Articles tagged with Chemical Weapons
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Researchers at Washington University in St. Louis are developing a new way to detect sulfur mustard, a highly toxic chemical warfare agent, using nucleic acid molecular recognition and dendrimers.
A study by Virginia Tech undergraduate Megan O'Hara found that surface properties significantly influence bacterial twitching motility, allowing for rapid colonization and infection. By manipulating surface properties with detergents like bile salts, researchers can alter the functionality of type IV pili, a critical virulence factor.
The review highlights the need for accurate bioaerosol detection methods that can distinguish between microorganisms at the species level. Laser-induced fluorescence and Raman spectroscopy are identified as promising technologies for online monitoring, but flaws in current methods must be addressed to improve accuracy.
Research finds military veterans exposed to low doses of chemical warfare agents have higher rates of mortality from genitourinary diseases and deaths attributable to alcohol. However, overall cancer incidence is not significantly associated with Porton Down attendance.
A recent study found that most Antarctic species' chemical compounds can repel amphipod predators but are ineffective against hermit crabs, which could decimate local populations. This highlights the vulnerability of Antarctic ecosystems to invasive species and underscores the importance of long-term research on the seafloor.
Researchers found blow flies can be used to detect chemical warfare agents and pollutants, providing a safer alternative for investigating environmental contamination. The insects' guts store information about the environment, which can be analyzed using mass spectrometry.
The Chemical Weapons Convention comprehensively bans development, production, and use of chemical weapons worldwide. The OPCW must address scientific issues to prevent re-emergence, particularly regarding toxic 'non-lethal' or 'incapacitating' chemicals.
The article highlights the threat of future chemical attacks during a period of rapid scientific change. The authors emphasize the need for collective review and strengthening of global measures to prevent the re-emergence of chemical weapons.
A new study describes a method to save lives in chemical attacks by predicting the trajectory of released chemical plumes. The research team developed an early warning prediction system using a weather forecasting model and local sensor data, which was able to accurately predict the spread of gas in a recent Syrian attack.
Scientists have developed a way to adhere a lightweight coating onto fabrics that can neutralize nerve agents delivered through the skin, potentially protecting soldiers and emergency responders. The coating uses a zirconium-based metal-organic framework that deactivates harmful compounds in under 5 minutes.
Researchers at the University of Tennessee have made significant progress in engineering enzymes that can break down nerve agents, potentially creating a prophylactic drug. The study uses neutron scattering and computational sciences to improve the efficiency of these bioscavengers, which could lead to safer use of chemical weapons.
Close to 1,400 tons of chemical weapons remain in Syria, requiring multiple strategies for destruction. Destroying the stockpile will require specialized equipment and careful handling of precursor chemicals.
The article highlights the importance of pharmacists' knowledge of toxic agents and treatment methods in event of a chemical weapons attack. Pharmacists can provide valuable expertise to healthcare facilities and government agencies, and are also essential in managing biological, radiological, and nuclear threats.
Historian R.M. Douglas's research challenges the notion that British forces used chemical weapons against Iraqis after World War I, citing faulty evidence and official records that contradict these claims. Despite the lack of evidence, the allegations have persisted as a rallying cry for anti-war critics.
Researchers at Argonne National Laboratory have discovered a new compound that could potentially detect chemical and biological weapons over long distances. The compound, (A)ZrPSe6, was made possible by the unique beamline of the Advanced Photon Source, allowing scientists to analyze its remarkable properties.
Research at Yale School of Medicine found significant psychological distress among Iranians exposed to high-intensity warfare and chemical attacks. Fifty-nine percent of Sardasht residents experienced PTSD in their lifetime, with severe depressive symptoms also prevalent.
The development of micro-reactors poses a challenge to the Chemical Weapons Convention's monitoring and verification capabilities. These small reactors can produce lethal chemicals with minimal signature, making it harder to detect malicious intent.
A new sensor system combining flame photometer, ion mobility spectrometer and surface acoustic wave array detects chemical vapors with high accuracy. The PSU-developed CINET software reduces false alarms by correlating data from multiple detectors.
Researchers found that P putida can transform mustard by-product toxins, decreasing their levels by up to 83%. This biotechnological method offers maximum environmental safety by degrading pollutants into harmless products. The bacteria strain could be used in plant-microbial associations for future remediation of contaminated soils.
The INEEL-designed Munitions Assessment System processes drums containing multiple chemical munitions, using digital radiography and computed tomography to identify chemical fill. The system also includes portable isotopic neutron spectroscopy for accurate chemical analysis.
Researchers have developed heat-actuated lightweight and compact cooling technology capable of sustaining manageable temperatures for several hours. The system can weigh as little as three to four pounds, providing relief from extreme conditions, and is expected to benefit both military and commercial applications.
The article highlights the need for guidelines on human test subjects in chemical and biological warfare research. Bioethicists emphasize the importance of fair and humane treatments, including ensuring subject competency and freedom of choice.
Researchers at the University of Delaware have developed a portable detection platform that can detect chemical and biological weapons using infrared spectroscopy. The device, about the size of a large shoebox, can identify even small amounts of agents in solid, liquid or vapor phases.
The Red Cross has identified new 'cruel weapons' such as sound beams, sticky foam, capture nets, and microwaves that can cause severe injuries. The organization's SIrUS Project aims to outlaw these weapons by defining superfluous injury and unnecessary suffering based on scientific data.
The use of depleted uranium weapons by US and British forces in the Balkans threatens the health of soldiers on both sides, as well as civilians. The radioactive dust created by these weapons can cause cell damage, increase cancer risk, and pose a threat to kidneys.
Researchers at the University of Maryland have developed a new method to detect chemical weapons by reacting with specific phosphate esters. The system uses molecules that selectively detect even small amounts of lethal phosphate esters, reducing false positives from benign chemicals like pesticides.
Researchers developed portable isotopic neutron spectroscopy (PINS) to analyze warhead contents, revealing most Solomon Islands warheads contained mustard gas. The system uses neutrons from californium to record gamma-ray emission, identifying chemical elements and fills.
A team of scientists from Idaho National Laboratory developed a system to evaluate what's inside projectiles without opening them. The PINS technology uses neutron spectroscopy to determine the type and amount of chemical agents, enabling safe disposal and preventing accidental destruction of incinerators.
Researchers at the University of Wisconsin-Madison have extracted a range of natural chemical compounds from the green ash tree that can repel or poison gypsy moth larvae. The chemicals work at very low concentrations and offer an environmentally benign alternative to existing control methods.