Professor Gary Bryant

Position

Professor

School /
Work Unit

Applied Sciences

Contact Details

+61 3 9925 2139

gary.bryant@rmit.edu.au

Location

Building: 14
Level: 7
Room: 6

City Campus

College/Portfolio

Science, Engineering & Health

 ProfImage

Key activities

Teaching and Work responsibilities

  • Director of Graduate Research

Qualifications

PhD UNSW, B Sc (Hons) UNSW.

Research

Research interests

His research interests cover a broad range of topics in Soft condensed matter including:

Research highlight

Our research has recently been selected as a highlight of research conducted at the European Synchrotron Radiation Facility (ESRF) in 2011. See:

Major externally funded research projects

  • Coping with temperature extremes: morphological constraints on leaf function in a warmer, drier climate. ARC Discovery DP110105380, 2011-2013 (with Prof. M. Ball (ANU); Dr L Sack (UCLA); Prof. NM Holbrook (Harvard)).
  • Development of cryopreservation for high value provenance collections of recalcitrant plant species used in post-mining restoration. ARC Linkage LP0884027, 2009-2011 (with Dr. R. Mancera (Curtin); Prof. A. Mark & Dr. S. Turner (UQ); Dr. P. Che (UWA); Dr. E. Bunn (Botanic Gardens, WA)).
  • Tolerance of temperature extremes under drought: linking physiological processes with morphological constraints on leaf function. ARC Discovery DP0881009, 2008-2010 (with Prof. M. Ball (ANU), Dr AB Nicotra (ANU); Dr L Sack (UCLA); Prof. NM Holbrook (Harvard)).
  • Water content and freezing tolerance of Antarctic mosses – indicators of climate change. Australian Antarctic Division Project Grants (with Prof. M. Ball (ANU), Prof. J. Wolfe (UNSW).

Selected other research projects

  • Gyroid to diamond peptide induced phase transition in a bicontinuous cubic phase. (with Dr. C. Garvey (ANSTO) and Prof. S. Hyde (ANU)).
  • Understanding crystallization and glass formation using colloidal model systems. (with Emeritus Prof. W van Megen)
  • Advanced light scattering techniques for the measurement of particle dynamics. (with Emeritus Prof. W van Megen)
  • Using Dynamic Light Scattering for the investigation of bacterial motility. (with Prof. W. Poon and Dr. V. Martinez, Edinburgh)
  • Effects of solutes in reducing membrane damage during dehydration. (with Prof Koster, Uni of South Dakota, USA)

Research publications

Book chapters

  • Koster, K.L. and G. Bryant (2006). Dehydration in model membranes and protoplasts: contrasting effects at low, intermediate and high hydrations. in: Cold Hardiness in Plants: Molecular Genetics, Cell Biology and Physiology, T.H.H. Chen, M. Uemura and S. Fujikawa Eds. p 219-234. CABI, ISBN 0851990592.
  • Wolfe J. and G. Bryant , (1992). Physical principles of membrane damage due to dehydration and freezing. In: Mechanics of swelling: from clays to living cells and tissues. T.K. Karalis (ed), NATO ASI series H, vol. 64:205-244. ISBN: 0387546073

