R. Selvam

7 Questions 82 Answers 0 Followers

Questions related from R. Selvam

How can I calculate theoretical peptide yield on SPPS? Any Formula?

Any estimation formula for calculating peptide yield before starting synthesis? if there give me a formula with explanation. For example. Resin loading capacity is 0.71mmol /SPPSfor achieving...

04 February 2015 4,198 9 View

Most of the synthetic peptides/proteins after purification, geting denatured within 60hrs? whats the reason? possible to recover?

I have synthesized many peptides 6-73amino acid sequences, after purification, some peptides get denatured from pure white powder form, the powder disappeared and just very less oily nature...

31 December 2014 7,429 5 View

Can anyone suggest which solvent is better for amino acid coupling in solid phase peptide synthesis?

For solid phase peptide synthesis which solvent is better? I have used DCM, DMF and NMP. which is a given efficient coupling? And the reason for this is PS-TPGD, Merifield Resin and Rinkamide...

30 December 2014 7,567 14 View

Can any one suggest me the perfect storage condition&Method of Synthetic peptides?

I Need to store synthetic peptide for years, whats the condition and storage method for this, some peptide degeneration takes place even in moisture free -200c. can you suggest any effective...

22 December 2014 3,353 11 View

In HPLC Analysis We got report in Peak Table : Area, Height, Area% & Peack Height% From this Each info What We Exactly Understand??

From this peak table how we know our sample purity? Am analyzing Synthetic peptides and proteins. After HPLC we are doing MALDI,ESI-MS etc but from HPLC what what info we can able to find, please...

14 December 2014 2,618 7 View

Can anyone, suggest trustful biologically active peptides & proteins providers?

Dear experts, I am doing research in biologically active peptides and proteins synthesis. I have synthesized so many biological peptides, but due to our busy schedule, I need to buy some products...

10 December 2014 9,811 3 View

Can we possible to Fragment / cut a long peptide or protein in particular position?

Dear Experts We are research group involved in Peptide / Protein based research. We are looking to Cut / Fragment a 109 amino acids peptide in particular position, also we are looking to focus in...

01 January 1970 2,342 4 View