Which amine position will react with aldehyde to from schiff base?

In the below reaction the first starting material have two amine groups. In that which amine group will easily react with aldehyde to form schiff base? Reaction Concentration :- Eq.Mol Concentration

02 March 2018 1,121 16 View

Can i use AlCl3 a catalyst for cyclization reaction?

Aim of my work is to synthesis of Molecule 2 (Fluoroquinolone) using diphenyl ether as catalyst. Even after several attempts the molecule 2 fails to form due to deactivation of para position by...

11 December 2017 2,157 14 View

How to reduce NO2 to NH2 without affect any other group in following reaction?

Hi, I have to reduce the NO2 group to NH2 group in the following reaction. Kindly suggest some good catalyst to reduce the NO2 to NH2 group without affecting any other position.

11 December 2017 1,311 42 View

How to run molecular dynamics simulation for protein in discovery studio 3.5 software?

Hi, I have planned to study of molecular dynamics simulation for my homology modeled protein. Generally, most of Molecular dynamics (MD) simulations were carried out using GROMACS software. But i...

10 November 2017 4,880 4 View

How to calculate the cavity volume or size in homology modeled protein?

06 July 2016 8,413 3 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

Calculating volume of DNA required from DNA concentration?

Hi I am a bit confused. They are asking me to find out the volume of DNA required in ul (a total of 30-100 ng for genomic DNA) from the DNA concentration in the nanodrop reading which was 404.8...

26 February 2021 5,029 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Could not amplify CD28 and CD3z ectodomain from cDNA of Jurkat Cells ?

For my experiments, I have to express ectodomains of human CD28 and CD3z. As a source, I extracted RNA from Jurkat cells and verified the quality of RNA on the gel. I, then, prepared cDNA using...

23 February 2021 7,051 4 View

Why does the sum of reaction forces not match the force component of a Free Body Cut in Abaqus?

I am using Abaqus to simulate a plate with in-plane loading. The boundary conditions allow the right edge to move up and down, the displacements on the left edge are fixed. There is no rotation...

23 February 2021 711 3 View