-
Polymer-surfactant adsorption at the oil-water interface
Polymer-surfactant stabilised emulsion droplets are a potentially exciting route for micro-encapsulation of volatile agents (such as perfumes, flavours and many other benefit... -
Surface adsorption in hydrophobin and hydrophobin / surfactant mixtures
Hydrophobins are secreted fungal proteins and are small lipopeptide biosurfactants. They are strongly surface active and self-assemble at interfaces. Their unique film forming... -
Impact of multivalent counterions on surfactant self-assembly
We request SANS beam time on LOQ to study the impact of multivalent counterions on the micellisation of alkyloxyethylene sulfate surfactants and alkyloxyethylene sulphate /... -
Variable Temperature studies of an anomalous proton sponge benzoic acid co-cr...
As part of a long-running programme, we have identified many co-crystallisation systems producing hydrogen-bonded molecular complexes yielding fascinating X-ray diffraction and... -
Adsorption maxima at the solid/liquid interface
Adsorption maxima have been reported for adsorption at the hydrophilic solid/water interface based on measurements on powders and solution analysis. Many would claim that this... -
Neutron Reflectivity Study of NeutrAvidin Immobilised onto Ti Implant Surfaces
We ask for 3 days of beam time on Inter/SURF to study the adsorption and adlayer characteristics of avidin on Ti surfaces, relevant for biomedical applications, such as... -
Interaction of a cationic surfactant with rigid oligoanions
The interaction of small polyelectrolytes or oligoions with surfactants appears to follow a model that we have recently established for large polyelectrolytes but the smaller... -
The use of surfactant structure to control self-assembly induced by the addit...
This proposal is part of a major EPSRC (EP/GR065705)/Unilever funded programme to develop and control the spontaneous formation of surfactant multilayer structures at... -
Effect of Concentration Charge and Ionic Strength on Adsorption of Small Part...
Despite the wide practical interest in particulate colloids there have been few studies that exploit the advantages of reflection and neutron scattering to study adsorption of... -
Cation site disorder in KTiOPO4 isostructures
KTiOPO4 (KTP) is a well known non-linear optical material. Its crystal structure has highly asymmetric Ti-O bonds, a rigid TiO6-PO4 lattice and K cations trapped in cages. The... -
Stabilization of anisotropic pigment particles: Reflectivity
We wish to determine the effect of various stabilisers on anisotropic pigment particles that are being developed for use in liquid crystal composites. We will investigate the... -
Surfactant mixing at hydrophilic solid/liquid interfaces: (A) air/water measu...
The overall objective is to model the amount and composition of adsorbed mixtures of three types of zwitterionic surfactant and two charged surfactants at the silica/water... -
Relation between surface tension and adsorbed amount of proteins at the air/w...
The surface tension of proteins often exhibits a reproducible lagtime, which is sensitiv to a range of conditions such as concentration, pH, ionic strength. We have also found... -
Kinetics of surfactant multilayer formation / dissolution at interfaces
The spontaneous formation of multilayer structures at surfaces and interfaces from self-assembly in mixed surfactant and in polymer / surfactant mixtures are being increasingly... -
Neutron diffraction on Small samples of Functional Materials
High pressure high temperature synthesis has proved a fruitful route to new materials. Though an inherently powerful technique the amount of sample produced is often limited to... -
Complex evolution of solution microstructure in LAS / nonionic surfactant mix...
This proposal is part of a broad programme of collaborative research between RAL / Oxford and Unilever, using predominantly scattering techniques to investigate the nature of... -
The structures of PZT in its ¿rhombohedral¿ phases and their dependence on th...
In the piezoelectric ceramic material PbZrxTi1-xO3 (PZT) there is controversy about the structure of PZT at the Zr-rich end. This region has always been considered to be of... -
The effect of Aluminium on the deformation mechanisms in Titanium
The aim of this experiment is to study the effect of Aluminium (Al) on deformation mechanisms in Titanium (Ti) alloys with a particular emphasis on studying twinning. Titanium... -
Unusual structural change in geminis above the critical micelle concentration
gemini surfactants are essentially two surfactants joined by a linking chain. We have extensively explored cationic geminis at the air/water interface and they exhibit a range... -
The effect of phospholipid on the adsorption of HSA at a solid surface
As part of a project concerning the fate of nanoparticles in the body we have been studying the kinetic and competitive (or cooperative) aspects of protein adsorption. HSA is...
