Biophysics at York University: Images

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	Ankyrin, a molecule located in hair cell bundles in the inner ear, behaves like a soft spring, facilitating the conversion of mechanical energy into electrical signals when hairs are deflected by sound. Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign
	A computer simulation of the single-file march of water molecules (small blue boomerangs) through a narrow pore of an aquaporin molecule (gold) in a cell membrane (red balls and fibers). Credit: Emad Tajkhorshid, Klaus Schulten, Theoretical and Computational Biophysics Group, University of Illinois at Urbana-Champaign
	A single-molecule bio-sensor constructed from an enzyme-coated nanotube. Biophysics Group at the Kavli Institute of NanoScience, Faculty of Applied Sciences, Delft University of Technology, the Netherlands
	A DNA-membrane complex, a material whose highly organized structure opens up the possibility of new technological applications. Physics News Graphics Sources: Gerard C. L. Wong, Youli Li, Ilya Koltover, Cyrus R. Safinya, Zhonghou Cai, and Wenbing Yun in the October 5, 1998 issue of Applied Physics Letters. Joachim O. Rädler, Ilya Koltover, Tim Salditt, and Cyrus R. Safinya, Science, 275: 810-814 (7 February 1997).
	Measuring the electrical conductivity of DNA: a DNA “wire” between two electrodes. Biophysics Group at the Kavli Institute of NanoScience, Faculty of Applied Sciences, Delft University of Technology, the Netherlands
	DNA translocating through a solid-state nanopore. Biophysics Group at the Kavli Institute of NanoScience, Faculty of Applied Sciences, Delft University of Technology, the Netherlands
	A tiny bundle of hair cells in the inner ear converts mechanical action (sound) into electrical signals recognizable by the brain. Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign
	Veins in a leaf. Insights into the structure may come from the mechanics of ropes and threads. Physics News Graphics Reported by: S. Bohn, B. Andreotti, S. Douady, J. Munzinger, and Y. Couder, Physical Review E, June 2002.
	Micron-resolution pictures of marine organisms recorded in the ocean using a holographic microscope. Physics News Graphics, Reported by: Jericho et al. in Review of Scientific Instruments
	A tiny silicon cantilever, which is the working component of a magnetic resonance force microscope, is poised above a sample to be imaged. Physics News Graphics This research was described at the American Physical Society March Meeting, 17-21 March 1997, in Kansas City, Missouri.
	Three-dimensional view of a rat tumour derived from optical coherence imaging. Physics News Graphics Reported by: P. Yu et al., Applied Physics Letters, 21 July 2003
	A DNA molecule attached to a nanotube rope, as imaged by atomic force microscopy. Biophysics Group at the Kavli Institute of NanoScience, Faculty of Applied Sciences, Delft University of Technology, the Netherlands
	Mechano-sensitive channels in Japanese lantern protein control passage of water and ions. Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign
	X-ray phase-based image of a spider showing details of internal soft tissue not visible with other imaging techniques. Article: Timm Weitkamp, Ana Diaz, Christian David, Franz Pfeiffer, Marco Stampanoni, Peter Cloetens, and Eric Ziegler, “Quantitative X-ray phase imaging with a grating interferometer” Optics Express, August 8, 2005.
	A bacteria-induced fluid convection pattern in a half-inch-diameter fluid drop, viewed from above. Physics News Graphics Reported by: Dombrowski et al., Physical Review Letters, upcoming.
	Autofluorescence of a common deer tick feasting on the ear of a golden hamster, as viewed by laser scanning confocal microscopy. Credit: Marna E. Ericson, University of Minnesota
	A real-time enhanced vein image is projected onto a subject’s wrist in an effort to help in finding a vein for making injections. Physics News Graphics, Reported by: Herbert Zeman at the OSA Frontiers in Optics meeting.
	A dye on the surface of water reveals a trail of vortices behind a water strider, yielding insights into how the insect propels itself. David L. Hu, Brian Chan, and John W. M. Bush, Nature 424, 663-666 (7 August 2003.