Abstract In this work, a novel platform for surface-enhanced Raman spectroscopy (SERS)-based chemical sensors utilizing three-dimensional microporous graphene foam (GF) decorated with silver nanoparticles (AgNPs) is developed and applied methylene blue (MB) detection. The results demonstrate that significantly enhance cascaded amplification of SERS effect on multilayer (GF). enhancement factor AgNPs/GF sensor found to be four orders magnitude larger than AgNPs/Si substrate. addition, the...

Non-invasive and accurate method for continuous blood glucose monitoring, the self-testing of is in quest better diagnosis, control management diabetes mellitus (DM). Therefore, this study reports a multiple photonic band near-infrared (mbNIR) sensor augmented with personalized medical features (PMF) Shallow Dense Neural Networks (SDNN) precise, inexpensive pain free determination. Datasets collected from 401 samples were randomized trained ten-fold validation. Additionally, cohort 234...

Introduction: Cholangiocarcinoma (CCA), a malignancy of the bile ducts, presents significant health burden with notably high prevalence in Northeast Thailand, where its incidence ratio is 85 per 100,000 population year. The prognosis for CCA patients remains poor, particularly proximal tumors, dismal 5-year survival rate just 10%. challenge managing exacerbated by typically late detection, contributing to mortality rate. Current screening methods, such as ultrasound, are insufficient, many...

PEDOT:PSS has been used recently into many organic-based devices in order to help charge transfer and improve efficiency of the devices. exhibit various interesting properties. It posses relatively good electrochemical, ambient, thermal stability its electrical properties as compared with other polythiophenes. One aim manufacturing device is lowering fabrication cost. Due PEDOT:PSS's , it possible pattern using inkjet printing. We found that CANON IP4500 desktop printer, structure 150 micron...

In this work, an ultra-sensitive and highly-specific electrochemical immunosensor was developed based on three-dimensional graphene/nickel foam (GF) decorated with gold nanoparticles (AuNPs) for the detection of Neutrophil Gelatinase-Associated Lipocalin (NGAL), a biomarker Acute Kidney Injury (AKI). A low NGAL limit (LOD) 42 pg/ml linear range (LR) 0.05–210 ng/ml were achieved. Though several electrode platforms have been proposed, either LOD or LR are limited each method. Our platform can...

The COVID-19 pandemic has caused significant changes in many aspects of daily life, including learning, working, and communicating. As countries aim to recover their economies, there is an increasing need for smart city solutions, such as crowd monitoring systems, ensure public safety both during after the pandemic. This paper presents design implementation a real-time system using existing Wi-Fi infrastructure. proposed employs three-tiered architecture, sensing domain data acquisition,...

This work presents a novel contribution to graphene/TiO2 electro-optical modulators based on silicon-onsilica waveguide with hybrid plasmonic achieve ultrafast switching and low-voltage states.Waveguide structure consists of rectangular silicon core covered by high relative permittivity TiO2 dielectric layer two layers graphene, air-clad, silica lower cladding.Effective refractive indices can be tailored support the propagation transverse magnetic mode suitable design related an...

This study reports on the application of an extreme learning machine (ELM) in near-real-time kidney monitoring via urine neutrophil gelatinase-associated lipocalin (NGAL) detection with a 3D graphene electrode. integration marks first instance combining graphene-based electrode to enhance NGAL accuracy, building our group's 2020 research. The methodology involves two key components: functionalized lipocalin-2 antibody for and ELM improved prediction accuracy by using analysis data. results...

Background The prevalence of peritoneal dialysis (PD) in Thailand is increasing rapidly part because Thailand’s Peritoneal Dialysis First policy. PD a home-based renal replacement therapy which patients with chronic kidney disease perform up to 4 exchanges dialysate fluid per day the cavity. Overhydration one most common complications on and associated increased morbidity mortality. To monitor hydration status, collect metrics, including body weight, blood pressure, urine output,...

The complexity and uncertainty of power sources connected to transmission networks need be considered. Planners information on the sustainability economics network expansion planning (TNEP). This work presents a newly proposed method for TNEP that considers high-penetration solar energy by using particle swarm optimization (PSO) algorithm. sources, thermal hydropower plants, conditions load were set in account, including an uncertain source (PV). optimal sizing locating PV determined PSO....

Triboelectric nanogenerators (TENGs) are crucial for applications such as smart sensors and bio-electronics. In the current work, we aimed improved performance of TENGs with incorporation BaTiO3powder, which is known its strong ferroelectric properties, combining it epoxy resin to improve flexibility our devices. We observed that can operate over 24 000 cycles no degradation function. Additionally, electrical by incorporating various aluminum concentrations change electronic properties in...

In this work, we report a new phenomenon in electrochemical systems whereby uniform current steps of 1 mA per 0.5 × 0.1 cm

Abstract A novel way to enhance modulation performance is through the design of a hybrid plasmonic optical modulator that integrates multi-layer graphene and TiO 2 on silicon waveguides. In this article, presented proposed based use two-dimensional finite difference eigenmode solver, three-dimensional expansion CHARGE solver. Leveraging inherent properties utilizing subwavelength confinement capabilities waveguides (HPWs), we achieved both compact highly efficient. The electrical bandwidth f...

Thailand’s hospitals face overcrowding, particularly with non-communicable disease (NCD) patients, due to a doctor shortage and an aging population. Most literature showed implementation merely on web or mobile application teleconsult physicians. Instead, in this work, we developed implemented telemedicine health kiosk system embedded non-invasive biosensors time-series predictors improve NCD indicators over eight-month period. Two cohorts were randomly selected: control group usual care...

The performance of composite-based triboelectric nanogenerators (C–TENGs) was significantly enhanced through laser surface patterning and graphite coating. etching process produced accurate consistent patterns, increasing area improving charge accumulation. SEM imagery confirmed the structural differences properties laser-etched C–TENGs. Graphite fibers further augmented contact area, enhancing accumulation diffusion. Experimental results demonstrated that optimized C–TENGs, especially those...

In this work, we report a low-cost and highly sensitive electrochemical sensor for detecting As(III) in water. The uses 3D microporous graphene electrode with nanoflowers, which enriches the reactive surface area thus enhances its sensitivity. detection range achieved was 1-50 ppb, meeting US-EPA cutoff criteria of 10 ppb. works by trapping ions using interlayer dipole between Ni graphene, reducing As(III), transferring electrons to nanoflowers. nanoflowers then exchange charges layer,...

Stroke attack is one of the most serious concerns in an emergency room. Expert diagnosis and accurate treatment are crucial for improvement, death, or impairment patients. This work aims at using big data analytics developing a system to provide probability each patient whether he would improve after medications. Records N=1700 volunteers were gathered non-linear classification training. Random Forest outperforms seven other methods compared this study. The AI model was deployed as web...

Acute kidney injury (AKI) is not a specified symptom in the early stages. Frequency of AKI occurrence highly correlated to Chronic Kidney Disease (CKD). Therefore, development non-invasive, ultra-sensitive, and accurate sensing platform crucial for diagnosis. Serum creatinine (SCr) level usually takes 24-72 hours response incident AKI. Meanwhile, urine Neutrophil Gelatinase-Associated Lipocalin (NGAL) only 2 after occurrence. In this work, we investigated use microporous graphene...