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UNEJ e-Proceeding
Published by Universitas Jember
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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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
Renewable Energy Conversion with hybrid Solar Cell and Fuel Cell Aris Ansori; Indra Herlamba Siregar; Subuh Isnur Haryuda
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The greater the electrical energy consumption by growth in industrial and residential areas. Potential for solar energy 4.5 KW/m2/day can be converted into electrical energy with a solar cell, biofuel energy can be converted into electrical energy with a fuel cell. solar cell and fuel cell can be used for power generation hybrid renewable energy. Research experiment with designing hybrid renewable energy power plants. Research variable; a) the independent variable; variation of the load ,10 watt, 15 watt, 25 watt, 35 watt, 40 watt; b). The dependent variable: the performance of renewable energy power plants; c) Control variables: capacity 200Wp solar cell and fuel cell 12 watt. The results of the research performance of renewable energy power plants to the electrical energy produced by solar cell range 146,80 - 168,92 watt. Average per day to produce electricity of 168.92 watts x 6 hours of irradiation = 1013.54 Wh. While the fuel cell average of 9.43 watts used to supply electrical energy when the solar cell does not produce electricity. The electrical energy stored in the battery can be turned 125 watt load for 8 hours.
Preparation and Characterization of Cacao Waste As Cacao Vinegar And Charcoal Mohammad Wijaya; Muhammad Wiharto
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Potential waste are still abundant cocoa that has not been widely used by most people, especially farmers who are in the cacao plantations. One way to reduce the building of waste biomass pyrolysis technology which produces smoke that can be inserted into the fluid (liquid smoke and other organic materials) charcoal and some gas (hydrocarbon and methane, H2, and CO2). The purpose of this research is to produce cacao vinegar, activ carbon and charcoal. The results of this research that the pod husks produce ethanol of benzene of 1: 2 at 12.89%, content of hemicellulose 19,97%, cellulose 21,80% and lignin 47.96%. GC MS analysis for cacao waste  Majene produce n -Buthane 8.72%, acetic acid 64.11%, 3.67% cyclopentane, 2 (3H) furanone 2.74%, 1.59% 2 furan methanol, and Mequinol 3.40%. FT-IR analysis for cacao waste  Majene district showed that the wave number 1153.43 cm-1 indicated to dehydration and depolymerization of cellulose and hemicellulose content. Changes aromatic peak at 1737.86 cm -1 indicates the presence of C-H, lignin. While the wave number 3448.72 cm-1 indicate the presence of hydroxyl group (O-H) and the absorbance of 717.52 to 617.22 cm-1 indicates the presence of C = C-H (Aromatic H). XRD analysis results will be obtained the degree of crystallinity charcoal pod husks of 26.60% Waste cocoa with pyrolysis technologies to reduce carbon emissions on the environment in order to be sustainable development and environmental conservation in order to maintain and sustainably.
An Epidemic Model of Varicella with Vaccination Qurrota A’yuni Ar Ruhimat; Imam Solekhudin
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Varicella Zoster Virus (VZV) is a virus that caused Varicella disease. It is important to find the effective ways preventing the transmission of infectious disease primarily caused by viruses. Sometimes the prevention of diseases caused by viruses such as Varicella can’t be prevented, so another effective alternative prevention like vaccination is needed. Here, a mathematic model of Varicella Zoster Virus that influence Varicella is analyzed by checking the stability of equilibrium points and computing the effective reproductive number. The effective reproductive number is computed in order to measure the relative impact for individual or combined intervention for effective disease control. This model has two equilibrium points, a disease-free and an endemic equilibrium point. In terms of its effective reproductive number, if Re<1, the disease-free equilibrium is locally asymptotically stable and the infection will disappear after some period of time. It also means that the vaccination is effective. Whereas, the endemic equilibrium will be locally asymptotically stable if Re>1. It means that the vaccination is not optimal enough to prevent the infection. Simulation models was done by changing the proportion of vaccinated newborn parameters. This simulation used different values φ which is equal to 0.25, 0.5, and 0.75. The using of different value φ aims to determine the effects of the vaccine in newborn against the development transmission of the disease in the population. The Numerical simulations verify the theoretical results and present that the proportion of vaccinated newborn has a significant impact on the Varicella infection.
