Keyword: Materials identification

5 Ws: Green Design & Manufacturing
As concerns rise about methane, a CU startup is working toward plugging the leaks.
Briefs: Energy
A highly sensitive system for detecting the production of hydrogen gas can foster the development of hydrogen as an alternative to fossil fuels.
Briefs: Electronics & Computers

A middle infrared light source can detect greenhouse and other gases as well as molecules in a person’s breath. The compact system, which resembles a tiny suitcase, contains just two parts: a standard...

Briefs: Sensors/Data Acquisition

Methanol is sometimes referred to as ethanol's deadly twin. While the latter is the intoxicating ingredient in wine, beer, and liquor, the former is a chemical...

Briefs: Photonics/Optics

Any space, enclosed or open, can be vulnerable to the dispersal of harmful airborne biological agents. Silent and near-invisible, these bioagents can sicken or kill living things before...

Briefs: Software
SensiCut, a smart material-sensing platform for laser cutters, can differentiate among 30 materials commonly found in makerspaces.
Briefs: Sensors/Data Acquisition
The portable device can differentiate among bacteria, viruses, and other biothreats.
Briefs: Sensors/Data Acquisition
This technology provides accurate results on concentrations below levels that represent an immediate danger to life and health.
Briefs: Energy
The Battery Identity Global Passport could be accessible as a scannable QR code or a computer chip.
Briefs: Test & Measurement
The portable lab-on-a-chip detects many contaminants in water supplies.
Briefs: Sensors/Data Acquisition
The sensor is suitable for both overt and covert applications, and can detect multiple and variable targets.
Briefs: Mechanical & Fluid Systems
The technology detects the presence of one or more specific chemical components in a liquid.
Briefs: Materials
The AI system can help shorten the time required for 2D material-based electronics to be ready for consumer devices.
Briefs: Mechanical & Fluid Systems

An electrochemical sensing system that significantly improves the ability to rapidly and accurately detect heavy metals in biological and environmental samples was developed. Using a simple blood...

Briefs: Materials
Smartphone Test Spots Poisoned Water Risk

Researchers have developed a biosensor that attaches to a smartphone and uses bacteria to detect unsafe arsenic levels. The device generates easy-to-interpret patterns similar to volume-bars that display the level of contamination.

Briefs: Photonics/Optics
Micro UV Aerosol Detector

The detection of aerosols within fluid samples can be accomplished by optical methods. Such methods are useful in detecting potentially harmful aerosols such as biological aerosols that may be present after a biological agent attack or industrial accident. It is well known that biological molecules fluoresce when...

Briefs: Manufacturing & Prototyping

Researchers at the University of Houston have created an inexpensive system that can detect lead in tap water at levels commonly accepted as dangerous, using a lens made with an...

Briefs: Communications

Ordinary WiFi can easily detect weapons, bombs, and explosive chemicals in bags at museums, stadiums, theme parks, schools, and other public venues using a low-cost suspicious...

Briefs: Test & Measurement
Real-Time Ion Mobility Sensor System

A real-time ion mobility sensor developed to detect contaminants and explosives is reliable, sensitive, robust, and inexpensive. The technology improves sensitivity and reduces false alarms for threat agents, and can identify chemicals with a sensitivity of five parts per billion.

Briefs: Semiconductors & ICs

The detection and localization of gas releases, such as methane from leaking natural gas pipelines or nitrogen oxides from failing electrical equipment, require high sensitivity to the target gas and insensitivity...

Briefs: Test & Measurement
Configuration Enables RFID Tags to Work as Sensors

The detection and localization of gas releases, such as methane from leaking natural gas pipelines or nitrogen oxides from failing electrical equipment, require high sensitivity to the target gas and insensitivity to non-target gases. Infrared (IR) absorption spectroscopy gives highly specific...

Briefs: Sensors/Data Acquisition

Warfighters and law enforcement personnel encounter many situations where they need to assess and determine if a situation is hostile or benign. Currently available field explosive detection kits are...

Briefs: Medical

Infrared spectroscopy is the benchmark method for detecting and analyzing organic compounds. However, that requires complicated procedures and large, expensive instruments, making...

Briefs: Test & Measurement

Particle analysis is useful for determining chemical compositions in a wide range of disciplines, from ascertaining the source of a petroleum sample to duplicating a fragrance. The technique is appealing...

Briefs: Test & Measurement

NASA Langley Research Center has developed a wireless, open-circuit SansEC (Sans Electrical Connections) sensor that can detect the presence of chemicals without being in contact...

Briefs: Sensors/Data Acquisition

A material was developed for nuclear radiation detection that could provide a significantly less expensive alternative to the detectors now in commercial use. Specifically, the high-performance material is...

Briefs: Electronics & Computers

In many chemical processes, it is often desirable to detect the presence, quantity, and/or qualities of certain chemicals of interest; for example, in many closed chemical processes (either batch or...

Briefs: Electronics & Computers

Tufts University engineers have invented a chip-sized, high-speed modulator that operates at terahertz (THz) frequencies at room temperature and at low voltages without consuming DC...

Articles: Manufacturing & Prototyping

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft...