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Journals and Conferences
Organisms living in coastal waters are exposed to anthropogenic contaminants from terrestrial drainage, ice melting and maritime traffic and to enhanced UVB radiation (UVBR; 280-320 nm) caused by decreased concentrations of ozone in the stratosphere. This article reviews available information about the combined effects of UVBR and selected hydrosoluble… (More)
The impact of UV-B radiation (UVBR; 280-320 nm) on lower levels of a natural plankton assemblage (bacteria, phytoplankton and microzooplankton) from the St. Lawrence Estuary was studied during 9 days using several immersed outdoor mesocosms. Two exposure treatments were used in triplicate mesocosms: natural UVBR (N treatment, considered as the control… (More)
Changes in phytoplankton pigment content, in vivo fluorescence as well as in abundance and cell characteristics of phyto- and bacterioplankton were investigated on a field-collected microplankton assemblage from Ushuaia Bay (Southern Argentina). Effects of different experimental treatments were examined: natural and enhanced ultraviolet-B radiation (UVBR:… (More)
A microcosm approach was designed to study the combined effects of tributyltin (TBT) from antifouling paints and ultraviolet-B radiation (UVBR: 280-320 nm), on a natural planktonic assemblage (<150 microm) isolated from the St. Lawrence Estuary at the end of the springtime. Microcosms (9l, cylindrical Teflon bags, 75 cm heightx25 cm width) were immersed in… (More)
The Authors show an original technical method to execute incisor teeth reimplantation. The clinical observation considers 8 cases of incisor teeth reimplantation.
The Authors would like to underline an original statistical research on the cancer of the mouth, collected over a period of ten years of clinical observation with the principle aim of obtaining results which can be used on a pratique and operative bases.