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

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 1 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View