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Now showing items 21-40 of 720

Analytical approach for solving population balances: a homotopy perturbation method

Kaur, Gurmeet; Singh, Randhir; Singh, Mehakpreet; Kumar, Jitendra; Matsoukas, Themis (IOP Publsihing, 2019)

.In the present work, a new approach is proposed for finding the analytical solution of population balances for aggregation and fragmentation process. This approach is relying on the idea of the homotopy perturbation method ...
Anchoring and packing of self-assembled monolayers of semithio-bambusurils on Au(111)

Kunturu, Pramod Patil; Kap, Özlem; Sotthewes, Kai; Cazade, Pierre-André; Zandvliet, Harold J. W.; Thompson, Damien; Reany, Ofer; Huskens, Jurriaan (Royal Society of Chemistry, 2020)

Semithio-bambusurils are a unique family of anion-binding host macrocycles that form self-assembled monolayers (SAMs) on Au(111). SAMs of semithio-bambusĳn]uril homologs with different cage sizes (1: n = 4; 2: n = 6) ...
Annealing environment effects on the electrochemical behavior of supercapacitors using Ni foam current collectors

Jadhav, Vijaykumar V.; Kore, Ronan M.; Thorat, Nanasaheb D.; Yun, Je Moon; Ho Kim, Kwang; Mane, Rajaram S.; O'Dwyer, Colm (IOP Publishing, 2018)

Nickel (Ni) foam-based symmetric/asymmetric electrochemical supercapacitors benefit from a randomly 3D structured porous geometry that functions as an active material support and as a current collector. The surface composition ...
Anodic formation of nanoporous indium phosphide in KOH electrolytes: effects of temperature and concentration

Quill, Nathan; Buckley, Noel; O’Dwyer, Colm; Lynch, Robert P. (Electrochemical Society, 2019)

Anodization of n-InP electrodes was carried out over a range of temperatures and KOH concentrations. Scanning electron microscopy showed <111>A aligned pore growth with pore width decreasing as the temperature was increased. ...
The antibacterial effects of zinc ion migration from zinc-based glass polyalkenoate cements

Boyd, D.; Li, H.; Tanner, David A.; Towler, M.R.; Wall, J.G. (Springer, 2006)

Zinc-based glass polyalkenoate cements have been synthesised and their potential use in orthopaedic applications investigated. Zinc ions were released from the materials in a rapid burst over the first 24 h after synthesis, ...
Application of KOH modiﬁed seaweed hydrochar as a biosorbent of vanadium from aqueous solution: characterisations, mechanisms and regeneration capacity

Ghanim, Bashir; O'Dwyer, Thomas F.; Leahy, James J.; Willquist, Karin; Courtney, Ronan; Pembroke, Tony; Murnane, John G (Elsevier, 2020)

Vanadium exists as a mobile and toxic trace metal in many alkaline residue leachates. Its removal and recovery not only reduces a global environmental risk but is also critical to the emergence of innovative technologies ...
Application of multiple residual stress determination methods to coarse-grained biomedical implant castings

Conroy, Brian P.; Traoré, Yéli; Paddea, Sanjooram; Kelleher, Joe; Tanner, David A. (Taylor and Francis, 2017)

ASTM F75 femoral knee implant components distort during manufacture due to residual stress re-distribution or inducement. X-ray diffraction, neutron diffraction, centre-hole drilling and the contour method residual stress ...
APTES duality and nanopore seed regulation in homogeneous and nanoscale-controlled reduction of Ag shell on SiO2 microparticle for quantifiable single particle SERS

Rice, Daragh; Mouras, Rabah; Gleeson, Matthew; Liu, Ning; Tofail, Syed A.M.; Soulimane, Tewfik; Silien, Christophe (American Chemical Society, 2018)

Noble-metal nanoparticles size and packing density are critical for sensitive surface-enhanced Raman scattering (SERS) and controlled preparation of such films required to achieve reproducibility. Provided that they are ...
Aqueous surface chemistry of gold mesh electrodes in a closed bipolar electrochemical cell

Gamero-Quijano, Alonso; Herzog, Grégoire; Scanlon, Micheál D. (Elsevier, 2020)

The influence of the bipolar electrode on the voltammetry observed with a closed bipolar electrochemical cell (CBPEC) goes far beyond simply conducting electrons between the two electrolyte solutions. The surface of each ...
Artificial neural network based modelling approach for municpal solid waste gasification in a fluidized bed reactor

Pandey, Daya Shankar; Das, Saptarshi; Pan, Indranil; Leahy, James J.; Kwapinski, Witold (Elsevier, 2016)

In this paper, multi-layer feed forward neural networks are used to predict the lower heating value of gas (LHV), lower heating value of gasification products including tars and entrained char (LHVp) and syngas yield during ...
Assembling ordered nanorod superstructures and their application as microcavity lasers

