Zahra Kariminezhad

5 Questions 11 Answers 0 Followers

Questions related from Zahra Kariminezhad

Why there is a large discrepancy between the encapsulation efficiency (EE) values from the supernatant and lysate analysis?

I have encapsulated the hydrophobic drug in liposomes. I analyzed the encapsulation efficiency by HPLC for both the supernatant and the pellet. First, I centrifuged the liposomal solution, took...

26 June 2024 2,757 3 View

Why the data obtained from energy of HOMO and energy gap between HOMO and LUMO do not match?

Hello, I am doing a computational study with Gaussian software on certain compounds with antioxidant activity. I got the results of HOMO and LUMO energy. According to my results, the order of HOMO...

17 January 2024 6,173 7 View

Is it possible for an antioxidant to scavenge only ROS?

I am working on the antioxidant activity of samples. I did the ORAC assay and DPPH assay. My samples work well in ORAC assay, and they have shown higher antioxidant activity than Trolox and...

18 September 2023 1,235 9 View

Why D-Mannitol shows low antioxidant activity by DPPH assay?

I am working on DPPH assay with different antioxidants.I do not understand why some antioxidants like Ascorbic acid and Glutathione have high radical scavenging properties with IC50 less than...

08 February 2023 381 7 View

Why I could not observe the tRNA in the well of gel agarose electrophoresis?

I did several times gel agarose electrophoresis to find the best N/P ratio of chitosan/tRNA polyplex. I don't know why I could not observe the tRNA in the well of gel agarose electrophoresis and...

17 December 2022 7,392 8 View