Biosensors-on-chip (BoC), compact and affordable public diagnostic devices, are vital for preventing health crises caused by viral bacterial mutations, climate change, poor diets. Clinical, remote, field use possible with these devices. BoC is used in food safety, environmental monitoring, medical diagnosis. The coupling of tunneling magnetoresistance (TMR) sensing elements chip form surface functionalized iron oxide nanoparticles (IONPs) as a biomarker, known TMR/ IONPs, allows devices to...

Framework dan library PHP memiliki variasi struktur kode yang signifikan, sehingga pengembang menghadapi tantangan dalam memilih tools sesuai untuk kebutuhan proyek. Penelitian ini bertujuan mengelompokkan framework berdasarkan analisis menggunakan algoritma K-Means dengan sistem berbasis website. Analisis dilakukan mempertimbangkan 13 atribut, seperti LOC, NCLOC, CLOC, rata-rata panjang kelas, metode, distribusi fungsi, menemukan pola kelompok signifikan. Meskipun Elbow Method menunjukkan...

Hidden caries is a type of tooth decay that difficult to identify through visual diagnosis because teeth with hidden appear normal on the surface but are damaged underneath.A photoacoustic imaging system based visible light using diode laser wavelength 532 nm was developed detect in teeth.The results indicate average acoustic intensity level for healthy -74.2 ± 0.1 dB, and range -81.2 0.5 dB. The area varies depending severity caries.Based measured by interaction light, study can accurately...

Linear assumption on the level of stiffness in a tissue shows significant correlation with disease. Photoacoustic imaging techniques that are non-contact by design have been developed this study to detect differences phantom (soft mimicking materials) stiffness. This aims based results image reconstruction at resonance frequency. Four agars differing concentrations were made achieve different stiffnesses. The position each agar’s highest photoacoustic signal amplitude is identified frequency...

The limited land owned by the community in urban areas such as RT 04 and 06 RW 07 Tegalrejo village Salatiga makes Family Medicinal Cultivation Facility (SABDA TOGA) one of solutions so that can continue to grow crops be used for daily needs.Through service (PM), training on how apply aquaponics planting technology, herbal plants sacks (taherlarung) fermentation organic liquid fertilizer a TOGA model communities.The method is making demonstration plots application media taherlarung, partner...

Corrosion process might occur over or beneath the surface of a material. Under-the-surface corrosion is more dangerous than other types as it visually hidden. This research develops an imaging system to detect crevices resulting from subsurface corrosion. The built with laser-generated acoustic (LGA) method, – using photoacoustic phenomena generate waves laser and material interaction process, construct image metal. Though optical actuator used, deeper penetration achieved in wave sensing,...

Abstract NIR spectroscopy is widely used due to its capability measure a large number of solid and liquid samples, including water-soluble constituents. The measurements glucose concentrations in aqueous solutions are useful examine how low water can be measured using near-infrared potential applications for non-invasive level the blood. This paper describes an alternative approach determination content below 1000 mg/dL Fourier transform spectroscopy. technique has advantage being less...

Photoacoustic measurement in an imaging system is a unique method as it uses optical disturbance but observes its effect acoustically.Acoustical observation increases the quality of by reducing scattering that often occurs research.However, few problems, such cost and complexity, hinder development photoacoustic system.This report presents design using laser diode commercial microphone acoustic emission source sensor, respectively.Analysis signal received was performed with software-based...

Subsurface imaging is challenging; it difficult to detect objects visually. In this research, a novel non-contact photoacoustic (PA) system was developed subsurface objects. The Rosencwaig-Gersho (RG) model successfully employed capture micro-object images covered by rough paint. experiments were conducted using copper ring with 1-mm diameter fully coated paint an average thickness of 2.3 μm. resulting PA exhibited up 72% consistency despite the paint; shapes clearly recognized before and...

