Brands

Universal Centrifuge Accessories

<h2>What Are Universal Centrifuge Accessories?</h2>
&nbsp;
Universal centrifuge accessories are the interchangeable components that determine the range of applications a universal centrifuge can perform. These include swing-out rotor buckets for blood tubes, conical tubes, microplates, and large bottles; fixed-angle rotors for high-speed pelleting; hematocrit and cytospin rotors; tube adapters; and aerosol-tight bio-containment lids. Selecting the appropriate accessories allows a single centrifuge to support multiple laboratory workflows efficiently and safely.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Tube adapters and inserts for compatibility with multi-volume samples&nbsp;
</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Fixed-angle and swing-out rotors for varied centrifugation applications
</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Lids and sealed buckets for safe and reliable operations
</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
PCR adapters and microplate carriers for high-throughput workflows
</li>
<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
Centrifuge tubes, holders, and supporting aids for efficient and complete setups
</li>
</ul>
&nbsp;
<h2>How to Choose Universal Centrifuge Accessories</h2>
&nbsp;
Swing-Out Bucket Selection by Application
Choose swing-out buckets according to the sample formats used in your laboratory. Blood tube buckets support routine clinical applications, conical tube buckets are suitable for cell culture and molecular biology, microplate carriers enable high-throughput workflows, and large-bottle carriers accommodate large-volume sample processing.
Fixed-Angle Rotors
Fixed-angle rotors provide higher centrifugal forces for microtube, PCR tube, and small-volume sample processing. Ensure that both the rotor and centrifuge motor specifications support the required operating speeds and sample formats.
Cytospin Clip Rotors
Cytospin rotors are designed for preparing microscope slides from low-cellularity samples such as body fluids. Verify compatibility with the required funnel sizes and use bio-containment features when processing potentially infectious materials.
Bio-Containment Lids
Aerosol-tight lids help contain biological samples during centrifugation and support safe laboratory practices. Regular inspection of sealing components and O-rings ensures reliable containment and long-term performance.
Reducing Adapter Inserts
Adapter inserts allow smaller tubes to fit securely within larger bucket positions. Using properly matched adapters improves balance, prevents movement during operation, and helps maintain consistent centrifugation results.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Modern universal centrifuge systems support interchangeable accessory configurations that enable rapid transitions between clinical, research, cell culture, and cytology workflows. Swing-out buckets, fixed-angle rotors, and microplate carriers provide flexibility while maintaining compatibility with a broad range of vessel formats.
Routine inspection and maintenance of accessories, including adapters, lids, and sealing components, help ensure safe operation and extend equipment lifespan. Advances in bio-containment systems and modular rotor designs continue to improve laboratory efficiency and versatility.
Time to upgrade your universal centrifuge accessories. <a href="https://mbpinc.net/contact-us">Contact the expert team </a>of Molecular Biology Products Inc. (MBP) and the find perfect match today.

Centrifuge Tube, 500mL, PP, sterile, with screw-cap, 8 per bag, 5 bags per case, 40/cs

The C1500 by MTC Bio is a sterile 500 ml polypropylene screw-cap centrifuge tube rated to 6,000 xg, certified RNase-free, DNase-free, and pyrogen-free; supplied 40 tubes per case (8 per bag, 5 bags per case) for large-volume cell harvesting and drug discovery applications.

