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INDONESIA
Jurnal TEMAPELA
Published by Universitas Andalas
ISSN : 26210878     EISSN : -     DOI : -
Core Subject : Science, Education, Social,
Biochemistry, Genetics & Molecular Biology Education Environmental Science Materials Science & Nanotechnology
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium ini merupakan jurnal elektronik yang memuat artikel ilmiah tentang Teknologi dan Manajemen Pengelolaan sebuah laboratorium, terutama laboratorium Pendidikan dan penelitian. Disamping itu, jurnal ini juga sebagai wadah komunikasi ilmiah antara Pranata Laboratorium Pendidikan (PLP) dengan pihak-pihak yang biasa bekerja di laboratorium baik sebagai pengelola, peneliti maupun laboran. Setiap naskah yang terbit telah disertai dengan DOI sehingga naskah akan tersedia secara luas di dunia maya.
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Articles 50 Documents
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Development of system monitoring of laboratory air quality based on hybrid wireless sensor network SIONLAP Rochmad Fauzi
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

The research develop a wireless sensor network device as a feature of the SIONLAP application to support the laboratory room air quality monitoring system. Support for this system provides user access rights by the function and organizational structure of the Department of Electrical Engineering, Faculty of Engineering, State University of Malang, the main tasks and functions of the academic community, and laboratory managers. Testing of air quality monitoring system devices uses the black-box type Boundary Value Analysis (BVA) technique. Data changes in temperature and humidity values at each node are recorded, then displayed on the Thingspeak server and the SIONLAP application. The product being developed has several characteristics, at node 1 it has an error value of an average temperature of 0,27% and humidity of 1%. At node 2, the average temperature error value is 0,37% and humidity is 0,73%. Based on the product test values developed for the Luxtron 8000 calibrator, the device developed is feasible to be applied to support improved laboratory management and services.
Service optimalization for laboratory of metal working engineering by utilizing information and communication technology Hendri Sulistyo; Mutaufiq Mutaufiq; Cahyo Puji Asmoro; Ricky Cahyasari Putra
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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This study aims to optimize services in the laboratory by utilizing information and communication technology for all practicum requiring tools. The goal is to optimize services by developing lending and returning services using information and communication technology software. The method used is research and development by conducting experimental research and distributing questionnaires to students, technicians and educational laboratory administrators (PLP) of the use of information and communication technology. Optimization of laboratory services begins with the use of information and communication technology with the use of management information system software, then testing and applying conventional services compared to information and communication technology software in metalworking engineering laboratories. Furthermore, the service performance that has been applied is recorded and calculated to determine the optimization of changes in conventional services to information and communication technology. The questionnaire was distributed to get an assessment from users, namely students and PLP as materials for developing information and communication technology that had been used. The results of this research are 83.8% of the time efficiency of information tool services from conventional services to information and communication technology for the search for 5 tools. Equipment borrowing efficiency is 45% and tool return efficiency is 48.5%. Thus, the use of information and communication technology is optimal for use in practicum laboratories.
Analisis validation for fat content measurement by extractor and soxhlet methods with variation in the purity of the N-hexane solvent Nugraha Yuwana
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

Generally, the determination of fat content in food is based on the SNI 01-2891-1992 method. But, the JP Selecta extractor can also be used for fat content analysis in a shorter time. The use of two different types of equipment without cross-examination may give a different result. The use of solvents with different purity also triggers differences in test results. This research had been aimed to determine the comparison of fat content with different test methods and balance the two test results with the most optimal extraction results as a reference. This research used a completely randomized design (CRD) with 2 types of factors, namely the test method (soxhlet and extractor) and the solvent purity (technical, distillate, and pro-analysis). Based on the analysis of variance, variations in solvent purity and different types of test equipment / methods had a significant effect on fat content. Pro-analyst solvent was preferred for fat content analysis because the purity reaches 99%. The equalization of the fat test results was done by changing the extraction time on JP Selecta to 2 hours 20 minutes, untill the analysis of variance results on the two methods showed an unsignificant effect or were considered equivalent.
The effect of application of TCA (trichloroacetic Acid) solution on Mda (Malondialdehyde) Levels in Blood in Plasma Before and After Storing at Cold Temperatures Putjha Melati
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

