ADVERTISEMENT
See Inside July 2002

Filtering in Reverse

Membranes that pass the big stuff through
REVERSE-SELECTIVE FILTER allows molecules to dissolve into its matrix and then diffuse across. Larger molecules mix in faster, so more get to the other side.



MATT COLLINS

This article is only available as a PDF.

Select an option below:

Customer Sign In

*You must have purchased this issue or have a qualifying subscription to access this content

Share this Article:

Comments

You must sign in or register as a ScientificAmerican.com member to submit a comment.
Scientific American Special Universe

Get the latest Special Collector's edition

Secrets of the Universe: Past, Present, Future

Order Now >

X

Email this Article

X