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All Journal Jurnal Teknik Mesin Jurnal Pendidikan Ekonomi (JUPE) Biotropika Jurnal Penelitian Ekonomi dan Bisnis Seminar Nasional Teknik Kimia Kejuangan Jurnal Penelitian Pendidikan IPA (JPPIPA) Syntax Literate: Jurnal Ilmiah Indonesia Journal of Health Policy and Management Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan JURNAL VISIONIDA Jambura Edu Biosfer Journal Jurnal Loyalitas Sosial: Journal of Community Service in Humanities and Social Sciences Jurnal Biosense International Journal of Community Service Proceedings Series on Physical & Formal Sciences Prosiding Seminar Nasional Program Pengabdian Masyarakat International Journal of Biology Education Towards Sustainable Development Formosa Journal of Science and Technology (FJST) Formosa Journal of Sustainable Research (FJSR) Lux Mensana: Journal of Scientific Health Jurnal Manajemen, Akuntansi, Ekonomi Proceeding of International Conference Health, Science And Technology (ICOHETECH) Mestro ELPOSYS: Jurnal Sistem Kelistrikan Prosiding Seminar Informasi Kesehatan Nasional Benefit : Journal of Bussiness, Economics, and Finance Jurnal Pemberdayaan Masyarakat Nusantara Life Science and Biotechnology
Aditya Kurniawan
University of Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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RESPON FISIOLOGI IKAN NILA (Oreochromis niloticus) AKIBAT PAPARAN TIMBAL NITRAT (Pb(NO₃)₂) DAN KADMIUM KLORIDA (CdCl2) Savira, Nadyatul Ilma Indah; Fikri, Kamalia; Kurniawan, Aditya; Wahono, Bevo
JURNAL BIOSENSE Vol 8 No 3 (2025): Edisi Juli 2025
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas PGRI Banyuwangi, Jalan Ikan Tongkol No 01, Telp (0333) 421593, 428592 Banyuwangi 68416

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/biosense.v8i3.5419

Abstract

Logam berat seperti timbal (Pb) dan kadmium (Cd) merupakan polutan berbahaya yang dapat mengganggu fungsi fisiologis organisme akuatik, termasuk ikan nila (Oreochromis niloticus). Penelitian ini bertujuan untuk mengetahui respon fisiologis ikan nila terhadap paparan Pb(NO₃)₂ dan CdCl₂ pada konsentrasi 1 ppm selama 3 jam. Parameter yang diamati meliputi kecepatan respirasi, morfometrik saluran pencernaan, serta parameter hematologi seperti jumlah eritrosit, leukosit, dan kadar hemoglobin. Hasil menunjukkan bahwa paparan CdCl₂ memberikan efek toksik lebih kuat dibandingkan Pb(NO₃)₂, dengan penurunan signifikan pada jumlah eritrosit, kadar hemoglobin, dan kecepatan respirasi. Sementara itu, paparan Pb(NO₃)₂ juga menyebabkan penurunan hemoglobin dan eritrosit, serta perubahan warna organ pencernaan seperti empedu dan hati, namun efeknya tidak sebesar CdCl₂. Kedua logam berat meningkatkan jumlah leukosit sebagai respons imun terhadap stres oksidatif. Hasil ini mengindikasikan bahwa logam berat, terutama Cd, dapat mengganggu sistem pernapasan, peredaran darah, dan fungsi pencernaan ikan nila.
ANALISIS PENGARUH WAKTU KERJA DAN KONDISI KERJA TERHADAP KEPUASAN KERJA TENAGA KESEHATAN DI RUMAH SAKIT Kurniawan, Aditya; Sari, Mey Reza Selviana
Prosiding Seminar Informasi Kesehatan Nasional 2024: SIKesNas 2024
Publisher : Fakultas Ilmu Kesehatan Universitas Duta Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47701/sikenas.vi.3941

