Publications by authors named "M O Tholen"

Neuroscience has examined the brain processes of recognizing and identifying a known person. But the process of integrating the representation of a temporarily unrecognised person with the representation of the familiar person is not yet known (e.g.

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Super-resolution microscopy and Single-Molecule Localization Microscopy (SMLM) are powerful tools to characterize synthetic nanomaterials used for many applications such as drug delivery. In the last decade, imaging techniques like STORM, PALM, and PAINT have been used to study nanoparticle size, structure, and composition. While imaging has progressed significantly, image analysis has often not advanced accordingly and many studies remain limited to qualitative and semi-quantitative analyses.

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Article Synopsis
  • Researchers explore collective behavior in systems chemistry using polymersome stomatocytes loaded with urease, demonstrating basic stigmergy-based communication.
  • These stomatocytes can produce, receive, and respond to signals by clustering due to pH-sensitive interactions between specific chemical groups on their surfaces.
  • The clustering behavior occurs at a pH of 6.3 to 7.3 and displays oscillations: as pH rises from urease activity, the clusters disassemble, but can reform once conditions stabilize, highlighting potential for cooperative tasks among active colloids.
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Biosensors based on immobilized antibodies require molecular strategies that (i) couple the antibodies in a stable fashion while maintaining the conformation and functionality, (ii) give outward orientation of the paratope regions of the antibodies for good accessibility to analyte molecules in the biofluid, and (iii) surround the antibodies by antibiofouling molecules. Here, we demonstrate a method to achieve oriented coupling of antibodies to an antifouling poly(l-lysine)--poly(ethylene glycol) (PLL--PEG) substrate, using glycan remodeling to create antibody-DNA conjugates. The coupling, orientation, and functionality of the antibodies were studied using two analysis methods with single-molecule resolution, namely single-molecule localization microscopy and continuous biosensing by particle motion.

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