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101
3-D Topology Optimization of Spatially Averaged Surface-Enhanced Raman Devices
Published 2024“…Previous efforts in full-scale topology optimization for Surface Enhanced Raman Sensing (SERS) have predominantly focused on single particle emissions or two-dimensional systems, which are impractical for actual fabrication. …”
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Thesis -
102
In situ synthesis of silver nanoparticles in poly(vinyl) alcohol layer coated thin film membrane for seawater desalination
Published 2022“…Singapore has been searching for efficient ways to alleviate water scarcity. …”
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Final Year Project (FYP) -
103
Two-dimensional heterospectral correlation analysis of the redox-induced conformational transition in cytochrome c using surface-enhanced Raman and infrared absorption spectroscopi...
Published 2013“…The heme protein cytochrome c adsorbed to a two-layer gold surface modified with a self-assembled monolayer of 2-mercaptoethanol was analyzed using a two-dimensional (2D) heterospectral correlation analysis that combined surface-enhanced infrared absorption spectroscopy (SEIRAS) and surface-enhanced Raman spectroscopy (SERS). Stepwise increasing electric potentials were applied to alter the redox state of the protein and to induce conformational changes within the protein backbone. …”
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Journal Article -
104
Optimal network charge for peer-to-peer energy trading: a grid perspective
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Journal Article -
105
Modeling Sandbar Effects on Nearshore Waves and Morphological Change using SWAN
Published 2024“…Simulations were run with observed bathymetry for both the outer bar and inner shallow bathymetry, with smoothed outer bar and observed shallow bathymetry, and with digital elevation model bathymetry to determine the effects of outer bar and shallow bathymetry on wave evolution.…”
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Thesis -
106
Study of electromagnetic enhancement for surface enhanced Raman spectroscopy of SiC graphene
Published 2013“…The electromagnetic enhancement for surface enhanced Raman spectroscopy (SERS) of graphene is studied by inserting a layer of Al2O3 between epitaxial graphene and Au nanoparticles. …”
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Journal Article -
107
Alternative solution for pre-treatment of seawater for the desalination process
Published 2021“…The NF membranes were able to sustain its original flux performance at 2.5 bar much longer than the UF membrane could at 0.25 bar. …”
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Final Year Project (FYP) -
108
Precision synthesis : designing hot spots over hot spots via selective gold deposition on silver octahedra edges
Published 2015“…Single-particle surface-enhanced Raman scattering (SERS) measurements demonstrate 10-fold and 3-fold larger SERS enhancement factors of the SEGSO as compared to pure Ag octahedra and non-selective gold-deposited Ag octahedra (NSEGSO), respectively. …”
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Journal Article -
109
Effect of iron (III) oxide concentration on the performance of meta-resonators embedded in cementitious matrix
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Journal Article -
110
Dual layer composite nanofiltration hollow fiber membranes for low-pressure water softening
Published 2014“…The newly developed (PAI-PAAm)-PES dual layer hollow fiber membranes show a salt water permeability of 15.8 L/m2.h.bar and high Mg2+ and Ca2+ rejections of 94.2% and 92.3%, respectively, at operating pressure of 2 bar using a 3000 ppm TDS feed solution. …”
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Journal Article -
111
Fabrication of hollow fiber membranes using amphiphilic block copolymers as pore-forming additives
Published 2014“…When Pluronic F127 concentration was 10 wt%, the as-spun hollow fiber exhibited the highest PWP of 114 L/m2•h•bar and the lowest MWCO of 9 kDa. Due to the good performance of Pluronic F127 in PES membrane fabrication, it has been selected as the amphiphilic additive to further study the formation of poly(vinylidene fluoride) (PVDF) membranes. …”
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Thesis -
112
LiNi0.5Mn1.5O4 hollow structures as high-performance cathodes for lithium-ion batteries
Published 2013“…Built to last: Uniform LiNi0.5Mn1.5O4 hollow microspheres and microcubes (see picture; scale bars: 1 μm) with nanosized building blocks have been synthesized by a facile impregnation method followed by a simple solid-state reaction. …”
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Journal Article -
113
Polyamide-imide hollow fiber membranes crosslinked with amine-appended inorganic networks for application in solvent-resistant nanofiltration under low operating pressure
Published 2016“…The development of polyamide-imide (PAI) hollow fiber membranes for solvent-resistant nanofiltration (SRNF) in polar aprotic solvents such as dimethylformamide (DMF) under low operating pressure of 2 bar is reported in current study. Highly porous PAI substrates were fabricated and crosslinked with (3-aminopropyl)trimethoxysilane (APTMS). …”
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Journal Article -
114
Experimental Investigation of the thermal performance of functional magnetic nanofluids
Published 2018“…It is also known as the world’s smallest stir bars. In this project, the nanofluid was tested inside a cylindrical cavity with a hot and cold surface and the temperature was taken by various thermocouples. …”
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Final Year Project (FYP) -
115
Preparation of low-pressure water softening hollow fiber membranes by polyelectrolyte deposition with two bilayers
Published 2014“…A salt water flux (SWP) of 12 LMH/bar and 94% Mg2 + rejection was obtained by depositing only two bilayers of PSS/PAH polyelectrolytes on the PES substrate, while for the 3000 ppm mixed salt solution, the water permeability was 11 LMH/bar with Mg2 + and Ca2 + rejection as high as 90%. …”
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Journal Article -
116
Enhancing the Permselectivity of Thin-Film Composite Membranes Interlayered with MoS<sub>2</sub> Nanosheets via Precise Thickness Control
Published 2024“…The optimized MoS2-interlayered TFC membrane (0.3-inter) had a 96.8% Na2SO4 rejection combined with an excellent permeability of 15.9 L m-2 38 h-1 bar-1 39 (LMH/bar), approximately 2.4 times that of the control membrane (6.6 LMH/bar). …”
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Article -
117
IS activity in Southeast Asia
Published 2015“…The increasing number of recruits from Indonesia and Malaysia to Islamic State reflects the evolving security threat to Southeast Asia. The emerging pattern bears lessons for countries in the region.…”
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Commentary -
118
Application of response surface methodology (RSM) for optimization of hydrogen sulphide adsorption using coconut shell activated carbon xerogel: effect of adsorption pressure and h...
Published 2024“…Our findings showed that the optimum conditions for H2S removal were at 1 bar and 100 L/hr for 25 ppm of H2S and 1 bar and 100.3830 L/hr for 50 ppm of H2S. …”
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Article -
119
Clouds and hazes in Saturn's troposphere and stratosphere
Published 2013“…Near-infared VIMS data between 4.5 and 5.1 <em>μ</em>m are mainly sensitive to deeper tropospheric levels down to approximately 5 bar. At such pressure levels, thermochemical models predict the formation of condensed clouds made of ammonia and ammonium hydrosulphide ices, although none of these species has been spectrally detected so far. …”
Thesis -
120
Does bankruptcy law prevent internalization of environmental costs: evidence from China
Published 2023“…The ‘polluter pays’ principle has been implemented by several pieces of environmental legislation in China as a means to confront the issue of liability in the case of bankrupt polluters. …”
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Article