Manufacture

<h2>What are ChIP buffers?</h2>
&nbsp;
ChIP buffers are the aqueous formulations used at each stage of a chromatin immunoprecipitation protocol: cell lysis buffer disrupts the plasma membrane and releases nuclear content, nuclear lysis buffer solubilizes chromatin under conditions compatible with subsequent immunoprecipitation, sonication buffer maintains chromatin stability during shearing, ChIP dilution buffer reduces SDS concentration from the lysis buffer to allow antibody-antigen binding, sequential wash buffers with increasing ionic strength and detergent remove non-specifically bound chromatin while preserving the specific antibody-antigen-DNA complex, and elution buffer releases the captured complex from the antibody-bead resin before de-crosslinking.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">MN Digestion Buffer used in MNase-based workflows for enzymatic fragmentation of&nbsp; chromatin&nbsp;</li>
<li dir="ltr" role="presentation">Chromatin Shearing Buffer using sonification for chromatin disruption and preparation</li>
<li dir="ltr" role="presentation">5X MN Stop Buffer for the termination of enzymatic digestion reactions</li>
<li dir="ltr" role="presentation">Chromatin Dilution Buffer used in ChIP assays to provide optimized conditions for antibody binding&nbsp;</li>
<li dir="ltr" role="presentation">Chromatin Wash Buffer I, II, and III for background reduction and step-by-step non-specific binding removal&nbsp;</li>
<li dir="ltr" role="presentation">ChIP DNA Binding Buffer for purification and capture of immunoprecipitated DNA</li>
<li dir="ltr" role="presentation">5X Chromatin Elution Buffer for protein&ndash;DNA complexes recovery</li>
<li dir="ltr" role="presentation">5M NaCl for enhancing elution and chromatin stabilization</li>
<li dir="ltr" role="presentation">Nuclei Prep Buffer used before chromatin extraction for superior nuclear isolation</li>
</ul>
&nbsp;
<h2>How to use ChIP buffers</h2>
&nbsp;
Always add protease inhibitors to lysis and wash buffers immediately before use
Protease inhibitors must be added fresh to cell lysis and nuclear lysis buffers immediately before use, since most inhibitors are unstable in aqueous solution and lose activity quickly, and without them, nuclear proteases released during lysis will degrade histone tails and reduce ChIP enrichment of histone modifications.
Confirm SDS concentration is diluted before immunoprecipitation
High SDS in the nuclear lysis buffer is necessary for chromatin solubilization and sonication, but must be diluted approximately 10-fold using ChIP dilution buffer before antibody addition, since high SDS disrupts antibody-antigen binding and reduces immunoprecipitation efficiency.
Keep all buffers and chromatin on ice throughout the workflow after lysis
Chromatin prepared for ChIP is sensitive to non-specific interactions and protease activity after cell lysis, and maintaining samples at 4&deg;C throughout all lysis, sonication, immunoprecipitation, and wash steps minimizes these effects and preserves specificity of the enrichment.
Optimize wash buffer stringency to balance specificity against yield
ChIP wash buffers are applied sequentially at increasing ionic strength and detergent concentration to remove non-specifically bound chromatin; conditions too stringent can also strip the specific antibody-antigen-DNA complex from the beads, reducing yield, so optimization of wash conditions for each antibody-target combination improves performance.
Confirm elution buffer composition fits your downstream application
Standard ChIP elution buffers containing SDS and sodium bicarbonate release the protein-DNA complex and reverse crosslinks, but high SDS in the eluate can inhibit some NGS library preparation enzymes, making a DNA cleanup step after elution important before proceeding to library prep.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Protease inhibitor cocktails, added fresh to lysis buffers immediately before ChIP, are a standard component across kit formats and in-house protocols, since even brief protease activity can compromise histone modification detection by degrading the histone tails that ChIP antibodies recognize. As of 2026, ChIP buffer formulations compatible with low-input chromatin and NGS library preparation continue to be optimized for primary cell and tissue ChIP workflows.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP and request a quote today to get high-quality ChIP buffers for your lab.

Buffers

MSDS

ChIP DNA Binding Buffer

D5201-1-100 ChIP DNA Binding Buffer by Zymo Research — 100 ml; 5:1 ratio to ChIP sample; tolerates 1% SDS, 5% Triton X-100/Tween-20/Sarkosyl; Zymo-Spin I and IC column compatible; room-temp storage.

Manufacturer

Shipping Condition

Storage Condition

ChIP DNA Binding Buffer (100 ml)

ChIP DNA Binding Buffer (50 ml)

