Search Results - "Wixforth, Achim"
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The activity of the intrinsically water-soluble enzyme ADAMTS13 correlates with the membrane state when bound to a phospholipid bilayer
Published in Scientific reports (28-12-2021)“…Membrane-associated enzymes have been found to behave differently qualitatively and quantitatively in terms of activity. These findings were highly debated in…”
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Dynamic Studies on Kinetic H2/D2 Quantum Sieving in a Narrow Pore Metal–Organic Framework Grown on a Sensor Chip
Published in Chemistry : a European journal (14-08-2019)“…The separation of deuterium from hydrogen still remains a challenging and industrially relevant task. Compared to traditional cryogenic methods for separation,…”
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Vibration enhanced cell growth induced by surface acoustic waves as in vitro wound-healing model
Published in Proceedings of the National Academy of Sciences - PNAS (15-12-2020)“…We report on in vitro wound-healing and cell-growth studies under the influence of radio-frequency (rf) cell stimuli. These stimuli are supplied either by…”
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Dynamic modulation of photonic crystal nanocavities using gigahertz acoustic phonons
Published in Nature photonics (01-10-2011)“…Photonic crystal membranes provide a versatile planar platform for on-chip implementations of photonic quantum circuits 1 , 2 , 3 . One prominent quantum…”
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Scalable fabrication of a hybrid field-effect and acousto-electric device by direct growth of monolayer MoS2/LiNbO3
Published in Nature communications (23-10-2015)“…Lithium niobate is the archetypical ferroelectric material and the substrate of choice for numerous applications including surface acoustic wave radio…”
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Microfluidic mixing via acoustically driven chaotic advection
Published in Physical review letters (25-01-2008)“…Mixing presents a notoriously difficult problem in small amounts of fluids. Herein, surface acoustic waves provide a convenient technique to generate…”
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Dynamic acousto-optic control of a strongly coupled photonic molecule
Published in Nature communications (05-10-2015)“…Strongly confined photonic modes can couple to quantum emitters and mechanical excitations. To harness the full potential in quantum photonic circuits,…”
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Fission of Lipid-Vesicles by Membrane Phase Transitions in Thermal Convection
Published in Scientific reports (11-12-2019)“…Unilamellar lipid vesicles can serve as model for protocells. We present a vesicle fission mechanism in a thermal gradient under flow in a convection chamber,…”
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Detection of x rays by a surface acoustic delay line in contact with a diamond crystal
Published in Applied physics letters (29-03-2021)“…In this study, we present proof of concept for an x-ray detector. The hybrid device consists of a synthetic single crystal diamond in mechanical contact with a…”
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Dynamic Acoustic Control of Individual Optically Active Quantum Dot-like Emission Centers in Heterostructure Nanowires
Published in Nano letters (14-05-2014)“…We probe and control the optical properties of emission centers forming in radial heterostructure GaAs-Al0.3Ga0.7As nanowires and show that these emitters,…”
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GaN Heterostructures as Innovative X-ray Imaging Sensors-Change of Paradigm
Published in Micromachines (Basel) (19-01-2022)“…Direct conversion of X-ray irradiation using a semiconductor material is an emerging technology in medical and material sciences. Existing technologies face…”
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Directional and Dynamic Modulation of the Optical Emission of an Individual GaAs Nanowire Using Surface Acoustic Waves
Published in Nano letters (13-04-2011)“…We report on optical experiments performed on individual GaAs nanowires and the manipulation of their temporal emission characteristics using a surface…”
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Combined electrical transport and capacitance spectroscopy of a MoS2-LiNbO3 field effect transistor
Published in Applied physics letters (09-01-2017)“…We have measured both the current-voltage ( I SD - V GS ) and capacitance-voltage (C- V GS ) characteristics of a MoS2-LiNbO3 field effect transistor. From the…”
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14
Hematocrit and flow rate regulate the adhesion of platelets to von Willebrand factor
Published in Biomicrofluidics (01-11-2013)“…Primary hemostasis and blood clotting is known to be influenced by the red blood cell volume fraction (hematocrit) in blood. Depressed or elevated levels of…”
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Magneto-mechanical mixing and manipulation of picoliter volumes in vesicles
Published in Lab on a chip (01-01-2009)“…Superparamagnetic beads in giant unilamellar vesicles are used to facilitate magnetic manipulation, positioning, agitation and mixing of ultrasmall liquid…”
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Controllable Acoustic Mixing of Fluids in Microchannels for the Fabrication of Therapeutic Nanoparticles
Published in Micromachines (Basel) (02-09-2016)“…Fifteen years ago, surface acoustic waves (SAW) were found to be able to drive fluids and numerous applications in microfluidics have been developed since…”
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Intake of silica nanoparticles by giant lipid vesicles: influence of particle size and thermodynamic membrane state
Published in Beilstein journal of nanotechnology (23-12-2014)“…The uptake of nanoparticles into cells often involves their engulfment by the plasma membrane and a fission of the latter. Understanding the physical…”
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Highly uniform, strongly correlated fluorinated lipid nanodomains embedded in biological membrane models
Published in Applied physics letters (24-11-2008)“…Synthetic, fluorinated lipids incorporated into phospholipid membranes form highly uniform self-assembled lipid nanodomains. The size of nanodomains beyond…”
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Exploring the Limits of Cell Adhesion under Shear Stress within Physiological Conditions and beyond on a Chip
Published in Diagnostics (Basel) (21-10-2016)“…Cell adhesion processes are of ubiquitous importance for biomedical applications such as optimization of implant materials. Here, not only physiological…”
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A surface acoustic wave-driven micropump for particle uptake investigation under physiological flow conditions in very small volumes
Published in Beilstein journal of nanotechnology (09-02-2015)“…Static conditions represent an important shortcoming of many in vitro experiments on the cellular uptake of nanoparticles. Here, we present a versatile…”
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