Refereed journal papers

  • Martinez, V.A., J.H.J. Thijssen, F. Zontone, W. van Megen and G. Bryant (2011). Dynamics of hard sphere suspensions using Dynamic Light Scattering and X-ray Photon Correlation Spectroscopy: dynamics and scaling of the Intermediate Scattering Function. J. Chem. Phys. 134: 054505.
  • Wilson, L.G., V.A. Martinez, J. Schwarz-Linek, J. Tailleur, G. Bryant , P.N. Pusey and W.C.K. Poon (2011). Differential Dynamic Microscopy of Bacterial Motility. Phys. Rev. Lett. 106: 018101.
  • Martinez, V.A., G. Bryant and W. van Megen (2010). Ageing dynamics of colloidal hard sphere glasses. J. Chem. Phys. 133: 114906.
  • Lenné, T., G. Bryant , C. H. Hocart, C. X. Huang, M. C. Ball (2010). Freeze avoidance: a dehydrating moss gathers no ice. Plant Cell Environ. 33: 1731-1741, DOI: 10.1111/j.1365-3040.2010.02178.x.
  • Kent, B., C.J. Garvey, T. Lenné, L. Porcar, V.M. Haramus and G. Bryant (2010). Measurement of glucose exclusion from the fully hydrated DOPE inverse hexagonal phase. Soft Matter 6: 1197-1202. DOI: 10.1039/B919086D
  • Lenné, T., C. J. Garvey, K. L. Koster and G. Bryant (2010). Kinetics of the lamellar gel-fluid transition in phosphatidylcholine membranes in the presence of sugars. Chem. Phys. Lipids, 163: 236-242
  • van Megen, W., V. A. Martinez and G. Bryant (2009). Scaling of the space-time correlation function of particle currents in a suspension of hard sphere-like particles: exposing when the motion of particles is Brownian. Phys. Rev. Lett. 103: 258302.
  • Marnette, O., E. Perez, F. Pincet and G. Bryant (2009). Two dimensional crystallization of hard sphere particles at a liquid-liquid interface. Coll. Surf. A. 346: 208-212, DOI: 10.1016/j.colsurfa.2009.06.018.
  • van Megen, W., V. A. Martinez and G. Bryant (2009). Arrest of flow and emergence of activated processes at the glass transition of a suspension of particles with hard sphere-like interactions. Phys. Rev. Lett. 102: 168.
  • Lenné, T., C. J. Garvey, K. L. Koster, and G. Bryant (2009). The Effects of Sugars on Lipid Bilayers during Dehydration - SAXS/WAXS Measurements and Quantitative Model. J. Phys. Chem. B 113: 2486-2491, DOI: 10.1021/jp808670t.
  • Kent, B., C. J. Garvey, D. Cookson and G. Bryant (2009). The inverse hexagonal – inverse ribbon – lamellar gel phase transition sequence in dehydrated DOPC:DOPE phospholipid mixtures. Chem. Phys. Lipids 157: 56-60
  • Martinez, V. A., G. Bryant and W. van Megen (2008). Slow dynamics and ageing of a colloidal hard sphere glasses. Phys. Rev. Lett. 101: 135702.
  • Williams, S. R., C. P. Royall and G. Bryant (2008). Crystallisation of Dense Binary Hard-Sphere Mixtures with Marginal Size Ratio. Phys. Rev. Lett.100: 225.
  • Schöpe, H. J., O. Marnette, W. van Megen, and G. Bryant (2007). Creation and characterization of particles with small differences in polydispersity. Langmuir23: 11534-11539.
  • Schöpe, H. J., G. Bryant and W. van Megen (2007). Effect of polydispersity on the crystallization kinetics of suspensions of colloidal hard spheres when approaching the glass transition. J. Chem. Phys.127: 084505.
  • van Megen, W. and G. Bryant (2007) Dynamical heterogeneity and the freezing transition in hard sphere suspensions: further analysis of the mean square displacement and the velocity auto-correlation function. Phys. Rev. E76: 021402.
  • Lenné, T., G. Bryant , R. Holcomb and K. L. Koster (2007). How much solute is needed to inhibit the gel to fluid membrane phase transition at low hydration?, Biochim. Biophys. Acta1768: 1019-1022: doi:10.1016/j.bbamem.2007.01.008
  • Schöpe, H. J., G. Bryant and W. van Megen (2006). Small changes in particle size distribution dramatically alter the crystallization kinetics of hard sphere colloidal suspensions. Phys. Rev. E 74: 060401(R).
  • Lenné, T., G. Bryant , C. J. Garvey, U. Keiderling and K. L. Koster (2006). Location of sugars in multilamellar membranes at low hydration. Physica B: Cond. Mat.385-386: 862-864. doi:10.1016/j.physb.2006.05.127
  • Williams, S. R., P. McGlynn, G. Bryant , I. K. Snook and W. van Megen (2006). Dynamical signatures of freezing: Stable fluids, metastable fluids, and crystals. Phys. Rev. E74: 031204.
  • Schöpe, H. J., G. Bryant and W. van Megen (2006). Two-step crystallization kinetics in colloidal hard sphere systems. Phys. Rev. Lett.96: 175701.
  • Wu, S., R. A. Shanks and G. Bryant (2006). Properties of Hydrophobically Modified Polyacrylamide with Low Molecular Weight and Interaction with Surfactant in Aqueous Solution, J. App. Polym. Sci.100: 4348-4360. doi:10.1002/app.23282
  • Williams, S. R., G. Bryant , I. K. Snook and W. van Megen (2006). Velocity autocorrelation functions of hard-sphere liquids: Long-time tails upon undercooling. Phys. Rev. Lett.96: 087801.
  • Van Megen, W., T. C. Mortensen and G. Bryant . (2005) Change in relaxation scenario at the order-disorder transition of a colloidal fluid of hard spheres seen from the Gaussian limit of the self-intermediate scattering function. Phys. Rev. E. 72: 031402.
  • Martin, S., G. Bryant and W. van Megen (2005). Crystallization kinetics of polydisperse colloidal hard spheres II: Binary mixtures. Phys. Rev. E. 71: 021404.
  • Bryant , G. and K. L. Koster (2004). Dehydration of solute-lipid systems: hydration force analysis. Colloids and Surfaces B: Biointerfaces.35: 73-79. doi:10.1016/j.colsurfb.2004.02.001
  • Martin, S. G. Bryant and W. van Megen. Observation of a Smectic-like Crystalline Structure in Polydisperse Colloids. Phys. Rev. Lett.90, 255702 (2003).
  • Martin, S., G. Bryant and W. van Megen. Crystallization kinetics of polydisperse colloidal hard spheres: Experimental evidence for local fractionation. Phys. Rev. E. 67, 061405 (2003).
  • Koster, K. and G. Bryant (2003). Exclusion of Maltodextrins from Phosphatidylcholine Multilayers During Dehydration: Effects on Membrane Phase Behaviour. Eur. Biophys. J. 32: 96-105.
  • Bryant , G., S. Martin and W. van Megen (2003). Accurate measurement of small polydispersities in colloidal suspensions. Langmuir. 19: 616-621
  • Bryant , G., S. Williams, I. Snook, Q. Linmao, F. Pincet, E. Perez,(2002). How hard is the colloidal “hard-sphere” interaction? Phys. Rev. E. Rapid Communications66, 060501(R).
  • Francis, P., S. Martin, G. Bryant , W. van Megen and P. Wilksch (2002).Crystallisation spectrometer – A spectrometer for studying the crystallisation of colloidal suspensions. Rev. Sci. Instrum.73: 3878-3884.
  • Wolfe, J., G. Bryant and K. Koster (2002). What is 'unfreezable water', how unfreezable is it and how much is there? Cryo-Letts23: 157-.
  • Wolfe, J. and G. Bryant (2001). Cellular cryobiology: thermodynamic and mechanical effects. Int. J. Refrig24: 438-450. doi:10.1016/S0140-7007(00)00027-X
  • Bryant , G., K. Koster and J. Wolfe (2001). Membrane behavior in seeds and other systems at low water content: the various effects of solutes. Seed Science Research, 11: 17-25. doi:10.1079/SSR200056
  • Koster K.L., Y.P. Lei, M. Anderson, S. Martin and G. Bryant (2000). Effects of Vitrified and Non vitrified Sugars on Phosphatidylcholine Fluid-to-Gel Phase Transitions. Biophys. J. 78: 1932-1946. doi:10.1016/0005-2736(94)90343-3
  • Wolfe J. and G. Bryant (1999). Freezing, drying and/or vitrification of membrane-solute-water systems. Cryobiology39, 103-129. doi:10.1006/cryo.1999.2195
  • Bryant , G., T. Mortensen, S. Henderson, S. Williams and W. van Megen (1999). Optical Contrast variation study of non-aqueous suspensions of polymer particles. J. Coll. Int. Sci.216: 401-408. doi:10.1006/jcis.1999.6341
  • Bryant , G., H. Schotman and J.C. Thomas (1998). The estimation of multiple light scattering in turbid colloidal suspensions using a 2-Probe detector. Part. Part. Syst. Charact.15: 170-172. doi: 10.1002/(SICI)1521-4117(199808)15:4<170::AID-PPSC170>3.0.CO;2-G
  • Pincet, F., E. Perez, G. Bryant , L. Lebeau and C. Mioskowski (1996).Specific forces between DNA bases. Modern Physics Letters B10: 81-99. doi:10.1142/S0217984996000122
  • Bryant G., C. Abeynayake and J.C. Thomas (1996). Improved Particle Size Distribution Measurements Using Multiangle Dynamic Light Scattering 2. -Refinements and Applications. Langmuir12:6224-6228.
  • Bryant G. and J.C. Thomas (1995). Improved Particle Size Distribution Measurements Using Multiangle Dynamic Light Scattering. Langmuir11: 2480-2485.
  • Bryant G., (1995). DSC measurement of cell suspensions during successive freezing runs: implications for the mechanisms of intracellular ice formation. Cryobiology32: 114-128. doi:10.1006/cryo.1995.1011
  • Pincet, F., E. Perez, G. Bryant , L. Lebeau and C. Mioskowski (1994).Long-range attraction between nucleosides with short range specificity: direct measurements. Phys. Rev. Lett.73: 2780-2783.
  • Bryant G., E. Perez and A. Sputtek, (1994). The influence of hydroxyethyl starch on phospholipid monolayer isotherms. Cryo-Letts15:299-308. ISSN: 0143-2044
  • Koster K. L., M. S. Webb, G. Bryant and D.V. Lynch, (1994).Interactions between soluble sugars and POPC (1-palmitoyl-2-oleoyl-phosphatidylcholine) during dehydration: vitrification of sugars alters the phase behaviour of the phospholipid. Biochim. Biophys. Acta193: 143-150. doi:10.1016/0005-2736(94)90343-3
  • Bryant G., I. Heschel and G. Rau, (1994). The influence of gas bubbles on intracellular ice formation. Cryo-Letts15: 113-118. ISSN: 0143-2044
  • Bryant G., J.M. Pope and J. Wolfe, (1992). Motional narrowing of the 2HNMR spectra near the chain melting transition of phospholipid / D2O mixtures. Eur. Biophys. J. 21: 363-367. doi:10.1007/BF00188350
  • Bryant G., J.M. Pope and J. Wolfe, (1992). Low hydration phase properties of phospholipid mixtures: evidence for dehydration-induced fluid-fluid separations. Eur. Biophys. J. 21: 223-232. doi: 10.1007/BF00196767
  • Bryant G. and J. Wolfe, (1992). Interfacial forces in cryobiology and anhydrobiology. Cryo-Letts13: 23-36. ISSN: 0143-2044
  • Bryant G. and J. Wolfe, (1989). Can Hydration Forces Induce Lateral Phase Separations in Lamellar Phases? Eur. Biophys. J. 16: 369-374. doi:10.1007/BF00257886
  • Barnaby E., G. Bryant and J. Wolfe, (1988). Deformation and Motion of Cells in Electric Fields. StudiaBiophysica127: 45-52. ISSN: 0081-6337
  • Barnaby E., G. Bryant and J. Wolfe, (1988). What is "Dielectrophoresis"? Bioelectrochem. Bioenerg.19: 347-352. doi:10.1016/0302-4598(88)80015-1
  • Bryant G. and J. Wolfe, (1987). Electromechanical Stresses Produced in the Plasma Membranes of Suspended Cells by Applied Electric Fields. J. Memb. Biol.96: 129-139. doi: 10.1007/BF01869239
  • Box M.A., P. Attard, G. Bryant and B.H.J. McKellar, (1987). Sum rules for Mie scattering. J. Opt. Soc. Am. A4: 795-799.
  • Attard P., M.A. Box, G. Bryant and B.H.J. McKellar, (1986). Asymptotic behaviour of the Mie-Scattering amplitude. J. Opt. Soc. Am. A3: 256-258.

