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18 Current news of Uppsala University

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How chemicals in plastic may cause lower IQ levels

The effects of environmental chemicals at the molecular level

25-May-2021

The chemical bisphenol F (found in plastics) can induce changes in a gene that is vital for neurological development. This discovery was made by researchers at the universities of Uppsala and Karlstad, Sweden. The mechanism could explain why exposure to this chemical during the fetal stage may be ...

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Producing more sustainable hydrogen with composite polymer dots

16-Feb-2021

Hydrogen for energy use can be extracted in an environmentally friendly way from water and sunlight, using photocatalytic composite polymer nanoparticles developed by researchers at Uppsala University. In laboratory tests, these "polymer dots" showed promising performance and stability alike. How ...

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Ancient enzymes can contribute to greener chemistry

Several billion-year-old enzymes resurrected and a completely new non-natural reaction catalysed

15-Jun-2020

A research team at Uppsala University has resurrected several billion-year-old enzymes and reprogrammed them to catalyse completely different chemical reactions than their modern versions can manage. The method can be used to develop sustainable solutions within biotechnology, such as for enzyme ...

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An all-organic proton battery energized for sustainable energy storage

Charged in a matter of seconds

06-Apr-2020

Sustainable energy storage is in great demand. Researchers at Uppsala University have therefore developed an all-organic proton battery that can be charged in a matter of seconds. The battery can be charged and discharged over 500 times without any significant loss of capacity. The researchers ...

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Artificial enzymes convert solar energy into hydrogen gas

08-Oct-2018

In a new scientific article, researchers at Uppsala University describe how, using a completely new method, they have synthesised an artificial enzyme that functions in the metabolism of living cells. These enzymes can utilize the cell's own energy, and thereby enable hydrogen gas to be produced ...

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World speed record for polymer simulations shattered by over a hundred-fold

18-Sep-2018

From a humble plastic bag to ultra-light airplane wings - polymers are everywhere. These molecules are long chains of atoms that are chemically joined to play many roles that we all love (organic photovoltaics) and hate (indestructible plastic pollution). Polymers are useful in liquid form as ...

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Magnetic order in a two-dimensional molecular chessboard

24-May-2017

Achieving magnetic order in low-dimensional systems consisting of only one or two dimensions has been a research goal for some time. In a new study Uppsala researchers show that magnetic order can be created in a two-dimensional chessboard lattice consisting of organometallic molecules that are ...

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Efficient low-cost method for hydrogenation of graphene with visible light

10-Oct-2016

An environmentally friendly, efficient and low-cost method for hydrogenation of graphene with visible light has been developed by researchers at Uppsala University and AstraZeneca Gothenburg, Sweden. The study shows that the two-dimensional and atom-thin carbon material graphene reacts with ...

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Ultrafast uncoupled magnetism in atoms

A new step towards computers of the future

14-Sep-2015

Future computers will require a magnetic material which can be manipulated ultra-rapidly by breaking the strong magnetic coupling. A study in which Swedish and German scientists demonstrate that even the strongest magnetic coupling may be broken within picoseconds. This will open up an exciting ...

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Self-doping may be the key to superconductivity in room temperature

17-Nov-2014

Swedish materials researchers at Linköping and Uppsala University and Chalmers University of Technology, in collaboration with researchers at the Swiss Synchrotron Light Source (SLS) in Switzerland investigated the superconductor YBa2Cu3O7-x (abbreviated YBCO) using advanced X-ray ...

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