Can I stabilize the ninhydrin reagent without nitrogen purge?

I am trying to use the ninhydrin assay method to determine hydrolysis degree of whey proteins without nitrogen atmosphere. I used ninhydrin reagent in the ethylene glycol - sodium acetate solvent...

03 January 2021 6,976 2 View

I have been waiting to get a reply from a journal, since July. Is it reasonable to wait for so long to get some feedback on a paper submisson?

Having emailed the journal twice, the answer is that due to technical difficulties, they cannot give me a status feedback so I need to wait. Is it ethical to submit the paper to another journal,...

01 December 2020 2,730 2 View

Hi! Someone has installed Pardiso library to work with Matlab on Linux?

I am having some problems when I try run a program with Pardiso. I seems that the Pardiso has problems with the BLAS library from Matlab. Is it correct?

28 May 2020 1,276 5 View

Presence of ZnAl2O4 by XPS?

I have a coating with 2 different layers (Al and Zn). After a process under temperature, I want to evaluate the presence of ZnAl2O4 among other oxides (mainly Al2O3 and ZnO). Is possible to...

16 June 2019 9,675 3 View

Can anyone suggest me the best ratio to achieve a colloidal dispersion of zinc oxide nanoparticles with DMSO, citric acid or ethanol?

I am trying to evaluate the toxicity of ZnO-NP in aquatic organisms, but we have not improved its dispersion by using DMSO. Acidification (p/e: pH less than 7 or 8) is not suitable. How can I...

31 May 2019 8,922 2 View

Can you use DTT in a qPCR reaction?

Is it possible to add a DNA sample containing 2 mM DTT in a qPCR reaction with detection with SYBR greenER. Samples are diluted 10x in the PCR master mix which means that the end concentration is...

13 April 2017 5,394 2 View

How can I calculate area per particle ?

02 February 2017 5,444 3 View

Does anyone used antibody on cell culture to block cell surface receptors?

I want to block a receptor on the cell surface and then treat the RAW cells and I wonder if I can used a specific antibody on the cell culture. Did anyone ever do that?

21 November 2016 8,992 3 View

How can I clean the silver particles after green synthesis to SEM and TEM?

17 November 2016 477 8 View

How can I measure the concentration of C60 fullerene (nanoparticles) in tissues?

I have exposed clams in vivo to C60 fullerene for 7 days. And I would like to measure a possible accumulation in gills and digestive gland. If you can help me. Thanks in advance.

17 December 2014 5,369 6 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View