w3_bio - E. Coli bacteria Red blood cell ameoba Plant cell...

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E. Coli bacteria ameoba Eukaryotic cell Plant cell Red blood cell
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SEM images
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DPPC 1,2-di-palmitoyl-glycero-3 phosphocholine cholesterol Glycerol subunit 16:0/16:0 + _ double bond 16:0/18:1 + _ 1-palmitoyl-2-oleoyl-PC
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10 μ m shiny side Ni mesh dull side Ni mesh Thickness Ni mesh Cu-coated 10 μ m before Cu-coated monolayer trilayer Nanotech Application of DPPC (Coe Group)
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metal DPPC chiral carbon trilayer monolayer glycerol
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metal DPPC chiral carbon
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20 o 30 o 35 o 40 o 45 o 50 o 55 o 60 o 65 o 70 o 75 o 20 o Optical Polarized Microscope Images of Hexadecanethiol/Hydrated DPPC vs Temperature Schematic of Coated Mesh Control of Optical Transmission Through Microchannels
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PM3 optimized Gramicidin A monomer (membrane structure). 15 amino acids, alternating L and D, coil into a nanochannel. A single-stranded, helical dimer (HD) spans a membrane allowing ion transport. O atoms (dark) of C=O groups line the ion channel. Williams et al., Nanotechnology, 15 S495-S503 (2004)
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C=O stretch, 16 different stretches, Amide I bands
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Halobacterium halobium sp. NRC-1 is a salt-loving (Halophiles) archaebacterium that inhabits natural salt lakes and areas where seawater is evaporated to produce salt 3 . BR in high concentrations but lacking O 2 over San Francisco Bay 4,11 is purple, called purple membranes O 2 present they are red- pigmented 4 as in a saline pond at a salt work near San Quentin, Mexico Red Halobacteria in Owens Salt Lake in Owens Valley, California 5 Great Salt Lake in Utah, the Dead Sea, or Lake Magadi in Southern Kenya's Maasai land Halobacterium halobrium discovered by Dieter Oesterhelt , Walther Stoeckenius and A. Blaurock in 1971 1 Bacteriorhodopsin (BR) discovered by Dieter Oesterhelt and Walther Stoeckenius in 1973 2 Halobacterium salinarum (electron microscope image) 9 0.5-1.2 um x 1.0-6.0 um in size 10 colonies framed by the main chromosome with the external plasmids. it is divided into one large chromosome with 2,014,239 bp and 2 small replicons pNRC100 (191,346 bp) and pNRC200 (365,425 bp).
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Halobacterium salinarum (electron microscope image) 9 0.5-1.2 um x 1.0-6.0 um in size 10 light H + H + ADP ATP H + Sensor rhodopsins SR I and SR II Purple membrane = 2-D crystalline bacteriorhodopsin lattice ATP-synthase flagellae
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This note was uploaded on 07/17/2008 for the course CHEM 694 taught by Professor Dr.coe during the Spring '05 term at Ohio State.

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w3_bio - E. Coli bacteria Red blood cell ameoba Plant cell...

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