Why does urea form complex with saturated fatty acids?

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What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

What really is "Prechordal Plate"?

There is too much discrepency among the textbooks of vertebrate embryology. There are two interpretations of the term "Prechordal plate" in different books: It is the cranial most part of the...

24 November 2020 8,537 1 View

How to find the % crystallinity from PXRD peaks?

Hi, I want to know how to find the %crystallinity from PXRD peaks. I have a highly amorphous compound where I get a broad peak. For your reference my PXRD looks same as in the following picture.

26 September 2020 6,191 5 View

Simulation of compression testing of a spring?

Hi. I am doing simulation of compression testing of a spring.My experimental and simulation results are same in the linear region. I have tried the simulation with all types of contact behavior...

10 September 2020 1,746 3 View

Streaming & Incremental learning support in Deep Learning frameworks?

As we know that the Deep Learning frameworks, consumed in most business operations, are growing rapidly. I have surveyed that Python, Java and C++ are the most widely used languages for Deep...

29 June 2020 1,144 3 View

Regarding Convalescent Plasma Therapy for COVID-19?

I had a few questions regarding Convalescent Plasma Therapy Why can't we use whole blood rather than convalescent plasma only? or Plasma + WBC (Adoptive cell transfer). This way we will transfer...

10 June 2020 2,361 9 View

If hepatitis B core antigen (HbCAg) is not released into the blood, how Anti-HbCAb Antibody is produced?

Almost all the microbiology textbooks and relevant research articles mention that Hepatitis B core antigen is not released into the blood of the host. It rather interacts with other core antigen...

14 April 2020 5,420 6 View

What is the difference between Qualitative PCR and quantitative PCR (Real-Time PCR) in reference to diagnosis of viral infections?

I know both can detect presence of virus but what is the exact difference between qPCR and qualitative PCR ? How and when is one preffered over the other?

15 March 2020 9,814 4 View

Why traditional (protein/antigen based) vaccines don't trigger a cell mediated immune response ?

Companies like Moderna are working on mRNA based vaccine as they can trigger both cell mediated as well humoral arm of immunity. But why traditional protein based vaccines can't trigger sufficient...

29 February 2020 9,023 3 View

I have soil sample, Plants roots and shoots samples. I like to do ICP-MS for elemental analysis?

I want to know which one will be performed through acid digested and then extraction. or only after gringing extraction can done only.

22 January 2020 3,949 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

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

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 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

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View