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Isolasi dan Identifikasi Senyawa Alkaloid dalam Ekstrak Daun Sirsak Hutan (Annona glabra)
(2014)
Sirsak hutan (Annona glabra), is a plant that has been traditionally used as medicine. In previous studies, ethanol extract of A. glabra leaves has been reported to be toxic against brine shrimp and zebrafish embryo. The ...
Biofilm Pati Tapioka Terplastisasi Gliserol dengan Tambahan Natrium Alginat dan Aditif Limonena Kulit Jeruk
(2014)
Biofilm is a thin layer that can be used as an alternative packaging and environmentally friendly. The objectives of this study ware to synthesis and to characterize biofilm made of tapioca starch with addition of glycerol ...
Kinetika dan Termodinamika Korosi Logam Cu dan Inhibisinya oleh Zink (Disikloheksilditiofosfat) dengan Teknik Polarisasi Potensiodinamik
(2014)
Zinc dialkyldithiophosphates (ZDTP) is a lubricant additives which has many functions such as anti-friction, anti-wear, antioxidants, and anti-corrosion. In this research, ZDTP type which was made is ZDTP with alkyl ...
Sintesis dan Pencirian Hidrogel Superabsorben Poli(Kalium Akrilat-ko-NIPAAm) dengan Iradiasi Gamma
(2015)
Hidrogel superabsorben (HSA) adalah polimer bertaut silang yang mampu menyerap air ratusan hingga ribuan kali dari bobot keringnya, tetapi tidak larut dalam air disebabkan oleh struktur 3 dimensi pada jaringan polimernya. ...
Optimisasi Tambahan Glukosa pada Sifat Termogelasi Kitosan- Gliserofosfat sebagai Bahan Perancah Gigi
(2014)
Chitosan-glycerophosphate hydrogel can be used as dental scaffold due to its thermosensitiveness, can be gellated at body temperature, pH at body condition, biocompatibility, and can provide good environment for cell ...
Perubahan Ciri Kimia Jus Buah Jambu Merah Akibat Penyimpanan pada Waktu dan Suhu Berbeda.
(IPB (Bogor Agricultural University), 2017)
Perubahan ciri kimia pada bahan pangan dapat menyebabkan pangan tersebut berbahaya untuk dikonsumsi. Selain itu, hukum kehalalannya juga dapat berubah menjadi haram. Salah satu contoh pangan yang mengalami perubahan hukum ...
Telaah Reaksi Benzoilasi Resasetofenon dalam Sintesis 7- Hidroksiflavon Melalui Penataan-Ulang Baker-Venkataraman
(2014)
Dibenzoyl resacetophenone (diBz) is an important precursor in synthesis of 7-hydroxyflavone and its derivatives through Baker-Venkataraman rearrangement. In previous studies, benzoylation of resacetophenone by using benzoyl ...
Teknik Ekstraksi Terbaik untuk Isolasi Kaempferol dan Kuersetin dari Daun Jambu Biji (Psidium guajava)
(2014)
Guava leaves contain various compounds that have biological activity such as kaempferol and quercetin as anticancer. Twelve extraction techniques were performed to obtain the best extraction technique to isolate kaempferol ...
Sintesis Kemosensor Ion Hg(II) Berbasis Hemisianin
(2014)
In this study, hemicyanine-based chemosensor was successfully synthesized from 3-(carboxymethyl)-2-methylbenzotiazolium bromide (kmb salt) and 4- diethylamino-2-hydroxybenzaldehyde through condensation reaction. Hemicyanine ...
Inhibisi Ekstrak Air Kumis kucing dan Tempuyung terhadap Aktivitas ACE (Angiotensin Converting Enzyme) secara In Vitro
(2014)
Angiotensin converting enzyme (ACE) plays an important role in the regulation of blood pressure. ACE works by converting inactive decapeptide angiotensin I to angiotensin II which can increase blood pressure (hypertension). ...