Anil Kumar Meher

15 Questions 15 Answers 0 Followers

Questions related from Anil Kumar Meher

Does anyone have expertise in analyzing PTR-MS data from TOFWERK instruments (I need some help and guidance)?

I need to plot PCA from the acquired data in a TOFWERK PTR-MS

13 July 2023 362 1 View

How can I find the rate of diffusion when two micro-droplets of solvents are coalesced together?

I am coalescing 10 µL of acetone in 10 µL of water.

26 August 2015 5,644 3 View

In what type of materials can ultrasound waves travel without much loss?

Apart from water, can solid dielectric materials also propagate ultrasound waves?

24 July 2015 6,164 6 View

How can I calculate rate of reaction for a Schiff base reaction (Aniline + acetone)?

I am mixing the drops(20 µl) of both reactants and measuring the change spectrophotometrically. Since the reaction is very fast, the change is observed immediately.

20 July 2015 6,794 8 View

Does anyone have a Raman spectrum of osazone product (Mannose/glucose + Phenyl hydrazine)?

Would like to have comparison with experimental results.

18 May 2015 5,192 1 View

What kind of interactions could be happening between bacterial cells and a strong oxidizing agent like ammonium persulphate?

Is the reaction limited to cell walls or does the oxidation continue for endogenous compounds?

09 November 2014 8,605 1 View

Are there ways to perform chemical modifications of paper (Kimwipes)?

I assume paper is mostly cellulose, containing lots of hydroxyl groups. Can it be chemically modified for interaction with specific molecules?

25 October 2014 1,192 5 View

Is there any reported work on differentiation of amino acid isomers by using Raman spectroscopy?

I am looking for model compounds (isomers) which can be differentiated using Raman spectroscopy.

26 September 2014 6,287 3 View

Can anybody tell me how to prepare a thick layer of titania by sol gel route?

Simple application of sol gel does not adhere to the surface of substrate (glass). Upon spin coating a firm layer could be obtained. However, it is very thin. I am looking to make a thick layer as...

29 July 2014 5,310 3 View

What is the simplest way to perform coating of glass chips with alumina?

I have tried to coat the glass chip with silica sol gel and then applied alumina sol. However, the silica sol after drying up forms flakes and comes out.

07 July 2014 8,658 1 View

What is the best strategy to enhance RAMAN signal from a liquid drop sample?

Using a 532 nm laser.

30 June 2014 5,268 10 View

What is the effect of high voltage on dielectric materials?

I would like to know what physical and chemical processes may take place if common dielectric materials like rubber or stone are placed in close vicinity of a high voltage source (4500 - 5000 V)?

17 June 2014 5,278 14 View

How do you obtain a coating of silica over dried clay (mud) material?

Have tried to apply silica sol gel (prepared by acid catalyzed TEOS), however particles are formed on the surface instead of coating. The same sol gel forms a coating over metal substrates.

11 June 2014 3,398 3 View

Can anybody suggest a maldi matrix for alpha casein sample?

Unable to get the signal with CHCA or Sinapic acid matrices.

06 June 2014 2,240 6 View

What is the pKa value of Bradykinin?

Curious to find out.

03 June 2014 6,703 2 View