FluxMPS™ Waymouth MB 752/1 Medium

Product#: WaymouthMedium
$0.00

Select WaymouthMedium

  • see the table below

Availability:
Ships in 48 hours

Cell Culture Media
Developed by Charity Waymouth, Jackson Laboratory, 1959

FluxMPS™ Waymouth MB 752/1 Medium

FluxMPS™ Waymouth MB 752/1 Medium is a 1X liquid, ready-to-use formulation of the chemically defined, synthetic basal medium developed in 1959 by Charity Waymouth at the Jackson Laboratory, Bar Harbor, Maine, for the cultivation of mouse L cells, NCTC clone 929. Waymouth's medium is a comparatively simple medium with fewer ingredients than its other synthetic counterparts, comprising amino acids, vitamins, the purine base hypoxanthine, salts, and glucose. This medium can be used for culturing many fastidious cell lines and also whole organ culture.

  • 2 configurations: with L-Glutamine and Sodium Bicarbonate (standard), and without Sodium Bicarbonate, each independently toggling L-Glutamine, Sodium Bicarbonate, HEPES, and Phenol Red
  • AL091A is Waymouth Medium MB 752/1 with L-glutamine and sodium bicarbonate
  • 5.0 g/L standard glucose concentration — the highest glucose level of any classical cell culture medium
  • A 40-component formulation: 18 amino acid entries, 11 vitamins (including ascorbic acid, vitamin B12, and biotin), a distinctive dual-magnesium / dual-phosphate inorganic salt set, the purine base hypoxanthine, and reduced glutathione
  • Purified through FluxMPS™ quadruple-stage 0.1 micron / 0.04 micron filtration, engineered for organ-on-chip (OoC), tissue-on-chip (ToC), and lab-on-chip (LoC) microfluidic platforms
  • Used for serum-free NCTC clone 929 (L929) mouse fibroblast culture, whole-organ culture (trachea, fetal lung, bladder), carcinoma cell line establishment from malignant effusions, and mouse oocyte culture research
  • Available in 500 mL and 1000 mL sizes; store at 2-8°C protected from light; users are advised to review the literature for recommendations regarding medium supplementation and physiological growth requirements specific for different cell lines; every standard concentration and additive is customizable on request
DCP-WMBM-SERIES
FluxMPS™ Waymouth Medium MB 752/1 — 1X Liquid
  • Concentration1X
  • Glucose5.0 g/L
  • Configurable supplementsL-Glutamine / Sodium Bicarbonate / HEPES / Phenol Red
  • FiltrationFluxMPS™ quadruple-stage, 0.04 micron final
  • Sizes500 mL, 1000 mL
  • Storage2-8°C, protected from light
RUO Waymouth 1959 Foundational Customizable
Product Configuration

At-a-Glance Supplement Matrix

Please select the supplement(s) of interest, then click Search. Every matching configuration lights up below. Click the catalog number or the View button to go straight to that product page.

Filter by included supplements
 
Waymouth Medium MB 752/1 — 2 Configurations
At-a-glance supplement matrix — click to view product page.
Name Cat No. L-Glutamine Sodium Bicarbonate HEPES Phenol Red Product Page
Waymouth Medium MB 752/1, w/ L-Glutamine and Sodium Bicarbonate DCP-WMBM1X check check remove check Viewarrow_forward
Waymouth Medium MB 752/1, w/o Sodium Bicarbonate DCP-WMBM-B1X check remove remove check Viewarrow_forward
Customization: 1X standard concentration. 5.0 g/L standard glucose concentration. Other concentrations, additions of chemicals, compounds, proteins, supplements, a different pH, and modifications are available on request — contact support@diagnocine.com.
About Waymouth MB 752/1

