Byju Ponnana

11 Questions 29 Answers 0 Followers

Questions related from Byju Ponnana

Does anybody know an extraction procedure of free sugar analysis from sediments or soil?

If anybody knows the analytic procedure for the extraction of free sugar or mono saccharides from sediments or soil ? If anybody have standardized any method to quantify total sugar present ?Any...

17 November 2014 6,548 3 View

I got a molecule and when it is docked with BRCA1 protein it is showing good results any possibility to be anticancer?

My molecule is small and I tried docking with breast cancer protein and it show good results and the binding energy is -2.01 . Tell me can it possibly act as a breast cancer drug...? What next...

12 August 2014 2,320 10 View

What are the methods available to determine molecular weight of polymer other than SDS PAGE, and MALDI MS?

I have one compound whose molecular mass is above 12000 how can i determine it through an easy method?

28 October 2013 626 1 View

Can somebody help me with the characterization of an isolated polysachharide? Is my sample pure enough for NMR studies?

EA : Triethleamine : acetic acid : water was used as the gradient elution in TLC. A single spot was obtained in TLC, but in UV light it was not visible. Is my sample pure enough for NMR studies?

07 September 2013 5,006 5 View

Is it possible to characterize saponins using GCMS alone?

After precipitation with acetone. How can I derivatize the sample and characterize using GCMS?

23 August 2013 350 5 View

If any compound is showing 26% cell death on 200ug/mL concentration on cancer cell lines, can I say it is an anticancer compound?

The concentration of sample to check anticancer activity. Is there any Importance?

12 August 2013 4,223 5 View

What is the minimum purity of a compound required to go for NMR studies...?

My compound has 95% purity and it is a small molecule. Can I go for NMR studies for structural interpretation?

06 August 2013 1,092 6 View

Is it possible characterize polysaccharides and interpret the structure completely when using MALDI TOF MS system ?

Suppose the crude polysaccharide molecules contains two or more molecules, is it possible to characterize it with MALDI TOF MS without going to NMR?

03 August 2013 4,669 2 View

Can someone could tell me why after isolating polysaccharides it has a foul smell?

I think my molecule got degraded..The reson for foul smell..?

22 July 2013 2,435 9 View

Is there any easy method for purification of polysaccharides other than HPLC and DEAE seperation ?

Charecterisation of crude polysaccharides

21 July 2013 8,927 18 View

Does anyone have experience with using preparative HPLC C18 column is it possible isolate terpenes?

with UV detector

06 July 2013 3,571 9 View