Md. Sayedur Rahman

4 Questions 11 Answers 0 Followers

Questions related from Md. Sayedur Rahman

Can anyone please advice me to identify the exact UV/Vis spectra for AgNPs formation?

While working on green synthesis of AgNPs using endophytic bacteria, study revealed time-dependent uv/vis spectra of the formed AgNPs (Figure attached). Which spectra should I consider as the best...

23 August 2016 4,617 2 View

How should I identify silver nanoparticles from UV-Vis spectra?

Presently I am going to synthesize extracellular silver nanoparticles using some endophytic bacteria. Protocol I used: 1) culture of endophytes in 250 mL flask using LB media for 48 hrs at 37 deg...

04 November 2015 1,102 57 View

How can I calculate pseudo-first-order and pseudo-second-order kinetic model parameters results/graphs with example data?

I wish to do an adsorption study with some heavy metals using biosorbent. I am not so adept in calculating different kinetic models. I am now seeking help from the experts in this field to show me...

11 November 2014 8,005 28 View

What might be the reason for having no or smearing band in gel electrophoresis for extracted gDNA?

I extracted gDNA from two seaweed samples following the modified CTAB method (Arumuganathan and Earle, 1991). The A260/A280 ratio for the sample 1 and 2 showed a value of 1.7204 and 1.7158,...

14 March 2014 9,894 10 View