Researchers develop a detector for continuously monitoring toxic gases

The material could be made as a thin coating to analyze air quality in industrial or home settings over time

22-May-2024 - Most systems used to detect toxic gases in industrial or domestic settings can be used only once, or at best a few times. Now, researchers at MIT have developed a detector that could provide continuous monitoring for the presence of these gases, at low cost. The new system combines two existing ...

Sensors made from ‘frozen smoke’ can detect toxic formaldehyde in homes and offices

The proof-of-concept sensors could be adapted to detect a wide range of hazardous gases

14-Feb-2024 - Researchers have developed a sensor made from ‘frozen smoke’ that uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts per billion, far beyond the sensitivity of most indoor air quality sensors. The researchers, from the University of ...

Smarter sensor sniffs out target gases

A chemical sensor endowed with artificial intelligence can learn to detect certain gases in the air with high sensitivity and selectivity

16-Nov-2022 - The device, developed at KAUST, uses machine learning to differentiate the gases according to the way they induce slight temperature changes in the sensor as they interact with it. Smart electronic sensors that can detect specific airborne molecules are in great demand for use in applications ...

World’s first micro power multi-channel gas detector chip for the mass market

Disruptive electronic nose sensor chip startup SmartNanotubes raises € 2.4M Series A

08-Feb-2022 - SmartNanotubes Technologies, a German startup that has developed the world’s first micro power multi-channel gas detector chip for the mass market, has raised € 2.4 million in its Series A funding round. Lead investors are Cottonwood Technology Fund and duotec GmbH. Game changer in the gas sensor ...

Hunting out hidden hydrogen: novel holey nanosheets for detecting hydrogen gas leaks

Scientists develop hydrogen sensors with holey zinc oxide "nanosheets" to prevent accidents from hydrogen gas leaks

15-Dec-2020 - In recent years, hydrogen (H2) has emerged as the best option for clean energy in our pursuit of an alternative fuel for mitigating environmental problems such as global warming. Hailed as "batteries of the future," H2 fuel cells are touted as the fuel for the future generation. While this is all ...

That's 'sew' smart!

Scientists invent threads to detect gases when woven into clothing

08-Apr-2019 - Tufts University engineers have developed a novel fabrication method to create dyed threads that change color when they detect a variety of gases. The researchers demonstrated that the threads can be read visually, or even more precisely by use of a smartphone camera, to detect changes of color ...

Wireless, wearable toxic-gas detector

Inexpensive sensors could be worn by soldiers to detect hazardous chemical agents

04-Jul-2016 - MIT researchers have developed low-cost chemical sensors, made from chemically altered carbon nanotubes, that enable smartphones or other wireless devices to detect trace amounts of toxic gases. Using the sensors, the researchers hope to design lightweight, inexpensive radio-frequency ...

bentekk GmbH receives seed funding to develop the market with gas measurement technology

28-Apr-2016 - The manufacturer of measurement instruments for toxic industrial gases bentekk successfully completes a seed funding round. The High-Tech Gründerfonds (HTGF) and the Innovationsstarter Fonds Hamburg (IFH) invest a six-figure sum in the Hamburg-based company. The handheld X-PID allows fast and ...

Optical approach offers faster and less expensive method for carbon dating

New highly sensitive spectroscopy method could offer on-site carbon dating and greenhouse gas measurements

08-Apr-2016 - Researchers from Istituto Nazionale di Ottica (INO), within Consiglio Nazionale delle Ricerche (CNR), Italy have demonstrated a new compact spectroscopic instrument that offers a highly sensitive optical method for detecting radiocarbon dioxide concentration, which can be used to carbon date ...

Butterfly wings help break the status quo in gas sensing

03-Sep-2015 - The unique properties found in the stunning iridescent wings of a tropical blue butterfly could hold the key to developing new highly selective gas detection sensors. New research by a team of international scientists, including researchers from the University of Exeter, has replicated the ...