Direct electrodeposition of highly ordered gold nanotube arrays for use in non-enzymatic amperometric sensing of glucose

Tian, Taolei; Dong, Junping; Xu, Jiaqiang

doi:10.1007/s00604-016-1835-2

Cited by 25 publications

(15 citation statements)

References 33 publications

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“…The mechanism of pore formation has been described, and involves breaking Al-O bonds and the release of Al 3+ [52]. Gold nanotube arrays or gold nanowire arrays were formed by galvanostatic (current controlled) electrodeposition into an anodic aluminum oxide template with a 200-nm pore size and applied to non-enzymatic glucose sensing [53]. The aluminum oxide templates were sputter coated with a 300-nm thick gold layer.…”

Section: Electrodeposition Through Aluminum Oxide and Other Templatesmentioning

confidence: 99%

Biosensor Applications of Electrodeposited Nanostructures

Stine

2019

Applied Sciences

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The development of biosensors for a range of analytes from small molecules to proteins to oligonucleotides is an intensely active field. Detection methods based on electrochemistry or on localized surface plasmon responses have advanced through using nanostructured electrodes prepared by electrodeposition, which is capable of preparing a wide range of different structures. Supported nanoparticles can be prepared by electrodeposition through applying fixed potentials, cycling potentials, and fixed current methods. Nanoparticle sizes, shapes, and surface densities can be controlled, and regular structures can be prepared by electrodeposition through templates. The incorporation of multiple nanomaterials into composite films can take advantage of the superior and potentially synergistic properties of each component. Nanostructured electrodes can provide supports for enzymes, antibodies, or oligonucleotides for creating sensors against many targets in areas such as genomic analysis, the detection of protein antigens, or the detection of small molecule metabolites. Detection can also be performed using electrochemical methods, and the nanostructured electrodes can greatly enhance electrochemical responses by carefully designed schemes. Biosensors based on electrodeposited nanostructures can contribute to the advancement of many goals in bioanalytical and clinical chemistry.

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Section: Electrodeposition Through Aluminum Oxide and Other Templatesmentioning

confidence: 99%

Biosensor Applications of Electrodeposited Nanostructures

Stine

2019

Applied Sciences

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“…Template‐assisted fabrication is an efficient strategy to prepare these arrays, through which the fabrication of nanowire and nanotube arrays are mostly based on the AAO template. Through various fabrication methods, such as electrochemical deposition, sol–gel processes, and atomic layer deposition (ALD), different desired materials can fill the pores of AAO. After removal of AAO, we can obtain nanowire or nanotube arrays.…”

Section: Advanced Morphology Features Of Nanostructured Arrays Preparmentioning

confidence: 99%

“…To this end, current research has focused on the optimization of sensor morphology, such as nanostructuring of the sensing platform . Thus, the generated regular arrays of nanostructures not only exhibit the above advanced sensing features, but are also highly controllable in terms of their performance …”

Section: Introductionmentioning

confidence: 99%

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Template‐Assisted Fabrication of Nanostructured Arrays for Sensing Applications

Lei

2018

ChemPlusChem

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High sensitivity imposes strict requirements on a sensing platform, for which nanostructured arrays are promising candidates. The template‐assisted method is an effective strategy to prepare various nanostructured arrays, which are widely developed for different sensing applications. Herein, nanostructured array based sensing platforms prepared from four widely used templates, a colloidal monolayer, anodic aluminum oxide, block copolymer, and a nanoimprint mold, are reviewed. In a series of sensing applications (e.g., biosensing and gas sensing), the resulting nanostructure‐array‐based platforms are high sensitive owing to their advanced morphology features: 1) high‐density alignment of arrayed nanostructures, 2) high surface‐to‐volume ratio, and 3) convex‐rich morphology. In surface‐enhanced Raman spectroscopy (SERS) applications, noble‐metal particle arrays with high‐density alignment produce an enhanced SERS signal owing to a strong concentration of plasmonic resonance on the substrate. To sense biomolecules in solution and gaseous molecules, arrays with a high surface‐to‐volume ratio or convex‐rich morphology can sensitively respond to changes in the environment. Moreover, the nanostructure‐array‐based sensing platforms are divided into three types (0D, 1D, and 3D nanostructured arrays) to demonstrate the morphological origin of the sensing performances.

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“…The magnetic domain arrangement of nanoparticles, disordered, and aligned nanofibers are the focus of current research. In the conventional methods of preparing aligned nanomaterials, photolithography [ 13 ], electrodeposition [ 14 , 15 ], and linear template [ 16 ] are usually used. Others have prepared aligned nanofibers by using an external magnetic field [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Magnetic Properties of CoFe2O4 Oriented Fiber Arrays by Electrospinning

2020

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The morphology of magnetic materials has a great influence on the properties, which is attributed to the magnetic anisotropy of the materials. Therefore, it is worth studying the fabrication of the aligned fiber and the change of its domain distribution. Nanoparticles and nanofibers were prepared by the hydrothermal and electrospinning methods, respectively. At the same time, the arranged nanofibers were collected by the drum collecting device. After the same annealing at 700 °C, it was found that the diameter of fibers collected by different collecting drums is similar. By studying the hysteresis loops of nanoarrays, it was found that they had strong anisotropy. The easy axis was parallel to the long axis, the Hc and Mr of the easy axis and the hard axis were 1330.5 Oe, 32.39 Am2/kg, and 857.2 Oe, 24.8 Am2/kg, respectively. Due to the anisotropy of the shape and the interaction between the particles, the Hc could not be enhanced. Therefore, the Ms and Hc of the nanoparticles were 80.23 Am2/kg and 979.3 Oe, respectively. The hysteresis loop and the change of magnetic moment during the demagnetization of the CoFe2O4 nanofiber array were simulated via micromagnetic software. The simulated Hc was 1480 Oe, which was similar to the experimental value.

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Direct electrodeposition of highly ordered gold nanotube arrays for use in non-enzymatic amperometric sensing of glucose

Cited by 25 publications

References 33 publications

Biosensor Applications of Electrodeposited Nanostructures

Biosensor Applications of Electrodeposited Nanostructures

Template‐Assisted Fabrication of Nanostructured Arrays for Sensing Applications

Preparation and Magnetic Properties of CoFe2O4 Oriented Fiber Arrays by Electrospinning

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