Papers:
Self-Sustained Infrared Temperature Sensor Arrays
The constantly growing needs for solid-state temperature sensors motivates micromachined thermopile sensors [1-11]. We examine the Seebeck effect and discuss the the key physical parameters and characteristics. The micromachined microstructures are designed and fabricated. We [...]
Photonic Crystal Fiber Based Refractive Index Sensor
Photonic Crystal Fiber (PCF) is an optical fiber which owes its waveguide properties to an arbitrary arrangement of closely-spaced and tiny air holes that go through the whole length of fiber. Much attention has been [...]
A New Gas/Supercritical Fluid (SCF) Diffusivity and Solubility Measurement Method for CO2 Saturated Polymer Systems Using Optical Transmission Property
Yao S.X., Lee J-K, Lee J., Lee P-C, Lee J-K, Lee J., Lee P-C, Jun M.B.G., Lee J-K, Lee J., Lee P-C, University of Vermont, US
Supercritical fluids (SCFs) and gases are widely used in polymer processing. For example, plastic foam products used for light-weight structural components, heat insulation, and food packaging can be fabricated by nano-/micro-cellular foaming processes with gases [...]
Zinc Oxide optical and chemical sensors fabricated by Ink Jet printing and drop casting
Ewing D.J., Casper M., Stramel A., Morick B., Cook B., Wu J., The Department of Energy's Kansas City National Security Campus, US
Zinc oxide (ZnO) nanostructures show great promise for a variety of applications, such as UV detectors, chemical, and gas sensors. Zinc oxide has a direct bandgap (3.4 eV), a high electron mobility, and environmental stability. [...]
Cyber-Physical Magnetic Field Sensors
Solid state magnetic field sensors are examined. The use of III-V semiconductors in Hall effect sensors results in high bandwidth, fast response time, adequate spatiotemporal resolution, accuracy and sufficient measurement range. Despite significant advantages, there [...]
Evaluation of In2O3 prepared by the delayed ignition combustion process as a gas sensor
Lionti K., Fasoli A., Sundberg L., Ceccarelli F., Miller R.D., Bozano L., IBM Research - Almaden, US
Metal oxide semiconductor (MOS) gas sensors based on thin film technology offer the potential of higher sensitivity and faster response and recovery than their thick film counterparts. Solution-based approaches are facile and inexpensive routes to [...]
Visible Light Absorbing Photoremovable Protecting Groups
Photoremovable protecting groups (or “photocages” or “phototriggers”) are light-sensitive chemical moieties that provide control over the release of any number of reagents in a variety of environments. While photocages have important applications in areas such [...]
Comparative study of chemo-bio synthesized MgO nano particles for LPG sensing
Present work is a comparative study for LPG sensor which is developed by two materials by chemical and green method. LPG sensing dynamic characteristics were examined.
Fiber-optic sensor for bacteria detection based on intensity-modulated SPR by monochromatic excitation
da Silva Arcas A., da Silva Dutra F., da Silva Arcas A., da Silva Dutra F., Barros Allil R.C.S., Werneck M.M., Federal University of Rio de Janeiro, BR
The Escherichia coli (E. coli) O157:H7 is a human pathogen of animal origin that can cause serious illness if ingested. The most common routes of E. coli contamination are drinking water, vegetables, undercooked meat, unpasteurized [...]
Optical Fiber-Top Microcavity Sensor for CO2 Detection
Wu J., Yin M-J, Taeuber K., Dani A., Guterman R., Yuan J., Zhang A.P., Tam H-Y, The Hong Kong Polytechnic University, HK
In the paper, we present a miniature fiber-optic CO2 sensor by in-situ printing of a special polymer Fabry-Pérot (FP) microcavity on the end facet of standard single-mode optical fiber. A photo-crosslinkable poly(ionic liquid)s (PILs) with [...]
Linear-Logarithmic Two-Transistor Active Pixel Sensor with Wide Dynamic Range
Image sensor technology has progressed from advanced semiconductor technology. The complementary metal–oxide–semiconductor (CMOS) process offers the capability of integrating smart functions on imagers in a single chip. As CMOS technology scales down, the pixel size [...]
