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1

Polymerization of ethylene using a high-activity Ziegler–Natta catalyst. I. Kinetic studies

Maria M. V. Marques, Clemente Pedro Nunes, Peter J. T. Tait, Alberto Romão Dias

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1993

Language:

english

File:

PDF, 660 KB

english, 1993

2

Evidencing the crude oil corrosion by Raman spectroscopy, atomic force microscopy and electrospray ionization FT-ICR mass spectrometry

Dias, Heloisa P., Dixini, Pedro V., Almeida, Luiz C.P., Vanini, Gabriela, Castro, Eustáquio V.R., Aquije, Glória M.F.V., Gomes, Alexandre O., Moura, Robson R., Lacerda, Valdemar, Vaz, Boniek G., Romão

Journal:

Year:

2015

Language:

english

File:

PDF, 2.84 MB

english, 2015

3

Reply to comment by M. Francisco Pereira et al. on “Geodynamic evolution of the SW Europe Variscides”

Ribeiro, António, Munhá, José, Dias, Rui, Mateus, António, Pereira, Eurico, Ribeiro, Luísa, Fonseca, Paulo, Araújo, Alexandre, Oliveira, Tomás, Romão, José, Chaminé, Hélder, Coke, Carlos, Pedro, Jorge

Journal:

Year:

2009

Language:

english

File:

PDF, 86 KB

english, 2009

4

Geodynamic evolution of the SW Europe Variscides

Ribeiro, António, Munhá, José, Dias, Rui, Mateus, António, Pereira, Eurico, Ribeiro, Luísa, Fonseca, Paulo, Araújo, Alexandre, Oliveira, Tomás, Romão, José, Chaminé, Hélder, Coke, Carlos, Pedro, Jorge

Journal:

Year:

2007

Language:

english

File:

PDF, 1.32 MB

english, 2007

5

Syntheses, electrochemistry, and bonding of bis(cyclopentadienyl)molybdenum alkyl complexes. Molecular structure of Mo(.eta.5-C5H5)2(C4H9)2. Thermochemistry of Mo(.eta.5-C5H5)2R2 and Mo(.eta.5-C5H5)2L (R = CH3, C2H5, C4H9; L = ethylene, diphenylacetylene)

Calhorda, Maria Jose., Carrondo, Maria A. A. F. de C. T., Dias, Alberto R., Galvao, Adelino M., Garcia, M. Helena., Martins, Ana M., Minas da Piedade, Manuel E., Pinheiro, Carla I., Romao, Carlos C.,

Journal:

Organometallics

Year:

1991

Language:

english

File:

PDF, 1.62 MB

english, 1991

6

Catalytic decarboxylation of naphthenic acids in crude oils

Dias, Heloísa P., Gonçalves, Gustavo R., Freitas, Jair C.C., Gomes, Alexandre O., de Castro, Eustáquio V.R., Vaz, Boniek G., Aquije, Glória M.F.V., Romão, Wanderson

Journal:

Year:

2015

Language:

english

File:

PDF, 3.05 MB

english, 2015

7

Determination of Saturates, Aromatics, and Polars in Crude Oil by 13 C NMR and Support Vector Regression with Variable Selection by Genetic Algorithm

Filgueiras, Paulo R., Portela, Natália A., Silva, Samantha R. C., Castro, Eustáquio V. R., Oliveira, Lize M. S. L., Dias, Julio C. M., Neto, Alvaro C., Romão, Wanderson, Poppi, Ronei J.

Journal:

Year:

2016

Language:

english

File:

PDF, 1.24 MB

english, 2016

8

Reviewing the arcuate structures in the Iberian Variscides; constraints and genetical models

Dias, R., Ribeiro, A., Romão, J., Coke, C., Moreira, N.

Journal:

Year:

2016

Language:

english

File:

PDF, 4.14 MB

english, 2016

9

Characterization of naphthenic acids in thermally degraded petroleum by ESI(-)-FT-ICR MS and 1H NMR after solid phase extraction (SPE) and liquid/liquid extraction

Barros, Eliane V., Dias, Heloisa P, Pinto, Fernanda E, Gomes, Alexandre de Oliveira, Moura, Robson R, Cunha Neto, Alvaro, Freitas, Jair C. C., Aquije, Gloria M. F. V., Vaz, Boniek Gontijo, Romão, Wand

Journal:

Year:

2018

Language:

english

File:

