03 March 2016 2 8K Report

Can any send the articles regarding ethical issues abou model organisms and experimental organisms? It would be hight appreciated. Please?

More Bilal Ahmad's questions See All
Hello Dear Scientists? Phytochemicals VS Synthetic Chemials? Which one better and Why?

Dear I am working on obesity and writing a review article. I want to add the topic that Why Natural products (Phytochemicals) are more beneficial than synthetic ones? I know that they have less...

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Does filteration effects the crude extracts activity?

Dear Scientists, I applied the pure crude extracts (without filtration by syringe filter) on colon cancer cell lines and got some good results. When I repeated the experiment with filtration by...

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Dear scıentısts

I have done the extraction with 90% Aqueous Ethanol of 25 gms of the sample and then filtered and then evaporated the solvent. After this, I did Lypholizations and after lyophilization, I got 0.5,...

06 July 2017 6,832 0 View

Sticky sample after Lypholization

Dear scientists, I lyophilized my plant samples and after lyophilization, for some sample, I got a very good fine powder but for some samples I got a sticky solid form just like gum(Not fine...

06 July 2017 5,970 0 View

Total Triterpenoid determination.?

Hello dear scientists, I am following the method of L  Wei, et al 2015 for the determination of total Triterpenoids contents but there is no information about the mechanism of reactions when we...

04 May 2017 3,801 3 View

Request for articles

hello all, Can any one suggest or send specific articles for quantitative analysis of Triterpenoids (Taraxasterol), by using C18 Column in HPLC-ELSD method ?

02 March 2017 6,917 0 View

Request for Article for (Triterpenoids) taraxasterol and its actate HPLC analysis??

hello every one. Can anyone send an article in which method of gradient elution for triterpenoids like taraxasterol and its acetate has been analysed by HPLC by using different gradient...

02 March 2017 9,215 3 View

Important questions request about HPLC

For HPLC analysis of Phenols and Triterpenoids, what concentration of standards and samples solutions (In mg/ml or microgram /ml) for injection into HPLC should be used? I just want to know about...

01 February 2017 5,489 4 View

Important Question

Dear Scientists, I am confused now. I did extraction from plant with 90 percent ethanol at 40 degree centigrade in reflux condensor, then i evaporated the ethanol in evaporator and also in vaccum...

01 February 2017 2,010 3 View

Hello to all scientists. ?

Can any one provide me some good articles for the determination of Triterpenoids by HPLC-ELSD methodology?

31 December 2016 380 0 View

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