14 Questions 14 Answers 0 Followers
Questions related from Haroon Rashid
Dear All, I want to ask about some molar calculation of networks formed through esterification. First, I have a linear polymer chain with single pendant hydroxyl grp. Second, i have a diacid...
03 December 2018 640 3 View
Hi, Can somebody suggest, How much equivalent of DMAP should be used in addition to EDC for esterification?
27 October 2018 5,201 7 View
What can be the best alternative for EDC, DMAP as catalyst for carboxylates? I want to skip DMAP actually.
03 February 2018 372 11 View
Dear All, I want to graft PBA (Phenyl boronic acid) with some polymer having pendant hydroxyl groups. From Previous literature and my own observation, boronic acid forms a complex with these...
21 January 2018 9,484 2 View
Dear All, I am using EDC as catalyst with polyesters having 4 free OH groups, to form gel network, by adding a crosslinker. Problem, I am facing is, that when I add EDC.HCl, it forms a network...
25 December 2017 6,079 3 View
What can be and could looked up to be, the ideal properties of a Polymer, intended to be used in Injectables gels?
06 December 2017 3,517 3 View
Can some share synthesis procedure for dithiol PEG?
03 August 2017 1,405 3 View
Can drug release be achieved for 24 hours and not for longer period of time with Polycaprolactone electrospinning, alone or in combination with any other polymer?as PCL is very slowly degrading...
16 November 2016 9,436 4 View
Hello, I want to dissolve PCL and PEO with chloroform and ethanol as well as chloroform & DMF solvents combination for electrospinning purposes, but after keeping it overnight some of the...
07 October 2016 9,080 2 View
Can anyone tell about the taylor cone of the polymer jet? Is it necessary to be at 90 degree from needle tip to the collector or Is it OK to be spotted not on the 90 degree exactly but only...
28 September 2016 9,755 3 View
How to tailor drug release with PCL and PLGA blend upto 2 weeks or 3 weeks? We are having 20 % release in three weeks & we want to make it 100 % in two or three weeks? If somebody had any idea...
19 September 2016 2,680 2 View
How to prepare BOM (osteogenic medium with BMP-2). Also, how much concentration of BMP is used in this medium?
15 June 2016 8,849 3 View
Hello, Does anybody have idea about auto-fluorescence of polymers and networks? Is it normal that polymers emit fluorescence? Regards
01 January 1970 6,157 3 View
I want to conjugate protein having C-terminus with a dye having amine derivative through carboxyl-amine reaction. Does somebody has experience of doing this reaction? OR through EDC reaction...
01 January 1970 5,466 4 View