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Related papers: Cantilever-Based Biosensors in CMOS Technology

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In this letter, we propose a dielectric-modulated Impact-Ionization MOS (DIMOS) transistor based sensor for application in label-free detection of biomolecules. Numerous reports exist on the experimental demonstration of nanogap-embedded…

Mesoscale and Nanoscale Physics · Physics 2014-03-28 N. Kannan , M. Jagadesh Kumar

Small collection-electrode monolithic CMOS sensors profit from a high signal-to-noise ratio and a small power consumption, but have a limited active sensor volume due to the fabrication process based on thin high-resistivity epitaxial…

In the 21st century, biosensors have gathered much wider attention than ever before, irrespective of the technology that promises to bring them forward. With the recent COVID-19 outbreak, the concern and efforts to restore global health and…

Medical Physics · Physics 2023-02-14 Vinayak Pachkawade

We propose an experiment utilizing an array of cooled micro-cantilevers coupled to a sample of ultra-cold atoms trapped near a micro-fabricated surface. The cantilevers allow individual lattice site addressing for atomic state control and…

Quantum Physics · Physics 2015-05-13 Andrew A. Geraci , John Kitching

Chemical sensing properties of single wire and mat form sensor structures fabricated from the same carbon nanotube (CNT) materials have been compared. Sensing properties of CNT sensors were evaluated upon electrical response in the presence…

Instrumentation and Detectors · Physics 2014-07-25 P. L. Neumann , V. I. Obreczán , G. Dobrik , K. Kertész , E. Horváth , I. E. Lukács , L. P. Biró , Z. E. Horváth

Microwave sensors can probe intrinsic material properties of analytes in a microfluidic channel at physiologically relevant ion concentrations. While microwave sensors have been used to detect single cells and microparticles in earlier…

We report on the status and development of polarization-sensitive detectors for millimeter-wave applications. The detectors are fabricated on single-crystal silicon, which functions as a low-loss dielectric substrate for the microwave…

Three-dimensional MEMS magnetometers with use of residual stresses in thin multilayers cantilevers are presented. Half-loop cantilevers based on Lorentz-force deflection convert magnetic flux in changes, thanks to piezoresistive transducers…

Other Computer Science · Computer Science 2008-02-22 M. El Ghorba , N. André , S. Sobieski , J. -P. Raskin

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…

Applied Physics · Physics 2017-08-31 Jinglei Ping , Ramya Vishnubhotla , Amey Vrudhula , A. T. Charlie Johnson

The successful detection of biomolecules by a Field Effect Transistor-based biosensor (BioFET) is dictated by the sensor's intrinsic Signal-to-Noise Ratio (SNR). The detection limit of a traditional BioFET is fundamentally limited by…

Applied Physics · Physics 2019-07-24 Nicolò Zagni , Paolo Pavan , Muhammad Ashraf Alam

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…

Visible-wavelength very large-scale integration (VLSI) photonic circuits have potential to play important roles in quantum information and sensing technologies. The realization of scalable, high-speed, and low-loss photonic mesh circuits…

We report amplification of biomolecular recognition signal in lithographically defined silicon nanochannel devices. The devices are configured as field effect transistors (FET) in the reversed source-drain bias region. The measurement of…

Biological Physics · Physics 2008-02-14 Yu Chen , Xihua Wang , Mi K. Hong , Shyamsunder Erramilli , Carol Rosenberg , Pritiraj Mohanty

The Multiple Sensor Interface is a simple sensor interface that works with USB, RS485 and GPIO. It allows one to make measurements using a variety of sensors based on the change of inductance, resistance, capacitance, and frequency using…

Instrumentation and Detectors · Physics 2024-12-25 David Nuno G da Silva S Quelhas

Cytosine methylation has been found to play a crucial role in various biological processes, including a number of human diseases. The detection of this small modification remains challenging. In this work, we computationally explore the…

Biological Physics · Physics 2017-02-21 Jianqing Qi , Niranjan Govind , M. P. Anantram

Biosensors are frequently used nowadays for the sake of their attractive capabilities. Because of their high accuracy and precision, they are more and more used in the medical sector. Natural receptors are mostly used, but their use have…

Cell Behavior · Quantitative Biology 2021-02-17 Juul Goossens , Gilles Oudebrouckx , Seppe Bormans , Thijs Vandenryt , Ronald Thoelen

We developed a process to fabricate nanoscale metallic gate electrodes on scanning probe cantilevers, including on the irregular surface of protruding cantilever tips. The process includes a floating-layer technique to coat the cantilevers…

Instrumentation and Detectors · Physics 2022-09-26 Luca Forrer , Aurèle Kamber , Armin Knoll , Martino Poggio , Floris Braakman

A new type of microfluidic system for biological cell manipulation, a CMOS/microfluidic hybrid, is demonstrated. The hybrid system starts with a custom-designed CMOS (complementary metal-oxide semiconductor) chip fabricated in a…

Quantitative Methods · Quantitative Biology 2007-05-23 Hakho Lee , Yong Liu , Donhee Ham , Robert M. Westervelt

We use a quantum point contact (QPC) as a displacement transducer to measure and control the low-temperature thermal motion of a nearby micromechanical cantilever. The QPC is included in an active feedback loop designed to cool the…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 M. Montinaro , A. Mehlin , H. S. Solanki , P. Peddibhotla , S. Mack , D. D. Awschalom , M. Poggio

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…

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