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Umiatin, Umiatin
Program Studi Fisika, FMIPA, Universitas Negeri Jakarta, Indonesia
Aerospace Engineering Humanities Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Other

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PENGARUH KONSENTRASI LARUTAN KOH PADA KARBON AKTIF TEMPURUNG KELAPA UNTUK ADSORPSI LOGAM Cu Erlina Erlina; Umiatin Umiatin; Esmar Budi
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 4 (2015): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2015
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.48 KB)

Abstract

The research on the manufacture of activated carbon made from coconut shell charcoal by using chemical and physical activation has been done. Chemical activation was done by soaking the granulated charcoal into the activator solution of Potassium Hydroxide (KOH). And physical activation was done by passing argon gas into the furnace. The purpose of this research was to determine the effect of variations concentration of the activator solution to the adsorption power of activated carbon for removed heavy metal Cu. Chemical activation was done by soaking the samples for 24 hours in a solution of KOH 30%, 40%, 50% and 60%. While the physical activation was done by using a horizontal furnace at a temperature of 400oC for 1 hour with argon gas flow rate of 200 kg/m3. Samples that have been activated were tested for their ability to adsorb Cu in solution Copper Sulfate. Filtration process used is a batch method, in which the samples were stored in waste and stirred using a magnetic stirrer. The results of analysis by Atomic Absorption Spectrophotometer (AAS) showed the highest adsorption efficiency by 50% KOH activation of 83.57%. And the results of tests that have been performed, the greater the concentration of KOH were given the higher efficiency of adsorption of the Cu metal. But for 60% KOH concentration adsorption efficiency decreases due to pore activated carbon saturated so that the adsorption power decreases. Key words: activated carbon, Potassium Hydroxide, Adsorption, heavy metal.
PENGARUH TEMPERATUR PENGERINGAN PADA AKTIVASI ARANG TEMPURUNG KELAPA DENGAN ASAM KLORIDA DAN ASAM FOSFAT UNTUK PENYARINGAN AIR KERUH Futri Wulandari; Erlina Erlina; Ridho Akbar Bintoro; Esmar Budi; Umiatin Umiatin; Hadi Nasbey
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 3 (2014): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2014
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

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Abstract

Telah dilakukan penelitian mengenai pembentukan arang aktif berbahan arang tempurung kelapa sebagai adsorben. Tujuan penelitian ini adalah mengetahui pengaruh temperatur pengeringan pada aktivasi arang tempurung kelapa dengan asam klorida dan asam fosfat untuk penyaringan air keruh yaitu air tanah. Dalam penelitian ini, arang tempurung kelapa hasil pirolisis di gerus hingga mencapai ukuran granul mikrometer kemudian dibersihkan dalam larutan alkohol 96% dan dipanaskan diatas hot plate selama 30 menit pada suhu ruang. Proses aktivasi arang tempurung kelapa dilakukan dengan merendam arang tempurung kelapa dalam asam klorida dan asam fosfat selama 24 jam. Kemudian campuran tersebut disaring dan dicuci dengan aquades lalu dikeringkan dalam oven dengan variasi temperatur 100 0C dan 150 0C selama 2 jam, setelah itu didinginkan dalam desikator. Semakin tinggi temperatur pengeringan maka semakin sedikit kadar air yang terkandung dalam arang aktif sehingga dapat menghasilkan pori yang semakin besar maka arang aktif yang dihasilkan akan semakin baik. Arang aktif yang mempunyai karakteristik terbaik adalah arang tempurung kelapa yang diaktivasi dengan asam fosfat dengan kadar air 5.699% pada temperatur 1000C dan 5.322% pada temperatur 1500C. Keywords: activated carbon, coconut shell charcoal, sulfuric acid, phosphoric acid.
KARAKTERISASI SENSOR MAGNETIK FLUXGATE KUMPARAN SEKUNDER GANDA MENGGUNAKAN ELEMEN SENSOR MULTICORE Widyaningrum Indrasari; Mitra Djamal; Umiatin Umiatin
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 1 (2012): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2012
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

