5 Questions 24 Answers 0 Followers
Questions related from Manal El-Sheikh
Extracts of fruits, herbs, vegetables, cereals, and other plant materials are rich in polyphenols. Polyphenols are rich in conjugated benzene rings with high electron density. Can the...
05 May 2016 9,696 10 View
I am preparing AgNPs/PANI nanocomposite. I can see the brown yellow color of AgNPs during synthesis and the green-violet color of PANI (emeraldine) after precipitation with ethanol. I can also see...
04 April 2015 5,076 17 View
In presence of sodium hydroxide, reducing and stabilizing agents (eg. modified starch, cellulose or chitosan), the salts of copper, iron or aluminum are converted to the corresponding copper, iron...
05 May 2014 6,868 11 View
I was able to prepare high concentrated silver nanoparticles. I also succeeded to precipitate it easily using ethanol and filter it easily using normal filtration tools. Upon drying, the deep...
03 March 2014 9,528 25 View
Ag NPs colloidal solution have a characteristic peak at about 390-420 nm using UV-Vis spectrophotometer. The intensity of the peak is proportional to the concentration of the Ag NPs of the...
02 February 2013 3,234 35 View