This study aims to determine the effect of using a solution of Trichloroacetic Acid (TCA) on the levels of Malondialdehyde (MDA) in Blood Plasma before and after being stored at low temperatures. Malondialdehyde (MDA) level test was carried out using the thiobarbituric acid-reactive substance (TBARS) test method using a spectrophotometer. Data analysis was carried out statistically using the t test. The test results showed that TCA stored at cold temperatures showed more color changes compared to the use of TCA stored at room temperature which did not change color after being given a solution of Thiobarbituric acid (TBA) and heated. The value of MDA levels in samples using TCA solutions stored at cold temperatures was greater than samples using TCA solutions stored at room temperature. The results of the statistical test on the t test showed that t count > t table and p < 0.05, it was concluded that there was a significant effect and difference between samples using TCA solution stored at cold temperatures and samples using TCA solution stored at room temperature. room. From these results, further research is needed to validate the method used so that the data obtained has been validated and can be used as a reference for practicum methods and research on MDA levels at the Research Laboratory, Faculty of Medicine and Health Sciences (FKIK), Bengkulu University.
Utilization of a submersible pump as a plankton sampler for low-cost ecology practicum Dhiyauddin Aridhowi; Sitoresmi Prabaningtyas; Rina Tri Turani Saptawati; Diah Ayu Eka Fitriana; Yuslinda Annisa
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 4 No 1 (2021): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

