific tissue cassettes are available with 30&deg; and 35&deg; angled writing surfaces to match Leica and Sakura cassette printer platen angles. Selecting the incorrect angle can create printing alignment issues and slow workflow efficiency. Laboratories should verify printer specifications before ordering case quantities.
Integral Lid vs. Separate Lid
Integral hinged-lid tissue cassettes snap closed without requiring a separate steel lid, reducing handling steps in high-volume grossing environments. Separate-lid cassettes are compatible with standard metal base molds and are often preferred in embedding stations where lids must be removed independently. Both formats are compatible with standard tissue processor baskets.
Color Coding
Globe Scientific offers tissue cassettes in more than ten standard colors. Many laboratories assign colors by specimen type or department to improve organization and reduce the risk of specimen identification errors during high-volume processing.
Pack Format: Standard Box vs. QuickLoad Sleeves
Standard 500-count dispenser boxes meet the needs of most laboratories. QuickLoad&reg; and E-Z Load&reg; sleeve formats provide pre-counted cassette stacks for rapid one-handed dispensing and are particularly useful in grossing stations processing more than 300 specimens per day.
Compatibility with Tissue Processors
The standard 40 &times; 28 &times; 6 mm cassette footprint is compatible with Leica ASP, Sakura VIP, Thermo Shandon Excelsior, and most other automated tissue processors without modification. Compatibility should be verified when ordering Mega or deep-body cassette variants.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4610" data-end="4635">Specifications Context</h2>
&nbsp;
Acetal polymer cassettes are dimensionally stable from 4&deg;C refrigerated storage through approximately 65&deg;C during paraffin infiltration. Globe Scientific maintains ISO 9001:2015 quality management certification, and lot-specific conformance documentation is available upon request. The standard 40 &times; 28 &times; 6 mm footprint is widely accepted by major tissue processor manufacturers and does not require instrument-specific modification. Tissue cassettes are research-use consumables and are not classified as medical devices or in vitro diagnostic (IVD) products.
Stop worrying about sample loss and switch to the MBP standard. Browse our inventory and&nbsp;<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">hit up the team</a> for a quote today.

Tissue Cassettes with Attached Lids, 30° Writing Area

Globe Scientific Tissue Embedding Cassettes 30° Writing Area (SKU 1090A, Aqua) — acetal polymer, attached snap-lock lid, extra-large 30° hand-labeling surface. Not printer-compatible. 1,000 cassettes/case. Also available in Blue (1090B), Green (1090G), Pink (1090P), White (1090W).

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, AQUA, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, BLUE, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, GREEN, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, PINK, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, WHITE, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 30° Writing Area, YELLOW, 500/Dispenser Box, 2 Boxes/Unit

Tissue Cassettes with Attached Lids, 35° Writing Area

1094A tissue cassettes feature a 35° angled writing surface, two labeling side panels, a large thumb tab, and an attached lid that locks securely into the base throughout tissue processing. Made from acetal polymer (POM), they resist xylene, alcohols, formalin, and decalcifying solutions. Printer-compatible (most standard cassette printers). Available in aqua, blue, pink, white, and yellow. 1,000/case (500/dispenser box × 2). Order from MBP worldwide.

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, AQUA, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, BLUE, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, ORANGE, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, PINK, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, WHITE, 500/Dispenser Box, 2 Boxes/Unit

Cassette, Tissue Embedding with Attached Lid, 35° Writing Area, YELLOW, 500/Dispenser Box, 2 Boxes/Unit