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Abstract

Fluxgate is a magnetic sensor that capable to measure the magnetic field in a very small order. The basic principle of the fluxgate sensor is by comparing the measured magnetic field with the magnetic field reference. In this paper, we describe the characterization of fluxgate magnetic sensor using the double secondary coil design. Configuration of primary coil winding and secondary coil that be used is 4x40 and 2x60. We use vitrovacs 6025Z (1.5 mm width and 0.025 mm thick) as the sensor core. Sensor characterization with varying amounts of the core layer is made to determine the influence of the core layer to the demagnetization factor and the sensor sensitivity. The demagnetization factor is performed by measuring the dimensions of the sensor element and the inductance of the sensor. The inductance of the sensor is measured using a LCR meter GW Instek 829 series at a frequency of 10 kHz. The calculation results show that the increasing amounts of the vitrovac core layer is proportional to the demagnetization factor. To determine the sensor sensitivity, sensor calibration is performed by giving the external field on the calibration coil in a faraday chamber. From the sensor calibration we get the relationship between the external fields with the sensor output voltage. Based on this relationship, we can calculate the sensor sensitivity in working range ± 4 μT. Sensor sensitivity is inversely proportional to the amounts of vitrovac core layer. Sensor with 2 vitrovac core layers has the highest sensitivity (641 mV / μT), and has the smallest absolute error (0.1 at the point of 3.87 μT). Keywords: fluxgate, external field, vitrovac, sensitivity, demagnetization factor, inductance.
PENGEMBANGAN ALAT UKUR VISKOSITAS AIR SUNGAI TERCEMAR LIMBAH CAIR BERBASIS SENSOR OPTIK TIPE THROUGH BEAM Leni Andayani; Widyaningrum Indrasari; Umiatin Umiatin
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 8 (2019): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2019
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.724 KB) | DOI: 10.21009/03.SNF2019.02.PA.04

Abstract

Dewasa ini ketersediaan air bersih semakin menurun, tidak sebanding dengan kebutuhan air bersih yang kian meningkat. Banyaknya penduduk dan peningkatan industri mengakibatkan produksi limbah cair semakin banyak. Kualitas air yang baik ditentukan berdasarkan beberapa parameter fisis antara lain suhu, kekeruhan, warna, daya hantar listrik, jumlah zat padat terlarut, salinitas, indeks bias, tegangan permukaan, pH dan viskositas. Viskositas merupakan indikator yang penting dalam menentukan kualitas air tercemar, namun alat ukur viskositas sangat terbatas. Oleh karena itu diperlukan pembuatan alat ukur viskositas yang efektif, efisien dan presisi. Pada penelitian ini telah dikembangkan alat ukur viskositas zat cair yang memanfaatkan sensor optik tipe through beam berbasis Arduino Uno R3. Dari hasil karakterisasi sensor viskositas menggunakan viskometer Ostwald diperoleh sensitivitas sensor sebesar 17.31 mV/cP dengan kesalahan relatif maksimum 4.605%. Hasil pengukuran sampel air sungai ( Banjir Kanal Timur (BKT), Bekasi, Cipinang dan Galur ) diperoleh nilai viskositas berturut-turut 1.246 cP, 1.268 cP, 1.248 cP dan 1.546 cP. Hasil pengukuran sampel air sungai menunjukkan bahwa nilai viskositas air sungai tersebut melebihi batas normal air bersih yaitu 1.002 cP pada suhu 200C, sehingga air sungai di atas dapat dikatakan tercemar. Today, the availability of clean water is decreasing, not worth the need for a growing water. Many population and industry improvement resulted in more liquid waste production. Good water quality is determined based on several parameters phisycs among others temperature, turbidity, color, electrical power, the amount of dissolved solids, salinity, refractive index, surface tension, pH and viscosity. Viscosity is an important indicator in determining the quality of polluted water, but the viscosity measuring instrument is very limited. It is therefore necessary to manufacture effective, efficient and precise viscosity measuring instruments. In this study, a liquid measuring instrument has been developed that utilizes the Arduino Uno R3-based through beam type optical sensor. From the results of characterization of viscosity sensors using the Ostwald viscometer obtained sensor sensitivity of 17.31 mV/cP with a maximum relative error of 4,605%. The results of river water sampling (East Canal Flood (BKT), Bekasi, Cipinang and Galur) were obtained in successive viscosity values of 1,246 cP, 1,268 cP, 1,248 cP and 1,546 cP. The results of the river water sample measurement showed that the viscosity of the river water value exceeded the normal clean water limit of 1,002 cP at 200C, so the river water above can be said to be polluted.
PENGUKURAN SALINITAS AIR SUNGAI TERCEMAR LIMBAH CAIR MENGGUNAKAN SENSOR KONDUKTIVITAS Novita Fitriani; Widyaningrum Indrasari; Umiatin Umiatin
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 8 (2019): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2019
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (276.345 KB) | DOI: 10.21009/03.SNF2019.02.PA.10

