20 Questions 31 Answers 0 Followers
Questions related from Najmul Hasan
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...
03 March 2016 1,770 2 View
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...
02 February 2016 3,892 4 View
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...
10 October 2015 2,867 5 View
What are its basic parts and their role in the process of water treatment?What does the word "Hybrid" stand for?
09 September 2014 1,485 7 View
Is there any LC-UV analytical method available for quantitative determination of Trypsin and/or Chymotrypsin?
07 July 2014 5,260 1 View
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....
04 April 2014 6,635 1 View
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?
01 January 2014 2,756 2 View
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...
01 January 2014 9,949 8 View
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.
01 January 2014 9,315 5 View
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...
01 January 2014 2,730 1 View
PEG 4000, PEG 6000, PEG35000 and PVP25000, PVP30000 are available for my work. Which ones will be better? Why ?
12 December 2013 7,188 3 View
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11 November 2013 4,280 12 View
I have developed a HPLC method for simultaneous determination of Antidiabetic drugs and NSAIDs, I would like to check their drug-drug interactions and their impact In-vitro, would someone guide me...
09 September 2013 2,377 4 View
Can someone guide me thoroughly?
09 September 2013 5,446 3 View
How the quantity of PVP can predict whether nanorods or nanospheres will be formed?
02 February 2013 8,192 0 View
Could you please explain what is the motto for developing this method to analyse these drugs simultaneously? I mean what is the significance of this method and why did you chose these drugs to be...
01 January 2013 7,930 4 View
Publishing a review article in good impact factor journal is to tough than a research paper, why? what are the major requirements for a good review?
08 August 2012 1,011 37 View
What are the future prospects of simulating softwares in HPLC method development processing? Are they enough to be relied upon or trial and error way of processing is still better?
08 August 2012 2,015 1 View
Can someone provide me the Endnote styles of Elsevier Journals? same as given by the "Wiley-Blackwell" has given a full compiled files of Endnote styles!
05 May 2012 7,343 5 View
How could it be possible that two different molecules of different physical and chemical properties are eluted on the same retention time on the same analytical parameters for HPLC? According to...
04 April 2012 3,317 21 View
