Browsing The 1st University Research Colloquium (URECOL) 2015 by Author "Suprapto"
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Efek Antioksidan Ekstrak Etanol 70% Biji Alpukat (Persea Americana Mill) dengan Metode DPPH
Sutrisna, EM; Trisharyanti, Ika; Munawaroh, Rima; Suprapto; Mahendra, Andika Dwi (Universitas Muhammadiyah Surakarta, 2015-01-24)Avocado is traditionally used to treat various diseases among others, menorrhagia, diabetes, diarrhea, hypertension and others. In everyday use avocado seed is often not utilized. This study aims to know the effects ... -
Sensor Kolorimetrik Berbasis Agregasi Nanopartikel Emas dan Polimer Responsif pH Poli(Asam Akrilat)
Wikantyasning, Erindyah R; Rizqiyana, Fika; Santoso, Broto; Suprapto (Universitas Muhammadiyah Surakarta, 2015-01-24)The 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 ...