Abstract

Seiring dengan pertambahan penduduk dan pembangunan ekonomi, jenis dan kuantitas limbah cair semakin besar. Di lain pihak kebutuhan air bersih juga semakin meningkat. Hal ini tidak diimbangi dengan kondisi kualitas air yang semakin menurun. Salah satu syarat air yang dapat dimanfaatkan untuk kebutuhan air bersih adalah air yang memiliki nilai salinitas ≤0.5 ppt. Salinitas menggambarkan kadar garam yang terlarut dalam air. Pada penelitian ini dirancang pengukuran salinitas air tercemar limbah cair menggunakan sensor konduktivitas dan Arduino UNO sebagai sistem kontrol. Penelitian ini bertujuan untuk mengetahui apakah air sungai yang diuji layak dijadikan sumber air bersih berdasarkan parameter salinitas. Hasil karakterisasi sensor menunjukkan sensitivitas sensor sebesar 0.4152 mV/ppt dengan kesalahan relatif maksimum sebesar 5.26%. Pada pengujian salinitas air sungai, diambil sampel yang berasal dari wilayah Cipinang, Banjir Kanal Timur (BKT), Galur, dan Bekasi. Berdasarkan hasil pengujian salinitas, sampel air sungai yang diambil dari keempat wilayah yang berbeda memenuhi syarat salinitas air bersih yaitu ≤0.5 ppt sehingga layak dijadikan sumber air bersih. Along with population growth and economic development, the type and quantity of liquid waste is getting bigger. On the other hand, the need for clean water is also increasing. This is not balanced with the condition of declining water quality. One of the requirements for water that can be used for clean water needs is water that has a salinity value of ≤0.5 ppt. Salinity describes the salt content dissolved in water. In this study, the measurement of salinity of polluted water using a conductivity sensor and Arduino UNO as a control system was designed. This study aims to determine whether river water tested is suitable as a source of clean water based on salinity parameters. The sensor characterization results showed sensor sensitivity of 0.4152 mV / ppt with a maximum relative error of 5.26%. In testing the river water salinity, samples were taken from the Cipinang area, Banjir Kanal Timur (BKT), Galur, and Bekasi. Based on the results of salinity testing, river water samples taken from the four different regions meet the salinity requirements of clean water, namely ≤0.5 ppt so that they are suitable as a source of clean water.
STUDI KARAKTERISTIK KAVITASI LARUTAN MENGGUNAKAN METODE GELOMBANG BERDIRI ULTRASONIK Mutiara Pratama; Umiatin Umiatin; Taryudi Taryudi
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 9 (2020): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2020
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (379.164 KB) | DOI: 10.21009/03.SNF2020.01.FA.23

