Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mark L. Clark"'
Autor:
Jeffrey A. Dill, Matthew D. Stout, Brian C. Sayers, Amit Gupta, Barry K. Hayden, Mark L. Clark, Joseph H. Roycroft, Nigel J. Walker, Gregory L. Baker, Dori R. Germolec, Henry S. DeFord
Publikováno v:
Toxicology. 339:87-96
C60 fullerenes (C60) are spherical structures consisting of 60 carbon atoms that are generated via combustion from both natural and anthropogenic sources. C60 are also synthesized intentionally for industrial applications. Individual C60 structures h
Autor:
Lauren M. Staska, Amit Gupta, Jeffery A. Dill, Sam J. Harbo, Judy T. Pierce, Blandina R. Valenzuela, Gregory L. Baker, Mark L. Clark
Publikováno v:
Toxicological Sciences. 101:122-131
While several recent reports have described the toxicity of water-soluble C60 fullerene nanoparticles, none have reported the toxicity resulting from the inhalation exposures to C60 fullerene nanoparticles or microparticles. To address this knowledge
Publikováno v:
Journal of Aerosol Science. 38:592-603
The generation of nanoparticles at concentrations sufficient to perform toxicology studies is highly challenging. The vaporization/condensation technique has successfully been used previously to generate nanoparticle aerosol. However, the maximum mas
Publikováno v:
Inhalation Toxicology. 16:291-310
A chronic inhalation toxicity/carcinogenicity study of potassium octatitanate fibers (TISMO) was conducted in male Fischer 344 rats. Groups of 135 rats were exposed via whole-body inhalation to 0, 20, 60, or 200 WHO fibers/cc of TISMO, 6 h/day, 5 day
Publikováno v:
HEC forum : an interdisciplinary journal on hospitals' ethical and legal issues. 24(4)
There has been increasing emphasis on professionalism in medical education over the past several decades, initially focusing on bioethical principles, communication skills, and behaviors of medical students and practitioners. Authors have begun to di
Autor:
Renee E. Johnson, Sam J. Harbo, K. Monica Lee, Kathy M. Gideon, Mark L. Clark, Roger A. Renne
Publikováno v:
Inhalation toxicology. 19(1)
AKR/J mice were exposed to cigarette smoke (CS) and/or lipopolysaccharide (LPS) via inhalation for 3 wk and pulmonary responses were evaluated. The objective was to explore the feasibility of coexposing LPS with cigarette smoke under a subacute expos
Autor:
Mark L. Clark
Publikováno v:
Administration and Policy in Mental Health. 16:89-98
The author considers the board of directors of a non-profit organization as a small group with the dynamics and processes characteristic of all such groups. He discusses implications of the dynamics of the behavior of the board members.
Publikováno v:
Pediatric Pulmonology. 4:134-138
Changes in the relative contribution of ribcage and abdomen during augmented breaths were assessed in two groups of infants (less than 2 weeks and 4-12 weeks old). In both groups ribcage and abdominal movements increased during augmented breaths in q
Publikováno v:
Pediatric pulmonology. 1(4)
Alteration of the breathing pattern seen during oral feeding has been attributed to the behavioral activity of sucking, repeated swallowing, and laryngeal chemoreceptor stimulation. Because it preserves the behavioral activity of sucking but eliminat
Publikováno v:
Environmental research. 40(2)
Rats were exposed by inhalation to 5 or 50 mg/m3 Mount St. Helens volcanic ash, to 50 mg/m3 quartz (positive controls), or to filtered room air (sham-exposed controls), for 6 hr/day, 5 days/week, for up to 24 months to investigate biological effects