A - Mathematics and Natural Sciences: Recent submissions
Now showing items 261-280 of 506
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BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
(International Journal of Pharma and Bio Sciences, 2017-10)Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite compounds with varieties of bioactivity and structural variations; one of its biological activities is as an antimicrobial. ... -
POTENSI DAUN MANGROVE (Rhizopora mucronata) SEBAGAI ANTIDIABETES
(JURNAL ILMIAH MANUNTUNG, 2020-06-25)Rhizopora mucronate is a typical mangrove plant that easly found on the coast of Muara Badak Beach, Kutai Kartanegara Regency, East Borneo, Indonesia. The purpose of this research is to know the activity of active ... -
Skrining Fitokimia dan Bioaktivitas Tumbuhan Bakau Api-Api Putih (Avicennia alba Blume)
(Jurnal Sains dan Kesehatan, 2020-08-20)Penelitian tentang skrining fitokimia dan biokaktivitas ekstrak batang, kulit batang dan daun Bakau Api api putih telah dilakukan. Masing-masing 100 gram bagian tumbuhan diekstraksi dengan cara maserasi menggunakan metanol ... -
Potensi Senyawa Metabolit Sekunder Dari Kulit Batang Melochia umbellata (Houtt) Stapf var. degrabrata paliasa) Sebagai Anti-Tuberkulosis
(Jurnal Sains dan Kesehatan, 2015)Melochia umbellata (Houtt) Stapf var. Degrabrata merupakan jenis tumbuhan yang banyak ditemukan di hutan tropis Indonesia. Di daerah Sulawesi selatan tumbuhan ini dikenal dengan nama paliasa dan sejak lama digunakan oleh ... -
PENENTUAN KADAR ASAM AMINO ESENSIAL (METIONIN, LEUSIN, ISOLEUSIN DAN LISIN) PADA TELUR PENYU DAN TELUR BEBEK
(Jurnal Kimia Mulawarman, 2017-05)ABSTRACT Determination of amino acids essential’s content (methionine, leucine, isoleucine and lysine) on turtle eggs and duck eggs. Turtle eggs and duck eggs are a high animal protein source and easy to obtain. ... -
PEMANFAATAN ABU SABUT KELAPA SEBAGAI KATALIS BASA DALAM PEMBUATAN BIODIESEL DARI MINYAK BIJI JARAK PAGAR (JATROPHA CURCAS. L)
(Jurnal Riset Teknologi Industri, 2015-06)ABSTRAK Penelitian tentang pemanfaatan abu sabut kelapa sebagai sumber katalis basa pada aplikasi reaksi transesterifikasi minyak biji jarak pagar (Jatropha curcas. L) telah dilakukan. Karakterisasi kadar basa dalam ... -
ISOLASI DAN PENENTUAN KADAR MINYAK ATSIRI DARI DAUN DAN KULIT KAYU MANIS (CINNAMOMUM BURMANNII BL.) DENGAN METODE KROMATOGRAFI GAS
(Jurnal Kehutanan Unmul, 2007-04)Abstract. The objectives of this research were to isolate and determine of essential oil content from leaf and bark of cinnamon and to separate eugenol from cinnamomum oil using any variant of NaOH concentrations ... -
PENENTUAN KADAR ASAM AMINO ESENSIAL (METIONIN, LEUSIN, ISOLEUSIN DAN LISIN) PADA TELUR PENYU DAN TELUR BEBEK
(Jurnal Kimia Mulawarman, 2017-05)ABSTRACT Determination of amino acids essential’s content (methionine, leucine, isoleucine and lysine) on turtle eggs and duck eggs. Turtle eggs and duck eggs are a high animal protein source and easy to obtain. ... -
STUDI MOLEKUL KITOSAN SEBAGAI MEMBRAN PENGHANTAR PROTON (H+ ) DENGAN METODE AB INITIO
(Jurnal Kimia Mulawarman, 2019-11)ABSTRAK Penelitian ini bertujuan untuk mengetahui apakah senyawa kitosan mampu menggantikan kinerja nafion sebagai penghantar proton (H+). Proses pengkajian dan perhitungan dilakukan secara kimia komputasi dengan ... -
IMPLEMENTASI BAKU MUTU AIR LIMBAH BERBASIS DAYA TAMPUNG BEBAN PENCEMARAN BADAN AIR PENERIMA PADA KEGIATAN PERTAMBANGAN BATUBARA
(Jurnal Kimia Mulawarman, 2013-05)ABSTRACTThis research is based on the fact that many rivers in East Kalimantan are complained to be polluted by coal mining activities even though many rules to protect surface waters are in place and obeyed. To explain ... -
