11 Questions 23 Answers 0 Followers
Questions related from Omar Farhan Ammar
Well, we read a lot about how in vitro manipulation of oocytes can induce stress and therefore reduce their potential or as people call it "quality". I've been looking into the studies mostly,...
05 May 2018 1,265 3 View
DMSO or deionized water?
03 March 2017 5,199 2 View
I want to preserve the morphological features of the bacteria for AFM analysis and I need a fast method for the fixation! Alcohol make some detachments in the bacterial proteins!! And...
03 March 2017 6,435 4 View
my samples agglomerates and show low zeta potential after a week from the synthesis? I use 50 ml of 1mM AgnO3 + 5 ml of bacterial supernatant ( PH adjusted to 9)
01 January 2017 7,983 14 View
I do not have microwave reactor (100W 2.45 GHz ) in the lab. So, any alternatives please?
12 December 2016 8,196 2 View
specially for graduate programs.
03 March 2016 8,978 0 View
Any further techniques you recommend?
02 February 2016 6,936 2 View
My professor asked me this question and we had a long discussion about it, any Ideas? I'm thinking about how to separate and purify the protein from the serum, then make monoclonal antibodies...
01 January 2016 1,189 1 View
How I can concentrate my particles and wash them for further testing like for TEM and EDX?
01 January 1970 4,089 4 View
My reaction consist of 50ml of 1mM AgNO3 mixed with 10 ml of the bacterial supernatant, now I want to add PVP to prevent agglomeration and increase the zeta potential.
01 January 1970 7,339 5 View
I have synthesized silver nanoparticles by using bacterial extracellular components as the reducing agent. After confirming the presence of AgNPs in our samples I'v tested the resulted colloid in...
01 January 1970 619 9 View