BufferCalc

BufferCalc calculates thermodynamically corrected compositions and recipes for monoprotic buffers, accounting for temperature and ionic strength to enable precise pH control in biological experiments.


Key Features:

  • Thermodynamic Corrections: Calculates pH and component adjustments for monoprotic buffers using corrections for temperature and ionic strength.
  • Parameter Specification: Accepts user-specified buffer species, desired pH, temperature, ionic strength, and choice of counter-ion to maintain a fixed ionic strength.
  • Recipe Generation: Computes detailed buffer recipes including specific component weights and quantities required for preparation.
  • Extensible Buffer Library: Structured to allow addition of new buffer entries to the existing buffer collection.

Scientific Applications:

  • Enzyme Kinetics: Provides thermodynamically corrected buffers for experiments requiring precise pH control in enzyme activity measurements.
  • Protein Purification: Produces buffer compositions optimized for maintaining pH under experimental temperature and ionic strength conditions during purification workflows.
  • Molecular Biology Experiments: Supplies accurately corrected buffer recipes for molecular biology protocols sensitive to pH, temperature, and ionic strength.

Methodology:

Integrates user-defined parameters into a computational framework that calculates thermodynamic corrections for temperature and ionic strength and derives component quantities and weights for monoprotic buffer recipes.

Topics

Details

Maturity:
Mature
Cost:
Free of charge
Tool Type:
web application
Programming Languages:
Other
Added:
5/9/2025
Last Updated:
5/9/2025

Operations

Data Inputs & Outputs

Calculation

Publications

Beynon RJ. A Macintosh Hypercard stack for calculation of thermodynamically-corrected buffer recipes. Bioinformatics. 1988;4(4):487-490. doi:10.1093/bioinformatics/4.4.487. PMID:3208185.