Browsing UT - Chemistry by Subject "2014"
Now showing items 1-20 of 22
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Aktivitas dan Stabilitas Superoksida Dismutase dari Ekstrak Deinococcus radiodurans yang Diimobilisasi pada Zeolit Alam sebagai Biosensor Antioksidan
(2014)Immobilization of superoxide dismutase (SOD) from extract of Deinococcus radiodurans have been studied. D. radiodurans is a bacteria having an enzyme Mn-SOD. The optimum condition of SOD antioxidant activity of the extract ... -
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 ... -
Fraksionasi Ekstrak Kemedangan Gaharu Aquilaria malaccensis Hasil Inokulasi yang Berpotensi sebagai Senyawa Bioaktif
(2015)Aquilaria malaccensis merupakan salah satu spesies penghasil gaharu. Penelitian yang sudah dilakukan terhadap A. malaccensis baru sebatas daun dan ekstrak kasar. Penelitian ini bertujuan menentukan fraksi dengan aktivitas ... -
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). ... -
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 ... -
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 ... -
Kuersetin dari Ekstrak Daun Jambu Biji Merah (Psidium guajava) dan Kinerjanya sebagai Penghambat Proliferasi Sel Kanker
(2014)Red guava leaf (Psidium guajava) extract has been known to inhibit cancer cell proliferation. However, further studies on the activity of flavonoids in red guava leaves as an anticancer agent has not been done. This study ... -
Linearitas dan Limit Deteksi Pasta Karbon Biosensor Arsen dengan Elektrode Pasta Karbon Termodifikasi Zeolit-Fe
(2014)Detection of arsenic using biosensor based on enzyme inhibition could be a routine alternative analysis method of aquatic environmental quality. Biosensors were fabricated from carbon paste electrode modified by zeolite-Fe ... -
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 ... -
Pelapisan Hidroksiapatit pada Paduan Logam CoCrMo Terlapis Titanium Nitrida Menggunakan Metode Biomimetik
(2014)Bone implants is a way to cure broken bones which is being developed. The implants can be made of metals, ceramics and polymers. Metallic materials commonly used are titanium (Ti), stainless steel, and metal alloys. This ... -
Pemanfaatan Zeolit Alam dan Sintetik untuk Pemurnian Etanol
(2014)Purification of ethanol synthesized from biomass experiences a problem due to the azeotropic properties that arise when alcohol mixed with water. One method of purification that can be done is adsorption using various types ... -
Pengaruh Penggunaan Zeolit Bayah sebagai Matriks Imobilisasi pada Aktivitas Antioksidan Superoksida Dismutase Deinococcus radiodurans
(2014)Immobilization of superoxide dismutase (SOD) from extract of D. radiodurans has been studied over past years. D. radiodurans is a bacteria that produces enzyme Mn-SOD. The optimum condition of SOD antioxidant activity of ... -
Pengolahan Fine Coal dan Aplikasinya sebagai Briket
(2014)Fine coal is a by-product of coal washing, which is not utilized and nearly 2 billion tons per year of fine coal is waste. The objectives of the research are to treatment fine coal using centrifugation and coagulation-flocculation ... -
Pengoptimuman metode ekstraksi dan isolasi xantorizol dari temu lawak (Curcuma xanthorrhiza Roxb.)
(2014)Xantorizol merupakan senyawa penciri pada temu lawak yang memiliki aktivitas antibakteri dan antijamur. Penelitian ini telah mengembangkan metode ekstraksi dan isolasi senyawa xantorizol dari temu lawak (Curcuma xanthorrhiza ... -
Perubahan Ciri Kimia Jus Buah Jambu Merah Akibat Penyimpanan pada Waktu dan Suhu Berbeda.
(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 ... -
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. ... -
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 ... -
Sintesis Zink Diisoamilditiofosfat pada Medium Heptana dan Karakterisasi Kinerja Inhibisinya terhadap Korosi Logam Tembaga yang Diukur secara Polarisasi Potensiodinamik
(2014)Zinc dialkyldithiophosphates (ZDTP) compound is known as a lubricant additive and has many functions, one of which is as anti-corrosion. ZDTPi was synthesized in 2 steps. The first step was formation of intermediates so ... -
Sintesis Zink Diisoamilditiofosfat pada Medium Kloroform dan Karakterisasi Kinerja Inhibisinya terhadap Korosi Logam Tembaga yang Diukur secara Polarisasi Potensiodinamik
(2014)Zinc dialkyldithiophosphate (ZDTP) is a complex compound known as a lubricant additive that has many functions such as anticorrosive, antifriction, and antioxidants. Zinc diisoamyldithiophosphate (ZDTPi) was synthesized ... -
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 ...