Abstract

Kepuasan kerja tenaga kesehatan di rumah sakit menjadi salah satu poin penting untuk motivasi dan meningkatkan efektivitas kerja, tingginya kepuasan kerja dapat meningkatkan performa tenaga kesehatan dan kepuasan pasiennya. Namun, rendahnya kepuasan kerja mengakibatkan kelelahan dan kecenderungan peningkatan turnover tenaga kesehatan yang akan memperburuk kondisi fasilitas kesehatan khususnya di rumah sakit. Tujuan penelitian untuk melakukan meta analisis dari penelitian-penelitian sebelumnya yang telah dilakukan tentang pengaruh waktu kerja dan kondisi kerja terhadap kepuasan kerja tenaga kesehatan di rumah sakit. Penelitian ini merupakan meta analisis dengan PICO. Population: tenaga kesehatan. Intervention: waktu kerja panjang dan kondisi kerja baik. Comparison: waktu Kerja pendek dan kondisi kerja buruk. Outcome: kepuasan kerja. Artikel yang digunakan dalam penelitian ini diperoleh dari empat database yaitu PubMed, Google Scholar, Science Direct, SpringerLink, BMJ, Garuda, SINTA, dan Perpustakaan Nasional Republik Indonesia. Kata kunci yang digunakan untuk mencari artikel “Working Hours” ATAU “Working Hours Long” DAN “Working Condition” ATAU “Working Condition Good” DAN “Job Satisfaction” DAN “Health Workers” DAN “Multivariat”. Artikel yang digunakan adalah full text bahasa inggris dari tahun 2014 hingga 2024. Artikel dipilih menggunakan diagram alir PRISMA dan dianalisis menggunakan aplikasi (RevMan) 5.3. Sebanyak 17 artikel studi cross-sectional dari dari negara Belgium, Canada, China Denmark, Ethiopia, Israel dan Swiss. Berdasarkan analisis, tenaga kesehatan dengan waktu kerja tinggi menurunkan kepuasan kerja 0.47 kali dibandingkan tenaga kesehatan dengan waktu kerja rendah dan secara statistik signifikan (aOR=0.47; CI 95%=0.12 hingga 0.92; p=0.030). Tenaga kesehatan dengan kondisi kerja aman meningkatkan kepuasan kerja 2.75 kali dibandingkan tenaga kesehatan dengan Kondisi Kerja tidak aman dan secara statistik signifikan (aOR=2.75; CI 95%=1.59 hingga 4.78; p=0.003). Waktu kerja panjang menurunkan kepuasan kerja tenaga kesehatan dan Kondisi kerja baik meningkatkan kepuasan kerja tenaga kesehatan.
Penerapan PSAK Aset Tak Berwujud PT. Telekomunikasi Indonesia (Persero) Tbk Kurniawan, Aditya; Reza, Agnanda; Gusmiarni, Gusmiarni
Jurnal Manajemen, Akuntansi, Ekonomi Vol. 4 No. 2 (2025): Jurnal Manajemen, Akuntansi, Ekonomi (September)
Publisher : CV. Era Digital Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59066/jmae.v4i2.1391

Abstract

Penelitian ini meninjau penerapan akuntansi aset tak berwujud pada PT Telekomunikasi Indonesia (Persero) Tbk berdasarkan PSAK 19 (2014). Metode analisis isi digunakan dengan menelaah laporan keuangan 2020–2024. Fokus kajian mencakup pemisahan aset tak berwujud dan goodwill, pengungkapan masa manfaat, metode amortisasi, serta nilai tercatat. Hasil menunjukkan Telkom telah memenuhi tiga dari empat kriteria, kecuali pada aspek pemisahan goodwill. Temuan ini menegaskan perlunya peningkatan transparansi laporan keuangan.
In Silico Primer Design for geographical detection of Apis florea using Cytochrome c oxidase subunit 1 (COX1) gene Shullia, Nurul Insani; Kuswati, Kuswati; Kurniawan, Aditya; Fiarani, Hajar Syifa
Life Science and Biotechnology Vol. 1 No. 1 (2023): May
Publisher : Department of Biology, Faculty Mahematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/lsb.v1i1.40052

