Items where Research Group is "Chemistry of Light and Energy

Published

Acocella, Angela, Jones, Garth A. and Zerbetto, Francesco (2006) Mono- and bichromatic electron dynamics: LiH, a test case. The Journal of Physical Chemistry A, 110 (15). pp. 5164-5172. ISSN 1520-5215

Andrews, D. L., Crisp, R.G. and Bradshaw, D.S. ORCID: https://orcid.org/0000-0002-6458-432X (2006) Optically induced inter-particle forces:From the bonding of dimers to optical electrostriction in molecular solids. Journal of Physics B: Atomic, Molecular and Optical Physics, 39 (15). S637-S650. ISSN 0953-4075

Andrews, David, Carter, A. R., Babiker, M and Al-Amri, M. (2006) Transient optical angular momentum effects and atom trapping in multiple twisted beams. In: UNSPECIFIED.

Andrews, David, Davila Romero, Luciana and Babiker, M (2006) Twisted laser beams and their optical interactions with chiral matter. In: Trends in Chemical Physics Research. Nova Science Publishers, Hauppauge NY, pp. 155-176.

Andrews, David L and Crisp, Richard G (2006) Optically activated energy transfer: array implementation. Journal of Optics A: Pure and Applied Optics, 8 (4). S106-S112. ISSN 1741-3567

Andrews, David L. and Crisp, Richard G. (2006) Near-field propagation in planar nanostructured arrays. In: UNSPECIFIED.

Andrews, David L. and Crisp, Richard G. (2006) Optomechanical forces and electrostriction in laser optical materials. In: UNSPECIFIED.

Andrews, David L. and Crisp, Richard G. (2006) Theory of directed electronic energy transfer. Journal of Fluorescence, 16 (2). pp. 191-199. ISSN 1573-4994

Andrews, David L. and Li, Shaopeng (2006) Adjacency matrix formulation of energy flow in dendrimeric polymers. In: UNSPECIFIED.

Andrews, David L. and Li, Shaopeng (2006) Energy flow in dendrimers: An adjacency matrix representation. Chemical Physics Letters, 433 (1-3). pp. 239-243.

Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428, Cannon, Roderick D. and Song, Fuquan (2006) Kinetic and mechanism of alkene polymerization. Kinetics and Catalysis, 47 (2). pp. 160-169.

Borner, Ruth C., Boden, N, Bushby, Richard J., Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310 and Jesudason, M. V. (2006) Ferric chloride/methanol in the preparation of triphenylene-based discotic liquid crystals:The synthesis of triphenylene‐based discotic mesogens New and improved routes. Liquid Crystals, 33 (11-12). pp. 1439-1448. ISSN 0267-8292

Bott, RKJ, Schormann, M, Hughes, DL, Lancaster, SJ and Bochmann, M ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Synthesis and structures of ferrocenyl-substituted salicylaldiminato complexes of magnesium, titanium and zirconium. Polyhedron, 25 (2). pp. 387-396. ISSN 1873-3719

Bradshaw, D. S. ORCID: https://orcid.org/0000-0002-6458-432X and Andrews, D. L. (2006) Competing mechanisms for energy transfer in two-photon absorbing systems. Chemical Physics Letters, 430 (1-3). pp. 191-194.

Bradshaw, David S. ORCID: https://orcid.org/0000-0002-6458-432X and Andrews, David L. (2006) Energy migration in molecular assemblies: The characterisation and differentiation of two-photon mechanisms. In: Proceedings of SPIE - The International Society for Optical Engineering. UNSPECIFIED. ISBN 9780819462510

Bradshaw, David S. ORCID: https://orcid.org/0000-0002-6458-432X and Andrews, David L. (2006) Optical ordering of nanoparticles trapped by Laguerre-Gaussian laser modes. In: Proceedings of SPIE - The International Society for Optical Engineering. SPIE. ISBN 9780819461735

Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310 (2006) The effect of size and shape variation in discotic liquid crystals based on triphenylene cores. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 364 (1847). 2697–2708. ISSN 1364-503X

Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310, Goddard, Victoria H. M., Gopee, Hemant, Harrison, Nicola L., Hughes, David L., Schubert, Christopher J., Sutton, Benjamin M., Watts, Gary L. and Whitehead, Andrew J. (2006) Aryl trihydroxyborates: Easily isolated discrete species convenient for direct application in coupling reactions. Organic Letters, 8 (18). pp. 4071-4074. ISSN 1523-7052

Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310 and Gopee, Hemant (2006) Perylenophthalocyanines. Chemistry - A European Journal, 12. pp. 8609-8613. ISSN 0947-6539

Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310 and King, Amy S. H. (2006) Model studies towards liquid crystalline dendrimers with mesogenic repeat units throughout the structure. Tetrahedron Letters, 47 (31). pp. 5569-5572.

Carter, A R, Davila Romero, L C, Babiker, M, Andrews, D L and Probert, M I J (2006) Orientational effects of twisted light on twisted nematic liquid crystals. Journal of Physics B: Atomic, Molecular and Optical Physics, 39 (15). S523-S528. ISSN 1361-6455

Carter, A. R., Babiker, M., Al-Amri, M. and Andrews, D. L. (2006) Generation of microscale current loops, atom rings, and cubic clusters using twisted optical molasses. Physical Review A (PRA), 73 (2).

Clarke, TA ORCID: https://orcid.org/0000-0002-6234-1914, Hemmings, AM ORCID: https://orcid.org/0000-0003-3053-3134, Burlat, B, Butt, JN ORCID: https://orcid.org/0000-0002-9624-5226, Cole, JA and Richardson, DJ ORCID: https://orcid.org/0000-0002-6847-1832 (2006) Comparison of the structural and kinetic properties of the cytochrome c nitrite reductases from Escherichia coli, Wolinella succinogenes, Sulfurospirillum deleyianum and Desulfovibrio desulfuricans. Biochemical Society Transactions, 34 (1). pp. 143-145. ISSN 1470-8752

Crisp, Richard G. and Andrews, David L. (2006) Optical switching in nano-arrays: transistor action through directed energy transfer. In: UNSPECIFIED.

Fielden, John ORCID: https://orcid.org/0000-0001-5963-7792, Gunning, Patrick T., Long, De-Liang, Nutley, Margaret, Ellern, Arkady, Kögerler, Paul and Cronin, Leroy (2006) Anion control of isomerism, crystal packing and binding properties in a mononuclear zinc complex. Polyhedron, 25 (18). pp. 3474-3480. ISSN 1873-3719

Fielden, John ORCID: https://orcid.org/0000-0001-5963-7792, Long, De-Liang, Evans, Cameron and Cronin, Leroy (2006) Metal-dependent formation of mononuclear complexes and M2L2 mesocates with Schiff-base ligands. European Journal of Inorganic Chemistry, 2006 (19). pp. 3930-3935. ISSN 1434-1948

Fielden, John ORCID: https://orcid.org/0000-0001-5963-7792, Malaestean, Yurii L., Ellern, Arkady, García-Serres, Ricardo, Cronin, Leroy and Kögerler, Paul (2006) Inducing Molecular Growth in an {Mo57Fe6}-type Nanocluster: Synthesis, Structure, and Properties of {Mo57(Mo)2FeIII6}*. Journal of Cluster Science, 17 (2). pp. 291-302. ISSN 1040-7278

Fielden, John ORCID: https://orcid.org/0000-0001-5963-7792, Sprott, Joanna, Long, De-Liang, Kögerler, Paul and Cronin, Leroy (2006) Controlling aggregation of copper(II)-based coordination compounds: From mononuclear to dinuclear, tetranuclear, and polymeric copper complexes. Inorganic Chemistry, 45 (7). pp. 2886-2895. ISSN 0020-1669

