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Questions related from Cihan Baydaroglu
Hello everybody! The amidation of 4-dodecyloxybenzoic acid methyl ester doesn't work at all according to the publication "Perylene liquid crystals with multiple alkyl chains: investigation of the...
05 June 2023 8,001 7 View
Dear colleagues, I would like to know how to determine the amount of functional groups, here carboxyl groups, in PAA (100 kDa). I would guess by acid-base titration. In detail I would prepare a...
09 February 2023 6,684 11 View
Hello everybody! I've modified a purchased polymer, here PMAA (100 kDa), with Dodecylamin in the presence of Dicyclohexylcarbodiimide and would like to precipitate it, which doesn't work...
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Hi, I would like to recrystallize Brij® O10 (Polyoxyethylen-10-oleylether), which was purchased as a semi-solid, but I can't find any information about an appropriate solvent in the internet. I...
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Hello! I would like to synthesize dye loaded silica particles via Stöber or modified Stöber method with a particle size of 40 nm (minimum) or 100 nm (maximum). I've already searched for...
01 January 1970 340 6 View
Hello! I would like to do a DCC coupling of PMAA (100 kDa) with an amine. I already found a paper where they dissolve PAA in NMP under stirring at 60 °C for 24h. In my case I need to use PMAA...
01 January 1970 1,116 0 View
Hello! I would like to perform UV/VIS- turbidity measurements of Bovine Submaxillary Mucin (BSM) in MilliQ water at different concentrations (2-10 vol%) in order to get to know how much light is...
01 January 1970 9,117 0 View
Hello! Currently I'm trying to do microrheology by means of Fluorescence Confocal Microscopy in order to compare these results with the macrorehology data. Unfortunately, my microrheology results...
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