Jonathan Flores

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Questions related from Jonathan Flores

Can PEG-Hematin (a pegylated porphyrin) be purified by crystallization?

I synthesized PEG-Hematin by the following procedure: Diethyl azodicarboxylate (240 μl, 0.60 mmol) was added to PEG (0.5 g, 0.25 mmol), triphenylphosphine (160 mg, 0.60 mmol) and hematin (190 mg,...

04 April 2016 4,604 3 View

I need to find the concentration (in mol/L) of hematin in PEG-hematin I synthesized?

I need to find the concentration (in mol/L) of the PEG-Hematin I synthesized. The extinction coefficient is 70000 mol-1cm-1 obtained from the calibration curve of the hematin sample in DMF. The...

18 March 2016 8,456 3 View