<h2>What Are Spin-Column Genomic DNA Kits for Blood and Tissue?</h2>
&nbsp;
A spin-column genomic DNA kit for blood and tissue combines a proteinase K-based direct lysis step with a silica-membrane spin column to purify genomic, mitochondrial, or viral DNA from animal blood, tissue, and cultured cells without phenol, chloroform, or alcohol precipitation. Related entities include direct-lysis protocols, dried blood spot supplementary workflows, TissueLyser mechanical disruption, and downstream PCR, genotyping, and sequencing library preparation.&nbsp;Use spin-column formats for individual or small-batch genomic DNA extraction from blood, cells, or tissue using a standard microcentrifuge.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li>Efficient isolation of high-quality genomic DNA from blood, saliva, tissues, and other biological samples using rapid spin-column purification.&nbsp;</li>
<li>Maximize DNA recovery with optimized lysis and binding chemistry while minimizing inhibitor, protein, and contaminant interference</li>
<li>Midiprep, microprep, and miniprep formats available to support varied sample input volumes&nbsp;</li>
<li>User-friendly workflows and streamlined protocols with fast processing times for efficient genomic DNA extraction&nbsp;</li>
</ul>
&nbsp;
<h2>How to Choose a Spin-Column Blood/Tissue Genomic DNA Kit</h2>
&nbsp;
Lysis Approach by Sample Type
Whole blood, buffy coat, buccal cells, and cultured cells generally undergo direct proteinase K lysis without mechanical disruption. In contrast, fibrous or fatty tissues such as muscle, liver, or skin often require mechanical homogenization prior to the lysis step to ensure complete cell disruption.
Anticoagulant and Blood Sample Handling
These kits typically support fresh or frozen blood collected in EDTA, citrate, or heparin. Dried blood spots generally require supplementary protocols and additional equipment beyond standard spin-column workflows.
Column Elution Chemistry
Elution is typically performed using Tris-based buffer or nuclease-free water, with volumes ranging from approximately 50&ndash;200 &micro;L depending on kit design and sample type. Water elution may be preferred for EDTA-sensitive downstream applications.
Scaling Beyond a Single Column
For higher throughput workflows, 96-well plate formats using the same silica-membrane chemistry enable simultaneous processing of multiple samples per centrifuge run. Spin-column formats remain best suited for method development and low-to-moderate sample volumes.
&nbsp;
<h2>Specifications Context:</h2>
&nbsp;
The most important parameters for spin-column blood/tissue genomic DNA kits are sample-type compatibility and elution buffer composition, as these determine whether additional pretreatment is required and whether the eluate is directly compatible with downstream workflows. A typical 200 &micro;L whole blood input yields low-microgram quantities of genomic DNA in an elution volume of approximately 50&ndash;200 &micro;L.
&nbsp;
Use MBP's <a href="mbpinc.net/quickorder">Quick Order tool</a> for bulk pricing or <a href="mbpinc.net/contact-us">contact the specialist team</a> to confirm pretreatment requirements for challenging tissue types.

Spin-column

Tissue DNA Kit

Tissue DNA Kit (GD2211-00) by MBP purifies genomic DNA from animal tissues, cells, and FFPE samples. Available in 4 (GD2211-00), 50 (GD2211-01), and 250 (GD2211-02) prep sizes.

Manufacturer

Tissue DNA Kit , 4 Preps

Tissue DNA Kit , 50 Preps

Tissue DNA Kit , 250 Preps

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

Tubes, Caps & Racks Catalog

TDS-6148

Tite-Rite Container, 90mL (3oz), with Attached White Screw Cap and ID Label, Graduated, STERILE, CS/400

6220 by Globe Scientific is a 90 mL (3 oz) sterile polypropylene Tite-Rite container with an attached white PE screwcap, patient ID label with tab seal, molded graduations, and airtight compression seal for hospital pneumatic tube systems. 400/case. Order from MBP, a registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

Flyer

Tite-Rite Containers

6518 by Globe Scientific is a 20 mL Tite-Rite polypropylene specimen container with a PE screwcap, compression inner-liner seal, molded graduations, and 95 kPa compliance for hospital pneumatic tube systems. 1,000/case. Available in 20–120 mL across the 6518–6527 family. Order from MBP, a registered vendor to Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.

Container: Tite-Rite, 20mL (0.67oz), PP, 35mm Opening, Graduated, with Separate White Screwcap, CS/1000

Pre-Filled Container with Click Close Lid: Tite-Rite, 20mL (0.67oz), PP, Filled with 10mL of 10% Neutral Buffered Formalin, Attached Hazard Label, 24/Box, 4 Boxes/Unit, CS/96

Container: Tite-Rite, 40mL (1.34oz), PP, 48mm Opening, Graduated, with Separate White Screwcap, CS/600

Pre-Filled Container with Click Close Lid: Tite-Rite, 40mL (1.34oz), PP, Filled with 20mL of 10% Neutral Buffered Formalin, Attached Hazard Label, 24/Box, 4 Boxes/Unit, CS/96

Container: Tite-Rite, 60mL (2oz), PP, 48mm Opening, Graduated, with Separate White Screwcap, CS/500

