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The unique properties and atomic thickness of two-dimensional (2D) materials enable smaller and better nanoelectromechanical sensors with novel functionalities. During the last decade, many studies have successfully shown the feasibility of…

We demonstrate a new, versatile class of nanoscale chemical sensors based on single-stranded DNA (ss-DNA) as the chemical sensors recognition site and single-walled carbon nanotube field effect transistors (swCN-FET) as the electronic…

Materials Science · Physics 2007-05-23 Cristian Staii , Michelle Chen , Alan Gelperin , Alan T. Johnson

Nanoporous gold can be exploited as plasmonic material for enhanced spectroscopy both in the visible and in the near infrared spectral regions. In particular, with respect to bulk metal it presents interesting optical properties in the…

Applied Physics · Physics 2019-10-02 Eugenio Calandrini , Giorgia Giovannini , Denis Garoli

In this review article, we focus on emerging nanocantilever based biological sensors and discuss the response of nanocantilevers towards bio-molecules capture. The article guides the reader through various modes of operation (e.g., static…

Instrumentation and Detectors · Physics 2013-05-30 Ankit Jain , Muhammad Ashraful Alam

The strong, continuous progresses in gas sensors and electronic noses resulted in improved performance and enabled an increasing range of applications with large impact on modern societies, such as environmental monitoring, food quality…

Materials Science · Physics 2022-07-04 Angelo Milone , Anna Grazia Monteduro , Silvia Rizzato , Angelo Leo , Giuseppe Maruccio

Sensors that are able to detect and track single unlabelled biomolecules are an important tool both to understand biomolecular dynamics and interactions at nanoscale, and for medical diagnostics operating at their ultimate detection limits.…

Optics · Physics 2016-11-15 N. P. Mauranyapin , L. S. Madsen , M. A. Taylor , M. Waleed , W. P. Bowen

A significantly large scope is available for the scientific and engineering developments of high-throughput ultra-high sensitive oxygen sensors. We give a perspective of oxygen sensing for two physical states of matters - solid-state…

Optical biosensors based on micro-/nano-fibers are highly valuable for probing and monitoring liquid environments and bioactivity. Most of current optical biosensors, however, are still based on glass, semiconductors, or metallic materials,…

Optics · Physics 2025-02-27 X. Yang , L. Xu , S. Xiong , H. Rao , F. Tan , J. Yan , Y. Bao , A. Albanese , A. Camposeo , D. Pisignano , B. Li

Rapid detection of gas concentration is important in different domains like gas leakage monitoring, pollution control, and so on, for the prevention of health hazards. Out of different types of gas sensors, Metal oxide (MOx) sensors are…

Neural and Evolutionary Computing · Computer Science 2025-06-03 Shavika Rastogi , Nik Dennler , Michael Schmuker , André van Schaik

The characterization of individual nanoparticles in a liquid constitutes a critical challenge for environmental, material, and biological sciences. To detect nanoparticles, electronic approaches are especially desirable owing to their…

Nanotechnology is enabling the development of a new generation of devices which are able to sense, process and communicate, while being in the scale of tens to hundreds of cubic nanometers. Such small, imperceptible devices enhance not only…

Systems and Control · Electrical Eng. & Systems 2021-10-28 Jennifer Simonjan , Bige D. Unluturk , Ian F. Akyildiz

We measured the electronic properties and gas sensing responses of template-grown poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT/PSS)-based nanowires. The nanowires have a "striped" structure (gold-PEDOT/PSS-gold), typically…

Materials Science · Physics 2015-05-13 Yaping Dan , Yanyan Cao , Tom E. Mallouk , Stephane Evoy , A. T. Charlie Johnson

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…

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

Based on modern single molecule techniques, we devise a number of possible experimental setups to probe local properties of DNA such as the presence of DNA-knots, loops or folds, or to obtain information on the DNA-sequence. Similarly, DNA…

Soft Condensed Matter · Physics 2007-05-23 Ralf Metzler , Tobias Ambjoernsson

Analysis of nanoscale liquids, including wetting and flow phenomena, is a scientific challenge with far reaching implications for industrial technologies. We report the conception, development, and application of an integrated platform for…

Instrumentation and Detectors · Physics 2017-11-27 M. Engel , P. W. Bryant , R. F. Neumann , R. Giro , C. Feger , P. Avouris , M. Steiner

This study presents the results on the feasibility of a resonant planar chemical capacitive sensor in the microwave frequency range suitable for gas detection and for wireless communications applications. The objective is to develop a low…

Advances in neural sensing technology are making it possible to observe the olfactory process in great detail. In this paper, we conceptualize smell from a Data Science and AI perspective, that relates the properties of odorants to how they…

Neurons and Cognition · Quantitative Biology 2024-04-09 Vivek Agarwal , Joshua Harvey , Dmitry Rinberg , Vasant Dhar

We present a sensor capable of detecting solution-based nanoparticles using an optical fiber tip functionalized with a photonic crystal cavity. When sensor tips are retracted from a nanoparticle solution after being submerged, we find that…

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