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All Journal International Journal of Renewable Energy Development BERKALA FISIKA Jurnal Ilmu Dasar POSITRON BERKALA SAINSTEK Jurnal Sains dan Teknologi Kimia P2M STKIP Siliwangi UNEJ e-Proceeding The Journal of Educational Development Warta Ardhia : Jurnal Perhubungan Udara Diksa : Jurnal Pendidikan Bahasa dan Sastra Indonesia Pedagogik Journal of Islamic Elementary School JURNAL PENDIDIKAN TAMBUSAI JURNAL KAJIAN TEKNIK SIPIL Ghancaran: Jurnal Pendidikan Bahasa dan Sastra Indonesia Logistik English Focus: Journal of English Language Education Jurnal Sisfotek Global Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Journal of English Language and Education Jurnal Abdi Masyarakat Indonesia Journal of Education Research Jurnal Pengabdian Masyarakat Fakultas Teknik: Jurnal Abditek Maritime Park: Journal Of Maritime Technology and Socienty ASEAN Journal of Empowering Community EJOIN : Jurnal Pengabdian Masyarakat Indonesian Chimica Letters
Tri Mulyono
Jurusan Kimia , FMIPA, Universitas Jember, Jember
Religion Agriculture, Biological Sciences & Forestry Humanities 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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Disain Viskometer Kapiler Terkomputerisasi (The Design of Computerized Capillary Viscometer) Mulyono, Tri; Putra, Ardian Syah; -, Neran
Jurnal Sains dan Teknologi Kimia Vol 4, No 2 (2013): Jurnal Sains dan Teknologi Kimia
Publisher : Program Studi Kimia Jurusan Pendidikan Kimia FPMIPA UPI

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Abstract

Penelitian ini bertujuan untuk memperoleh desain viskometer jenis kapiler yang dapat digunakan untuk pengukuran viskositas cairan dengan volume kecil, sebesar 1,8 mL. Laju alir dari cairan ditentukan menggunakan dua pasang sensor optik (fotodioda IR dan IR LED) yang diproses menggunakan komputer. Serangkaian uji alat dilakukan menggunakan beragam larutan polar dan nonpolar. Dari hasil pengujian,  didapatkan  bahwa  viskometer  hasil  disain  mempunyai  nilai  presisi lebih baik dari viskometer Ostwald. Simpangan bernilai kurang dari 5 % pada larutan uji yang bersifat nonpolar dengan viskositas di bawah 5,28 mPa.s, sedangkan pada larutan uji yang bersifat polar hanya pada viskositas di bawah 1.44 mPa.s.Kata kunci: LED, fotodioda, viskometer kapiler, viskositas
Dye-Sensitized Solar Cells (Dssc) Using Natural Dyes Extracted From Red Cabbage And Counter Electrode Based Tio2-Graphite Composites Haryati, Tanti; Mulyono, Tri; Oktavianawati, Ika; Badrianto, Wawan
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UNEJ e-Proceeding

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Abstract

Dye sensitized solar cells (DSSC) has been a popular research topic which benefits in high energy conversion efficiency and less cost in fabrication process. The components of DSSC consist of photoanode, electrolyte, and counter electrode that are arranged as sandwich. The photoanode contains ITO (indium tin oxide) glass covered by TiO2 particles, while the counter electrode contains ITO glass covered by composite of TiO2-graphite as counter electrode and red cabbage extract, as a dye agent. The cell was fabricated in various amount of graphite, i.e 10%; 30%; and 50 %, and time of soaking i.e 2; 13; 24; and 48 hours. The performance of the solar cell per active area of ​​1 cm2 was tested on irradiation of 75 Watt halogen lamp (distance 15 cm) and measured by multimeter and rheostat. The optimum synthesis condition of DSSC was obtained with composition of TiO2:graphite on the counter electrode is 70%:30 %, and soaking time in dye agent is for 24 hours. This cell results in an optimum performance, Isc = 0.028 mA ;Voc = 0.344 mV, FF = 0.29 and = 0.0055 % efficiency. Keywords: DSSC, Red Cabbage, Counter Electrode
SISTEM PENGENALAN WAJAH DENGAN METODE EIGENFACE DAN JARINGAN SYARAF TIRUAN (JST) Mulyono, Tri; Adi, Kusworo; Gernowo, Rahmat
BERKALA FISIKA Vol 15, No 1 (2012): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

