Research Group: ANALYTICAL CHEMISTRY
Principal Investigator: Alberto Nova Araújo
Objectives:
The main objective of the group, in accordance to international trends in Analytical Chemistry, is to search and develop new technologies that provide robust and readily accessible chemical information, in parallel with the development of clean methodologies of analysis
Based on their expertise, the analytical chemistry group activities support transversally the other main areas of REQUIMTE, while pursuing some autonomous lines of research to create new analytical knowledge and understanding. The major objectives for the reporting period were:
- to characterize and extend the use of new tools, namely ultrasonic devices and microwave assisted extraction in analytical sample treatment on frontier areas of research such as elemental speciation, proteomics and pesticide traceability.
- to propose new continuous flow concepts and coupled sensors to integrate all analytical protocol steps in self-contained analysis modules.
- to assess heavy metal complexation proprieties of Good´s organic pH buffers increasingly used in biological/biochemical studies and in environmental speciation studies; to extend the studies to new biodegradable green complexones.
- to improve quality in Portuguese brewing industry, by evidencing nutraceutical properties of beers and clarifying the influence of starting raw materials and industrial processes on them; to characterize the impact of technological factors of the malting and brewing processes in the preservation of organoleptic properties of beers.
- to devise clean processes to remove and recycle heavy metals from anthropogenic activities.
Selected Publications:
M. Magalhães; M. A. Segunda; S.Reis; J. L.F.C. Lima; J. M. Estela, V. Cerdà, Automatic in vitro determination of hypochlorous acid scavenging capacity exploiting multisyringe flow injection analysis and chemiluminescence, Analytical Chemistry, 79, 3933 (2007). (IF= 5,287 ); (nº C=1)
P. J. Magalhães, L. F. Guido, J.M. Cruz, A. A. Barros. Analysis of xanthohumol and isoxanthohumol in different hop products by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry, Journal of Chromatography. A, 1150, 295 (2007). (IF=3,641 ); (nº C=1)
D. Lopez-Ferrer, J.L. Capelo, J. Vazquez. Ultra fast trypsin digestion of proteins by high intensity focused ultrasound. Journal of Proteome Research, 4 (5), 1569 (2005). (IF=6,901); (nº C=15)
J. L.F.C. Lima; J. L. M. Santos; A. C.B. Dias; M.F.T. Ribeiro; E. A.G. Zagatto, Multi-pumping flow systems: an automation tool, Talanta, 64, 1091 (2004). (IF= 2,534 ); (nº C=40 )
J.L. Capelo. Ximénez-Embún, Y. Madrid-Albarrán, C. Cámara, Enzymatic Probe Sonication: Enhancement of Protease-Catalyzed Hydrolysis of Selenium Bound to Proteins in Yeast, Analytical Chemistry, 76 (1), 233 (2004). (IF= 5,450 ); (nº C= 41)
A.M. Pimenta, A. N. Araújo, M.Conceição B.S.M. Montenegro, Simultaneous potentiometric and flurimetric determination of diclofenac in a sequencial injection analysis system, Anal. Chim. Acta, 470, 185 (2002). (IF= 2,114 ); (nº C=22)
C.M. Machado, I.Cukrowski and H.M.V.M. Soares, Challenges in modeling and optimization of stability constants in the study of metal complexes with monoprotonated ligands- part II- A glass-electrode Potentiometric and polarographic study of the copper (II)/2-hydroxy-3-[(2-hydroxy-1,1-dimethylethyl) amino] propane-1-sulfonic acid (AMPSO)/ hydroxyl system, Helvetica Chimica Acta 86, 3288-3304 (2003). (IF= 1,881 ); (nº C=7)
P. Herbert, S. Morais, P. Paíga, A. Alves, L. Santos, Development and validation of a novel method for the analysis of chlorinated pesticides in soils using microwave-assisted extraction–headspace solid phase microextraction and gas chromatography–tandem mass spectrometry, Anal. Bioanal. Chem. 384 (3) (2006) 810-816. (IF= 2,591); (nº C=10)
P. J. Magalhães, L. F. Guido, J. M. Cruz, A. A. Barros, Analysis of xanthohumol and isoxanthohumol in different hop products by liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry, Journal of Chromatography A, 1150, 295-301 (2007). (IF=3,841); (nº C=1)
L. M. Magalhães; M. A. Segundo; S. Reis; J. L.F.C. Lima; J. M.Estela and V. Cerdà, Automatic in vitro determination of hypochlorous acid scavenging capacity exploiting multisyringe flow injection analysis and chemiluminescence, Analalytical Chemistry, 79, 3933 (2007). (IF=5,287); (nº C=1)