<h2>What are ChIP kits?</h2>
&nbsp;
ChIP (chromatin immunoprecipitation) kits provide all the components needed to enrich a specific protein-DNA complex from fixed, sheared chromatin using an antibody against the protein of interest, whether a histone modification like H3K4me3 or a DNA-binding protein like a transcription factor. A complete ChIP kit covers: formaldehyde crosslinking of proteins to DNA in intact cells or tissue, cell lysis and nuclear extraction, chromatin shearing to appropriate fragment sizes, immunoprecipitation using an antibody pre-bound to protein A/G beads, sequential washing to remove non-specific binding, elution of the antibody-protein-DNA complex, de-crosslinking to release the DNA, and purification of the enriched DNA for downstream analysis.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" aria-level="1">
<a href="https://mbpinc.net/reagents/epigenetics/chip-kits/buffers">Buffers: </a>for immunoprecipitation, chromatin preparation, elution, and washing workflows. Includes Chromatin Shearing Buffer, MN Digestion Buffer, and Chromatin Wash Buffers, designed to support efficient chromatin cleanup, fragmentation, and recovery in ChIP assays
</li>
</ul>
&nbsp;
<h2>How to choose and use ChIP kits</h2>
&nbsp;
Decide between sonication-based and enzymatic chromatin shearing
Sonication shears chromatin mechanically into fragments typically 200&ndash;1000 bp through several optimized burst-and-cool cycles, while enzymatic kits use micrococcal nuclease (MNase) or similar enzymes to cleave chromatin at accessible linker regions. Each approach has different resolution characteristics and cell-type-specific optimization requirements.
Confirm your ChIP kit is compatible with your antibody and magnetic bead format
Most modern ChIP kits use magnetic protein A or protein G Dynabeads to capture the antibody-antigen complex during immunoprecipitation, and matching the bead type to the antibody species and isotype is important for efficient capture and low background.
Plan sonication optimization as a required step before your ChIP experiment
Fragment size after sonication, ideally 200&ndash;750 bp for most ChIP-seq applications, must be confirmed by gel electrophoresis or Bioanalyzer before proceeding, since fragment size directly affects both immunoprecipitation efficiency and the resolution of the resulting ChIP-seq data.
Include an input chromatin control and an isotype control antibody
Running an aliquot of the pre-immunoprecipitation chromatin as an input control normalizes for differences in chromatin accessibility across the genome, while an isotype-matched antibody control establishes background enrichment levels above which true binding sites can be distinguished.
Keep all steps after cell lysis cold to prevent protein degradation
Chromatin prepared for ChIP is sensitive to protease activity and non-specific interactions after formaldehyde fixation, and including protease inhibitors in all lysis and wash buffers, as well as keeping samples cold throughout, reduces background and preserves specificity of the immunoprecipitation.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Sonication requires careful optimization for each cell type and instrument, typically involving pilot experiments at varying pulse widths, total times, and rest intervals, with fragment size evaluated by gel electrophoresis after de-crosslinking to confirm the target range of 200&ndash;750 bp before a full ChIP experiment is run. As of 2026, low-input and ultra-low-input ChIP kits continue to expand access to ChIP experiments from limited cell numbers such as primary cell populations and rare clinical samples, while nano-ChIP and CUT&amp;RUN approaches provide complementary alternatives for very low cell inputs where classical ChIP requires too many cells.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. (MBP) to get premium-quality ChIP reagents and buffers for your lab.

ChIP Kits

DataSheet

Protocol

ChIP DNA Clean & Concentrator™

D5201 by Zymo Research purifies ChIP DNA at any workflow step in 2 minutes with ≥6 µl elution volume and 70–90% recovery for fragments from 50 bp to 23 kb. The binding buffer is formulated to tolerate antibodies, detergents, and Proteinase K, making intermediate cleanups and final elution cleanup equally seamless. Designed for ChIP-seq, ChIP-qPCR, and array-based downstream applications.

Elution Volume

Processing Time

Recovery

Size Range

Storage

ChIP DNA Clean & Concentrator™ (50 Preps.)(Uncapped Columns)

ChIP DNA Clean & Concentrator™ (50 Preps.)(Capped Columns)