The development of security systems led to the development of face recognition system using image processing techniques.Research was conducted to identify a face image automatically with theeigenface method. The method used is a normalization, eigenface, neural network training and testing.Eigenface is used to reduce the dimension vector face becomes much simpler (eigen vector). Eigen vectorsobtained are used by back propagation neural network training process and recognition. Then do thetesting process using the image of a face that has not been used in the training process.The results showed the use of neural networks and eigenface to face recognition can give a goodaccuracy. The system is able to produce an acuracy of 84.6% with a FAR (False Acceptance Rate) =16.2%, FRR (False Rejection Rate) = 20% and EER (Equal Error Rate) = 0.3.Keywords : face recognition, eigenface, eigen vector, neural network
Bioelectricity Generation From Single-Chamber Microbial Fuel Cells With Various Local Soil Media and Green Bean Sprouts as Nutrient Mulyono, Tri; Misto, Misto; Busroni, Busroni; Siswanto, Siswanto
International Journal of Renewable Energy Development Vol 9, No 3 (2020): October 2020
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2020.30145

Abstract

In this experiment, seven single-chamber microbial fuel cells (MFCs) were made and filled with various types of local agricultural soil and sediments found in irrigation channels, which were mixed with glucose and green bean sprouts mashed as nutrients for microbial survival. MFC electric power was measured every day for 35 days. Every time low electric power indicated weak microbial activity, green bean sprouts were added. The highest electric power of 118 µW (23.4 mW/m2) was observed in fuel cells filled with agricultural land planted with rice. Power density reached the range of 120–140 mW/m2, whereas the incubation time showed a maximum of 35 days. This study found that adding green bean sprouts can increase the length of the MFC cycle and strengthen the generated power up to 122 mW. 
Sistem Pendukung Keputusan Penyeleksian Supplier Bahan Produksi Dengan Metode Simple Additive Weighting (SAW) Dul Hapid, Saca; Dzulhaq, Muhammad Iqbal; Mulyono, Tri
JURNAL SISFOTEK GLOBAL Vol 10, No 1 (2020): JURNAL SISFOTEK GLOBAL
Publisher : STMIK Bina Sarana Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38101/sisfotek.v10i1.277

