Volodymyr M. Korkhov (left) and Richard Kammerer of the Center for Life Sciences at PSI have made important advances towards understanding how botulinum neurotoxin, botox for short, enters our nerve cells.
Volodymyr M. Korkhov (left) and Richard Kammerer of the Center for Life Sciences at PSI have made important advances towards understanding how botulinum neurotoxin, botox for short, enters our nerve cells. © Paul Scherrer Institute PSI/Mahir Dzambegovic

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Welcome to PSI, the largest research institute for natural and engineering sciences in Switzerland.

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Employees at PSI are working on the world of tomorrow.

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PSI operates five particle accelerator-based large research facilities.

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In a total of 64 centres, labs and groups, we conduct research into pressing societal issues.

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Every year, around 3000 researchers from all over the world carry out experiments at our facilities.