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All Journal Jurnal Natur Indonesia JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Jurnal Teori dan Aplikasi Fisika Journal of Multidisciplinary Applied Natural Science Journal of Energy, Material, and Instrumentation Technology Jurnal Abdimas Kartika Wijayakusuma Makara Journal of Technology
Sri Wahyu Suciyati
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Rancang Bangun Alat Deteksi Kadar Kolesterol Dalam Darah Dengan Teknik Non Invasive Berbasis Mikrokontroler Wemos D1 R1 Yuniar, Noeris; Supriyanto, Amir; Ayu, Humairoh Ratu; Suciyati, Sri Wahyu
Journal of Energy, Material, and Instrumentation Technology Vol 6 No 3 (2025): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.213

Abstract

Cholesterol level checks are generally performed either invasively or using a portable blood test strip. It requires a long laboratory analysis time and causes pain in the body, so a non-invasive tool is needed to check cholesterol levels. The study aims to detect cholesterol levels in the blood with a non-invasive technique based on the Wemos D1 R1 Microcontroller using the DS100A Oximeter Sensor. This tool is equipped with a Liquid Crystal Display (LCD) as a cholesterol level display and an LED light as a cholesterol level indicator that will light up red when cholesterol is high (>=240 mg/dL), light up yellow when cholesterol is at the high limit (200-239 mg/dL), and light up green when cholesterol is normal (<=200 mg/dL). Cholesterol level measurement is done by utilizing the red LED light emission on the sensor attached to the finger. Then, the photodiode will capture the light intensity from the red LED into a voltage value. A 10-bit ADC on the microcontroller then reads the voltage value. The ADC value was then converted into a cholesterol level in milligrams per deciliter (mg/dL) using a linear regression equation. The designed device is capable of detecting cholesterol levels in the range of 150-240 mg/dL. Test results indicate that the non-invasive cholesterol level test device has been successfully developed, with a precision of 98.85% and an error of 1.15%. Accuracy testing yielded a value of 97.14% with an error of 2.86%.
The Effect of NaOH on the Synthesis of Nano ZnO Using Red Betel Leaves (Piper crocatum) by Green Synthesis Method Nurcahayaniati, Hikmah; Manurung, Posman; Suciyati, Sri Wahyu; Asmi, Dwi
Journal of Energy, Material, and Instrumentation Technology Vol 6 No 3 (2025): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.227

Abstract

ZnO has been produced using a green synthesis method. This research aims to determine the effect of  NaOH variations on ZnO nanoparticles obtained using red betel leaf extract. The variation of  NaOH used is 0,2; 0,4; 0,6;  the characterization carried out was Fourier Transformation Infra Red (FTIR), X-Ray Difraction (XRD),   Scanning Electron  Microscopy (SEM), dan Ultra Violet Vissible (UV DRS) the results of FTIR  characterization show that the functional groups in red betel leaves play a role in the information of  ZnO nanoparticles, XRD characrerization shows diffraction peaks of ZnO nanoparticles and the presence of NaNO3 phase at 0,2; 0,4; 0,6; and 1 M variation. Then, the SEM results showed a spherical morphology at a 1 M variation, and the UV-DRS results showed an absorption peak at 331 nm and a band gap energy of 3.11 eV.
Pelatihan Penyusunan Standar Operasional Prosedur (SOP) Berstandar ISO 9001 untuk Standardisasi Pengelolaan Laboratorium IPA SMP Supriyanto, Amir; Suciyati, Sri Wahyu; Pauzi, Gurum Ahmad; Junaidi, Junaidi; Aprilia, Ayu
Jurnal Abdimas Kartika Wijayakusuma Vol 6 No 3 (2025): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v6i3.1081

Abstract

Laboratorium merupakan jantung dari pembelajaran IPA. Pembelajaran IPA yang menyeluruh wajib mengaktifkan penggunaan laboratorium. Namun, pengelolaan Laboratorium IPA khususnya di SMP Kabupaten Lampung Timur belum terstandarisasi dengan baik. Standarisasi dalam bentuk SOP merupakan hal penting untuk panduan pelaksanaan praktikum, pengelolaan alat dan bahan hingga masalah keselamatan. Merujuk dari fenomena tersebut, tujuan pelatihan ini untuk meningkatkan kemampuan guru IPA dalam penyusunan SOP berstandar internasional ISO 9001:2015. Peserta pelatihan mencakup guru-guru IPA SMP di Kabupaten Lampung Timur. Pelatihan menerapkan tiga metode yaitu pemberian materi, praktik penyusunan SOP, dan presentasi dokumen. Evaluasi kegiatan untuk mengukur pemahaman peserta diukur dengan ujian pre-test dan post-test dan diperoleh kenaikan rata-rata sebesar 43,22%. Selain itu, pelatihan ini berhasil menghasilkan enam dokumen SOP yang telah berstandar ISO 9001:2015. Hasil ini menjadi indikator tercapainya tujuan pelatihan. Dokumen SOP berstandar ISO 9001:2015 yang telah disusun peserta siap diimplementasikan di sekolah masing-masing.
Co-Authors Abd. Rasyid Syamsuri Abidin, Ramadhani Aewaditha, Randha Kentama Ahmad Saudi Samosir Akhmad Dzakwan, Akhmad Anggraini, Anisyah Aprilia, Ayu Apriyanto, Donni Kis Dika, Mahardika Setiawan Dwi Asmi Dyan Isworo Gultom, Rysa Sonya Reni Paulin Gurum A P Gurum A P, Gurum A P Hasibuan, Febriandi Humairoh Ratu Ayu Junaidi Junaidi Karo Karo, Pulung Karo, Pulung Karo Mega Pertiwi, Mega Muhammad Syarif Hidayatullah, Muhammad Syarif Nurcahayaniati, Hikmah Pauzi, Gurum Ahmad Posman Manurung Pubiyanti, Intan Putra, Dio Aditia Putri, Faradilla Nabila Rifqah, Raden Ayu Nurfadhillah Sahtoni Sahtoni, Sahtoni Shabrina, Shabrina Yakosati Sitohang, Rosanti Sri Ratna Sulistiyanti Supriyanto, Amir Supriyanto, Amir Surtono, Arif Suryani, Mei Susi Harnani, Susi Syafriadi Syafriadi Vicias, Icha Arum Warsito Warsito Warsito, W Wasinton Simanjuntak Yanti Yulianti Yuniar, Noeris