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View article: Simulation and analysis of triangular structure metamaterial properties at microwave frequencies for medical sensor applications
Simulation and analysis of triangular structure metamaterial properties at microwave frequencies for medical sensor applications Open
The development of antenna technology is increasingly developing in medical sensor applications. The medical sensor antenna can be strengthened with a split ring resonator (SRR) metamaterial structure. Metamaterial is an artificial materia…
View article: Negative refractive index anomaly characteristics of SRR hexagonal array metamaterials
Negative refractive index anomaly characteristics of SRR hexagonal array metamaterials Open
Metamaterials possess distinct characteristics that make them very suitable for scientific investigation. This phenomenon's hallmark has left scientists perplexed and skeptical. Researchers have conducted numerous studies to explore the co…
View article: Performance analysis of metamaterial antennas based on variations in combination and radius of hexagonal SRR
Performance analysis of metamaterial antennas based on variations in combination and radius of hexagonal SRR Open
The low antenna performance is a concern for researchers to overcome in modern technology. As an effort to overcome this problem, the application of the metamaterial structure to the antenna was carried out to increase the antenna paramete…
View article: Activation of nipah fruit coir-derived carbon material with KOH and NH3 for supercapacitor cell applications
Activation of nipah fruit coir-derived carbon material with KOH and NH3 for supercapacitor cell applications Open
Chemical impregnation is a simple and low-cost activated carbon activation method that can engineer the electrochemical properties of supercapacitor cell electrodes. The carbon material was derived from nipah fruit coir biomass by optimizi…
View article: Fluorescence spectrum analysis on leaf and fruit using the ImageJ software application
Fluorescence spectrum analysis on leaf and fruit using the ImageJ software application Open
In this study, ImageJ has been used to process fluorescence spectroscopic images of spinach leaf treated with three variations of sunlight. In addition, apples and tomatoes are also used in imaging by treatment immersed in hot water, pierc…
View article: IDENTIFIKASI HEWAN BERDASARKAN POLA AKUSTIK DENGAN PRINSIP EKSTRAKSI WAVELET DAN KLASIFIKASI MULTI-LABEL JARINGAN SYARAF TIRUAN
IDENTIFIKASI HEWAN BERDASARKAN POLA AKUSTIK DENGAN PRINSIP EKSTRAKSI WAVELET DAN KLASIFIKASI MULTI-LABEL JARINGAN SYARAF TIRUAN Open
An acoustic identification and classification system of frogs has been designed based on the principle of wavelet extraction and label classification using an artificial neural network (ANN). This system consists of electronic detection fo…
View article: Application of uCT-scan and infrared spectroscopy for determination of urinary stone components
Application of uCT-scan and infrared spectroscopy for determination of urinary stone components Open
Abstrak. Batu kemih merupakan salah satu penyakit dengan tingkat prevalensi yang cukup tinggi di Indonesia. Pengetahuan komposisi pada kandungan batu kemih dapat membantu tenaga medis dalam melakukan justifikasi penanganan tindakan lanjut …
View article: Design and Operation of Optical Fiber for Mass Measuring Instrument with Bending Power Loss Principle
Design and Operation of Optical Fiber for Mass Measuring Instrument with Bending Power Loss Principle Open
Utilization fiber optics macro-bending will be useful for non-destructive applications, such as a mass measurement device. This research, therefore, analyzes the fiber optic power loss due to macro bending by mass loading and explores its …
View article: OPTIMALISASI PENGGUNAAN E-MODUL DAN PHET SIMULATION SEBAGAI VIRTUAL LAB DI MASA PANDEMI COVID-19
OPTIMALISASI PENGGUNAAN E-MODUL DAN PHET SIMULATION SEBAGAI VIRTUAL LAB DI MASA PANDEMI COVID-19 Open
This study examines the use of e-modules and PhET simulations as virtual labs in basic physics. The purpose of this research is to optimize the available virtual labs. To facilitate the implementation of practicum, this study uses e-module…
View article: FABRIKASI DAN KARAKTERISASI ELEKTRODA KARBON DARI BIOMASSA SERABUT BUAH NIPAH DENGAN VARIASI KONSENTRASI AKTIVATOR KOH
FABRIKASI DAN KARAKTERISASI ELEKTRODA KARBON DARI BIOMASSA SERABUT BUAH NIPAH DENGAN VARIASI KONSENTRASI AKTIVATOR KOH Open
Today the need for electrical energy has increased due to the large number of electronic devices that require high electrical energy. To overcome this, a large storage of electrical energy is needed. One of the constituents of energy stora…
View article: Birefringence and Polarization Mode Dispersion Phenomena of Commercial Optical Fiber in Telecommunication Networks
Birefringence and Polarization Mode Dispersion Phenomena of Commercial Optical Fiber in Telecommunication Networks Open
The development of optical fibers from attenuation and absorption of fiber material for efficiency and quality has produced several positive results. However, several natural negative factors and environmental errors cause problems such as…
View article: Effect of carbonized temperature to supercapacitor electrode from palm midrib biomass
Effect of carbonized temperature to supercapacitor electrode from palm midrib biomass Open
Abstrak. Elektroda merupakan salah satu komponen yang dapat meningkatkan kinerja sel superkapasitor. Pada penelitian ini elektroda karbon berasal dari limbah biomassa pelepah nipah. Persiapan awal dimulai dari proses prakarbonisasi pada su…
View article: Identification of Pure and Adulterated Honey Using Two Spectroscopic Methods
Identification of Pure and Adulterated Honey Using Two Spectroscopic Methods Open
Honey is a natural sweet substance which is often mixed with other liquids for health purposes or as a sugar substitute in variety of food. Due to high commercial profit, many fraudulent acts have been around to add other substances to pur…
View article: Single energy micro CT SkyScan 1173 for the characterization of urinary stone
Single energy micro CT SkyScan 1173 for the characterization of urinary stone Open
A urinary stone is a solid piece of material produced from crystallization of excreted substances in the urine. Knowledge of the composition of urinary stones is essential to determine the suitable treatment for the patient. The aim of thi…
View article: Analysis of urinary stone based on a spectrum absorption FTIR-ATR
Analysis of urinary stone based on a spectrum absorption FTIR-ATR Open
This research analysed the urinary stone by measuring samples using Fourier transform infrared-attenuated total reflection spectroscopy and black box analysis. The main objective of this study is to find kinds of urinary stone and determin…
View article: Dual energy micro CT SkyScan 1173 for the characterization of urinary stone
Dual energy micro CT SkyScan 1173 for the characterization of urinary stone Open
Knowledge of the composition of urinary stones is an essential part to determine suitable treatments for patients. The aim of this research is to characterize the urinary stones by using dual energy micro CT SkyScan 11173. This technique c…