16 Questions 27 Answers 0 Followers
Questions related from Omar Farhan Ammar
Can I detect deletions of AZF region (Y chromosome Y deletions) using FISH technique? could u please also suggest the best probes?
08 December 2020 7,783 0 View
I'm using JC-1 to measure the mitochondrial membrane potential by laser confocal microscopy. I used 100uM of FCCP as a positive control. Surprisingly, it caused lower green to red ratio and was...
23 July 2018 7,558 4 View
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,...
13 May 2018 4,293 3 View
Is it related to the charge of S. aureus biofilm which has weak negative charges due to the presence of D-alanine esters in their teichoic acids? Both S. aureus and P. aeruginosa strains were...
16 August 2017 5,366 1 View
Can I hand-draw my own diagrams ant put them in my thesis and thesis presentation?
08 June 2017 5,373 8 View
Currently, I am using Malvern zetasizer to determine my particles size. I got two different peaks and z- average in the Intensity and Volume distribution modes! Which one should I consider? By the...
14 April 2017 6,803 7 View
DMSO or deionized water?
31 March 2017 7,072 2 View
Does the DMEM medium supplemented with 2% serum and L-glutamine is a good choice?
21 January 2017 6,973 3 View
Currently I am synthesizing AgNPs from bacteria. I did the DLS analysis and zeta potential measurement. The most predominant size in my sample was 118 nm and the average around 60 nm. The Zeta...
18 January 2017 198 8 View
I do not have microwave reactor (100W 2.45 GHz ) in the lab. So, any alternatives please?
19 December 2016 6,831 1 View
I used Enterobacter aerogenes for the extracellular synthesis of AgNPs. After adding the bacterial supernatent to the AgNO3 I exposured the mixture to the heat for short periods 15 seconds three...
08 December 2016 7,125 3 View
Please are these peaks make any sense?
14 November 2016 8,312 9 View
Currently, I am trying to synthesize silver nanoparticles from Enterobacter aeroegenes. After I inoculate the 100 ml nutrient broth with the bacteria and incubate it at 30 degree. After 24, 48,...
08 October 2016 5,903 6 View
which marker is better to detect early apoptosis in normal adult fibroblast treated by silver nanoparticles?
20 June 2016 9,427 5 View
assays are 1. LDH cytotoxicity assay 2. MTT assay 3. Promega ApoTox Triple assay measure ( Viability, cytotoxicity, apoptosis)
12 June 2016 5,614 5 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 9,005 4 View
