Kariche Sihem

4 Questions 11 Answers 0 Followers

Questions related from Kariche Sihem

Hydroxamique acids and biological activities ?

Hello; we have purified a new molecule, a hydroxamic acid, which has demonstrated very remarkable antibacterial activity. we synthesized the molecule itself, but the latter did not demonstrate any...

18 July 2025 2,828 11 View

Fixation protocol of spermatozoa cell for microscopy and temperature storage and duration maximum for conserving the samples.........................?

How can I fix spermatozoa (SPZ) samples for scanning electron microscopy (SEM) analysis, while preserving their integrity after treatment with different concentrations of essential...

13 April 2025 6,617 2 View

The microbial limit tests for herbal preparation in the Food and Drug?

Hello , What are the accepted microbial limits (in CFU) for herbal medicinal preparations, hydrosols, and vinegars intended for human use? Please provide specific information about the limits for...

14 March 2025 9,262 2 View

Hydrosole sterilization methods?

Good evening I wonder if there is a solution to sterilize my plant hydrosol without altering the compounds.The first microbiological control test showed contamination likely originating from the...

22 February 2025 1,902 9 View