Detecting nanoplastics in fractions of a second using modified Raman spectroscopy
Microplastics are tiny, barely visible plastic particles that can harm the environment, for example, if they are eaten by animals. However, it has been difficult to assess the effect of even smaller particles, which can hardly be detected using conve.....»»
Raman and infrared spectroscopy help identify different acetylated lysines
A research team led by Prof. Huang Qing from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences has used infrared and Raman spectroscopy to identify lysine acetylation features, providing a theoretical and experimenta.....»»
A novel Raman chemical sensor made from noodlelike threads of gold
Researchers created a special ultrathin sensor, spun from gold, that can be attached directly to the skin without irritation or discomfort. The sensor can measure different biomarkers or substances to perform on-body chemical analysis. It works using.....»»
Scientists observe longitudinal plasmonic field in nanocavity at subnano-scale
A group of scientists working on surface-enhanced Raman spectroscopy (SERS) has made a nanoruler to provide insight into the longitudinal plasmonic fields in nanocavities, according to research published in the Journal of the American Chemical Societ.....»»
Quantum sensor can detect electromagnetic signals of any frequency
Quantum sensors, which detect the most minute variations in magnetic or electrical fields, have enabled precision measurements in materials science and fundamental physics. But these sensors have only been capable of detecting a few specific frequenc.....»»
Inexpensive method detects synthetic cannabinoids, banned pesticides
Scientists have modified proteins involved in plants' natural response to stress, making them the basis of innovative tests for multiple chemicals, including banned pesticides and deadly, synthetic cannabinoids......»»
Novel enzyme-free strategy to detect organophosphorus pesticide residues
High usage and unreasonable methods have caused excessive residues of glyphosate in agricultural products, so it's necessary to find rapid and highly selective methods for detecting glyphosate residues. Laboratory instrument–based methods or enzyme.....»»
Webb"s mid-infrared spectroscopy will reveal molecules, elements
NASA's James Webb Space Telescope team continues to work its way through the 17 science instrument modes. This week they checked off numbers (5) NIRCam grism time series and (4) imaging time series, both used to study exoplanets and other time-variab.....»»
Microsoft Defender extends malware protection to macOS and Android—for a price
App also provides "security tips," checks the antivirus status of other devices. Enlarge (credit: Microsoft) The Microsoft Defender antivirus product built into Windows 10 and 11 is generally good enough at detecting and remov.....»»
Gene interaction that contributes to rice heat tolerance identified
Rice is one of the most important staple crops, on which more than half of the world's population depends. But as temperatures rise and extreme weather events increase, rice is becoming more vulnerable. Genetically modified strains can withstand some.....»»
New substrate for deep UV surface-enhanced resonance Raman scattering
The extreme accuracy and speed of NBA three-pointer Stephen Curry's long-range shots are well known to basketball fans around the world, but accuracy and speed are also a focus of research in biochemical testing. Dr. Yen Ta-Jen, professor in the Depa.....»»
Ultrafast lasers used to probe next-generation solar cells
Researchers have tracked the first fractions of a second after light strikes solar cells, providing insights into how they produce electricity......»»
Astronomers Might See Dark Matter by Staring into the Void
Vast reaches of mostly empty space could offer superior odds for detecting the invisible substance thought to make up more than 80 percent of the material in the universe -- Read more on ScientificAmerican.com.....»»
Detecting new particles around black holes with gravitational waves
Clouds of ultralight particles can form around rotating black holes. A team of physicists from the University of Amsterdam and Harvard University now show that these clouds would leave a characteristic imprint on the gravitational waves emitted by bi.....»»
Nano-sensor detects pesticides on fruit in minutes
Researchers at Karolinska Institutet in Sweden have developed a tiny sensor for detecting pesticides on fruit in just a few minutes. The technique, described as a proof-of-concept in a paper in the journal Advanced Science, uses flame-sprayed nanopar.....»»
Akamai Malware Protection blocks malicious files uploaded to web apps and APIs
Akamai Technologies unveiled Malware Protection, which shields web applications and APIs from malicious uploads. The solution expands Akamai’s web application and API protection (WAAP), detecting and blocking malware at the edge, preventing it.....»»
Genetically modified corn found to not damage non-target organisms
The largest, highest quality analysis of data ever conducted reveals that genetically modified Bt corn has little impact on nontarget insects and other organisms, especially compared to growing conventional corn. This study was published today in Env.....»»
Toyota taps radar to stop child deaths in hot cars
Cabin Awareness, developed by Toyota subsidiary Toyota Connected, uses advanced radar capable of detecting micromovements to ensure that passengers or pets aren't left unattended in a vehicle. The concept is being tested with an autonomous drivi.....»»
Atomic-scale window into superconductivity paves the way for new quantum materials
In a study published in Nano Letters, researchers have demonstrated a new technique to measure the quantum excitations in superconducting materials with atomic precision for the first time. Detecting these excitations is an important step towards und.....»»
Probing the crucial charge carrier transfer processes and dynamics within perovskite active layers
A new publication from Opto-Electronic Science reviews the crucial charge carrier transfer processes and dynamics within perovskite active layers by means of time-resolved ultrafast laser spectroscopy......»»
Chemists design chemical probe for detecting minute temperature shifts in the body
The noninvasive, life-saving technique known as magnetic resonance imaging works by aligning hydrogen atoms in a strong magnetic field and pulsing radiofrequency waves to convert the response of those atoms into an image......»»