16   M.F.C. Guedes da Silva, “Catalytic Oxidation of Alcohols” Cluster Conference – Organic Chemistry: ORGCHEM2016, St. Petersburgh State University – Russia (2016) (invited lecture).

15   M.F.C. Guedes da Silva, “Hydrogen Bonding in Water Containing Metal Coordination Compound” 5th International Symposium on Organometallic Chemistry - STRONG LINKS VIA WEAK INTERACTIONS, St. Petersburgh State University – Russia (2016) (invited lecture).

14   M.F.C. Guedes da Silva “Electron-transfer Induced Reactions in Ru and Sn Complexes with Biological Activity”, 66th Annual Meeting of the International Society of Electrochemistry (ISE); Symposium 11 - New Important Frontiers in Molecular Electrochemistry,  Taipei - Taiwan (2015) (invited session lecture).

13   M.F.C. Guedes da Silva “ET-Induced Reactions in Coordination Compounds”, International Symposium on Recent Advances in Chemistry, North Eastern Hill University, Shillong - India (2015) (invited session lecture).

12   M.F.C. Guedes da Silva “Electrochemical and Structural Studies of Coordination Compounds” Conference on Achievements and Problems in Modern Chemistry – Symposium of the International Laboratory of Organometallic Chemistry, Saint Petersburg State University - Russia (2014) p.186 (plenary lecture).

11   M.F.C. Guedes da Silva "Electrochemistry of Coordination Compounds", XVI Iberic Meeting of Electrochemistry and 19th Meeting of the Portuguese Electrochemical Society, Aveiro - Portugal (2014) (award lecture).

10   M.F.C. Guedes da Silva,  M.N. Kopylovich, K.T. Mahmudov,  T.C.O. Mac Leod, A.J.L. Pombeiro  “Copper Complexes with Arylhydrazoness of β-diketones as Catalysts for the Functionalization of Alkanes”, 41st International Conference on Organometallic Chemistry, Singapore (2014) D4S-08(I): SYM-E2, p.97 (invited lecture).

9     M.F.C. Guedes da Silva*, K.T. Mahmudov, M.N. Kopylovich, A.J.L. Pombeiro “Metal Complexes of Ortho-hydroxyphenylhydrazo-ß-diketonates as Catalysts for Nitroaldol Reaction” Zing Conferences – Coordination Chemistry Conference, Cancun - Mexico (2013) (invited session lecture).

8     M.F.C. Guedes da Silva*, M. Gajewska, X. Shang, K.V. Luzyanin, Q. Li, J.Cui, A.J.L. Pombeiro “Diorganotin(IV) Complexes Bearing Hydroxamate- or Carboxylate-Type Ligands: Structural and Biological Characterization” XXV International Conference on Organometallic Chemistry (XXV-ICOMC), Lisbon - Portugal (2012) (invited session lecture).

7     M.F.C. Guedes da Silva* “Metal Coordination Structures and Hydrogen Bond Effects”, International workshop on Materials for Catalysis and Energy, National Taiwan University of S&T, Taipei - Taiwan (2009) (invited session lecture).

6     M.F.C. Guedes da Silva*, N.C.T. Martins, P.J. Figiel,  A.J.L. Pombeiro “Electrocatalytic Oxidation of Alcohols and Thiols by N-hydroxypthalimide”, 5th Chianti Electrochemistry Meeting on Metal Containing Molecules, Certosa di Pontignano, Siena – Italy (2008) (invited plenary lecture)

5     M.F.C. Guedes da Silva* “Chemical and Structural Studies of Complexes with N- and O-Ligands”, International Conference on Organometallic and Coordination Chemistry, Nizhny Novgorod - Russia (2008) S9 (invited session lecture).

4     M.F.C. Guedes da Silva* "Mechanisms of Selected Electron-Transfer Induced Processes in Coordination Chemistry", X Iberic Meeting of Electrochemistry and XIV Meeting of the Portuguese Electrochemical Society, Coimbra - Portugal (2007) PL3, p5 (invited plenary lecture).

3     M.F.C. Guedes da Silva* “Aplications of Digital simulation in Electrochemistry” 3rd Chianti Electrochemistry Meeting on Metal Containing Molecules, Certosa di Pontignano, Siena – Italy (2004) (invited plenary lecture)

2     M.F.C. Guedes da Silva* “Electron-transfer Induced Reactions”, XV Congress of the Ibero-American Society of Electrochemistry, Évora - Portugal (2002) 5030-KN (invited keynote lecture).

1     M.F.C. Guedes da Silva* "Activation of Complexes by Electron-Transfer Processes", VIII Meeting of the Portuguese Electrochemical Society, Covilhã - Portugal (1996) 1 (invited plenary lecture).