Cheat-Sheet Library
Printable single-page bench references. Download and pin to your hood.
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Fundamentals
SI Units and Prefixes
Every SI prefix from femto to mega, with the bench-range examples you actually pipette.
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Buffers
Common Buffer pKa Table
pKa at 25 degrees C, temperature coefficient, and useful pH range for ten common lab buffers.
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Equipment
Centrifugation g-force Conversion
Convert rotor RPM to RCF (x g) for common rotor radii, so protocols stay rotor-independent.
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Fundamentals
Serial Dilution Grid
Worked 10-fold and 2-fold serial dilution series, with the stock and diluent volumes for each tube or well.
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Cell biology
Physiological Ion Concentrations
Typical extracellular and intracellular ion levels for a mammalian cell, alongside standard DMEM culture medium for comparison.
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Molecular biology
PCR Troubleshooting Quick-Check
Ten common PCR failure patterns, their most likely cause, and the first fix to try before changing anything else.
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Molecular biology
Gel Loading Dyes
Tracking dye migration by gel type and percentage, plus the standard DNA and SDS-PAGE loading buffer recipes.
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General
Common Reagent Shelf Lives
Typical storage temperature and shelf life for reagents you will prepare, aliquot, or open often.
For the theory behind each reference sheet, see the chapter cited on the sheet itself in the Biotech Techniques Bible.