An inexpensive paper sensor along with a smartphone-based reader can rapidly provide information on a person's personal smoke exposure during wildfire season. (Nanowerk News) An inexpensive paper ...

Researchers at the University of São Paulo (USP) in Brazil have developed a kraft paper-based electrochemical sensor that can detect traces of pesticides in fruit and vegetables in real time when ...

Scientists have invented a paper-like, battery-free, AI-enabled sensor patch -- PETAL -- for convenient and effective monitoring of wound recovery. This novel technology provides early warning of ...

As the COVID-19 pandemic continues to spread across the world, testing remains a key strategy for tracking and containing the virus. Bioengineering graduate student, Maha Alafeef, has co-developed a ...

Researchers have developed a rapid, ultrasensitive test using a paper-based electrochemical sensor that can detect the presence of the virus in less than five minutes. It uses a graphene biosensor and ...

Patches seem to be all the rage these days. There are birth control patches, nicotine patches, and transdermal medicinal patches, just to name a few. Now, a team of researchers led by Beomjoon Kim at ...

The COVID-19 pandemic introduced everyone to the world of PCR tests and lateral flow tests but since then, a different type of testing has quietly been gaining momentum. Wastewater testing is a ...

Testing wastewater samples is one of the primary methods for assessing infectious disease prevalence in populations. By collecting and testing samples from various water treatment plants, scientists ...