What kind of isomerism shown by steroid?

More Raj Kumar's questions See All

Can we use 5-10% cyclodextrin in drug release media? what are the advantages and disadvantages ?

I am interested to conduct the drug release in different release media, but i would like to know is any restriction or limitation of the concentration of other components such as...

08 September 2019 7,599 3 View

What could be the reason for the sum (60-80%) of drug release and drug remain in media. is less than the total amount of drug (100%) added ?

Hi, We have formulated drug nanoparticles. interestingly, we have not found the complete release of the drugs, however, the drug release and drug left in release media is less than the amount of...

08 September 2019 2,120 5 View

How can we save interesting paper in Research gate, is it any facility to save as our own library which may useful later.?

I am everyday finding very much excellent articles related to my work in research gate, but i am unable to save them for my future requirement. is it any possibility or option to make our own...

02 March 2019 9,777 4 View

Looking for top best papers on solid lipid nanoparticles? can you please share web page or doi of papers?

Hi, I am looking for best papers on solid lipid nanoparticles which discuss science properly and interpretation of in depth results and discussion. it will helpful for me how to improve my...

02 March 2019 9,471 5 View

Reproduction permission of Figures from other's publication ?

If we took permission for reproduction before submission of journal X, but if it is rejected from Journal X, then can we use same permission of reproduction in submission of any other journal Y,...

08 September 2018 3,719 7 View

Do you have hands on experience for preparation of Fe3O4 coated with gold, silica, silver or Au, Ag, Fe3O4 coated with silica? Can you help me ?

I am working on magnetic nanoparticles coating with silica. but most of my experiments failed, Then I tried Au, Ag nanoparticles coating with silica. still facing issues. If you directly worked on...

07 August 2018 3,063 4 View

How can we get proper coating of silica or gold or silver on magnetic nanoparticles ?

I am keep on performing experiments but instead of coated nanoparticles, I am getting separate nanoparticles of silica or gold or silver when i performed experiments are well reported journal. For...

06 July 2018 9,482 3 View

What are the differences between Poloxamer 407 and Pluronic F127?

I found the chemical structure or formula of both are same even CAS No. But I want to know why both are different and why ?

05 June 2018 9,928 10 View

Can Addition of Ammonia to reaction mixture is better than addition of TEOS in preparation of Silica nanoparticles ? how and why it effect size/shape?

I am trying to prepare silica nanoparticles. I followed the literature as suggested that in all reagent in ethanol mixture added TEOS, in some other literature they added Ammonia solution to...

11 December 2017 3,559 3 View

Where can I get protocols for different biological studies of cells related to neuroscience?

I am looking for a single place where I can get the detailed protocols for different kinds of cell for neurons related tissue engineering and regeneration. Please share links if you have any...

10 November 2017 8,399 3 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

What exactly is it about biotechnology and medical research?

I'm very interested in biotechnology and medical research and I'd like to meet a professional here and talk about it together

28 July 2024 3,798 4 View

How does the Retention time effect the Biogas Production?

List down the various factors responsible and how does this effect the overall biogas production when it is related to Hydraulic retention time of the digester based on the feedstock?

27 July 2024 4,800 4 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

Do you know CUSABIO Biotechnology Scholarships for Students 2024?

I am pleased to announce the CUSABIO Biotechnology Scholarships for Students 2024! This scholarship aims to support outstanding students pursuing studies in the field of biotechnology. Here are...

22 July 2024 5,790 1 View

How to eliminate the carry-over effect in GC-MS/MS system?

Hi, I am a PhD student working at Jagiellonian University, Faculty of Chemistry. My work is related to the development of new analytical methods for the quantification of short-chain fatty acids...

22 July 2024 5,492 6 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View