How can we determine the nature of ionic liquid (2-Ethyl-1-methylimidazolium methyl sulfate) by using simple titration method?

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What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Moderation test of reflective construct in AMOS?

Hi dear researchers, I need your guidance on the moderation test of a reflective construct (i.e., Uncertainty avoidance with three items) with high and low UA. I run the moderation test with the...

08 February 2021 370 7 View

Simulation of Reinforced foam core sandwich composite panel in ABAQUS. How to add the reinforcements in the sandwich panel? Any available resource?

Hello everyone! First, I would like to thank you for taking time to help me out. I am a final year student, studying Aeronautical Engineering and for a project, I need to do an analysis of...

15 January 2021 7,888 3 View

Could anyone suggest the profiling packages in python which similar to profvis package in R?

I am currently working on the benchmarking of the tools and programs developed for handling biological data, I have used R-programming wherein I used Profvis for the R based tools. However, there...

15 December 2020 5,764 3 View

Chi Square/CMIN value in larger sample size by using AMOS?

Hi, I am working on cross-cultural research. For that, I need to perform MG analysis in AMOS. I found the following results: CMIN / DF : 5.619 GFI : .946 AGFI: .934 CFI: .969...

23 November 2020 9,998 3 View

How adsorbed Mercury (II) react with HCl and HNO3 in water?

Case: Hg2+ is adsorbed on a titanium carbide and 0.1 M HCl/HNO3 is used for the desorption of Hg2+. During the reaction, the solution turns into a pale yellow color. I want to understand what...

16 November 2020 5,770 3 View

What was the reason to not analyze fresh soil sample as compared to dry soil sample for NO3 and NH4 ?

This is wondering me as how the process of soil sampling for both NH4 and NO3 ? what was the reason to not analyze fresh soil samples for both parameters ? the dry soil sample change the state of...

25 October 2020 8,765 2 View

How can I convert a CHIMERA session file to PDB file format?

Hello everybody! Recently, I have joined two peptide fragments by incorporating a peptide bond between their N and C terminal using the standalone USCF CHIMERA software. The file is now saved as a...

23 October 2020 1,652 3 View

For the purification of Acrylic Acid (Stabilized with hydroquinone monomethyl ether), what are other methods used than vaccuum distillation?

I have searched for many methods, and it seems a common practice to remove the stabilizer from monomer before further use in polymerization in common polymer labs. Kindly suggest some other...

13 October 2020 7,806 4 View

How to remove boundary pixel loss on raster to polygon conversion?

Recently I am working on ArcGIS and faced some problems like when I covert a classified raster data to vector using Raster to Polygon in Arcgis, the pixels near the boundary are missing and that's...

08 October 2020 589 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 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

Best plasmid could be used as a standard curve for AAV titration?

I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...

23 February 2021 5,167 3 View