Electrochemical Synthesis and Optical Properties of Gold Nanorods

Chang, Ser‐Sing; Lai, Wei-Sheng; Shih, Chao-Wen; Wang, C Chris; Hwang, Chuin-Chieh

doi:10.1201/9780585404394.ch7

Cited by 9 publications

(7 citation statements)

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“…Gold NRs and NWs, unlike NPs, possess a transverse and a dominant longitudinal plasmon [44]. This intense absorption band is near the infrared region, which biological tissue hardly absorbs, thus making these Au nanostructures attractive in the biomedical field.…”

Section: Gold Nanorods and Nanowiresmentioning

confidence: 99%

Review of In vitro Toxicity of Nanoparticles and Nanorods: Part 1

Perez¹,

Alsharif²,

Banderas³

et al. 2018

Cytotoxicity

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The specific use of engineered nanostructures in biomedical applications has become very attractive, due to their ability to interface and target specific cells and tissues to execute their functions. Additionally, there is continuous progress in research on new nanostructures with unique optical, magnetic, catalytic, and electrochemical properties that can be exploited for therapeutic or diagnostic methods. On the other hand, as nanostructures become widely used in many different applications, the unspecific exposure of humans to them is also unavoidable. Therefore, studying and understanding the toxicity of such materials is of increasing importance. Previously published reviews regarding the toxicological effects of nanostructures focuses mostly on the cytotoxicity of nanoparticles and their internalization, activated signaling pathways, and cellular response. Here, the most recent studies on the in vitro cytotoxicity of NPs, nanowires, and nanorods for biomedical applications are reviewed and divided into two parts. The first part considers nonmagnetic metallic and magnetic nanostructures. While part 2 covers carbon structures and semiconductors. The factors influencing the toxicity of these nanostructures are elaborated, to help elucidating the effects of these nanomaterials on cells, which is a prerequisite for their save clinical use.

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Section: Gold Nanorods and Nanowiresmentioning

confidence: 99%

Review of In vitro Toxicity of Nanoparticles and Nanorods: Part 1

Perez¹,

Alsharif²,

Banderas³

et al. 2018

Cytotoxicity

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“…As nanoparticle, alternative nanostructures as nanorods are characterized by interesting physical and chemical properties that make them suitable for biosensing and signal amplification (Yu et al 1997).…”

Section: Colorimetric Assays With Metal Nanoparticlesmentioning

confidence: 99%

Detection of Pathogens in Water Using Micro and Nano-Technology

Zuccheri¹,

Asproulis²

2012

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“…The formation of different mesoporous nanostructures, such as 2D hexagonal phase, cubic phase, and lamellar phase, by using different micellar phases as surfactant template has been reported [8][9][10][11][12][13]. Also, rodlike and reverse rodlike micellar systems have been used to produce nanorods [14][15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Wormlike Micelles as Templates for Rod-Shaped Nanoparticles: Experiments and Simulations

Gupta

Duttagupta

Chhatre

et al. 2015

Springer Tracts in Mechanical Engineering

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We report here a novel and generic method for the synthesis of rodshaped nanoparticles of AgBr, AgCl, and Fe 2 O 3 using wormlike micelles (WLMs) in aqueous solution. It is observed that the presence of a wormlike micellar phase is critical to the formation of such anisotropic nanoparticles. Spherical nanoparticles are otherwise obtained when wormlike micelles are absent. Nanoparticle precursors first form spherical primary particles at short times, which then coagulate and consolidate on a surfactant backbone to form nanorods. Interestingly, when preformed spherical nanoparticles are added to a wormlike micellar system, nanorods similar to the in situ method are observed. This technique has been explored for the synthesis of anisotropic iron oxide particles as well. Further a mechanism for the formation of these nanorods is proposed and is simulated using a framework of slithering snake dynamics for WLM. In this study, the wormlike micelles are represented by flexible polymers of fixed contour length. A rule-based intermicellar particle exchange protocol is formulated and simulated on a periodic lattice. Simulations reveal that the particles start accumulating slowly on few of the micellar backbones; toward the end, the fraction of micelles carrying no particles increases drastically which is a typical behavior observed in coagulation processes. The particulate masses accumulated on the WLMs are then converted to their respective lengths and diameters.

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Electrochemical Synthesis and Optical Properties of Gold Nanorods

Cited by 9 publications

References 0 publications

Review of In vitro Toxicity of Nanoparticles and Nanorods: Part 1

Review of In vitro Toxicity of Nanoparticles and Nanorods: Part 1

Detection of Pathogens in Water Using Micro and Nano-Technology

Wormlike Micelles as Templates for Rod-Shaped Nanoparticles: Experiments and Simulations

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