The Van Dorn Bottle-water sampler which was operated during the plankton sampling practicum at the Department of Biology, FMIPA, State University of Malang experienced various obstacles, such as the tool being too heavy to use, difficulty opening and pouring water into the bottle, and the water sample bottle cap prone to falling and lost. These constraints affect the sampling of plankton that is less than optimal. Modification and use of the submersible pump is expected to replace the Van Dorn Bottle-water sampler to maximize plankton sampling. The submersible water collection pump is designed using five basic components, namely: a submersible pump, elastic-plastic hose, flow meter, timer, and battery power source, and can be used for various types of waters. Submersible pump trials were carried out at Ranu Grati lake, Pasuruan, East Java. The test results can be seen that the operation of the water pump is 5.9 kg lighter, can take more samples than the van dorn bottle-water sampler by 19.6 times and can take samples 35 seconds faster in each replication. With these advantages, the submersible pump can be used in plankton sampling practicum activities.
Pemanfaatan Limbah Padat Cangkang Kerang Simping (Placuna placenta linnaeus) Untuk Pengolahan Limbah Cair Laboratorium Fitriyani Fitriyani; Heryana Umrah; Khusnul Yaqin
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 5 No 1 (2022): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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The pollutants contained in laboratory wastewater are phosphate, nitrate and ammonium . This study aims to determine the effectiveness of scallop shells (Placuna placenta linnaeus) as an adsorbent for the mentioned pllutants in laboratory wastewater. The scallop shells used in this study were converted into flour/powder with a particle size of 60 mess and activated at 800°C for 4 hours. Variations in the treatment of adding 10 g, 25 g and 50 g of scallop flour each with a contact time of 1 hour and three replications. Sample analysis was performed using the UV-Vis Spectrophotometer method. The results of the ANOVA test analysis showed that the effectiveness of the scallop shell adsorbent in absorbing phosphate waste was not significantly different (pvalue > 0.05) to the various treatments of the adsorbent. The absorption efficiency value of scallop shell adsorbent for heavy treatment on phosphate levels in laboratory waste was 97.60%, while for nitrate waste the absorption efficiency was 37.27%. The different doses of the adsorbent added showed a different 10 g treatment (p value 0.0454 <0.05) from the 25 g treatment but not significantly different from the 50 g treatment (p vaue 0.999 > 0.05). Whereas for ammonia waste there was no adsorption process after adding scallop shell adsorbent. The results showed that scallop shell waste has the potential as an adsorbent in laboratory waste to reduce phosphate and nitrate levels.
The Effect Of Constructing Wastewater Treatment Treatments (Wwtp) With Filtration Media For Reducing Bod5 And Cod Levels Of The Laboratory Wastewater Of The Poso Midwifery Study Program Poltekkes Kemenkes Palu Marlina Fitriya Lailatul K; Lisda Widianti Longgupa; Khuzaifah Khuzaifah Khuzaifah
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 5 No 1 (2022): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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The purpose of this study was to determine the effect of establishing wastewater treatment plant (WWTP) coupled with filtration media for decreasing levels of BOD5 and COD in laboratory wastewater. The research used quasi experimental method with one group pretest posttest design. The statistical test was used through the non-parametric test, namely Wilcoxon. The results showed that there was a decrease in the average COD level score before treated with the intervention, which was 144.515 (SD = 80.39). The the average COD level score after the intervention was 39.877 (SD = 22.236) with an average decrease of 104.638. Meanwhile, the average score of BOD5 levels before the intervention was 73.375 (SD = 41,505) and the average score after the intervention was 19,826 (SD = 11,539) with an average decrease of 53.549. The statistical test showed that there was a significant difference in between before and after the intervention with a value of 0.000 (p<0.05). Regarding to the obtained results,it can be concluded that there is an effect of making WWTP with filtration media on the reduction of BOD5 and COD levels of wastewater at the Poso Midwifery Laboratory of Poltekkes Kemenkes Palu
Rancang Bangun Freewheeling DC Terkontrol Untuk Menunjang Praktikum Elektronika Daya I Wayan Lastera
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 5 No 1 (2022): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Controlled DC is a type of DC voltage ignition involving power electronic components, as an effort to meet the electrical power needs of certain loads, whether resistive, inductive or capacitive. In power electronics practicum, controlled DC testing with inductive loads is less than optimal due to equipment limitations. To overcome this, in this research a controlled DC freewheeling design was created and tests were carried out: 1. Controlled DC testing with a resistive load in series with an inductive whose inductance value was varied without applying freewheeling. 2. Controlled DC testing with a resistive load in series with an inductive load whose inductance value is varied by applying freewheeling. The aim of this research is to determine the potential of freewheeling design, as an effort to further optimize controlled DC performance testing with resistive, inductive and capacitive loads in power electronics practicum. The test data obtained was tabulated, analyzed descriptively. The results obtained show that in test 1, the DC output voltage has a part left on the negative side. In test 2, the DC output voltage has no part left on the negative side. Freewhweeling functions well and makes testing in power electronics practicum more optimal.
Teknik Isolasi, Pemurnian dan Karakteristik Bakteri Penghasil Senyawa Antibiotik Pada Tanah di Kawasan Jurusan Biologi FMIPA UNSRI Rosmania Rosmania; Winta Efrinalia; Ani Rahmi
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 5 No 1 (2022): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Usaha untuk mendapatkan bakteri yang menghasilkan senyawa antibiotik terus menerus dilakukan, ini dikarenakan banyak antibiotik yang resisten terhadap bakteri penyebab infeksi sehingga muncul jenis bakteri yang lain yang struktur DNAnya sudah berubah. Metode isolasi yang digunakan untuk mendapatkan bakteri adalah spread plate method (sebar). Metode ini digunakan karena bakteri penghasil senyawa antibiotik yang dihasilkan ditandai dengan terbentuknya zona bening disekitar koloni bakteri, sehingga mudah dilakukan pemurnian bakteri. Penelitian ini bertujuan untuk mendapatkan isolat bakteri penghasil senyawa antibiotik dengan teknik spread plate method (sebar) yang sesuai dengan Good Laboratory Practice untuk digunakan sebagai bahan praktikum di Laboratorium Mikrobiologi. Tahapan penelitian yang dilakukan meliputi isolasi dan pemurnian bakteri, uji aktivitas antibakteri, karakterisasi morfologi dan biokimia. Hasil penelitian ini menyimpulkan bahwa teknik isolasi dengan spread plate method (sebar) menghasilkan bakteri penghasil antibiotik yang baik dengan isolat bakteri terbaik yang didapat adalah isolat BA5 yang mempunyai kemampuan untuk menghambat pertumbuhan bakteri Escherichia coli ATCC 25922, memiliki karakter morfologi berbentuk irregular, gram positif, bentuk sel basil, memiliki endospora, aerob dan tidak memiliki katalase.
Efficiency and Effectiveness of Defatting with Various Extraction Methods and Solvent Purity Nugraha Yuwana; Ni Ketut Leseni
Jurnal Teknologi dan Manajemen Pengelolaan Laboratorium Vol 5 No 1 (2022): Jurnal Teknologi Dan Manajemen Pengelolaan Laboratorium (Temapela)
Publisher : Labor Dasar dan Sentral Universitas Andalas

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Abstract

Chemical analysis in the laboratory such as crude fiber content, dietary fiber content or starch content generally required defatting which made the analysis more optimal. Some defatting was done by maceration method but there were some methods such as soxhlet (lfat content analysis) and an extraction method using one extractor or single soxhlet. The solvents used for defatting grades also vary, such as pro-analyst and technical. This study used a completely randomized design (CRD) with 3 levels factor for factors A and B, and 2 levels factor of factor C. Factor A was the type of raw material, while factor B and C were defatting method and solvent purity, respectively. The results showed that the use of various defatting methods and differences in solvent purity/grade had a significant effect on sesame seeds, chicken meat, and sausages. The samples fat which extracted the most, were sesame seeds used the single Soxhlet method and pro-analyst benzene solvent. The highest extracted fat of sesame seeds achieved 93% with single Soxhlet method. In general, the most optimal defatting method recommended for continued research or laboratory practice was single soxhlet with pro-analyst or technical solvents.

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