Biolog offers determination and quantification of the bacterial second messengers (p)ppGpp by mass spectrometric analytics. Detectable concentrations depend on the matrix present, but can be as low as 0.5 pmol/sample for ppGpp and 1 pmol/sample for pppGpp. Related Reference: Ihara et al., J. Plant Res., 128, 511-518 (2015).

For a corresponding offer, please inquire with details of your biosystem.