<h2>What are plasmid miniprep kits?</h2>
&nbsp;
A plasmid miniprep kit uses SDS/alkaline lysis to break open pelleted E. coli cells from a small culture volume (1-10 ml), followed by binding to a silica-membrane spin column, washing, and elution, separating plasmid DNA from genomic DNA, RNA, and protein in roughly 10-15 minutes per prep. Related entities include Buffer P1/P2/P3-style alkaline lysis reagents, color-coded lysis dyes for visual confirmation of complete lysis and neutralization, RNase A for RNA removal, and downstream applications including transformation, restriction digestion, PCR, and sequencing. Choose a miniprep kit for routine, low-volume plasmid prep (cloning screens, sequencing checks, restriction digests) where yields up to roughly 20-100 ug per column are sufficient.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Pellet-free and classic plasmid miniprep kits for high-yield bacterial isolation using rapid spin-column workflows</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">High-throughput 96-well plasmid plates optimized for vacuum manifold processing and parallel automated screening&nbsp;</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Specialized yeast plasmid miniprep systems for fragile fungal hosts using cell-wall digesting chemistries</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">BAC/PAC and large construct isolation units for safer purification of high-molecular-weight vectors</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Endotoxin-free plasmid extraction reagents for sensitive mammalian cell lines, ensuring transfection-grade DNA purity&nbsp;</li>
</ul>
&nbsp;
<h2>How to choose a plasmid miniprep kit</h2>
&nbsp;
Standard vs. high-yield chemistry
Standard silica spin-column minipreps typically recover up to about 20 ug per column, while high-yield formulations using modified alkaline lysis and novel binding chemistry can reach up to 100 ug at concentrations up to 3 ug/ul from the same small culture volume. If your downstream application (e.g., sequencing multiple samples from one prep, or transfection requiring more DNA per prep) benefits from a higher concentration, a high-yield kit reduces the need to scale up to midiprep.
Plasmid copy number and culture volume planning
High-copy plasmids (pUC-based vectors) can saturate a miniprep column from as little as 3 ml of culture, yielding around 20 ug, while low-copy plasmids (pBR322, pET, cosmids) may yield under 2 ug from the same volume and benefit from doubling culture volume to 5-10 ml. Identify your vector's origin of replication before choosing a standard culture volume, since low-copy vectors at standard volumes can produce yields too low for some downstream steps.
Color-coded lysis buffers for visual QC
Some miniprep kits include color-coded lysis and neutralization buffers that allow visual confirmation of complete cell lysis (color change) and proper neutralization before loading the column, helping catch incomplete-lysis failures before they waste a column. This visual QC step is particularly useful for new users or when troubleshooting inconsistent yields across a batch of preps.
Endotoxin-free and large-construct options
For transfection-sensitive downstream applications, endotoxin-free miniprep kits add a dedicated wash step without significantly extending the protocol time; for large plasmids, cosmids, or BAC/YAC/PAC constructs, some miniprep kits are validated up to approximately 200 kb, while standard kits are optimized for constructs up to roughly 25 kb. Confirm both endotoxin status and size compatibility match your specific construct and downstream use before relying on a standard miniprep.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The key specs for plasmid miniprep selection are expected yield relative to your plasmid's copy number and culture volume, whether color-coded buffers aid visual QC, and whether endotoxin-free or large-construct compatibility is needed for your downstream application. A standard miniprep yielding up to roughly 20-25 ug in 10-15 minutes from 1-10 ml of culture covers most routine cloning workflows, while high-yield kits up to 100 ug reduce the need to scale up for moderately DNA-hungry applications. Labs running both daily cloning screens and occasional larger-scale prep work typically keep <a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/miniprep-kits">miniprep kits</a>&nbsp;on hand alongside&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/midiprep-kits">midiprep kits</a>&nbsp;for when miniprep yields aren't sufficient. The parent&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits">plasmid DNA extraction kits category</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/plasmid-dna-extraction-kits/maxiprep-kits">maxiprep kits</a>&nbsp;cover larger-scale options, while the broader&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits">nucleic acid extraction kits hub</a>&nbsp;and&nbsp;<a href="https://mbpinc.net/reagents/molecular-biology/nucleic-acid-extraction-kits/dna-extraction-kits/genomic-dna">genomic DNA extraction kits category</a> link to chromosomal DNA workflows.&nbsp;
<section class="mbp-contact-cta">
&nbsp;
MBP's specialist team can help match kit chemistry, format, and throughput to your sample type and downstream application.&nbsp;<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> for personalized guidance.
</section>

Miniprep Kits

Product Literature

Chaotropic Free ezFilter 96-well Plasmid Miniprep

Chaotropic Free ezFilter 96-well Plasmid Miniprep (PD1816-00) by MBP is a high-throughput 96-well plasmid miniprep kit using a 96-well filter plate to clear lysate, with a chaotropic-free formulation. Available in 1&times;96 (PD1816-00), 4&times;96 (PD1816-01), and 20&times;96 (PD1816-02) prep sizes.