Abstract

Abstrak – Kualitas dan progres suatu produksi terpengaruhi besar oleh pemasok atau supplier. Supplier merupakan komponen penyedia bahan mentah dan bahan pembantu produksi dengan standar kualitas yang berbeda. Perusahaan yang memilki lingkup luas pasti memiliki lebih dari satu supplier dikarenakan permintaan produksi dan pasar yang harus dipenuhi, dengan banyaknya supplier, maka kemungkinan perusahaan mengalami kendala produksi bisa teratasi. Banyaknya supplier yang memiliki standarisasi yang berbeda mengharuskan perusahaan memilih supplier yang kompeten. Untuk memilih supplier secara objektif digunakan metode SAW (Simple Additive Weight) dengan cara pembobotan sederhana namun memiliki keakuratan nilai keluaran yang relatif tinggi. Metode SAW diimplementasikan kedalam bahasa pemrograman python yang memiliki konsep pemrograman berorientasi objek sehingga mudah dikembangkan dalam skala luas menghasilkan nilai peritungan SAW berbentuk susunan supplier dari yang tertinggi hingga terendah sehingga memudahkan pengguna aplikasi mengetahui supplier terbaik hingga terendah.
Dye-Sensitized Solar Cells (Dssc) Using Natural Dyes Extracted From Red Cabbage And Counter Electrode Based Tio2-Graphite Composites Tanti Haryati; Tri Mulyono; Ika Oktavianawati; Wawan Badrianto
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Dye sensitized solar cells (DSSC) has been a popular research topic which benefits in high energy conversion efficiency and less cost in fabrication process. The components of DSSC consist of photoanode, electrolyte, and counter electrode that are arranged as sandwich. The photoanode contains ITO (indium tin oxide) glass covered by TiO2 particles, while the counter electrode contains ITO glass covered by composite of TiO2-graphite as counter electrode and red cabbage extract, as a dye agent. The cell was fabricated in various amount of graphite, i.e 10%; 30%; and 50 %, and time of soaking i.e 2; 13; 24; and 48 hours. The performance of the solar cell per active area of ​​1 cm2 was tested on irradiation of 75 Watt halogen lamp (distance 15 cm) and measured by multimeter and rheostat. The optimum synthesis condition of DSSC was obtained with composition of TiO2:graphite on the counter electrode is 70%:30 %, and soaking time in dye agent is for 24 hours. This cell results in an optimum performance, Isc = 0.028 mA ;Voc = 0.344 mV, FF = 0.29 and = 0.0055 % efficiency. Keywords: DSSC, Red Cabbage, Counter Electrode
Filtration of Protein in Tempe Wastewater Using Cellulose Acetate Membrane Dwi Indarti; Badrut Tamam Ibnu Ali; Tri Mulyono
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The protein content in the wastewater tempe high enough. Filtration of tempe wastewater  can use cellulose acetate membranes. Type cellulose acetate membranes used is ultrafiltration membranes. Pressure and protein concentration influenced on the flux, rejection, and fouling resistance. Membrane characteristics included flux, pore asymmetries, time compaction and permeability coefficient. The results showed that fouling resistance is influenced by the pressure and concentration of the feed solution. The higher the pressure will cause increased fouling resistance, while higher concentrations will cause fouling resistance decreases. The pressure and the higher the concentration of protein causes rejection decreasedFiltration of Protein in Tempe Wastewater Using Cellulose Acetate Membrane
Design of System Batch Injection Analysis (BIA) for Monitoring the Production of Alcohol (II) Tri Mulyono; Dwi Indarti; Rizqon Rizqon
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

The main purpose of this work is to report the development of batch injection analysis (BIA) for monitoringvthe production of Alcohol. The activities focus on the concepts BIA and design of syringe pump and stepper pump.vBoth pumps were adjusted flow-rate and controlled by computer with microcontroller Arduino Uno R module usingvsoftware Labview 2013 . The results showed that both pump have a good performance. This was marked by relation coefficient 0,99 and a little variance < 5%.
Simple Design Flow Analysis System for Determination of Iron by Spectrophotometric method Wiwin Setiani; Tri Mulyono; Asnawati Asnawati
Jurnal ILMU DASAR Vol 16 No 2 (2015)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.943 KB) | DOI: 10.19184/jid.v16i2.1519

Abstract

The purpose of this research is to make a series of analyzes using a flow system with a bottle Marriote as pump and spectrophotometric method for determining the content of iron in water samples. Determination of iron by this method used 1,10-fenantrolin complexing or 2,2-bipyridyl. In this method, Fe3+ is reduced to Fe2+ prior complexed with iron to form a specific color and then flowed it through a marriote bottle next to the spectrophotometer detector. The average flow rate of the liquid in the bottle Marriote amounted to 0.037 mL / sec. Limit detection obtained in the batch is 0.00017 ppm and 0.00023 ppm in simple flow systems analysis methods. Sensitivity obtained in the batch method is 0.027 and the simple flow system analysis method is 0.035. Flow rate precision values are expressed Marriote bottle with Kv values <5%. Values accuracy expreced percenting of recovery was 99% in the batch method, whereas the simple flow system analysis method was 98.5%. Results of t-test analysts suggest that iron determination using flow systems analysis (FIA) with the replacement pump bottle Marriote not differ significantly from the results obtained with the batch system.   Keywords: batch method, bottle Marriote, Flow Injection Analysis, spectrofotometry
Amperometric biosensor for glucose detection based-on immobilisation of glucose oxidase in acetic cellulose membrane using ferrocene as mediator Asnawati Asnawati; Dwi Indarti; Tri Mulyono; Gembong Kesuma B
Jurnal ILMU DASAR Vol 14 No 1 (2013)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1038.725 KB) | DOI: 10.19184/jid.v14i1.481

