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Chemistry World

 

Features July 2004


The principles of directed evolution

Rational or random?

There's more than one way to engineer an enzyme, explains Kira Weissman.


Leading light

Leading light

Helen Fielding talks to Cath O'Driscoll about what it takes, scientifically and financially, to be in control of simple chemical systems.


Getting the numbers right - the lonely struggle of Rydberg

Johannes Rydberg was one of the grandfathers of modern-day physics and chemistry, but persuading his peers to recognise his theories of atomic structure was not always easy. Mike S...


Sugars

Remedies from Nature

In the quest for better therapeutic drugs, scientists continue to look at natural products for inspiration. The imino sugars show particular promise, as Robert Nash explains.


A future in fragments

Astex's research on drug fragments is taking it deep into the oncology field, as Emma Davies finds out.