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Biomass allometry and carbon factors for a Mediterranean pine (Pinus pinea L.) ...
Correia, A.A.; Tomé, Margarida; Pacheco, C.A.; Faias, S.; Dias, A.C.; Freire, J.; Carvalho, P.O.; Pereira, J.S.Forests play an important role in the global carbon balance because they offset a large portion of the carbon dioxide emitted through human activities. Accurate estimates are necessary for national reporting of greenhouse gas inventories, carbon credit trading and forest carbon management but in Portugal reliable and accessible forest carbon measurement methodologies are still lacking for some species. The obje...
Review- Alternatives for the separation of drug enantiomers: ibuprofen as a mod...
Carvalho,P. O.; Cass,Q. B.; Calafatti,S. A.; Contesini,F. J.; Bizaco,R.Given the inherent dangers associated with racemic pharmaceuticals, exhaustive studies of techniques designed to separate enantiomers have been conducted. This paper reports a brief review of the different physical, chemical, and enzymatic methods used for the enantiomeric separation of rac-ibuprofen. The possible contribution of each technique to the preparation of enantiomerically pure drugs is reviewed in th...
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