Analysis of Simultaneous Equation Model (SEM) on Non normally Response used the Method of Reduce Rank Vector Generalized Linear Models (RR-VGLM) Miftahul Ulum; Alfian Futuhul Hadi; Dian Anggraeni
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Multivariate linear regression is a statistical analysis methods used to data in the case of multiple response variables associated with several predictor variables. In this method of analysis there is an assumption of matrix coefficient regression must be full rank. In the case of simultaneous equations, full rank condition is not fulfilled. Consequently, to analyze that case is not possible because it would produce a regression coefficient that is very large so needed reduction in rank. Reduce Rank Regression (RRR) Method is an alternative method in the case where this method if there is a weak regression coefficients will be cut. However, Reduced rank regression method only applies in response which continuous and normal in econometric data analysis and others. Therefore, to overcome that problem so introduced to f analysis method of Reduce Rank Vector Generalized Linear Model (RR-VGLM). This article will discuss simultaneous equations with non-normal variable response using RR-VGLM by simulating non normal conditions.
Isolation And Screening Of Specific Methicillin Resistant-Staphylococcus Aureus Bacteriophage From Hosiptal Waste At Banyumas Chairunisa Fadhilah; Saefuddin Aziz; Hendro Pramono
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The incidence of infections caused by Methicillin-resistant Staphylococcus aureus (MRSA) were increasing in many hospitals around the world every year. The use of antibiotics therapy became ineffective to control MRSA infection, because it was resistant to methicillin and many beta-lactam class of antibiotics. The use of bacteriophage as biological control agent was a promising strategy to control MRSA. Bacteriophage could infect specific bacteria and destroy their cells. Bacteriophages were found widespread in nature. The aim of this research were to isolate MRSA bacteriophages from hospital waste at Kabupaten Banyumas, and screen specific MRSA bacteriophages.The method was survey by using purposive random sampling to take the soil from waste management installation at Kabupaten Banyumas. Bacteriophages were isolated from the soil by bacteriophage particles precipitation technique and plaque assay. Isolated bacteriophages were henceforth tested for their specificity against MRSA and other pathogenic bacteria. Parameters that were observed encompass the presence of plaque, specific MRSA bacteriophages. Data were analyzed descriptively to interpret the presence of plaque bacteriophages, and the ability of bacteriophage to infect specific host cell (MRSA). The result reveals that the MRSA bacteriophages could be isolated from the hospital sewage, and found two types of bacteriophages were specific MRSA bacteriophages and unspecific MRSA bacteriophage.
Optimisation of Extractant and Extraction Time on Portable Extractor Potentiometric Method for Determining Phosphate in Soil Anggia Rose Sukaton; Siswoyo Siswoyo; Bambang Piluharto
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Phosphorus is one of the nutrients which is needed by plants in large amounts. Fertilisation is a popular solution for supplying a sufficient amount of phosphorus in the soil. However, phosphorus can pollute water bodies and lead to eutrophication if fertilisation is carried out without considering prior information about the soil condition. Thus, analysis of phosphorus needs to be done before fertilisation. This paper is reporting a result in development an alternative strategy for analysing the phopsphorus in soil agriculture using potentiometric method. The aims of this research were to find the optimum condition of extractant and extraction time for determining phosphate, one form of phosphorus, in soil and evaluate a portable extractor potentiometric (PEP) method for determining phosphate in soil. Measurement of phosphate was undertaken by using cobalt working electrode, silver-silver chloride reference electrode and 0,025 M potassium hydrogen phtalate at pH 4 as ionic strength adjuster. Evaluation of PEP method was carried out by comparing this method with both the conventional potentiometric (CP) and the standard spectrometric (SS) methods. It was found that Kelowna was the optimum extractant for measuring phosphate potentiometrically in soil by CP method. Extraction time of 10 minutes was the optimum time for extracting phosphate in soil using Kelowna extractand solution. The result also shown that correlation between PEP and CP method was 0.883 whereas correlation between PEP and SS method was 0.924. Linear response characterisation of both PEP and CP method has obtained slope of (-28.47) and (-23.67) mV per decade respectively, in other hand the PEP and CP has resulted the detection limit 0.72 ppm and 0.83 ppm respectively. Repeatability for both PEP and CP method were less than 5%.
