Anyone have a good protocol for extracting 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile from Letrozole drug?

Can anyone give the detailed procedure for extraction.

30 December 2020 513 1 View

I am Looking For Spam Dataset ?

I am Looking For Spam Dataset? Can I find a comprehensive Dataset with.csv or .arff extensions which compatible with Weka?

03 December 2020 5,254 3 View

No title

08 November 2020 7,455 5 View

The second wave of the virus is Covid 20 !?

The second wave of the virus is Covid Does the virus develop and become more lethal and infect the lower part, i.e. the stomach and intestine, with severe diarrhea, intestinal bleeding and ulcers...

02 October 2020 4,767 1 View

How to discuss an insignificant p-value?

I have a small sample size (29 patients) and divided them into two groups each of which has a different sample size. I have an ordinal scale (dependant variable ) which is a scoring system to...

13 September 2020 7,298 31 View

What made English to become the language no. 1 in the world?

Why English in particular? Why not French, German, Arabic, Spanish, Chinese, or any other language?

27 July 2020 7,754 90 View

What is the most reliable method for performing ELISA test on mouse brain?

Dear fellow researchers, may I ask you for your advice regarding performing ELISA test on mouse brain? which method gives a better yield snap freezing the tissue in liquid nitrogen, storing it...

26 July 2020 1,376 3 View

How to calculate Stress intensity factor in ABAQUS XFEM with allowing for crack growth?

Dear All, I want to model crack growth in a plate using ABAQUS XFEM method. Here is my question about it: How to calculate Stress intensity factor in XFEM when crack growth in ON? At this time,...

17 July 2020 1,341 1 View

Scientific relationship between stress intensity factor (SIF) and crack tip opening displacement (CTOD)?

Dear connections , What is the scientific relationship between stress intensity factor (SIF) and crack tip opening displacement (CTOD) with specimen double edge cracked. So really I need your...

13 June 2020 9,426 1 View

How to keep in memory the global ecological pause during the COVID-19?

Dear Researchers, I would like to raise a debate with you, regarding the impact of COVID-19 in the environment and climate change. We are a group of researchers that have launched a map, which...

08 June 2020 9,286 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 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

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View