Waymouth MB 752/1

Waymouth Medium MB 752/1 is a chemically defined, synthetic basal medium developed in 1959 by Charity Waymouth at the Jackson Laboratory, Bar Harbor, Maine, for the serum-free cultivation of mouse L-strain fibroblast sublines (NCTC clone 929, L929). It was designed not merely to sustain survival but to achieve rapid proliferative growth in the complete absence of serum or protein supplement, a goal that distinguished it from the Eagle-lineage media and placed it among the earliest fully defined synthetic media capable of supporting continuous mammalian cell passage. The formulation contains 40 components: 18 amino acids, 11 vitamins (including ascorbic acid, vitamin B12, and biotin), a distinctive dual-magnesium / dual-phosphate inorganic salt set, the purine base hypoxanthine, reduced glutathione, and an exceptionally high glucose concentration of 5000 mg/L (27.8 mM), the highest of any classical cell culture medium. Beyond its founding application in L929 fibroblast biology, Waymouth MB 752/1 has been adopted for whole-organ culture, establishment of carcinoma cell lines from malignant effusions, surfactant-biosynthesis studies in fetal lung explants, tracheal epithelial differentiation, and bladder organ culture. Its defining compositional signature is a combination of features not found together in any other classical medium: the highest choline chloride content (250 mg/L), the highest thiamine (10 mg/L), the highest glucose (5000 mg/L), a dual-magnesium salt system (MgCl2 + MgSO4), the preformed purine hypoxanthine, and ascorbic acid, all in a protein-free, lipid-free synthetic matrix.

Origins and Development

Charity Waymouth and the Jackson Laboratory

Charity Waymouth (1915-2002) was a British-born cell biologist educated at the Universities of London and Aberdeen, who spent the majority of her career at the Jackson Laboratory in Bar Harbor, Maine. Her research centered on the nutritional, metabolic, and growth requirements of mammalian cells in vitro, approached with the objective of understanding what a cell truly requires at the molecular level, rather than simply supplying serum as an undefined supplement.

NCTC Clone 929 (L929): The Target Cell Line

The mouse L strain was originally derived from normal subcutaneous areolar and adipose tissue of a 100-day-old male C3H/An mouse by W. R. Earle at the National Cancer Institute in 1940. NCTC clone 929, the specific subline for which Waymouth's medium was developed, was cloned from the 95th subculture generation of the parent strain by K. K. Sanford in March 1948 using single-cell capillary isolation; it was the first cloned mammalian cell strain ever established. L929 is a fibroblast-like, immortalized cell that proliferates rapidly and is widely used as a model for fibroblast biology, cytotoxicity testing, M-CSF production for bone-marrow macrophage differentiation, and viral replication studies.

The 1959 Paper and the MB Numbering System

Waymouth published the foundational formulation in the Journal of the National Cancer Institute: Waymouth, C. (1959), "Rapid proliferation of sublines of NCTC clone 929 (strain L) mouse cells in a simple chemically defined medium (MB 752/1)," JNCI 22(5): 1003-1017 (PMID 13655076; DOI 10.1093/jnci/22.5.1003). The designation "MB 752/1" follows Waymouth's internal sequential medium-numbering system from her screening series; the precise expansion of "MB" is not definitively documented. The paper reported that L929 sublines in this 40-component defined solution underwent more than 30 passages in continuous rapid proliferative growth, with populations increasing 7.5- to 8.5-fold from an inoculum of 2-3 x 10^5 cells/mL over 8 days, equivalent to roughly a 24-hour doubling time. This was significant because prior attempts to culture mammalian cells in fully synthetic, protein-free media had either failed after a few passages or resulted in grossly suboptimal growth.

Relation to the Broader Medium Lineage

Waymouth MB 752/1 does not descend from the Eagle lineage (BME to MEM then to DMEM). It was developed independently at the Jackson Laboratory as an empirically optimized formulation for L929, drawing on published knowledge of amino acid and vitamin requirements but designed de novo rather than as a modification of any existing formulation. It therefore represents a parallel branch in the classical-medium family tree optimized for serum-free fibroblast proliferation rather than adherent epithelial monolayers (Eagle), suspension lymphoid cultures (RPMI), or high-density hematopoietic proliferation (IMDM). Compositionally, it resembles Medium 199 and CMRL 1066 in its comprehensive, multi-category approach, reflecting the goal of full nutritional sufficiency without serum. Users are advised to review the literature for recommendations regarding medium supplementation and physiological growth requirements specific for different cell lines.