Chaotropic Free ezFilter 96-well Plasmid Miniprep, 1x96 Preps

Chaotropic Free ezFilter 96-well Plasmid Miniprep, 4x96 Preps

Chaotropic Free ezFilter 96-well Plasmid Miniprep, 20x96 Preps

<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

Chloramphenicol

Zymo Research A1002 Chloramphenicol Solution: 10 mg/mL in 95% ethanol, ≥ 97% purity, sterile. Working concentration 20 µg/mL. E. coli cat-gene selection; BAC/PAC amplification. Storage −20°C. Available as 1 × 5 mL (A1002-5) or 5 × 5 mL (A1002-25). Made in USA.

Concentration

Product Storage

Purity

Working Concentration

Chloramphenicol (10 mg/ml in Ethanol) (5 x 5 ml)

Chloramphenicol (10 mg/ml in Ethanol) (5 ml)

Unit Quantity

Recommended Protocol

Shipping condition

Chromatin Dilution Buffer (30 ml)

D5210-2-30 Chromatin Dilution Buffer by Zymo Research — 30 ml, room-temperature storage — dilutes ChIP-grade antibody during chromatin immunoprecipitation. Compatible with Zymo-Spin ChIP Kit (D5209, D5210).

Chromatin Shearing Buffer (30 ml)

D5210-1-30 by Zymo Research is a 30 ml chromatin shearing buffer for nuclei preparation and sonication in ChIP workflows, supporting reproducible fragment sizing to 100–600 bp. Sold as a standalone refill for the Zymo-Spin ChIP Kit (D5210).

Chromatin Wash Buffer I (30 ml)

D5210-3-30 by Zymo Research is Chromatin Wash Buffer I, 30 mL. Used as the first wash of Protein A bead/antibody/chromatin complexes in ChIP workflows. Compatible with the Zymo-Spin ChIP Kit (D5209, D5210). Sold separately. Store at room temperature.

Chromatin Wash Buffer II (30 ml)

D5210-4-30 by Zymo Research is Chromatin Wash Buffer II, a 30 ml buffer for the second chromatin wash step in the Zymo-Spin ChIP Kit (D5209, D5210) workflow. Stored at room temperature; available individually for kit buffer replenishment.