Pre-Filled Container with Click Close Lid: Tite-Rite, 60mL (2oz), PP, Filled with 30mL of 10% Neutral Buffered Formalin, Attached Hazard Label, 24/Box, 4 Boxes/Unit, CS/96

Container: Tite-Rite, 90mL (3oz), PP, 48mm Opening, Graduated, with Separate White Screwcap, CS/400

Container: Tite-Rite, Wide Mouth, 90mL (3oz), PP, 53mm Opening, Graduated, with Separate White Screwcap, CS/300

Pre-Filled Container with Click Close Lid: Tite-Rite, 90mL (3oz), Wide Mouth, PP, Filled with 45mL of 10% Neutral Buffered Formalin, Attached Hazard Label, 24/Box, 4 Boxes/Unit, CS/96

Container: Tite-Rite, 120mL (4oz), PP, 53mm Opening, Graduated, with Separate White Screwcap, CS/300

Pre-Filled Container with Click Close Lid: Tite-Rite, 120mL (4oz), PP, Filled with 60mL of 10% Neutral Buffered Formalin, Attached Hazard Label, 24/Box, 4 Boxes/Unit, CS/96

6526-Group-TDS-6526

Tite-Rite Leak Resistant Containers with Patient ID Label

Globe Scientific 6526 Tite-Rite: 90 mL sterile PP specimen container with attached white PE screw cap, expanded inner liner for air-tight leak-resistant seal, molded graduations, and patient ID label with tab seal. 300 per case. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

Container: Tite-Rite, 120mL (4oz), PP, STERILE, Attached Orange Screw Cap, ID Label, Graduated, Individually Wrapped, CS/100

Container: Tite-Rite, Wide Mouth, 90mL (3oz), PP, STERILE, Attached White Screw Cap, ID Label with Tab Seal, Graduated, CS/300

Container: Tite-Rite, 120mL (4oz), PP, STERILE, Attached Natural Screw Cap, ID Label with Tab Seal, Graduated, CS/300

Container: Tite-Rite, 120mL (4oz), PP, STERILE, Attached Natural Screw Cap, ID Label with Tab Seal and Temperature Strip, Graduated, CS/300

Container: Tite-Rite, 60mL (2oz), PP, STERILE, Attached White Screw Cap, ID Label with Tab Seal, Graduated, CS/500

Container: Tite-Rite, 60mL (2oz), PP, STERILE, Attached White Screw Cap, ID Label with Tab Seal and Temperature strip, Graduated, CS/500