Abstract

Abstrak Pemisahan partikel merupakan proses untuk mendapatkan zat murni dari suatu zat campuran. Kavitasi adalah terbentuknya gelembung-gelembung dalam aliran fluida akibat penurunan tekanan pada fluida sampai dibawah tekanan uap jenuhnya. Selanjutnya akan erosi kavitasi yaitu pecahnya gelembung–gelembung tersebut akibat tumbukan. Karakteristik kavitasi penting dianalisis dalam sebagai dasar pemisahan partikel. Gelembung kavitasi yang menempel pada partikel yang diberikan iradiasi ultrasonik akan mengarahkan partikel menuju wilayah iradiasi tertinggi. Penelitian ini bertujuan untuk menganalisis karakteristik pergerakan gelembung kavitasi karena iradiasi gelombang berdiri ultrasonik. Variabel yang digunakan dalam penelitian ini adalah jenis larutan, suhu, penambahan SDS (sodium dodecyl sulfate), dan posisi partikel silika pada tiap larutan. Penelitian ini menggunakan tiga jenis larutan yaitu aquades, alkohol, dan campuran alkohol-aquades. Suhu yang digunakan sebesar 28oC dan 100oC. Posisi setiap saat partikel silika dalam larutan yang diiradiasi gelombang berdiri ultrasonik diamati menggunakan kamera Lumix GH5s 4K Mirrorless. Video yang diperoleh selanjutnya diolah dan dianalisis menggunakan software Python. Hasil penelitian menunjukkan bahwa suhu mempengaruhi populasi gelembung kavitasi. Kavitasi pada larutan campuran aquades-alkohol memiliki jumlah kavitasi tertinggi dan kecepatan pemisahan pertikel tercepat dengan waktu 2.5 sekon. Kata-kata kunci: Ultrasonik, Kavitasi, Pemisahan Partikel, Python. Abstract Particle separation is a process to get a pure substance from a mixed substance. Cavitation is the formation of bubbles in the fluid flow due to a decrease in pressure in the fluid until below the saturated vapor pressure, then followed by cavitation erosion due to bubbles collisions. It is interesting to study cavitation phenomena because it is important in the particle separation process. The cavitation bubbles attached to the particles given the irradiation, then it will direct the particles to the highest irradiation region. The purpose of this study was to analyze the movement characteristics of the cavitation bubbles due to ultrasonic standing wave irradiation. The variables used in this study were the type of solution, temperature, the using of SDS (sodium dodecyl sulfate), and the movement of silica particles in each solution. The solution used were distilled water, alcohol, and a mixture of distilled alcohol and water. The solution temperatures were kept on 28oC and 100oC. The silica particles were used to observe the cavitation characteristics of the solution on particle separation. The position of each particle in the solution was observed using the Lumix GH5 4K Mirrorless camera. The data obtained were processed and analyzed using Python software. The results showed that the temperature affected the cavitation bubble population. The aquades-alcohol mixed cavitation has the highest cavitation population and the fastest particle separation speed with a time of 2.5 seconds. Keywords: Ultrasound, Cavitation, Particle Separation, Python.
PENGUKURAN KUALITAS AIR TERCEMAR LIMBAH MIKROPLASTIK BERDASARKAN PARAMETER FISIKA Fitri Sakinah; Widyaningrum Indrasari; Umiatin Umiatin
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 10 (2022): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2021
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.805 KB) | DOI: 10.21009/03.SNF2022.01.FA.12

Abstract

Abstrak Mikroplastik merupakan partikel kecil plastik yang memiliki ukuran kurang dari 5 mm. Keberadaan mikroplastik saat ini sudah terdeteksi di banyak wilayah perairan seluruh dunia. Keberadaan mikroplastik di wilayah perairan berdampak menurunkan kualitas air. Pengukuran kualitas air perlu dilakukan untuk mengetahui kelayakan air yang dapat dikonsumsi sehari-hari. Pada penelitian ini dilakukan pengukuran kualitas air berdasarkan parameter fisika, yaitu pH, TDS, dan salinitas dengan alat ukur yang tersedia di laboratorium. Metode yang digunakan adalah eksperimen, dengan menggunakan sampel buatan yang terdiri dari 10 sampel larutan air murni, 10 sampel larutan air tanah, 10 sampel larutan aquades yang masing-masing sebanyak 100 mL Masing-masing sampel ditambahkan body scrub dengan penambahan massa body scrub sebanyak 1 gram. Variasi massa body scrub yang ditambahkan pada masing-masing sampel dimulai dari 1 gram hingga 10 gram. Hasil penelitian menunjukkan makin tinggi penambahan konsentrasi body scrub menghasilkan nilai pH yang semakin naik, nilai TDS yang semakin naik untuk air minum dan aquades tetapi untuk air tanah nilai TDS semakin turun, dan untuk salinitas tidak terjadi perubahan. Hasil dari nilai pH pada setiap perubahan konsentrasi body scrub terkecil terdapat pada air tanah yaitu 0,0156 pH/g dan untuk nilai TDS terkecil terdapat pada aquades yaitu 1,00 ppm/g. Kata-kata kunci: mikroplastik, kualitas air, parameter fisika, TDS, pH Abstract Microplastics are small particles of plastic that have a size of less than 5 mm. The presence of microplastics is now detected in many territorial waters around the world. The presence of microplastics in aquatic areas has the effect of lowering water quality. Water quality measurement needs to be done to know the feasibility of water that can be consumed daily. In this study, water quality measurement was conducted based on physical parameters, namely pH, TDS, and salinity with measuring instruments available in the laboratory. The method used is experimentation, using artificial samples consisting of 10 samples of pure water solution, 10 samples of groundwater solution, 10 samples of aquades solution of 100 mL each. Each sample is added body scrub with the addition of body scrub mass as much as 1 gram. Variations in body scrub mass added to each sample range from 1 gram to 10 grams. The results showed that the higher the concentration of body scrubs resulted in an increasing pH value, an increasing TDS value for drinking water and aquades but for groundwater the TDS value was decreasing, and for salinity there was no change. The result of the pH value in each change in the concentration of the smallest body scrub is found in groundwater which is 0.0156 pH/g and for the smallest TDS value is found in aquades which is 1.00 ppm/g. Keywords: microplastics, water quality, physical parameters, TDS, pH
THE EFFECT OF STATIC MAGNETIC FIELD EXPOSURE ON BODY WEIGHT AND ADIPOSE CELLS DENSITY OF OBESE MICE Puji Sari; luluk yunaini; Widia Bela Oktaviani; Umiatin Umiatin; Anita Dwi Suryandari
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 15, No 1 (2022): October
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v15i1.16302

