01426nas a2200169   4500008004100000245014600041210006900187260000800256520063200264100002400896700002400920700002000944700002000964700002000984700002101004856023101025       2006                        eng d00aUnited {States} {Patent}: 7011791 - {Microfluidic} devices for rotational manipulation of the fluidic interface between multiple flow streams0 aUnited States Patent 7011791 Microfluidic devices for rotational  cmar3 aMicrofluidic devices and methods are provided for enhancing detection of a diffusion pattern formed by particles diffusing between at least two fluid streams in parallel laminar flow such that an interface is formed between them by increasing the dimension of the streams in the diffusion direction. This may be accomplished by flowing the streams through a transforming turn, or by flowing the streams through a channel having diverging walls. Devices and methods are also provided for enhancing diffusion between two streams comprising changing the interface between said streams from a narrow interface to a broad interface.1 aWeigl, Bernhard, H.1 aBardell, Ronald, L.1 aKamholz, Andrew1 aMunson, Matthew1 aSchilling, Eric1 aHawkins, Kenneth  uhttp://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=17&f=G&l=50&co1=AND&d=PTXT&s1=%22Weigl%3B+Bernhard%22.INNM.&OS=IN/%22Weigl;+Bernhard%22&RS=IN/%22Weigl;+Bernhard%22