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Questions related from Matheus Augusto de Castro
Hi all, I came across an odd result when analyzing a control sample of PNIPAm in different concentrations. They were around 1% and exhibited a strong fluorescence around 330 nm in a...
09 May 2023 7,524 2 View
Hi there! I was hoping that someone who works/ed with Aqualog Horiba (with polarizers) could assist me in this matter. Currently I am developing a methodology to analyse protein-polymer...
14 March 2023 4,683 1 View
Hello there folks, I'm about to start working in a Agilent system using a MAbPac SEC-1 column. As the system was not functioning for a while I need to thoroughly clean it before actually doing...
28 February 2023 2,985 1 View
Greetings everyone, I am developing a formulation based on poloxamer (15% - 20%) in phosphate buffer. I used some methodologies from the literature to obtain the DSC profile, but I didn't get any...
16 November 2021 8,455 2 View
Greetings everyone! In many pharmaceutical hydrogel formulation articles the particle size (DLS) is not measured (e.g. Poloxamers at concentrations between 15% - 20% generally do not have this...
23 June 2021 8,172 3 View
Hello everyone, In order to develop my formulation I need to overcome the solubility issue with Indomethacin. My formulation is based on phosphate buffer 7.4, and I need to dissolve or at least...
09 June 2021 7,065 2 View
Greetings folks! I need a reliable place to purchase Sodium Hyaluronate, if possible by sending samples for testing before purchase, for formulating eye drops. I think the ideal molecular weight...
07 May 2021 696 3 View
