Klaus Mummenhoff

6 Questions 2 Answers 0 Followers

Questions related from Klaus Mummenhoff

We are searching for an (redox) indicator dye to assess yeast metabolism that works in a pH range from 4 – 7?

We developed a rapid viability test for plant seeds in which yeasts metabolize organic compounds that leach from seeds (dependent on the physiological age of the seed) and thereby reduce our...

02 February 2024 2,762 2 View

Can someone recommend a reliable App to support determination of central European fungi?

There are quite reliable Apps for the determination of vascular plants, but what about fungi/mushrooms?

01 June 2021 4,061 3 View

I am looking for a buffer system maintaining a pH range of 6.1 – 6.7 which does not interact with the metabolism of yeast included in the solution??

I am looking for a buffer system maintaining a pH range of 6.1 – 6.7 which does not interact with the metabolism of yeast cells included in the reaction solution (positive and negative interaction).

28 May 2021 4,255 3 View

What colour is a resorufin solution at pH < 6.1?

The redox dye resazurin (dark blue) can be reduced in aqueous solution at pH > 6.1 via resorufin (pink) to dihydroresorufin (colourless). What colour is the resorufin solution at pH < 6.1?

22 January 2021 8,579 2 View

Does anyone have experience with non-destructive seed viability testing?

13 August 2020 7,397 3 View

We use Thermo Scientific Superfrost plus gold coated slides. Why our cryo sections of dry fruits do not stick to the slides?

14 January 2020 1,392 1 View