Lineage

Waymouth MB 752/1 in the Classical Medium Family Tree

  • BME / Eagle Lineage (Eagle, 1955 onward) — MEM, DMEM, and derivatives, optimized for adherent epithelial and fibroblast monolayer culture. Waymouth MB 752/1 does not descend from this lineage.
  • RPMI 1640 (Moore et al., Roswell Park, 1966/1967) — a McCoy's 5A-derived medium optimized for suspension lymphoid culture; a separate branch from Waymouth.
  • CMRL series (Parker et al., Medium 199 1950, CMRL 1066 1957) — maximal-complexity defined synthetic media; compositionally, Waymouth MB 752/1 resembles this group in its comprehensive, multi-category nutrient approach (ascorbic acid, B12, hypoxanthine, glutathione), though independently developed.
  • Waymouth MB 752/1 (Charity Waymouth, Jackson Laboratory, 1959) — an independently, empirically designed formulation for serum-free rapid proliferation of NCTC clone 929 (L929) mouse fibroblasts, drawing on published amino acid and vitamin requirement knowledge but built de novo rather than as a modification of BME, RPMI, or CMRL. It represents a parallel branch optimized for serum-free fibroblast proliferation, whole-organ culture, and fastidious cell lines rather than the adherent, suspension, or hematopoietic applications of the other classical lineages.
Composition

Waymouth MB 752/1 Standard Formulation Reference

The tables below reproduce the canonical Waymouth MB 752/1 formulation as published in the source formulation record. All values are as stated in the source; no additional numeric values are implied for any specific catalog number beyond what is stated here and in the supplement matrix above.

Ingredient mg/L
Calcium chloride dihydrate (CaCl2.2H2O) 120.000
Magnesium chloride, anhydrous (MgCl2) 112.560
Magnesium sulfate, anhydrous (MgSO4) 97.720
Potassium chloride (KCl) 150.000
Potassium phosphate monobasic (KH2PO4) 80.000
Sodium bicarbonate (NaHCO3) 2240.000
Sodium chloride (NaCl) 6000.000
Sodium phosphate dibasic, anhydrous (Na2HPO4) 300.000
Amino Acid mg/L
Glycine 50.000
L-Arginine hydrochloride 75.000
L-Aspartic acid 60.000
L-Cysteine hydrochloride monohydrate 90.000 (~61 as free base)
L-Cystine dihydrochloride 19.550
L-Glutamic acid 150.000
L-Glutamine 350.000
L-Histidine hydrochloride monohydrate 150.000 (~128 as free base)
L-Isoleucine 25.000
L-Leucine 50.000
L-Lysine hydrochloride 240.000
L-Methionine 50.000
L-Phenylalanine 50.000
L-Proline 50.000
L-Threonine 75.000
L-Tryptophan 40.000
L-Tyrosine disodium salt dihydrate 57.660
L-Valine 65.000
Vitamin mg/L
Ascorbic acid (Vitamin C) 17.500
D-Biotin 0.020
Choline chloride 250.000
D-Calcium pantothenate 1.000
Folic acid 0.400
myo-Inositol 1.000
Niacinamide (Nicotinamide) 1.000
Pyridoxine hydrochloride 1.000
Riboflavin 1.000
Thiamine hydrochloride 10.000
Vitamin B12 (Cyanocobalamin) 0.200
Other Components Amount
D-Glucose (Dextrose) 5000.000 mg/L (~27.8 mM)
Glutathione (reduced, GSH) 15.000 mg/L
Hypoxanthine (as sodium salt) 29.000 mg/L (~25 free base, ~0.18 mM)
Phenol red sodium salt 11.000 mg/L

The salt set has two features that distinguish it from all other classical media: a dual-magnesium system (both MgCl2 and MgSO4) and a dual-phosphate system (both monobasic KH2PO4 and dibasic Na2HPO4). No iron source is included; iron is supplied only by serum. No sodium pyruvate is present in the standard base. No lipid components (no cholesterol, Tween 80, or fatty acids) are included, distinguishing it from Medium 199 and CMRL 1066; a lipid or serum supplement is advisable for lipid-auxotrophic cells. At 2.24 g/L NaHCO3 and 5% CO2, the medium equilibrates to pH 7.1-7.7. The higher osmolality with bicarbonate (305-345 mOsm/kg) versus the bicarbonate-free powder (240-280 mOsm/kg) reflects the osmotic contribution of NaHCO3 at this glucose concentration.