PEMANFAATAN BIOMASSA BATANG PISANG (Musa paradisiaca) YANG TERIMMOBILKAN PADA ABU BATU BARA SEBAGAI PENGADSORPSI ION LOGAM BESI (Fe)
(Jurnal Pendidikan Kimia, 2014)Abstract The using of banana stem biomass (Musa paradisiaca) was immobility at ash coal as an adsorb in metal ions iron (Fe) have been researhed. The adsoption capacity determine of metal ions iron (Fe) used Isoterm ... -
Diversity, Abundance, Uniform and Dominance of Plantones in the Batu Bumbun Reservat Kutai Kartanegara Regency
(International Journal of Research and Innovation in Social Science (IJRISS), 2021-12-21)The research activity on the Diversity, Abundance, Uniformity, and Dominance of Plankton in the Batu Bumbun Reservat aims to determine the potential of plankton as natural food for fish in a waters that serves as a ... -
PEMANFAATAN KARBON AKTIF DARI BATUBARA KOTOR(DIRTY COAL) SEBAGAI ADSORBEN ION LOGAMCd2+ DAN Pb2+ DALAM LARUTAN
(Jurnal Kimia Mulawarman, 2014-05)ABSTRACTThe research of activated carbon utilization of dirty coal as an adsorbent ion cadmium (Cd) and plumbum(Pb) has been done. In this research, the variations of solutions pH value (1, 2, 3, 4, 5 and 6), contact time(5, ... -
STUDI KUANTUM FARMAKOLOGI SENYAWA TURUNAN SULFONAMIDA2,4 DIAMINO 6 QUINAZOLINE SEBAGAI ANTIMALARIA DENGANMENGGUNAKAN METODE AB INITIO
(Jurnal Kimia Mulawarman, 2014-05)ABSTRAKTelah diterapkan metode berbasis Ab-Initio dalam suatu analisa QSAR (Quantum Structure ActivityRelationship) untuk dapat membuktikan dimana letak pusat aktif senyawa sulfonamida yang telahdiketahui nilai persen ... -
Count Data Modeling Using GAMLSS Approach and Its Application in Dengue Hemorrhagic Fever Cases in East Kalimantan Province, Indonesia
(Science Press, 2021-12-24)Generalized Additive Models for Location, Scale and Shape (GAMLSS) is a robust approach used to model various types and characteristics of data. Therefore, this research aims to model the count data using the GAMLSS approach ... -
PEMANFAATAN ABU BATUBARA SEBAGAI ZEOLIT YANG TERDEALUMINASI DALAM MENGADSORPSI FENOL
(Jurnal Kimia Mulawarman, 2014-11)ABSTRACTA research on the adsorption of phenol with zeolite adsorbent is formed from coal ash by hydrothermal process with the fusion method. In addition, the improvement in the ability of zeolite adsorbtion ... -
PENGGUNAAN MONOMER NAFION SEBAGAI PEMBAWA PROTON (H+) DENGAN METODE TEORI FUNGSI KERAPATAN
(Jurnal Kimia Mulawarman, 2014-11)ABSTRACTResearch which has been conducted in this study aims to determine the use of the compound as a Nafion membrane in a Proton Exchange Membrane system (PEM) Fuel Cells which acts as a ... -
Pemanfaatan Arang Aktif Dari Batubara Kotor (Dirty Coal) Sebagai Adsorben Ion Logam Mn(II) dan Ag(I)
(Jurnal Pendidikan Kimia, 2015-08)Abstract. The research has done about use of activated carbon as an adsorben of dirty coal in metal ions Mn(II) and Ag(I). This research was intended to find the effects of pH value, contact period and to determine the ... -
Analisis kemampuan kiambang (Salvinia molesta) untuk menurunkan konsentrasi ion logam Cu (II) pada media tumbuh air
(Jurnal Kimia Mulawarman, 2013)ABSTRACT This research was purposed to know about the water lettuce (Salvinia molesta) absorption ability for metal Cu (II) ion and the influence of plant sum variation and its contact time. The simulation is done by ... -
UJI ANTIHYPERGLIKEMIK EKSTRAK ETANOL AKAR TEMBELEKAN (Lantana camara L.) TERHADAP KADAR GLUKOSA DARAH MENCIT JANTAN (Mus musculus)
(Jurnal Atomik, 2016)ABSTRACT Phytochemical screening from extract ethanol of tembelekan root has been carried out, its showed the presence of alkaloids, phenol, sapponin and flavonoids. Antihyperglikemik test from ethanol extract of tembelekan ...