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UNEJ e-Proceeding
Published by Universitas Jember
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Articles 107 Documents
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Search results for , issue "2016: Proceeding The 1st International Basic Science Conference" : 107 Documents clear
High Performance Liquid Chromatography of Amino Acids Using Potentiometric Detector With A Tungsten Oxide Electrode Yeni Maulidah Muflihah; Zulfikar Zulfikar; Siswoyo Siswoyo; Asnawati Asnawati; Qurrota Ayun
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

High Performance Liquid Chromatography (HPLC) method combine with potentiometric detector was applied as a method for analysis of amino acids (aspartic acid, glutamic acid and arginine). The separation was carried out on a C18 column with isocratic elution of  a mixture of acetonitrile and phosphat buffer. Potentiometric detector using a tungsten oxide electrode as working electrode and Ag/AgCl as refference electrode. The detection method was based on the presence of H+ ions from amino acids. This application was a development of previous studies that was succesfully applied to detect the presence of amino acids in batch and flow systems. Amino acid determination was characterized by its retention time. Retention time of aspartic acid, glutamic acid and arginine were as follow: 8,46; 13,0; and 15,21 minutes. The optimized separation conditions obtained at a flow rate of 1,2 mL/min with 15% acetonitrile concentration, buffer pH 6,5 with phosphat concentration of 5x10-4 M. Detector performance tested by the recovery test of samples, and the results obtained for glutamic acid, aspartic acid and arginine respectively: 89,1%, 94,9%, and 110%. Linear range obtained at 10-3 M to 10-7 M.  Detection limit were 1,58x10-7 M for glutamic acid, 6,58x10-8 M for aspartic acid and 6,51x10-8 M for arginine.
Using Logistic Regression to Estimate the Influence of Adolescent Sexual Behavior Factors on Students of Senior High School 1 Sangatta, East Kutai-East Kalimantan Darnah Darnah; Memi Norhayati
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Adolescence is a transitional stage of physical and psychological development that generally occurs during the period from puberty to legal adulthood. Puberty is the time in which a child's sexual and physical characteristics mature. Adolescents have been found at high risk for many negative health consequences related to sexual risk-taking behavior, including infection with human immunodeficiency virus, other sexually transmitted disease, and unintended pregnancy. This research aims to determine the relationship between the reproductive health knowledge and using gadget with adolescent sexual behavior using chi- square test. Additionally, binary logistic regression was used to modeling it. Subjects in this research are students of Senior High School 1 Sangatta, East Kutai-East Kalimantan. The research shows that reproductive health knowledge has a relationship with adolescent sexual behavior. The students have reproductive health knowledge are good to have adolescent sexual behavior unrisk 2.6 more than students have reproductive health knowledge are bad.
On Total r-Dynamic Coloring of Several Classes of Graphs and Their Related Operations Kusbudiono Kusbudiono; Desi Febriani Putri; Dafik Dafik; Arika Indah Kristiana
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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All graphs in this paper are simple, connected and undirected. Let r, k be natural numbers. By a proper k-coloring of a graph G, we mean a map c : V (G) → S, where |S| = k, such that any two adjacent vertices receive different colors. A total r-dynamic coloring is a proper k-coloring c of G, such that ∀v ∈ V (G), |c(N(v))| ≥ min[r, d(v) + |N(v)|] and ∀uv ∈ E(G), |c(N(uv))| ≥ min[r, d(u) + d(v)]. The total r-dynamic chromatic number, written as χ ′′r (G), is the minimum k such that G has an r-dynamic k-coloring. Finding the total r-dynamic chromatic number is considered to be a NP-Hard problems for any graph. Thus, in this paper, we initiate to study χ′′ r (G) of several classes of graphs and and their related operations.