Abstract

The yellow dwarf honey bee, Apis florea are well distributed in South Asia to South East Asia. This species is expanded and introduce area from their original distribution. However, the distribution of this honey bee in Indonesia is unexplored. The cytochrome c oxidase subunit 1 (COX1) gene are success to detect original geographic of introduce A. florea found in Egypt. The A. florea specific primer of COX1 gene are needed to produce the molecular marker for geographical origin detection. Thus, this study aims to in silico design the COX1 gene primer of A. florea using Primer3 and Primer-BLAST. This study results the best candidate primer of Af6_COX1_F and Af6_COX1_R primers that start from 212 to 983 regarding the A. florea COX1 gene (NC_021401) and produce 772 bp of amplicon. The melting temperature of forward primer are 54. 63 and 55.58°C, GC content of 40 and 45%, GC clamp of 3 and 2 for forward and reverse primer, respectively. There are no secondary structure of those primer and 100% homolog with A. florea COX1 sequences, thus those primer is potentially as the geographical origin marker of A. florea.
Design of Moringa Leaf Dryer Based on Programmable Logic Control Laboratory Scale Yudha, Fitroh Anugrah Kusuma; Fadullah, Ikhsan Fakhri; Kurniawan, Aditya; Ardiyansyah, Nur
Formosa Journal of Science and Technology Vol. 3 No. 8 (2024): August 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v3i8.10780

Abstract

Moringa plants can be found in most tropical and subtropical climates. In some parts of Indonesia, the plant is called kelor or marungga. People need the tree as a source of protein, vitamins, minerals, and carbohydrates. The plant contains more than 90 nutrients, antioxidants, and 8 essential amino acids, called the ‘elixir tree’. The problem with this plant is that its leaves are easily damaged when picked. One way to avoid this is to perform a drying process. This Moringa dryer consists of an inner cabinet made of aluminum and an outer side made of zinc. The cabinet measures 40 cm long, 35 cm wide, and 35 cm high, has three shelves arranged horizontally, and each shelf can dry between 100 grams to 200 grams of moringa leaves simultaneously. In addition, it has a heater consisting of two 125-watt heaters and two upper and lower fans. In the first experiment, Moringa leaves were dried for 9 hours at 40°C, yielding 30g of dried leaves from 100g of fresh leaves. The second experiment lasted 6 hours at 50 °C, yielding 30 g of dried leaves from 100 g of fresh leaves. Finally, the leaves were dried for 3 hours at 60°C, yielding 30g of dried leaves from the initial 100g. These results also show a large weight loss at various temperatures and durations. After calculating the percentage of weight loss, it was found that the leaves lost 70% of their weight. Outseal PLC can automatically control the drying process according to the pre-programmed program. Temperature and humidity sensors maintain the nutritional quality and texture of the moringa leaves produced by controlling the dryer environment appropriately. This tool can be used easily by users without requiring high technical skills.
CFD Simulation and Efficiency Analysis of Natural Gas Ejector-Booster System Kurniawan, Aditya; Nuzuladzmi, Rafida Nariswari; Afni, Amanda Lailia Nur
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Natural gas production involving several gas-well streams with different operating pressure creates a problem, especially for lower-pressure streams. Usually, a compressor unit is installed to enable a lower-pressure stream to tie in the higher-pressure stream. However, this solution requires high costs and investment related to compressor operation. Natural gas ejector provides an alternative, where a higher-pressure stream act as the motive fluid to withdraw the lower-pressure stream.  This work aims to simulate the flow inside the ejector using ANSYS Fluent CFD simulator. The model used is validated to published data by other authors. Ejector efficiency is calculated for several operating pressure and ejector geometry: ratio of mixing tube length to diameter. We found that the variation in L/D ratio of mixing tube in current study did not significantly affect the ejector performance. Conversely, it was strongly affected by both motive and suction pressure, where the entrainment ratio is generally higher for lower pressure ratio. On the other hand, the efficiency of ejector process exhibited an optimum behavior, where we obtained the highest efficiency of 26.7% at pressure ratio of 0.1765. Therefore, this result can be utilized as the recommended operating condition.
RELATIONSHIP OF ATTITUDE, KNOWLEDGE AND FAMILY SUPPORT FACTORS TO CHI-SQUARE TEST-BASED HYPERTENSION CONTROL EFFORTS Kurniawan, Aditya; Dewi Arini, Liss Dyah
Proceeding of the International Conference Health, Science And Technology (ICOHETECH) 2023: Proceeding of the 4th International Conference Health, Science And Technology (ICOHETECH)
Publisher : LPPM Universitas Duta Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47701/icohetech.v4i1.3387

