Efosa Godwin Ewere

7 Questions 12 Answers 0 Followers

Questions related from Efosa Godwin Ewere

Histology results versus biochemical results?

Is it possible for a drug to have little or no toxic effect on the histology of a particular organ, say the liver but a significant negative effect on same organ from the results of Biochemical...

04 April 2019 1,755 5 View

Possible explanation for good in vitro antioxidant activity of plant extracts but poor in vivo protective activity?

Is there any possible explanation of a plant extract having a good in vitro antioxidant activity but poor in vivo protective activity or probably toxic in vivo? Any relevant article is highly...

04 April 2019 3,801 3 View

What is really the standard duration of cold extraction?

Most cold extraction of plant samples by maceration are reportedly done for 72 hours (3days). Is there any SIGNIFICANT consequence of leaving it a beat longer say 5days or 6days? Would the active...

08 August 2018 2,999 3 View

Can Rat-specific assay kits be used with spectrophotometers?

I have discovered that rat-specific research assay kits are ELISA kits designed to be used with microplate readers. Are there no such kits that can be used with spectrophotometers?

07 July 2018 7,694 0 View

Why the use of ice cold 1.15% KCl in washing extracted liver organs?

When a liver organ is extracted from an experimental animal, they are quickly washed in ice cold 1.15% KCl solution.Why is it always KCl? Can't normal saline be used also?

05 May 2018 6,464 1 View

How long can a pulverized dried leaf sample be stored before use? Up to one year?

Can I store pulverized and completely dry leaf samples up to one year before extraction?

04 April 2018 6,456 4 View

Please what is the best method of drying n-hexane extract of plant samples to yield a dry solid that can be dissolved in water?

I want to know how i can concentrate n-hexane plant extract and subsequently dry it so the shelf life can be extended.

01 January 2017 6,291 7 View