On the edge r-dynamic chromatic number of some related graph operations Novian Nur Fatihah; Arika Indah Kriatiana; Ika Hesti Agustin; Dafik Dafik
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

All graphs in this paper are simple, nontrivial, connected and undirected. By an edge proper k-coloring of a graph G, we mean a map c : E(G) ! S, where jSj = k, such that any two adjacent edges receive different colors. An edge r-dynamic k-coloring is a proper k-coloring c of G such that jc(N(uv))j min (r; d(u) + d(v) ???? 2) for each edge uv in V (G), where N(uv) is the neighborhood of uv and c(S) = c(uv) : uv2S for an edge subset S. The edge r-dynamic chromatic number, written as r(G), is the minimum k such that G has an edge r-dynamic k-coloring. In this paper, we will determine the edge coloring r-dynamic number of a comb product of some graph, denote by G D H. Comb product of some graph is a graph formed by two graphs G and H, where each edge of graph G is replaced by which one edge of graph H.
THE EFFECT OF MYCORRHIZAL INOCULANT AND COMPOST OF VOLCANIC ASH ON GROWTH AND YIELD OF CHILLI (CAPSICUM ANNUM L.) Ernitha Panjaitan; Nur Syntha Napitupulu; Ezra Matondang
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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The purpose of this research is to determine the effect of mycorrhizal inoculation and volcanic ash as composting material on growth and yield of chilli. The materials used were mycorrhizal inoculant, chilli seeds of local varieties, cow feces, volcanic ash, EM4, and molasses. This research was conducted in the village Payung, District of Tanah Karo, North Sumatera Province, started from May to September 2015. The research consists of several steps, those were the producing of the compost, analysis of chemical composition, and biological test by cultivating chilli seeds using inoculating micorrhizal and compost of volcanic ash. Observed physical parameters were temperature and pH during the composting process. Observed chemistry parameters were including: organic carbon (C), nitrogen(N), phosphorus (P2O5), potassium (K2O), and C/N ratio. Biological parameters were the plant height, the number of branches, total fruit yield, wet weight root, and root dry weight. Design of the experiment was used factorial randomized block design consisting of two factors and three replications namely providing mycorrhizal consiststed of 3 levels ; without any mycorrhizal, with mycorrhizal 3, 5 and 7 g / plant, and compost of volcanic ash consists of 3 levels ; without any compost of volcanic ash, 1, 2 and 3 kg/bed. The data were analyzed with analysis of variance α = 5%, continued by Duncan's Multiple Range Test α = 5%. The result showed that using of volcanic ash as composting matter gave no effect on composting process. Based on the results chemical analysis of the soil showed improved soil fertility (C: 4,25%; N: 1.83%; P: 1.06 ppm; K: 0.35%,C/N : 2,32% and pH: 7.2). Biological test showed that mycorrhizal inoculation 7 g/plant give a real contribution to increase the plant height, the number of branches, total fruit yield, wet weight root, root dry weight. The compost of volcanic ash up to 3 kg / bed show no significant difference on the growth and yield of chilli peppers.
The Effort To Increase Production of Super Red Dragon Fruit (Hylocereus costaricensis) By Artificial Pollination Neni Andayani; Lailatun Naria Latifah; Theresia Maria Astuti
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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This study aims to increase production of super red dragon fruit (Hylocereus costaricensis) by artificial pollination. The study was conducted from January to April 2016 at dragon fruit plantation located in Sleman, Yogyakarta, Indonesia. The research was done on two groups of artificial pollination. Those were P0, P1 and P2. P1 was a group of the pollen derived from white dragon fruit (Hylocereus Undatus), P2 was a group of the pollen derived from red dragon fruit (Hylocereus polyrhizus), and P0 was a group of super red dragon fruit natural pollination as control. Artificial pollination of fruit set was done by tapping pollen on the stigma of super red dragon fruit flowers receptive. The results showed that artificial pollination with white dragon fruit pollen or red dragon fruit pollen can increase the weight of super red dragon fruit production 11% larger than the weight of super red dragon fruit production on natural pollination.