PDF, 2.38 MB

english, 2018

10

“Eu posso me ver como sendo dois, três ou mais”: algumas reflexões sobre a subjetividade contemporânea

Romão-Dias, Daniela, Nicolaci-da-Costa, Ana Maria

Journal:

Psicologia Ciência e Profissão

Year:

2005

File:

PDF, 289 KB

2005

11

Corrosion rate studies of AISI 1020 steel using linear, cyclic, and aromatic naphthenic acid standards

Dias, Heloisa P., Barros, Eliane V., Gomes, Alexandre O., Moura, Robson R., Pinto, Fernanda E., Gonçalves, Arlan S., Aquije, Glória M.F. V., Xu, Zhenghe, Romão, Wanderson

Journal:

Journal of Petroleum Science and Engineering

Year:

2020

Language:

english

File:

PDF, 2.95 MB

english, 2020

12

Polymerization of ethylene using metallocene and aluminoxane systems

Justino, Jorge, Dias, A. Romão, Ascenso, José, Marques, Maria M., Tait, Peter J. T.

Journal:

Polymer International

Year:

1997

Language:

english

File:

PDF, 251 KB

english, 1997

13

Study of low catalytic activity systems (biscyclopentadienyl complexes-aluminoxane) on olefin polymerization

Justino, Jorge, Marques, Maria Mercês, Correia, Sandra, Dias, A. Romão, Lemos, Francisco, Ribeiro, F. Ramoa

Journal:

Polymer International

Year:

1997

Language:

english

File:

PDF, 263 KB

english, 1997

14

Polymerization of ethylene using high-activity Ziegler-type catalysts: Active center determination

Maria Mercês Marques, Peter J. T. Tait, Jirí Mejzlík, Alberto Romão Dias

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1998

Language:

english

File:

PDF, 230 KB

english, 1998

15

Synthesis, Characterisation of (Arene)tricarbonylchromium Complexes Linked to Cationic Fe and Ru Derivatives and Studies of First Hyperpolarisabilities by Hyper-Rayleigh Scattering

Maria Helena Garcia, Sophie Royer, Maria Paula Robalo, Alberto Romão Dias, Jean-Philippe Tranchier, René Chavignon, Damien Prim, Audrey Auffrant, Françoise Rose-Munch, Eric Rose, Jacqueline Vaisserman

Journal:

European Journal of Inorganic Chemistry

Year:

2003

Language:

english

File:

PDF, 201 KB

english, 2003

16

Synthesis, Characterisation and Molecular Hyperpolarisabilities of Pseudo-Octahedral Hydrido(nitrile)iron(II) Complexes for Nonlinear Optics: X-ray Structure of [Fe(H)(dppe)2(4-NCC6H4NO2)][PF6]·CH2Cl2

Maria Paula Robalo, António P. S. Teixeira, Maria Helena Garcia, M. Fátima Minas da Piedade, M. Teresa Duarte, Alberto Romão Dias, Jochen Campo, Wim Wenseleers, Etienne Goovaerts

Journal:

European Journal of Inorganic Chemistry

Year:

2006

Language:

english

File:

PDF, 256 KB

english, 2006

17

Cationic η3-allylmetal complexes, 12. Oligomerization of styrene with cationic allylnickel compounds: Catalysts, products and the influence of phosphines

José Ascenso, Alberto R. Dias, Pedro T. Gomes, Carlos C. Romão, Denis Neibecker, Igor Tkatchenko, André Revillon

Journal:

Macromolecular Chemistry and Physics

Year:

1989

Language:

english

File:

PDF, 622 KB

english, 1989

18

Nitrile complexes of dicyclopentadienyl-molybdenum and -tungsten: preparation and reactivity. The structure of di-η5-cyclopentadienyliodoacetonitrile-molybdenum(IV) hexafluorophosphate, [Mo(η5-C5H5)2I(NCCH3)][PF6]

M.J. Calhorda, M.A.A.F. de C.T. Carrondo, A.R. Dias, A.M.T. Domingos, M.T.L.S. Duarte, M.H. Garcia, C.C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1987

Language:

english

File:

PDF, 1.16 MB

english, 1987

19

Molecular structure, bonding, and reactions of Mo(η5-C5H5)2 derivatives containing phosphorus ligands. Crystal structures of [Mo(η5-C5H5)2H(PPh3)]I · 12H2O and [Mo(η5-C5H5)2(CH3)(PPh3)][PF6]

