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...

02 March 2019 693 2 View

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...

10 November 2017 6,844 0 View

No title

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 6,745 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 5,837 0 View

Total Triterpenoid determination.?

04 May 2017 3,628 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 6,830 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 9,122 3 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 1,921 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 5,382 4 View

Hello dear Scientists. How every one doing?

06 July 2016 4,420 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

No title

01 March 2021 3,905 5 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 3 View

Where can I find a reliable and updated methodology related with the design of spiral heat exchangers?

I need to design an spiral heat exchanger, buy I don't know what reference or bibliography (preferably a book) should I consult in order to get an updated and reliable methodology related with...

14 February 2021 7,910 3 View

How to determinate of molecular structure of salt into the liquid?

I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...

11 February 2021 5,821 1 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View