Robin Rajan

12 Questions 29 Answers 0 Followers

Questions related from Robin Rajan

How can I recognize nanogels visually?

I am intrigued about nanogels. Does nanogels look like microgels (hydrogels). And what are the various techniques to characterize it?

01 January 2015 9,709 3 View

Is anyone familiar with polymer chain interactions in solution?

I have synthesized various polymers with both positive and negative charges. I would like to find out the interaction among the polymer chains in solution. Can anyone tell how to find out the...

12 December 2014 8,516 14 View

Needlestick injury during cell culture?

One of my friend got pricked with the same needle which he had used for cell culture and drop of blood also came. So i just wanted to know how harmful is it? Does someone have any idea regarding this?

11 November 2014 2,178 11 View

Can someone please tell me a few biodegradable chemical crosslinkers for radical polymerization?

See above

10 October 2014 3,863 0 View

Does anyone know a software for polymer-cell membrane interaction using molecular dynamics?

I want to find out the interaction between polymer and cell membrane like membrane permeability, and chemical interaction between polymers and membranes and other parameters. I can use liposomes...

05 May 2014 1,158 4 View

Is there any model DNA available?

I want to carry out some preliminary experiments using DNA. Since DNA is relatively expensive, I would rather want a molecule which is a little cheaper as I want to work on basic parameters like...

02 February 2014 4,129 3 View

Obtaining block copolymer with predetermined molecular weight using RAFT polymerization?

I have synthesized random copolymer using RAFT polymer with predetermined molecular weight by changing the concentration of monomer and the RAFT agent. But I am finding it difficult to calculate...

06 June 2013 7,326 0 View

How to find out the amount of hydrophobicity in a polymer quantitatively?

I have made a ternary copolymer, with the third monomer being hydrophobic in nature. So can I find out how much of hydrophobicity has been introduced to the copolymer?

05 May 2013 8,583 10 View

What are the advantages of solid state NMR over solution NMR?

What kind of samples can we analyze and what kind of results do we get?

05 May 2013 7,645 13 View

Why is it difficult to obtain polymers with high molecular mass having narrow molecular weight distribution using RAFT polymerization?

I have made polymers with molecular weight upto 6000 using RAFT polymerization with polydispersity index of around 1.1 but when i tried to increase the molecular weight further, the control was...

05 May 2013 2,130 8 View

How does one find out the presence and kind of interaction of a compound and a cell membrane?

I have prepared a polymer and would like to find out its effect on a cell membrane during freezing and drying. Is there any technique available to do that?

05 May 2013 9,421 5 View

Can someone tell me the effect of molecular weight of cryoprotectant on cell viability?

05 May 2013 7,917 2 View