pH-responsive chiral nanostructures by Jianzhong Du, Helen Willcock, Nga Sze Ieong, Rachel K. O'Reilly

Get full text

Complexation of Ni(II) by α-isosaccharinic acid and gluconic acid from pH 7 to pH 13 by Peter Warwick, Nicholas D.M. Evans, Tony Hall, Sarah Vines

“…Nickel reactions with gluconic acid (Gl) and α-isosaccharinic acid (ISA) have been investigated from pH 7 to pH 13.3. Measurement of the stoichiometries of the products of these reactions showed that NiGl and NiISA were formed at pH 10. …”
Get full text

Microencapsulation of Enteric Bacteriophages in a pH-Responsive Solid Oral Dosage Formulation Using a Scalable Membrane Emulsification Process by Gurinder K. Vinner, Kerry Richards, Miika Leppanen, Antonia P. Sagona, Danish Malik

“…A scalable low-shear membrane emulsification process was used to produce microencapsulated Escherichia coli-phages in a solid oral dosage form. Uniform pH-responsive composite microparticles (mean size ~100 µm) composed of Eudragit® S100 and alginate were produced. …”
Get full text

Geo-electrical characterisation for CO2 sequestration in porous media by Kazeem Rabiu, Luqman K. Abidoye, Diganta Das

“…Factors investigated include pH, pressure, temperature, salinity, salt type and the materials of the porous media. …”
Get full text

Uranium solubility, speciation and complexation at high pH by Mark Sutton

“…Studies have also been perforined to measure uranium sorption by grout material at high pH in the presence of the above ligands. …”
Get full text

Chitosan and Poly (Vinyl Alcohol) microparticles produced by membrane emulsification for encapsulation and pH controlled release by Serena Morelli, Richard Holdich, Marijana Dragosavac

Get full text

The complexation of Tc(IV) with EDTA and picolinic acid at high pH by Nick Evans, Ricky Hallam

“…In the UK, technetium may be disposed of in a high pH, low Eh cementitious repository. In such a scenario, its chemistry would be dominated by TcO4−, in aerobic conditions and the sparingly soluble TcO2(s) in anaerobic conditions. …”
Get full text

Degradation of tetraphenylphosphonium bromide at high pH and its effect on radionuclide solubility by S. Aldridge, Peter Warwick, Nick Evans, Sarah Vines

“…Recently, tetraphenylphosphonium bromide (TPPB) has been used to remove technetium from some radioactive waste streams. …”
Get full text

Investigation of uranium redox chemistry and complexation across the pH range by cyclic voltammetry by Mei Chew

“…The main aim of this project is to use cyclic voltammetry to deduce peak potentials for the various uranium redox couples in aqueous solution across the pH range and in particular the hyperalkaline range, as the surroundings of a GDF will be in high pH conditions. …”
Get full text

Electrospinning of stimuli-responsive polymers for controlled drug delivery: pH- and temperature-driven release by Leah Williams, Fiona Hatton, Helen Willcock, Elisa Mele

“…In particular, the use of responsive polymers for the controlled delivery of drugs and bioactive compounds has been heavily researched. This review provides an overview of the recent advancements in electrospinning of temperature- and pH-responsive polymers to create networks of nanofibres with controlled drug delivery profiles for biomedical applications.…”
Get full text

CO2 trapping and geo-electrical characterisation in the context of geological carbon sequestration by Kazeem Rabiu

Get full text

Engineering bacteriophage encapsulation processes to improve stability and controlled release using pH responsive formulations by Gurinder K. Vinner

“…To overcome this challenge and improve the stability of phage during encapsulation and storage, this PhD research has been conducted. pH responsive polymers, Eudragit and alginate were used to develop composite microparticles which protected phage from acidic pH (pH 1-3). …”
Get full text

Sustained dechlorination of vinyl chloride to ethene in dehalococcoides-enriched cultures grown without addition of exogenous vitamins and at low pH by Luz A Puentes Jácome, Po-Hsiang Wang, Olivia Molenda, Yi Xuan Jine-Jine Li, Ahsan Islam, Elizabeth A Edwards

