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A flow-through sensing platform based on open-ended porous silicon (PSi) microcavity membranes that are compatible with integration in on-chip sensor arrays is demonstrated. Due to the high aspect ratio of PSi nanopores, the performance of…

Materials Science · Physics 2016-10-27 Yiliang Zhao , Girija Gaur , Scott T. Retterer , Paul E. Laibinis , Sharon M. Weiss

Our growing ability to tailor healthcare to the needs of individuals has the potential to transform clinical treatment. However, the measurement of multiple biomarkers to inform clinical decisions requires rapid, effective, and affordable…

Mass-sensing biosensor arrays for protein detection require no fluorophores or enzyme labels. However, few mass biosensor protein arrays have demonstrated successful application in high background samples, such as serum. In this paper, we…

Biological Physics · Physics 2009-07-27 Xuefeng Wang , Ming Zhao , David D Nolte , Timothy L Ratliff

Label-free biosensors are important tools for clinical diagnostics and for studying biology at the single molecule level. The development of optical label-free sensors has allowed extreme sensitivity, but can expose the biological sample to…

Biomarker detection is the key to identifying health risks. However, designing sensitive biosensors in a single-use mode for disease diagnosis remains a major challenge. Here, we report sub-monolayer biolasers with remarkable repeatability…

Biosensors are essential tools which have been traditionally used to monitor environmental pollution, detect the presence of toxic elements and biohazardous bacteria or virus in organic matter and biomolecules for clinical diagnostics. In…

Chemical Physics · Physics 2021-01-08 Aishwaryadev Banerjee , Swagata Maity , Carlos H. Mastrangelo

Genetic analysis methods are foundational to advancing personalized and preventative medicine, accelerating disease diagnostics, and monitoring the health of organisms and ecosystems. Current nucleic acid technologies such as polymerase…

A preconcentrating surface-enhanced Raman scattering (SERS) sensor for the analysis of liquid-soaked tissue, tiny liquid droplets and thin liquid films without the necessity to collect the analyte is reported. The SERS sensor is based on a…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Longjian Xue , Wei Xie , Leonie Driessen , Katrin F. Domke , Yong Wang , Sebastian Schlücker , Stanislav N. Gorb , Martin Steinhart

Bacterial infectious diseases are a major threat to human health. Timely and sensitive pathogenic bacteria detection is crucial in identifying the bacterial contaminations and preventing the spread of infectious diseases. Due to limitations…

The ultimate detection limit of optical biosensors is often limited by various noise sources, including those introduced by the optical measurement setup. While sophisticated modifications to instrumentation may reduce noise, a simpler…

Signal Processing · Electrical Eng. & Systems 2021-09-07 Simon J. Ward , Rabeb Layouni , Sofia Arshavsky-Graham , Ester Segal , Sharon M. Weiss

Proteins are arguably the most important class of biomarkers for health diagnostic purposes. Label-free solid-state nanopore sensing is a versatile technique for sensing and analysing biomolecules such as proteins at single-molecule level.…

This paper presents a comprehensive study on a novel multilayer surface plasmon resonance (SPR) biosensor designed for detecting trace-level toxins in liquid samples with exceptional precision and efficiency. Leveraging the Kretschmann…

Systems and Control · Electrical Eng. & Systems 2025-01-31 Suripto Bhuiyan , Michael Geller

Biomedical and environmental testing currently require access to highly specialized facilities or extensive training. Current biochemical tests require complex reagents to achieve a simple human readable result such as a color change. This…

One of the most important processes in the fight against current and future pandemics is the rapid diagnosis and initiation of treatment of viruses in humans. In these times, the development of high-sensitivity tests and diagnostic kits is…

Optics · Physics 2022-12-13 Junfei Wang , Zhenyu Xu , Domna G. Kotsifaki

Single-chip CMOS-based biosensors that feature microcantilevers as transducer elements are presented. The cantilevers are functionalized for the capturing of specific analytes, e.g., proteins or DNA. The binding of the analyte changes the…

Hardware Architecture · Computer Science 2011-11-09 K. -U. Kirstein , Y. Li , M. Zimmermann , C. Vancura , T. Volden , W. H. Song , J. Lichtenberg , A. Hierlemannn

Nanophotonics has become a key enabling technology in biomedicine with great promises in early diagnosis and less invasive therapies. In this context, the unique capability of plasmonic noble metal nanoparticles to concentrate light on the…

Applied Physics · Physics 2017-08-02 Ozlem Yavas , Mikael Svedendahl , Paulina Dobosz , Vanesa Sanz , Romain Quidant

Porous poly(ionic liquid)s (PILs) recently have been actively serving as a multifunctional, interdisciplinary materials platform in quite a few research areas, including separation, catalysis, actuator, sensor, and energy storage, just to…

Chemical Physics · Physics 2019-02-07 Ming-Jie Yin , Qiang Zhao , Jushuai Wu , Karoline Seefeldt , Jiayin Yuan

Photonic crystals (PCs) with localized optical cavity modes arising from topological domain-wall line defects are simulated for optical biosensing by numerical solution of Maxwell's equations. These consist of a square lattice of square…

Optics · Physics 2026-01-06 Zhengzheng Zhai , Sajeev John

Compressive sensing has been used to demonstrate scene reconstruction and source localization in a wide variety of devices. To date, optical compressive sensors have not been able to achieve significant volume reduction relative to…

Silicon nanochannel field effect transistor (FET) biosensors are one of the most promising technologies in the development of highly sensitive and label-free analyte detection for cancer diagnostics. With their exceptional electrical…

Quantitative Methods · Quantitative Biology 2014-01-07 Pritiraj Mohanty , Yu Chen , Xihua Wang , Mi K. Hong , Carol L. Rosenberg , David T. Weaver , Shyamsunder Erramilli
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