<h2>What Are Restriction Enzymes?</h2>
&nbsp;
Restriction enzymes are endonucleases originally isolated from bacteria, where they function as a primitive immune defense against foreign DNA (such as bacteriophages) by cleaving at specific recognition sequences. Over 3,500 Type II restriction enzymes have been characterized, recognizing palindromic or asymmetric sequences of 4-8 base pairs and generating either 5' overhangs (sticky ends), 3' overhangs, or blunt ends. The systematic naming convention reflects enzyme origin: EcoRI comes from Escherichia coli strain R; HindIII from Haemophilus influenzae strain Rd. Restriction enzymes are grouped into Types I, II, III, and IV based on cofactor requirements, cleavage site position, and structural complexity; Type II enzymes are almost exclusively used in research applications due to their defined cleavage positions. Choose restriction enzymes based on the recognition sequence present in your target, the end type required (sticky vs. blunt), and whether Golden Gate Assembly or conventional cloning is planned.
<h2 dir="ltr">&nbsp;</h2>
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Enterokinase Cleavage Enzyme: A specific mammalian-produced protease for precise affinity tag removal from recombinant fusion proteins.
</li>
<li dir="ltr" aria-level="1">
DpnI: A specialized enzyme targeting methylated GATC sequences, ideal for template digestion in site-directed mutagenesis.
</li>
<li dir="ltr" aria-level="1">
Tn5 Transposase for Tagmentation: A high-efficiency enzyme for simultaneous DNA fragmentation and adapter ligation in NGS library construction.
</li>
</ul>
&nbsp;
<h2>How to Choose Restriction Enzymes</h2>
&nbsp;
Type IIP vs. Type IIS
Type IIP enzymes (EcoRI, HindIII, BamHI, NcoI, NheI) recognize palindromic sequences and cut within or immediately adjacent to the site, making them the standard choice for conventional restriction cloning using compatible cohesive ends. Type IIS enzymes (BsaI, BsmBI/Esp3I, SapI) cut at a fixed distance outside their recognition sequence, generating custom 4-nt overhangs that can be designed to create any desired sequence at the assembly junction -- the basis of Golden Gate Assembly, which allows ordered multi-fragment cloning in a single tube.
Recognition sequence frequency
4-cutter enzymes (MboI, AluI, TaqI) cut on average every 256 bp and are used for genome-wide restriction mapping or chromatin fragmentation. 6-cutters (EcoRI, HindIII) cut every ~4,000 bp on average and are standard for plasmid cloning. 8-cutters (NotI, PacI, AscI) cut rarely (every ~65,000 bp) and are used for mapping of large genomic regions or release of large inserts from BAC or YAC vectors.
Star activity sensitivity
Restriction enzymes can exhibit relaxed sequence specificity (star activity) at suboptimal conditions: excess glycerol (&gt;5%), non-standard buffers, extended digestion times, or non-standard divalent cations. High-fidelity (HF) enzyme variants reduce star activity by more than 1000-fold and are recommended for long digestion times or when high specificity is critical for downstream cloning.
Isoschizomers and compatible ends
Isoschizomers recognize the same sequence as a reference enzyme; neoschizomers recognize the same sequence but cut at a different position. BamHI (GGATCC, 5' overhang G) is compatible with BglII (AGATCT) overhangs and with MboI and Sau3AI overhangs -- useful for directional cloning strategies without re-engineering sites. Check isoschizomer tables before designing multi-enzyme cloning strategies.
Buffer compatibility
Most suppliers have rationalized their enzyme buffers into 2-4 universal buffer systems (e.g., CutSmart, Buffer 3.1, FastDigest buffers) that support the majority of enzymes, enabling double digestion without buffer exchange. Verify buffer compatibility before combining two restriction enzymes in a single tube.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Restriction enzyme activity is defined as the amount of enzyme required to digest 1 microgram of lambda phage DNA (or substrate specified by the manufacturer) to completion in 1 hour at 37 degrees C in 50 microliters total volume. FastDigest enzyme formats complete digestion in 5-15 minutes at 37 degrees C, using a universal buffer. Heat inactivation is possible for most enzymes at 65-80 degrees C for 20 minutes, though some enzymes (NheI, SpeI, BstEII) are not heat-inactivatable and require column cleanup before downstream ligation. Over 3,500 Type II restriction enzymes are characterized in the REBASE database; commercially available catalogues cover approximately 200-300 common enzymes. For ligating restriction-digested fragments, see&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/enzymes-and-inhibitors/dna-modifying-enzymes">DNA-modifying enzymes</a> for T4 DNA Ligase and alkaline phosphatase.
&nbsp;
Refine your genomic editing&mdash;<a href="https://mbpinc.net/contact-us">contact the MBP team</a> today to request a quote for our high-fidelity enzymes.

Restriction Enzymes

MSDS

Tn5 Transposase for Tagmentation

Unit Quantity

Description

Shipping Condition

<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

Product Literature

Transfection Reagent

GT2211 Transfection Reagent by ABM is a cationic lipid-based reagent for efficient delivery of plasmid DNA and siRNA into mammalian cells. Available in 1.0 ml (GT2211-01), 10.0 ml (GT2211-02), and 15.0 ml (GT2211-15 ml) sizes. For research use only.

