Browsing Faculty of Mathematics and Natural Sciences by Title
Now showing items 125-144 of 559
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EFFECT OF RATTAN BARK NANOFIBER MICROSTRUCTURE WITH HIGH ENERGY MILLING METHOD TO QUALITY MECHANICAL BIOCOMPOSITES
(2012)Serat rotan adalah kulit kayu limbah dari kegiatan produksi rotan mentah. Ini biasanya digunakan untuk atap rumah dan barang tali di pasar tradisional. Rotan serat kulit kayu mengandung sekitar 40 % selulosa, yang berpotensi ... -
(Effect of water and soil pH stress on the existence of stress metabolites in potato (Solanum tuberosum L.
(1991)This research used potato (Solanum tuberosum L.) of Cipanas variety as the experimental plant, and w& conducted at the Department of Chemistry laboratory and Pasir Sarongge Experimental Station, on June 1989 up to April ... -
Effects of hemB Antisense RNA on δ-Aminolevulinic Acid Production in Rhodobacter sphaeroides
(2002)Genes for β and α polypeptides of the light harvesting II complexes in Rhodobacter sphaeroides 2.4.1 are encoded by the pucBA operon. Their expression is highly regulated by oxygen level and light intensity. δ-Aminolevulinic ... -
Efisiensi Ekstraksi Senyawa Isoflavon Dari Akar Kedelai (Glycine max (L.) Merr.)
(2010)Soybean roots extract which have been analyzed by thin layer and high performance liquid chromatography (TLC and HPLC) showed the various isoflavonoid compounds. The ethanol extraction combined with heating process give ... -
Eksplorasi Struktur Data dengan Metode Chaid
(1998)Metode CHAID adalah metode yang dikembangkan untuk menganalisis keterkaitan struktural dalam data hasil survey. Data tersebut biasanya meliputi satu atau beberapa peubah respon dun peubah-peubah penjelas yang pada umumnya ... -
Ekstrak Jahe (Zingiber officinale Roscoe) Penghambat Oksldasl LDL
(2002)Oxidative modifcation of DL is believed to play an importad rde in athemgenesis. DthlonnneH,ane exfmt of ginger hhomas exhibited a stmng antioxid& edivrty using lindeic acid as substrafe. We investgated the in vRro effect ... -
Ekstrak Sapogenin Akar Kuning sebagai Hepatoprotektor pada Mencit yang Diinduksi Parasetamol
(2013-07-24)Hepatitis alau penyakit hati dapat disebabkan oleh virus, bakteri, parasit, bahan kimia, dan gizi yang buruk. Usaha-usaha untllk melindllngi hati dari paparan tersebllt antam lain dcngan konsumsi tanaman obat yang berperan ... -
Ekstrak Secang Berukuran Nano dengan Kaolin Sebagai Pembawa
(2012-12-26)Ekstrak kayu secang (Caesa/pinia sappan) dilaporkan memiliki aktivitas antijerawat dengan senyawa aktif brazilin. Untuk mengembangkan formula antijerawat dari ekstrak kayu secang dikembangkan sediaan ekstrak secang berukuran ... -
Ekstraksi cair-cair dari natrium menggunakan 25,26,27,28-Tetrakarboksi-5,11,17,23-Tetra-Tert-Butilkallks[4]ARENA
(2013-02-04)Senyawa 25,26,27 ,28-tetrakarboksi-5, 11,17,23 tetra-tef[butilkaliks[4]arena, LH" adalah ligan makrosiklik yang memiliki empat gugus karboksilat dan ukuran rongga yang sesuai dengan jari-jari kation. Hal ini dimanfaatkan ... -
Ekstraksi, Fraksinasi, Karakterisasi, dan Uji Hayati In Vitro Senyawa Bloaktlf Daun Dewa (Gynura pseudochina (Linn.) DC.) sebagai Antikanker, Tahap II
(2001)Toxicity effects of Gynura pseudochina (Linn). DC extracted with various solvents were assessed in vitro. The extracted compounds were divided into two major groups, semi polar and polar compounds and were tested for ... -
EL NINO MODOKI DAN PENGARUHNYA TERHADAP PERILAKU CURAH HUJAN MONSUNAL DI INDONESIA
(2014-03-06)Penelitian ini bertujuan untuk mempelajari kejadian El Nino Modoki dan pengaruhnya terhadap keragaman curah hujan bertipe monsunal di Indonesia. Selain itu, di dalam penelitian ini juga dikaji perbedaan antara EI Nino ... -
Electrical Properties of Garut Citrus Fruits at Low Alternating Current Signal and its Correlation with Physicochemical Properties During Maturation
(2014)In this research, local citrus fruits, namely Garut citrus, were analyzed for electrical properties related to physicochemical properties. Electrical measurement on fruit was done by using low alternating current with a ... -
Electrical Properties of Photodiode Ba0.25Sr0.75TiO3 (BST) Thin Film Doped with Ferric Oxide on p-type Si (100) Substrate using Chemical Solution Deposition Method
(2011-10)In this paper we have grown pure Ba0.25Sr0.75TiO3 (BST) and BST doped by Ferric Oxide Fe2O3 (BFST) with doping variations of 5%, 10%, and 15% above type-p Silicon (100) substrate using the chemical solution deposition (CSD) ... -
Electrochemical Detection of Zanamivir Using Gold and Gold-Modified Boron Doped Diamond Electrode
(2015)Zanamivir is a neuraminidase inhibitor approved by WHO for treatment and prophylaxis of influenza virus A and B. Quantitative analysis of zanamivir is important to monitor its content in medicine and aquatic environment. ... -
Eliminasi Pengaruh Iklim pada Komoditi Pertanian dalam Penelitian Jangka Panjang
(1997)Fluktunsi hasil tahunan yang diakibatkan oleh pengaruh iklim nrerupakan nrnsalnh .vnng sering dijumpai dalam penelitian jangka panjang pndn bidang pertanian. Hal ini mempersulit upaya pengungkapan iinformasi seperti pengaruh ... -
Environmental Biosensor Development for Organochlorine Pesticides Detection based on Carbon Paste Electrode Modified by Nanoparticle
(2023)Increasing of activity in the agricultural and industrial sectors become undivided part of life. Besides positive impact for humans, these activities also had negative impact in the form of environmental damage caused ...