FACULTY OF CHEMISTRY AND BIOCHEMISTRY

Novel sensors enable precise measurement of dopamine

Carbon nanotubes glow brighter in the presence of neurotransmitters. This facilitates the easy and accurate measurement of signals between nerve cells.

Dopamine is an important signalling molecule for nerve cells. Its concentration could not be precisely determined with both high spatial or temporal resolution until now. A new method has now made this possible: A research team from Bochum, Göttingen and Duisburg used modified carbon nanotubes that glow brighter in the presence of the messenger substance dopamine.

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A sieve for molecules

Scientists have long tried to use graphene, which is composed of carbon, as a kind of sieve. But this material doesn’t have any pores. Now, a team has found an alternative material which comes with pores from the outset.

Researchers from Bielefeld, Bochum and Yale have succeeded in producing a layer of two-dimensional (2D) silicon dioxide. This material contains natural pores and can therefore be used like a sieve for molecules and ions. Scientists have been looking for such materials for a long time because they could for example help desalinate seawater and be used in new types of fuel cells.

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Bachelor
Course language German
Bachelor of Science in Chemistry
Bachelor of Science in Biochemistry

Bachelor of Arts in Chemistry + x

Master
Course language English
Master of Science in Chemistry
Master of Science in Biochemistry
Master of Science in Molecular Sciences and Simulation

Course language German
Master of Education in Chemistry + x