Ditapis dengan
Kemampuan Produksi Lakase Trichoderma Sp. Lbkurcc22 Dan Lbkurcc70 Secara Ferm…
SUMMARY Laccase is an oxidoreductase enzyme that is able to oxidize phenolic compounds and use oxygen as an electron acceptor. Laccase enzymes can be produced by fungi such as Trichoderma sp. Laccase produced by fungi can be produced on solid media or Solid State Fermentation (SSF). Rice straw and keruing wood sawdust (Diptorocarpus sp.) are waste containing lignocellulose which can be us…
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- v, 107 hlm.: ill.: 29 cm
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- No. Panggil
- 03 02. 121 (0023)
Produksi Dan Fraksinasi Kromatografi Kolom Metabolit Sekunder Berpotensi Anti…
SUMMARY Penicillium sp. LBKURCC34 is a collection isolate of Biochemistry Laboratory, Department of Chemistry. This isolate is originally from Biosphere Reserve in Giam Siak Kecil Bukit Batu (GSKBB) Province of Riau. The fungus produces potential secondary metabolites that are able to inhibit Escherichia coli. The purpose of this study was to purifiy ethyl acetate extract of the liquid media o…
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0022)
Sintesis, Uji Toksisitas Dan Antioksidan Senyawa (1-(Naftalen-2-Il)Etiliden)H…
SUMMARY Hydrazone is an organic compound that has a basic structure (R1R2C=N-NR3R4). Azomethine (-NHN=CH) is the active group of the hydrazone compound, which makes this compound has a variety biological activities. In this research, the synthesis of the hydrazone compound (1-(naphtalene-2-il)ethyliden)hydrazine (IHK-AN2) obtained from the condensation reaction between 2-acetylnaphtalene and h…
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0021)
Pengaruh Waktu Hidrotermal Pada Sintesis Zsm-5 (Zeolite Socony Mobile-5) Dari…
SUMMARY Kaolin as natural minerals contains silica and alumina therefore it is potential as basic material for synthesizing process of ZSM-5. This study aimed to carry out synthesizing zeolite from kaolin with addition PEG template by setting hydrothermal times from 12 until 48 hours at a hydrothermal temperature of 140 °C. ZSM-5 was synthesized in molar composition 1SiO2: 0.0067Al2O3 : 0.88 …
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0020)
Isolasi Senyawa Metabolit Sekunder Dan Uji Toksisitas Ekstrak Etil Asetat Da…
ABSTRACT Rhizophora mucronata is a type of mangrove that has diverse secondary metabolites. Secondary metabolites in Rhizophora mucronata include alkaloids, flavonoids, tannins and phenol compounds. The purpose of this study was to isolate secondary metabolites and to determine toxicity test by BSLT method. Leave extraction was carried out using warm water and then extracted with ethyl acetate…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0019)
Isolasi Metabolit Sekunder Dan Uji Toksisitas Ekstrak Etanol Dari Daun Bakau …
SUMMARY Rhizophora mucronata is a type of mangrove that has a variety of secondary metabolite compounds. Secondary metabolites in Rhizophora mucronata include alkaloids, flavonoids, tannins, and other phenol compounds. The purpose of this study is secondary metabolite isolation of mangrove leaves Rhizophora mucronata and toxicity test using BSLT method. This research was carried out using …
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0018)
Analisis Interaksi Senyawa Aktif Biji Pinang (Areca Catechu L.) Terhadap Rese…
SUMMARY Depression is a mental illness characterized by emotional instability, difficulty concentrating, lack of interest in fun things, physical disturbances (difficulty sleeping and eating), feeling a bad future or quickly giving up, and thoughts of suicide. One of the causes of these depression symptoms is due to the catalytic activity of the MAO-A enzyme which can destroy monoamine compoun…
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- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- 03 02. 121 (0017)
Karakterisasi Dan Penentuan Waktu Kontak Optimum Arang Aktif Buah Jabon Putih…
SUMMARY White Jabon fruit (Anthocaphalus cadamba) can be used as an adsorbent in the form of activated charcoal because it has chemical content in the form of cellulose and protein. This research aims to determined the adsorption ability of white jabon fruit towards mercury (II) ions. The adsorbent was made by carbonization at 300 ºC for 30 minutes and activated using NaOH, then charcoal was …
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0016)
Penentuan Aktivitas Enzim Lakase Trichoderma Asperellum Lbkurcc1 Yang Telah D…
SUMMARY Laccase are extracellular enzymes containing metal ions which used oxygen compounds to catalyze the oxidations process of various aromatic and nonaromatic compounds. The purpose of the study was to separating laccase enzyme and determining laccase spesific activity from the isolate fungus T. asperellum LBKURCC1. Laccase enzymes fractination process was carried out by two steps, that wa…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0015)
Sintesis Dan Uji Toksisitas Senyawa (E)-7-(2- Metoksibenziliden)-3-(2-Metoksi…
SUMMARY Pyrazoline is a dihydropyazole derivative which is included in the azole group of compounds with a heterocyclic-5 structure containing 2 nitrogen atoms, has various biological activities such as anticancer, antiinflation, antioxidants, and antimalarials. The purpose of this study was to synthesize the analog compound pyrazoline (E) -7- (2-methoxybenziliden) -3- (2-methoxyphenyl) -2…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0014)
Efisiensi Adsorpsi Pada Variasi Ph Lingkungan Penjerapan Ion Merkuri Oleh Ara…
