0000000001308367

AUTHOR

Felix Schlapp

showing 3 related works from this author

Plasmonic Nanosensors for the Label-Free Imaging of Dynamic Protein Patterns.

2020

We introduce a new approach to monitor the dynamics and spatial patterns of biological molecular assemblies. Our molecular imaging method relies on plasmonic gold nanoparticles as point-like detectors and requires no labeling of the molecules. We show spatial resolution of up to 5 μm and 30 ms temporal resolution, which is comparable to wide-field fluorescence microscopy, while requiring only readily available gold nanoparticles and a dark-field optical microscope. We demonstrate the method on MinDE proteins attaching to and detaching from lipid membranes of different composition for 24 h. We foresee our new imaging method as an indispensable tool in advanced molecular biology and biophysic…

Materials scienceCardiolipinsLipid BilayersMetal NanoparticlesNanotechnologyCell Cycle Proteins02 engineering and technology010402 general chemistry01 natural sciencesNanosensorFluorescence microscopeEscherichia coliGeneral Materials SciencePhysical and Theoretical ChemistryImage resolutionPlasmonAdenosine TriphosphatasesMicroscopyNanotubesEscherichia coli ProteinsPhosphatidylglycerols021001 nanoscience & nanotechnology0104 chemical sciencesMembraneColloidal goldTemporal resolutionPhosphatidylcholinesGoldMolecular imaging0210 nano-technologyThe journal of physical chemistry letters
researchProduct

Implantable Sensors Based on Gold Nanoparticles for Continuous Long-Term Concentration Monitoring in the Body.

2021

Implantable sensors continuously transmit information on vital values or biomarker concentrations in bodily fluids, enabling physicians to survey disease progression and monitor therapeutic success. However, currently available technologies still face difficulties with long-term operation and transferability to different analytes. We show the potential of a generalizable platform based on gold nanoparticles embedded in a hydrogel for long-term implanted biosensing. Using optical imaging and an intelligent sensor/reference-design, we assess the tissue concentration of kanamycin in anesthetized rats by interrogating our implanted sensor noninvasively through the skin. Combining a tissue-integ…

Materials scienceMechanical EngineeringAptamerDisease progressionTransferabilityMetal NanoparticlesBioengineeringNanotechnologyHydrogels02 engineering and technologyGeneral ChemistryBiosensing TechniquesProstheses and Implants021001 nanoscience & nanotechnologyCondensed Matter PhysicsRatsOptical imagingIntelligent sensorColloidal goldStill faceAnimalsGeneral Materials ScienceGold0210 nano-technologyBiosensorNano letters
researchProduct

Plasmonic Nanosensors for the Label-Free Imaging of Dynamic Protein Patterns

2020

Additional data to support our work on "Plasmonic Nanosensors for the Label-Free Imaging of Dynamic Protein Patterns" published in the Journal of Physical Chemistry Letters (DOI: 10.1021/acs.jpclett.0c01400) Movies: - S1: MinVideo_EColi.mp4 - S2: MinVideo_DOPC_DOPG_CL.mp4 - S3: MinVideo_DOPC_DOPG.mp4 Audio Files: - S1: MinSound_EColi.mp4 - S2: MinSound_DOPC_DOPG_CL.mp4 - S3: MinSound_DOPC_DOPG.mp4

Label-free NanosensorsProtein PatternsMinDE OscillationsMolecular Imaging
researchProduct