Search results for nanograms

Analytical Chemistry Nov 20, 2025

Non-contact detection method to identify trace fentanyl

Scientists at the U.S. Naval Research Laboratory (NRL), working with Florida International University's (FIU) Global Forensic and Justice Center, have demonstrated a new method for detecting trace levels of fentanyl using ...

Environment Nov 5, 2025

What should countries do with their nuclear waste? Management strategies focus on radionuclide iodine-129

One of the highest-risk components of nuclear waste is iodine-129 (I-129), which stays radioactive for millions of years and accumulates in human thyroids when ingested. In the U.S., nuclear waste containing I-129 is scheduled ...

Environment Oct 27, 2025

High levels of short-chain PFAS found in blood of residents living near chemical facility

In a new study appearing in Environmental Science and Technology, researchers found high levels of ultrashort-chain per- and polyfluoroalkyl substances (PFAS) in blood samples taken from Wilmington, N.C. residents between ...

Plants & Animals Sep 25, 2025

Sunk debris from World Wars provides home for wildlife

More marine life is living on some World War II munitions disposed of on the Baltic Sea's seabed than on the sediment surrounding it. The findings, reported in a paper in Communications Earth & Environment, show that some ...

Materials Science Aug 8, 2025

Sunlight-activated material turns PFAS in water into harmless fluoride

Researchers at the University of Adelaide have developed a sunlight-activated material that can degrade per- and polyfluoroalkyl substances (PFAS) in water, breaking down the pollutant into harmless components, including ...

Environment Aug 6, 2025

Study analyzes nicotine concentrations in Berlin's waters

Researchers from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) have analyzed various bodies of water in Berlin for traces of nicotine. They detected nicotine in all of the samples, with concentrations ...

Environment Jul 26, 2025

Belgian region grapples with forever chemical scandal

A water contamination scandal has gripped a leafy corner of southern Belgium, causing anxious residents to queue up for blood tests to confirm potential exposure to so-called forever chemicals.

Environment May 29, 2025

New data shows most of us have PFAS in our blood. How worried should we be?

The Australian Bureau of Statistics (ABS) has this week released new data which tells us about the presence of per- and polyfluoroalkyl substances (PFAS) in Australians' bodies.

Earth Sciences May 28, 2025

Pollution from the Tijuana river affects air quality in San Diego, finds study

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater—including sewage, industrial waste and runoff—into the Pacific Ocean every day, making it the dominant ...

Bio & Medicine May 14, 2025

MXene-antibody sensor enables low-cost, accurate vitamin D detection in remote regions

An electrochemical sensor designed to address a global health issue that particularly impacts people in the Middle East and North Africa (MENA) has been created by a multidisciplinary team at KAUST. The sensor detects low ...

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