Research Topics
| Paul MeredithSummaryAffiliation: University of Queensland Country: Australia Publications
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Detail Information
Publications
Radiative relaxation in synthetic pheomelaninJennifer Riesz
Soft Condensed Matter Physics Group and Centre for Biophotonics and Laser Science, School of Physical Sciences, University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia
J Phys Chem B 110:13985-90. 2006..2%, twice that of DM, although still extremely low. This means that 99.8% of the energy absorbed by CDM is dissipated via nonradiative pathways, consistent with its role as a pigmentary photoprotectant...
Electronic and optoelectronic materials and devices inspired by natureP Meredith
Centre for Organic Photonics and Electronics, School of Mathematics and Physics, University of Queensland, Brisbane, Queensland, Australia
Rep Prog Phys 76:034501. 2013..This is a rich new playground for the modern materials physicist...- Radiative relaxation quantum yields for synthetic eumelaninPaul Meredith
Department of Physics, University of Queensland, Brisbane, Queensland, Australia
Photochem Photobiol 79:211-6. 2004..This hypothesis lends support to the theory that the basic structural unit of eumelanin is oligomeric rather than heteropolymeric... - A quantum yield map for synthetic eumelaninStephen P Nighswander-Rempel
Centre for Biophotonics and Laser Science, School of Physical Sciences, University of Queensland, St Lucia, Queensland 4072, Australia
J Chem Phys 123:194901. 2005..2 and 3.2 eV), regardless of excitation wavelength. This information is important in the context of understanding melanin biofunctionality, and the quantum molecular biophysics therein... - Solvochromic effects in model eumelanin compoundsStephen P Nighswander-Rempel
Centre for Organic Photonics and Electronics, School of Physical Sciences, University of Queensland, Brisbane, Queensland, Australia
Photochem Photobiol 84:620-6. 2008.... - Effect of dimerization on vibrational spectra of eumelanin precursorsStephen P Nighswander-Rempel
Centre for Biophotonics and Laser Science, School of Physical Sciences, University of Queensland, Brisbane, Queensland, Australia
Photochem Photobiol 84:613-9. 2008..Comparison of spectral features of the monomer and dimer provides insight into eumelanin photochemistry, but final conclusions depend on the planarity of oligomeric structure in vivo... - Quantitative fluorescence excitation spectra of synthetic eumelaninStephen P Nighswander-Rempel
Centre for Biophotonics and Laser Science and Soft Condensed Matter Theory Group, School of Physical Sciences, University of Queensland, St Lucia, QLD 4067, Australia
J Phys Chem B 109:20629-35. 2005..Most notably, an excitation peak at 365 nm (3.40 eV), whose position is independent of emission wavelength, is possibly attributable to a 5,6-dihydroxyindole-2-carboxylic acid (DHICA) component singly linked to a polymeric structure... - Time-resolved and steady-state fluorescence spectroscopy of eumelanin and indolic polymersStephen P Nighswander-Rempel
Centre for Biophotonics and Laser Science, University of Queensland, Brisbane, QLD, Australia
Photochem Photobiol 83:1449-54. 2007.... - The physical and chemical properties of eumelaninPaul Meredith
Soft Condensed Matter Physics Group, School of Physical Sciences, University of Queensland, Brisbane, Australia
Pigment Cell Res 19:572-94. 2006..We are engaged in such an endeavor for the case of eumelanin... 