Community Strategy for Managing Tropical Forest Resources in The Areaof Cagar Alam Pulau Sempu (Nature Reserve of Sempu Island) Lely Mardiyanti; Rifalatul Isnaini; Sueb Sueb
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Management of Cagar Alam Pulau Sempu (The Nature Reserve of Sempu Island) as ecotourism can increase community life in surrounding it. The objects of this study were to 1) knowing community’s knowledge about management at the Nature Reserves of Sempu Island as ecotourism, 2) knowing community’s participation to supporting management at the Nature Reserves of Sempu Island as ecotourism, and 3) knowing correlation between knowledge and participation in supporting the management of Sempu Island as ecotourism. Data collections were interviews and questionnaires with Guttman Scale which made by researchers and had been tested its validity and reliability. All questions in questionnaire is valid and 100% reliable. Samples for this research were 30 local people at Tambakrejo village. Technique of selecting that samples was accidental sampling. Most of respondents are male in 21─40 years old and graduating from junior or senior high school which are indegineous and andong people. Based on normality and homogenity test, data is homogeneous. It is not distributed normally so hypothesis test using non-parametric correlation of Spearman. Significant value 0.000 < 0.05 so H0 is rejected. Correlation between knowledge and participation is in strong category with Spearman’s correlation coefficient (R) = 0.732. The conclutions of this study are the highest score of community’s knowledge is 97% and its lowest score is 6,7%, the highest score of community’s participation is 97% and its lowest score is 20%, there is correlation between community’s knowledge and community’s participation in the management at Nature Reserve of Sempu Island as ecotourism.
COMPETITIVENESS AND POTENTIAL OF SHEEP LIVESTOCK AS SOURCE INCREASING INCOME AND PROVIDER OF MEAT ANIMAL IN NORTH SUMATRA Sarim Sembiring
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Development of sheep in North Sumatra has a promising future as a source of animal protein provider and increase income. The potential of these animals can be seen from DRCR<1 and the analysis of the feasibility such as N P V +, B / C ratio> 1 and I R R > discount rate shows that sheep deserve to be developed. Development efforts can be done by increasing (1) production and sheep population (2) quality and standards of weight (3) continuity of effort to improve the availability of animal protein and income throughout the year. Development of sheep breeding in accordance with the vision of agribusiness development that sheep can be provider domestic needs and prepare appropriate standards of export markets.
RELATIONSHIP BETWEEN WATER QUALITY AND ABUNDANCE OF CYANOPHYTA IN PENJALIN RESERVOIR Badrun Mahera Agung; Agatha Sih Piranti; Carmudi Carmudi
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Cyanophyta (blue green algae) is one of the divisions of phytoplankton, microscopic aquatic organisms that some of them is harmful because secrete toxins and cause blooming so polluted waters. The purpose of this study was to determine the water quality in the Penjalin Reservoir in terms of physical and chemical parameters, determine abundance of Cyanophyta in Penjalin Reservoir, as well as determine the relationship between water quality with an abundance of Cyanophyta in order to control the blooming of Cyanophyta in Penjalin Reservoir. The method applied in this research is survey. The analytical method used to determine the water quality is descriptive method with table. Abundance of Cyanophyta were analyzed qualitatively and quantitatively. The relationship between physics and chemistry waters with an abundance of Cyanophyta were analyzed using correlation analysis. The results of the research in the waters of the Penjalin Reservoir obtained 25 species of Cyanophyta abundance ranged from 838.16 to 1322.77 ind.l-1, with the highest species abundance owned by Microcystis sp. Diversity index values ranged from 0.7 to 2.15 indicate that the diversity of Cyanophyta is classified, and the dominance index value of 0.009 to 0.29 indicates that no species dominates. Cyanophyta abundance in the waters of the Penjalin Reservoir 37,89% influenced by parameter TDS and Total P (r = 0,501) with equation Y = -701,5 + 33,4 (TDS) + 919,7 (Total P). Water quality in Penjalin Reservoir still within the range of good and decent for the life of organisms present in the reservoir.
PTERIDOPHYTES OF ALAS PURWO NATIONAL PARK AND THEIR MEDICINAL POTENCY Fuad Bahrul Ulum; Dwi Setyati
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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An investigation of Pteridophytes diversity at Alas Puwo National Park, Banyuwangi, East Java Province, Indonesia, was carried out in November 2015. A total 10 species of Ferns fom from 6 families had been identified based on their morphological chracteristic. The species are: Stenochlaena palustris, Cyathea bipinnatifida, Lygodium circinatum, Drynaria quercifolia, Pteris vittata, Cyclosorus aridus, Christella dentate, Pneumatopteris costata, Sphaerostephanos invisus, and Amauropelta bergiana.The medicinal potency from all speciments had been observed based on literature study. Only 5 Species has medicinal poterncy mainly for antimicrobial, wound treatment, and to treat fever.

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