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CDC Public Access
Items in this collection are manuscripts and articles written by CDC or CDC-funded authors, and published in scholarly journals outside CDC. These items are available in compliance with the 2024 update of CDC-GA-2013-01 CDC Public Access to CDC-Funded Publications, available at: https://stacks.cdc.gov/view/cdc/159734.
Marburg virus, the prototype of the family Filoviridae, differs genetically, serologically, and morphologically from Ebola viruses. To better define the genetic variation within the species, VP35 and glycoprotein (GP) genes of representative human isolates from four known episodes of Marburg virus hemorrhagic fever were analyzed. The percentage nuc
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Aug 1998
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Environ Health Perspect. 106(Suppl 4):1065-1067.
Outreach, training, technology transfer, and research are often treated as programmatically distinct activities. The interdisciplinary and applied aspects of the Superfund Basic Research Program offer an opportunity to explore different models. A case study is presented that describes a collaborative outreach effort that combines all of the above.
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While various types of equipment are used in bulk material processing plants to control respirable dust, the equipment often doesn't adequately protect workers. One cost-effective way to supplement your existing dust control equipment is to install a whole-plant ventilation system. This article outlines research by the National Institute of Occupat
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1997/10/01
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Environ Health Perspect 1997 Oct; 105(10):1126-1130
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National Institute for Occupational Safety and Health (NIOSH)
A study of thyroid and cytogenetic changes in Mexican farmers who applied ethylenebis(dithiocarbamate) (EBDC) fungicides was conducted. The cohort consisted of 49 workers who sprayed EBDCs such as mancozeb (8018017) and maneb (12427382) from backpacks on tomato farms and 14 small land owners who sprayed small quantities of EBDCs on tomato crops in
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09/01/1997
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Inst Min Metall, Trans, Sect A: Min Ind 1997 Sep-Dec; 106:A124-A132
The sudden, violent collapse of large areas of room-and-pillar mines poses a special hazard for miners and mine operators. This type of failure, termed a 'cascading pillar failure' (CPF), occurs when one pillar in a mine layout fails, transferring its load to neighbouring pillars, which causes them to fail, and so forth. Recent examples of this kin
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Synopsis U.S. Mine Safety and Health Administration (MSHA) accidents statistics have identified ore-pass hazards as a significant safety problem in U.S. underground metal mines. The statistics show that nearly 75% of injuries are directly or indirectly related to pulling or freeing of ore-pass chutes, the use of hand tools in ore passes, fails of b
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1997/09/01
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Environ Health Perspect 1997 Sep; 105(Suppl 5):1131-1137
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National Institute for Occupational Safety and Health (NIOSH)
Porcine endothelial cells isolated from fresh aortas and third passage human pulmonary microvascular endothelial cells were incubated with chrysotile (12001295) or crocidolite (12001284) asbestos or RCF-1 ceramic fibers. A 1 to 3 hour exposure to 5mg/cm2 of chrysotile caused marked cell elongation and motility. When cells were pretreated with eithe
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1997/09/01
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Environ Health Perspect 1997 Sep; 105(9):998-1001
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National Institute for Occupational Safety and Health (NIOSH)
An analysis of factors leading to the occurrence of hazardous materials incidents occurring in Massachusetts, USA, was performed. Incident reports of the State of Massachusetts' six district hazmat teams up to May 1996 were reviewed to determine the site or type of facility involved, chemicals or agents encountered, the mechanisms causing the relea
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1997/09/01
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Environ Health Perspect 1997 Sep; 105(Suppl 5):1319-1324
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National Institute for Occupational Safety and Health (NIOSH)
The effects of iron (7439896) contamination on the pulmonary responses to quartz (14808607) dust were examined. Fischer-344-rats were exposed by whole body inhalation to 20mg/m3 of freshly milled quartz dust containing 57 parts per million (ppm) iron (low iron contamination) or 430ppm iron (high iron contamination) 5 hours daily for 10 days. The ra
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Study Design. A split-plot experimental design was used to evaluate the influence of posture, trunk angle, and rotational velocity on peak torque output and myoelectric activity during maximal trunk extension maneuvers. Objectives. To determine whether the kneeling posture alters extension torque capabilities in isometric and isokinetic exercises a
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The involvement of chemokines in inflammation is well established, but their functional role in disease progression, and particularly in the development of fibrosis, is not yet understood. To investigate the functional role that the chemokines monocyte chemoattractant protein-1 (MCP-1) and RANTES play in inflammation and the progression to fibrosis
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Feb 1997
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Environ Health Perspect. 105(Suppl 1):165-177.
Oxygen free radicals and their metabolites, collectively described as reactive oxygen species (ROS), have been implicated in the pathogenesis of many diseases. The pulmonary system is particularly vulnerable to ROS-induced injury because of its continuous exposure to toxic pollutants from a wide variety of sources in the ambient air. Additionally,
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In an effort aimed at monitoring mining-induced stress changes that may influence ground failure, the US Bureau of Mines conducted a series of active 3-D seismic tomographic surveys at the Homestake (Lead, South Dakota) and Lucky Friday (Mullan, Idaho) mines. Existing rock bolts were used to mount geophones and as strike points for introducing seis
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In fiscal 1996, the US Congress directed that the US Bureau of Mines (USBM) be closed. Certain functions were reassigned to other agencies. The remaining employees were separated and the unoccupied sites were decommissioned. As a result, 12 locations were closed and about 1,200 employees were terminated in March 1996. About 600 employees at five lo
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Feb 1997
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Environ Health Perspect. 105(Suppl 1):155-163
One of the challenges in environmental health is to attribute a certain health effect to a specific environmental exposure and to establish a cause-effect relationship. Molecular epidemiology offers a new approach to addressing these challenges. Mutations in the tumor suppressor gene p53 can shed light on past environmental exposure, and carcinogen
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