Fritscher, J., Prisner, T. F. and Macmillan, F. ORCID: https://orcid.org/0000-0002-2410-4790 (2006) Theoretical investigation of Q(A)(-)(center dot) - Ligand interactions in bacterial reaction centers of Rhodobacter sphaeroides. Applied Magnetic Resonance, 30 (3-4). pp. 251-268. ISSN 0937-9347

Garduno-Mejia, J. and Meech, S. R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Stability analysis of a non-symmetric femtosecond-cavity-dumped solid-state oscillator. Optics Communications, 259 (2). pp. 840-847. ISSN 0030-4018

Guerrero, Antonio, Hughes, David L. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Synthesis and crystal structure of ethyl zinc chloride. Organometallics, 25 (6). pp. 1525-1527.

Guerrero, Antonio, Martin, Eddy, Hughes, David L., Kaltsoyannis, Nikolas and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Zinc(II) η1- and η2-toluene complexes: Structure and bonding in Zn(C6F5)2·(toluene) and Zn(C6F4-2-C6F5)2·(toluene). Organometallics, 25 (14). pp. 3311-3313.

Gwyer, J.D., Richardson, D.J. ORCID: https://orcid.org/0000-0002-6847-1832 and Butt, J.N. ORCID: https://orcid.org/0000-0002-9624-5226 (2006) Inhibiting Escherichia coli cytochrome c nitrite reductase: Voltammetry reveals an enzyme equipped for action despite the chemical challenges it may face in vivo. Biochemical Society Transactions, 34 (1). pp. 133-135. ISSN 1470-8752

Gwyer, James D., Zhang, Jingdong, Butt, Julea N. ORCID: https://orcid.org/0000-0002-9624-5226 and Ulstrupy, Jens (2006) Voltammetry and in situ scanning tunneling microscopy of cytochrome c nitrite reductase on Au(111) electrodes. Biophysical Journal, 91 (10). pp. 3897-3906. ISSN 0006-3495

Hannant, Mark H., Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001, Lancaster, Simon J., Hughes, David L., Horton, Peter N. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) The synthesis of new weakly coordinating diborate anions: anion stability as a function of linker structure and steric bulk. Dalton Transactions (20). pp. 2415-2426. ISSN 1477-9234

Howard, RH, Bochmann, M ORCID: https://orcid.org/0000-0001-7736-5428 and Wright, JA ORCID: https://orcid.org/0000-0001-9603-1001 (2006) {Bis(3,5-Di-tert-butyl-2-oxidobenzyl)[2-(N,N-dimethylamino)ethyl]amine-κ4N,N',O ,O'}zinc(II) and {bis(3-tert-butyl-5-methyl-2-oxidobenzyl)[2-(N ,N-dimethylamino)ethyl]amine-κ4N,N',O,O'}(tetrahdyrofuran)zinc(II). Acta Crystallographica Section C, 62 (7). m293-m296. ISSN 1600-5759

Hubbard, Penny L., Tani, Akiko, Oganesyan, Vasily ORCID: https://orcid.org/0000-0002-8738-1146, Butt, Julea ORCID: https://orcid.org/0000-0002-9624-5226, Cottrell, Stephen P. and Jayasooriya, Upali A (2006) Different responses to muon implantation in single- and double-stranded DNA. Physica B: Condensed Matter, 374-375. pp. 437-440. ISSN 1873-2135

Illingworth, Christopher J. R., Gooding, Stuart R., Winn, Peter J., Jones, Garth A., Ferenczy, György G. and Reynolds, Christopher A. (2006) Classical polarization in hybrid QM/MM methods. The Journal of Physical Chemistry A, 110 (20). pp. 6487-6497. ISSN 1089-5639

Jaye, A. A., Hunt, N. T. and Meech, S. R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Temperature- and solvation-dependent dynamics of liquid sulfur dioxide studied through the ultrafast optical Kerr effect. The Journal of Chemical Physics, 124 (2). ISSN 0021-9606