Comparison

Waymouth MB 752/1 vs. Classical Media

Feature Waymouth MB 752/1 DMEM (High-Glucose) RPMI 1640 Medium 199 CMRL 1066
Developer & year Charity Waymouth - Jackson Lab, 1959 Dulbecco & Freeman, 1959 Moore et al. - Roswell Park, 1966/1967 Morgan, Morton & Parker - CMRL, 1950 Parker et al. - CMRL, 1957
Lineage Independent (Jackson Lab empirical design) Eagle BME derivative McCoy's 5A derivative CMRL original CMRL series
Total components 40 (original paper) ~35 ~47 ~58 ~58
Primary design goal Serum-free rapid L929 proliferation Adherent monolayer culture Suspension lymphoid culture Universal defined synthetic Maximum defined complexity
Amino acids (entries) 18 (dual cysteine/cystine) 15 20 21 19
Vitamins (count) 11 (incl. ascorbate, B12, biotin) 8 11 17 12
Ascorbic acid 17.500 mg/L Absent Absent Present Present
Vitamin B12 0.200 mg/L Absent 0.005 mg/L Absent 0.001 mg/L
Thiamine 10.000 mg/L 1.000 mg/L 1.000 mg/L 0.010 mg/L 0.040 mg/L
Choline chloride 250.000 mg/L 4.000 mg/L 3.000 mg/L 0.500 mg/L 0.500 mg/L
Reduced glutathione 15.000 mg/L Absent 1.000 mg/L 0.050 mg/L 10.000 mg/L
Hypoxanthine 29.000 mg/L (sodium salt) Absent Absent 0.300 mg/L 0.300 mg/L
Glucose 5000 mg/L (~27.8 mM) 4500 mg/L (25 mM) 2000 mg/L (11.1 mM) 1000 mg/L (5.5 mM) 1000 mg/L (5.5 mM)
Sodium pyruvate Absent Optional (110 mg/L) Absent (standard) Absent Absent
Magnesium MgCl2 + MgSO4 (dual) MgSO4 only MgSO4 only MgSO4 only MgSO4 only
Phosphate system KH2PO4 + Na2HPO4 (dual) NaH2PO4 only Na2HPO4 only NaH2PO4 only NaH2PO4 only
Iron source None (serum-dependent) Fe(NO3)3.9H2O None Fe(NO3)3.9H2O None
NaHCO3 2240 mg/L 3700 mg/L 2000 mg/L 2200 mg/L 2200 mg/L
pH (with NaHCO3) 7.10-7.70 ~7.2 7.0-7.4 7.2 7.2
Osmolality (with NaHCO3) 305-345 mOsm/kg 320-355 mOsm/kg 255-310 mOsm/kg 310-350 mOsm/kg 270-330 mOsm/kg
Serum for routine culture 5-10% FBS (or serum-free + supplements) 10% FBS 10% FBS 10% FBS 10% FBS
Cholesterol Absent Absent Absent 0.200 mg/L Absent
Fat-soluble vitamins Absent Absent Absent A, D2, E, K3 Absent
Preformed purines Hypoxanthine None None Adenine, hypoxanthine Adenine sulfate, hypoxanthine
Coenzymes None None None None CoA, FAD, TPP, NAD, NADP
Primary validated cell L929 mouse fibroblast (serum-free) HEK293, MEFs Jurkat, PBMCs, hybridomas Chick embryo fibroblasts, oocytes Pancreatic islets
Key organ-culture use Trachea, fetal lung, bladder Not used Not used General Pancreas, islet

Waymouth MB 752/1: Charity Waymouth, Jackson Laboratory, 1959. DMEM: Dulbecco & Freeman 1959. RPMI 1640: Moore, Gerner & Franklin, Roswell Park, 1966/1967. Medium 199: Morgan, Morton & Parker, CMRL, 1950. CMRL 1066: Parker et al., CMRL, 1957.

Platform Advantage

Why FluxMPS™

filter_alt

Quadruple-Stage Purity

Every FluxMPS™ Waymouth MB 752/1 configuration is purified to 0.04 microns — finer than any ready-to-use cell culture media currently available — before it ever reaches your chip.

device_hub

Engineered for Microfluidics

Designed from the ground up for Organ-on-Chip (OoC), Tissue-on-Chip (ToC), and Lab-on-Chip (LoC) platforms, where the medium itself is part of the instrument.

blur_off

Particulate & Aggregate Removal

The quadruple-stage architecture eliminates microscopic particulates and protein aggregates that silently block micro-channels and disrupt laminar flow — a particular concern for serum-free, fastidious cultures.

visibility

Optical Clarity

Optical clarity supports real-time imaging and integrated biosensing on Organ-on-Chip platforms without background interference.

verified

Regulatory-Aligned Foundation

Formulated to support FDA-recognized physiological modeling standards, providing a validated, reproducible media foundation as downstream data moves toward regulatory scrutiny.

science

Translational Research Ready

A single, consistent media platform supporting drug discovery, toxicology screening, and translational research from bench through preclinical modeling.

