A series of well-ordered, extended mesostructures has been generated from hexagonal polyurethane rods (15x3.2 mm) by self-assembly using capillary forces. The surface of one or more sides of the rods was rendered hydrophilic by exposure to an oxygen plasma. This modification determined the pattern of hydrophobic and hydrophilic faces; the hydrophobic sides were coated with a thin film of a hydr...

We present an investigation of multiple droplet growth dynamics on homogeneous and patterned surfaces during dropwise condensation. Our analysis is based three-dimensional thermal lattice Boltzmann simulations. First, we investigate the surfaces. The droplets a surface shows that lower static contact angle surface, higher condensed volume liquid. After that, discuss (a with hydrophilic hydropho...

The hydrophilic-lipophilic balance (HLB) polymers are able to directly extract polar and non-polar analytes from the aqueous samples, making them very popular for analytical separation SPE applications. However, commonly used suspension polymerization method preparing HLB is only efficiently prepare with low or medium mol percentages of hydrophilic monomer due partitioning into phase at higher ...

Amphiphilic peptide (AP), which behaves in some respects like amphiphilic surfactants, is a class of molecule that consists of a hydrophilic peptide segment and a hydrophobic domain. In water, these molecules generally self-assemble into rods with a hydrophobic core. The peptide segments outside the hydrophobic core always prefer a β-sheet conformation. As introduced in the latest reviews [23,2...

Inspired by the structure features of micelle, we attempt to synthesize a novel functionalized mesoporous silica nanosphere consisting of a hydrophobic core and a hydrophilic shell. The obtained solid materials were structurally confirmed by N(2) sorption, X-ray diffraction (XRD), and transmission electron microscopy (TEM). Their compositions were characterized by Fourier transfer infrared spec...

Raindrop impact can be a major contributor to particle mobilization for soils and other granular materials. In previous work, water repellent soils, comprised of hydrophobic particles, have been shown to exhibit greater splash erosion losses under multiple drop impact. However, the underlying principal differences in splash behavior between hydrophobic and hydrophilic granular surfaces have not...

Molecular dynamics simulations are carried out to determine the effects of channel wall structure on water and ion properties. We compare hydrophobic ~Lennard-Jones 5-3 and atomic! and molecular-hydrophilic cylindrical pores of 2–6 Å in effective radius, relevant to the study of most significant biological ion channels including gramicidin A, ACh, and potassium channels, and to the study of man...

The incorporation of neutral hydrophilic monomer units in the hydrophobic B blocks BAB copolymers produces transient networks exhibiting a thermoresponsive behavior with maximum viscosity water.

We evaluated the microstructure of the edges of currently available foldable intraocular lenses (IOLs). The methodology used assisted an IOL manufacturer (Hoya, Japan) to optimise the edge profile of its lenses. Ten designs of hydrophobic acrylic, six designs of silicone and 24 designs of hydrophilic acrylic IOLs were imaged under scanning electron microscopy (SEM), and the photographs were imp...