3 Win Nobel Prize For Super-Zoom Microscopes

Eric Betzig from the U.S. talks to journalists in front of the Helmholtz Institute in Neuherberg near Munich, southern Germany, Wednesday, Oct. 8, 2014. U.S. scientists Betzig and William E. Moerner and German scient... Eric Betzig from the U.S. talks to journalists in front of the Helmholtz Institute in Neuherberg near Munich, southern Germany, Wednesday, Oct. 8, 2014. U.S. scientists Betzig and William E. Moerner and German scientist Stefan Hell won the Nobel Prize in Chemistry for developing ways to dramatically improve the resolution of optical microscopes. (AP Photo/Matthias Schrader) MORE LESS
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STOCKHOLM (AP) — Two Americans and a German scientist won the Nobel Prize in chemistry Wednesday for finding ways to make microscopes more powerful than previously thought possible, allowing scientists to see how diseases develop inside the tiniest cells.

Working independently of each other, U.S. researchers Eric Betzig and William Moerner and Stefan Hell of Germany shattered previous limits on the resolution of optical microscopes by using glowing molecules to peer inside tiny components of life.

Their breakthroughs, starting in the 1990s, have enabled scientists to study diseases such as Parkinson’s, Alzheimer’s and Huntington’s at a molecular level, the Royal Swedish Academy of Sciences said.

“Due to their achievements the optical microscope can now peer into the nanoworld,” the academy said, giving the 8 million-kronor ($1.1 million) award jointly to the three scientists for “the development of super-resolved fluorescence microscopy.”

Betzig, 54, works at the Howard Hughes Medical Institute in Ashburn, Virginia. Hell, 51, is director of the Max Planck Institute for Biophysical Chemistry in Goettingen, Germany, and also works at the German Cancer Research Center in Heidelberg. Moerner, 61, is a professor at Stanford University in California.

“I was totally surprised, I couldn’t believe it,” said Hell, who was born in Romania. “Fortunately, I remembered the voice of Nordmark and I realized it was real,” he added, referring to Staffan Nordmark, the academy’s permanent secretary.

The Nobel judges didn’t immediately reach Moerner, who was at a conference in Brazil. He found out about the prize from his wife after she was told by The Associated Press.

“I’m incredibly excited and happy to be included with Eric Betzig and Stefan Hell,” Moerner told the AP.

For a long time optical microscopes were limited by, among other things, the wavelength of light. So scientists believed they could never yield a resolution better than 0.2 micrometers.

But the three scientists were able to break that limit by using molecules that glow on command. The advance took optical microscopy into a new dimension that made it possible to study the interplay between molecules inside cells, including the aggregation of disease-related proteins, the academy said.

“We can at least dream now about being able to see within the cell on the molecular level, which is where all the action is,” Betzig said in a statement released by the Howard Hughes Medical Institute. “If we can do that, and study dynamics at that level, our understanding of cell biology and molecular biology should skyrocket.”

Hell has used these methods to study nerve cells to get a better understanding of brain synapses; Moerner has studied proteins related to Huntington’s disease; and Betzig has tracked cell division inside embryos, the academy said.

“I’m convinced that as a result of this discovery, as a result of the fact that we can see details at much higher spatial resolution, we will find out much quicker what is going on in the cell if a disease emerges,” Hell said.

“Any disease, in the end, can be boiled down to a malfunctioning of the cell. And in order to understand what a disease actually means, you have to understand the cell and you have to understand the malfunction.”

Moerner said scientists can now tell whether individual molecules are different or the same.

“It’s very much like asking whether they all march to the same drummer or not,” Moerner told the AP. “When you can watch one by one, then we are able to observe exactly when it changes from one state to another.”

Tom Barton, president of the American Chemical Society, said the laureates’ work allowed progress in many fields because it let scientists see molecules and other features with unprecedented resolution and lets them study very fine details of living things. While an electron microscope can see even finer details, it can’t be used on living cells.

“Before, maybe, we could just see the contours of bacteria. But now we can look inside the bacteria and we can see things as small as individual molecules,” said Nobel committee member Claes Gustafsson.

“This technique means that suddenly we can start studying details that we could only dream of before. This is really a revolution, because as recently as 15 years ago, it was believed to be theoretically impossible to break this barrier,” he said.

This year’s Nobel announcements started Monday with U.S.-British scientist John O’Keefe splitting the medicine award with Norwegian couple May-Britt Moser and Edvard Moser for breakthroughs in brain cell research that could pave the way for a better understanding of diseases like Alzheimer’s.

On Tuesday, Isamu Akasaki and Hiroshi Amano of Japan and U.S. scientist Shuji Nakamura won physics award for the invention of blue light-emitting diodes — a breakthrough that spurred the development of LED technology that can be used to light up homes and offices and the screens of mobile phones, computers and TVs.

The Nobel Prize in literature will be announced Thursday, followed by the Nobel Peace Prize on Friday and the economics prize on Monday.

The prizes are always handed out in ceremonies on Dec. 10, the date that prize founder Alfred Nobel died in 1896.


Alex Chihak in Phoenix, Frank Jordans in Berlin and Malcolm Ritter in New York contributed to this report.

Copyright 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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