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Pengukuran Kapasitas Antioksidan Ekstrak Daun Teh Hijau (Camellia sinensis) dengan Metode DPPH dan Voltammetri SiklikMeasuring Antioxidant Capacity of Green Tea Leaves (Camellia sinensis) Extract using DPPH and Cyclic Voltammetry Methods.
(2011)
Green tea (Camellia sinensis) exhibited antioxidant activity. The purpose of study was to determine antioxidant capacity of the most active green tea leaves fraction using DPPH (2,2-diphenyl-1-picrylhydrazyl) and cyclic ...
Biodegradasi dispersan tumpahan minyak dengan metode DOC Die-Away dan metode botol tertutup
(IPB (Bogor Agricultural University), 2011)
Oil spill dispersant (OSD) is a mixture of surfactant and solvent designed to break the oil layer into small granules to facilitate its dispersion in natural water. In general, OSD is toxic and naturally non-degradable ...
Perilaku disolusi nanokapsul ketoprofen tersalut gel kitosan-alginat secara in vitro
(IPB (Bogor Agricultural University), 2011)
Modified chitosan has been used as coating agent. Chitosan-alginate gel is potential to be applied as coating agent in drugs delivery system. Dissolution result indicates that chitosan-alginate membrane is the best in ...
Pengaruh ekstrak tempuyung (Sonchus arvensis) terhadap aktivitas xantin oksidase secara in vitro sebagai dasar uji kinetika
(IPB (Bogor Agricultural University), 2011)
Sonchus arvensis is one of traditional medicinal plants that has a potency as antigout but its inhibition mechanism is not known yet. This research was done as a basic means to test inhibition kinetics. The test result ...
Fraksinasi komponen aktif antibakteri ekstrak kulit batang tanaman berenuk (Crescentia cujete L)
(IPB (Bogor Agricultural University), 2011)
The objectives of this research are to determine the most antibacterial active fraction of berenuk stem bark extracts, to determine minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), and ...
Adsorpsi biru metilena pada metakaolin dan nanokomposit metakaolin-TiO2 serta uji fotokatalisis
(IPB (Bogor Agricultural University), 2011)
One method used for handling organic dyes in wastewater is adsorption-photodegradation. This method is based on adsorption of the organic compound by the surface of a solid material that subsequently degrades the organic ...
Kombinasi emulsi dan ultrasonikasi dalam nanoenkapsulasi ibuprofen tersalut polipaduan poli(asam laktat) dan poli(e-kaprolakton)
(IPB (Bogor Agricultural University), 2011)
Polybend of poly(lactid acid) and poly(ε-caprolactone) was used to encapsulate ibuprofen drug. Encapsulationof ibuprofen in micron size have a limited penetration into tissues, therefore, the particle should have nanometer ...
Pemanfaatan Arang Aktif Cangkang Kelapa Sawit Sebagai Adsorben Zat Warna pada BiodieselUtilization of Palm Shell Activated Charcoal as an Adsorbent on Biodiesel Dyes.
(2011)
Adsorption of biodiesel dyes using palm shell activated charcoal was studied in this research. The charcoal was activated physically with high temperature at 800 °C for 1 hour. Characterization of the activated charcoal ...
Pengolahan limbah cair praktikum analisis kualitatif logam berat menggunakan polialuminium klorida sebagai koagulan
(IPB (Bogor Agricultural University), 2011)
Research activity in laboratory often use substances containing heavy metals. One of them is qualitative analysis for chloride and spot test for measuring the existence of heavy metals on the samples. This wastewater ...
Penentuan kadar Fe(III) dan Cr(VI) secara simultan dengan menggunakan teknik spektroskopi
(IPB (Bogor Agricultural University), 2011)
Cr (VI) and Fe (III) are a metal that have a potency cause environmental and drinking water pollution. One of the analytical techniques that can be used to determine Fe (III) and Cr (VI) simultaneously is to use a combination ...