Manufacturing

Quadruple-Stage Filtration

Every FluxMPS™ Waymouth MB 752/1 batch passes through a four-stage filtration train before final fill, engineered specifically for microfluidic cell culture applications.

  1. 1

    0.1 µmPre-filtration Stage One

    Bulk particulate reduction prior to sterile filtration.

  2. 2

    0.1 µmPre-filtration Stage Two

    Second-pass pre-filtration to protect the downstream sterile filters and extend their working life.

  3. 3

    0.04 µmSterile Filtration Stage One

    First sterile-filtration pass at 0.04 microns — finer than any ready-to-use cell culture media currently available.

  4. 4

    0.04 µmSterile Filtration Stage Two

    Second sterile-filtration pass, eliminating microscopic particulates and protein aggregates before final fill.

Built for Continuous Flow

Zero-clogging performance across complex micro-channel geometries and long-term automated perfusion studies running continuously for weeks.

4
Filtration stages
0.04µm
Final sterile-filtration rating
FluxMPS™ Waymouth MB 752/1 Medium Quadruple-stage filtration system diagram - two 0.1 micron pre-filtration stages followed by two 0.04 micron sterile-filtration stages, engineered for organ-on-a-chip (OoC), tissue-on-a-chip (ToC), and lab-on-a-chip microfluidic cell culture media applications by Diagnocine.
Validated Applications

Validated Cell Lines & Applications

This medium can be used for culturing many fastidious cell lines and also whole organ culture. Users are advised to review the literature for recommendations regarding medium supplementation and physiological growth requirements specific for different cell lines.

Founding Application

L929 Mouse Fibroblasts (Serum-Free)

The founding and defining application is the serum-free culture of NCTC clone 929 (L929) sublines, maintained for more than 30 consecutive serum-free passages in Waymouth's original experiments, with a ~24-hour doubling time and a 7.5- to 8.5-fold population increase over 8 days. The medium is also used with 5-10% FBS for routine L929 maintenance.

Organ Culture

Rat Trachea Organ Culture

Serum-free, vitamin A-free Waymouth MB 752/1 selectively induces squamous metaplasia (keratinizing differentiation) of tracheal mucociliary epithelium, while added serum preserves secretory mucociliary function and added retinol drives hypersecretory activity — an experimental standard for vitamin A-deficiency models in tracheal organ culture.

Organ Culture

Fetal Lung Organ Culture (Surfactant Biosynthesis)

In comparative studies of fetal-lung explant surfactant production, Waymouth MB 752/1 was among the media supporting the largest increases in surfactant-fraction phospholipids, outperforming RPMI 1640 and Medium 199, and was notably associated with net glycogen accumulation in vitro.

Organ Culture

Rat Bladder Organ Culture (Carcinogen Studies)

Transitional epithelial morphology of normal rat bladder is well maintained in serum-free Waymouth MB 752/1, whereas Ham's F-12 causes marked epithelial hyperplasia; carcinogen-induced hyperplastic states are faithfully maintained in vitro in Waymouth, making it a medium of choice for bladder carcinogenesis organ culture.

Oncology

Carcinoma Cell Line Establishment from Malignant Effusions

Waymouth MB 752/1 has been recommended for the initial primary culture of carcinoma cell lines from malignant pleural effusions and ascites, where the medium's richness — high glutamine, dual cysteine, glutathione, hypoxanthine, ascorbic acid, and elevated choline — supports initial attachment and clonal expansion before transfer to routine maintenance media.