Abstract

The study reported the development of glucose ampherometric biosensor based on immobilization of glucose oxidase on cellulose acetate membrane with ferrocene as a mediator. Biosensor was designed with model Fc, GOx, CP / GOx / CA where ferrocene and the enzyme glucose oxidase on carbon paste in immobilizatin on the electrode body in the form of glass tubes and in other parts of the enzyme glucose oxidase in immobilizatin on cellulose acetate membrane with adsorption techniques are placed in electrode tip by using the o-ring. The presence of enzymes immobilization was determined quantitatively by enzyme immobilization was Km value. The results showed the composition of acetone-water in the optimum coagulation bath is 0:100% and 0,0008 g of Optimum ferrocene. Biosensor for measuring glucose in the area amperometri 0,1 to 3 mM with regression coefficient of 0,996, the detection limit of 0,01 mM, sensitivity of 0,989 μA / mM, the reproducibility of 0,07 to 0,3% and lifetime of 1 day. Keywords : Biosensor; glucose oxidase ; acetic cellulose; Ferrocene: Ampherometric.
Co-Authors Adhi Purnomo Agung Tjahjo Nugroho Agus Nuryatin Ahmad Turidi Ahmad, Mutiara Garnet Alex Taufiqurrohman Zain Alfaris, Lukman Almu’minin, Achmad Sholikhudin Anggarsika, Prabingesti Anisah Ardian Syah Putra Artoto Arkundato Asnawati Asnawati Asnawati Asnawati Asnawati Asnawati Asnawati, A. Asriyani, Wahyu Aulia, Afsun Azisah, Nur Azizah, Lutfiana Badrut Tamam Ibnu Ali Bambang Piluharto Basukiyatno, Basukiyatno Beni Habibi Busroni, Busroni Bustami Bustami Cahyono, Bowo Eko Chairul Paotonan D. Iwan Setiawan Dewi, Febby Cynthia Dul Hapid, Saca Dwi Indarti Dzulhaq, Muhammad Iqbal Edy Supriyanto Edy Wibowo Fajrin Nurul Hikmah Gembong Kesuma B Halimatussakdiah Halimatussakdiah Hutamia, Diah Meirendi Ika Oktavianawati Imron Rosyadi Inayah, Dwi Nita Laeli Intan Puspa Wangi, Intan Puspa Islamintari, Wulan Kholidin Kholidin, Kholidin Kholifa, Mulik Kristi, Maganda Ananda Kusworo Adi Leli Triana Maimunah Noer Aini Maufur Maufur Maulana, Bima Wahyu Misto Misto Misto Misto Misto, M. Moh. Hasan Mulatsih, Tri Mursyidah Dwi Hartati, Mursyidah Dwi Musalamah, Sittati Mutiara Garnet R.A Mutmainnah Mutmainnah Nabilah, Veni Zakiatun Neran - Novita Andarini NUR FITRIYAH Nurjanah, Lusi Ike Nursichati, Nursichati Nurul Hanifah Purwanto, Burhan Eko Purwanto, Burhan Eko Purwanto Purwo susongko Puspa Wangi, Intan Rahmat Gernowo Ramadhany, Feryna Resthiana, Niken Rizqon Rizqon Rofi’i, Imam Rofi’udin, Rofi’udin Rohmawati, Manis Rokhmawati, Ilma Eka Nur Ropiyah, Ropiyah Rustono - Rustono, Mr S Siswanto Sartikasari, Mindarti Setiawan, Mohamad Bayu Siswanto Siswanto SISWOYO Sri Mulyati Sudarko Suminto A. Sayuti Suriswo Sutisna Sutisna Sutji Muljani Syamsul Anwar, Syamsul Tanti Haryati Triningsih Triningsih Umairoh, Umi Umarul Faruq Vivian Karim Ladesi Wafi, Moh. Abduh Wawan Badrianto Wawan Badrianto, Wawan winoto hadi Wiwin Setiani Wuryanti Handayani Yeni Maulidah Muflihah Yeni Maulidah Muflihah Yuda Cahyoargo Hariadi Zulfikar Zulfikar Zulfikar