Buyer guide

Buyer Guides

Short, practical procurement guides for selecting cell culture media, sera, and reagents. Written for R&D managers and procurement teams making sourcing decisions.

How to Choose DMEM for Your Cell Line

Procurement guide for DMEM variants — glucose level, phenol red, additives.

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Serum-Free vs Serum-Containing Cell Culture Media

When to choose each, and what 'animal-component-free' adds.

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CHO Cell Culture Media Selection Guide

Chemically defined options for transient, stable, and bioprocess CHO workflows.

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MSC Expansion Media — Xeno-Free Comparison

Comparing MSC media for academic, GMP-readiness, and clinical work.

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Cross-Reference Guide — Switching Cell Culture Media Suppliers

What to verify when changing supplier — equivalence, specs, performance.

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Cell Culture Media Quality Criteria

Standard quality parameters — pH, osmolality, endotoxin, sterility, mycoplasma.

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DPBS Powder: Reconstitution and Pack Size

Powder, 10x or ready bottle: cost per litre, calcium and magnesium, and a reconstitution checklist.

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Collagenase Type II: Powder or Ready Solution

100 mg powder vs 1 mg/mL ready solution: cost per mg, cold chain, and the activity units trap.

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MEM Amino Acid Solutions: 50X and 100X

Volume per litre, which media already contain NEAA, and what ships cold or frozen.

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DMEM Powder: Reconstitution and Pack Conversion

One 100 L pack vs 500 mL bottles: what the pack leaves out, what you add, and when powder pays.

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MSC Extracellular Vesicle Collection Media

Depleted serum or serum-free collection medium, three EV media side by side, and what to ask a supplier.

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Reference library

The guides tell you which product to choose. The cell culture reference library explains what each medium, buffer and reagent is and how it is used at the bench. Longer write-ups are collected under technical papers.