Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

Which indexation is better Scopus or Web of Science?

Both are very repetitive indexing agencies.

26 February 2021 9,455 4 View

Anybody write me the name of scopus journals in commerce, management, economics areas. Which publish without any charge?

Please write those scopus journal names for which you have good experience with them.

24 February 2021 6,210 1 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

How to decrease the time for publication of paper in a journal ?

It takes a lot of time in publishing the paper in the journal, from few months to a year so how one can able to decrease the time for publication.

17 February 2021 2,997 14 View

Can anyone suggest a software for running a plant tissue culture lab?

A software which can help to design the experiment, store data, update new data, set subculture reminders, barcoding etc. Like Invitrosoft.

17 February 2021 3,015 5 View

What is the method of removing RNase contamination from a filter paper surface?

I am working on a biosensing project on paper substrate, however, it is found that the RNase contamination occurs on the filter paper. Might I ask is there any method to clean the paper surface...

12 February 2021 3,926 3 View

Do you think NCC and 3 year service at army base must be compulsory to make the students loyal and discipline to the nation?

Decipline and loyalty for nation is the need of today.

09 February 2021 6,928 3 View

What is causing the raw fluorescence to be negative?

Hi everyone, I would really appreciate it if someone can tell me when and why a raw fluorescence starts below zero. In the picture attached below the blue colour curve starts from a negative...

09 February 2021 4,642 3 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

Is there anybody in US have a Prep chiral Column to separate a racemic compound ?

I am looking for sombody in US who use a chiral prep column to separate a synthesis racemic H-tetrazol compound? I will send him the synthetic materials and the successful separation conditions...

16 August 2020 4,356 2 View

Stereochemistry Check for Peptides?

Hello researchers, Is PROCHECK the correct tool to check the stereochemical quality of small peptides? My peptide of interest: polypeptide with 16 alanine residues. Many thanks, Neena

28 October 2019 4,653 2 View

Stereochemistry Check for Peptides?

Hello researchers, Is PROCHECK the correct tool to check the stereochemical quality of small peptides? My peptide of interest: polypeptide with 16 alanine residues. Many thanks, Neena

09 October 2019 4,528 2 View

What is the difference between (S)-beta-hydroxybutirate and (D)--beta-hydroxybutirate enantiomers ?

Which one is the natural occurring? Indicated for cell culture?

07 August 2019 330 5 View

Whats the benefit of validation a 3D structure ? whats the best software to do that?

hello everyone , i just like to ask the bioinformatic professionals here about the best free validation software to validate my 3D structures... i'm still new in the bioinformatic field and i'd...

04 May 2019 3,081 6 View

Dear All, Is that possible to make a Condensation Reaction Between Dexamethasone and acetaldehyde that have alpha acidic Hydrogen ?

You can see my attachment pictures, I mean that I think it will can make an aldole condensation between -CH2 in acetaldehyde and Carbonyle group in Dexamethasone by presence a conc. Base ,. bay...

06 March 2019 5,809 1 View

Dear All, Is that possible to make a Condensation Reaction Between Dexamethasone and acetaldehyde that have alpha acidic Hydrogen ?

You can see my attachment pictures, I mean that I think it will can make an aldole condensation between -CH2 in acetaldehyde and Carbonyle group in Dexamethasone by presence a conc. Base ,. bay...

02 March 2019 5,384 1 View

Does considerable racemization of hyoscamine occur during the Soxhlet extraction process?

09 October 2018 9,781 1 View

Can i use D-aspartic acid (ReagentPlus, 99%, Aldrich) as one of the reference material in analyzing aspartic acid racemization with RP-HPLC?

Sigma-Aldrich's catalogue number = 219096. There's no explanation about whether it can be used as reference material nor about the suitability for HPLC.

07 August 2018 8,760 3 View

How to find out exact percentage of the individual isomer in racemic mixture?

Recently I synthesized the 3-substituted 3-amino oxindole starting from ketimines derived from isatin. After close examination, I come to know that the final product is in the racemic form. I want...

04 May 2018 7,820 3 View