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3 Makers of ‘World’s Smallest Machines’ Awarded Nobel Prize in Chemistry 3 Makers of ‘World’s Smallest Machines’ Awarded Nobel Prize in Chemistry
(35 minutes later)
Jean-Pierre Sauvage, J. Fraser Stoddart and Bernard L. Feringa were awarded the Nobel Prize in Chemistry on Wednesday for the design and synthesis of “the world’s smallest machines” — molecules with controllable movements, which can perform a task when energy is added. Jean-Pierre Sauvage, J. Fraser Stoddart and Bernard L. Feringa were awarded the Nobel Prize in Chemistry on Wednesday for the design and synthesis of “the world’s smallest machines” — molecules with controllable movements that can perform a task when energy is added.
These “molecular machines” can be used for the development of new materials, sensors and energy storage systems, the Royal Swedish Academy of Sciences said in announcing the prize.These “molecular machines” can be used for the development of new materials, sensors and energy storage systems, the Royal Swedish Academy of Sciences said in announcing the prize.
“In terms of development, the molecular motor is at the same stage as the electric motor was in the 1830s, when scientists displayed various spinning cranks and wheels, unaware that they would lead to electric trains, washing machines, fans and food processors,” it said.“In terms of development, the molecular motor is at the same stage as the electric motor was in the 1830s, when scientists displayed various spinning cranks and wheels, unaware that they would lead to electric trains, washing machines, fans and food processors,” it said.
The three scientists will equally share the prize of 8 million Swedish kronor, or about $930,000.
The machines are not visible to the eye: They are only a few nanometers long, one one-thousandth the width of a strand of human hair. Dr. Sauvage took a big step toward their development in 1983, when he succeeded in linking two ring-shaped molecules to form a chain, called a catenane.The machines are not visible to the eye: They are only a few nanometers long, one one-thousandth the width of a strand of human hair. Dr. Sauvage took a big step toward their development in 1983, when he succeeded in linking two ring-shaped molecules to form a chain, called a catenane.
The second step was taken by Dr. Stoddart in 1991, when he threaded a molecular ring onto a thin molecular axle and demonstrated that the ring was able to move along the axle.The second step was taken by Dr. Stoddart in 1991, when he threaded a molecular ring onto a thin molecular axle and demonstrated that the ring was able to move along the axle.
Dr. Feringa, in 1999, became the first person to develop a molecular motor; he got a molecular rotor blade to spin continually in the same direction.Dr. Feringa, in 1999, became the first person to develop a molecular motor; he got a molecular rotor blade to spin continually in the same direction.
The three men invigorated the field of topological chemistry, the academy said. The three men invigorated the field of topological chemistry, the academy said. They were pioneers in the second wave of nanotechnology, a field that the physicist Richard P. Feynman, also a Nobel laureate, foresaw as early as 1959. He gave a seminal lecture in 1984, toward the end of his life, on design and engineering at the molecular scale.
Dr. Sauvage, born in 1944 in Paris, received his Ph.D. in 1971 from the University of Strasbourg in France, where he is a professor emeritus. He is also director of research emeritus at the National Center for Scientific Research in France. Dr. Sauvage, 71, was born in Paris and received his Ph.D. in 1971 from the University of Strasbourg in France, where he is a professor emeritus. He is also director of research emeritus at the National Center for Scientific Research in France.
Dr. Stoddart, born in 1942 in Edinburgh, received his Ph.D. in 1966 from Edinburgh University, and he is a professor of chemistry at Northwestern University in Evanston, Ill. Dr. Stoddart, 74, was born in Edinburgh, received his Ph.D. in 1966 from Edinburgh University, and is a professor of chemistry at Northwestern University in Evanston, Ill. He previously taught at the University of California, Los Angeles, and was awarded a knighthood by Queen Elizabeth II for his services to science.
Dr. Feringa, born in 1951 in Barger-Compascuum, the Netherlands, received his Ph.D. in 1978 from the University of Groningen, in the Netherlands, where he is a professor of organic chemistry. Dr. Feringa, 64, was born in Barger-Compascuum, the Netherlands and received his Ph.D. in 1978 from the University of Groningen, in the Netherlands, where he is a professor of organic chemistry.
Dr. Feringa, who spoke by telephone with journalists assembled in Stockholm at the prize announcement, said he was “a bit shocked” when he got the phone call telling him he had been honored.
He said he envisioned the development of tiny robots that could be injected into a patient’s veins to seek out cancer cells, and nanoscale converters that could store energy.
“I feel a little bit like the Wright Brothers, who were flying 100 years ago for the first time,” he said. “People were saying, ‘Why do we need a flying machine?’ And now we have a Boeing 747 and an Airbus.”
The molecular discovery “opens up a whole new world of nanomachines,” he said, while acknowledging that “we have to think about how we can handle these things safely.”
■ Yoshinori Ohsumi, a Japanese cell biologist, was awarded the Nobel Prize in Physiology or Medicine on Monday for his discoveries on how cells recycle their content, a process known as autophagy, a Greek term for “self-eating.”■ Yoshinori Ohsumi, a Japanese cell biologist, was awarded the Nobel Prize in Physiology or Medicine on Monday for his discoveries on how cells recycle their content, a process known as autophagy, a Greek term for “self-eating.”
■ David J. Thouless, F. Duncan M. Haldane and J. Michael Kosterlitz shared the Nobel Prize in Physics on Tuesday for their research into the bizarre properties of matter in extreme states.■ David J. Thouless, F. Duncan M. Haldane and J. Michael Kosterlitz shared the Nobel Prize in Physics on Tuesday for their research into the bizarre properties of matter in extreme states.
Tomas Lindahl, Paul L. Modrich and Aziz Sancar were awarded the prize last year for having discovered how cells repair their DNA and protect it from the sun’s ultraviolet light as well natural toxins and industrial pollutants.Tomas Lindahl, Paul L. Modrich and Aziz Sancar were awarded the prize last year for having discovered how cells repair their DNA and protect it from the sun’s ultraviolet light as well natural toxins and industrial pollutants.
Three more will be awarded in the coming days:Three more will be awarded in the coming days:
■ The Nobel Peace Prize will be announced on Friday in Norway. Read about last year’s winner, the National Dialogue Quartet of Tunisia.■ The Nobel Peace Prize will be announced on Friday in Norway. Read about last year’s winner, the National Dialogue Quartet of Tunisia.
■ The Nobel Memorial Prize in Economic Science will be announced on Monday, Oct. 10, in Sweden. Read about last year’s winner, Angus Deaton.■ The Nobel Memorial Prize in Economic Science will be announced on Monday, Oct. 10, in Sweden. Read about last year’s winner, Angus Deaton.
■ The Nobel Prize in Literature will be announced on Thursday, Oct. 13, in Sweden. Read about last year’s winner, Svetlana Alexievich.■ The Nobel Prize in Literature will be announced on Thursday, Oct. 13, in Sweden. Read about last year’s winner, Svetlana Alexievich.