Cell Culture

<h2 data-section-id="3d1466" data-start="0" data-end="47">What are cell culture buffers and solutions?</h2>
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Cell culture buffers and balanced salt solutions are isotonic solutions used to wash, dilute, transport, and temporarily maintain cells outside of complete growth media. Unlike culture media, these solutions do not contain the nutrients and growth factors required for cell proliferation. Instead, their primary role is to maintain physiological pH and osmotic balance while protecting cells from stress during handling and experimental procedures.
The most commonly used cell culture buffers include PBS (Phosphate-Buffered Saline), DPBS (Dulbecco's Phosphate-Buffered Saline), HBSS (Hank's Balanced Salt Solution), and EBSS (Earle's Balanced Salt Solution). These solutions are widely used in cell washing, passaging, tissue dissociation, sample preparation, immunoassays, and short-term cell maintenance.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">Standard Isotonic Buffers to wash cells, maintain osmotic balance, and dilute reagents.</li>
<li dir="ltr" role="presentation">Biological Buffering Agents for metabolic support and pH maintenance.</li>
<li dir="ltr" role="presentation">Cell Dissociation &amp; Neutralizing Reagents maintain high cell viability and are used for cell recovery, detachment, and passaging</li>
<li dir="ltr" role="presentation">Surface Coating &amp; Matrix Solutions with high-grade gelatin for improved cell attachment.</li>
<li dir="ltr" role="presentation">Insulin-Transferrin-Selenite (ITS), Bovine Serum Albumin (BSA), and high-purity Holo-Transferrin for enhanced cell growth and viability</li>
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<h2 data-section-id="1cuz7jf" data-start="1165" data-end="1216">How to choose cell culture buffers and solutions</h2>
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PBS vs. DPBS PBS is a simple sodium chloride/phosphate buffer solution. DPBS adds potassium chloride and may include calcium, magnesium, glucose, and pyruvate depending on formulation. The practical difference between PBS and DPBS formulations is minimal &mdash; both maintain pH 7.2-7.4 and osmolality ~280-315 mOsm/kg and are functionally interchangeable for standard washing, immunoassay, and sample preparation applications. If your protocol is sensitive to minor salt concentration differences, compare specific formulation sheets rather than assuming equivalence. &nbsp; Calcium/magnesium-free vs. calcium/magnesium-containing Calcium and magnesium facilitate cell-cell and cell-surface adhesion. Calcium/magnesium-free PBS, DPBS, or HBSS is required: before enzymatic dissociation (residual Ca/Mg inhibits trypsin, requiring more enzyme and harsher conditions &mdash; the most common cause of poor trypsinization results), for rinsing EDTA or other chelators from culture, and for minimizing cell-cell aggregation during gentle dissociation or suspension recovery. Calcium/magnesium-containing formulations support cell binding and clumping, useful for transport applications or attachment-dependent procedures. &nbsp; HBSS/EBSS vs. PBS/DPBS for short-term maintenance HBSS and EBSS include sodium bicarbonate buffering and may include glucose, providing meaningfully better short-term physiological support for cells &mdash; particularly under CO₂ atmosphere &mdash; than the simpler PBS/DPBS formulations. Use HBSS/EBSS when cells need to remain viable for a meaningful period outside complete growth media (tissue dissociation workflows, transport, short-term holding). Use PBS/DPBS for washing steps, immunoassay/Western blot dilutions, and sample preparation where osmotic balance &mdash; not metabolic support &mdash; is the requirement. &nbsp; Phenol red and glucose/pyruvate variants DPBS and HBSS are available with or without phenol red and with or without glucose/pyruvate, allowing matching to downstream applications (phenol red-free for fluorescence work; glucose/pyruvate-containing for short-term metabolic support). &nbsp; Endotoxin and quality testing Regular quality testing of balanced salt solutions includes osmolality, pH, stability, and screening for endotoxins and bacterial/fungal contamination. For immune cell handling and other endotoxin-sensitive applications, premium formulations document endotoxin levels below 0.005 EU/mL &mdash; a meaningfully tighter specification than standard research-grade buffers. &nbsp; Powder vs. liquid format Powdered balanced salt solutions are manufactured without sodium (to avoid sodium bicarbonate off-gassing during storage), requiring sodium bicarbonate addition, pH adjustment, and sterile filtration at time of preparation &mdash; following the same principle as powdered classic media.Specifications context
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<h2>Specifications context</h2>
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Most balanced salt solutions are formulated to maintain physiological conditions with a pH of approximately 7.2&ndash;7.4 and osmolality ranging from about 280&ndash;315 mOsm/kg. These properties help minimize osmotic stress and maintain cell viability during handling.
Calcium- and magnesium-free DPBS remains one of the most commonly specified buffers for cell dissociation workflows because it improves the effectiveness of trypsin and other detachment enzymes. HBSS and EBSS continue to be widely used when short-term metabolic support is required outside complete growth media.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at MBP today to get high-purity buffers and solutions for your lab.