Saat ini, baik secara global maupun nasional daerah perkotaan semakin padat. Hal ini dibuktikan dengan banyak bermunculan kampung-kampung di kota-kota besar Indonesia. Kampung-kampung semacam terletak bagian kota yang sempit dan merupakan kawasan kumuh memiliki sistem sanitasi kebersihan buruk sehingga penyakit ditemukan. Bahkan menurut badan kesehatan dunia permasalahan diare memberi kontribusi signifikan terhadap kematian anak negara-negara berkembang, begitu juga Namun dapat dikurangi...

This study develops a subsurface detection system based on photoacoustic effect. The main parts of the are laser diode as an exciter, standard microphone acoustic detector, and software-based phase sensitive (PSD) method. Artificial defects various depths were made inside alumunium plate object which was painted with acrylic paint to cover defects. difference in thermal diffusivity will cause different amplitudes so they can be used detect Photoacoustic signal this measured by have average...

Abstract The characteristics of metals are very important to know in order get optimal utilisation. In this research, a system for measuring the heat propagation various types is developed. Measurements will be made using number LM35 sensors placed scattered on metal tested. Arduino used read data through ADC which then sends computer. processed simultaneously several samples so that each can compared. fixed parameters research area plate and also distance between plates. Finally, success...

Abstract This study aimed to develop a photoacoustic imaging system using diode laser as radiation source, and condenser microphone soft-tissue image detector. These tools were set in static position combined with the mechanic component move object table X-Y direction controlled by computer LabView program. The result showed built was used analyze soft tissue frequency range of over 15 kHz 24%-47% duty cycle modulation. Furthermore, minimum shift stage 0.02 mm, sampling data rate 1...

Unit Radiologi merupakan unit penunjang untuk memberikan dukungan layanan Radiodiagnostik dan Radioterapi. Kajian keselamatan pasien yang menitikberatkan pada (Patient Savety) menjadi hal utama prioritas dalam setiap pelayanan diberikan. Rumah Sakit Panti Wilasa Dr Cipto sebagai Pusat Pelayanan Kesehatan di memiliki peralatan XRay, Fluoroscopy, USG, Panoramic, CT Scan konvensional, juga harus Standar Keselamatan Radiologi. ini acuan mengerjakan semua jenis serta tingkatan RadioDiagnostik...

Air pollution is the biggest environmental threat to global public health and accounts for an estimated million premature deaths each year. With breath, humans can inhale a number of tiny particles that damage lungs, heart brain cause multitude problems. While air problem, it does not proportionally affect entire world. People living in developing countries have greater impact due poor management. There lack affordable long-term operational monitoring systems, leading technological support...

The implementation of the Quick Response Code Indonesian Standard (QRIS) in DIGI by bank bjb application faces challenges enhancing transaction flow for customers at Banjar Branch. primary issue is demand ease, speed, and efficiency digital transactions, while aspects such as promotions QRIS scanning capability across various merchants remain suboptimal. This study aims to examine impact usage within on customers. A quantitative research method with an explanatory survey approach was...

This paper presents a performance comparison of BaFe, Pt/MnSb, and CoFeAl for HAMR applications regarding the impact cooling time on magnitude writing field using Micromagnetic Simulator. The materials were selected study because they possess high magnetic anisotropy thus have potential to be used as HDD medium with high-density technology. However, this material has different characteristics. parameters in represent characteristics each Gilbert damping was set 0.3. modelled form...

Abstract This paper reports the result of measurement and analysis shape photoacoustic signal emitted from an object which is a piece carbon paper, excited by diode laser beam, modulated square wave at audible frequency, so that acoustic can be done easily inexpensive. Here PC Real Time Audio Spectrum Analyser (RTA 168) Virtins Technology used to measure record signal. Three modulation frequencies were chosen 5.045, 9.576 14.816 Hz, all with 50% duty cycle. The showed fundamental frequency...

The impacts of strengthening magnetic field exposure on combustion performance low-octane fuel have been examined experimentally. test was carried out using a 2-stroke 49 cc engine where the magnetized low (<2 kG). Moreover, molecular behavior also characterized through spectrum tests NIR and UV-Vis spectrophotometers. result this study indicates an exponential decrease consumption against exposure. This can be related to Arrhenius principle. In addition, oxygen in exhaust gas along with...