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Issue DateTitleAuthor(s)TypeAccess Type
2005Structural description of humic substances from subtropical coastal environments using elemental analysis, FT-IR and C-13-solid state NMR dataSIERRA, Marta M D; GIOVANELA, Marcelo; PARLANTI, E; Esteves, Valdemar I.; Duarte, Armando C.; Fransozo, A.; Soriano-Serra, E. J.articlerestrictedAccess
2009Comparative characterization of humic substances from the open ocean, estuarine water and fresh waterEsteves, Valdemar I.; Otero, Marta; Duarte, Armando C.articlerestrictedAccess
2014Evaluation of the anthropogenic input of caffeine in surface waters of the north and center of portugal by ELISASilva, Carla Patrícia; Lima, Diana L. D.; Schneider, Rudolf J.; Otero, Marta; Esteves, Valdemar I.articlerestrictedAccess
2014Development and application of a capillary electrophoresis method for the determination of ellagic acid in E. globulus wood and in filtrates from E. globulus kraft pulpCosta, Elisabete V.; Lima, Diana L. D.; Evtyugin, Dmitry V.; Esteves, Valdemar I.articlerestrictedAccess
2014Introducing the concept of centergram: a new tool to squeeze data from separation techniques-mass spectrometry couplingsErny, Guillaume L.; Simó, Carolina; Cifuentes, Alejandro; Esteves, Valdemar I.articlerestrictedAccess
2013Development of ELISA methodologies for the direct determination of 17β-estradiol and 17α-ethinylestradiol in complex aqueous matricesSilva, Carla Patrícia; Lima, Diana L. D.; Schneider, Rudolf J.; Otero, Marta; Esteves, Valdemar I.articlerestrictedAccess
2011Application of an ELISA to the quantification of carbamazepine in ground, surface and wastewaters and validation with LC-MS/MSCalisto, Vânia; Bahlmann, Arnold; Schneider, Rudolf J.; Esteves, Valdemar I.articlerestrictedAccess
2007Stable carbon isotope ratios of tandem fractionated humic substances from different water bodiesEsteves, Valdemar I.; Otero, Marta; Santos, Eduarda B. H.; Duarte, Armando C.articlerestrictedAccess
2009Non-native states of cardosin A induced by acetonitrile: Activity modulation via polypeptide chains rearrangementsOliveira, Claudia S.; Sarmento, A. Cristina; Pereira, Anabela; Correia, Isabel; Pessoa, Joao Costa; Esteves, Valdemar I.; Fonseca, Henrique M. A. C.; Pires, Euclides; Barros, Marlene T.articlerestrictedAccess
2007Fluorescence and DOC contents of estuarine pore waters from colonized and non-colonized sediments: Effects of sampling preservationOTERO, M; MENDONCA, A; VALEGA, M; Santos, Eduarda E.B.H.; Pereira, Eduarda; Esteves, Valdemar I.; Duarte, ArmandoarticlerestrictedAccess
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