Dana Martinez

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Questions related from Dana Martinez

Amino acid analysis: Ninhidryn vs GC-MS ?

We extracted free amino acids (aa) from leaf tissue, using the 80-60-40% alcohol extraction method. Then quantified aa from the same samples by the Ninhidryn method and by GC-MS. The quantitation...

07 June 2023 1,350 1 View

Plant amino acid analysis. GC MS vs Ninhydrin?

Has someone quantified the same pool of samples by both methods? How well do they correlate? Thanks

30 May 2023 8,838 0 View

Problem adjusting pH for MS for plant cell culture?

We'been preparing B5 media for plant cell culture (MS + Gamborg vit+ 3% sucrose) with and without agar, adjusting with KOH to pH 5.7. We noticed that the pH changes after autoclaving, around 0.7...

25 May 2023 765 2 View