C.G. Azevedo, M.J. Calhorda, M.A.A.F. de C.T. Carrondo, A.R. Dias, V. Félix, C.C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1990

Language:

english

File:

PDF, 1.01 MB

english, 1990

20

Methylisocyanide derivatives of molybdenocene and tungstenocene: preparation, reactivity and electronic structure: crystal structures of [(η5-C5H5)2WBr(CNMe)]Br and [(η5-C5H5)2MoC{N(H)CH3}N(H)C{N(H)CH3}][BF4]2· CH3CN

Maria J. Calhorda, Alberto R. Dias, M.Teresa Duarte, Ana M. Martins, Pedro M. Matias, Carlos C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1992

Language:

english

File:

PDF, 1.75 MB

english, 1992

21

Studies on molybdenocene derivatives: Reactions of [Cp2Mo(η2-NCMe)] and preparation of alkyl hydride complexes. Crystal structure of [Cp2Mo(PMe3)]

Cristina G. de Azevedo, M.Arménia A.F. de C.T. Carrondo, Alberto R. Dias, Ana M. Martins, M.Fátima M. Piedade, Carlos C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 683 KB

english, 1993

22

Isocyanide derivatives of tungstenocene

Alexander C. Filippou, Alberto R. Dias, Ana M. Martins, Carlos C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 667 KB

english, 1993

23

Nuclear magnetic resonance studies of sulfur inversion in bis(cyclopentadienyl)-molybdenum and -tungsten complexes with dithioethers

José R. Ascenso, Maria de Deus Carvalho, Alberto R. Dias, Carlos C. Romão, Maria J. Calhorda, Luis F. Veiros

Journal:

Journal of Organometallic Chemistry

Year:

1994

Language:

english

File:

PDF, 542 KB

english, 1994

24

Development of a method to determine Ni and Cd in biodiesel by graphite furnace atomic absorption spectrometry

Fabiana A. Lobo, Danielle Goveia, Adriana P. Oliveira, Luciane P.C. Romão, Leonardo F. Fraceto, Newton L. Dias Filho, André H. Rosa

Journal:

Year:

2011

Language:

english

File:

PDF, 198 KB

english, 2011

25

Family 42 carbohydrate-binding modules display multiple arabinoxylan-binding interfaces presenting different ligand affinities

Teresa Ribeiro, Teresa Santos-Silva, Victor D. Alves, Fernando M.V. Dias, Ana S. Luís, José A.M. Prates, Luís M.A. Ferreira, Maria J. Romão, Carlos M.G.A Fontes

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2010

Language:

english

File:

PDF, 1.46 MB

english, 2010

26

Compromise between conjugation length and charge-transfer in nonlinear optical η5-monocyclopentadienyliron(II) complexes with substituted oligo-thiophene nitrile ligands: Synthesis, electrochemical studies and first hyperpolarizabilities

M. Helena Garcia, Paulo J. Mendes, M. Paula Robalo, A. Romão Dias, Jochen Campo, Wim Wenseleers, Etienne Goovaerts

Journal:

Journal of Organometallic Chemistry

Year:

2007

Language:

english

File:

PDF, 308 KB

english, 2007

27

Molybdenum(VI) oxides bearing 1,4,7-triazacyclononane and 1,1,1-tris(aminomethyl)ethane ligands: Synthesis and catalytic applications

Željko Petrovski, Anabela A. Valente, Martyn Pillinger, Ana S. Dias, Sandra S. Rodrigues, Carlos C. Romão, Isabel S. Gonçalves

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2006

Language:

english

File:

PDF, 152 KB

english, 2006

28

Influence of alkaline extraction on the characteristics of humic substances in Brazilian soils

André Henrique Rosa, Luciana Camargo de Oliveira, Iramaia Corrêa Bellin, Julio Cesar Rocha, Luciane Pimenta Cruz Romão, Newton Luiz Dias Filho

Journal:

Thermochimica Acta

Year:

2005

Language:

english

File:

PDF, 134 KB

english, 2005

29

Nucleophilic attack on bent molybdenum and tungsten metallocene complexes

Alberto R. Dias, Carlos C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1982

Language:

english

File:

PDF, 699 KB

english, 1982

30

New molybdenocene dihydrocarbyls

A.R. Dias, M.H. Garcia, A.M. Martins, C.I. Pinheiro, C.C. Romão, L.F. Veiros

Journal:

Journal of Organometallic Chemistry

Year:

