Hello friends, which is the best method to determine water content in the gummies???? how to prepare gummy sample for water determination?

02 March 2017 1,976 3 View

What are the HPLC mobile phase additives & how to select a proper additive?

How to select proper mobile phase additive for better separation? And when to use the beta-cyclodextrin or (2-hydroxypropyl)-beta-cyclodextrin as mobile-phase additives?

07 August 2013 6,474 1 View

What is the TCL-S-101 and how much is added in the injection preparation?

TCL-S-101

02 March 2013 7,253 0 View

How do I quantify Potassium Iodide?

I want to quantify Potassium Iodide but I'm not getting a reliable chemical or any other method for assay.

01 February 2013 7,584 1 View

How do I plot overlay of rphplc chromatograms in empower III software in a final result sheet with area, resolution, HETP & tailing factor?

I want to plot overlay of rphplc three std chromatograms in empower III software in a one final result sheet with area, resolution, HETP & tailing factor. How do I do that?

01 February 2013 4,143 0 View

How to identify, analyse & confirm the different concentrations of malt extract?

What is the method to differentiate the 2%, 10%, 20% malt extract?

01 February 2013 2,725 1 View

I'm trying to quantify amino acids by RPHPLC with UV detector, can anyone suggest a good method?

I have HPLC with UV detector & I want to quantify amino acids by RPHPLC, what is the best method with derivatization technique?

31 December 2012 3,132 33 View

Why mobile phase turn turbid? What shall I do to make it clear?

Dear all today I faced a problem while making mobile phase and the composition was A)potassium Dihydrogen phosphate(15g) + Di-sodium hydrogen phosphate(15g) in 1000ml water B) Acetonitrile...

31 December 2011 6,995 20 View

How do i get 100% release of ALA(alpha lipoic acid) from magnesium oxide granules?

dear all today I was carrying out assay of ALA granules in Magnesium oxide. I dissolved. granules in the glacial acetic acid but only 60% release I achived. then i tried in H2SO4 but the ALA...

31 December 2011 9,439 3 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View