Role of semiconductivity and ion transport in the electrical conduction of melaninAlbertus B Mostert
Centre for Organic Photonics and Electronics, School of Mathematics and Physics, University of Queensland, Brisbane St Lucia QLD 4072, Australia
Proc Natl Acad Sci U S A 109:8943-7. 2012....- Quantitative scattering of melanin solutionsJennifer Riesz
Soft Condensed Matter Physics Group, Condensed Matter Theory Group, Physics Department, University of Queensland, St Lucia, Brisbane, Australia, QLD 4072
Biophys J 90:4137-44. 2006..The scattering coefficient versus wavelength was found to be consistent with Rayleigh theory for a particle radius of 38 +/- 1 nm. Our results shed important light on the role of melanins as photoprotectants... - Synthesis and polymerization studies of organic-soluble eumelaninsKirsten J Lawrie
School of Molecular and Microbial Sciences, University of Queensland, Brisbane, Queensland, Australia
Photochem Photobiol 84:632-8. 2008..The UV-visible spectra of the organically soluble synthetic melanins were essentially identical to that of natural eumelanin... - Efficient, large area ITO-and-PEDOT-free organic solar cell sub-modulesHui Jin
Centre for Organic Photonics and Electronics, University of Queensland, Brisbane, QLD 4072, Australia
Adv Mater 24:2572-7. 2012 - Convergent proton-transfer photocycles violate mirror-image symmetry in a key melanin monomerSeth Olsen
Centre for Computational Molecular Science, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072 Australia
J Am Chem Soc 129:6672-3. 2007 - Nanostructured, active organic-metal junctions for highly efficient charge generation and extraction in polymer-fullerene solar cellsAjay K Pandey
Centre for Organic Photonics and Electronics, The University of Queensland, St Lucia, Australia
Adv Mater 24:1055-61. 2012..The nanostructured metal-organic interface delivers combined enhanced light trapping and improved charge extraction leading to up to a 10% increase in power conversion efficiency of already optimized planar devices... - Facile iterative synthesis of biphenyl dendrons with a functionalized focusEllen J Wren
Centre for Organic Photonics and Electronics, The University of Queensland, School of Chemistry and Molecular Biosciences, Chemistry Building, Queensland, Australia, 4072
Org Lett 12:4338-40. 2010.... - Fluoride sensing by catechol-based π-electron systemsByeong Kwan An
Centre for Organic Photonics and Electronics, The University of Queensland, Queensland, 4072 Australia
Chemphyschem 11:3517-21. 2010..7 μM to 200 μM. Importantly, when adsorbed onto a solid support the fluorescent catechol dye can be used to detect the presence of fluoride in aqueous solution... - Gaseous adsorption in melanins: hydrophilic biomacromolecules with high electrical conductivitiesA Bernardus Mostert
Centre for Organic Photonics and Electronics, School of Mathematics and Physics, The University of Queensland, Brisbane, Queensland 4072, Australia
Langmuir 26:412-6. 2010.... - Quantitative photoluminescence of broad band absorbing melanins: a procedure to correct for inner filter and re-absorption effectsJennifer Riesz
Soft Condensed Matter Physics Group and Centre for Biophotonics and Laser Science, Department of Physics, University of Queensland, St Lucia, Brisbane, QLD 4072, Australia
Spectrochim Acta A Mol Biomol Spectrosc 61:2153-60. 2005..These procedures allow accurate quantitative analysis of the emission of low quantum yield samples (such as melanin) at concentrations where absorption is significant... - Chemical and structural disorder in eumelanins: a possible explanation for broadband absorbanceM Linh Tran
Soft Condensed Matter Physics Group, and Theoretical Condensed Matter Physics Group, School of Physical Sciences, University of Queensland, Brisbane, QLD 4072, Australia
Biophys J 90:743-52. 2006..Indeed, one may speculate that the robust functionality of melanins in vitro is a direct consequence of its heterogeneity, i.e., chemical disorder is a "low cost" natural resource in these systems... - Study of optical properties of electropolymerized melanin films by photopyroelectric spectroscopyJosé Eduardo de Albuquerque
Departamento de Fisica, Universidade Federal de Vicosa, Vicosa, MG, 36571 000, Brazil
Eur Biophys J 35:190-5. 2006..We believe this to be the first such measurement of its kind on this material. Additionally, we found an optical gap in these melanin films at 1.70 eV...