Oskar Armbruster
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View article: Synthesis and Characterization of Phase-Separated Extracellular Condensates in Interactions with Cells
Synthesis and Characterization of Phase-Separated Extracellular Condensates in Interactions with Cells Open
Biomolecular condensates formed through liquid-liquid phase separation play key roles in intracellular organization and signaling, yet their function in extracellular environments remains largely unexplored. Here, we establish a model usin…
View article: Scanning probe microscopy elucidates gelation and rejuvenation of biomolecular condensates
Scanning probe microscopy elucidates gelation and rejuvenation of biomolecular condensates Open
Comprehensive understanding of dynamics and disease-associated solidification of biomolecular condensates is closely tied to analysis of their mechanical characteristics. Despite recent technical advances in rheological studies of condensa…
View article: Hot electron electrochemistry at silver activated by femtosecond laser pulses
Hot electron electrochemistry at silver activated by femtosecond laser pulses Open
A silver microelectrode with a diameter of 30 µm in an aqueous K2SO4 electrolyte was irradiated with 55 fs and 213 fs laser pulses. This caused the emission of electrons which transiently charged the electrochemical double layer. The two a…
View article: The external scent efferent system of selected European true bugs (Heteroptera): a biomimetic inspiration for passive, unidirectional fluid transport
The external scent efferent system of selected European true bugs (Heteroptera): a biomimetic inspiration for passive, unidirectional fluid transport Open
In this work, we present structured capillaries that were inspired by the microstructures of the external scent efferent system as found in different European true bug species (Pentatomidae and Cydnidae). These make use of small, orientate…
View article: Supplementary material from "The external scent efferent system of selected European true bugs (Heteroptera): a biomimetic inspiration for passive, unidirectional fluid transport"
Supplementary material from "The external scent efferent system of selected European true bugs (Heteroptera): a biomimetic inspiration for passive, unidirectional fluid transport" Open
In this work, we present structured capillaries that were inspired by the microstructures of the external scent efferent system as found in different European true bug species (Pentatomidae and Cydnidae). These make use of small, orientate…
View article: Femtosecond laser-induced microstructures on Ti substrates for reduced cell adhesion
Femtosecond laser-induced microstructures on Ti substrates for reduced cell adhesion Open
Miniaturized pacemakers with a surface consisting of a Ti alloy may have to be removed after several years from their implantation site in the heart and shall, therefore, not be completely overgrown by cells or tissue. A method to avoid th…
View article: Adaptive camouflage: What can be learned from the wetting behaviour of the tropical flatbugs<i>Dysodius lunatus</i>and<i>D. magnus</i>
Adaptive camouflage: What can be learned from the wetting behaviour of the tropical flatbugs<i>Dysodius lunatus</i>and<i>D. magnus</i> Open
The neotropical flatbug species Dysodius lunatus and Dysodius magnus show a fascinating camouflage principle. Its appearance renders the animal hardly visible on the bark of trees. However, when getting wet due to rain, bark changes its co…