Refereed conference papers

  • Lenné, T., B. Kent, K. L. Koster, C. J. Garvey and G. Bryant (2009). Electron density analysis of the effects of sugars on the structure of lipid bilayers at low hydration – a preliminary study. Proceedings of the 33rd Annual Condensed Matter And Materials Meeting. ISBN: 978-0-646-50975-4.
  • Martinez, V. A., G. Bryant and W. van Megen (2009). Power Law dependence of Ageing in a Colloidal Hard Sphere Glass. Proceedings of the 33rd Annual Condensed Matter And Materials Meeting. ISBN: 978-0-646-50975-4.
  • Martinez, V. G. Bryant and W. van Megen (2006). Slow dynamics and ageing of colloidal hard sphere glasses. Proceedings of the 17th National Congress of the AIP, paper 107, p. 1-4. ISBN 0-9598064-7-4.
  • Bryant , G., H J. Schöpe, and W. van Megen (2006). Crystallization of hard-sphere colloids – deviations from classical nucleation theory. Proceedings of the 2006 International Conference on Nanoscience and Nanotechnology. IEEE Catalog Number 06EX1411C, ISBN 1-4244-0453-3.
  • O’Bree, T.A., G. Bryant and A.G. Dekker (2005). Preliminary VSF measurements of Gippsland Lakes’ waters in two planes of polarisation for interpretation of remote sensing images. Proceedings of 16th Congress of the AIP, ISBN 0-9598064-8-2.
  • Lenné, T., G. Bryant and K. L. Koster (2005). Quantitative study on the effects of sugars on membrane phase transitions – preliminary investigations. Proceedings of 16th Congress of the AIP, ISBN 0-9598064-8-2.
  • Martin, S., G. Bryant and W. van Megen (2004). Crystallization in Polydisperse Colloidal Suspensions. Proceedings of the 28th Annual Condensed Matter And Materials Meeting, ISBN: 0-643-09171-8.
  • Wolfe, J. and Bryant , G. (1999) "Physical stresses in cells at low temperatures" 20th International Congress of the Institut International du Froid/International Institute of Refrigeration, Sydney, September 1999. Vol. I, pp 3464-3477. D. Chapman (ed.). ISBN: 2-913149-06-5.
  • Bryant , G., T.C. Mortensen, S.I. Henderson, S.R. Williams and W. van Megen, (1999). Optical Properties of Polymer Particles used for Contrast Variation studies of Phase Transitions. Slow Dynamics in Complex Systems – AIP Conference Proceedings 469, ISBN: 1-56396-811-8.

