How to prepare phosphate buffer?

I want to prepare 0.05 M phosphate buffer of pH 7 from Na2HPO4 and KH2PO4. How to proceed?

10 November 2018 6,555 0 View

Analysis of hypericin by HPLC in food matrix?

Hello! Friends I need to analyze naturally occurring toxic substances Hypericin in Food matrix. Can somebody suggest a suitable HPLC or other method for that? Your inputs will highly be...

09 October 2018 358 0 View

Unknown concentration calculation using HPLC?

A typical formula often used for the concentration of an unknown sample concentration as follows: Conc in ppm= (standard area/ sample area)* stnadard conc.* Dilution factor Can anybody derive...

06 July 2018 9,580 6 View

Quantitative determination of Ascorbyl stearate in Margarine or any Oil sample?

Please provide me any suitable methods if any for the quantitative determination of ascorbyl stearate in Margarine or any Oil related sample.

02 March 2018 8,108 1 View

Why octahedral site of spinel ferrite is more active for any catalytic reaction than that of tetrahedral site?

02 March 2016 6,550 1 View

Is it possible to separate peptides and amino acids by using HPLC equipped with a UV-visible detector?

I want to separate glycine and its oilogomer with hplc having uv-vis detector at wavelength of 195 nm but i failed to do that. Can anyone suggest some suitable method to do that?

31 December 2015 2,837 4 View

Is it possible to separate peptides and amino acids by using HPLC equipped with a UV-visible detector?

Is it possible to separate peptides and amino acids by using HPLC equipped with a UV-visible detector?

04 May 2014 8,753 1 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View