10 October 2014 1 9K Report

I want to us peptides as catalysts in organic reactions.

More Kishore Mallela's questions See All
My polymer is glassy solid yet stuck to whatmann fiter paper. how can I obtain my polymer?

I precipitated the polymer in methanol and then tried to filter the polymer. However, my polymer stuck to whatman filter paper. how can I obtain the polymer now?

08 September 2018 510 2 View

I was not able to isolate the product from the DMSO . Please help me how to do it?

I want to synthesize the exo norbornene alcohol as was described in the reference.Macromolecules 2005, 38, 9455-9465. the problem is that I was not able to remove the DMSO solvent. Please help me...

06 July 2018 4,046 3 View

Can I dry macromonomers with Norbornene end cap at 120 degrees centigrade for 4 hours?

I synthesized polymers of PEO with different molecular weights with Norbornene end cap. I want to dry the sample in order to perform for the Ring Opening Metathesis Polymerization. Can I dry my...

05 June 2018 2,400 4 View

Is silica gel soluble/partially soluble in acetone?

we need to purify the pyrrolidone derivatives. When we checked the TLC, the compound Has Rf of 0.6 in acetone. But other solvents showed no movement of the spot from the base line. However, when I...

05 June 2018 2,463 3 View

Can we really trust the procedures published in the scientific journals?

I found that many procedures reported in the journals are not reproducable even when same conditions are maintained? why is it so?

10 November 2017 1,978 2 View

How to prepare 1, 1-Dipheynylmethyl Potassium ?

I want to prepare DPMK initiator for my polymerizations. Please give me a pdf file of the journal necessary.

08 September 2017 530 4 View

Is the refractive index of both monomer and polymer same?

i want  to synthesise the polymer with refractive index contrast.

07 August 2017 4,461 4 View

How to remove moisture from the polyethers?

I synthesized polyethylene glycol. I need to remove moisture from the polymer. T tried freeze drying but it didn't work please suggest me some other method which removes moisture. Thanking You in...

07 August 2017 2,526 9 View

Please let me know about the good practical books for learning glass blowing techniques.?

glass blowing for Schlenk techniques

03 April 2016 1,065 2 View

What is the weight of the polymer 'polyisoprene' with a molecular weight of 10000?

please help me in calculating the weight of the polyisoprene whose molecular weight is 10000.

02 March 2016 1,085 0 View

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Recovery rate after peptide desalting using Sep-pack C18 1 cc Vac Cartridge?

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