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Nanomaterials Feb 12, 2026

Wearable sensor can detect dangerous ammonia gas through color and electronics

Ammonia (NH3)—the second-most-produced chemical globally—has proven to be highly important in furthering human civilization over the centuries, both in terms of technological capabilities and innovation potential. It is widely ...

Environment Feb 12, 2026

Drones with low-cost air quality sensors can improve air quality monitoring

A drone equipped with low-cost air quality sensors has revealed unexpectedly high concentrations of particulate matter at around 100 meters above ground level in Delhi. These new vertical insights could play an important ...

Analytical Chemistry Feb 11, 2026

Ammonia leaks can be spotted in under two seconds using new alveoli-inspired droplet sensor

Researchers from Guangxi University, China have developed a new gas sensor that detects ammonia with a record speed of 1.4 seconds. The sensor's design mimics the structure of alveoli—the tiny air sacs in human lungs—while ...

Biotechnology Feb 10, 2026

In-situ sensor enables real-time monitoring of soil nitrate nitrogen

Accurate measurement of soil NO₃⁻-N is essential for precision fertilization and stable crop yields. Real-time monitoring of NO₃⁻-N has long been a challenge in agriculture. Conventional soil nutrient testing relies on time-consuming ...

Biotechnology Feb 9, 2026

Wireless sensor assesses subsoil health in effort to cut costs and refine farming

A new smart platform invented by Purdue University researchers to wirelessly monitor subsoil health could change the landscape of agricultural sensing systems. The invention addresses a critical need in agriculture nationwide: ...

Quantum Physics Feb 6, 2026

Study reveals microscopic origins of surface noise limiting diamond quantum sensors

A new theoretical study led by researchers at the University of Chicago and Argonne National Laboratory has identified the microscopic mechanisms by which diamond surfaces affect the quantum coherence of nitrogen-vacancy ...

General Physics Feb 3, 2026

Tiny droplets navigate mazes using 'chemical echolocation,' without sensors or computers

A recent study by a team of researchers led by TU Darmstadt has found that tiny amounts of liquid can navigate their way through unknown environments like living cells—without sensors, computers or external control. The tiny ...

General Physics Feb 2, 2026

Intercity quantum sensor network tightens axion dark matter constraints

Recently, scientists from institutions including the University of Science and Technology of China made a fundamental breakthrough in nuclear-spin quantum precision measurement. They developed the first intercity nuclear-spin-based ...

Polymers Jan 29, 2026

Biodegradable polymers used to develop eco-friendly, high-performance gas sensors

Air pollutants like nitrogen dioxide (NO2), primarily produced during fossil fuel combustion, pose a serious concern for human health, contributing to respiratory diseases like pulmonary edema, bronchitis, and asthma. Effective ...

Biochemistry Jan 27, 2026

Raman sensors with push-pull alkyne tags amplify weak signals to track cell chemistry

Seeing chemistry unfold inside living cells is one of the biggest challenges of modern bioimaging. Raman microscopy offers a powerful way to meet this challenge by reading the unique vibrational signatures of molecules. However, ...

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