EHPnet: Greener Education Materials for Chemists
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EHPnet: Greener Education Materials for Chemists
Research The incidence of asthma has escalated over the past 20 years. Increasingly, initial asthma episodes are observed early in life (Holt 1998; Weiss 1998). In 2004, nearly 30% of the 30 million diagnosed asthmatics in the United States were < 18 years of age. The highest asthma prevalence rate (148/1,000) exists in 5-to 17-year-olds (American Lung Association 2006). Despite the often early...
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Morphology plays an essential role in chemistry through the segregation of atoms and/or molecules into different phases, delineated by interfaces. This is a general process in materials synthesis and exploited in many fields including colloid chemistry, heterogeneous catalysis, and functional molecular systems. To rationally design complex materials, we must understand and control morphology ev...
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Background: Gastroparesis has a number of etiologies. The main ones are secondary to a complication from diabetes mellitus, related to post vagotomy or post gastric surgical resections, or idiopathic when the etiology is unclear. Gastroparesis secondary to a demyelinating disease of the brain is unusual. Case presentation: A 22-year-old woman was referred for acute onset of intractable nausea a...
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After attending the sarcoma session of the 1990 meeting of the American Society for Clinical Oncology, one might be forgiven for wondering if chemotherapy for metastatic soft tissue sarcoma (STS) has come a full circle. It is 18 years since the South West Oncology Group (SWOG) published results of the first large scale study of doxorubicin (ADR) (O'Bryan et al., 1973). In 45 evaluable patients ...
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In areas from assembly of machines to surgery, and from deactivation of improvised explosive devices (IEDs) to unmanned flight, robotics is an important and rapidly growing field of science and technology. It is currently dominated by robots having hard body plans—constructions largely of metal structural elements and conventional joints—and actuated by electrical motors, or pneumatic or hydrau...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 2005
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.113-a737