Sudipta Bain

10 Questions 4 Answers 0 Followers

Questions related from Sudipta Bain

How to improve the solubility, dissolution rate and bioavailability of Glimepiride drug?

There are several drug modifications techniques like functional group modification, PEGylation, Amino acid substitutions, ligand conjugation, pH modification, dispersion enhancers etc. Can we use...

07 March 2023 8,021 1 View

How Hansen solubility parameters helps in drying fibers during electrospinning?

Hansen solubility parameters determine hoe a polymer is soluble in a the ifferent solvent. But how it helps in case of solidifying a fiber during electrospinning process?

15 September 2020 4,653 2 View

What is a good solvent for making PLA solution which will be used for electrospinning?

I want to use PLA polymer for electrospinning. Recently I have used it with DCM but it freezed very quickly on the tip of the nozzle. Any solution for this?

14 July 2016 2,636 5 View

What is the relationship between the solution concentration and the dielectric property of the solvents in Electrospinning?

What is the effect of concentration aginst the dielectric property of the solvent in Near field or far field electrospinning? Has it any effect on fiber diameter?

25 April 2016 9,988 3 View

Is PCL dissolvable in Ethanol?

I am trying to dissolve PCL in ethanol by heating at 65 degree C but it looks strange. I have also to dissolve PCL in Toluene, Methanol and Methylethyl Ketone. Is PCL also dissolvable in those...

21 February 2016 8,841 7 View

Why is there no fiber from PCL with THF?

I have tried PCL with DCM and there was spiral effect. After that I tried Chloroform still there was spiral effect. Later on I try with THF but it seems it was evaporated quicker than DCM though...

05 February 2016 9,783 4 View

How can I control the humidity inside the box of electrospinning process?

In my process I have to maintain humidity 60-70%. How can I control the humidity inside the box of electrospinning process? Should I use humidifier?

27 January 2016 3,064 3 View

Why are my fibers breaking in a PCL and DMF solution?

Currently I am doing near field (SOD- 10mm) electrospinning of PCL with DMF and the concentration is 70% (14gm PCL dissolve in 20gm DMF). But my fibers are breaking. The SOD is now 10mm, applied...

13 January 2016 7,842 4 View

How can I prepare solution from PCL with THF?

How can I prepare solution from PCL with THF? I read some paper but they did not mention in details. Do I have to only dissolve PCL in THF or I have to heat the mixture up?

06 January 2016 4,627 1 View

What is the best solvent for PCL to achieve thin cylindrical solidified fiber?

Please suggest me some journal paper related to solidification rate and solvent evaporation rate. In my case at some SOD the solvent (DMF) is evapote very slow and very quick. Also suggest me...

31 October 2015 3,678 3 View