Architecture of Columnar Nacre, and Implications for Its Formation Mechanism

by: Rebecca A Metzler, Mike Abrecht, Ronke M Olabisi, Daniel Ariosa, Christopher J Johnson, Bradley H Frazer, Susan N Coppersmith, PUPA Gilbert

Physical Review Letters, Vol. 98, No. 26. (2007)

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Abstract

We analyze the structure of Haliotis rufescens nacre, or mother-of-pearl, using synchrotron spectromicroscopy and x-ray absorption near-edge structure spectroscopy. We observe imaging contrast between adjacent individual nacre tablets, arising because different tablets have different crystal orientations with respect to the radiation's polarization vector. Comparing previous data and our new data with models for columnar nacre growth, we find the data are most consistent with a model in which nacre tablets are nucleated by randomly distributed sites in the organic matrix layers.

@article{citeulike:2749598, abstract = {We analyze the structure of Haliotis\ rufescens nacre, or mother-of-pearl, using synchrotron spectromicroscopy and x-ray absorption near-edge structure spectroscopy. We observe imaging contrast between adjacent individual nacre tablets, arising because different tablets have different crystal orientations with respect to the radiation's polarization vector. Comparing previous data and our new data with models for columnar nacre growth, we find the data are most consistent with a model in which nacre tablets are nucleated by randomly distributed sites in the organic matrix layers.}, author = {Metzler, Rebecca A. and Abrecht, Mike and Olabisi, Ronke M. and Ariosa, Daniel and Johnson, Christopher J. and Frazer, Bradley H. and Coppersmith, Susan N. and Gilbert, P. U. P. A. }, citeulike-article-id = {2749598}, doi = {10.1103/PhysRevLett.98.268102}, journal = {Physical Review Letters}, keywords = {2007, biology, crystalization, focus, material}, number = {26}, posted-at = {2008-05-03 19:22:59}, priority = {2}, publisher = {APS}, title = {Architecture of Columnar Nacre, and Implications for Its Formation Mechanism}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000026268102000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

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TY - JOUR ID - citeulike:2749598 TI - Architecture of Columnar Nacre, and Implications for Its Formation Mechanism JF - Physical Review Letters VL - 98 IS - 26 PB - APS N2 - We analyze the structure of Haliotis rufescens nacre, or mother-of-pearl, using synchrotron spectromicroscopy and x-ray absorption near-edge structure spectroscopy. We observe imaging contrast between adjacent individual nacre tablets, arising because different tablets have different crystal orientations with respect to the radiation's polarization vector. Comparing previous data and our new data with models for columnar nacre growth, we find the data are most consistent with a model in which nacre tablets are nucleated by randomly distributed sites in the organic matrix layers. KW - 2007 KW - biology KW - crystalization KW - focus KW - material AU - Metzler, Rebecca AU - Abrecht, Mike AU - Olabisi, Ronke AU - Ariosa, Daniel AU - Johnson, Christopher AU - Frazer, Bradley AU - Coppersmith, Susan AU - Gilbert, PUPA PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000026268102000001&idtype=cvips&gifs=yes ER -

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