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Polymer-coated nanoparticles interacting with proteins and cells: focusing on the sign of the net charge.
To study charge-dependent interactions of nanoparticles (NPs) with biological media and NP uptake by cells, colloidal gold nanoparticles were modified with amphiphilic polymers to obtain NPs with… Expand
Polycarbonate and polystyrene nanoplastic particles act as stressors to the innate immune system of fathead minnow (Pimephales promelas).
- Anne-Catherine Greven, Teresa Merk, +4 authors D. Palić
- Chemistry, Medicine
- Environmental toxicology and chemistry
- 1 December 2016
Water pollution with large-scale and small-scale plastic litter is an area of growing concern. Macro-plastic litter is a well-known threat to aquatic wildlife; however, the effects of micro-sized and… Expand
Direct observation of drops on slippery lubricant-infused surfaces.
- F. Schellenberger, J. Xie, +5 authors D. Vollmer
- Materials Science, Medicine
- Soft matter
- 23 September 2015
For a liquid droplet to slide down a solid planar surface, the surface usually has to be tilted above a critical angle of approximately 10°. By contrast, droplets of nearly any liquid "slip" on… Expand
A universal scheme to convert aromatic molecular monolayers into functional carbon nanomembranes.
Free-standing nanomembranes with molecular or atomic thickness are currently explored for separation technologies, electronics, and sensing. Their engineering with well-defined structural and… Expand
Isothermal Titration Calorimetry: A Powerful Technique To Quantify Interactions in Polymer Hybrid Systems
- Khalid Chiad, Simon H. Stelzig, R. Gropeanu, T. Weil, M. Klapper, K. Müllen
- Materials Science
- 2 September 2009
Isothermal titration calorimetry (ITC) was introduced as a highly sensitive tool to analyze interactions in polymer and material science by their thermodynamic patterns. The thermodynamic parameter...
Fluorescence enhancement from individual plasmonic gap resonances.
- Marcus Schmelzeisen, Y. Zhao, M. Klapper, K. Müllen, M. Kreiter
- Materials Science, Medicine
- ACS nano
- 19 May 2010
We studied the fluorescence enhancement of a dye-loaded polyphenylene dendrimer in a gap of 2-3 nm between a silver film and single silver particles with an average diameter of 80 nm. This… Expand
Inorganic Polymeric Nanocomposites and Membranes
1 F. Guida-Pietrasanta, B. Boutevin: Polysilakylene or Silarylene Siloxanes Said "Hybrid" Silicones.- 2 o. Becker,G. P. Simon: Epoxy Layered Silicate Nanocomposites.- 3 A.L. Rusanov, D. Likhatchev,… Expand
Light- and STM-tip-induced formation of one-dimensional and two-dimensional organic nanostructures
The light-induced and tip-induced polymerization of two diacetylene derivatives has been investigated at the air/solid interface by scanning tunneling microscopy (STM). One molecule is an isophthalic… Expand
A general synthetic approach for obtaining cationic and anionic inorganic nanoparticles via encapsulation in amphiphilic copolymers.
A series of amphiphilic copolymers with variable charge densities on their backbone is synthesized. Positively charged N,N,N-trimethylammonium-2-ethyl methacrylate iodide or negatively charged… Expand
Compatibilization of laser generated antibacterial Ag- and Cu-nanoparticles for perfluorinated implant materials
The production of silver and copper particles by laser ablation in an organic solvent and their in situ functionalization with amphiphilic copolymers bearing fluorinated side chains is presented.… Expand