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 ?

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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?

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02 March 2021 4,443 2 View

Ester cleavage conditions?

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01 March 2021 8,766 3 View

How to remove DCU and HOBT from my reaction?

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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?

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25 February 2021 2,225 5 View

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

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24 February 2021 5,749 3 View

Why is NH4OH added in heavy metals limit test?

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23 February 2021 2,049 3 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

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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

Mohamed Gadallah

Hello Drear

May be the following paper help you

Monjurul Haq

Thank you very much.

Sitaram Acharya

The guest-host bonding exists, which is mainly due to adsorption, between poly-saturated fatty acids and urea. The presence of double or triple bonds in poly-unsaturated fatty acids cause the molecules having bigger diameter and making them impossible to form adduct with urea.