7 Questions 4 Answers 0 Followers
Questions related from Panarin Chinavinijkul
I was polymerizing Poly(L-lysine) and when I precipitate in Ethyl Acetate/Hexane (followed a procedure) it turns out to be sticky precipitates instead of solid. I was wondering what is the cause?...
02 February 2019 4,261 3 View
My understanding is that adding Solution A into Solution B (e.g. Oil phase into Water or vice-versa) should be added drop-wise in order to maximize surface area of Solution A to provide smaller...
09 September 2018 442 0 View
I am trying to determine how to analyze a product I made from PLA polymerization. However, the Lactic acid I used are ones that was made using an unorthodox method of producing Lactic acid (we are...
11 November 2016 5,043 2 View
I would like to add a coating layer onto a bone plate however, I am running into question I am unsure about. Most of the papers I look through do not have a detailed info on their dipping...
10 October 2016 1,518 3 View
Hi, I am trying to synthesize PLA with high molecular weight. The method that I have been using can give me at most 50kDa. Based on the paper I've been following, it should be able to increase...
09 September 2016 1,296 5 View
Hi, I am planning on doing an Intrinsic Viscosity experiment with Ubbelhode and from what I see, it usually comes with water bath and an electric coil. However, I was wondering if I can make one...
09 September 2016 792 0 View
Why is it that at higher or lower N-acetylated value (e.g. 20, 80), it is insoluble in water, but soluble at half (50%)? In addition, I have been confused for a while regarding the definition of...
01 January 1970 4,875 2 View