Transfection Reagent, 1.0 ml

Transfection Reagent, 10.0 ml

Transfection Reagent, 15.0ml

Urinalysis Slide

<h2 data-section-id="1wbl0e7" data-start="0" data-end="30">What Are Urinalysis Slides?</h2>
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Urinalysis slides are precision counting chamber slides designed for standardized microscopic examination of urine sediment. Unlike conventional wet mounts prepared under a standard coverslip, which produce variable and non-reproducible sample depths, urinalysis slides deliver a fixed, calibrated volume for consistent sediment counting and reporting.
Globe Scientific Quick-Read urinalysis slides contain integrated counting chambers, each holding a fixed volume of 6.3 &micro;L, with 10 chambers per slide. These chambers are available in two main formats: Precision Cell (with counting circles) and Precision Grid (with a structured grid). The standardized design ensures reproducibility for clinical reporting, quality control trending, and proficiency testing workflows. These slides are recommended whenever urine sediment counts must be consistent and comparable across users or laboratories.
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<h2 dir="ltr">What you will find:</h2>
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Grid Complete Systems (I, II, and III) for fully standardized sediment analysis.
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Quick-Read&trade; precision cells and grids for rapid, accurate quantification.
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Complete urinalysis systems designed for high-throughput clinical screening.
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Specialized urinalysis pipettes available in bulk bags or cases.
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Urine collection cups with integrated transfer devices and temperature strips.
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Plastic vacuum tubes and transfer straws for secure specimen handling.
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<h2 data-section-id="q0vbca" data-start="929" data-end="963">How to Choose Urinalysis Slides</h2>
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Counting Format: Circles vs Grid
Precision Cell slides use printed counting circles that are primarily used for reporting formed elements such as cells and casts per high-power field (HPF), where the circle defines a consistent observation area. Precision Grid slides use a grid layout, which is more suitable for enumerating bacteria, crystals, and other particulate elements where structured counting improves accuracy. Both formats maintain the same chamber volume of 6.3 &micro;L and the same 10-chamber configuration.
System Selection: Individual Components vs Complete Kits
Urinalysis products are available either as individual components or as complete systems. Complete kits include the slide, a calibrated transfer pipette, and a urine collection cup, providing a fully standardized workflow for clinical laboratories. Alternatively, laboratories can purchase slides and pipettes separately in bulk quantities to integrate into existing collection and handling systems.
Throughput and Workflow Efficiency
Each urinalysis slide contains 10 independent chambers, allowing up to 10 separate patient samples to be processed per slide. This configuration is designed for high-throughput clinical screening environments. In lower-volume settings, chambers may be used sequentially, provided proper sealing and handling protocols are followed between uses.
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<h2 data-section-id="1jl751w" data-start="2957" data-end="2982">Specifications Context</h2>
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Globe Scientific Quick-Read urinalysis slides (for example, catalog #3805) are optically clear chamber slides with an integrated coverslip system that eliminates the need for manual coverslip placement. Each chamber contains a fixed and reproducible 6.3 &micro;L volume of urine sediment, significantly reducing variability associated with traditional wet mount techniques, where inconsistent drop size and chamber depth can alter the number of visible formed elements.
Stop settling for "close enough" in your diagnostics. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Ask the MBP Team</a> for a quote right now because when it comes to precision, we don't just count, we make every cell count.

TransferTop™ Urine Transfer Products

3841 by Globe Scientific is the TransferTop™ Urine Transfer Straw, a 3-inch (7.5cm) non-sterile straw for closed-system urine transfer from collection cup to vacuum tube without uncapping the specimen. Supplied 100/bag, 8 bags/unit (800 total). Compatible with most vacuum urine tubes and Globe Scientific TransferTop™ collection cups.

Urine Transfer Straw, 3 Inch Straw (7.5cm), Non-Sterile, 100/Bag, 8 Bags/Unit, CS/800

Urine Collection Cup with Integrated Transfer Device, 2oz (60mL), STERILE, Individually Wrapped, CS/500

TransferTop Urine Collection Cup with Integrated Transfer Device, 4oz (120mL), Graduated to 100mL, STERILE, Bulk, CS/300

TransferTop Urine Collection Cup with Integrated Transfer Device, 4oz (120mL), Graduated to 100mL, STERILE, Bulk, Affixed Temperature Strip, CS/300

Urine Collection Plastic Vacuum Tube, Yellow Cap, 13 x 100mm (6.5mL), 100/Box, 10 Boxes/Unit, CS/1000

