Ditapis dengan
Isolasi Dan Uji Antibakteri Senyawa Metabolit Sekunder Ekstrak Etil Asetat Da…
SUMMARY Stenochlaena palustris is a species of the genus Stenochlaena that grows in swampy are as and around palm trees, where it frequently forms dense thickets and spreads to cover the ground. Numerous species in this genus have been reported to be antioxidants and antibacterial agents. The purpose of this study is to isolate secondary metabolites from ethyl acetate extract and to evaluate a…
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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0030)
Pengaruh Ph Dan Suhu Terhadap Aktivitas Enzim Lakase Trichoderma Asperellum L…
ABSTRACT Laccase Trichoderma asperellum LBKURCC1 an oxidoreductase enzyme with the ability to oxidize various phenolic groups using oxygen as an electron acceptor. Laccase activity can be affected by pH and temperature. In this study, the determination of fractionated laccase activity was investigated in order to obtain higher laccase activity than crude extract activity. Determination of lacc…
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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0029)
Sintesis Dan Studi Molecular Docking Senyawa Kalkon (E)-3-Fenil-1-(3-(4-(Piro…
SUMMARY Chalcones are composed of two benzene rings connected by a carbon α,β- unsaturated carbonyl structure and has various bioactivity, such as antibacterial, anticancer, antioxidant and inhibitor tyrosinase. For the further development of chalcone compounds, this research has carried out the synthesis of chalcone derivatives and the determination of their activity as a tyrosinase inh…
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- Deskripsi Fisik
- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0028)
Pengolahan Air Gambut Pasca Koagulasi Menggunakan Adsorben Arang Cangkang Bij…
SUMMARY Rubber seed shells (Hevea brasiliensis) contain fiber and various carbon compounds such a cellulose, hemicellulose, and lignin which are potentially used as adsorbents. In this study, rubber seed shell was carbonized at 500°C for 15 minutes and activated with H3PO4 activator. Various concentrations to find the best conditions of activator H3PO4 are 5; 10; 15%. Activated charcoal produ…
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- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0027)
Pengolahan Air Gambut Pasca Koagulasi Menggunakan Adsorben Arang Cangkang Bij…
SUMMARY Rubber seed shells (Hevea brasiliensis) are one part of the rubber seed that is not widely used, so it only becomes waste in rubber-producing areas. Rubber seed shells have chemical composition of cellulose, lignin, and pentosan as a carbon source, which potentially to be used as charcoal which functions as an adsorbent. This research aims to convert rubber seed shells into charcoa…
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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0026)
Pengaruh Massa Adsorben Buah Jabon Putih (Anthocephalus Cadamba) Terhadap Efi…
SUMMARY White Jabon fruit (Anthocephalus cadamba) can be used as an adsorbent because of its chemical compositions such as cellulose and lignin, which are the basic ingredients in making activated charcoal. The aim of this study was to determine the characterization of activated charcoal and to determine the optimum mass of activated charcoal to the adsorption of Hg2+ ions. In the first stage,…
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- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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- 03 02. 121 (0025)
Seleksi Dan Uji Aktivitas Selulase 16 Isolat Bakteri Endofit Dari Akar Mangro…
SUMMARY Cellulase enzymes are enzymes that have many benefits both in vitro and in vivo. In vitro, this enzyme is used as a biocatalyst for certain reactions in industry, while in vivo it can be used to convert cellulose waste into products of economic value. In thisstudy, 16 isolates were selected from 47 endophytic bacterial isolates from the mangrove roots of Bruguiera sp, which are a colle…
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- Deskripsi Fisik
- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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- 03 02. 121 (0024)
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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- Deskripsi Fisik
- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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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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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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
- Judul Seri
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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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- Deskripsi Fisik
- v, 107 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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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- Deskripsi Fisik
- 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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- Deskripsi Fisik
- ix,112 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 02. 121 (0011)
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