Urvashi Verma

4 Questions 3 Answers 0 Followers

Questions related from Urvashi Verma

If the value of x in equation y= mx+c, comes negative, what does it signifies?

The equation "y=mx+c" for a standard is y= 0.041x+0.141, R2 = 0.995, got by the linear regression equation. In this eq. when I put the value of Y" i.e. my sample OD at 10µl/ml, 0.039, to find the...

18 August 2015 325 16 View

How do I deal with non-polar solvent extracts (hexane, chloroform) while working on antioxidant potential of medicinal plants?

Hi, I am working on antioxidant property of medicinal plants, extract prepared in hexane and chloroform (non polar solvents). While working with these extracts, i am facing a problem as all the...

10 June 2015 8,790 13 View

Is anyone familiar with the Fe++ chelating assay for the determination of antioxidant scavenging activity of plant extracts?

I want to know the proper protocol and mechanism of Fe++ metal chelating assay for the determination of antioxidant scavenging activity of the plant extracts and what solvent is used for the...

17 April 2015 1,993 4 View

What is the standard DPPH free radical scavenging activity protocol for plant extracts?

what is the standard DPPH free radical scavenging activity for plant extracts? i am working withmedicinal plants for the estimation of their antioxidant properties and i have read many research...

12 April 2015 628 7 View