EFFECT OF DISSOLVED NUTRIENT CONCENTRATION (NITRATE AND ORTHOPHOSPHATE) ON ABUNDANCE OF CHLOROPHYTA IN PENJALIN RESERVOIR BREBES REGENCY Novi Ariyanti; Carmudi Carmudi; Christiani Christiani
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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This study aimed to find out the concentration of nitrate and orthophosphate in Penjalin Reservoir’s water, to find out community structure (abundance, diversity and dominance) of Chlorophyta in Penjalin Reservoir’s water and to confirm the effect of nitrate and orthophosphate concentration on Chlorophyta’s abundance in Penjalin Reservoir’s water. Survey method was performed at 6 station namely the center, the inlet and the outlet. Sampling was done 3 times with 4 weeks interval each. Water quality was analysed descriptively based on the criteria of quality standard in PP No. 82 tahun 2001 class III. The abundace of Chlorophyta was counted with volumetic method. The diversity was analysed with Shanon-Wienner’s diversity index, while the dominance was analysed with Simpson’s dominance index. The effect of nitrate and orthophosphate concentration on Chlorophyta’s abundance was confirmed with correlation and regression analysis. Nitrate concentration was 0.348 mg.l-1 - 0.568 mg.l-1. Orthophosphate concentration was 0.006 mg.l-1 – 0.075 mg.l-1. Chlorophyta’s abundance was 2.418 – 6.955 ind.l-1 with Tetraedron minimum as the most abundant species. Diversity index (H′) value was 2,08 – 2,75 and dominance index (C) value was 0,08 – 0,21. The effect of nitrate and orthophosphate concentration on Chlorophyta’s abundance was strong proven by correlation coefficient (r) value at 0,797 and determination coefficient value at 0,635 (63,50%). The regression equation was Y = 42,14 + 145 Nitrate + 1.280 Orthophosphate.
EFFECT OF MEDIUM COMPOSITIONS ON THE GROWTH OF RICE (ORYZA SATIVA L. CV. CIHERANG) CALLUS Ruliana Umar; Yossi Wibisono; Netty Ermawati
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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The efficiency of in-vitro regeneration of rice is spesific, which means a suitable medium for the regeneration of one variety may not be similar to other varieties. In this study, eksplan was derived from sterile radical of Ciherang var. This experiment consist two steps. First, induction of callus, and the second step was callus regeneration. The formulation for calli induction consists of three levels, such as i1 (2.4 D 2 ppm), i2 (2.4 D 3 ppm + BAP 0.25 ppm + Casein Hydrolisate 300 ppm + Proline 600 ppm) and i3 (2.4 D 2 ppm + Kinetin 0.5 ppm + Casein Hydrolisate 500 ppm + Proline 500 ppm) with N6 as a basic medium. Callus generated from those media then used in the next experiments for shoot regeneration which consists of two factors, the first factor was concentration of hormones BAP (r) (1 ppm, 2 ppm) and the second factor was concentration of the hormone Kinetin (k) (1 ppm, 2 ppm) with MS as a basic medium. The results showed that the highest embryogenic callus was obtained from i3 treatment by 62,96%. The fastest rate of greeny callus and the emergence of shoots were found in i2r2k2 and i2r2k1 treatments. The results indicated that the media supplemented with high concentration of Kinetin (2 ppm) was more effective to induce the greeny of callus, and slightly lower concentration (1 ppm) leads to the formation of shoots.
CLINICAL MANIFESTATION OF ORAL TUBERCULOSIS Atik Kurniawati; Ni Made Mertaniasih; Mangestuti Agil
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Tuberculosis (TB) is chronic infectious disease caused by Mycobacterium tuberculosis. According to WHO report, it infected almost one third people and Indonesia has been 5th position in the world. Tuberculosis is classified clinically as Pulmonary and Extra Pulmonary. Extra pulmonary tuberculosis can occur in the lymph nodes, meninges, kidneys, bone, skin and even oral cavity that we called oral tuberculosis. The oral tuberculosis may manifest in various form : ulcer, gingivitis, nodules, granulomatous, tuberculoma and osteomyelitis. The purpose of this paper to explain the clinical manifestation of oral tuberculosis.
DIRECT SCATTERING PROBLEM FOR MICROWAVE TOMOGRAPHY Agung Tjahjo Nugroho
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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The Direct scattering problem is composed in a pair of integral equations. The equivalence current density and the ratio of dielectric contrast are set as variables by applying volume equivalence principle. The problem is solved using the method of moment (MM). The MM solutions are compared to the exact solutions. The results show that the MM solution is accurate. Perfect solution is generated for scattering from a wide range dielectric contrast. But, it is sensitive to cell’s size. A good result is provided at comparably small cell’s size.

Page 10 of 11 | Total Record : 107

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