Debarchan Panda

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Questions related from Debarchan Panda

What method is good for doing in vitro degradation study of PCL microsphere by change in weight calculation or change in diameter (from microscope)?

I have prepared some polymeric microspheres from chitosan and PCL. However while performing in vitro degradation study, I found difficulties in both above mentioned methods. Here I am mentioning...

21 May 2024 5,977 4 View

Reg. Availability of Polydimethylsiloxane (PDMS) membrane in India?

I need Polydimethylsiloxane (PDMS) membrane for my experimental purpose. I checked the product with Sigma-Aldrich, Himedia, Milipore and other vendors in India but there is no mention about the...

11 January 2024 8,193 1 View

What is the role of temp: in water in oil emulsion for microsphere formation ?

I am preparing polymeric water in oil (w/o)emulsion where I am using Span-80 as a surfactant. In several papers, it's given that first the emulsion has to be heated around 50-60 degree C followed...

22 June 2023 7,815 1 View

What is temp: while dispersing water phase into oil phase for w/o emulsion for preparation of microsphere?

I am planning to prepare a polymer microsphere by w/o the emulsion technique. However, I got some doubt at the step where the water phase is slowly dripped into the oil phase which was undergoing...

25 July 2022 6,310 3 View

What should be the concentration of Tween-80, if I am using instead of span-80 for making chitosan microsphere?

I am using Tween-80 as the surfactant and Glutaraldehyde as a crosslinker for my Ch microsphere formation. Although most have used span-80, few people in research gate also suggested tween-80 can...

22 July 2022 9,732 4 View

Where can I find a Teflon (PTFE) material weighing boat ?

I want to prepare some polymer film by casting the polymer mixture on a rectangular plate kind of things and later topeel it off after drying.My research supervisor suggested to use teflon molds...

28 May 2022 9,117 0 View

Why my 2% chitosan scaffold got some bulgy struture on the surface after kept in 4 degree for overnight followed by deep freezer for 48hours?

Why I got bulgy structure on the surface of my chitosan scaffold after keeping it in 4 degree for over night and then transfering to deep freezer for rest 2-3 days. I was about to go for...

29 April 2022 7,272 3 View