Abdulelah Ahmed Thabet

8 Questions 17 Answers 0 Followers

Questions related from Abdulelah Ahmed Thabet

How to Find the perfect Journals to Publish your Papers (articles )?

Consult the journal’s Aims and Scope to select the appropriate journal that is likely to accept your work. These websites are useful to find the suitable journal for your...

01 January 2019 3,544 1 View

Which method is most suitable and accurate for screening anticancer activity of plant extract?

We want to screen pant extracts for anticancer activity by using cell culture or cell line. We are looking for the best and advance methods? Please add protocol?

08 August 2018 2,699 5 View

Can anyone give me a method for the simultaneous determination of polyphenols and flavonoids of plant extract by using GC-MS?

I need to identify the phenolic and flavonoid contents in herbal plant by Gas chromatography–mass spectrometry (GC-MS).

12 December 2016 4,207 4 View

How to calculate total phenolic contents of a plant extract sample?

Experiment: Weight of sample: 20g Weight after extraction: 7.83 gThe crude extracted 7.83 g were dissolved in 40 ml methanol> Amount used in FC assay: 300µL of crude extract mixed with 600µL...

10 October 2016 2,409 6 View

How can I do fractionation of polyphenols and other polar compounds extracted from medicinal plant?

I am doing a research for the isolation, purification and characterisation of polyphenols and other polar compounds from medicinal plant. I have methanol extract of my medicinal plant. I want to...

01 January 2016 3,101 11 View

What is the suitable Column for Polyphenol Fractions by HPLC or other techniques?

I have crude plant extracts of which were separated 5 polyphenols I have to separate and purify these 5 fractions (cynarin,chlorogenic acid,1,3-Dicaffeoylquinic acid,and cynaroside).

11 November 2015 8,710 12 View

What is the purpose of using supporting metal catalysts like RHA-silica?

Why can't we use tin or titanium catalysts without support?

02 February 2013 9,578 0 View

Can anyone suggest the mechanism of hydrodechlorination of (1,4), (1,2) and (1,3)-dichloroBenzene, 1,2,4-trichloro-Benzene, and hexachloro-Benzene?

Can anyone suggest themechanism of hydrodechlorination of (1,4),(1,2) and (1,3)-dichloroBenzene, 1,2,4-trichloro-Benzene, and hexachloro-Benzene?

01 January 2013 1,843 1 View