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Questions related from RAMANAN VADIVEL
What are the possible technical reasons for the corruption of .AVI file which is copied from a digital video recorder to a pen drive?
15 March 2019 6,843 0 View
How a forensic investigator can use the cigarette ash collected from a crime scene? Is there any case study in which the cigarette ash played a significant role in solving the crime? Thanks in...
18 February 2018 7,891 4 View
I am getting zeta potential value of about -30 mV for distilled water obtained from a commercial supplier. What it means? What should be the zeta potential value of distilled water? How can I...
11 October 2017 3,039 19 View
I am working in carbon dots. I am interested to calculate the extent of defect for my carbon dot. I have a big confusion on the the calculation of ID/IG ratio. Is the ID/IG ratio is the ratio...
03 October 2017 9,556 2 View
I want to purchase grids for HRTEM measurement. Can anyone provide the suitable specification like the mesh size, grid material, etc., My particle of interest is carbon quantum dots which will...
30 September 2016 4,220 6 View
What will be the sign of zeta potential for amine functionalized nanoparticles? The amines are neutral (not protonated). Due to the electron rich character of amine functional group shall I expect...
31 July 2016 10,003 4 View
Among carboxyl and carboxylate functional groups, which one can function as a better anchor on TiO2 surface in dye sensitized solar cells. It will be very useful to me if anyone provide a relevant...
16 January 2016 8,081 2 View
I have modified my carbon nanoparticle surface with amino acids. Now I would have both amine and acid functionalities on the surface of my nanoparticle. The measured zeta potential value is about...
01 January 2016 6,760 10 View
How far the quantum yield of quinine sulphate (0.54) will be linear. What is the Quantum yield at 300-320 nm excitations?
04 April 2015 8,111 5 View
I want to know how to calculate the concentration of a commercially available colloidal TiO2 (Ti-Nanoxide HT from Solaronix, Cat. No. 11711) for quenching studies. As it contains an organic...
06 March 2015 4,640 8 View
I am using 1KDa CE dialysis membrane for dialysis of carbon quantum dots. During dialysis, I noticed that the membrane is expanding. I want to know whether one can reuse the membrane for one more...
25 February 2015 8,112 5 View
What are the differences between Graphene Quantum Dots and Carbon Quantum Dots? How can I differentiate them using UV-Vis, XRD, AFM or any other techniques?
25 February 2015 6,138 5 View