Jaye, Andrew A., Stoner-Ma, Deborah, Matousek, Pavel, Towrie, Michael, Tonge, Peter J. and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Time-resolved emission spectra of green fluorescent protein. Photochemistry and Photobiology, 82 (2). pp. 373-379. ISSN 0031-8655

Kacprzak, Sylwia, Kaupp, Martin and Macmillan, Fraser ORCID: https://orcid.org/0000-0002-2410-4790 (2006) Protein-cofactor interactions and EPR parameters for the Q(H) quinone binding site of quinol oxidase. A density functional study. Journal of the American Chemical Society, 128 (17). pp. 5659-5671. ISSN 0002-7863

Kondo, Minako, Nappa, Jérôme, Ronayne, Kate L., Stelling, Allison L., Tonge, Peter J. and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Ultrafast vibrational spectroscopy of the flavin chromophore. The Journal of Physical Chemistry B, 110 (41). pp. 20107-20110. ISSN 1520-6106

Long, De-Liang, Kögerler, Paul, Parenty, Alexis D. C., Fielden, John ORCID: https://orcid.org/0000-0001-5963-7792 and Cronin, Leroy (2006) Discovery of a family of isopolyoxotungstates [H4W19O62]6− encapsulating a {WO6} moiety within a {W18} Dawson-like cluster cage. Angewandte Chemie International Edition, 45 (29). pp. 4798-4803. ISSN 1433-7851

MacMillan, Fraser ORCID: https://orcid.org/0000-0002-2410-4790, Budiman, Kerstin, Angerer, Heike and Michel, Hartmut (2006) The role of tryptophan 272 in the Paracoccus denitrificans cytochrome c oxidase. FEBS Letters, 580 (5). pp. 1345-1349. ISSN 0014-5793

Marritt, Sophie J., van Wonderen, Jessica H., Cheesman, Myles R. and Butt, Julea N. ORCID: https://orcid.org/0000-0002-9624-5226 (2006) Magnetic circular dichroism of hemoproteins with in situ control of electrochemical potential: “MOTTLE”. Analytical Biochemistry, 359 (1). pp. 79-83. ISSN 1096-0309

Martinez-Espinosa, R.M., Richardson, D.J. ORCID: https://orcid.org/0000-0002-6847-1832, Butt, J.N. ORCID: https://orcid.org/0000-0002-9624-5226 and Bonete, M.J. (2006) Respiratory nitrate and nitrite pathway in the denitrifier haloarchaeon Haloferax mediterranei. Biochemical Society Transactions, 34 (1). pp. 115-117. ISSN 1470-8752

McLean, Kirsty J., Warman, Ashley J., Seward, Harriet E., Marshall, Ker R., Girvan, Hazel M., Cheesman, Myles R., Waterman, Michael R. and Munro, Andrew W. (2006) Biophysical characterization of the sterol demethylase P450 from Mycobacterium tuberculosis, its cognate ferredoxin, and their interactions. Biochemistry, 45 (27). pp. 8427-8443. ISSN 0006-2960

Mileni, Mauro, Macmillan, Fraser ORCID: https://orcid.org/0000-0002-2410-4790, Tziatzios, Christos, Zwicker, Klaus, Haas, Alexander H., Mantele, Werner, Simon, Jorg and Lancaster, C. Roy D. (2006) Heterologous production in Wolinella succinogenes and characterization of the quinol : fumarate reductase enzymes from Helicobacter pylori and Campylobacter jejuni. Biochemical Journal, 395 (1). pp. 191-201. ISSN 0264-6021

