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PubMed2002

[The position and application of nanotechnology in the development of life science].

In this article, the position of nanotechnology and its effects on life science are concisely discussed, including the effects of nanotechnology on biology, on the study of new type biomaterials, on the development of new drugs, on diagnosis and therapy methods. The importance of nanotechnology in life science is summarized, and the application and development of nanotechnology in life science are also discussed.

Biocompatible Materials↗
PubMedDate not supplied

[A view of tropical biology through the electron microscope].

The first electron microscope in Costa Rica was a donation from the government of Japan through its International Cooperation Agency (JICA) in 1974. This donation made possible the consolidation of what was to become the University of Costa Rica's Electron Microscope Unit (UME). Within three years the first scientific papers were published, dealing with ultrastructural aspects of "Corn's rayado fino virus" and rotavirus, viral agent of human diarrhea. Subsequent papers out of the UME were published for the most part in the Journal of Tropical Biology, totaling at least 50 in that journal alone by the year 2000. With the recent acquisition of Energy Dispersive Spectrometer to coupled in transmission electron microscope and scanning electron microscope to X ray analysis, the data acquisition of the UME has been greatly enhanced, making possible to analyze both structure and elemental chemical composition in a specimen. Other applications of this new technology include studies of environmental pollution with heavy metals, such as comparative analysis of residues on leaves from urban areas and those on leaves from primary forest.

Animals↗