Test Tubes

<h2 dir="ltr">What are Test Tubes?</h2>
 Test tubes for laboratory use are open-ended, cylindrical glass or plastic tubes used to hold, mix, incubate, and heat liquid and solid samples across a broad range of applications: bacteriological culture, tissue culture, clinical chemistry, serological assays, immunology, and general sample processing. Choose borosilicate glass for reusable, high-temperature, or chemically demanding applications; choose polystyrene disposable 12&times;75 mm tubes for flow cytometry and colorimetric assays; choose polypropylene capped tubes for microbial culture with anaerobic or gas-generating organisms.
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<h2 dir="ltr">What you will find:</h2>
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<li dir="ltr" aria-level="1">Glass test tubes in diverse formats for heating and chemical reaction workflows</li>
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Plastic polypropylene test tubes for routine laboratory use
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Graduated tubes for quick and easy volume estimation
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Conical and round-bottom tube formats for different applications
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Sterile disposable test tubes for clinical and diagnostic work
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Heat-resistant tubes for incubation and controlled heating steps
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<h2 dir="ltr">How to Choose Test Tubes</h2>
 Material: Glass vs. Polypropylene vs. Polystyrene Borosilicate glass 3.3 (ASTM E438 Type I, Class B) test tubes withstand direct flame, autoclave sterilization at 121 &deg;C, and most solvents, acids, and bases. They are reusable and autoclavable, making them cost-effective over high-volume laboratory runs. Polystyrene (PS) disposable tubes offer outstanding optical clarity for flow cytometry (FACS), cell counting, and OD-based colorimetric assays, but cannot be autoclaved and should not be used with aromatic solvents or strong acids. Polypropylene (PP) tubes are chemically resistant, autoclavable, and available with screw caps for anaerobic culture or gas-generating reactions. Rimmed vs. Rimless Rimless test tubes (fire-polished ends) allow easier insertion of rubber or silicone stoppers and are preferred for plugging with cotton wool for microbial culture. Rimmed tubes have a flared lip that facilitates pouring and is compatible with spring-metal tube closures. Confirm your closure type before ordering in bulk. Size and Volume The most common test tube dimensions in clinical and research labs: 12&times;75 mm: ~5 mL capacity; standard for flow cytometry, FACS, serology 13&times;100 mm: ~10 mL; general culture and chemistry 16&times;100 mm: ~14 mL; culture and chemistry 16&times;125 mm: ~17 mL; microbiological culture 18&times;150 mm: ~25 mL; larger-volume digests and culture Wall thickness of 1.2 mm (light wall, borosilicate 3.3) is the standard for general lab use; heavy-wall versions are used for digestions and applications involving vacuum or pressure. Sterile vs. Non-Sterile Sterile borosilicate glass culture tubes (individually wrapped or bulk-sterilized) are required for microbial culture, cell culture, and any application where contamination would invalidate the result. Non-sterile tubes are adequate for chemistry, spectroscopy, and other abiotic applications. Disposable PS tubes from Corning (PYREX&trade;) and Globe Scientific are supplied sterile or non-sterile; confirm the specification on the lot certificate. 
<h2 dir="ltr"> Specifications Context</h2>
 Borosilicate glass 3.3 test tubes have a linear thermal expansion coefficient of 3.3 &times; 10⁻⁶ K⁻&sup1;, providing resistance to thermal shock from room temperature to 300 &deg;C (direct flame) and from 0 to 121 &deg;C (autoclave cycles). Light-wall tubes (1.2 mm uniform wall thickness) provide the standard for general laboratory use; heavy-wall variants (2.0 mm) are used for digestion vessels and pressurized applications. Corning PYREX&trade; disposable round-bottom rimless glass tubes for tissue culture conform to ASTM standards and are the reference format for bacteriological serology and cell wash procedures. MBP supplies Globe Scientific and NEST Scientific test tube lines for research and clinical labs across the USA, Canada, and worldwide. &nbsp; 
If you&rsquo;re choosing between glass and plastic or trying to match the right size to your workflow, it&rsquo;s worth getting that part right early &mdash; it makes everything downstream smoother and a lot less messy. <a href="https://mbpinc.net/contact-us">Contact the MBP team now!</a>

Translucent Snap Caps - For Test Tubes

The 113142A by Globe Scientific is a translucent gray LDPE snap cap for 12 mm glass culture tubes and 13 mm evacuated blood-drawing tubes — precision-molded to maintain a liquid-tight seal during centrifugation, agitation, and refrigerated storage. Single thumb tab enables one-handed removal. Packed 1,000 per bag; available in seven translucent colors (Gray, Blue, Clear, Green, Lavender, Red, Yellow) for color-coded sample tracking.