Abstract

Hypertension is one of the big challenges in Indonesia. Hypertension is a type of dangerous disease. The urgency of this research is the number of hypertension patients at the Ngoresan Community Health Center, Surakarta which is increasing every year. The objective problem in this research is the increase in the number of hypertension patients every year so that research is needed on the relationship between knowledge, attitudes and family support to efforts to control hypertension. The importance of this research is as an effort to control hypertension which continues to increase every year by means of interviews and distribution of brochures and key chain. The aim of this research is to analyze the factors of knowledge, attitudes and family support towards efforts to control hypertension in patients at the Ngoresan Community Health Center, Surakarta. The stages of this research are cross sectional approach. The sample consisted of 86 respondents. The sampling technique uses the accidental sampling method. The statistical test used is Chi-Square with (α=0.05). The results of this research are that there is a relationship between knowledge and efforts to control hypertension with a p-value = 0.003 (<α=0.05), there is a relationship between attitudes and efforts to control hypertension with a p-value = 0.011 (<α=0.05 ) and there is a relationship between family support and efforts to control hypertension with a p-value = 0.034 (<α=0.05).
Integrating Extremely Low Frequency Magnetic Field Studies in Science Education: “A Case Study on 500 kV Extra High Voltage Transmission Lines" Sudarti, Sudarti; Sumardi, Sumardi; Bektiarso, Singgih; Muldayani, Wahyu; Helianti, Dina; Aziz, Ayu Munawaroh; Kurniawan, Aditya; Dermawan, Rio; Ardiani, Tania; Rista Setiani
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.9948

Abstract

Introduction: Until now, the impact of Extremely Low Frequency electromagnetic field radiation (ELF-EMF) by extra high voltage transmission lines (500 kV-EHVTL) is still debated. While WHO recommends a threshold of magnetic field exposure of 100 µT for up to 24 hours/day is declared safe for health. This study aims to examine the Integration of Extremely Low Frequency Magnetic Field Studies in Science Education: "Case Study on 500 kV-EHVTL". This study is important to support literacy in Environmental Physics and Environmental Radiation courses. The location of the study is a 500 kV EHVTL building located in Gondang Wetan District, Pasuruan Regency, East Java, Indonesia. Measurement of ELF magnetic field intensity using the EMF Tester-827 tool. The measurement position is at point 0 (directly below), and lateral distances of 50m, 100m, 150m, 200m, and 250m from the EHVTL power grid cable, as well as distances of 0m, 1m, 5m, 10m, and 15m from the EHVTL power grid tower. The intensity of ELF magnetic field exposure just below the EHVTL reached a value of 5.73 µT-10,085 µT (increased 170-234 times) compared to the natural magnetic field. While several research results prove that exposure to magnetic fields with an intensity of around 10 µT in vitro causes an increase in cell proliferation. Increased cell proliferation in the human body can have negative effects on health. Based on the research results it was concluded that an increase in the intensity of ELF magnetic field exposure up to 170-234 times can cause biological effects at the cellular level and has the potential to cause health impacts on humans. it is advisable to avoid living under the EHVTL network, and the WHO recommendation that the threshold exposure value of 100 µT is declared safe for humans exposed for up to 24 hours/day needs to be reviewed
The Perceptions of the Pre-service and In-service Biology Teachers on Artificial Intelligence in Biology Learning Kurniawan, Aditya; Hariyadi, Slamet; Prabowo, Abram Setyo; Savira, Nadyatul Ilma Indah
International Journal of Biology Education Towards Sustainable Development Vol 4, No 1 (2024)
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53889/ijbetsd.v4i1.432