1987

Language:

english

File:

PDF, 266 KB

english, 1987

31

Synthesis, bonding and dynamic behavior of fac-[Mo(II)(CO)2(η3-allyl)] derivatives

J.R Ascenso, C.G de Azevedo, M.J Calhorda, M.A.A.F de C.T. Carrondo, P Costa, A.R Dias, M.G.B Drew, V Félix, A.M Galvão, C.C Romão

Journal:

Journal of Organometallic Chemistry

Year:

2001

Language:

english

File:

PDF, 445 KB

english, 2001

32

Second harmonic generation of η5-monocyclopentadienyl ruthenium p-benzonitrile derivatives by Kurtz powder technique. Crystal and molecular structure determinations of [Ru(η5-C5H5)((+)-DIOP)(p-NCC6H4NO2)][X], X=PF6−, CF3SO3− and [Ru(η5-C5H5)((+)-DIOP)(NCCH3)][PF6]

M. Helena Garcia, João C. Rodrigues, A. Romão Dias, M.Fátima M. Piedade, M. Teresa Duarte, M. Paula Robalo, Nelson Lopes

Journal:

Journal of Organometallic Chemistry

Year:

2001

Language:

english

File:

PDF, 270 KB

english, 2001

33

Nucleophilic and electrophilic reactions of C5 cyclo-polyenes coordinated to the [CpMoL2]n+ fragment (n = 1,2; L = 1/2dppe, PMe3, P(OMe)3, CO)

Cristina G. de Azevedo, Maria J. Calhorda, M.A.A.F. de C.T. Carrondo, Alberto R. Dias, M. Teresa Duarte, Adelino M. Galvão, Carla A. Gamelas, Isabel S. Gonçalves, Fátima M. da Piedade, Carlos C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1997

Language:

english

File:

PDF, 1.81 MB

english, 1997

34

Synthesis and characterisation of Ti, Cr, Mo and W bis(fluorene) complexes

F.G.N. Cloke, Alberto Romão Dias, Adelino M. Galvão, João L. Ferreira da Silva

Journal:

Journal of Organometallic Chemistry

Year:

1997

Language:

english

File:

PDF, 584 KB

english, 1997

35

Some new cyano and isonitrile complexes of Mo(η5-C5H5)2

M.J. Calhorda, A.R. Dias, A.M. Martins, C.C. Romão

Journal:

Year:

1989

Language:

english

File:

PDF, 154 KB

english, 1989

36

Cationic benzyl nickel complexes as homogeneous catalysts for styrene oligomerization. X-ray crystal structure of [Ni(η3-CH2C6H5)(PPh3)2]PF6 · CH2CI2

José R. Ascenso, Maria A.A.F. de C.T. Carrondo, Alberto R. Dias, Pedro T. Gomes, M. Fátima, M. Piedade, Carlos C. Romao, André Revillon, Igor Tkatchenko

Journal:

Year:

1989

Language:

english

File:

PDF, 584 KB

english, 1989

37

Polymerization of ethylene using a high-activity Ziegler–Natta catalyst. II. Molecular weight regulation

Maria M. V. Marques, Clemente Pedro Nunes, Peter J. T. Tait, Alberto Romão Dias

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1993

Language:

english

File:

PDF, 379 KB

english, 1993

38

Crystallization and preliminary X-ray diffraction studies of aSFP, a bovine seminal plasma protein with a single CUB domain architecture

Joao M. Dias, Ana L. Carvalho, Ingo Kolln, Juan J. Calvete, Edda Topfer-Petersen, Paloma F. Varela, Antonio Romero, Claus Urbanke, Maria J. Romao

Journal:

Protein Science

Year:

1997

Language:

english

File:

PDF, 347 KB

english, 1997

39

In situ application of a cellulose bag and an ion exchanger for differentiation of labile and inert metal species in aquatic systems

Danielle Goveia, André Henrique Rosa, Iramaia Corrêa Bellin, Fabiana Aparecida Lobo, Leonardo Fernandes Fraceto, José Arnaldo Frutuoso Roveda, Luciane Pimenta Cruz Romão, Newton Luiz Dias Filho

Journal:

Analytical and Bioanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 191 KB

english, 2008

40

Structure refinement of the aldehyde oxidoreductase fromDesulfovibriogigas(MOP) at 1.28

J. Rebelo, J. Dias, R. Huber, J. Moura, M. Romão

Journal:

JBIC Journal of Biological Inorganic Chemistry

Year:

2001

Language:

english

File:

PDF, 425 KB

english, 2001

41

Early modification of sickle cell disease clinical course by UDP-glucuronosyltransferase 1A1 gene promoter polymorphism

Rute Martins, Anabela Morais, Alexandra Dias, Isabel Soares, Cristiana Rolão, J. L. Ducla-Soares, Lígia Braga, Teresa Seixas, Baltazar Nunes, Gabriel Olim, Luísa Romão, João Lavinha, Paula Faustino

Journal:

Journal of Human Genetics

Year:

2008

Language:

english

File:

PDF, 161 KB

english, 2008

42

Studies on the reactivity of the halo-hydride complexes [M(η5-C5H5)2HX] (M = Mo, W; X = Cl, Br, I)

C.G. De Azevedo, A.R. Dias, A.M. Martins, C.C. Romão

Journal:

Journal of Organometallic Chemistry

Year:

1989

Language:

english

File:

PDF, 650 KB

english, 1989

43

Synthesis and electrochemical studies of organometallic cobalt(III) complexes with substituted benzonitrile chromophores: NMR spectroscopic data as a probe on the second-order non-linear optical properties

M. Helena Garcia, Paulo J. Mendes, A. Romão Dias

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 208 KB

english, 2005

44

The crystal structures of two spermadhesins reveal the CUB domain fold

Romero, Antonio, Romão, Maria J., Varela, Paloma F., Kölln, Ingo, Dias, João M., Carvalho, Ana L., Sanz, Libia, Töpfer-Petersen, Edda, Calvete, Juan J.

Journal:

Natural Structural Biology

Year:

1997

File:

PDF, 885 KB

1997

45

Interactions of Omeprazole and Precursors withbeta-Cyclodextrin Host Molecules

Susana S. Braga, Paulo Ribeiro-Claro, Martyn Pillinger, Isabel S. Gonçalves, Ana C. Fernandes, Florbela Pereira, Carlos C. Romão, Pedro Brito Correia, José J. C. Teixeira-Dias

Journal:

Journal of Inclusion Phenomena and Macrocyclic Chemistry

Year:

2003

Language:

english

File:

PDF, 135 KB

english, 2003

46

ANTS—Augmented Environments

Teresa Romão, Nuno Correia, Eduardo Dias, José Danado, Adelaide Trabuco, Carlos Santos, Rossana Santos, António Câmara, Edmundo Nobre

Journal:

Computers & Graphics

Year:

2004

Language:

english

File:

PDF, 622 KB

english, 2004

47

Structural Basis for the Mechanism of Ca2+ Activation of the Di-Heme Cytochrome c Peroxidase from Pseudomonas nautica 617

João M. Dias, Teresa Alves, Cecı́lia Bonifácio, Alice S. Pereira, José Trincão, Dominique Bourgeois, Isabel Moura, Maria João Romão

Journal:

Year:

2004

Language:

english

File:

PDF, 535 KB

english, 2004

48

Gene Sequence and the 1.8 Å Crystal Structure of the Tungsten-Containing Formate Dehydrogenase from Desulfovibrio gigas

Hans Raaijmakers, Sofia Macieira, João M Dias, Susana Teixeira, Sergey Bursakov, Robert Huber, José J.G Moura, Isabel Moura, Maria J Romão

Journal:

Year:

2002

Language:

english

File:

PDF, 971 KB

english, 2002

49

Crystal structure of the first dissimilatory nitrate reductase at 1.9 Å solved by MAD methods

João M Dias, Manuel E Than, Andreas Humm, Robert Huber, Gleb P Bourenkov, Hans D Bartunik, Sergey Bursakov, Juan Calvete, Jorge Caldeira, Carla Carneiro, José JG Moura, Isabel Moura, Maria J Romão

Journal:

Year:

1999

Language:

english

File:

PDF, 1.22 MB

english, 1999

50

Crystal structure of acidic seminal fluid protein (aSFP) at 1.9 Å resolution: a bovine polypeptide of the spermadhesin family

Maria J Romão, Ingo Kölln, João M Dias, Ana L Carvalho, Antonio Romero, Paloma F Varela, Libia Sanz, Edda Töpfer-Petersen, Juan J Calvete

Journal:

Journal of Molecular Biology

Year:

1997

Language:

english

File:

PDF, 1.97 MB

english, 1997