Buffers & Solutions

Buffers/Salts

MSDS

Polybrene

G062 by Applied Biological Materials is Polybrene (hexadimethrine bromide) at 0.8 mg/mL in a 1 mL ready-to-use solution — a cationic polymer that enhances retroviral and lentiviral transduction efficiency by neutralizing charge repulsion between viral particles and the cell surface. Store at –20°C.

Unit Quantity

Sterility

Storage Condition

Shipping Condition

<h2 data-section-id="1h8mvlk" data-start="0" data-end="45">What are primary cell culture medium kits?</h2>
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Primary cell culture medium kits are complete, ready-to-prepare culture systems that combine a cell-type-specific basal medium with the supplements required for optimal growth and maintenance of primary cells. Unlike purchasing media, serum, growth factors, and antibiotics separately, these kits provide all components in validated proportions, ensuring that the medium performs as intended for a specific primary cell type.
A typical kit includes a basal medium, a cell-specific growth supplement, an antibiotic component where appropriate, and fetal bovine serum (FBS) or an equivalent supplement when required. The components are designed to be combined directly according to the manufacturer's instructions, reducing preparation errors and improving consistency between experiments.
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<h2 data-path-to-node="5">What you will find:</h2>
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Tissue-specific primary cell culture medium kits
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Specialized growth media for endothelial and epithelial cells
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Workflow systems for thawing, plating, and maintenance of hepatocytes&nbsp;
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Differentiation media for progenitor and stem cells&nbsp;
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Serum-free bioprocessing and cryopreservation reagents
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Targeted fibroblast, smooth muscle, and myocyte growth kits
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<h2 data-section-id="1nip7jz" data-start="1066" data-end="1116">How to choose a primary cell culture medium kit</h2>
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Match the kit to the cell type
Primary cells have highly specialized nutritional and signaling requirements. Kits are available for endothelial cells, hepatocytes, astrocytes, epithelial cells, fibroblasts, stem cells, and many other cell types. Selecting a kit specifically designed for the target cell type is essential for maintaining normal cellular function and morphology.
Serum-containing vs. serum-free formulations
Traditional kits often include FBS as a source of growth factors and nutrients. Serum-free and xeno-free kits replace animal-derived components with defined supplements, reducing variability and supporting applications that require animal-component-free culture conditions.
Complete kit convenience
Most kits provide all major components needed to prepare complete culture medium. This eliminates the need to source multiple reagents individually and helps ensure that supplements are used at the correct concentrations.
Antibiotic inclusion
Many primary cell culture kits include antibiotics to reduce contamination risk during routine culture. However, some specialized formulations, particularly those designed for immune cells and mononuclear cells, are intentionally supplied without antibiotics because these additives can influence cellular responses and experimental outcomes.
Storage and preparation
Kit components are typically stored separately until needed. Basal media and supplements are usually refrigerated, while serum components may require frozen storage before use. Once mixed into complete medium, shelf life is generally shorter than that of the individual components, making it advisable to prepare only the amount needed for near-term use.
Specialized differentiation systems
Some kits are designed not only for maintenance but also for cellular differentiation. These systems may include multiple supplements added sequentially throughout a protocol to guide stem cells or progenitor cells through defined developmental stages.
<h2 data-section-id="dydsco" data-start="3131" data-end="3173">&nbsp;</h2>
<h2 data-section-id="1fljvas" data-start="4061" data-end="4086">Specifications context</h2>
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Primary cell culture medium kits are commonly supplied in a format consisting of a basal medium bottle accompanied by concentrated supplements and serum components that are added directly before use. This approach simplifies preparation while ensuring that all components have been optimized and tested together.
<a href="https://mbpinc.net/contact-us" title="Contact the expert team at MBP">Contact the expert team at MBP</a> today and get optimized primary cell culture medium kits for your lab.

