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dc.contributor.authorWikantyasning, Erindyah R
dc.contributor.authorRizqiyana, Fika
dc.contributor.authorSantoso, Broto
dc.contributor.authorSuprapto
dc.date.accessioned2015-02-03T07:04:19Z
dc.date.available2015-02-03T07:04:19Z
dc.date.issued2015-01-24
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dc.identifier.issn2407-9189
dc.identifier.urihttp://hdl.handle.net/11617/5166
dc.description.abstractThe synthesis and pH-sensitive behavior of poly(acrylic acid) (PAA) and gold nanoparticles (AuNPs) are presented. Gold nanoparticles was synthesized by Turkevich method and analyzed by TEM and UV-Vis spectrophotometer to determine particle size and optical properties, respectively. Synthesis of PAA was conducted in two steps, first by synthesizing of RAFT agent, and the second step is polymerization of acrylic acid using RAFT agents. The pH-responsive polymer was then characterize using H-NMR. AuNPs was succesfully synthesized, resulted particle size of about 14 nm in diameter. The solution containing PAA cross-linked by AuNPs showed color change from blue to red when pH was increased, due to the swelling of PAA in the higher pH. It was found that the color change was reversible, and the pH transition point was at pH 4-5.en_US
dc.publisherUniversitas Muhammadiyah Surakartaen_US
dc.subjectgold nanoparticlesen_US
dc.subjectpoly(acrylic acid)en_US
dc.subjectcolorimetric sensorsen_US
dc.subjectpH-responsive polymeren_US
dc.titleSensor Kolorimetrik Berbasis Agregasi Nanopartikel Emas dan Polimer Responsif pH Poli(Asam Akrilat)en_US
dc.typeArticleen_US


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