Matthias Albert Brun

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Related publications (5)

A Semisynthetic Fluorescent Sensor Protein for Glutamate

Kai Johnsson, Luc Reymond, Matthias Albert Brun, Kui Thong Tan, Rudolf Griss

We report the semisynthesis of a fluorescent glutamate sensor protein on cell surfaces. Sensor excitation at 547 nm yields a glutamate-dependent emission spectrum between 550 and 700 nm that can be exploited for ratiometric sensing. On cells, the sensor di ...

2012

Visualizing Biochemical Activities in Living Cells through Chemistry

Kai Johnsson, Luc Reymond, Matthias Albert Brun, Karolina Bojkowska, Birgit Mollwitz, Grazvydas Lukinavicius, Anastasiya Masharina, Alberto Schena, Keitaro Umezawa, Rudolf Griss

The development of molecular probes to visualize cellular processes is an important challenge in chemical biology. One possibility to create such cellular indicators is based on the selective labeling of proteins with synthetic probes in living cells. Over ...

2011

Semisynthetic Fluorescent Sensor Proteins Based on Self-Labeling Protein Tags

Matthias Albert Brun

Genetically encoded fluorescent sensor proteins offer the possibility to probe the concentration of key metabolites in living cells. The approaches currently used to generate such fluorescent sensor proteins lack generality, as they require a protein that ...

EPFL2011

Semisynthesis of fluorescent metabolite sensors on cell surfaces

Horst Vogel, Kai Johnsson, Joachim Piguet, Luc Reymond, Matthias Albert Brun, Kui Thong Tan, Ruud Peters, Rudolf Griss

Progress in understanding signal transduction and metabolic pathways is hampered by a shortage of suitable sensors for tracking metabolites, second messengers, and neurotransmitters in living cells. Here we introduce a class of rationally designed semisynt ...

2011

Semisynthetic fluorescent sensor proteins based on self-labeling protein tags

Kai Johnsson, Matthias Albert Brun, Marlon Hinner, Kui Thong Tan

Genetically encoded fluorescent sensor proteins offer the possibility to probe the concentration of key metabolites in living cells. The approaches currently used to generate Such fluorescent sensor proteins lack. generality, as they require a protein that ...

2009

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