Search Results - "YEUNG, Edward S."
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Colloidal Graphite-Assisted Laser Desorption/Ionization Mass Spectrometry and MSn of Small Molecules. 1. Imaging of Cerebrosides Directly from Rat Brain Tissue
Published in Analytical chemistry (Washington) (15-03-2007)“…Graphite-assisted laser desorption/ionization (GALDI) mass spectrometry (MS) was investigated for analysis of cerebrosides in a complex total brain lipid…”
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Use of mass spectrometry for imaging metabolites in plants
Published in The Plant journal : for cell and molecular biology (01-04-2012)“…Summary We discuss and illustrate recent advances that have been made to image the distribution of metabolites among cells and tissues of plants using…”
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Optical Imaging of Individual Plasmonic Nanoparticles in Biological Samples
Published in Annual review of analytical chemistry (Palo Alto, Calif.) (01-01-2014)“…Imaging of plasmonic nanoparticles (PNP) with optical microscopy has aroused considerable attention in recent years. The unique localized surface plasmon…”
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Direct Observation of the Orientation Dynamics of Single Protein-Coated Nanoparticles at Liquid/Solid Interfaces
Published in Angewandte Chemie International Edition (01-07-2014)“…We have observed the rotational dynamics of single protein‐coated gold nanorods (AuNRs) on C18‐modified silica surfaces in real time by dual‐channel…”
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Structurally Ordered Mesoporous Carbon Nanoparticles as Transmembrane Delivery Vehicle in Human Cancer Cells
Published in Nano letters (01-11-2008)“…A structurally ordered, CMK-1 type mesoporous carbon nanoparticle (MCN) material was successfully synthesized by using a MCM-48 type mesoporous silica…”
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Unsynchronized Translational and Rotational Diffusion of Nanocargo on a Living Cell Membrane
Published in Angewandte Chemie International Edition (23-04-2012)“…Track changes: A robust high‐speed and high‐precision single nanoparticle translational and rotational tracking method has been developed to directly monitor…”
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Direct quantitative screening of influenza A virus without DNA amplification by single-particle dual-mode total internal reflection scattering
Published in Biosensors & bioelectronics (15-01-2017)“…Quantitative screening of influenza A (H7N9) virus without DNA amplification was performed based on single-particle dual-mode total internal reflection…”
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High-Spatial and High-Mass Resolution Imaging of Surface Metabolites of Arabidopsis thaliana by Laser Desorption-Ionization Mass Spectrometry Using Colloidal Silver
Published in Analytical chemistry (Washington) (15-04-2010)“…High-spatial resolution and high-mass resolution techniques are developed and adopted for the mass spectrometric imaging of epicuticular lipids on the surface…”
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Noise-Free Dual-Wavelength Difference Imaging of Plasmonic Resonant Nanoparticles in Living Cells
Published in Analytical chemistry (Washington) (01-10-2011)“…Herein, we demonstrated a new optical microscopy method to selectively image small-size gold nanoparticles (GNPs) inside noisy living cells through…”
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Background-free three-dimensional selective imaging of anisotropic plasmonic nanoparticles
Published in Nano research (01-04-2017)“…There is an increasing demand for advanced optical imaging techniques that can detect and resolve nanosize objects at a spatial resolution below the optical…”
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Direct Profiling and Imaging of Epicuticular Waxes on Arabidopsis thaliana by Laser Desorption/Ionization Mass Spectrometry Using Silver Colloid as a Matrix
Published in Analytical chemistry (Washington) (15-04-2009)“…Colloidal silver laser desorption/ionization (LDI) mass spectrometry (MS) was employed to directly profile and image epicuticular wax metabolites on a variety…”
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Separation of nanorods by density gradient centrifugation
Published in Journal of Chromatography A (24-06-2011)“…The experimental conditions necessary for the synthesis of well-defined nanoparticles are often difficult to control. There is thus a compelling need for…”
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Wavelength-Dependent Differential Interference Contrast Microscopy: Selectively Imaging Nanoparticle Probes in Live Cells
Published in Analytical chemistry (Washington) (15-11-2009)“…Gold and silver nanoparticles display extraordinarily large apparent refractive indices near their plasmon resonance (PR) wavelengths. These nanoparticles show…”
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Direct profiling and imaging of plant metabolites in intact tissues by using colloidal graphite‐assisted laser desorption ionization mass spectrometry
Published in The Plant journal : for cell and molecular biology (01-07-2008)“…Summary Laser desorption/ionization (LDI)‐based imaging mass spectrometry (MS) has been applied to several biological systems to obtain information about both…”
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Frozen Translational and Rotational Motion of Human Immunodeficiency Virus Transacting Activator of Transcription Peptide-Modified Nanocargo on Neutral Lipid Bilayer
Published in Analytical chemistry (Washington) (21-05-2013)“…With time-resolved high-precision single-particle tracking methodologies, we explored the adsorption and thermal motion of transacting activator of…”
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Sensitive and Selective Detection of Copper Ions with Highly Stable Polyethyleneimine-Protected Silver Nanoclusters
Published in Analytical chemistry (Washington) (07-01-2014)“…Copper is a highly toxic environmental pollutant with bioaccumulative properties. Therefore, sensitive Cu2+ detection is very important to prevent…”
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Highly sensitive detection of microRNA by chemiluminescence based on enzymatic polymerization
Published in Analytical and bioanalytical chemistry (01-02-2012)“…We have developed a new methodology for miRNA assay using chemiluminescence imaging by poly(U) polymerase catalyzed miRNA polymerization. This method is very…”
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Light-emitting diode-induced fluorescence detection of native proteins in capillary electrophoresis
Published in Electrophoresis (01-11-2005)“…A continuous‐wave 280 nm light‐emitting diode (LED) was used as the excitation source for native fluorescence detection of proteins in CE. The operating…”
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Single-Molecule Reactions in Liposomes
Published in Angewandte Chemie (International ed.) (01-01-2007)“…Solitary confinement: Single‐molecule reactions were initiated by trapping and fusing liposomes and monitored by fluorescence imaging. The pictures show: an…”
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Highly sensitive sulphide mapping in live cells by kinetic spectral analysis of single Au-Ag core-shell nanoparticles
Published in Nature communications (2013)“…Hydrogen sulphide (H 2 S) is a gaseous signalling agent that has important regulatory roles in many biological systems but remains difficult to measure in…”
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