Mooser, Daniela, Maneg, Oliver, MacMillan, Fraser ORCID: https://orcid.org/0000-0002-2410-4790, Malatesta, Francesco, Soulimane, Tewfik and Ludwig, Bernd (2006) The menaquinol-oxidizing cytochrome bc complex from Thermus thermophilus: Protein domains and subunits. Biochimica Et Biophysica Acta-Bioenergetics, 1757 (9-10). pp. 1084-1095. ISSN 0005-2728

Pearson, Emma L., Kwan, Laurence C. H., Turner, Craig I., Jones, Garth A., Willis, Anthony C., Paddon-Row, Michael N. and Sherburn, Michael S. (2006) Intramolecular Diels-Alder reactions of ester linked 1,3,9-decatrienes: Cis/trans selectivity in thermal and Lewis acid promoted reactions of ethylene-tethered and benzo-tethered systems. Journal of Organic Chemistry, 71 (16). pp. 6099-6109. ISSN 0022-3263

Pennington, Dale A., Coles, Simon J., Hursthouse, Michael B., Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 and Lancaster, Simon J. (2006) Salicylaldiminato pyrrolylaldiminato group 4 metal alkene polymerization catalysts: Combining high activity with high comonomer incorporation. Macromolecular Rapid Communications, 27 (8). pp. 599-604. ISSN 1022-1336

Pennington, Dale A., Harrington, Ross W., Clegg, William, Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 and Lancaster, Simon J. (2006) The synthesis, structure and ethene polymerization activity of octahedral heteroligated (salicylaldiminato)(β-enaminoketonato) titanium complexes: The X-ray crystal structure of {3-But-2-(O)C6H3CHN(Ph)}{(Ph)NC(Me)C(H)C(Me)O}TiCl2. Journal of Organometallic Chemistry, 691 (14). pp. 3183-3188.

Pugh, David, Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001, Freeman, Sandra and Danopoulos, Andreas A. (2006) ‘Pincer’ dicarbene complexes of some early transition metals and uranium. Dalton Transactions (6). pp. 775-782. ISSN 1477-9226

Said, Musa, Hughes, David L. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Synthesis, structure and catalytic activity of phosphine-substituted zirconium salicylaldiminato complexes. Inorganica Chimica Acta, 359 (11). pp. 3467-3473.

Sarazin, Yann, Coles, Simon J., Hughes, David L., Hursthouse, Michael B. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Cationic Brønsted acids for the preparation of SnIV salts: Synthesis and characterisation of [Ph3Sn(OEt2)][H2N{B(C6F5)3}2],[Sn(NMe2)3(HNMe2)2][B(C6F5)4] and [Me3Sn(HNMe2)2][B(C6F5)4]. European Journal of Inorganic Chemistry, 2006 (16). pp. 3211-3220. ISSN 1434-1948

Sarazin, Yann, Howard, Ruth H., Hughes, David L., Humphrey, Simon M. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Titanium, zinc and alkaline-earth metal complexes supported by bulky O,N,N,O-multidentate ligands: syntheses, characterisation and activity in cyclic ester polymerisation. Dalton Transactions (2). pp. 340-350. ISSN 1477-9234

Sarazin, Yann, Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001 and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Synthesis and crystal structure of [C6H5Hg(H2NSiMe3)][H2N{B(C6F5)3}2], a phenyl–mercury(II) cation stabilised by a non-coordinating counter-anion. Journal of Organometallic Chemistry, 691 (26). pp. 5680-5687.

Scott, Benjamin O. S., Lavesa-Curto, Manuel, Bullard, Desmond R., Butt, Julea N. ORCID: https://orcid.org/0000-0002-9624-5226 and Bowater, Richard P. ORCID: https://orcid.org/0000-0002-2745-7807 (2006) Immobilized DNA hairpins for assay of sequential breaking and joining of DNA backbones. Analytical Biochemistry, 358 (1). pp. 90-98. ISSN 1096-0309

Stoner-Ma, Deborah, Melief, Edward H., Nappa, Jérôme, Ronayne, Kate L., Tonge, Peter J. and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Proton relay reaction in green fluorescent protein (GFP): Polarization-resolved ultrafast vibrational spectroscopy of isotopically edited GFP. The Journal of Physical Chemistry B, 110 (43). pp. 22009-22018. ISSN 1520-6106

Sánchez-Barba, Luis F., Hughes, David L., Humphrey, Simon M. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Ligand transfer reactions of mixed-metal lanthanide/magnesium allyl complexes with β-diketimines: Synthesis, structures, and ring-opening polymerization catalysis. Organometallics, 25 (4). pp. 1012-1020.