Reproductive Biology

Mouse Oocyte Culture & Meiotic Regulation Research

Waymouth MB 752/1 is used in comparative reproductive-biology studies because of its distinctive interaction with hypoxanthine-mediated meiotic arrest: hypoxanthine-maintained arrest, effective in several media (MEM, Ham's F-10, L-15), is ineffective in Waymouth MB 752/1, and the addition of pyruvate restores arrest — making it a useful experimental variable for dissecting purine-cAMP-mediated meiotic checkpoint mechanisms. In comparative evaluations for human diploid skin fibroblast culture, Waymouth MB 752/1 supported strong proliferation in mass culture but gave lower plating efficiency than Eagle's MEM, DMEM, and Ham's F-12 for colony formation from small cell numbers.

Scientific Significance

Practical Considerations

biotech

Serum-Free Use

Waymouth MB 752/1 was designed for serum-free L929 culture and demonstrated continuous serum-free passage in the founding study. For other cell lines, serum-free use typically requires growth factors, transferrin, insulin, and albumin or a lipid supplement, since the medium lacks all protein, lipid, and hormonal factors. Because it contains no transferrin, iron delivery is serum-dependent in standard supplemented culture.

science

High Glucose & Osmolality

The 5000 mg/L glucose contributes substantially to osmolality. The osmotic contribution of 2.24 g/L NaHCO3 (vs. 3.7 g/L in DMEM) does not fully offset the extra glucose, so net osmolality with bicarbonate (305-345 mOsm/kg) is similar to or slightly above high-glucose DMEM. For osmotically sensitive cells, verify osmolality before use.

tune

Phenol Red & L929-Conditioned Medium

At 11 mg/L, phenol red matches DMEM and MEM and is higher than RPMI 1640 (5 mg/L); phenol-red-free preparations are available from some suppliers for steroid-hormone-receptor studies. In modern protocols for bone-marrow-derived macrophages, L929 cells are routinely maintained in DMEM + 10% FBS (not Waymouth), and their conditioned medium is collected as an M-CSF source; Waymouth MB 752/1 remains the reference medium for the original L929 cell biology.

inventory_2

Storage & Shelf Life

Liquid medium: 2-8°C, protected from light, 12-month shelf life. After serum supplementation, use within approximately 3 weeks.

FAQ

Frequently Asked Questions

Please select the supplement(s) of interest — L-Glutamine, Sodium Bicarbonate, HEPES, or Phenol Red — in the filter above, then click Search. Every configuration that includes all checked supplements is highlighted, and you can click straight through via the catalog-number link or the View button.
Yes. Every FluxMPS™ Waymouth MB 752/1 configuration is purified through a quadruple-stage filtration system down to 0.04 microns, designed specifically for Organ-on-Chip (OoC), Tissue-on-Chip (ToC), and Lab-on-Chip (LoC) platforms where the medium itself is part of the instrument.
Waymouth MB 752/1 was designed for serum-free culture and demonstrated continuous serum-free passage of L929 fibroblasts in the founding study, though it is also used with 5-10% FBS for routine maintenance. For other cell lines, serum-free use typically requires growth factors, transferrin, insulin, and albumin or a lipid supplement.
AL091A is Waymouth Medium MB 752/1 with L-glutamine and sodium bicarbonate, corresponding to the standard configuration in the matrix above.
D-Glucose at 5000 mg/L (27.8 mM) is the highest glucose concentration among classical media, reflecting the energy demands of serum-free, rapidly proliferating L929 fibroblasts, which rely heavily on glucose-derived carbon for both ATP and biosynthetic precursors, and was also intended to sustain populations between medium changes without glucose depletion.
Yes. Waymouth MB 752/1 has been used for rat trachea organ culture, fetal lung organ culture (surfactant biosynthesis studies), rat bladder organ culture (carcinogen studies), and has appeared in the historical literature for tracheal epithelium toxicity testing and prostate, thyroid, and lymph node organ culture.
Yes. The 1X concentration and 5.0 g/L glucose level shown here are standard values; other concentrations, additions of chemicals, compounds, proteins, supplements, a different pH, and other modifications are available on request at support@diagnocine.com.
This Waymouth MB 752/1 family is supplied in 500 mL and 1000 mL sizes. Store at 2-8°C, away from bright light. Liquid medium has a 12-month shelf life; after serum supplementation, use within approximately 3 weeks.
Bibliography

