What information can be obtained from a 3D scan in fluorimtric assays?

I have performed 3D scans for fluorescence studies, which consist of contours at the emission wavelength. how to draw useful information from these 3D maps and to understand the dynamics of the...

04 May 2019 8,959 4 View

Is it possible to determine the porosity behaviour of colloidal particles in solution phase or in the form of film?

Actually, the trivial techniques meant for the pore size determination (BET, BJH) cannot be applied for the inquired systems, but I wish to know the porosity trend (whether meso/macroporous),...

08 September 2018 9,104 3 View

Which technique can be used for separating the organometalic powdered catalyst from the organic reactions?

I have prepared a supported catalyst, which is implied for catalyzing certain organic conversion. The catalyst along with reacting precursors are kept under stirring conditions in order to...

06 July 2018 4,205 5 View

How to decide whether the synthesised nanoparticle system is alloy or multimetallic (bimetallic and trimetallic of noble metals)?

Which technique can be used to clarify whether the individual metals are homogenously mixed or are arranged in the bimetallic or trimetallic nanoparticle array?

06 July 2018 8,808 3 View

Do nanomaterials also show the Raman spectra, or just enhance the signal of the materials adsorbed on them?

I want to inquire whether nanomaterials merely act as the substrates for some molecules which are to be analyzed, or they themselves show lines in Raman spectroscopy. For reference, an image of...

06 July 2018 2,626 2 View

Can we use another working electrode for SWASV, instead of thin film mercury electrode?

Usually dropping mercury electrode or Hg modified GCE is used for stripping voltammetry, since it is a conventional or standard process, therefore is it possible to use GCE modified by some other...

02 March 2018 437 0 View

How to prevent the leaching out of thin film casted over glassy carbon electrode?

In order to carry out an electrochemical conversion using thin film modified glassy carbon electrode in acidic medium, leaching need to be overcome. what are the possible modifications that can be...

02 March 2018 8,250 3 View

How does the contact angle of a thin film effects it's catalytic efficiency as a heterogeneous electrocatalysts?

I mean if the material of the film is such that It is hydrophobic with high contact angle value, then whether it lowers the catalytic performances of the film as electrocatalysts in aqueous...

08 September 2017 2,866 3 View

How to calculate the number of electron transfer in the oxidation of amino acids using electrochemistry?

05 June 2017 8,298 2 View

How to characterise the wet gel beads?

how to analyse contents in gel beads using HRSEM, EDS and FTIR, as wet gel bead is not preferred for these sensitive instruments?

31 December 2016 2,335 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 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 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 measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View

How to get rough estimation of the concentrations of Oxygen and moisture inside the glove box?

Dear colleagues, I was just wondering if you can suggest a good method to get a rough estimation to the concentration of O2 and H2O inside the glove box as unfortunately, our glove box doesn't...

17 February 2021 1,012 3 View