Vikas Kumar

13 Questions 29 Answers 0 Followers

Questions related from Vikas Kumar

Can anybody suggest how to do Checker board assay for synergistic activity of plant extracts with antibiotics?

The activity of phytochemicals and antibiotics in combination was investigated using the checkerboard broth microdilution method. Can anybody suggest protocol for doing this as it is not clearly...

01 January 2018 5,417 6 View

Can anybody help in calculation of PIC in RAPD matrix?

I am unable to calculate PIC value of primers in RAPD.Can some one help in calculating PIC stepwise? An example of one primer in excel sheet is attached.

08 August 2017 9,761 2 View

Regarding analysis of RAPD gel/

Can anybody provide me information regarding software for analysis of RAPD DATA?

05 May 2017 6,798 3 View

Can any body tell what should I do with my active ethyl acetate and n-butanolic fractions of crude extracts. Should i go for LC-MS or NMR ?

I have defatted my plant material and then prepare ethanolic extract.This extract was then fractionated with Chloroform, Ethyl-acetate and n-Butanol?Then i perform anti- microbial and antioxidant...

06 June 2016 4,741 11 View

Can anybody tell me thomson reuters indexed or scopus indexed journal which publised free of cost?

i want to publish work on evaluation of in-vitro antioxidant activity of extracts and their correlation with total phenolic and flavonoid content.Please suggest some thomson reuter indexed and...

03 March 2016 3,830 1 View

Please suggest good journals with good impact factor for medicinal plants and pharmaceutical sciences?

Is there any journal which publishes free of cost in field of medicinal plants and pharmaceutical sciences?Please suggest good journals with good impact factor?

02 February 2016 9,489 0 View

How should I proceed for TLC analysis of ethyl acetate and n-butanol fractions of ethanol extract of bark?

I have done solvent -solvent fractionation of ethanolic exract of bark of my sample.Since phenolic and flavonoid content is higher in both fraction, so i want to do TLC analysis of both...

02 February 2016 5,925 8 View

Can anybody tell regarding the phenolic and flavonoid contents in fractionation process?

I have defatted my extract and then prepare ethanolic extract....after that I dissolved my extract in water and then fractionate firstly with chloroform, ethyl acetate and then with n-butanol...

01 January 2016 3,728 12 View

How can I relate FeSO4 curve with standard and extract?

I hav taken absorbance of FESO4 at range of 2.5-200 uM which show linearity with R2=O,98...then i took absorbance of standard/extract at different conc .....how to get FRAP activity...show me...

12 December 2015 427 3 View

Suggest some good journals for my work on in-vitro antioxidant activity and its relation with phenolics and flavonoids?

I have related total phenolics, total flavonoids and antioxidant activities of extracts.Suggest some good journals of Scopus to publish my work?

12 December 2015 7,226 4 View

Can somebody tell about calculation of FRAP assay of plant extract......?

i have prepare linear curve of 2.5micrmolar FeSO4 to 20 micrmolar FeSO4...also i have taken absorbance of standard Ascorbic acid and my extract at different concentration ....Then how to calculate...

12 December 2015 7,489 4 View

I want to evaluate the antimicrobial activity of my plant extract?

I want to evaluate the antimicrobial activity of my plant extract. What will be the ratio of extract and solvent for disc diffusion method? Is it according to the standard disc? Does anyone have...

12 December 2015 7,974 5 View

Can anybody help in analysis of matric data of RAPD of plants?

I have analysed 30 samples with 30 different decamer primers and I have also prepared matrix data of all primers. I am unable to use software to analyse, please guide me how to use the software as?

01 January 1970 8,689 7 View