Abhimanyu Dev

7 Questions 15 Answers 0 Followers

Questions related from Abhimanyu Dev

Is there any difference betwwen Z-average (d.nm) calculated by instrument itself and calculation of average by number particle size distribution?

Generally using Malvern zeta sizer gives particle size distribution as Z-average in nanometer (nm) but if particle size distribution may be calculated using Number stats table using formula given...

03 March 2019 3,534 6 View

What should be the basis of selection of excitation maixima to get emission maxima of a fluorescent molecule ?

I have prepared carbon dots (CD) using plant material and got its absorbance maxima at 231 nm through UV-Vis spectrophotometer. Then what should be excitation maxima of Carbon dots during its...

11 November 2018 7,730 7 View

Whether fluorescence of any molecule may change in the presence of any buffer?

Actually i have prepared carbon dots using lactose and checked its fluorescence by preparing carbon dots solution in distilled water. then, another carbon dots solution was prepared in distilled...

10 October 2018 8,720 3 View

Why nanoparticles are considered better than their corresponding ions?

I want to understand the concept of nanoparticles. nanoparticles are considered better due to their size but as nanoparticles are prepared from corresponding ions by taking up electron through...

07 July 2018 9,175 16 View

How to determine particle size of emulsion in malvern zeta sizer?

we have prepared an emulsion with fixed ration of water and oil phase but our emulsion is viscous and in Malvern zeta sizer instrument, dilution is required with water. please suggest how to...

12 December 2017 1,339 3 View

How to find the particular protein domain using bioinformatics tool?

I am looking to find thioesterase (Te) domain from tyrocidine synthetase C (TycC)from Bacillus brevis ATCC 8185. I can able to find the TycC domain in ncbi but unable to find the 756 bp Te domain.

11 November 2017 9,239 3 View

Is there a difference between the turbidimetric and the well-diffusion method for MIC determination?

I am determining antibacterial activity of isoniazid derivative against bacterial strains (mycobacterium smegmatis, E. coli & S. aureus) by turbidimetric method and I got good inhibition but...

03 March 2015 5,068 5 View