9 Questions 28 Answers 0 Followers
Questions related from Hicham Mechqoq
dear colleagues, I'm doing a GC-MS analysis of presilylated extracts with BSTFA (essentially polyphenols) and i want to determinate an Index to compare with adams book (2007), which index should I...
10 October 2019 4,288 2 View
Dear colleagues I have made two ways ANOVAs and post hoc tests, I have obtained the ANOVA's table (SCE, f & p values) with approximatively similar values but the entered responses were different,...
10 October 2019 2,328 8 View
Dear colleagues, I'm doing an HPTLC of several plant oils to compare their lipidic profiles, i have two protocoles the first one with sulfuric-vanillic acid, the second with phosphomolibdic acid....
09 September 2019 4,881 5 View
dear collegues, i would like to study the radical scavenging effect of some plant extracts against ABTS, and i would like to know if i can change the sodium persulfate with sodium sulfate and the...
07 July 2019 3,659 4 View
Dear collegues. I have analysed some extracts by GC-MS after sililation and i have obtained my report after comparing the results with the NIST database, Before doing more bibliographic...
03 March 2019 4,347 4 View
Dear collegues, I'm doing an HP-TLC of some extracts and would like to do an antioxydant screening on plate (DPPH-TLC or ABTS-TLC) I would like to know wich one is the best and why ??
01 January 2019 10,008 4 View
i'm doing TLCs and visualising my plates under 254nm & 366nm, I would like to know if it's possible to correlate the fluoresent colorations i obtain with families of secondary metabolites.
10 October 2018 8,245 6 View
After the use of paper hack tools such as sci-hub the majority of journals prefer the open-access format where the authors pay the publication to be shared. Do you think we ll still have pay to...
01 January 1970 9,537 3 View
dear colleagues. I would like to know what is the difference between SFE and hydrodistillation extracted essential oils, i have heard that SFE EO cannot be defined as essential oils according to...
01 January 1970 2,685 3 View