Hotplate & Stirrer Accessories

<h2>What Are Hotplate and Stirrer Accessories?</h2>
&nbsp;
Hotplate and stirrer accessories are supplementary components for single-position and multi-position hotplate stirrers that improve temperature accuracy, expand vessel compatibility, enable reflux setups, and maintain equipment in working condition. The most important accessory for research-grade hotplate use is an external temperature probe, which monitors actual solution temperature rather than hotplate surface temperature, which can be 20 to 50 degrees C higher than the liquid in the vessel. PTFE stir bars in standard cylindrical, oval, octagonal, cross-shaped, and polygon geometries allow matching of bar shape to vessel type and mixing requirement. Support rods and clamp assemblies secure condensers, separating funnels, and other glassware above the hotplate for reflux chemistry. Magnetic stir bar retrieval wands recover stir bars from flasks without contaminating the solution. An external temperature probe is the single most impactful hotplate stirrer accessory: without one, you are controlling plate temperature, not solution temperature, and the two can differ by 20 to 50 degrees C.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li data-section-id="dpsp0x" data-start="25" data-end="139">Temperature sensors for compatible GHS-series hotplate stirrers, available in standard and glass-coated designs.</li>
<li data-section-id="yvvor4" data-start="140" data-end="248">Sensor support stands and clamps for secure positioning of temperature probes during heating applications.</li>
<li data-section-id="hdqu1" data-start="249" data-end="353">Support rods and clamp sets for mounting laboratory apparatus and accessories above hotplate stirrers.</li>
<li data-section-id="rtdv85" data-start="354" data-end="446">Magnetic stir bars, including standard and pivot ring styles, for efficient sample mixing.</li>
<li data-section-id="1hl26tt" data-start="447" data-end="560" data-is-last-node="">Chemically resistant clamp set options featuring inert PTFE construction for demanding laboratory environments.</li>
</ul>
&nbsp;
<h2>How to Choose Hotplate and Stirrer Accessories</h2>
&nbsp;
External temperature probes
Confirm probe type compatibility with the hotplate stirrer model: most digital hotplate stirrers accept either a PT1000 resistance temperature detector (RTD) or a Type K thermocouple, and these are not interchangeable between models. The probe is inserted directly into the solution and feeds temperature data back to the PID controller to maintain the solution (not the plate surface) at the setpoint. Probe length and sheath material (stainless steel, glass, or PTFE) should be matched to the vessel size and chemical compatibility requirements.
PTFE stir bars: geometry and size
PTFE stir bars are available in cylindrical, oval (egg-shaped), octagonal, cross (X-shape), polygon, and ring geometries. Cylindrical bars are the most common general-purpose format. Octagonal bars provide more turbulent mixing in flat-bottomed vessels than cylindrical bars. Cross-shaped bars improve mixing in round-bottom flasks by preventing the bar from riding the wall. Ring or hoop bars are used for mixing around fixed probes or frits inside the vessel. Stir bar length is selected to match vessel diameter, typically 30 to 50% of vessel inner diameter.
Support stands and clamp sets.
Support stands (rod-and-base assemblies) mount above or adjacent to the hotplate to hold condensers, addition funnels, thermometers, and other glassware in reflux setups. Confirm rod diameter compatibility with the clamp set (most lab glassware clamps fit 12.7 mm or 16 mm rods). Weighted bases provide stability for tall assemblies. Crossbar assemblies allow horizontal positioning of clamps at adjustable heights along the support rod.
Magnetic stir bar retrieval tools
Stir bar retrievers are magnetic wands encased in a non-contaminating sleeve (PTFE or glass) that attract and remove the stir bar from a vessel without inserting fingers or metal into the sample. Available as handheld wands or bench-mounted extractors. An essential accessory for labs processing multiple samples per day, as losing track of stir bars is among the most common minor equipment management issues in bench chemistry.
Replacement sensors and calibration weights
Temperature probes degrade after repeated heating cycles or chemical exposure; replace probes showing drift against a calibrated reference thermometer. For hotplate stirrer models with external calibration weights (balance verification), confirm the weight set is OIML or ASTM traceable for regulated workflows.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
PTFE stir bars should be inspected regularly for chipped or worn PTFE coating. Bare metal exposure from a chipped bar contaminates the sample with metallic particles and alters the bar's magnetic coupling properties, resulting in reduced mixing efficiency or bar stall at lower speeds. Discard and replace any stir bar showing PTFE damage. For regulated lab environments (GMP, ISO 17025), maintain a stir bar inventory log and retire bars on a scheduled basis. External temperature probes rated for immersion in aqueous solutions should be verified against a calibrated reference thermometer at least annually; probes showing more than 1 degree C deviation should be recalibrated or replaced.&nbsp;
&nbsp;
Looking for that one missing piece to complete your setup? Browse our accessories collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Clamp set for H3770 Chemically resistant/inert teflon, includes rod and clamp

The H3770-CSTF by Benchmark Scientific is an inert PTFE (Teflon) clamp set—including rod and clamp assembly—for Benchmark H3770 series digital hotplates and hotplate stirrers (H3770-H, H3770-S, H3770-HS). The chemically resistant PTFE construction suits corrosive acid, base, halogenated solvent, and high-purity chemistry workflows where standard metal clamp hardware would corrode or contaminate.

Clamp set for H3770, includes rod and clamp

H3770-CS by Benchmark Scientific is a clamp set — including a metal rod and universal clamp — designed to secure thermometers and temperature probes to the Benchmark H3770 Digital Hotplate/Stirrer. It keeps monitoring accessories at a fixed position during heating and stirring, ensuring reproducible readings. Ideal for chemistry and biology labs running temperature-controlled protocols with the H3770 platform.