233 entries « 8 of 8 »

2002

211.

Burrows, H. D.; de Melo, J. Seixas; Serpa, C.; Arnaut, L. G.; Miguel, M. D.; Monkman, A. P.; Hamblett, I.; Navaratnam, S.

Triplet state dynamics on isolated conjugated polymer chains Journal Article

In: Chemical Physics, vol. 285, no. 1, pp. 3-11, 2002, ISSN: 0301-0104.

Links

212.

Pina, F.; Lima, J. C.; Lodeiro, C.; de Melo, J. Seixas; Díaz, P.; Albelda, M. T.; García-España, E.

Long range electron transfer quenching in polyamine chains bearing a terminal naphthalene unit Journal Article

In: Journal of Physical Chemistry A, vol. 106, no. 35, pp. 8207-8212, 2002, ISSN: 1089-5639.

Links

213.

de Melo, J. Seixas; Albelda, M. T.; Díaz, P.; García-España, E.; Lodeiro, C.; Alves, S.; Lima, J. C.; Pina, F.; Soriano, C.

Ground and excited state properties of polyamine chains bearing two terminal naphthalene units Journal Article

In: Journal of the Chemical Society-Perkin Transactions 2, no. 5, pp. 991-998, 2002, ISSN: 1472-779X.

Links

214.

de Melo, J. Seixas; Elisei, F.; Becker, R. S.

Photophysical studies of mixed furan, pyrrole, and thiophene-containing oligomers with three and five rings Journal Article

In: Journal of Chemical Physics, vol. 117, no. 9, pp. 4428-4435, 2002, ISSN: 0021-9606.

Links

2001

215.

Albelda, M. T.; Bernardo, M. A.; Díaz, P.; García-España, E.; de Melo, J. Seixas; Pina, F.; Soriano, C.; Luis, S. V.

Polyamines containing naphthyl groups as pH-regulated molecular machines driven by light Journal Article

In: Chemical Communications, no. 16, pp. 1520-1521, 2001, ISSN: 1359-7345.

Links

216.

Bernardo, M. A.; Alves, S.; Pina, F.; de Melo, J. Seixas; Albelda, M. T.; Garcia-España, E.; Llinares, J. M.; Soriano, C.; Luis, S. V.

Polyamine linear chains bearing two identical terminal aromatic units.: Evidence for a photo induced bending movement Journal Article

In: Supramolecular Chemistry, vol. 13, no. 3, pp. 435-445, 2001, ISSN: 1061-0278.

Links

217.

Burrows, H. D.; de Melo, J. Seixas; Serpa, C.; Arnaut, L. G.; Monkman, A. P.; Hamblett, I.; Navaratnam, S.

S1~~>T1 intersystem crossing in π-conjugated organic polymers Journal Article

In: Journal of Chemical Physics, vol. 115, no. 20, pp. 9601-9606, 2001, ISSN: 0021-9606.

Links

218.

Chattopadhyay, N.; Serpa, C.; Pereira, M. M.; de Melo, J. Seixas; Arnaut, L. G.; Formosinho, S. J.

Intramolecular charge transfer of p-(dimethylamino) benzethyne:: A case of nonfluorescent ICT state Journal Article

In: Journal of Physical Chemistry A, vol. 105, no. 44, pp. 10025-10030, 2001, ISSN: 1089-5639.

Links

219.

Lodeiro, C.; Pina, F.; Parola, A. J.; Bencini, A.; Bianchi, A.; Bazzicalupi, C.; Ciattini, S.; Giorgi, C.; Masotti, A.; Valtancoli, B.; de Melo, J. Seixas

Exploring the photocatalytic properties and the long-lifetime chemosensor ability of Cl2 Ru(Bpy)2L (L=2,5,8,11,14-pentaaza 15 )-2,2′-bipyridilophane) Journal Article

In: Inorganic Chemistry, vol. 40, no. 26, pp. 6813-6819, 2001, ISSN: 0020-1669.

Links

220.

de Melo, J. Seixas; Fernandes, P. F.

Spectroscopy and photophysics of 4-and 7-hydroxycoumarins and their thione analogs Journal Article

In: Journal of Molecular Structure, vol. 565, pp. 69-78, 2001, ISSN: 0022-2860.

Links

221.

de Melo, J. Seixas; Quinteiro, G.; Pina, J.; Breda, S.; Fausto, R.

Spectroscopic characterization of α- and γ-pyrones and their substituted 4-hydroxy and 4-methoxy derivatives:: an integrated infrared, photophysical and theoretical study Journal Article

In: Journal of Molecular Structure, vol. 565, pp. 59-67, 2001, ISSN: 0022-2860.

Links

222.

de Melo, J. Seixas; Silva, L. M.; Kuroda, M.

Photophysical and theoretical studies of naphthalene-substituted oligothiophenes Journal Article

In: Journal of Chemical Physics, vol. 115, no. 12, pp. 5625-5636, 2001, ISSN: 0021-9606.

