07 July 2014 1 5K Report

Is there any LC-UV analytical method available for quantitative determination of Trypsin and/or Chymotrypsin?

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How to (seriously) read a scientific paper?

1. What to do when there is something you don’t understand? 2. Do you have any tips you’d like to share? 3. What parts of title can tell us about the whole write up? 4. How to decide which part of...

02 March 2016 1,821 2 View

Is there any measurable benefit of publishing as Preprints?

What is possible legitimacy of publishing in such a way. Does it have any same value as that published in Journals or is it just to show that one has done some work ahead of any other in that...

01 February 2016 3,932 4 View

Does changing in vol of DMSO, Polymerase buffer and or pfu solution affect bands appearance?

I have the problem of appearance of nan-specific bands when I change the volume of DMSO, Pfu, Polymerase buffer and or DW in sample solution for PCR. I also change the annealing temperature due to...

09 October 2015 2,911 5 View

What is meant by a solar hybrid water treatment system or device?

What are its basic parts and their role in the process of water treatment?What does the word "Hybrid" stand for?

08 September 2014 1,521 7 View

What is the usefulness of HPLC method development software?

Talking with colleagues, it seems that the possible usefulness of an HPLC method development software repeatedly comes into the analyst's mind during the development of a tough HPLC/UPLC assay....

03 April 2014 6,680 1 View

What would be the best ratio of AgNO3:PVP+PEG?

What would be the best ratio of AgNO3:PVP+PEG, so as to have complete reduction of my precursor and also get 100% capped NPs?

31 December 2013 2,802 2 View

How can I get the double divisor ratio spectra?

How can I get the double divisor ratio spectra method for ternary components analysis, while using double beam 1650PC Shimadzu spectrophotometer, I can not understand the methods produced in few...

31 December 2013 2,779 1 View

What is meant by different colours of Silver NPs?

I have developed Silver NPs with PEG-PVP combinations but sometimes I get various coloration changes, I do not understand which colour is the endpoint of my reaction between precursor and reducing...

31 December 2013 10,015 8 View

Why is the reduction process in forced degradation studies for API/drug product not performed?

In forced degradation studies for API/drug product we are performing hydrolysis (acid, base & water), Oxidation, Photolysis and thermal degradation conditions. But why we are not performing reduction.

31 December 2013 9,355 5 View

How to choose PEG+PVP grade combination for preparation of PEG+PVP based Silver nanoparticle?

PEG 4000, PEG 6000, PEG35000 and PVP25000, PVP30000 are available for my work. Which ones will be better? Why ?

11 December 2013 7,227 3 View

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Can I use a HisTRAP column for affinity chromatography?

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Why is electronic energy 0.000 for liquid crystal compounds and is invariable with temperature in Guassian 09 software?

Are there any suggestions or insights you can provide to help address this problem

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What should Berlin do as a city to become as impactful as London and Paris in World Football?

Please go through my Abstract. I can also share a proposed Thesis Outline.

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Why is TLC not a form of partition chromatography?

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