“…Sustained dechlorination of VC to ethene was achieved at pH as low as 5.5. Below pH 5.0, dechlorination was not stimulated by DMB supplementation but was restored by raising pH to neutral. …”
Get full text

Development of design methods for lamella separators by P.H. Poh

Get full text

The sustainability of CLTS in WaterAid’s program in Timor-Leste by P.H. Dwan

Get full text

Design and technology educational research and curriculum development: the emerging international research agenda by E.W.L. Norman, P.H. Roberts

Get full text

An assessment of the wear characteristics of microcutting arrays produced from polycrystalline diamond and cubic boron nitride composites by Manuela Pacella, D.A. Axinte, P.W. Butler-Smith, P.H. Shipway, M. Daine, C. Wort

Get full text

One step closer to coatings applications utilizing self-stratification: effect of rheology modifiers by Tim Murdoch, Baptiste Quienne, Maialen Argaiz, Radmila Tomovska, Edgar Espinosa, Franck D’Agosto, Muriel Lansalot, Julien Pinaud, Sylvain Caillol, Nacho Martin-Fabiani-Carrato

“…Self-stratification of model blends of colloidal spheres has recently been demonstrated as a method to form multifunctional coatings in a single pass. …”
Get full text

Effects of bis (3-triethoxysilylpropyl) testrasulphane (TESPT) on properties of silica filled natural rubber compounds by Rishi Nijhawan

“…Traditionally carbon black has been used as the reinforcing filler by the rubber industry. …”
Get full text

PPP projects: Improvements in stakeholder management by CHIKA Amadi, Patricia Carrillo, Martin Tuuli

Get full text

Radionuclide interactions with materials relevant to a geological disposal facility by Oliver Preedy

“…Fe1-xO, Fe2O3, Fe3O4 (from steel corrosion) and sandstone (bedrock) used as physical barriers in the GDF have been treated using solutions of pH 7-13 which are representative of the leachate expected from concrete encapsulation of waste in contact with ground water. …”
Get full text

Physico-chemical aspects of anatase retention during papermaking by Joseph L. Pearson

“…By using electrophoretic, streaming potential and adsorption techniques a study of the effect of pH, rosin size, aluminium sulphate and various physical parameters on the electrokinetics of the system has been made. …”
Get full text

Passivation treatments for metals using group via metal oxy-anions by Dogara Bijimi

“…It has been found that passivity is favoured between 0.1 - lM oxy-an.ion concentration and pH 7 - 11. …”
Get full text

Penicillin G solubilisation into AOT reverse micelles by Siti H. Mohd-Setapar, Richard J. Wakeman, Steve Tarleton

“…Extraction of penicillin G from an aqueous phase into an organic phase containing AOT reverse micelles has been investigated. The extraction is influenced by the initial penicillin G concentration, the salt type and concentration in the aqueous phase, pH, and surfactant concentration. …”
Get full text

Stability constants of uranium(IV)-α-isosaccharinic acid and gluconic acid complexes by Peter Warwick, Nick Evans, Tony Hall, Sarah Vines

“…Conditional and pH independent stability constants have been determined for U(IV) α-isosaccharinic acid (ISA) and gluconic acid (Gl) complexes, under anaerobic and carbonate-free conditions, from pH 3 to 14. …”
Get full text

Preparation and properties of granular ferric hydroxide as an adsorbent in potable water treatment by Nichola Newton

“…Three iron oxide materials have been studied for uptake of three anions (arsenate, phosphate and fluoride) and a cation (cadmium) from aqueous solutions. …”
Get full text

Studies on some divalent metal α-isosaccharinic acid complexes by Peter Warwick, Nick Evans, Sarah Vines

“…At pH 7 each complex was of the form M1ISA1, with log β values suggestive of salt formation. …”
Get full text

Interactions of radionuclides with cellulose degradation products by Charlotte Rebecca Heath

“…Thorium was the main radionuclide investigated as the solubility of tetravalent actinides in the near field of a nuclear waste repository at high pH and low Eh has been shown to increase in the presence of such ligands. …”
Get full text

