The magazine initially considered illustrating a biological and chemical weapons article with a cover featuring a gas mask and a single word in capital letters: "Bioterror".
Substances of very high concern and restricted chemicals in articles were also monitored by non-governmental organizations.
In the situation of PCPs, it must be questioned whether consumers are supplied 'with sufficient information to handle chemicals and articles containing the most hazardous substances safely' ([3] Page 10).
Our understanding of RPE65 biochemistry has changed dramatically since the last Chemical Reviews article covering the visual cycle.
While the active ingredients in pharmaceuticals and pesticides have to be documented on the final product, this is not the case for chemicals in articles, materials and goods.
Because industrial chemicals are articles of commerce, information about injury to wildlife has been contentious and too often ineffective in changing societal behavior.
For example, although only 540 chemicals (47% of the priority list) have undergone targeted curation, CTD actually contains data for 6801 compounds (Table 1), a13-fold increase due to comprehensive curation of chemicals within articles.
Chemical compounds are surveyed in the article chemical compound, and the elements are described in the article chemical element.
Only products with initial code 5, 6, 7 and 8, according to the SITC, which refer to chemical products, manufactured articles, machinery and equipment of transport and several manufactures, respectively, are taken.
Hence, traditional manual methods of identifying chemical entities in articles and associating them to databases are no longer suffice to meet the needs of researchers, motivating the development of several chemical entity recognition approaches that are based on natural language processing approaches [2, 3].
