Syeda Sumra Naqvi

7 Questions 8 Answers 0 Followers

Questions related from Syeda Sumra Naqvi

I use NPS for drug detection the detection proved by UV, FTIR and AFM but DLS shows a abrupt result how can i interpret the results?

after the interaction of drug the enhancement in the SPR band was observed the intewraction was proved by FTIR and AFM the AFM resiults shows aggregation of NPs the of NPS increases from 40nm to...

11 February 2020 9,476 3 View

How can i answer to reviewer when he ask about some techniques which is not available?

Respected researcher I submit a paper on adsorption of toxic metal by plant some of the reviewer ask about some techniques which is not available how can i answer this question. the paper is...

06 February 2020 5,182 6 View

Aggregation of nanoparticles leads to large shift in the SPR band but in my case only broadening and quenching in absorption band was observed why?

its colorimetric detection after interacting a analye with nanoparticles color rapidly change from yellow to orange. after 15 min of interaction take of a absorption spectra only quenching...

05 November 2019 7,829 1 View

I sucessfully synthesize cuNPs but they are very unstable how to stabilize the copper nanoparticles ?

i used ascorbic acid as stabilizing agent and sugar as reducing agent i try variable ratios of metal ligand and ascorbic acid and vaying ph for stability but fail to stabilize after 4 hour of...

22 July 2017 545 2 View

How we study the recovery of pharmaceutical formulation by nanoparticles?

nanotechnologist,pharmacist,analytical chemist

16 April 2017 3,979 1 View

Why amino acid aqueous stock solution not give the same results as fresh solution how i store and stabilize thes solutions ?

biochemist ,nanochemist

11 March 2017 7,980 3 View

I m working on the sensing of amino acids by nanoparticles but aminoacid sensing result not reproduce why ?

nanotechnologist , or nanochemist

11 March 2017 7,708 6 View