NDLI: Carbon nanotubes incorporated with sol-gel derived La(OH)3 nanorods as platform to simultaneously determine ascorbic acid, dopamine, uric acid and nitrite.

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Carbon nanotubes incorporated with sol-gel derived La(OH)3 nanorods as platform to simultaneously determine ascorbic acid, dopamine, uric acid and nitrite.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Zhang, Yu Yuan, Ruo Chai, Yaqin Zhong, Xia Zhong, Huaan
Description	Author Affiliation: Zhang Y ( Key Laboratory of Analytical Chemistry (Chongqing), College of Chemistry and Chemical Engineering, Southwest University, Chongqing, PR China.)
Abstract	A novel material, sol-gel derived La(OH)(3) nanorods (La(OH)(3)NRs) with excellent film forming ability was prepared, and it was first designed to incorporate with carbon nanotubes (CNTs) to modify glassy carbon electrode (GCE) to simultaneously voltammetric determine ascorbic acid (AA), dopamine (DA), uric acid (UA), and nitrite (NO(2)(-)). Cyclic voltammetry (CV), transmission electron microscopy (TEM), and X-ray diffraction (XRD) were employed to characterize the sensor. Under optimal conditions, the linear response range for AA, DA, UA, and NO(2)(-) were 0.5 µmol L(-1) to 1.46 mmol L(-1), 50 nmol L(-1) to 35.36 µmol L(-1), 50 nmol L(-1) to 0.79 mmol L(-1), and 0.55 µmol L(-1) to 0.72 mmol L(-1), respectively and the detection limits were 1.67 µmol L(-1), 1.67 nmol L(-1), 1.67 nmol L(-1), and 0.18 µmol L(-1). The sensor demonstrated well stability, high selectivity and sensitivity. More importance, this material can be extended to construct other electrochemical sensors by the immobilization of enzymes and antibodies.
File Format	HTM / HTML
ISSN	09277765
Volume Number	100
e-ISSN	18734367
Journal	Colloids and Surfaces B: Biointerfaces
Language	English
Publisher	Elsevier
Publisher Date	2012-12-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Chemistry Ascorbic Acid Urine Dopamine Lanthanum Chemistry Nanotubes, Carbon Nitrites Uric Acid Electrochemical Techniques Electrodes Humans Limit Of Detection Microscopy, Electron, Transmission Nanotubes Ultrastructure Phase Transition Reproducibility Of Results X-ray Diffraction Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Medicine Physical and Theoretical Chemistry Surfaces and Interfaces Biotechnology

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