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12,315 Newest Publications in langmuir

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Hierarchical Surface Patterns upon Evaporation of a ZnO Nanofluid Droplet: Effect of Particle Morphology

17-Jan-2018 | Patryk Wąsik; Christian Redeker; Thomas G. Dane; Annela M. Seddon; Hua Wu; Wuge H. Briscoe, Langmuir, 2018

Surface structures with tailored morphologies can be readily delivered by the evaporation-induced self-assembly process. It has been recently demonstrated that ZnO nanorods could undergo rapid chemical and morphological transformation into 3D complex structures of Zn(OH)2 nanofibers as a droplet ...

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Modeling Biofilm Formation on Dynamically Reconfigurable Composite Surfaces

17-Jan-2018 | Ya Liu; Anna C. Balazs, Langmuir, 2018

We augment the dissipative particle dynamics (DPD) simulation method to model the salient features of biofilm formation. We simulate a cell as a particle containing hundreds of DPD beads and specify p, the probability of breaking the bond between the particle and surface or between the particles. ...

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Surfactant-Enhanced Photoisomerization and Photomechanical Response in Molecular Crystal Nanowires

16-Jan-2018 | Fei Tong; Mingyue Liu; Rabih O. Al-Kaysi; Christopher J. Bardeen, Langmuir, 2018

Dimethyl-2(3-anthracen-9-yl)allylidene)malonate (DMAAM) is a divinylanthracene derivative that photoisomerizes between its (E) and (Z) conformations. Crystalline nanowires composed of this molecule undergo a rapid coiling motion when exposed to visible light. In this paper, a variety of ...

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Inhibition of β-Amyloid Aggregation through a Designed β-Hairpin Peptide

16-Jan-2018 | Anjali Jha; Mothukuri Ganesh Kumar; Hosahudya N. Gopi; Kishore M. Paknikar, Langmuir, 2018

Designing peptide-based drugs to target the β-sheet-rich toxic intermediates during the aggregation of amyloid-β 1-42 (Aβ1-42) has been a major challenge. In general, β-sheet breaker peptides (BSBPs) are designed to complement the enthalpic interactions with the aggregating protein, and entropic ...

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Adsorption of Catalytic Nanoparticles onto Polymer Substrates for Controlled Deposition of Microcapsule Metal Shells

16-Jan-2018 | James P. Hitchcock; Alison L. Tasker; Kirsty Stark; Andrew Leeson; Elaine A. Baxter; Simon Biggs; Olivier J. Cayre, Langmuir, 2018

Efficient encapsulation of small chemical molecules and their controlled targeted delivery provides a very important challenge to be overcome for a wide range of industrial applications. Typically rapid diffusion of these actives across capsule walls has so far prevented the development of a ...

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Drastic Swelling of Lipid Oligobilayers by Polyelectrolytes: A Potential Molecular Model for the Internal Structure of Lubricating Films in Mammalian Joints

16-Jan-2018 | Felicitas Schwörer; Marcus Trapp; Xiao Xu; Olaf Soltwedel; Joachim Dzubiella; Roland Steitz; Reiner Dahint, Langmuir, 2018

Osteoarthritis is the most common arthropathy in western civilization. It is primarily caused by the degeneration of lipid-coated cartilage, leading to increased friction in joints. Hyaluronic acid (HA), a negatively charged polysaccharide and the main component of the synovial fluid, is held ...

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Scission Free Energies for Wormlike Surfactant Micelles: Development of a Simulation Protocol, Application, and Validation for Personal Care Formulations

16-Jan-2018 | Huan Wang; Xueming Tang; David M. Eike; Ronald G. Larson; Peter H. Koenig, Langmuir, 2018

We present a scheme to calculate wormlike micelle scission free energies from a potential of mean force (PMF) derived from a weighted histogram analysis method (WHAM) applied to coarse grained dissipative particle dynamics (DPD) simulations. In contrast to previous related work, we use a ...

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A Lubricant-Sandwiched Coating with Long-Term Stable Anticorrosion Performance

16-Jan-2018 | Mizuki Tenjimbayashi; Sachiko Nishioka; Yuta Kobayashi; Koki Kawase; Jiatu Li; Jyunichiro Abe; Seimei Shiratori, Langmuir, 2018

Lubricant-infused surface(s) (LIS) bioinspired by the Nepenthes pitcher plant are receiving enormous attention owing to their excellent hydrophobicity as well as their self-healing ability. Thus, they have been applied as anticorrosion coatings. However, the loss of lubricant mediated by vapor or ...

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Shape-Dependent Dissolution and Cellular Uptake of Silver Nanoparticles

16-Jan-2018 | Christina Graf; Daniel Nordmeyer; Christina Sengstock; Sebastian Ahlberg; Jörg Diendorf; Jörg Raabe; Matthias Epple; ..., Langmuir, 2018

The cellular uptake and dissolution of trigonal silver nanoprisms (edge length 42 ± 15 nm, thickness 8 ± 1 nm) and mostly spherical silver nanoparticles (diameter 70 ± 25 nm) in human mesenchymal stem cells (hMSC’s) and human keratinocytes (HaCaT cells) were investigated. Both particles are ...

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Understanding the Nature of Amino Acid Interactions with Pd(111) or Pd–Au Bimetallic Catalysts in the Aqueous Phase

16-Jan-2018 | Madhulika Gupta; Tuhin S. Khan; Manish Agarwal; M. Ali Haider, Langmuir, 2018

The interaction of methionine (Met) with different bimetallic-segregated surfaces comprising a uniform distribution of strips and islands of Au on the Pd(111) surface was examined using molecular dynamics (MD) simulations. Out of all the segregated and uniformly doped surfaces studied, the design ...

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