@article { ISI:000284313100039,
	title = {Free-standing mesoporous silica films with tunable chiral nematic structures},
	journal = {NATURE},
	volume = {468},
	number = {7322},
	year = {2010},
	month = {NOV 18},
	pages = {422-U246},
	issn = {0028-0836},
	doi = {10.1038/nature09540},
	author = {Shopsowitz, Kevin E. and Qi, Hao and Hamad, Wadood Y. and MacLachlan, Mark J.}
}
