Rohit Sasidharan

5 Questions 8 Answers 0 Followers

Questions related from Rohit Sasidharan

How do i derivatise sulphated sugars for GCMS?

Hi, I'm looking to derivatise sulphated monosaccharides and disaccharides for GCMS. Normally I use pyridine-MSTFA but it doesn't seem to work for the monosaccharide (Galactose-4-sulphate sodium...

10 April 2019 8,694 2 View

Which olfactometer is better for my use?

Hi, I have to make a choice between Y-tube and 4-arm olfactometer but I cannot really understand the differences and advantages/disadvantages between the two. I need to study ant preference...

27 February 2017 6,967 3 View

Column chromatography for separation?

I have a few doubts regarding the separation of compounds with a silica gel column: - If I'm using a gradient with X ml of each concentration and my compound begins to elutes out at a particular...

29 March 2016 9,342 6 View

Does anyone have any experience growing castor in greenhouse?

Hi Does anyone have experience with growing castor in a greenhouse? How do i synchronise their growth (including germination) and make them grow faster and without insect pests? The problem I'm...

29 January 2016 6,857 2 View

How safe is sonication for extraction?

My aim is to extract a compound (an oxopyridine) from plant material.I powder the material into chloroform and sonicate it for about an hour or two. Is the compound susceptible to degradation?...

22 January 2016 6,365 4 View