Tag: "organic" at medical news
Nanotechnology's miniature answers to developing world's biggest problems
...ide and on magnetic nano-particles) that decompose organic
pollutants and remove salts and heavy metals from liquids, enabling the use of heavily contaminated and salt water for irrigation and drinking. Several of the contaminating substances retrieved could then be easily recycled. Disease diagnosis and scr...
Being too clean could be hazardous to your health and the environment
...oroform is produced when free chlorine reacts with organic
material. "This is the first work that we know of that suggests that consumer products, such as antimicrobial soap, can produce significant quantities of chloroform," said Vikesland. The implications of these reactions to consumers are not known. "Th...
World-leading scientific databases now accessible via handhelds
...database contains records for more than 25 million organic
and inorganic substances, including small molecules, and more than 56 million sequences. In addition, CAplus contains more than 23 million chemistry-related literature and patent references back to 1900. CAS will be making this new mobile route to ...
As morphine turns 200, drug that blocks its side effects reveals new secrets
...me and published in 1806, he managed to isolate an organic
alkaloid compound from the resinous gum secreted b...chers soon began to isolate similar alkaloids from organic
substances, such as strychnine in 1817, caffeine in 1820 and nicotine in 1828. In 1831, Serturner w...
American Thoracic Society Journal news tips for June 2005 (first issue)
...asis of complex "smellprints" of numerous volatile organic
compounds in exhaled breath from individuals with lung cancer as compared with either other non-cancerous lung disease or healthy controls. According to the authors, analysis of results from the "electronic nose" demonstrated its ability to discrimin...
Harvard scientists report public health impact of 1990 Iraq invasion of Kuwait
...ssments for other contaminants -- such as volatile organic
compounds, polycyclic aromatic hydrocarbons and metals from the oil lakes and marine oil spills; and depleted uranium -- indicated that population exposures to these compounds were unlikely to lead to appreciable risks to public health. Research cond...
News briefs from the journal Chest, July 2005
...d burning and Caucasians' exposure to agricultural organic
dust are associated with different phenotypes of sarcoidosis. This finding may indicate that African-Americans and Caucasians are either affected differently by the same exposures or that they come into contact with different exposures. The study a...
'Heroes of Chemistry' honored for improving health, environment
...oratories, Baton Rouge, La. He received a Ph.D. in organic
chemistry in 1977 from Stanford University. Jef...versity of Texas at Austin. He received a Ph.D. in organic
chemistry in 1973 from the University of California, Berkeley. The Johnson & Johnson Pharmaceutic...
K-State researchers designing better drug to treat cystic fibrosis
...ium," Tomich said. "This is a section organized by organic
chemists." Tomich and his collaborators have used a series of single and double amino acid substitutions to modulate the activity of a channel forming peptide derived from the second transmembrane segment of the alpha subunit of the human spinal cord...
Subproducts resulting from disinfecting drinkable water
...e employed as disinfectant reacts with the natural organic
material present in surface water. This interaction is responsible for the presence of certain undesirable substances known as disinfection subproducts. In fact, current legislation includes some of these disinfection subproducts amongst their criter...
Air pollution found to pose greater danger to health than earlier thought
... droplets. That includes acids (such as nitrates), organic
chemicals, metals, dust and allergens. Small particles less than 2.5 micrometers in diameter pose the greatest problems to health because they can penetrate deep into the lungs and sometimes even enter the bloodstream. In this study, the researchers ...
1.7m to build world's first SIMS instrument combined with infra-red spectroscopy
...ning up new possibilities in the study biological, organic
and inorganic materials. The capabilities of the instrument, which is expected to be built within two years, will be tested on materials such as prostate cancer tissue and environmental particulate pollutants. The new instrument will enable surface a...
Intake of dietary copper helps Alzheimer's patients
... potential beneficial effect of copper orotate (an organic
copper salt), which is given together with a standard cholinesterase inhibitor. A diagnosis of mild to moderate dementia of the Alzheimer type is a prerequisite. Besides clinical investigations, laboratory investigations of blood and cerebrospinal fl...
Nanoscale study gives new insight into heat transfer in biological systems
... increasingly combining solid surfaces with softer organic
materials, and understanding heat flow will be a key aspect of continuing to shrink the dimensions of chip components, the researchers say. The findings also provide more fundamental insights that are extremely important for understanding any system ...
Arsenic discharged from landfills, says Dartmouth research
...andfills, especially in areas where the landfill's organic
material mixes with naturally occurring iron oxide...robes increase arsenic concentrations by consuming organic
wastes and creating a 'reducing condition' where the oxygen concentration is very low, which is cond...
Organic diets lower children's exposure to two common pesticides
...cher Chensheng "Alex" Lu, PhD. The substitution of organic
food items for children's normal diets substantial...ted most of the children's conventional diets with organic
food items for five consecutive days. The children were then re-introduced to their normal foods an...
Understanding and nourishing the roots of food quality
...tamins, minerals, and antioxidants in food through organic
farming practices. Significant taste and nutritional differences between conventional and organic
apples and strawberries will be among the research findings presented. Steps required to provide Ame...
New insight into cause of Crohn's disease
...ight lead to the persistence of bacteria and other organic
debris in the tissue. The body may respond to this build up of bacteria by secreting inflammatory molecules, which accumulate and lead to the development of chronic inflammation typical of Crohn's. Professor Segal states: "Our investigations identif...
Primary biliary cirrhosis more prevalent around toxic waste sites in NYC
... near these clusters were contaminated by volatile organic
compounds, like benzene and toluene, and chlorinated hydrocarbons, like tri- and tetra-chloroethylene. The cluster on Staten Island was statistically significant, and located near a SFS contaminated with volatile aromatic hydrocarbons and trichloroet...
Chemistry as a life science
...led to the development of the metathesis method in organic
synthesis. Metathesis is used daily in the chemica...edicated to the memory of Dr. Willy Leimgruber, an organic
chemist and Director of Chemical Research at Hoffman-LaRoche in Nutley from 1973 until his death in ...
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