Verified References

  • Waymouth, C. (1959). Rapid proliferation of sublines of NCTC clone 929 (strain L) mouse cells in a simple chemically defined medium (MB 752/1). Journal of the National Cancer Institute, 22(5): 1003-1017. PMID 13655076. DOI 10.1093/jnci/22.5.1003.
  • Waymouth, C. (1956). A serum-free nutrient solution sustaining rapid and continuous proliferation of strain L (Earle) mouse cells. Journal of the National Cancer Institute, vol. 17.
  • Earle, W.R., et al. (1943). Production of malignancy in vitro. IV. The mouse fibroblast cultures and changes seen in the living cells. Journal of the National Cancer Institute, 4: 165-212.
  • Sanford, K.K., Earle, W.R. & Likely, G.D. (1948). The growth in vitro of single isolated tissue cells. Journal of the National Cancer Institute, 9(3): 229-246. PMID 18105872. DOI 10.1093/jnci/9.3.229.
  • Earle, W.R., Sanford, K.K., Evans, V.J., Waltz, H.K., & Shannon, J.E. Jr. (1951). The influence of inoculum size on proliferation in tissue cultures. Journal of the National Cancer Institute, 12(1): 133-153. PMID 14874126.
  • Sanford, K.K., Hobbs, G.L., & Earle, W.R. (1956). The tumor-producing capacity of strain L mouse cells after 10 years in vitro. Cancer Research, 16(2): 162-166. PMID 13293658.
  • Johnson, M.J. (1963). Amino acid utilization by 929-L fibroblasts in chemically defined media. Journal of the National Cancer Institute, 31: 611-625.
  • Thomas, J.A. & Johnson, M.J. (1967). Trace metal requirements of NCTC clone 929 strain L cells. Journal of the National Cancer Institute, 39: 337-345.
  • Eppig, J.J. & Downs, S.M. (1987). The effect of hypoxanthine on mouse oocyte growth and development in vitro: maintenance of meiotic arrest and gonadotropin-induced oocyte maturation. Developmental Biology, 119: 313-321.
  • Eppig, J.J. & Hosoe, M. (1997). Culture conditions affect meiotic regulation in cumulus cell-enclosed mouse oocytes. Molecular Reproduction and Development, 46(4): 551-566.
  • Yao, T. & Asayama, Y. (2017). Animal-cell culture media: history, characteristics, and current issues. Reproductive Medicine and Biology, 16(2): 99-117. PMID 29259457. PMC5661806.
FluxMPS™ Platform

FluxMPS™ — Precision Cell Culture Media for Microphysiological Systems

Built for the architecture of the future. Not the flask of the past.

Traditional cell culture media were formulated for static well plates and flasks — environments that tolerate impurities, precipitates, and particle loads that would immediately compromise a microfluidic system. FluxMPS™ was designed from the ground up for Organ-on-Chip (OoC), Tissue-on-Chip (ToC), and Lab-on-Chip (LoC) platforms, where the medium itself is part of the instrument.

Purity That Protects Your Platform

FluxMPS™ is purified to 0.04 microns — finer than any ready-to-use cell culture media currently available. At this level, the microscopic particulates and protein aggregates that silently block micro-channels, disrupt laminar flow, and generate false biological signals are eliminated before the media ever reaches your chip.

The result: your platform stays operational, your data stays clean, and your biology drives the result — not your media.

Engineered for Flow, Not Just Growth

The name FluxMPS™ reflects its core design principle. Every component is optimized for consistent, laminar flow performance across:

  • Complex micro-channel geometries
  • Capillary-bed and vascular simulations
  • Long-term automated perfusion studies running continuously for weeks

Zero-clogging performance is not a feature — it is the baseline specification.

Applications & Performance

Application What FluxMPS™ Delivers
Microfluidics Stable shear stress; no channel blockage
Metabolic Tracing Ultra-pure matrix with no contaminant interference
Long-term Perfusion Consistent formulation stability over weeks of continuous flow
Organ-on-Chip Optical clarity for real-time imaging and integrated biosensing

Regulatory Foundation

FluxMPS™ is formulated to support FDA-recognized physiological modeling standards, providing a validated, reproducible media foundation for drug discovery, toxicology screening, and translational research. When your downstream data needs to stand up to regulatory scrutiny, your upstream media cannot be an afterthought.

The Bottom Line

Microfluidic platforms are precision instruments. They require precision inputs.

FluxMPS™ is the only ready-to-use cell culture medium engineered specifically to meet that standard — protecting your chip, your cells, and your science.

Satisfaction
Quality Rating
Value Rating
Style Rating
X