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Clear, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Clear, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Clear, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Gray, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Blue, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Green, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Lavender, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Red, CS/10000

Cap, Snap, 12/13mm, PE, for Vacuum and Test Tubes, Yellow, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Gray, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Blue, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Green, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Lavender, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Red, CS/10000

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Yellow, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Gray, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Blue, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Green, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Lavender, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Red, CS/10000

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Yellow, CS/10000

Plastic Beakers

<h2 data-section-id="174q2lb" data-start="139" data-end="167">What Are Plastic Beakers?</h2>
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Plastic beakers are shatterproof cylindrical laboratory vessels manufactured from polypropylene (PP) or polymethylpentene (PMP), designed for safe and lightweight liquid handling in environments where glass breakage is a concern. Polypropylene (PP) is the most commonly used material due to its strong chemical resistance to dilute acids, bases, alcohols, and most aqueous reagents, along with autoclavability at 121&deg;C and permanently molded graduations that do not fade with use. Polymethylpentene (PMP) offers higher optical clarity and better heat tolerance, making it suitable for applications requiring visual monitoring of solutions. Choose PP plastic beakers for routine buffer preparation, aqueous reagents, teaching labs, and field use; choose glass beakers when working with organic solvents, high temperatures above ~135&deg;C, or when maximum optical clarity is required.
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<h2 dir="ltr">What you will find:</h2>
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Options from 5mL for micro-work to 10,000mL for bulk prep.
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High-clarity polypropylene built for heavy reagent use.
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Options for Tri-corner beaker are also available.
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Molded-in graduations that never fade or rub off.
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Engineered for drip-free pouring and zero-waste transfers.
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Stock up with Case Packs or grab a single unit.
</li>
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&nbsp;
<h2 data-section-id="149sszu" data-start="1054" data-end="1086">How to Choose Plastic Beakers</h2>
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Material: Polypropylene vs. Polymethylpentene
Polypropylene (PP) beakers are the standard choice in most laboratories because they are autoclavable at 121&deg;C, cost-effective, and resistant to a wide range of aqueous reagents including dilute acids and bases. They are typically translucent and designed for general-purpose laboratory workflows. Polymethylpentene (PMP) beakers, on the other hand, offer near-glass optical clarity (approximately 90% light transmission) and can tolerate higher temperatures up to around 175&deg;C, making them suitable for applications where visibility of the solution is important during mixing or heating.
Graduation Type: Molded-In
Plastic beakers at MBP feature molded-in graduations that are permanently embossed into the wall of the vessel. These markings remain legible even after repeated autoclaving, chemical exposure, and washing cycles, making them more durable than printed alternatives and ideal for long-term reuse.
Volume Range
MBP supplies plastic beakers in sizes ranging from 5 mL to 10,000 mL. Small-volume beakers (5&ndash;50 mL) are used for micro-scale reagent preparation, while mid-range sizes (250 mL&ndash;1,000 mL) are standard for routine buffer preparation. Large-capacity beakers (2,000&ndash;10,000 mL) are used for bulk reagent mixing, media preparation, and large-scale laboratory workflows.
Tri-Corner Beaker Option
Tri-corner (tri-pour) beakers are a specialized plastic format designed with three pour spouts for controlled dispensing and reduced dripping. These are commonly used in reagent distribution stations, waste handling, and workflows requiring frequent liquid transfer. They are typically made from polypropylene and complement standard round-form beakers.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3281" data-end="3306">Specifications Context</h2>
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Polypropylene (PP) has a density of approximately 0.91 g/cm&sup3; and is chemically resistant to dilute acids (HCl, H₂SO₄), bases (NaOH, KOH), alcohols, and most aqueous buffers. However, it is not compatible with concentrated oxidizing acids (such as concentrated nitric or sulfuric acid) or halogenated organic solvents (such as chloroform, methylene chloride, or xylene). Molded graduations typically maintain an accuracy of &plusmn;5% of total capacity. PMP provides higher transparency and improved heat resistance compared to PP but is generally more expensive.
MBP stocks plastic beakers in a full range of sizes from 5 mL to 10,000 mL, including standard round-form and tri-corner designs for institutional laboratory use.
Upgrade to equipment that truly lasts the lab life. Look through our website and <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">contact the MBP team</a> for a quote to get lab supplies that won't let you down.

Weigh Dish Brochure

Tri-Corner Beakers Specifications

Tri-Corner Beakers

3630 by Globe Scientific is a clarified polypropylene tri-corner beaker with three built-in pouring spouts, in sizes from 50mL to 1000mL. Graduated in mL; autoclavable; chemically resistant to acids, solvents, and alkalis. Durable for repeated use; inexpensive enough for single-use.