Effects of porosity on drug release kinetics of swellable and erodible porous pharmaceutical solid dosage forms fabricated by hot melt droplet deposition 3D printing by Bin Zhang, Jehad Nasereddin, Thomas McDonagh, Didier von Zeppelin, Andy Gleadall, Fahad Alqahtani, Richard Bibb, Peter Belton, Sheng Qi

“…Although using porosity to alter drug release kinetics has been proposed in the literature, the effects of porosity on the swellable and erodible porous solid dosage forms have not been explored. …”
Get full text

Extraction of lutetium (III) from aqueous solutions by employing a single fibre supported liquid membrane by Tatjana M. Trtic-Petrovic, Ksenija R. Kumric, Jelena S. Dordevic, Goran Vladisavljevic

“…Transport behaviour of Lu(III) across a polypropylene hollow fibre-supported liquid membrane containing di(2-ethylhexyl)phosphoric acid (DEHPA) in dihexyl ether as a carrier has been studied. The donor phase was LuCl3 in the buffer solution consisting of 0.2 M sodium acetate at pH 2.5–5.0. …”
Get full text

Competing surface reactions limiting the performance of ion-sensitive field-effect transistors by Ralph L. Stoop, Mathias Wipf, Steffen Muller, Kristine Bedner, Iain Wright, Colin J. Martin, Edwin C. Constable, Wangyang Fu, Alexey Tarasov, Michel Calame, Christian Schonenberger

“…All rights reserved.Ion-sensitive field-effect transistors based on silicon nanowires are promising candidates for the detection of chemical and biochemical species. These devices have been established as pH sensors thanks to the large number of surface hydroxyl groups at the gate dielectrics which makes them intrinsically sensitive to protons. …”
Get full text

Application of nanofiltration processes to fluoride removal from groundwaters in the Chiang Mai Basin by Yasuhiro Matsui, Tomoko Takeda, Satoshi Takizawa, Aunnop Wongrueng, Suraphong Wattanachira

“…The highly concentrated fluoride in groundwater has been observed in the confined aquifers of the alluvial sediments in the Chiang Mai Basin. …”
Get full text

Selective adsorption of ionic species using macroporous monodispersed polyethylene glycol diacrylate/acrylic acid microgels with tunable negative charge by Minjun Chen, Ksenija R. Kumrić, Conner Thacker, Radivoje Prodanović, Guido Bolognesi, Goran Vladisavljevic

“…Monodispersed polyethylene glycol diacrylate (PEGDA)/acrylic acid (AA) microgels with a tuneable negative charge and macroporous internal structure have been produced using a Lego-inspired droplet microfluidic device. …”
Get full text

Electrochemical, spectrophotometric, electroanalytical and electrochemical quartz crystal microbalance studies of some redox-active films by Roy C. Millward

“…In the present work, Prussian Blue and carbon coated electrodes have been investigated as possible electrochemical sensors for ascorbic acid and pH, respectively. …”
Get full text

Quality assessment of drinking water with HCPTA by Nasir Khalid

“…Physicochemical parameters of extraction method have been optimized with respect to pH, extractant concentration, equilibration time and additional cations and anions. …”
Get full text

Aspects of the electrochemical behaviour of iron and mild steel by Robert D. Boalch

“…Using these methods the corrosion of both iron and mild steel in lM sodium perchlorate under neutral pH conditions has been investigated. The effect of ions encountered in natural waters has also been explored, by addition to the base electrolyte. …”
Get full text

Molybdate-based passivation treatments for tin, tinplate and zinc by G.D. Wilcox

“…The cathodic polarisation characteristics of zinc in group (VIA) oxy-anion solutions has been studied quantitatively. The effect of temperature, pH and aeration has been examined. …”
Get full text

Enhanced bio-production from CO2 by microbial electrosynthesis (MES) with continuous operational mode by Paniz Izadi, Jean-Marie Fontmorin, Swee Su Lim, Ian Head, Eileen Yu

“…Microbial electrosynthesis (MES) has been shown a promising technique to synthesize organic products particularly acetate using microorganisms and electrons. …”
Get full text

