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All Journal International Journal of Advances in Applied Sciences Reaktor BERKALA FISIKA SAINS DAN MATEMATIKA YOUNGSTER PHYSICS JOURNAL Edumatsains The Indonesian Biomedical Journal Journal of Physics and Its Applications Indonesian Journal of Electrical Engineering and Computer Science
Eko Hidayanto
Departemen Fisika, Fakultas Sains Dan Matematika Universitas Diponegoro Jl. Prof. Soedarto, SH, Tembalang, Semarang Telp./Fax. (024)74680822/(024) 74680822
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology Mathematics Physics Public Health

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Journal : SAINS DAN MATEMATIKA

 1 
ANALYSIS OF ALKALINE AND ALKALINE EARTH METALS IN STANDARD SAMPLES BY LIQUID ELECTRODE PLASMA OPTICAL EMISSION SPECTROMETER Hidayanto, Eko; Yamamoto, Takashi; Kawai, Jun
JURNAL SAINS DAN MATEMATIKA Volume 18 Issue 1 Year 2010
Publisher : JURNAL SAINS DAN MATEMATIKA

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ABSTRACT---Sodium,  potassium and calcium  in  standard sample solution  were analyzed with  a portable analyzer  of  liquid  electrode  plasma optical emission spectrometer  (LEP-OES) to assess  its validity for  quantitative  analysis. Reproducibility  and sensitivity  were  investigated  using  different  disposal  sample chip  and applied voltage.  ln  the applied voltage of  800 V, there is no  increasing period  of emission  intensity by  consecutive measuremenl  and  the  relative  standard deviation  among  chips  was  less  than  20%.  The sensitivity  of  emission  intensity  for  Na  and K  were  proportional  to  the  applied  voltage, but  Ca  wasexponential.  The  sensitivity  was  different  by  kinds  of  element  and  applied  voltage.  According  to  its reproducibility,  the spectrometer would  be used  for quantitative  analysis.Permalink : http://ejournal.undip.ac.id/index.php/sm/article/view/3115
Design of Non-Invasive Glucometer using Microcontroller ATMega-8535 Hidayanto, Eko; Sutanto, Heri; Arifin, Zaenal
JURNAL SAINS DAN MATEMATIKA Volume 23 Issue 3 Year 2015
Publisher : JURNAL SAINS DAN MATEMATIKA

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Symptoms of Diabetes Mellitus (DM) or diabetes could be indicated by measuring blood sugar levels in the body. One of the health technology to detect blood sugar in non-invasive is to utilize the absorption of laser light and oxymeter sensor capable of generating a voltage change on a variety of fluid medium. This study has been designed using the blood sugar measuring device microcontroller ATMega 8535 as a minimum system in controlling the value of output in the form of data digital. System/equipment to be fabricated in this study is a non-invasive method (without injuring the patient's body when taking a blood sample) to determine the blood sugar content by exploiting the physical properties of absorption of laser sensors on a variety of blood sugar content. To improve the quality of the test data used 8-bit microcontroller that is capable of separating the output data 256 bits (binary). Each of these bit values can be used to replace manual sensor test results that have analogue voltage output of the data. This analogue data will then be converted to analogue to digital converter (ADC) into digital values are displayed in the liquid crystal display (LCD) that is directly readable by the measured/patients in a short period of time less than 5 minutes. The results of the research can be developed into a national program providing portable medical test equipment is cheap and movable. Keywords: DM, Blood Sugar, Sensor of Oxymeter, Red Laser, Microcontroller ATMega 8535
Co-Authors Abdul Rofiq Achmad Chalid Afif Afrio Rika. R Agus Joko Prasetyo Agus Romadhon Agus Subagio Ahmad Pradana Alfia Hanim Ali Khumaeni Ali, Mohd Hanafi Ana Aprilia Anugrah Rahma Ari Wiganti Ardian Handoko Ari Bawono P Ari Bawono Putranto Ariij Naufal Arisa Dwi Sakti Astri Suppa Supratman Bambang Haris Suhartono, Bambang Haris Budi Muhammad AR Candra Ancila Choirul Anam AM Diponegoro Diah Dwiana Lestari Duandini, Ega Elin Nuraini Elvira Rizqi Widyanti Erna Mariani Etika, Eva Anggun Evi Setiawati Galih Puspa Saraswati Galih Puspa Saraswati Gani Gunawan Gede Wiratma Jaya H Hadiyanto Hella Arofah Heri Sugito Heri Sutanto Hidayatullah Hidayatullah I. Istadi Idam Arif Iis Nurhasanah Indras Marhaendrajaya Insiano, Dewi A. Iva Nistiyanti Jhonwesly Manik Jonathan, Felix Josepa ND Simanjuntak Jun Kawai K Sofjan Firdausi Lamtiyah Ikha Indriyana M Rizqi Aditya Rahman Mariatul Khiftiyah Maya, Annisa Tenri Miftahul Aziz Mohammad Haekal Muahamad Irsal Much. Azam Muchammad Azam, Muchammad Muhammad Irwanto Muhammad Nur Muharam Budi Laksono, Muharam Budi Mulatomo, Tunggul Drajat Naufal, Ariij Nur Paramita Nira Mulyono Nurul Hikmantiyah Nurulita, Syaphira Faza Pandji Triadyaksa Poppy Intan Tjahaja Poppy Intan Tjahaja Puput Khusnaiatul Putri Parmitasari Putu Sukmabuana Qalby, Luthfia Rafli Filano Rahmawati Hidayah Rini Shintawati Salimatul Litasova Sanggam Ramantisan Sanggam Ramantisan Sanggam Ramantisan Santi Yuli Astuti Singgih Wibowo Sri Murni Susila Wardaya, Susila Takashi Yamamoto Teruo Tanabe Tiffany Rahma Novestiana Tina Melinda Tri Windarti Ukhti Lailun Nisa Very Richardina Wahyu Setia Budi Wahyu Tri Cahyanto Wahyuddin Wahyuddin Yoyon Wahyono Yoyon Wahyono Zaenal Arifin