Environmental Health & Safety of Nanomaterials – Page 19

From Biotechnology to Nanotechnology: Parallels in State Regulatory Review

Bosso C.J., McCarty K., Northeastern University, US

This case study of the process by which Massachusetts reviewed and revised environmental regulations pertaining to the biotechnology industry provides useful insights into the potential regulatory issues facing the nanotechnology sector and lessons about how [...]

Nanosize Iron Oxide for CO Oxidation

Wu Z., Fransson M., Zhou B., Headwaters Technology Innovations LLC, US

Transition metal oxides are desirable alternatives to precious metals based catalysts for CO oxidation since they are less costly. Several nanosize iron oxides were prepared by using Headwaters Technology Innovation (HTI) NxCat® colloidal chemistry nanotechnology. [...]

A Non-Contact Culture Model for Investigating Cell Signaling and Nanotoxicity

Gao W.J., Dukhande V.V., Jandhyam S., Wang Y.-H., Gu H.-Y., Lai J.C.K., Lai M.B., Lai J.C.K., Lai M.B., Leung S.W., Idaho State University, US

There is general agreement that in vitro cell model systems offer many advantages over in vivo model systems in elucidation of cell signaling and other mechanisms underlying a toxicant’s effect. While the 3-D cell models [...]

Impact of CNT Ingestion on in Vitro Cells

Mangir T., Chaves J., Chaves S., Chaves J., Chaves S., CSULB, US

In this paper we will describe our results of CNT ingestion in in vitro cell cultures. We will present AFM pictures of the observed impact of CNT on cell growth. We will describe the bio-nano [...]

A Co-Culture Model for Nanotoxicity and Tissue Engineering Studies

Wang Y.-H., Jandhyam S., Dukhande V.V., Gao W.J., Gu H.-Y., Lai J.C.K., Lai M.B., Leung S.W., Lai J.C.K., Lai M.B., Idaho State University College of Pharmacy & Biomedical Research Institute, US

Cell model systems in vitro play vital roles in recent advances in toxicological and tissue engineering research. They are particularly versatile in facilitating signaling and related mechanistic studies. Although the 3-D cell models better simulate [...]

Influence of Nanoparticles on the Nervous Tissue Properties

Reshetov I.V., Chissov V.I., Sukharev S.S., Timoshenko V.Y., Sidletskiy V.Y., Forsh P.A., P.A.Hertzen Moscow Research Oncological Institute, RU

Interaction between the nanoparticles and nervous tissue in the process of the damage healing is the object of study in the present work. Laboratory animal (rat) was put into deep narcosis. The Nervus ischiadicus was [...]

In Vitro Diagnosis and Analysis of the Potential Effects of Carbon Nanotube Exposure on the Human Respiratory System

Bowen E., Purser F., Park Y.B., Lee J.S., Kwon S., Utah State University, US

Recent discoveries of various forms of carbon nanostructure have stimulated researches on their applications and hold promise for applications in medicine and many other related engineering areas. While carbon nanotubes (CNT’s) are already being produced [...]

Monte Carlo Multi-Criteria Risk Analysis of Single Wall Carbon Nanotube Production Processes Under Uncertain Manufacturing Costs, Occupational Health Risks, and Regulatory Standards

Ok Z.D., Isaacs J.A., Benneyan J.C., Northeastern University, US

Considerable uncertainty exists regarding full-scale manufacturing costs, occupational risks, and probable future regulatory standards for various single wall carbon nanotube (SWNT) manufacturing processes. Monte Carlo models have been developed to investigate these implications and compare [...]

Experimental evaluation of individual protection devices against nanoaerosols:

Golanski L., Rouillon F., Guiot A., Bernard S., Tardif F., CEA, FR

Analysts have estimated that the worldwide market for nanoparticles will be about 340 billion Euro in 2011 which would rank it alongside the automobile and microelectronic industries. However, potential impact of these new materials on [...]

Nanomaterials down the drain: perception and reality

Sellers K., Bergeson L.L., AMEC, US

The fate of nanoparticles in commercial products at the end of product life is not entirely clear. This uncertainty, coupled with the unknowns regarding the potential for risks to human health and the environment, could [...]