A study of charge and hydrodynamic effects in protein ultrafiltration by Nils O. Becht

“…Thus, investigations which can aid understanding and potentially reduce membrane fouling are of particular interest and in this study the problem has been addressed from several different angles Polyethersulfone membranes were studied at varying pH and two ionic strengths using bovine serum albumm and lysozyme as the model proteins. …”
Get full text

A study of the mechanism of the solvent extraction of metal ions by carboxylic acids by Alan D. Jones

“…A study of the species involved in the extraction of metal ions from aqueous solutions into organic solvents with long-chain carboxylic acids has been made. The theoretical analysis of the extraction data in terms of a single equilibrium approach and a multiple equilibria method has been made. …”
Get full text

Adsorption of trace toxic metals by Azolla filiculoides from aqueous solution by Peter J. Lloyd-Jones

“…Chemical characterisation included direct titrations, revealing a gradual dissociation of acidic groups as the pH increased within the experimental range. Kjeldahl nitrogen and amino acid analysis of several biological materials that have been used in metal sorption experiments showed A. filiculoides as having a large proportion of these cell constituents. …”
Get full text

Physico-chemical aspects of rosin emulsion sizing of paper by Darren K. Swales

“…By using microelectrophoresis and laboratory prepared handsheets, a study of the effect of pH, certain metal salts, and various physical parameters on the overall electrokinetics and sizing efficiency of the system has been made. …”
Get full text

Microparticles for oral delivery and cell encapsulation using membrane emulsification by Serena Morelli

“…Microparticles have been extensively investigated for pharmaceutical applications, more specifically they have been widely applied as carrier of drug molecules, proteins, enzymes, DNA and cells. …”
Get full text

Multi-layer scaffolds of poly(Caprolactone), poly(glycerol sebacate) and bioactive glasses manufactured by combined 3d printing and electrospinning by Adja Toure, Elisa Mele, Jamieson Christie

“…Fibrous mats of poly (caprolactone) (PCL) and poly (glycerol sebacate) (PGS) have been directly electrospun on one side of 3D-printed grids of PCL-PGS blends containing bioactive glasses (BGs). …”
Get full text

PH-switchable stratification of colloidal coatings: surfaces "on demand" by Ignacio Martin-Fabiani, Andrea Fortini, Jennifer Lesage de la Haye, Ming L. Koh, Spencer E. Taylor, Elodie Bourgeat-Lami, Muriel Lansalot, Franck D'Agosto, Richard P. Sear, Joseph L. Keddie

“…Although time-savings are offered by self-assembly approaches, there have been no methods yet reported to offer stratification on demand. …”
Get full text

CO mass transfer induced through an airlift loop by a microbubble cloud generated by fluidic oscillation by Mahmood K.H. Al-Mashhadani, Hemaka Bandulasena, William B. Zimmerman

“…Removal of carbon dioxide from these processes can influence the direction of biological reactions as well as the pH of the medium, which affects bacterial metabolism. …”
Get full text

A tunable nanopore sensor for the detection of metal ions using translocation velocity and biphasic pulses by Laura Mayne, Steven Christie, Mark Platt

“…A Tunable Resistive Pulse Sensor utilising a Polyurethane nanopore, has been used to characterise nanoparticles as they traverse the pore opening. …”
Get full text

Polymers in microfluidics by Louise M. Barrett

“…There is great interest in miniaturized analytical systems for life science research, the clinical environment, drug discovery, biotechnology, quality control, and environmental monitoring and numerous articles have been written which predict the success of microfluidic based systems. …”
Get full text

Developments in platinum electroplating for aero-engine applications by Seyed E. Hadian

“…The electro-deposition of platinum on mild steel and nimonic alloys substrates using more than twenty baths have been investigated. It has been shown that the cell efficiency can be improved markedly with lower current density, pH value and plating temperature. …”
Get full text

Adsorption of toxic metals from water using commercial and modified granular and fibrous activated carbons by J.R. Rangel-Mendez

“…Commercial granular and fibrous activated carbons have been studied for the removal of heavy metals from aqueous solutions. …”
Get full text