User:Roberta Diaz Jimenez/Notebook/CHEM 472/2016/04/12: Difference between revisions
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==Data== | ==Data== | ||
#Detailed notes on colour change as well as UV/Vis and Fluorescence information can be found at the link [https://docs.google.com/spreadsheets/d/1XIncoYXZyIeGlpAFkbnr44U3PQ61jNbax-hkexNerUM/edit#gid=303734626 SRB Lab Notebook Data] | |||
#AuWhey and AuSoy were in neutral reaction, AgPea, AgCasein and AgRice protein were basic – all experienced color change (silver=yellow, red/purple = gold) | |||
#AuCasein worked, though it was slightly opalescent indicating the presence of some precipitate | |||
*Note: silver reactions only worked with proteins in basic conditions (first noticed with casein, pea and rice which are only soluble in basic conditions, thus were the first three to make silver nanoparticles). Perhaps dissolving casein, pea and rice protein in acidic conditions (even though not fully soluble) will yield gold nanoparticles | |||
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Latest revision as of 01:42, 27 September 2017
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Objective
Materials
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