Abstract

Obesity is a mojar public health problem in worldwide, especially in Indonesia. Obesity in addition to affecting productivity, is also trigger for other chronic disease such as diabetes and cardiac disease. Body mass index is an assessment tool used to assess degree of individual adiposity to define overweight, obesity, and severe obesity.The determination of obesity is based on the calculation of Body Mass Index (BMI), which devide body weight (kg) by height (cm2). In addition to the method of regulating diet, exercise, and bariatric surgery for weight loss, it was reported that the biophysical therapy tool, that is static magnetic field (SMF) became a modality for weight loss. Based on research reports, it proves that the static magnetic field affects weight loss in the group of obese mice after 30 days of exposure. Therefore, in this study, we carried out static magnetic field exposure to obese mice with a field intensity of 2 mT for 1 hour/day. Mice were exposed gradually to SMF on 2, 7, 14, and 21 days to determine the effectiveness of SMF to obesity in mice in terms of weight loss and cellular adipose cell density. The results showed that the weight of mice decreased significantly on 2nd and 7th days of exposure, the trend showed a decrease in body weight until the 14th day. The density of adipose tissue is increased after exposure to SMF on the 14th and 21st days of exposure. It showed that early exposure to SMF (2 and 7 days) could induce weight loss in mice, while cellularly SMF increased adipose cell density on late exposure (14 and 21 days).
Daur Ulang Minyak Jelantah sebagai Upaya Mewujudkan Eco Green Society Umiatin Umiatin; Tritiyatma Hadi Nugrahaningsih; Fariani Hermin; Sri Rahayu; Nur Indah Arahman Rahim
Jurnal Abdi Masyarakat Indonesia Vol 2 No 6 (2022): JAMSI - November 2022
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jamsi.480

Abstract

Salah satu limbah rumah tangga yang memiliki potensi yang tinggi untuk didaur ulang adalah minyak jelantah. Pada umumnya masyarakat membuang minyak jelantah ke tanah maupun ke saluran air, sehingga menimbulkan pencemaran lingkungan. Minyak jelantah dapat dimanfaatkan untuk membuat produk yang bernilai ekonomis antara lain untuk pembuatan sabun cuci dan lilin aromaterapi. Pada kegiatan pengabdian masyarakat ini, dilakukan pemberdayaan masyarakat melalui pelatihan dan pendampingan kepada kader Posyandu Cempaka Kelurahan Larangan Selatan, Kota Tangerang pada bulan Agustus sampai dengan Oktober 2022. Salah satu kegiatan yang dilakukan adalah pelatihan pembuatan lilin aromaterapi. Metode yang digunakan adalah praktek terbimbing. Para kader dibagi menjadi dua kelompok, masing-masing didampingi oleh satu mahasiswa. Bahan utama yang digunakan adalah minyak jelantah yang sudah dikumpulkan oleh peserta. Diakhir pelatihan, para kader posyandu diberikan angket untuk evaluasi kegiatan pelatihan yang sudah dilakukan dan harapan untuk kegiatan selanjutnya. Secara keseluruhan dapat disimpulkan kegiatan ini berjalan dengan baik dan respon peserta yang sangat antusias selama kegiatan.
OPTIMASI PENEMPATAN SENSOR INFRAMERAH SEBAGAI ALAT UKUR GULA DARAH NON-INVASIF Yolanda Natasya Mega Stella; Umiatin Umiatin; Widyaningrum Indrasari
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 11 (2023): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2022
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/03.1101.FA08