Abstract

This study aimed to determine the perceptions of pre-service biology teachers and in-service biology teachers on artificial intelligence in Biology learning. AI has recently become a new trend and has changed many aspects of life. Artificial intelligence allows machines to learn from experience, adapt to new inputs, and perform human-like tasks like ChatGPT, launched in Q4 of 2022. The survey method used in this study. We used a questionnaire from 42 respondents of in-service teachers and pre-service teachers, respectively. Selected teachers were senior high school biology teachers who have used the independent curriculum in their schools. This study showed that the pre-service biology teachers (69%) had higher perceptions than in-service biology teachers (40.5%). This result followed by AI usage; 28.6% of pre-service biology teachers and 7.1% of in-service biology teachers used AI daily. However, the pre-service and in-service biology teachers believed that AI could be implemented in the new curriculum to increase student achievement on biology subject. This study concluded that the perceptions of to use AI is still low. So, AI must be introduced to the pre-service and in-service biology teachers.
Design of 600 WP Solar Power Plant for Juice Vendors Through Off-Grid System Yudha, Fitroh Anugrah Kusuma; Riyanta, Bambang; Fadullah, Ikhsan Fakhri; Kurniawan, Aditya
Formosa Journal of Sustainable Research Vol. 3 No. 8 (2024): August 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjsr.v3i8.10737

Abstract

Solar power plants (PLTS) generate electricity from the energy of solar photons. Solar cells, or solar cells made of crystalline silicon, are examples of solar panels that generate electricity through the photovoltaic effect. Thus, the construction of solar power plants (PLTS) is one of the right choices to save energy. The purpose of this study is to utilize the energy that is owned and to introduce it to the surrounding community.  The community has widely used solar power generation (PLTS) technology, one of the main components of solar power plants is solar photovoltaic technology, which is used to operate juice blenders, cup sealers, and energy-efficient lighting. PLTS functions as an alternative energy source to help juice traders. Based on solar energy for this off-grid system, it has a power capacity of 3 x 200 WP. This monocrystalline solar panel also has a 300 Ah VRLA battery, a 2000 W inverter, and a 50 A solar charger controller (SCC). In addition, the PLTS off-grid system for juice traders has blender equipment, cup sealers, and lighting with an average power rating of 600 Watts. With an efficiency calculation of 80%, this system can be fully used to support business operations. This study is to develop and Design a 600-watt peak Solar Power Plant using an off-grid system for juice vendors that costs Rp. 22,000,000, including all essential components and services needed to ensure that the system can operate properly
Co-Authors Afni, Amanda Lailia Nur Anugerah, Nabella Maya Ardi, Iwan Aminto Ardiyansyah, Nur Aziz, Ayu Munawaroh Bambang Riyanta, Bambang Bevo Wahono Bhisma Murti Buinda , Meista Bilgis Dermawan, Rio Dewi Arini, Liss Dyah Dhendy Zaki Ridwan Dina Helianti Erni Ummi Hasanah Fadullah, Ikhsan Fakhri Farida Indriani Fiarani, Hajar Syifa Gandakusuma, Imo Gusmiarni, Gusmiarni Hasanah, Erni Ummi Helmy Mukti Himawan, Helmy Mukti Kamalia Fikri Khamdani, Haris Kholilatul Wardani, Kholilatul Kuswati Kuswati Liss Dyah Dewi Arini Luky Adrianto M.Z, Yumarlin Maharani, Nadia Devi Muhajir Muhajir, Muhajir Muhamad Soleh Mujiyana Mujiyana Nadyatul Ilma Indah Savira Nanda Wulandari, Nanda Nurul Insani Shullia Nuzuladzmi, Rafida Nariswari Prabowo, Abram Setyo Raharti, Rini Rahman, Muhammad Budi Nur Reny Yuniasanti Retno Lantarsih Reza, Agnanda Rista Setiani Santosa, Tito Hadji Agung Sari, Mey Reza Selviana Singgih Bektiarso Slamet Hariyadi Sosiati, Harini Sudarti Sudarti Sumardi . Suminto, Joko Syafitri, Try Ssa Devi Tamtomo , Didik Tania Ardiani Taryo Totok Suwanda Ulfa Elfiah Wahyu Muldayani Warso Warso, Warso Widodo Widodo Yudha, Fitroh Anugrah Kusuma Yumarlin M. Z.