Silver nanoparticle-decorated graphene oxide for surface-enhanced Raman scattering detection and optical limiting applications

Tao, Lili; Lou, Yajun; Zhao, Yu; Hao, Mingming; Yang, Yibin; Xiao, Ye; Tsang, Yuen Hong; Li, Jingbo

doi:10.1007/s10853-017-1501-z

Cited by 19 publications

(5 citation statements)

References 28 publications

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“…The synthesis of graphene oxide (GO) was performed according to previous reports (supporting information is available online at stacks.iop.org/MAF/6/ 035011/mmedia) using the modified Hummers method [33][34][35].…”

Section: Preparation Of Graphene Oxide (Go)mentioning

confidence: 99%

Fluorometric ‘switch-on’ detection of heparin based on a system composed of rhodamine-labeled chitosan oligosaccharide lactate, and graphene oxide

Zhong

Yun

2018

Methods Appl. Fluoresc.

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A novel fluorescence 'Switch on' for the detection of heparin based on the RhB-COL/GO system was achieved. A strong fluorescence dye, Rhodamine B, was modified by chitosan oligosaccharide lactate (COL), which plays a major role in the formation of a positively charged RhB-COL complex. RhB-COL was soluble and stable in solution, which was characterized by using Fourier transform infrared spectroscopy and x-ray photoelectron spectroscopy. GO sheets quenched the fluorescence intensity of RhB-COL due to electron transfer from RhB to the GO surface. The decrease in fluorescence intensity of RhB-COL with increasing GO concentration was recorded using a Cary Eclipse fluorescence spectrophotometer. On the other hand, the addition of heparin replaced GO to bind with the RhB-COL surface via an electrostatic and noncovalent bond due to the abundant negative charge, which resulted in recovery of the fluorescence intensity. This RhB-COL/GO system possessed high selectivity and good sensitivity for the detection of heparin compared to other biomolecules, such as glycine, D-glucose, hyaluronic acid, L-glutamic acid, and ascorbic acid. The linear response toward heparin was measured over the range, 0-1.8 U · ml, with a low detection limit of 0.04 U · ml. The satisfactory sensing performance of RhB-COL/GO for heparin supports new 'switch-on' sensor applications in heparin-related biomedical detection.

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Section: Preparation Of Graphene Oxide (Go)mentioning

confidence: 99%

Fluorometric ‘switch-on’ detection of heparin based on a system composed of rhodamine-labeled chitosan oligosaccharide lactate, and graphene oxide

Zhong

Yun

2018

Methods Appl. Fluoresc.

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“…These properties make GO more accessible for providing a supporting platform to the various nanoparticles. 33 Moreover, these functional groups on the surface of GO promote stronger chemical interaction and bonding with the polymeric matrix in polymer based nanocomposites. 34 Metal based nanomaterials have gained significant interest due to their size and shape dependent optical, magnetic, catalytic, and electrical properties.…”

Section: Fabrication Of the Rgo/ppy/bi Nanocompositementioning

confidence: 99%

Determination of vitamins K1, K2, B6, and D3 using reduced graphene oxide fabricated using a bismuth nanoparticle embedded polypyrrole nanocomposite based optical sensor

Mughal,

Shaikh,

Memon

et al. 2024

Mater. Adv.

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“…† GO has two characteristic peaks located at 1331 (peak D) and 1595 cm −1 (peak G). 41 It is worth noting that the AgNPs could enhance the Raman signal of GO when it was deposited onto the surface of GO. Additionally, XRD was employed to measure the crystallization of AgNPs.…”

Section: Chemical Composition Analysis Of the Sers Substratementioning

confidence: 99%

A dense SERS substrate of the AgNPs@GO compound film for detecting homocysteine molecules

He,

Yang,

et al. 2023

Anal. Methods

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Silver nanoparticle-decorated graphene oxide for surface-enhanced Raman scattering detection and optical limiting applications

Cited by 19 publications

References 28 publications

Fluorometric ‘switch-on’ detection of heparin based on a system composed of rhodamine-labeled chitosan oligosaccharide lactate, and graphene oxide

Fluorometric ‘switch-on’ detection of heparin based on a system composed of rhodamine-labeled chitosan oligosaccharide lactate, and graphene oxide

Determination of vitamins K1, K2, B6, and D3 using reduced graphene oxide fabricated using a bismuth nanoparticle embedded polypyrrole nanocomposite based optical sensor

A dense SERS substrate of the AgNPs@GO compound film for detecting homocysteine molecules

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