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The Reverse Transcription Polymerase Chain Reaction (RTPCR)} test is the silver bullet diagnostic test to discern COVID infection. Rapid antigen detection is a screening test to identify COVID positive patients in little as 15 minutes, but…

机器学习 · 计算机科学 2023-05-10 Md. Mohsin Sarker Raihan , Md. Mohi Uddin Khan , Laboni Akter , Abdullah Bin Shams

In response to the need for rapid and accurate COVID-19 diagnosis during the global pandemic, we present a two-stage framework that leverages pseudo labels for domain adaptation to enhance the detection of COVID-19 from CT scans. By…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Runtian Yuan , Qingqiu Li , Junlin Hou , Jilan Xu , Yuejie Zhang , Rui Feng , Hao Chen

This paper presents a novel lightweight COVID-19 diagnosis framework using CT scans. Our system utilises a novel two-stage approach to generate robust and efficient diagnoses across heterogeneous patient level inputs. We use a powerful…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Harshala Gammulle , Tharindu Fernando , Sridha Sridharan , Simon Denman , Clinton Fookes

The precise identification of neurotransmitters is essential for comprehending cerebral function, detecting neurological conditions, and formulating successful therapeutic approaches. The present work investigates the electrochemical…

材料科学 · 物理学 2025-11-07 Aravindan Santhan , Kuo Yuan Hwa , Slava V. Rotkin , Cheng-Han Wang , Chun-Wei Ou

Scalable production of all-electronic DNA biosensors with high sensitivity and selectivity is a critical enabling step for research and applications associated with detection of DNA hybridization. We have developed a scalable and very…

应用物理 · 物理学 2017-08-31 Jinglei Ping , Ramya Vishnubhotla , Amey Vrudhula , A. T. Charlie Johnson

Graphene Field-Effect Transistors (GFETs) are increasingly employed as biochemical sensors due to their exceptional electronic properties, surface sensitivity, and potential for miniaturization. A critical challenge in deploying GFETs is…

The sudden rise of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic early 2020 throughout the world has called into drastic action measures to do instant detection and reduce the spread rate. The common diagnostics…

仪器与探测器 · 物理学 2024-06-12 Aref Asghari , Chao Wang , Kyoung Min Yoo , Hamed Dalir , Ray T. Chen

Optical fiber sensing carries a number of potential advantages for diagnostics and biomarker detection and monitoring, yet particular challenges persist in linking molecular recognition events to a change in the refractive index. DNA…

The world is currently experiencing an ongoing pandemic of an infectious disease named coronavirus disease 2019 (i.e., COVID-19), which is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Computed Tomography (CT)…

图像与视频处理 · 电气工程与系统科学 2021-12-10 Qinghao Ye , Yuan Gao , Weiping Ding , Zhangming Niu , Chengjia Wang , Yinghui Jiang , Minhao Wang , Evandro Fei Fang , Wade Menpes-Smith , Jun Xia , Guang Yang

A graphene channel field-effect biosensor is demonstrated for detecting the binding of double-stranded DNA and poly-l-lysine. Sensors consist of CVD graphene transferred using a clean, etchant-free transfer method. The presence of DNA and…

介观与纳米尺度物理 · 物理学 2016-01-07 Aniket Kakatkar , T. S. Abhilash , Roberto De Alba , Jeevak M Parpia , Harold G Craighead

We present a palette of brightly fluorescent genetically encoded voltage indicators (GEVIs) with excitation and emission peaks spanning the visible spectrum, sensitivities from 6 - 10% Delta F/F per 100 mV, and half-maximal response times…

Silicon carbide detectors exhibit good detection performance such as fast time resolution, high radiation tolerances, high breakdown voltage and low temperature sensitivity and have been studied for detection applications. Meanwhile,…

仪器与探测器 · 物理学 2026-03-31 Suyu Xiao , Hui Liang , Congcong Wang , Zhenyu Jiang , Lin Zhu

The newly discovered Corona virus Disease 2019 (COVID-19) has been globally spreading and causing hundreds of thousands of deaths around the world as of its first emergence in late 2019. Computed tomography (CT) scans have shown distinctive…

Graphene field-effect transistors (GFETs) are among the most promising platforms for ultrasensitive chemical and biological sensing due to their high carrier mobility, large surface area, and low intrinsic noise. However, conventional…

应用物理 · 物理学 2025-09-05 Vinay Kammarchedu , Heshmat Asgharian , Hossein Chenani , Aida Ebrahimi

In the past several months, COVID-19 has spread over the globe and caused severe damage to the people and the society. In the context of this severe situation, an effective drug discovery method to generate potential drugs is extremely…

机器学习 · 计算机科学 2021-04-26 Tianyue Cheng , Tianchi Fan , Landi Wang

Effective and efficient management of human betacoronavirus severe acute respiratory syndrome (SARS)-CoV-2 infection i.e., COVID-19 pandemic, required sensitive sensors with short sample-to-result durations for performing diagnostics. In…

We have developed a novel, all-electronic biosensor for opioids that consists of an engineered mu opioid receptor protein, with high binding affinity for opioids, chemically bonded to a graphene field-effect transistor to read out ligand…

This work presents a high-performance, multilayered surface plasmon resonance (SPR)-based sensor designed to enhance performance parameters in the near-infrared (NIR) region through angular interrogation. The multi-layered sensor consists…

光学 · 物理学 2025-11-11 R. Runthala , N. Grover , P. Arora

With the huge spike in the COVID-19 cases across the globe and reverse transcriptase-polymerase chain reaction (RT-PCR) test remains a key component for rapid and accurate detection of severe acute respiratory syndrome coronavirus 2…

机器学习 · 计算机科学 2021-10-20 Satvik Tripathi

The Coronavirus (COVID-19), which is an infectious pulmonary disorder, has affected millions of people and has been declared as a global pandemic by the WHO. Due to highly contagious nature of COVID-19 and its high possibility of causing…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Hamza Osman Ilhan , Gorkem Serbes , Nizamettin Aydin