Primary Cell Culture Medium kits

Flyer

Preadipocyte Medium Kit

Appearance

Disclaimer

PriGrow C Medium

<h2>What is PriGrow Media?</h2>
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PriGrow Media is a proprietary series of basal cell culture media developed and distributed by MBP in partnership with ABM (Applied Biological Materials), where each individual PriGrow formulation, such as PriGrow I, PriGrow IV, or PriGrow X, has a distinct composition of HEPES and bicarbonate buffers, nutrient concentrations, and basal supplements specifically optimized to support the growth of a defined set of specialized cell lines or primary cell types. Unlike standard media like DMEM or RPMI that are broadly formulated for a wide range of cell lines, each PriGrow formulation is a targeted solution for cell types that do not grow well, or grow inconsistently, in standard mammalian cell culture media.
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<h2 dir="ltr">What you will find:</h2>
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Endothelial and epithelial formulations optimized to preserve critical barrier functions and&nbsp;unique physiological phenotypes in specialized vascular cell lines.
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Myogenic media for the smooth and skeletal muscle cells in vitro proliferation, functional maintenance, and structural preservation
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Hepatic induction systems for supporting liver cell research, drug metabolism profiling, and long-term functional assays.
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Serum-free, chemically defined solutions for regulation of multi-lineage differentiation, progenitor line expansion, and high-yield recovery after thawing.
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<h2>How to use PriGrow Media</h2>
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Identify the correct PriGrow variant for your cell type
Each MBP primary or specialized cell line product lists the recommended PriGrow variant in its data sheet. Using the wrong variant may result in suboptimal growth or inconsistent results, so matching the variant to the cell type is the critical first step.
Add FBS at 10% to make the basal PriGrow medium into complete media
PriGrow media are supplied as serum-free basal media and must be supplemented with 10% fetal bovine serum to provide the growth factors, carrier proteins, and lipid supplements that cells require for robust growth. Simply adding FBS at 10% of the final volume to the PriGrow basal medium produces complete media ready for use.
Optionally add antibiotics to complete PriGrow media
Penicillin-streptomycin with or without amphotericin B can be added to complete PriGrow media to reduce contamination risk, though antibiotic-free culture is standard in many labs to avoid masking low-level contamination and maintain cell health in long-term culture.
Warm PriGrow media to 37&deg;C before adding to cells
Like all cell culture media, PriGrow basal media and complete PriGrow media should be pre-warmed in a water bath at 37&deg;C before use to avoid cold-shock stress on cells that could affect growth and viability during media changes or passaging.
Maintain cultures at 37&deg;C under 5% CO₂
PriGrow media are formulated for standard mammalian cell culture conditions of 37&deg;C and 5% CO₂, which maintains physiological pH in the bicarbonate-buffered medium, unless the specific cell type protocol calls for different conditions.
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<h2>Specifications context</h2>
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PriGrow media contain phenol red as a standard pH indicator and are provided as serum-free basal media, with each formulation's HEPES and bicarbonate buffer ratios, nutrient levels, and supplemental additives matched to the cell types it is optimized for. As of 2026, specialized primary cell media like PriGrow remain a distinct product category from standard broad-spectrum media, since primary cells and cell-type-specific in vitro models require media compositions that better match in vivo nutritional conditions than DMEM or RPMI provides.
<a href="https://mbpinc.net/contact-us">Contact the expert team </a>at MBP today and get high-quality PriGrow media for your lab.

PriGrow Media

PriGrow LXX

Prigrow CI Medium

Endotoxin Level

Osmolarity

TM001-MSDS

TM001-JRP030-6-Certificate of Analysis\n

TM001-JRR054-6-Certificate of Analysis

Prigrow I Medium

TM001 by ABM (Applied Biological Materials) — PriGrow I Medium, 500 mL serum-free and antibiotic-free basal cell culture medium. pH 7.15–7.25, osmolarity 270–310 mOsm/kg H₂O, endotoxin ≤1 EU/mL. Lot-tested for sterility, pH, osmolality, endotoxin, and cell performance. Store at 2–8°C.

Caution

Prigrow II Medium

Prigrow II Medium (TM002) by Applied Biological Materials (ABM) is a 500 mL serum-free, antibiotic-free cell culture medium for primary mammalian cells. pH 7.0–7.6, osmolarity 264–292 mOsm/kg, endotoxin ≤1 EU/mL. QC tested for sterility, pH, osmolarity, endotoxin, adherence rate, morphology, and metabolic activity. Stored at 2–8°C.

TM003 - MSDS

Prigrow III Medium

TM003 by Applied Biological Materials is Prigrow III Medium (500 mL), a serum-free, antibiotic-free mammalian cell culture medium with lot-tested pH 7.0–7.4, osmolarity 315–350 mOsm/kg, and endotoxin ≤1 EU/mL — qualified per lot for sterility, morphology, and cellular metabolism.

Prigrow IV Medium

PriGrow IV Medium (TM004) by Applied Biological Materials is a serum-free, antibiotic-free specialty basal medium for immortalized human endometrial stromal cells, with pH 7.0–7.6, osmolarity 287–317 mOsm/kg, and endotoxin &le; 1 EU/mL.

Prigrow IX Medium

TM019 by Applied Biological Materials is Prigrow IX Medium, a 500 mL serum-free, antibiotic-free basal medium with phenol red, for mammalian primary cell culture — lot-confirmed pH 7.0–7.4, osmolarity 290–318 mOsm/kgH₂O, and endotoxin ≤1 EU/mL.

Prigrow V Medium

Prigrow V Medium TM015 by ABM: 500 ml serum-free, antibiotic-free basal medium for mammalian cell culture. pH 6.95–7.15, osmolarity 270–305 mOsm/kgH2O, endotoxin ≤0.25 EU/ml. Lot-tested for sterility, pH, osmolality, and endotoxin. Store at 2–8°C. Research use only.

Prigrow VI Medium

TM016 by Applied Biological Materials is Prigrow VI Medium (500 mL), a serum-free, antibiotic-free mammalian cell culture medium with lot-tested pH 7.0–7.4, osmolarity 306–346 mOsm/kg, and endotoxin ≤0.05 EU/mL — qualified per lot for sterility, morphology, and cellular metabolism.