<p>Yes actually Professor Jaramillo (chemical engineering department) focuses primarily on this issue (I should know I work in his lab!).</p>
<p>Check his website for more in depth info on what he does or PM me 
[url=<a href=“http://cheme.stanford.edu/faculty/jaramillo.html]jaramillo[/url”>http://cheme.stanford.edu/faculty/jaramillo.html]jaramillo[/url</a>]</p>