Published conference abstracts (refereed)

  • Kent, B. G.Bryant , C.J. Garvey and D. Cookson (2007). Inhibition of the inverse ribbon phase by sugars in dry DOPC/DOPE mixtures: a synchrotron SAXS study. Eur. Biophys. J. 36: S74. doi:10.1007/s00249-007-0178-7
  • Koster, K.L. and G. Bryant (2007). Sugar protection of membranes: A trio of mechanisms for a range of water contents. South African Journal of Botany, 73: 488-489. doi:10.1016/j.sajb.2007.04.019
  • Bryant , G., T. Lenné, K.L. Koster, C.J. Garvey, (2006). Sugar distribution between and around membranes during dehydration. Cryobiology, 53: 404. doi:10.1016/j.cryobiol.2006.10.086
  • Lenné, T., G. Bryant , K.L. Koster, R. Holcomb, (2006). Quantitative analysis of the effect of sugars on membrane phase transitions and interlamellar hydration forces. Cryobiology, 53: 443. doi:10.1016/j.cryobiol.2006.10.181
  • Lenné, T., G. Bryant , K.L. Koster, (2005). Quantitative study on the effects of sugars on membrane phase transitions. Cryobiology, 51: 402. doi:10.1016/j.cryobiol.2005.10.001
  • Bryant , G. and K.L. Koster, (2002). Hydration force analysis of membrane-solute-water systems. Cryobiology, 45: 270. doi:10.1016/S0011-2240(02)00136-0
  • Bryant , G.,K.L. Koster, P.L. Steponkus and J. Wolfe, (2001). Effect of Sugars on the Stability of Biological and Model Membranes at Low Hydrations: A Consequence of Specific Sugar–Lipid Interactions or Simple Physical Effects of the Solute? Cryobiology, 43: 347. doi:10.1006/cryo.2002.2369
  • Koster, K.L., K.J. Maddocks and G. Bryant , (2001). Effect of Maltodextrins on Phosphatidylcholine Phase Behavior during Dehydration. Cryobiology, 43: 374. doi:10.1006/cryo.2002.2369
  • Wolfe, J. and G. Bryant , (1999). The thermodynamics and mechanics of freezing, drying and/or vitrifying membrane-solute-water systems. Cryobiology, 39: 282. doi:10.1006/cryo.1999.2210
  • Bryant G., I. Heschel and G. Rau, (1994). DSC measurement of cell suspensions during successive freezing runs: Implications for the mechanisms of IIF. Cryobiology, 31: 563. doi:10.1006/cryo.1994.1067
  • Koster, K.L., G. Bryant and D. V. Lynch, (1993). Interactions between soluble sugars and POPC (1-palmitoyl-2-oleoyl-phosphatidylcholine) during dehydration: vitrification of sugars lowers the Tm of the phospholipid. in T.J. Close and E.A. Bray, eds., “Plant responses to cellular dehydration during environmental stress. American Society of Plant Physiologists”, vol. 10, Rockville, MD. ISBN: 0943088267.
  • Bryant G. and J. Wolfe, (1993) Membrane damage at low hydrations: lipid phase behaviour and the effect of solutes. Prog. Coll. & Polymer Sci. 93: 187. doi: 10.1007/BFb0118460
  • Sputtek A., I. Heschel and G. Bryant , (1993). Cryoprotection of Blood Cells by Polymeric Compounds: A discussion of possible mechanisms. Cryobiology30: 654-655. doi:10.1006/cryo.1993.1064
  • Bryant G. and J. Wolfe, (1988). Lateral Phase Separations in lipid lamellar phases at low hydration. Cryobiology, 25: 541. doi:10.1016/0011-2240(88)90392-6