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Helder M Marques
Helder M Marques
School of Chemistry, University of the Witwatersrand, Joannesburg, South Africa
Verified email at wits.ac.za
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Structure− function relationships in aminoquinolines: effect of amino and chloro groups on quinoline− hematin complex formation, inhibition of β-hematin formation, and …
TJ Egan, R Hunter, CH Kaschula, HM Marques, A Misplon, J Walden
Journal of medicinal chemistry 43 (2), 283-291, 2000
4252000
Fate of haem iron in the malaria parasite Plasmodium falciparum.
TJ Egan, JM Combrinck, J Egan, GR Hearne, HM Marques, S Ntenteni, ...
Biochemical Journal 365 (Pt 2), 343, 2002
3912002
Thermodynamic factors controlling the interaction of quinoline antimalarial drugs with ferriprotoporphyrin IX
TJ Egan, WW Mavuso, DC Ross, HM Marques
Journal of inorganic biochemistry 68 (2), 137-145, 1997
2211997
An Analysis of Porphyrin Molecular Flexibility Use of Porphyrin Diacids
B Cheng, OQ Munro, HM Marques, WR Scheidt
Journal of the American Chemical Society 119 (44), 10732-10742, 1997
2061997
Speciation and structure of ferriprotoporphyrin IX in aqueous solution: spectroscopic and diffusion measurements demonstrate dimerization, but not μ-oxo dimer formation
KA de Villiers, CH Kaschula, TJ Egan, HM Marques
JBIC Journal of Biological Inorganic Chemistry 12, 101-117, 2007
1822007
Hemes and hemoproteins: 1: Preparation and analysis of the heme-containing octapeptide (microperoxidase-8) and identification of the monomeric form in aqueous solution
J Aron, DA Baldwin, HM Marques, JM Pratt, PA Adams
Journal of inorganic biochemistry 27 (4), 227-243, 1986
1821986
The crystal structure of halofantrine–ferriprotoporphyrin IX and the mechanism of action of arylmethanol antimalarials
KA de Villiers, HM Marques, TJ Egan
Journal of inorganic biochemistry 102 (8), 1660-1667, 2008
1472008
The role of haem in the activity of chloroquine and related antimalarial drugs
TJ Egan, HM Marques
Coordination Chemistry Reviews 190, 493-517, 1999
1361999
Structural and molecular mechanics studies on highly ruffled low-spin (porphinato) iron (III) complexes
OQ Munro, HM Marques, PG Debrunner, K Mohanrao, WR Scheidt
Journal of the American Chemical Society 117 (3), 935-954, 1995
1351995
Hemes and hemoproteins. 5: Kinetics of the peroxidatic activity of microperoxidase-8: model for the peroxidase enzymes
DA Baldwin, HM Marques, JM Pratt
Journal of inorganic biochemistry 30 (3), 203-217, 1987
1291987
Molecular mechanics and molecular dynamics simulations of porphyrins, metalloporphyrins, heme proteins and cobalt corrinoids
HM Marques, KL Brown
Coordination chemistry reviews 225 (1-2), 123-158, 2002
1282002
Halogen bonding: A halogen-centered noncovalent interaction yet to be understood
PR Varadwaj, A Varadwaj, HM Marques
Inorganics 7 (3), 40, 2019
1252019
Significance of hydrogen bonding and other noncovalent interactions in determining octahedral tilting in the CH3NH3PbI3 hybrid organic-inorganic halide …
PR Varadwaj, A Varadwaj, HM Marques, K Yamashita
Scientific reports 9 (1), 50, 2019
1232019
Molecular mechanics study of the ruffling of metalloporphyrins
OQ Munro, JC Bradley, RD Hancock, HM Marques, F Marsicano, ...
Journal of the American Chemical Society 114 (18), 7218-7230, 1992
1141992
Heme−Peptide Models for Hemoproteins. 1. Solution Chemistry of N-Acetylmicroperoxidase-8
OQ Munro, HM Marques
Inorganic chemistry 35 (13), 3752-3767, 1996
1041996
The physical chemistry of coordinated aqua-, ammine-, and mixed-ligand Co2+ complexes: DFT studies on the structure, energetics, and topological properties of the electron density
PR Varadwaj, HM Marques
Physical Chemistry Chemical Physics 12 (9), 2126-2138, 2010
822010
Cis effects in the cobalt corrins. 1. Crystal structures of 10-chloroaquacobalamin perchlorate, 10-chlorocyanocobalamin, and 10-chloromethylcobalamin
KL Brown, S Cheng, X Zou, JD Zubkowski, EJ Valente, L Knapton, ...
Inorganic chemistry 36 (17), 3666-3675, 1997
821997
Is the fluorine in molecules dispersive? Is molecular electrostatic potential a valid property to explore fluorine-centered non-covalent interactions?
A Varadwaj, HM Marques, PR Varadwaj
Molecules 24 (3), 379, 2019
812019
Insights into porphyrin chemistry provided by the microperoxidases, the haempeptides derived from cytochrome c
HM Marques
Dalton transactions, 4371-4385, 2007
782007
DFT-UX3LYP Studies on the Coordination Chemistry of Ni2+. Part 1: Six Coordinate [Ni(NH3)n(H2O)6−n]2+ Complexes
PR Varadwaj, I Cukrowski, HM Marques
The Journal of Physical Chemistry A 112 (42), 10657-10666, 2008
732008
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