How to (seriously) read a scientific paper?

02 March 2016 1,705 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 3,826 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 2,784 5 View

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

08 September 2014 1,414 7 View

HPLC-UV method for analysis of Trypsin and/or Chymotrypsin?

06 July 2014 5,142 1 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 6,574 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 2,696 2 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 9,249 5 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 9,878 8 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 7,124 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 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

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

Can I measure absorbance efficiency with wavelength in a spectrophotometer?

I measure the wavelength of material in a spectrophotometer and it peaks at 275 and its absorbance is 100. I mix it with an adsorbent and it adsorbs the first material, but when I measure the...

16 February 2021 7,515 5 View

Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View