A Noninvasive Fluorescent Biosensor for Transdermal Glucose
Our group has been developing a painless, noninvasive method of collecting glucose spontaneously/passively diffusing through the skin. The transdermal glucose collected in this manner has a concentration in the μM range, thus we developed a [...]
Gait Analysis and Classification of Restricted Knee
This paper presents a technique of restricted knee gait analysis and classification based on electrostatic sensing, which can be applied in home nursing of patients with exercise rehabilitation. The technique is used to monitor the [...]
A model for an Optical Ring Microresonator towards Nanoparticle Detection
Optical resonators have shown great potential as fundamental building blocks, in a wide range of photonic devices and applications including filters, optical multiplexers, logic gates, switches and sensors. A microresonator is defined by a micron-scale [...]
Distributed Monitoring of Soil and Groundwater during In-Situ Thermal Remediation Using Fiber Optic Sensors
This paper is focused on the development and field deployment of a multi-parameter and distributed fiber optic sensor for monitoring of soil and groundwater during in-situ thermal remediation of contaminated brownfields. In-situ thermal remediation (ISTR) [...]
Rapid Detection of Drugs-of-abuse in Urine and Oral Fluid by Mass Spectrometry
Drug analysis is crucial for control of drugs abuse. Conventional drug analysis typically involves preliminary screening, followed by confirmatory analysis. However, the preliminary screening has the problem of producing false positive or false negative results, [...]
Damage Detection Sensor System for Aerospace and Multiple Applications
Williams M., Lewis M., Gibson T., Lane J., Ihlefeld C., National Aeronautics and Space Adminstration, US
Martha K, Williams, Ph.D., Mark E. Lewis, Tracy L. Gibson, Ph.D., John E. Lane, Ph.D. and Curtis M. Ihlefeld The damage detection sensory system is an intelligent damage detection “skin” that can be embedded into [...]
Discharge Region Sensing Technology of High Voltage Equipment Based on The Testing of The Corona Radiation Field
High voltage discharge sensing using corona discharge electromagnetic radiation field is an important means to evaluate the reliability and safety of high voltage equipment during operation. But the traditional corona discharge electromagnetic radiation field testing [...]
Organic Nanobiomimetic Memristor/Memcapacitor Devices Ultrasensitive Direct Detect Matrix Matelloproteinase-2 in Human Serum
Matrix Matelloproteinase-2 (MMP-2) plays a key role in many diseases. A new type of dual-functioning device was developed for fast, direct ultrasensitive detection of MMP-2 using NIST SRM965A reference human serum specimens under label-free, probe-free [...]
Sensing Solution for Airborne Carbon Nanotube Exposure in Workplaces Based on Surface-Enhanced Raman Spectroscopy
Today’s advances in man-made nanomaterials pose new and unprecedented health risks, arising especially from airborne, inhalable fiber-shaped nanomaterials, like carbon nanotubes (CNTs). In vivo studies indicate that inhalation of CNTs can cause adverse pulmonary effects [...]
Label-free, rapid Listeria monocytogenes biosensor based on a stimulus response nanobrush and nanometal hybrid electrode
Recent foodborne outbreaks have heightened public concern about food safety and created a greater impetus to improve methods for foodborne pathogen detection. The most prevalent foodborne pathogens that persistently cause infections include Salmonella Typhimurium, Listeria [...]
Alcohol conent measuring system based in interstitial fluid extraction and SAW sensors
There is a need for a an easy to use, reliable, accurate and inexpensive blood alcohol content measurement system. Currently, alcohol content is measured by taking and analyzing a blood sample. This method is not [...]
Journal: TechConnect Briefs
Volume: 3, Biotech, Biomaterials and Biomedical: TechConnect Briefs 2017
Published: May 14, 2017
Industry sector: Sensors, MEMS, Electronics
Topic: Sensors - Chemical, Physical & Bio
ISBN: 978-0-9988782-0-1