SUMMARY White jabon fruit (Anthocephalus cadamba) is a less than optimal utilization of biomass. White jabon fruit contains good cellulose as a base for making activated charcoal which is used as an adsorbent in the Hg2+ ion adsorption process. Therefore, this study aims to determine the optimum environmental characteristics and pH of the adsorption power of mercury ions (Hg2+). Activated char…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0013)
Efek Waktu Iradiasi Microwave Fly Ash Boiler Dari Cangkang Kelapa Sawit Terha…
SUMMARY Fly ash is waste that produced from the burning process of palm oil shells and fiber in the engine of boiler. Fly ash contains of metal oxides such as SiO2, CaO, MgO and Al2O3 which have potential as the adsorbent. The aim of this study was to determine the optimal absorption time of methylene blue by fly ash from microwave irradiation and to characterize the fly ash before and after a…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0012)
Analisis Tiga Metode Penentuan Aktivitas Enzim Α-Amilase
SUMMARY α-amylase enzyme is a biocatalyst in the process of hydrolyzing starch into reducing sugar molecules (maltose). The enzyme activity as a biocatalyst can be calculated based on the number of moles of the substrate that is hydrolyzed into product per unit time, or the number of moles of product produced per unit time. The method used to measure the number of moles of starch substrate hy…
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0011)
Sintesis Dan Uji Toksisitas Analog Kurkumin Asimetris 1-Benzil-3-((E)-4-Kloro…
SUMARRY Curcumin is a phenolic compound found in turmeric (Curcuma longa L.) with biological activity as an antioxidant, anti-inflammatory, chemopreventive and chemotherapy. This study aims to synthesize and identify and test the toxicity of the 1-benzyl-3-((E)-4-klorobenziliden)-5-((E)-4-metoxybenziliden)piperidin-4-on (CAS-4OMe-4Cl). The compound was obtained from microwave irradiation with …
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0010)
Sintesis Dan Uji Toksisitas Senyawa Analog Kurkumin Asimetris 1-Benzil-3-((E)…
SUMMARY Curcumin is a compound diferuloylmethane and the related compoud are bioactive phytochemical compounds that are generally isolated from the rhizome of Curcuma Longa. L ( Tumeric ). Curcumin analogue compounds are compounds that have the same or even better pharmalogical propeties when compared to curcumin compounds. The asymmetric curcumin analogue 1-Benzyl-3-((E)-4-Chlorobenzyliden)-5…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0009)
Sintesis Dan Karakterisasi Zeolit Dari Lempung Alam: Pengaruh Waktu Aging Dan…
SUMMARY Potential of natural clay in Maredan Village, Siak Regency, Riau Province is quite high, but this natural clay has not been optimally utilized. Maredan natural clay has a high content of silica and alumina, so that it can be used as a raw material in zeolite synthesis. During zeolite synthetic process, aging time and crystallization temperature are determining factors. The effect of ag…
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0008)
Lempung Maredan Sebagai Bahan Baku Pembuatan Zsm-5 Dengan Bantuan Templat Pol…
SUMMARY High content of SiO2 and Al2O3 in maredan clay originating from Siak Regency, Riau Province can be used as raw material in zeolite synthesis. This clay consists of the minerals kaolinite, illite and quartz. Zeolite is a hydrated aluminosilicate mineral that contains alkaline and alkaline earth metals. Zeolites can be used as catalysts and adsorbents. Zeolite is more widely used because…
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- xiv, 74 hlm.: ill.: 29 cm
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- 03 02. 121 (0007)
Pengaruh Ion Perak Terhadap Transformasi Birnessite Menjadi Cryptomelane Dan …
ABSTRACT Birnessite and cryptomelane are typical layered and tunnel manganese oxides and both can be used as a heterogeneous catalysts for the degradation of organic wastes using heterogeneous Fenton reaction. The aim of this study was to synthesize birnessite and cryptomelane using 5 variations of reflux times (1, 3, 6, 9 and 12 hours) with precursors of KMnO4 and C6H12O6 using Ag+ (AgNO3) as…
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- ix,112 hlm.: ill.: 29 cm
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- 03 02. 121 (0006)
Sintesis Zeolit Dari Lempung Alam Pasca Kalsinasi 750oc: Pengaruh Waktu Aging…
SUMMARY Zeolite is a hydrated aluminosilicate mineral which contains alkaline and alkaline earth metals. Zeolite has adsorption ability, cation exchanger, and high hydrothermal stability. Study of the synthesis of zeolites based on Maredan natural clay has been widely used, but it still has low crystallinity. Aging time and reflux temperature are two factor which influence the crystallinity of…
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- v, 107 hlm.: ill.: 29 cm
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- 03 02. 121 (0005)
Efek Waktu Iradiasi Microwave Abu Dasar Boiler Cangkang Kelapa Sawit Terhadap…
SUMMARY Boiler bottom ash produced from the burning process of palm oil shells at a temperature of 900℃ in the boiler unit of palm oil mill are abundant solid waste. This solid waste has a high enough silica content and a small particle size, but on the other hand this material has not been utilized. This study aims to treat and utilize boiler bottom ash waste by making it an adsorbent. Boil…
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- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0004)
Karya Umum 
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Ilmu-ilmu Sosial 
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Ilmu-ilmu Murni 
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Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah