1-Antonio Souza de Araujo (Departamento de Química, Universidade Federal do Rio Grande do Norte, Natal, RN) colaborou e publicou com:

       Mietek Jaroniec (Laboratory of Surface Science and Separation Tecnology, Kent State University, Department of Chemistry, USA):

   Antonio S. Araujo and M. Jaroniec, Synthesis of Lanthanide Incorporated MCM-41 Materials, Journal of Colloid and Interface Science, 218:(2) (1999) 462-467.

2- Celio L. Cavalvante Jr. (Departamento de Engenharia Química, Universidade Federal do Ceará ,Fortaleza, CE) colaborou e publicou com:

   Douglas M. Ruthven (Department of Chemical Engineering, University of Maine, Orono, USA):

Celio L. Cavalcante Jr., D.M. Ruthven, Adsorption of Branched and Cyclic Paraffins in Silicalite. II. Kinetics, Ind. Eng. Chem. Res., 34, 185-191, (1995).

Celio L. Cavalcante Jr., M. Eic, D.M. Ruthven, M.L. Occelli, Diffusion of n-paraffins in Offretite-Erionite Type Zeolites, Zeolites, 15, 293-307, (1995).

Celio L. Cavalcante Jr., S. Brandani, D.M. Ruthven, Evaluation of the Main Diffusion Path in Zeolites from ZLC Desorption Curves, Zeolites, 18, 282-285, (1997).

3-Claudio José A. Mota (Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ) colaborou e publicou com:

   a) Alejandro Ramirez (Facultad de Ciencias, Universidad del Estado de Morelos, Mexico):

P.M. Esteves, Claudio J.A. Mota, A. Ramirez-Solís, R. Hernandez-Lamoneda, The Potential Energy Surface of C₃H₉⁺ Ions. The Protonated Propane,  J. Am. Chem. Soc. (1998), 120, 3213-3219.

P.M. Esteves, Claudio J.A. Mota, A. Ramirez-Solís, R. Hernandez-Lamoneda, Mechanism of Superacid Catalyzed Alkane Activation: Theoretical ab initio Studies of Pentacoordinated Carbonium Ion Rearrangement, Topics in Catalysis (1998), 6, 163-168.

P.M. Esteves, Gabriel G.P. Alberto, A. Ramirez-Solís, Claudio J.A. Mota, The Alkane sigma-Bond Basicity Scale Revisited,  J. Am. Chem. Soc. (1999), 121, 7345-7348.

   b) Alicia Jubert (Facultad de Ciencias, Universidad Nacional de La Plata, Argentina) colaborou e publicou com:

N. Okulik, N.M. Peruchena, P.M. Esteves, Claudio J. A. Mota, A. Jubert, Ab Initio Topological Analysis of the Electronic Density in Isobutonium Cations, J. Phys. Chem. A (1999), 103.

   c) Jean Sommer (Laboratoire de Physique-Chemie, Université Louis Pasteur, Strasbourg, France):

Claudio J.A. Mota, J. Sommer, M. Hachoumy, R. Jost, Regioselectivity in Hydrocarbon Activation on Zeolite Y. Stereochemistry of H-D Exchange, J. Catal. (1997), 172, 194-202.

A. Goeppert, A. Sassi, J. Sommer, P. M. Esteves, Claudio J. A. Mota, A. Karlsson, P. Ahlberg, Protonation of Small Alkanes in Liquid Superacids: Absence of Intramolecular ¹³C and ²H Scrambling in Propane and Isobutane, J. Am. Chem. Soc. (1999), 121, 0000.

A. Sassi, A. Goeppert, J. Sommer, P. M. Esteves, Claudio J. A. Mota, Synthesis of deuterium labeled isobutane :isobutane-2-d, isobutane-1-d9 and isobutane-d10, Journal of Labeled Compounds and Radiochemistry (1999).

4-Dilson Cardoso (Departamento de Engenharia Química, Universidade Federal de São Carlos, São Carlos, SP) colaborou e publicou com:

   a) Michel Guisnet (Laboratoire de Catalyse en Chimie Organique, Université de Poitiers, Poitiers, France):

E. Vitor Sobrinho, Eduardo F. Souza-Aguiar, Dilson Cardoso, M. Guisnet, F. Jayat, Acylation of Phenol With Acetic Acid Over Beta Zeolite, Proceedings of the 12^th International Zeolite Conference, Material Research Society, 2463-2470, Baltimore, (1998).

   b) Joaquín P. Pariente (Instituto de Catálisis y Petroquímica, Madrid, España):

M.M. Urbina, Dilson Cardoso, J. Pérez-Pariente, E. Sastre, T. Blasco, V. Fornés, Characterization and Catalytic Evaluation of SAPO-5 Synthesized in Aqueous and two-liquid Phase Medium in Presence of a Cationic Surfactant, Journal of Catalysis, 173, 501-510, (1998).

M.V. Giotto, M. S. Machado, S.P.O. Rios, J. Pérez-Pariente, Dilson Cardoso, ³¹P and ²⁷Al MAS NMR of MAPO-36 and MAPO-5 with High Mg Content, Proceedings of the 12^th International Zeolite Conference, Material Research Society, 2481-2488, Baltimore, (1998).

M.S. Machado, Dilson Cardoso, J. Pérez-Pariente, E. Sastre, Synthesis and Characterization of AlPO₄-36 and MAPO-36 with Different Magnesium Content, Chem. Mater, 1999 (in print).

5-Elena V. Gusevskaya (Universidade Federal de Minas Gerais, Belo Horizonte, MG) colaborou e publicou com:

   Vladimir Likholobov (Laboratory of Metal Complex Catalysis, Boreskov Institute of Catalysis, Novossibirsk, Russia):

Elena V. Gusevskaya, V.A. Likholobov, A.V. Karandin, A.I. Boronin, E.M. Moroz, Heterogeneous palladium catalysts for the oxidation of propylene to propylene glycol acetates: effect of platinum and rhodium as promoters, Studies in Surface Science and Catalysis 101(B), 1125-1133 (1996).

I.E. Beck, E.V. Gusevskaya, A.V. Golovin, V.A. Likholobov, Nitro and nitrate-palladium complexes in oxidation processes: NMR and IR study on the mechanism of propylene oxidation in chloroform solution, Journal of Molecular Catalysis, submitted, (1999).

6-Ernesto A.U. Gonzalez (Departamento de Eng. Química, Universidade Federal de São Carlos, São Carlos, SP) colaborou e publicou com:

   Arturo Montes (Instituto Universitário de Tecnología, Caracas, Venezuela):

A. Montes, E. Cosenza, G. Giannetto, Ernesto Urquieta, R.A. Melo, M.S. Gnep, M. Guisnet, Thermal Decomposition of Surfactant Occluded in Mesoporous MCM-41 Type Solids, In Mesoporous Molecular Sieves 1998, L. Bonneviot, F. Béland, C. Danumah, S. Giasson, S. Kaliaguine (editors), Stud. Surf. Sci. Catal, 117, p. 237-242, Elsevier, Amsterdam, (1998).

7- João Henrique Z. Santos   (Universidade Federal do Rio Grande do Sul, Porto Alegre, RS) colaborou e publicou com:

   Carlos E. Gígola (PLAPIQUI, Universidad Nacional del Sur, Bahía Blanca, Argentina):

I.M. Baibich, João H.Z. Santos, C.E. Gigola, Photogenerated metalcarbonyls species on alumina and Pd-alumina surfaces, 43^rd International Conference on Analytical Sciences and Spectroscopy, (1997).

I.M. Baibich, João H.Z. Santos, V.C. Silveira, C.E. Gigola, A.M. Sica, Photogenerated Metalcarbonyl species on Alumina and Pd-Alumina Surfaces, I. M., Can. J. Anal. Sci. And Spec., 26 (1998).

A.M. Sica, João H.Z. Santos, I.M. Baibich, C.E. Gigola, Preparation and Characterization of W/g-Al₂O₃ and Pd,W/g ,Al₂O₃ Catalysts from Organometallic Precursors, The Catalytic Activity for NO Decomposition, J. Mol. Catal A : Chemical, 287 (1999).

8-José Luiz F. Monteiro (Universidade Federal do Rio de Janairo, Rio de Janairo, RJ) colaborou e publicou com:

   a) Michel Guisnet  (Laboratoire de Catalyse en Chimie Organique, Université de Poitiers, Poitiers, France):

C.A. Henriques, J.C. Afonso, P. Magnoux, M. Guisnet, José L.F. Monteiro, Temperature Effects on Deactivation Rate and on Nature of Coke Formed from Propene over Mordenites, in: Progress in Zeolites and Microporous Materials, Chon, H., Ihm, K., Uh, Y. S. (Eds.), Stud. Surf Sci. Catal., 105 Part B, 933-940, (1997).

C.A. Henriques, A.M.P. Bentes Jr., P. Magnoux, M. Guisnet, José L.F. Monteiro, Characterization of the Coke Formed from o-Xylene over Mordenites at Different Pressures under N₂ and H₂, Applied Catalysis, 166(2), 301-309, (1998).

C.A. Henriques, José L.F. Monteiro, P. Magnoux, M. Guisnet, Characterization of the Coke Formed During o-Xylene Isomerization over Mordenites at Various Temperatures, Journal of Catalysis, 177 (2), 436-445, (1997).

   b) Avelino Corma (Instituto de Tecnología Química, Universidad Politecnica de Valencia, Valencia, España):

A. Corma, A. Martínez, Lindoval D. Fernandes, José L.F. Monteiro, Eduardo F. Souza-Aguiar, Short Chain Paraffins Isomerization on Pt/Beta Catalysts. Influence of Framework and Extraframework Composition, Catalysis by Microporous Materials, (Studies in Surface Science and Catalysis 94), Beyer, H.K., Karge, H.G. & Nagy, J.B. (Eds.), Elsevier , 456-463 (1995).

A. Corma, A. Martinez, P.A. Arroyo, José L.F. Monteiro, Eduardo F. Sousa-Aguiar, Isobutane/2-Butene Alkylation on Zeolite Beta: Influence of Post-Synthesis Treatments, Appl. Cat. A, 142(1):139-150,(1996)

Lindoval D. Fernandes, José L.F. Monteiro, Eduardo F. Souza-Aguiar, A. Martinez, A. Corma, Ethylbenzene Hydroisomerization over Bifunctional Zeolite Based Catalysts. Influence of framework and Extraframework Composition and Zeolite Structure, Journal of Catalysis, 177:363-377, (1998).

9-José Luiz Zotin (Cenpes-Petrobrás, Rio de Janeiro, RJ) colaborou e publicou com:

   a) Michèle Breysse (Institut de Recherches sur la Catalyse, Villeurbanne, France):

José L. Zotin, M. Cattenot, J.L. Portefaix, M. Breysse, Conversion of nitrogen containing molecules in the presence of a mixture of nickel molybdenum supported on alumina and ruthenium sulfide dispersed in a KY zeolite, Bull. Soc. Chim. Belg., 104,213-218 (1995).

V. Kougionas, M. Cattenot, José L. Zotin, J.L. Portefaix, M. Breysse, Enhancement of the catalytic properties of NiMo, CoMo alumina supported sulfide catalysts by addition of Ru sulfide dispersed in Y zeolites, Applied Catalysis, 124: 153,164 (1995).

M. Breysse, M. Cattenot, V. Kougionas, J.C. Lavalley, F. Maugé, J.L. Portefaix, José L. Zotin, Hydrogenation Properties of Ruthenium Sulfide Clusters in Acidic Zeolites, J. Catalysis, 168: 143,153 (1997).

   b) Christophe Geantet (Institut de Recherches sur la Catalyse, Villeurbanne, France):

B. Moraweck, G. Bergeret, M. Cattenot, V. Kougionas, C. Geantet, J.L. Portefaix, José L. Zotin, M. Breysse, The Nature of Ruthenium Sulfide Clusters Encaged in a Y Zeolite, J. Catalysis, 165: 45,56 (1997).

M. Breysse, C. Geantet, M. Lacroix, José L. Zotin, Characterization of active sites on a molecular level and reactivity of ruthenium sulfide catalysts, Int. Symp. Molecular Aspects of Catalysis by Sulfides, 6,8, (1998), St. Petersburg, Russia.

10-José Maria C. Bueno (Departamento de Eng. Química, Universidade Federal de São Carlos, São Carlos, SP)  colaborou e publicou com:

   a) Carlos Apesteguia (INCAPE-Universidad Nacional del Litoral, Santa Fe, Argentina):

E.L. Rodrigues, C.R. Apesteguia, A J. Marchi, José M.C. Bueno, Effect of the Zinc on Copper or Cobalt-Supported Catalysts for the Hydrogenation of a,b-Unsaturated Aldehydes, 15^th Meeting of the North American Catalysis Society , 139-140, Chicago, (1997).

E.L. Rodrigues, A.J. Marchi, C. Apesteguia, José M.C. Bueno, Hydrogenation selective of a,b-unsaturated aldehydes: III. Promoter effect of Cu-Zn alloy toward unsaturated alcohol formation. 16^th NAM of the Catalysis Society, (1999).

   b) Miguel A. Bañares (Instituto de Catálisis y Petroquímica, Madrid, España):

J.H. Cardoso, M.A. Bañares, José M.C. Bueno, J.L.G. Fierro, Partial Oxidation of Methane on Silica-Supported Vanadia Catalysts. The Relevance of Catalyst BET Area and Gas-Phase Activation, Collection of Czeschoslovak Chemical Communications, 63, 1743-1754 (1998).

J.H. Cardoso, M.A. Bañares, José M.C. Bueno, J.L.G. Fierro, V₂O₅ /SiO₂ Catalysts for the Partial Oxidation of Methane. Role of the Catalysts Morphology and Gas-phase Reaction. 3^rd International Symposium on Group Five Elements, Rio de Janeiro, (1998) .

M.A. Bañares, J.H. Cardoso, G. Hutchings, José M.C. Bueno, J.L.G. Fierro, Selective oxidation of methane to methanol and formaldehyde over V₂O₅/SiO₂ catalysts. Role of NO in the gas phase Catal. Letters, 56,149-154 (1998).

   c) Harold H.Kung (Center for Catalysis & Surface Science, Northwestern University, Evanston, USA):

José M.C. Bueno, G.K. Bethke, M.C. Kung, H.H. Kung, Effect of SiO₂ support on the preparation of VPO catalysts for n-butane oxidation to maleic anhydride,  Studies in Surface and Catalysis, vol 110, 453-460- Elsevier Science (1997).

G. K. Bethke, D. Wang, J.M.C. Bueno, M.C. Kung, H.H. Kung, Alkane Oxidation Over VO(H₂PO₄)₂-Derived Catalysts, 15^th Meeting of the North American Catalysis Society , 121-122, Chicago, (1997).

J.M.C. Bueno, G.K. Bethke, M.C. Kung, H.H.Kung, Supported VPO Catalysts for Selective Oxidation of Butane III: Effect of Preparation Procedure and SiO₂ Support, Catalysis Today vol 43 (1-2), 101-110 (1998).

11-Maria Conceição Greca (Instituto Nacional de Tecnologia, Rio de Janeiro, RJ) colaborou e publicou com:

   Ana Maria Segadães (Departamento de Engenharia Cerâmica e do Vidro, Universidade de Aveiro, Aveiro, Portugal):

Maria C. Greca, M.R. Morelli, A.M. Segadães C.Moraes, Ni/Alumina Catalysts Produced by Combustion Synthesis, Key Engineering Materials Vols. 132-136 (1997) pp.205-208.

Maria C. Greca, C. Moraes, M.R. Morelli, A.M. Segadães, Pd/Alumina Catalysts Produced by Combustion Synthesis, International Journal of Self-Propagating High-Temperature Synthesis, Volume 7, Number 2, (1998).

Maria C. Greca, C. Moraes, M.R. Morelli, A.M. Segadães, Evaluation of Pd/alumina catalysts, produced by combustion synthesis, in the ethanol oxidation reaction to acetic acid, Applied Catalysis A: General 179 (1999) 87-92.

12-Martin Schmal (Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ) colaborou e publicou com:

   a) M. Albert Vannice (Applied Catalysis in Energy Laboratory, Pennsylvania State University, USA): 

Fabio B. Passos, Martin Schmal, A. Vannice, Effect of In and Sn on the Adsorption Behavior and Hydrogenolysis Activity of Pt/Al₂O₃ Catalysts, Journal of Catalysis 160, pp. 106-117, (1996).

Fabio B. Passos, Martin Schmal, A. Vannice, Ethylene Adsorption on Al₂O₃-Supported Pt, Pt-Sn, and Pt-In Catalysts, Journal of Catalysis 160, pp. 118-124, (1996).

Martin Schmal, A.S. Baldanza, M.A. Vannice, Pd-Mo/Al₂O₃ Catalysts for NO Reduction by CO, J. of  Catalysis 185, 138-151, (1999).

   b) Bernard Moraweck (Institut du Recherches sur la Catalyse, Villeurbanne, France):

F.B. Noronha, A. Frydman, Donato A.G. Aranda, C.A. Pérez, R.R. Soares, B. Morawek, C. T. Campbell, Martin Schmal, The Promoting Effect of Nobel Metal Addition on Niobia-Supported Cobalt Catalysts, Catalysis Today 28, pp. 147-157, (1996).

F. B. Noronha, Martin Schmal, C. Nicot, B. Moraweck, R. Frety, Characterization of Graphite Supported Palladium Cobalt Catalyst by TPR and Magnetic Measurements, Journal of Catalysis, vol. 168, (1997), pp. 42-50.

F.B. Noronha, B. Moraweck, R. Frety, Martin Schmal, Evidence of Alloy Formation on Pd/Co Supported Catalysts EXAFS, XPS and XRD Characterizations, Conference in Fritz-Haber-Institut-Max Planck G. Workshop on Complex Surface Systems, (1998).

   c) Charles T. Campbell (Department of Chemistry, University of Washington, Seattle, USA):

A. Frydman, C.T. Campbell, D. Castner, Martin Schmal, Particle and Phase from XPS Analysis of Supported Bimetallic Catalysts: Calcined Co-Rh/Nb₂O₅, J. Catalysis, 152, 164-178, (1995).

Lucia G. Appel, A. Frydman, C.A.C. Perez, J.G. Eon, D.G. Castner,. C.T. Campbell, Martin Schmal, Photoelectron Spectroscopy Studies on Ce/Al₂O₃ and on Bimetallic Rh-Co/Nb₂O₅ Catalysts, 1^st Brazilian-German Workshop on Applied Surface Science, Mangaratiba, RJ, (1995).

A. Frydman, C.T. Campbell, D. Castner, Martin Schmal, A Method for Accurate Quantitative XPS Analysis of Multimetallic or Multiphase Catalysts on Support Particles, J. Catalysis, 157, 133,144, (1995).

   d) Ted Oyama (Chemical Engineering Department, Virginia Polytechnic Institute, Blacksburg, USA):

V.L.S. T. Silva, E.I. Ko, Martin Schmal, S.T. Oyama, Synthesis of Niobium Carbide from Niobium Oxide Aerogels, Chem. Mater. Vol. 7, No. 1, pp. 179-184, (1994).

V.L. T. Silva, V. Schwartz, Martin Schmal, S.T. Oyama, Synthesis of a Nb/Mo Mixed Carbide, Journal of Material Research, vol.13, n^o 7, pp. 1977-1988, (1998).

V.L.S. T. Silva, Martin Schmal, S. Ted Oyama, Mechanism of the Carburization of Niobium Oxide to Niobium Carbide, The 2^nd International Symposium on Niobium Compounds, Tokyo, Japan, (1995).

13-Paulo Gustavo P. Oliveira (Instituto Nacional de Tecnologia, Rio de Janeiro, RJ) colaborou e publicou com:

   a) Jean Claude Volta (Institut du Recherches sur la Catalyse, Villeurbanne, France):

J.C. Védrine, G. Coudurier, A. Ouqour, Paulo G.P. Oliveira, J.C. Volta, Niobium Oxides based Materials as Catalysts for Acidic and Partial Oxidation Types Reaction, Catalysis Today, v.28,3-15, (1996).

Paulo G. P. Oliveira, J.G. Eon. M. Chabant, A.S. Riché, V. Martin, S. Caldarelli, J.C. Volta, Modification of Vanadium Phosphorus Oxides used for n-butane Oxidation to Maleic Anhydride by Interaction with Niobium Phosphate, Catalysis Today (1999), in print.

   b) Stefano Caldarelli (Institut du Recherches sur la Catalyse, Villeurbanne, France):

Paulo G.P. Oliveira, J.G. Eon, M. Chavant, A.S. Riché, V. Martin, S. Caldarelli, J.C. Volta, Modification of Vanadium Phosphorus Oxides used for n-butane Oxidation to Maleic Anhydride by Interaction with Niobium Phosphate - 3rd International Symposium on Group Five Elements, Rio de Janeiro, (1999).

14-Roberto Fernando de Souza (Universidade Federal do Rio Grande do Sul, Porto Alegre, RS) colaborou e publicou com:

   a) Igor Tkatchenko  (Institut du Recherches sur la Catalyse, Villeurbanne, France):

Roberto F. Souza, P. Dani, I. Tkatchenko, M. Camargo, Jairton Dupont, M. Pfeffer, Cationic cyclopalladated complexes:new catalyst precursors for the telomerization of butadiene with alcohols, Journal of Molecular Catalysis A:- Chemical, v.109, p.127.1996.

   b) Y. Chauvin  (Institut du Recherches sur la Catalyse, Villeurbanne, France):

Roberto F. Souza, Y. Chauvin, L.C. Simon, P.A.Z. Suarez, C.N. Wyrvalski, H. Olivier, Oligomerization of n-butenes catalyzed by nickel complexes dissolved in organochloroaluminate ionic liquids. Journal of Catalysis, v.165, p.275-278, 1997.

Roberto F. Souza, Y. Olivier, H. Chauvin, Patente FR95/12135, "Procédé catalítique pour la dimérisation", Jan., 10, 1995.

Roberto F. Souza, Y. Olivier, H. Chauvin, Patente FR95/08492, "Nouvelle composition catalitique et ...". Jan. 25 , 1995.

14-Ulf Schuchardt (Instituto de Química, Universidade de Campinas, Campinas, SP) colaborou e publicou com:

   Roger Sheldon (Delft University of Technology, Delft, Netherlands):

Ulf Schuchardt, I.W.C.E. Arends, R.A. Sheldon, M. Wallau, Oxidative transformations of organic compounds mediated by redox molecular sieves, Angew. Chem. Int. Ed. Engl., 36, 1144-1163 (1997).

R.S. Sercheli, A.L.B. Ferreira, M.C. Guerreiro, R.M. Vargas, R. Sheldon, Ulf Schuchardt, Encapsulation of N,N’,N’’-tricyclohexylguanidine in hydrophobic zeolite Y: Synthesis and catalytic activity, Tetrahedron Letters, 38, 1325,1328 (1997) .