Hussein H. Al-Turnachy

3 Questions 14 Answers 0 Followers

Questions related from Hussein H. Al-Turnachy

Do carotenoids interfere wth DPPH antioxidant assay?

There are several methods for assessment of antioxidant activity, of which DPPH scavenging assay. DPPH has absorbance around 520nm, while carotenoids have absorbance near 500nm.

11 January 2020 519 13 View

Can any one provide information about antioxidant activity of silver nano-particles produced by Klebsiella sp.?

Biogenic AgNPs produced by Klebsiella spp. was examined for antioxidant activity using DPPH antioxidant activity essay show no antioxidant activity effect to(-ive) antioxidant activity effect,...

10 January 2020 335 5 View

Using DPPH antioxidant assay for klebsiella byproducts absorbance of test was greater than the control?

Using DPPH antioxidant microtiter plate assay for the AgNPs produced by Klebsiella species; I get Absorbance greater than that of the control meaning that AgNPs has negative antioxidant activity...

25 May 2018 9,897 3 View