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Jurnal Neutrino : jurnal fisika dan aplikasinya
Published by Universitas Islam Negeri Maulana Malik Ibrahim Malang
ISSN : 19796374     EISSN : 24605999     DOI : -
Core Subject : Science,
Physics
Jurnal NEUTRINO (ISSN:1979-6374 / EISSN:2460-5999) adalah jurnal fisika yang dikelola dan diterbitkan oleh Jurusan Fisika Fakultas Sains Dan Teknologi Universitas Islam Negeri (UIN) Maulana Malik Ibrahim Malang. Jurnal NEUTRINO ini menjadi media bagi para akademisi dan praktisi untuk mengembangkan bidang fisika dan aplikasinya. Disamping itu Jurnal NEUTRINO bisa dijadikan sebagai media komunikasi ilmiah antar fisikawan baik di Indonesia juga seluruh dunia. Jurnal NEUTRINO memuat kajian-kajian fisika baik kajian teoritik, hasil eksperimen dan aplikasinya seperti fisika material, instrumentasi, komputasi, biofisika, fisika medis, fisika lingkungan, fisika teori, fisika nuklir, geofisika, elektronika, optika dan energi terbarukan. Jurnal NEUTRINO terbit 2 (dua) kali dalam setahun (April dan Oktober).
Arjuna Subject : -
Articles 224 Documents
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FABRICATION OF PHOTOTHERAPY TOOLS WITH SENSORS TEMPERATURE AND TIMER BASED MICROCONTROLLER ARDUINO Henry Prasetyo; Dian Andrianto; Muhammad Zulyadain
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 2 (2022): APRIL
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.v14i2.15503

Abstract

Phototherapy is a technology used for therapy in infants who suffer from hyperbilirubinemia or jaundice, this disease is due to the accumulation of bilirubin in the blood which is marked by the skin or the whites of the eyes turning yellow, babies who suffer from this disease are usually called yellow babies or icterus. This Phototherapy tool works by giving a blue light to the baby's skin directly for a certain period of time (depending on the level of bilirubin in the baby). The baby will be exposed to blue light which has a wavelength in the range of 450-490 nm for a certain period of time until the level of bilirubin in the baby's body drops to a safe level. With the advancement of technology, we want to add a little innovation by applying the use of a microcontroller to the phototherapy tool, in this case we add the time and temperature sensor DS18B20 as an indicator that will be displayed on the LCD screen so that it can make it easier for the user to turn off the tool and automatically and can notify the temperature of the baby who is getting sick. is doing this blue light therapy. In this case the time can be set according to user needs. From this research, it was concluded that phototherapy tools can be used to treat bilirubin babies. Advantages of this tool that users can monitor the baby's temperature and turn off the device automatically because we added a temperature sensor and timer to the phototherapy tools
ANALYSIS OF THE PHYSICAL CHARACTERISTICS OF BIODIESEL PRODUCTS MADE FROM USED COOKING OIL Fikria, Gina; Rustana, Cecep
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 2 (2022): APRIL
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.v14i2.14131

Abstract

Biodiesel is a very potential material used as a substitute for diesel fuel derived from petroleum. In manufacture of biodiesel was used waste cooking oil with FFA levels obtained which is 3.1%, so that the transesterification process is directly carried out. This study aims to find out the physical characteristics of biodiesel produced from waste cooking oil with a molar ratio of waste cooking oil to methanol 5:1 and 4:1. Method that used in this research is experiment and analytic of physical characteristics of biodiesel products made from used cooking oil. The results of the physical characteristic test of biodiesel with a ratio of 5:1 and 4:1 showed that the biodiesel density of waste cooking oil had met SNI 04-7182-2012. Viscosity test results showed that biodiesel from waste cooking oil has not met SNI 04-7182-2012. The results of flash point tests showed that biodiesel from waste cooking oil has not met SNI 04-7182-2012. Freezing point test results showed that biodiesel from waste cooking oil had met SNI 04-7182-2012. The results of the heat value test showed that biodiesel from waste cooking oil has not met SNI 04-7182-2012. And the yield shows that biodiesel from waste cooking oil has not produced a significant biodiesel yield.
ANTI-VIRUS AND BACTERIA MIST TESTING (KAVI-B) TO REMOVE ESCHERICHIA COLI AND STAPHYLOCOCCUS AUREUS BACTERIA Tazi, Imam; Fitriasari, Prilya Dewi; Mulyono, Agus; Noor, Marvina Rizqi; Putri, Siska Emelda
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 1 (2021): 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.v14i1.15657

