Search Results - "Butt, H. J"

Dynamic Measurement of the Force Required to Move a Liquid Drop on a Solid Surface by Pilat, D. W, Papadopoulos, P, Schäffel, D, Vollmer, D, Berger, R, Butt, H.-J

“…We measured the forces required to slide sessile drops over surfaces. The forces were measured by means of a vertical deflectable capillary stuck in the drop…”
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One-Dimensional Hypersonic Phononic Crystals by Gomopoulos, N, Maschke, D, Koh, C. Y, Thomas, E. L, Tremel, W, Butt, H.-J, Fytas, G

“…We report experimental observation of a normal incidence phononic band gap in one-dimensional periodic (SiO2/poly(methyl methacrylate)) multilayer film at…”
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Negative Thermal Expansion in Discotic Liquid Crystals of Nanographenes by Grigoriadis, C., Haase, N., Butt, H.-J., Müllen, K., Floudas, G.

“…Hexa‐peri‐hexabenzocoronene derivatives show a record high negative volumetric thermal expansion coefficient within the crystalline phase. Responsible for the…”
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Impact of atomic force microscopy on interface and colloid science by Butt, H.-J., Berger, R., Bonaccurso, E., Chen, Y., Wang, J.

“…Since its invention twenty years ago the atomic force microscope (AFM) has become one of the most important tools in colloid and interface science. The reason…”
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Dynamics of condensation and evaporation: Effect of inter-drop spacing by Sokuler, M, Auernhammer, G. K, Liu, C. J, Bonaccurso, E, Butt, H-J

“…When studying the condensation of vapor to liquid drops on solid hydrophobic surfaces the volume of drops V is found to increase linearly with time, $V\propto…”
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Conformational Transitions of Poly(l‑proline) in Copolypeptides with Poly(γ-benzyl‑l‑glutamate) Induced by Packing by Graf, R, Spiess, H. W, Floudas, G, Butt, H.-J, Gkikas, M, Iatrou, H

“…The hierarchical self-assembly and dynamics of poly(γ-benzyl-l-glutamate)-b-poly(l-proline) (PBLG-b-PLP) polypeptides are investigated with X-rays and solid…”
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Dynamics and Kinetics of Structure Formation in Molecularly Tethered Fluorocarbon/Hydrocarbon Amphiphiles by Elmahdy, M. M, Clark, C. G, Butt, H.-J, Müllen, K, Floudas, G

“…Biphasic fluorocarbon/hydrocarbon amphiphiles tethered to cores at distances commensurate with their packing requirement can provide thermodynamic pathways…”
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Influence of humidity on the nanoadhesion between a hydrophobic and a hydrophilic surface by Ptak, A., Gojzewski, H., Kappl, M., Butt, H.-J.

“…[Display omitted] ► Strong dependence of the adhesion force on the loading rate due to the uncooperative behavior of van der Waals interactions (bonds). ► The…”
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Return to work after COVID-19 infection – A Danish nationwide registry study by Jacobsen, P.A., Andersen, M.P., Gislason, G., Phelps, M., Butt, J.H., Køber, L., Schou, M., Fosbøl, E., Christensen, H.C., Torp-Pedersen, C., Gerds, T., Weinreich, U.M., Kragholm, K.

“…This study aimed to explore return to work after COVID-19 and how disease severity affects this. This is a Nationwide Danish registry–based cohort study using…”
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Solvent-Dependent Light-Induced Structures in Gem-Dichlorocyclopropanated Polybutadiene Solutions by Bogris, A, Wang, J, Anyfantakis, M, Loppinet, B, Craig, S. L, Butt, H-J, Fytas, G

“…The formation of permanent structures upon mild red laser illumination in transparent polydiene solutions is examined in the case of…”
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Hydrodynamic drainage force in a highly confined geometry: role of surface roughness on different length scales by Guriyanova, S., Semin, B., Rodrigues, T. S., Butt, H.-J., Bonaccurso, E.

“…We measured the hydrodynamic drainage force of an aqueous, Newtonian liquid squeezed between two hydrophobic or two hydrophilic surfaces by means of the…”
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Polarization dependence of plasmonic near-field enhanced photoemission from cross antennas by Klaer, P., Razinskas, G., Lehr, M., Wu, X., Hecht, B., Schertz, F., Butt, H.-J., Schönhense, G., Elmers, H. J.

“…The field enhancement of individual cross-shaped nanoantennas for normal incident light has been measured by the relative photoemission yield using a…”
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Forced dewetting dynamics of high molecular weight surfactant solutions by Truszkowska, D., Henrich, F., Schultze, J., Koynov, K., Räder, H.J., Butt, H.-J., Auernhammer, G.K.

“…[Display omitted] •Pluronic F-127 solutions have two characteristic concentrations.•Full surface coverage and micelle formation occur at different…”
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Identification of potential lockdown areas during COVID-19 transmission in Punjab, Pakistan by Saeed, U., Sherdil, K., Ashraf, U., Mohey-ud-din, G., Younas, I., Butt, H.J., Ahmad, S.R.

“…Real-time COVID-19 spread mapping and monitoring to identify lockdown and semi-lockdown areas using hotspot analysis and geographic information systems and…”
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Nanowear on Polymer Films of Different Architecture by Berger, R, Cheng, Y, Förch, R, Gotsmann, B, Gutmann, J. S, Pakula, T, Rietzler, U, Schärtl, W, Schmidt, M, Strack, A, Windeln, J, Butt, H.-J

“…In this paper, we describe atomic force microscope (AFM) friction experiments on different polymers. The aim was to analyze the influence of the physical…”
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Effects of Chain Topology on the Tracer Diffusion in Star Polyisoprenes by Cherdhirankorn, T, Floudas, G, Butt, H.-J, Koynov, K

“…Fluorescence correlation spectroscopy (FCS) was employed to study the effect of chain topology on the small tracer diffusion in linear and star-shaped…”
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Effects of Nanoscale Confinement and Pressure on the Dynamics of pODMA-b-ptBA-b-pODMA Triblock Copolymers by Gitsas, A, Floudas, G, Butt, H.-J, Pakula, T, Matyjaszewski, K

“…The effect of nanoscale confinement on the dynamics of a series of poly(n-octadecyl methacrylate)-b-poly(tert-butyl acrylate)-b-poly(n-octadecyl methacrylate)…”
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Properties of amphiphilic oligonucleotide films at the air/water interface and after film transfer by Keller, R., Kwak, M., de Vries, J.W., Sawaryn, C., Wang, J., Anaya, M., Müllen, K., Butt, H.-J., Herrmann, A., Berger, R.

“…•Self-assembly at the air/water interface into mono-, bi- and multilayers.•Preparation of highly functional thin films with DNA facing the air interface for…”
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Effect of Chain Topology on the Self-Organization and Dynamics of Block Copolypeptides: From Diblock Copolymers to Stars by Gitsas, A, Floudas, G, Mondeshki, M, Butt, H.-J, Spiess, H. W, Iatrou, H, Hadjichristidis, N

“…The effect of chain topology on (i) the peptide secondary structure, (ii) the nanophase self-assembly, and (iii) the local segmental and global peptide…”
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Organization of Charge-Carrier Pathways for Organic Electronics by Kastler, M., Pisula, W., Laquai, F., Kumar, A., Davies, R. J., Baluschev, S., Garcia-Gutiérrez, M.-C., Wasserfallen, D., Butt, H.-J., Riekel, C., Wegner, G., Müllen, K.

“…Controlling self‐organization: The chemical variation of alkyl substituents on the discotic hexa‐peri‐hexabenzocoronene allows the molecular orientation to be…”
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