Vondrak, Tomas, Plane, John M. C. and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Influence of submonolayer sodium adsorption on the photoemission of the Cu(111)/water ice surface. Journal of Chemical Physics, 125 (22). ISSN 1089-7690

Vondrak, Tomas, Plane, John M. C. and Meech, Stephen R. ORCID: https://orcid.org/0000-0001-5561-2782 (2006) Photoemission from sodium on ice: A mechanism for positive and negative charge coexistence in the mesosphere. Journal of Physical Chemistry B, 110 (9). pp. 3860-3863. ISSN 1520-5207

Wenz, T., Hellwig, P., Macmillan, F. ORCID: https://orcid.org/0000-0002-2410-4790, Meunier, B. and Hunte, C. (2006) Probing the role of E272 in quinol oxidation of mitochondrial complex III. Biochemistry, 45 (30). pp. 9042-9052. ISSN 0006-2960

Wenz, Tina, Hellwig, Petra, MacMillan, Fraser ORCID: https://orcid.org/0000-0002-2410-4790, Covian, Raul, Meunier, Brigitte, Trumpower, Bernard L. and Hunte, Carola (2006) The role of conserved residues in the mitochondrial quinol: Cytochrome c oxidoreductase for substrate binding, catalysis and proton transfer. Biochimica Et Biophysica Acta-Bioenergetics, 1757 (5-6, Supplement). p. 252. ISSN 0005-2728

Wilson, Polly A., Hannant, Mark H., Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001, Cannon, Roderick D. and Bochmann, Manfred ORCID: https://orcid.org/0000-0001-7736-5428 (2006) Anion influence in metallocene-based olefin polymerisation catalysts. Macromolecular Symposia, 236 (1). pp. 100-110. ISSN 1022-1360

Woodcock, K. R. S., Vondrak, T., Meech, S. R. ORCID: https://orcid.org/0000-0001-5561-2782 and Plane, J. M. C. (2006) A kinetic study of the reactions FeO+ + O, Fe +·N2 + O, Fe+·O2 + O and FeO+ + CO: Implications for sporadic E layers in the upper atmosphere. Physical Chemistry Chemical Physics, 8 (15). pp. 1812-1821. ISSN 1463-9084

Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001, Danopoulos, Andreas A., Motherwell, William B., Carroll, Robert J. and Ellwood, Simon (2006) ‘Pincer’ pyridyl- and bipyridyl-N-heterocyclic carbene analogues of the Grubbs’ metathesis catalyst. Journal of Organometallic Chemistry, 691 (24-25). pp. 5204-5210.

Wright, Joseph A. ORCID: https://orcid.org/0000-0001-9603-1001, Danopoulos, Andreas A., Motherwell, William B., Carroll, Robert J., Ellwood, Simon and Saßmannshausen, Jorg (2006) “Pincer” N-heterocyclic carbene complexes of rhodium functionalised with pyridyl and bipyridyl donors. European Journal of Inorganic Chemistry, 2006 (23). pp. 4857-4865. ISSN 1099-0682

Wright, Jospeh A. ORCID: https://orcid.org/0000-0001-9603-1001, Gaunt, Matthew J. and Spencer, Jonathan B. (2006) Novel anti-Markovnikov regioselectivity in the Wacker reaction of styrenes. Chemistry - A European Journal, 12 (3). pp. 949-955. ISSN 0947-6539