Abstract

A disinfectant and antiseptic vaporizer has been made by using a vibrating membrane in the ultrasonic order. This method does not go through the stages of evaporation by heating the material. This machine is capable of converting ethanol in the liquid phase into the form of mist or vapor very quickly. Within 1 second when the engine is started, the cold ethanol material will turn into steam or mist. The concentration of the ethanol solution after and before evaporation did not change significantly. The change in ethanol concentration that occurs is only around 2-5%. The effect of decreasing colonies of Escerichia coli and Staphylococcus aureus bacteria after being given a mist containing 65% ethanol decreased exponentially. This spray has many advantages over using ethanol in liquid form. The sample size of the vaporized ethanol concentration greatly affects the evaporation produced by the KAVi-B engine. A very linear relationship was found between the concentration and the rate of evaporation. The linear relationship between the concentration of ethanol and the rate of evaporation has a linear regression value of Y = 0.2617X + 20.657 and R2 = 0.9908.
STUDY OF ELECTRODE LIFESPAN IN SEAWATER ELECTROLYSIS PROCESS TO PRODUCE HYDROGEN GAS Aziz, Fauzan Abiyyu; Rustana, Cecep E; Fahdiran, Riser
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 2 (2022): APRIL
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.v14i2.15218

Abstract

This study aims to analyze the effect of the type of electrode in the electrolysis of seawater for the production of hydrogen gas. The methods used include two types of electrodes, namely copper and aluminum and also design tools for electrolysis of seawater. Data collection is carried out every 20 minutes, the electrolysis process takes place at a constant voltage of 12 volts. The results obtained showed that the copper electrode produced 732 ml of hydrogen gas and a lifetime of 820 minutes with an average rate of 0.893 ml/minute and the highest hydrogen yield of 3.83% at 400 to 440 minutes while the aluminum electrode produced 693 ml of hydrogen gas. and a lifetime of 680 minutes with an average rate of 1.019 ml/minute and the highest hydrogen yield of 5.92% at 120 minutes.
APPLICATION OF LM 35 TEMPERATURE SENSOR FOR SEAWATER DISTILLATION Saukani, Imam; Triturani, Rina
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 14, No 2 (2022): APRIL
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.v14i2.13924

Abstract

Indonesia is an archipelago, so many settlements close to the beach or sea. People living in the area are still many who lack clean water. One way to get clean water is sea water by distillation. Distillation is a liquid changes into steam and the steam is cooled back into a liquid. The process of designing and manufacturing distillation in this paper serves to make sea water into fresh water and also to stabilize the temperature during heating. Given these problems required temperature control system. Application of fuzzy logic controllers are expected to solve the problem of temperature stability in sea water distillation equipment. The sensor used is LM 35 sensors as readers seawater temperature is used as a reference to maintain a temperature in the range of 80° -100°C. Fuzzy logic rules are applied has a 9, which is obtained from the membership functions of 3 error and 3 delta error membership functions. Application of Fuzzy Logic Controller When the set point temperature of 85°C temperature response curve is obtained which has a performance controller Error Steady-state = 0.35%, Max Overshoot = 0, settling time = 103 minutes, peak time = 0, rise time = 37 minutes. With the set point of 75°C -99°C then obtained a qualified water quality water temperature of 100°C is worth to drink and has a good time efficiency for distillation temperature.
FACTOR ANALYSIS ON WEATHER ELEMENTS THAT AFFECT MARINE TRANSPORTATION ACTIVITIES AT TANJUNG PERAK PORT WITH THE PRINCIPAL COMPONENT ANALYSIS METHOD Nani Sunarmi; Weika Muchlis Aisyah; Uswatin Hasanah; Ayu Setiorini; Nur Lailatul Fitria; Frisca Karisma Wati
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.v15i1.17006

Abstract

This research’s aim is to analyze weather elements that affect marine transportation activities at Tanjung Perak Port. The data used in this study is secondary data obtained from Meteorology, Climatology and Geophysics Agency of the Republic of Indonesia. The data used is weather element record from the meteorological station in Perak II Surabaya for the 2017-2021 period which includes variables of sunlight exposure, precipitation, humidity, wind direction, air pressure, wind speed, and  air temperature. The method used is the Principal Component Analysis method. Based on the test, it is found that all weather variables can be analyzed using the Principal Component Analysis Method. The weather element variables formed 2 components which have Initial Eigenvalues 1. The first component consists of Air humidity, Precipitation, Sunlight exposure, and Air Pressure. The second component consists of Air Temperature, Wind Direction, and Wind Speed. Based on the two components formed, the first component is the most dominant component element that affects marine transportation activities at Tanjung Perak Port for the 2017-2021 period with Initial Eigenvalues of 3,681. And air pressure is the most dominant weather element with the loading value based on the Principal Component Analysis method is 0,867.
ANALYSIS OF THE EFFECT OF ISTIGHFAR DHIKR TO ADOLESCENT ANXIETY AT BETA WAVE ACTIVITY USING ELECTROENCEPHALOGRAM (EEG) EXAMINATION Alvania Nabila Tasyakuranti; Heni Sumarti; Hamdan Hadi Kusuma; Istikomah Istikomah; Irman Said Prastyo
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.v15i1.17270