Liu, Pia; Singh, Shalini; Guo, Yina; Wang, Jian-Jun; Xu, Hongxing; Silien, Christophe; Liu, Ning; Ryan, Kevin M. (2017)

Herein we report the formation of multi-layered arrays of vertically aligned and close packed semiconductor nanorods in perfect registry at a substrate using electric field assisted assembly. The collective properties of ...
Assembly of binary, ternary and quaternary compound semiconductor nanorods: from local to device scale ordering influenced by surface charge

Ryan, Kevin M.; Singh, Shalini; Liu, Pai; Singh, Ajay (Royal Society of Chemistry, 2014)

In this article we outline the assembly of binary, ternary and quaternary nanorods using three separate protocols. The rods are the important photoabsorbers CdS, CdSexS1-x, CuInxGa1-xS, and Cu2ZnSnS4. In the droplet based ...
Asymptotic homogenization for modeling of wingbox structures

Hadjiloizi, Demetra A.; Weaver, Paul M. (American Institute of Aeronautics and Astronautics:AIAA, 2018)

The asymptotic homogenization technique has been used to analyze a wing box structure consisting of trapezoidally arranged reinforcements encased within thin rectangular plates. Ignoring stress concentration effects at ...
Atypical features of thermus thermophilus succinate:quinone reductase

Kolaj-Robin, Olga; Noor, Mohamed R.; O'Kane, Sarah R; Baymann, Frauke; Soulimane, Tewfik (Public Library of Science, 2013)

The Thermus thermophilus succinate:quinone reductase (SQR), serving as the respiratory complex II, has been homologously produced under the control of a constitutive promoter and subsequently purified. The detailed ...
Augmentation cystoplasty and extracellular matrix scaffolds: an ex vivo comparative study with autogenous detubularised Ileum

Davis, Niall Francis; Mooney, Rory; Callanan, Anthony; Flood, Hugh D.; McGloughlin, Timothy M. (Public Library of Science, 2011)

Background: Augmentation cystoplasty (AC) with autogenous ileum remains the current gold standard surgical treatment for many patients with end-stage bladder disease. However, the presence of mucus-secreting epithelium ...
Behavior of heavy metals during fluidized bed combustion of poultry litter

Lynch, Deirdre; Low, Fiona; Henihan, Anne Marie; Garcia, Alberto; Kwapinski, Witold; Zhang, Lian; Leahy, James J. (American Chemical Society, 2014)

In this study, we have examined the behavior of heavy metals during fluidized bed combustion of poultry litter. Heavy metals examined include As, Cd, Co, Cr, Cu, Hg, Mn, Mo, Ni, Pb, V, and Zn. Solid and gaseous streams ...
Benchmark selectivity p-xylene separation by a non-porous molecular solid through liquid or vapor extraction†

Sun, Na; Wang, Shi-Qiang; Zou, Ruqiang; Cui, Wen-Gang; Zhang, Anqi; Zhang, Tianzhen; Li, Qi; Zhuang, Zhan-Zhong; Zhang, Ying-Hui; Xu, Jialiang; Zaworotko, Michael J.; Bu, Xian-He (The Royal Society of Chemistry, 2019)

Solid–liquid separation of similarly sized organic molecules utilizing sorbents offers the potential for new energy-efficient approaches to a number of important industrial separations such as xylenes (C8) separations. ...
Bio-derived carbon nanofibers from lignin as high performance Li-ion anode materials

Culebras, Mario; Geaney, Hugh; Beaucamp, Anne; Upadhyaya, Prathviraj; Dalton, Eric D.; Ryan, Kevin M.; Collins, Maurice N. (Wiley and Sons Ltd, 2019)

Development of cost effective and increasingly efficient sustainable materials for energy storage devices, such Li ion batteries, is of crucial future importance. Herein, the preparation of carbon nanofibers from biopolymer ...
A bioactive metallurgical grade porous silicon-polytetrafluoroethylene sheet for guided bone regeneration applications

Chadwick, Edward G.; Clarkin, O.M.; Raghavendra, Ramesh; Tanner, David A. (IOS Press, 2014)

The properties of porous silicon make it a promising material for a host of applications including drug delivery, molecular and cell-based biosensing, and tissue engineering. Porous Silicon has previously shown its ...
The bioactivity and ion release of titanium-containing glass polyalkenoate cements for medical applications

Wren, A.W.; Cummins, Niamh M.; Laffir, Fathima R.; Hudson, Sarah P.; Towler, M.R. (Springer-Verlag, 2011)

The ion release profiles and bioactivity of a series of Ti containing glass polyalkenoate cements (GPCs). Characterization revealed each material to be amorphous with a Tg in the region of 650-660ºC. The network connectivity ...

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