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 ...

Researchers have developed an affordable, reliable paper-based sensor that works with a cellphone app to detect levels of iron in fortified food products. Many low-income countries have turned to mass ...

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 ...

"The paper-based sensor really stood out in that it seemed to be the most inexpensive and simplest to use, which aligns with the World Health Organization's criteria for developing these types of ...

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 ...

There is an arm of science focused on revealing insights about human behavior and public health by analyzing the contents of our sewage. Known as wastewater-based epidemiology (WBE), this technology ...

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 ...

A carbon dioxide sensor developed by physicists at the University of Alberta can be manufactured on a mere piece of paper. The simplicity of this environmental innovation has myriad potential uses - ...

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 ...

Hoping to save the paper manufacturing industry millions of dollars in energy costs, Lawrence Berkeley National Laboratory engineers have developed a laser ultrasonic sensor that measures paper's ...