Links

2000

223.

Bencini, A.; Bianchi, A.; Lodeiro, C.; Masotti, A.; Parola, A. J.; Pina, F.; de Melo, J. Seixas; Valtancoli, B.

A novel fluorescent chemosensor exhibiting exciplex emission. An example of an elementary molecular machine driven by pH and by light Journal Article

In: Chemical Communications, no. 17, pp. 1639-1640, 2000, ISSN: 1359-7345.

Links

224.

de Melo, J. Seixas; Barroso, M.

Síntese, Espectroscopia e Tingimento com Corantes: o Índigo Journal Article

In: Química, vol. 81, pp. 66-69, 2000.

225.

de Melo, J. Seixas; Elisei, F.; Gartner, C.; Aloisi, G. G.; Becker, R. S.

Comprehensive investigation of the photophysical behavior of oligopolyfurans Journal Article

In: Journal of Physical Chemistry A, vol. 104, no. 30, pp. 6907-6911, 2000, ISSN: 1089-5639.

Links

1999

226.

de Melo, J. Seixas; Silva, L. M.; Arnaut, L. G.; Becker, R. S.

Singlet and triplet energies of α-oligothiophenes:: A spectroscopic, theoretical, and photoacoustic study:: Extrapolation to polythiophene Journal Article

In: Journal of Chemical Physics, vol. 111, no. 12, pp. 5427-5433, 1999, ISSN: 0021-9606.

Links

1997

227.

de Melo, J. Seixas; Becker, R. S.; Elisei, F.; Macanita, A. L.

The photophysical behavior of 3-chloro-7-methoxy-4-methylcoumarin related to the energy separation of the two lowest-lying singlet excited states Journal Article

In: Journal of Chemical Physics, vol. 107, no. 16, pp. 6062-6069, 1997, ISSN: 0021-9606.

Links

1996

228.

Becker, R. S.; de Melo, J. Seixas; Macanita, A. L.; Elisei, F.

Comprehensive evaluation of the absorption, photophysical, energy transfer, structural, and theoretical properties of alpha-oligothiophenes with one to seven rings Journal Article

In: Journal of Physical Chemistry, vol. 100, no. 48, pp. 18683-18695, 1996, ISSN: 0022-3654.

Links

1995

229.

Becker, R. S.; de Melo, J. Seixas; Macanita, A. L.; Elisei, F.

COMPREHENSIVE INVESTIGATION OF THE SOLUTION PHOTOPHYSICS AND THEORETICAL ASPECTS OF OLIGOTHIOPHENES OF 1-7 RINGS Journal Article

In: Pure and Applied Chemistry, vol. 67, no. 1, pp. 9-16, 1995, ISSN: 0033-4545.

Links

230.

Borges, M. L.; Matos, O. C.; Pais, I.; de Melo, J. Seixas; Ricardo, C. P.; Macanita, A.; Becker, R. S.

EVALUATION OF A BROAD VARIETY OF COUMARINS, CHROMONES, THEIR FUROHOMOLOGUES AND THIONE ANALOGS AS PHOTOTOXINS ACTIVATED BY UVA AND VISIBLE-LIGHT Journal Article

In: Pesticide Science, vol. 44, no. 2, pp. 155-162, 1995, ISSN: 0031-613X.

Links

231.

Lopes, A.; de Melo, J. Seixas; Martins, A. J.; Macanita, A. L.; Pina, F. S.; Wamhoff, H.; Melo, E.

PARTITION OF PESTICIDES OF THE COUMARIN FAMILY BETWEEN WATER AND AMPHIPHILIC AGGREGATES Journal Article

In: Environmental Science & Technology, vol. 29, no. 3, pp. 562-570, 1995, ISSN: 0013-936X.

Links

1994

232.

de Melo, J. S. Seixas; Becker, R. S.; Macanita, A. L.

PHOTOPHYSICAL BEHAVIOR OF COUMARINS AS A FUNCTION OF SUBSTITUTION AND SOLVENT – EXPERIMENTAL-EVIDENCE FOR THE EXISTENCE OF A LOWEST LYING (1)(ETA,PI(ASTERISK)) STATE Journal Article

In: Journal of Physical Chemistry, vol. 98, no. 24, pp. 6054-6058, 1994, ISSN: 0022-3654.

Links

1993

233.

de Melo, J. Seixas; Macanita, A. L.

3 INTERCONVERTING EXCITED SPECIES – EXPERIMENTAL-STUDY AND SOLUTION OF THE GENERAL PHOTOKINETIC TRIANGLE BY TIME-RESOLVED FLUORESCENCE Journal Article

In: Chemical Physics Letters, vol. 204, no. 5-6, pp. 556-562, 1993, ISSN: 0009-2614.

Links

233 entries « 8 of 8 »