I have conducted research on the genus Salix, ad my results show that gender has a direct impact on the DPPH. Has anyone else obtained similar results or do you know of any articles that confirm this?
Sure the activity will fluctuate within same genus.
Hi everyone! Dose any one knows how I could get rid of the cells fluorescent background? I am working with two cells, HEK293 and SHSY5Y, and transfected them with exosome containing a...
30 May 2023 6,358 4 View
23 May 2023 5,404 1 View
is there a cure for SSHL in alternative of complementary medicine?
02 July 2022 5,414 7 View
why the applicable law of Rome statute is the statute of ICC is important? who knows any sources about it? Do you know any resources about" why applicable law is important" and the another issue"...
08 June 2016 6,316 5 View
why applicable law is important? what are the effects of respect of applicable law?
04 June 2016 7,785 5 View
I am going to overexpress the alpha-synuclein in the SH-SY5Y cells in order to investigate some drugs on the inhibition of aggregation and the mechanisms that inspire such cells go under...
02 November 2014 3,653 6 View
SDS-page pattern of alpha-synuclein in some studies appears to be higher (around 17 KD) than its real place of its molecular weight (14.4 KD). However, our purified protein appears at around 15...
18 July 2014 3,245 5 View
In mellisa officinalis, Lavanula officinalis, and rosa domestica.
25 June 2014 2,539 7 View
When I start to take the essential oil of viola odorata, after boiling on clevenger it produces a lot of foam on the water and I can't continue process, what can I do to solve this problem?
18 May 2014 5,352 9 View
I want physiological reasons for the answer of this question, and mechanisms of plant growth regulators. Please introduce paper(s) or eBook(s) related this question.
09 November 2013 4,409 2 View
How can I calculate IC50 in the DPPH test using graph pad prism software? or suggest a manual method and other software to calculate the IC50 value.
06 August 2024 8,848 3 View
I need a detailed protocol of any suitable method for ex., DPPH to determine antioxidant activity.
28 June 2024 3,854 2 View
My compounds are soluble In THF, so I woould like to know If for antioxidant activity I can prepare DPPH in THF. Before, I did a test in wich I had DPPH in ethanol, but when I Add my sample in...
17 June 2024 4,182 3 View
I have solubilized DPPH in methanol and used ascorbic acid as a positive control, and am testing the activity of pectins.
05 June 2024 6,197 1 View
As a context, we have been optimizing the DPPH protocol for our seaweed ethanolic extract. We also use varying concentration points from the various methods in published journal articles, yet none...
28 May 2024 3,097 2 View
I'm trying to do a DPPH antioxidant test but when I mixed all the reagents with my polyphenol extract, some of the samples turned cloudy. Why does it happen and how can I prevent it? I am working...
24 April 2024 1,925 5 View
I have chemically synthesised zinc based nanoparticles and they are insoluble in any solvent including DMSO. I need to carry out antioxidant activity of these nanoparticles but the results of the...
22 April 2024 9,138 0 View
I am a researcher working on DPPH-(2,2-diphenhlpicrylhydrazyl) antioxidant assay of different extracts of the plant Cassis tora. Though there are positive results mentioned in the literature, I am...
27 February 2024 2,983 6 View
Hii.. I'm doing a riset with plant extract and I have got the pure compound from it.. I like to know the antioxidant activities from the crude extract and the compound. But, both of my samples...
20 February 2024 5,134 1 View
Using DPPH assay, most of my sample at higher concentration at 10 mg/ml has negative percentage or above 100 percentage and what should i do about it?
14 February 2024 418 3 View