GROUP STAFF
José Luis Fontes da Costa Lima, Full Professor
Maria da Conceição B. S. M. Montenegro, Full Professor
Alberto Nova Araújo, Associate Prof. with "Agregação"
Aquiles José Ferreira de Araújo Barros, Associate Prof. with "Agregação"
Rui Alexandre Santos Lapa, Associate Prof. with "Agregação"
António José Mira da Fonseca, Associate Professor
Adriana Martins Pimenta, Assistant Professor
Agostinho Almiro Almeida, Assistant Professor
Ana Rita Jordão Bentes Cabrita, Assistant Professor
Cristina Maria Cavadas Morais do Couto, Assistant Professor
Elvira Maria Mendes Sardão Monteiro Gaspar, Assistant Professor
Emilia Maria Gonçalves Santos, Assistant Professor
Helena Susana da Costa Machado Ferreira, Assistant Professor
Ivone Valente Oliveira Silva Pinto , Assistant Professor
João Luís Machado Santos, Assistant Professor
José António Maia Rodrigues, Assistant Professor
Luís Guilherme de Lima Ferreira Guido, Assistant Professor
Marco Diogo Richter Gomes da Silva, Assistant Professor
Maria Beatriz V. N. Q. Guerra Junqueiro, Assistant Professor
Maria Fernanda Carvalho Leal, Assistant Professor
Maria Gabriela Teles Cepeda Ribeiro, Assistant Professor
Maria Lúcia M. F. Sousa Saraiva, Assistant Professor
Paula Cristina de Almeida Jerónimo, Assistant Professor
Paulo Joaquim Ferreira de Almeida, Assistant Professor
Rita Isabel Lemos Catarino da Silva, Assistant Professor
Cristina Maria F. Delerue Alvim de Matos, Coordinator Professor
Maria do Carmo Veiga Fernandes Vaz, Coordinator Professor
Maria Teresa Pereira de Oliva Teles Moreira, Adjunct Professor
Maria Manuela Barbosa Correia, Leveled to Adjunct Professor
Simone Barreira Morais, Leveled to Adjunct Professor
Valentina Maria Fernandes Domingues, Leveled to Adjunct Professor
Adriano Fachini, Assistant Researcher
João Pedro Martins de Almeida Lopes, Assistant Researcher
Júlia Maria de Coelho dos Santos Magalhães, Assistant Researcher
Rui José Branquinho de Bessa, Assistant Researcher
Paula Celeste Baptista Paíga, Technician
João Alexandre Velho Prior, Assistant
José Tomás Veiga Soares de Albergaria, Work Supervisor
Marcela Alves Segundo, Assistant
Maria Aurora Soares da Silva, Work Supervisor
Maria Isabel Viana de Brito Limpo de Serra, Work Supervisor
Paula Cristina de Azevedo Gomes Pinto, Assistant
Sérgio Alberto Cruz Monteiro de Morais, Work Supervisor
Hendrikus Petrus Antonius Nouws, Leveled to Assistant
Karine Lopes Marques, Pos-Doc
Ana Rita Gonçalves da Cruz Ramos Pires, Ph. D Student
André Ricardo Tomás dos Santos Araújo, Ph. D Student
Andreia Filipa da Silva Curto, Ph. D Student
Carla Patrícia da Silva Coutinho, Ph. D Student
Cristina Isabel da Cunha Silvestre, Ph. D Student
David Sérgio de Moura Ribeiro, Ph. D Student
Díonisia Maria Oliveira Castro, Ph. D Student
Eunice Raquel Geraldes de Oliveira Rodrigues, Ph. D Student
Gonçalo Jorge Dias do Vale, Ph. D Student
Hugo Miguel Baptista Carreira dos Santos, Ph. D Student
Hugo Miguel Rodrigues Cunha Oliveira, Ph. D Student
Joana Patrícia Niz Ribeiro, Ph. D Student
João Filipe Alberto Lopes, Ph. D Student
João Paulo Grosso Pacheco, Ph. D Student
Luis Miguel Andrade de Magalhães, Ph. D Student
Mafalda Sofia Coelho da Cruz Sarraguça, Ph. D Student
Marco André Miranda Galésio, Ph. D Student
Margarida Rosa Garcez Maia, Ph. D Student
Marieta Leite de Castro Passos, Ph. D Student
Paulo Jorge Coimbra Rodrigues Magalhães, Ph. D Student
Pedro Manuel da Fonseca Antunes, Ph. D Student
Ricardo Jorge da Silva Carreira, Ph. D Student
Sofia Alexandra Lopes da Piedade Gomes, Ph. D Student
João Rodrigo da Silva Santos, PhD Student / 2nd Class Superior Technitian
Claúdia do Vale Moreira Soares, M. Sc Student
Eliana Sousa da Silva, M. Sc Student
Inês Maria Afonso Valente, M. Sc Student
José Alberto Ferreira, M. Sc Student
Jose Carlos Coelho Santana, M. Sc Student
Lúcia Helena Moreira Lírio Matias dos Santos, M. Sc Student
Marta Maria Pereira da Silva Neves, Msc Student
Patrícia Carla Rocha Montenegro, M. Sc Student
Pedro Manuel da Rocha Coelho, M. Sc Student
Ricardo Costa Barata, M. Sc Student
Sara Raquel Rato Pires, M. Sc Student
Ines Santos Nunes, Research Grant
Maria Isabel Afonso da Rocha, Assessor
