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Showing 1 to 6 of 6 for “"Ammonium persulfate"”.
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Synthesis of electrically conductive polypyrrole thin films via ammonium persulfate chemistry
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1990.
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Encapsulation of particles using brittle coatings for subterranean applications
… fluids, was explored.;The viscosity-reducer was ammonium persulfate. Polyurethane and acrylate coatings were investigated. The coated particles were assessed for dissolution in water before and after being subjected to a compression test. Polyurethane-coated particles had a high leach prior to …
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Synthesis and characterization of conducting polymer nanostructures and their application in sensors
… containing aniline, HCl, a metal salt, and ammonium persulfate (APS) with a high pressure Hg lamp. The sensors are ready for operation after polymerization is complete, and no additional processing steps are necessary. These sensors showed faster and more intensity response to various …
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Photosensitizer Loaded Contact Lenses As An Externally Stimulated Ophthalmic Drug Delivery System
… in the monomer solution (2-HEMA –EGDMA) using ammonium persulfate as the initiator of reaction for the formation of pHEMA hydrogel films. This delivery system showed 60% transmittance in the visible light region and 49% moisture content. In absence of laser, the in vitro release of free Eosin Y …
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Biochemical characterisation of an alpha-amylase with pullulan hydrolase type III characteristics derived from a hot spring metagenomics library
The field of metagenomics has provided biotechnological researchers with new enzymes and insight into previously unknown enzyme families with potential for novel modes of action and being able to function under extreme conditions, such as extremes of temperature, acidity or alkalinity. The enzymes …
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Investigation of methods for reducing aflatoxin contamination in distillers grains
… bisulfite, sodium hypochlorite, citric acid, and ammonium persulfate, were able to effectively (>86%) degrade aflatoxin with no substrate by heating at 90 ºC for 1 h with 1% (by weight) food additive solutions. A protective effect of the substrate was found for aflatoxin degradation in DWG and …