Abstract

Information related to deviants in the near future is often the case by a group of adolescents. Behavior that deviates from anxiety because of a problem in daily life. One way that is taught by Islam by listed in the Qur'an and hadith to reduce anxiety in a person is to do istighfar dhikr. Knowing the beta brain wave activity in anxiety and istighfar dhikr condition can be done using an EEG (Electroencephalogram). Beta waves are brain waves that are detected when a person feels anxious. Beta wave measurement method is calculated based on peaks or troughs per second on the beta signal type frequency (13-30Hz). The method in this research is an experiment with quantitative data collection. The sample used in this study were 8 students in Universitas Islam Negeri Walisongo Semarang with an age range of 20-23 years. The data analysis technique used is bivariate with Paired T-test. The results showed that the average beta wave in anxiety condition was 14.213 Hz and istighfar dhikr was 13.085 Hz. The result of the Paired t-test showed that p = 0.002 (p 0.05) indicating that the decrease in beta waves in the brain is very significant. It shows that istighfar dhikr can reduce anxiety in adolescents.
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).
PROTOTYPE OF VACUUM FRYING OYSTER MUSHROOM CHIPS Anisa Nabillah; Selastia Yuliati; Mustain Zamhari
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.v15i1.13479

Abstract

Oyster mushroom is plant that is quite easy to cultivate because it only requires growing media for oyster mushrooms, oyster mushroom seeds and a humid place for cultivation. Oyster mushroom is a type of plant that is fibrous and contains a lot of water causing the shelf life of oyster mushrooms after harvest is very short. To increase the economic value of oyster mushrooms, it is necessary to process oyster mushrooms into something so that processed oyster mushrooms have a long shelf life, namely by processing oyster mushrooms into chips, but the manufacture of oyster mushroom chips still uses conventional or manual methods so that the quality of the resulting chips is still not good. By using innovative technology through a prototype design tool with the vacuum frying method, it produces chips that are of higher quality than conventional frying methods which are seen from the water content contained in oyster mushroom chips, which is less than 1% with an evaporated water content of 80%. The prototype of this vacuum frying fryer has an overall volume of 260,000 cm3 with an overall length of 100 cm, a width of 40 cm and a height of 65 cm and uses an electric motor of 2461.76 watts or 3.3012 HP
CHARACTERIZATION OF CARBON NANOCRISTRAL STRUCTURE BASED ON CORN COB CHARCOAL Pelangi Eka Yuwita; Roihatur Rohmah
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.v15i1.17067

Abstract

Carbon has an amorphous structure and a crystalline structure. The amorphous structure of carbon is usually found in charcoal, while the crystalline structure of carbon can be obtained from heat treatment. In the present study, the synthesis of carbon nanocrystals based on corn cob charcoal was successfully carried out. The synthesis began with the carbonization process of corn cobs to produce charcoal. Corn cob charcoal powder was then put into 80 mL of HCl solution and stirred using a magnetic stirrer by a speed of 750 rpm at room temperature and 80 mL of NH4OH solution was titrated into it. After the synthesis, the carbon powder was calcined at 400°C and activated using PEG 2000 template. The samples were tested using XRD (X-ray Diffraction) and SEM-EDX (Scanning Electron Microscope-Energy Dispersive X-ray). The carbon component (C) from the EDX test after the synthesis and carbonization process had an atomic percentage of 56.89% and increased by 81.06 % after PEG 2000 activation. The results of the X-ray diffraction pattern show that in all samples a broad and weak diffraction pattern was the characteristic of amorphous carbon. However, on carbon heated for 5 hours at 400°C and the addition of PEG 2000 activator, the crystal structure pattern with higher diffraction peaks was obtained and the peaks of diffraction were matched with CIF data 9008569 from phase C Graphite which had a space group P of 63 mc. SEM data on the morphology of the material showed that after receiving PEG activator, the carbon particles were split into smaller ones so that it increased in surface area and showed fairly even distribution of pores which was also seen in the surface morphology of the carbon

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