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Specific postcolumn detection method for HPLC assay of homocysteine based on aggregation of fluorosurfactant-capped gold nanoparticles.
Gold nanoparticles (GNPs) capped with nonionic fluorosurfactant molecules (Zonyl FSN) were synthesized, and with the colloidal solution as a probe reagent, a new postcolumn colorimetric detectionExpand
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Effect of nonionic fluorosurfactant on the electrogenerated chemiluminescence of the tris(2,2'-bipyridine)ruthenium(II)/tri-n-propylamine system: lower oxidation potential and higher emission
  • F. Li, Y. Zu
  • Chemistry, Medicine
  • Analytical chemistry
  • 3 February 2004
Fluorosurfactants are commercially available, and their applications in electrochemical systems have been the interest of many studies. Here, we describe a novel effect of a nonionic fluorosurfactantExpand
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Specific detection of cysteine and homocysteine: recognizing one-methylene difference using fluorosurfactant-capped gold nanoparticles.
  • C. Lu, Y. Zu
  • Chemistry, Medicine
  • Chemical communications
  • 18 September 2007
Aggregation of fluorosurfactant-capped gold nanoparticles could be induced selectively by cysteine and homocysteine and, when solution ionic strength was low, the kinetics of homocysteine-inducedExpand
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Scanning electrochemical microscopy: Part 39. The proton/hydrogen mediator system and its application to the study of the electrocatalysis of hydrogen oxidation
The H:H2 redox couple was investigated as a mediator system for scanning electrochemical microscopy (SECM) with proton reduction from a 0.01 M HClO4 solution at a Pt tip. The feedback behavior of theExpand
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Electrogenerated chemiluminescence. 67. Dependence of light emission of the tris(2,2')bipyridylruthenium(II)/tripropylamine system on electrode surface hydrophobicity.
  • Y. Zu, A. Bard
  • Chemistry, Medicine
  • Analytical chemistry
  • 10 July 2001
We describe the effect of electrode surface hydrophobicity on the electrochemical behavior and electrogenerated chemiluminescence (ECL) of Ru(bpy)3(2+) (bpy = 2,2'-bipyridyl)/tripropylamine (TPrA)Expand
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Facile and controllable loading of single-stranded DNA on gold nanoparticles.
  • Y. Zu, Z. Gao
  • Medicine, Chemistry
  • Analytical chemistry
  • 14 September 2009
A facile strategy of loading thiolated single-stranded DNA (ss-DNA) on gold nanoparticles (NPs) has been developed. The gold NPs stabilized by nonionic fluorosurfactant (i.e., Zonyl FSN) are simplyExpand
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Multifunctional ruthenium(II) polypyridine complex-based core-shell magnetic silica nanocomposites: magnetism, luminescence, and electrochemiluminescence.
Multifunctional nanoparticles (NPs) that consist of silica-coated magnetic cores and luminescent ruthenium(II) polypyridine complexes have been prepared. These multifunctional nanocomposites wereExpand
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Coordination of mercury(II) to gold nanoparticle associated nitrotriazole towards sensitive colorimetric detection of mercuric ion with a tunable dynamic range.
A simple colorimetric assay with high sensitivity, excellent selectivity and a tunable dynamic range is reported for detecting trace amounts of mercuric ion in aqueous solution based on theExpand
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A further exploration of an important factor affecting the pumping performance of turbomolecular pumps
A new model to explain the pumping mechanism of the usual turbomoleculer pump with a lower blade velocity ratio was proposed in a previous paper [J. Y. Tu and N. H. Yang, Vacuum 37, 831 (1987)]. InExpand
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