Abstract

Abstrak Seiring dengan peningkatan prevalensi diabetes, penelitian terhadap alat ukur gula darah non-invasif pun mulai dikembangkan, salah satunya menggunakan metode spektroskopi inframerah. Metode ini menggunakan pasangan IR LED dan fotodioda yang diletakkan segaris. Lokasi penempatannya pada bagian tubuh harus diperhatikan agar fotodioda masih mampu menangkap sinar yang dipancarkan oleh IR LED. Untuk itu dilakukan pengambilan data tegangan yang dihasilkan oleh rangkaian fotodioda pada beberapa bagian tubuh sebagai representasi kemampuan fotodioda menangkap sinar inframerah. Pada percobaan didapatkan nilai tegangan paling besar terbaca ketika sensor diletakkan pada jari yaitu pada rentang 1 volt dan tidak ada tegangan terbaca ketika sensor diletakkan pada pergelangan tangan. Hasil ini selanjutnya akan dijadikan acuan dalam menentukan lokasi peletakkan sensor pada alat pemantauan glukosa darah yang dirancang. Kata-kata kunci: diabetes, pemantauan gula darah, non-invasif, sensor inframerah Abstract In the light of the increasing prevalence of diabetes, researchs on non-invasive blood sugar measuring devices have begun to be developed, one of which utilizes infrared spectroscopy methods. This method uses a pair of IR LED and photodiode placed in line. In doing so, the location of its placement in the human body has to be considered, thereby enabling the photodiode to capture the light emitted by the IR LED. Therefore, the voltage data generated by the photodiode circuit in several parts of the body is taken as the representation of the ability of the photodiode to absorb infrared light. A higher voltage value is captured in the range of 1 Volt when the sensor is on the finger. Meanwhile, there is no voltage read on the wrist. The results of this study will be used as a reference to determine the location of the sensor placement in the designed blood glucose monitoring device. Keywords: diabetes, blood glucose monitoring, non-infasive , infrared sensor
Co-Authors Aldaciptarisa, Aldaciptarisa Aulia Rachma, Lu'luunnisa Bestari Laksmi Arafahnti Bunga Falana, Isfasona Cecep E Rustana Danang Trihatmoko, Danang Delila Septiani Dwi Putri Desnita Dwi Anita Suryandari Endang Wijaya Erlina Erlina Erlina Erlina Esmar Budi Esmar Budi Esmar Budi Esmar Budi Fadli Handoyo Farhan Yusuf Fariani Hermin Febrian Zulmi Firmanul Catur Wibowo Fitri Sakinah Futri Wulandari Futri Wulandari Futri Wulandari, Futri Hadi Nasbey Hadi Nugrahaningsih, Tritiyatma Halimah, Nova Nur Haris Suhendar Hayatining Suci Abdilah Heru Prasetio I Made Astra I Made Astra I. M. Astra Ifa, Rista Putri Nur Istantia Chantika, Kinanti Ita Herawati Kartika, Irma Kurniadewi, Fera Leni Andayani Luluk Yunaini M. Jannah Michael Setiyanto Silambi Mitra Djamal Muhammad Ridho Pratama Mutiara Pratama Nabila Amalia Dewi Nadya Hidayatie Novita Fitriani Nur Indah Arahman Rahim Nurhayadi, Muktiningsih Nurul Fadillah Octaviany, Sheila Nurul Mahilda Puji Sari Putri Fajriani, Fathya Putria, Sarah Febriyana Riandini Riandini Ridho Akbar Bintoro Rizky Yusuf Halomoan Salsa Ghina Khairunisa Sastra Kusuma Wijaya Septiani, Elsa Shallu Fidhah Ariyanti Sri Rahayu Taryudi Taryudi Taryudi, Taryudi Tesa Apriyanti Tora Oktaviana Tritiyatma Hadi Nugrahaningsih Widia Bela Oktaviani Widyaningrum Indrasari Yolanda Natasya Mega Stella