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While evaporating solvent is a widely used technique to assemble nano-sized objects into desired superstructures, there has been limited work on how the assembled structures are affected by the physical aspects of the process. We present…

Soft Condensed Matter · Physics 2013-11-20 Shengfeng Cheng , Gary S. Grest

We explore the pressure versus temperature phase diagram of dimeric Janus nanoparticles using Molecular Dynamics simulations. The nanoparticle was modeled as a dumbbells particle, and have one monomer that interacts by a standard Lennard…

Soft Condensed Matter · Physics 2015-04-29 José Rafael Bordin , Leandro B. Krott , Marcia C. Barbosa

Micro/nanoporous membranes have been used extensively in biological and medical applications associated with filtration, particle sorting, cell separation, and real-time sensing. Expanding its applications to microfluidics offers several…

Intricate biomineralization processes in molluscs engineer hierarchical structures with meso-, nano-, and atomic architectures that give the final composite material exceptional mechanical strength and optical iridescence on the macroscale.…

Experimental investigations of hydrophobic/water interfaces often return controversial results, possibly due to the unknown role of gas accumulation at the interfaces. Here, during advanced atomic force microscopy of the initial evolution…

Mesoscale and Nanoscale Physics · Physics 2015-12-29 Ing-Shouh Hwang , Chung-Kai Fang , Hsien-Chen Ko , Chih-Wen Yang , Yi-Hsien Lu

The ability to design artificial micro/nanomachines able to perform sophisticated tasks crucially depends on the understanding of their interaction with biosystems and their compatibility with the biological environment. Here, Janus…

Soft Condensed Matter · Physics 2024-03-18 Florent Fessler , Martin Wittman , Juliane Simmchen , Antonio Stocco

An understanding of the hydrophobicity of complex heterogeneous molecular assemblies is crucial to characterize and predict interactions between biomolecules. As such, uncovering the subtleties of assembly processes hinges on an accurate…

Soft Condensed Matter · Physics 2015-02-20 Richard C. Remsing , John D. Weeks

Due to the combined effect of anisotropic interactions and activity, Janus swimmers are capable to self-assemble in a wide variety of structures, many more than their equilibrium counterpart. This might lead to the development of novel…

Soft Condensed Matter · Physics 2019-06-26 Francisco Alarcon , Eloy Navarro-Argemí , Chantal Valeriani , Ignacio Pagonabarraga

Self-limiting assembly of particles represents the state-of-the-art controllability in nanomanufacturing processes where the assembly stops at a designated stage1,2, providing a desirable platform for applications requiring delicate…

Atomic and Molecular Clusters · Physics 2021-11-02 Liang Zhao , Bchara Sidnawi , Jichao Fan , Ruiyang Chen , Thomas Scully , Scott Dietrich , Weilu Gao , Qianhong Wu , Bo Li

Small composite objects, known as Janus particles, drive sustained scientific interest primarily targeted at biomedical applications, where such objects act as micro- or nanoscale actuators, carriers, or imaging agents. The major practical…

Hydrophobic solid-water interfaces underpin processes in nanofluidics, electrochemistry, and energy technologies. Microscopic insights into these systems are often inferred from our understanding of the air-water interface, which is assumed…

We investigate the equilibrium orientation and adsorption process of a single, ellipsoidal Janus particle at a fluid-fluid interface. The particle surface comprises equally sized parts that are hydrophobic or hydrophilic. We present free…

Soft Condensed Matter · Physics 2020-09-30 Florian Günther , Qingguang Xie , Jens Harting

Self-assembly processes allow us to design and create complex nanostructures using molecules as building blocks and surfaces as scaffolds. This autonomous driven construction is possible due to a complex thermodynamic balance of…

Mesoscale and Nanoscale Physics · Physics 2017-09-06 Sabrina Simoncelli , Yi Li , Emiliano Cortés , Stefan A. Maier

Elastic sheets with macroscopic dimensions are easy to deform by bending and stretching. Yet shaping nanometric sheets by mechanical manipulation is hard. Here we show that nanoparticle self-assembly could be used to this end. We…

Soft Condensed Matter · Physics 2015-05-20 Josep C. Pàmies , Angelo Cacciuto

Nanoparticles with hydrophobic capping ligands and amphiphilic phospholipids are both found to self-assemble into monolayer films when deposited on the air water interface. By separately measuring the anisotropic stress response of these…

Interfaces are a most common motif in complex systems. To understand how the presence of interfaces affect hydrophobic phenomena, we use molecular simulations and theory to study hydration of solutes at interfaces. The solutes range in size…

Soft Condensed Matter · Physics 2014-09-05 Amish J. Patel , Patrick Varilly , Sumanth N. Jamadagni , Hari Acharya , Shekhar Garde , David Chandler

The development of synthetic microswimmers has advanced our understanding of the fundamental self-propelled mechanisms of living systems. However, there are scarce studies at the microscale within highly structured anisotropic media, such…

Soft Condensed Matter · Physics 2024-05-08 Antonio Tavera-Vázquez , Andrés Córdoba , Sam Rubin , Vincenzo Vitelli , Juan J. de Pablo

Hypothesis: Particle-laden fluid interfaces are the central component of many natural and engineering systems. Understanding the mechanical properties and improving the stability of such interfaces are of great practical importance. Janus…

Soft Condensed Matter · Physics 2022-07-01 Yiming Qiao , Xiaolei Ma , Zhengyang Liu , Michael A. Manno , Nathan C. Keim , Xiang Cheng

Janus particles, with their intrinsic asymmetry, are attracting major interest in various applications, including emulsion stabilization, micro/nanomotors, imaging, and drug delivery. In this context, Janus polymersomes are particularly…

Soft Condensed Matter · Physics 2026-01-13 Eloise Equy , Emmanuel Ibarboure , Eric Grelet , Sebastien Lecommandoux

Nanoscopic pores are used in various systems to attract nanoparticles. In general the behaviour is a result of two types of interactions: the material specific affinity and the solvent-mediated influence also called the depletion force. The…

Soft Condensed Matter · Physics 2018-03-02 Julien Lam , James F. Lutsko