Biofunctionalized silver nanoparticles: advances and prospects.

doi:10.1016/J.COLSURFB.2012.07.036

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Biofunctionalized silver nanoparticles: advances and prospects.

Journal Article•DOI•

Biofunctionalized silver nanoparticles: advances and prospects.

Aswathy Ravindran¹, Preethy Chandran¹, S. Sudheer Khan¹•Institutions (1)

Shanmugha Arts, Science, Technology & Research Academy¹

01 May 2013-Colloids and Surfaces B: Biointerfaces (Colloids Surf B Biointerfaces)-Vol. 105, pp 342-352

TL;DR: The current review attempts to stress on the application domains of silver nanoparticles and also extends an overview on the current strategies involved in biofunctionalizing these particles for specific applications.

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About: This article is published in Colloids and Surfaces B: Biointerfaces.The article was published on 2013-05-01. It has received 332 citations till now. The article focuses on the topics: Silver nanoparticle.

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Journal Article•DOI•

Potential antibacterial mechanism of silver nanoparticles and the optimization of orthopedic implants by advanced modification technologies.

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Yun'an Qing¹, Lin Cheng¹, Ruiyan Li¹, Liu Guancong¹, Yanbo Zhang¹, Xiongfeng Tang¹, Jincheng Wang¹, He Liu¹, Yanguo Qin¹ - Show less +5 more•Institutions (1)

Jilin University¹

05 Jun 2018-International Journal of Nanomedicine

TL;DR: The potential antibacterial mechanisms ofAgNPs are analyzed, and the influences of AgNPs on osteogenic-related cells, including cellular adhesion, proliferation, and differentiation, were discussed.

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Abstract: Infection, as a common postoperative complication of orthopedic surgery, is the main reason leading to implant failure. Silver nanoparticles (AgNPs) are considered as a promising antibacterial agent and always used to modify orthopedic implants to prevent infection. To optimize the implants in a reasonable manner, it is critical for us to know the specific antibacterial mechanism, which is still unclear. In this review, we analyzed the potential antibacterial mechanisms of AgNPs, and the influences of AgNPs on osteogenic-related cells, including cellular adhesion, proliferation, and differentiation, were also discussed. In addition, methods to enhance biocompatibility of AgNPs as well as advanced implants modifications technologies were also summarized.

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574 citations

Cites background from "Biofunctionalized silver nanopartic..."

...1, 0 .5 , 1 , 2 , 4 , 8 , 1 6, 3 2, 6 4 U SC s Pr om ot e os te og en ic d iff er en tia tio n at 4 μ g/ m L A ct iv at e R ho A a nd in cr ea se c yt os ke le ta l te ns io n 76 5– 15 4, 1 0, 1 5, 2 0 m M SC s Pr om ot e ce ll pr ol ife ra tio n an d os te og en ic d iff er en tia tio n pr om ot e th e fo rm at io n of fr ac tu re c al lu s, a nd in du ce e ar ly c lo su re o f t he fr ac tu re g ap In du ce c el ls t o m ig ra te t o th e fr ac tu re s ite an d pr ol ife ra tio n; a ct iv at e T G Fβ/ BM P si gn al in g 77 A bb re vi at io ns : A gN P, s ilv er n an op ar tic le ; h BM SC , h um an b on e m ar ro w s tr om al c el l; hM SC , h um an m es en ch ym al s te m c el l; hA SC , h um an a di po se -d er iv ed s te m c el l; U SC , u ri ne -d er iv ed s te m c el l; IL , i nt er le uk in ; N O , n itr ic o xi de ; R O S, r ea ct iv e ox yg en s pe ci es ; H IF -1 α, h yp ox ia -in du ci bl e fa ct or -1 α; M IC , m in im um in hi bi to ry c on ce nt ra tio n; O B, o st eo bl as t; O C , o st eo cl as t. International Journal of Nanomedicine 2018:13 submit your manuscript | www.dovepress.com Dovepress Dovepress 3319 Antibacterial mechanisms of AgNPs and optimization of orthopedic implants natural polymers including proteins, enzymes, DNA, and RNA.91 In this section, we discuss several biomolecules especially chitosan (CS), which is commonly used in surface modification....
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...natural polymers including proteins, enzymes, DNA, and RNA.(91) In this section, we discuss several biomolecules...
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Journal Article•DOI•

Noble metal-based bimetallic nanoparticles: the effect of the structure on the optical, catalytic and photocatalytic properties.

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Adriana Zaleska-Medynska¹, Martyna Marchelek¹, Magdalena Diak¹, Ewelina Grabowska¹•Institutions (1)

University of Gdańsk¹

01 Mar 2016-Advances in Colloid and Interface Science

TL;DR: In this review, selected properties, such as structure, optical, catalytic and photocatalytic of noble metals-based bimetallic nanoparticles, are discussed together with preparation routes.

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354 citations

Journal Article•DOI•

Organic-coated silver nanoparticles in biological and environmental conditions: Fate, stability and toxicity

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Virender K. Sharma¹, Karolina Siskova², Radek Zboril², Jorge L. Gardea-Torresdey³•Institutions (3)

Texas A&M University¹, Palacký University, Olomouc², University of Texas at El Paso³

01 Feb 2014-Advances in Colloid and Interface Science

TL;DR: This review paper presents the overview of processes involved in transformation of organic-coated silver nanoparticles (AgNPs) in biological systems and in the aquatic environment and progress made on understanding the mechanism oforganic- coated AgNP toxicity using different analytical techniques is presented.

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335 citations

Journal Article•DOI•

A tumor-targeting near-infrared laser-triggered drug delivery system based on GO@Ag nanoparticles for chemo-photothermal therapy and X-ray imaging.

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Jinjin Shi¹, Lei Wang¹, Zhang Jing¹, Rou Ma¹, Jun Gao¹, Yan Liu¹, Chaofeng Zhang¹, Zhenzhong Zhang¹ - Show less +4 more•Institutions (1)

Zhengzhou University¹

01 Jul 2014-Biomaterials

TL;DR: There is a great potential of GO@Ag-DOX-NGR for cancer diagnosis and therapy, showing excellent chem-photothermal therapeutic efficacy, tumor-targeting property, NIR laser-controlled drug releasing function and X-ray imaging ability.

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217 citations

Journal Article•DOI•

Nanotechnology-applied curcumin for different diseases therapy.

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Negar Ghalandarlaki¹, Ali Mohammad Alizadeh¹, Soheil Ashkani-Esfahani²•Institutions (2)

Tehran University of Medical Sciences¹, Shiraz University of Medical Sciences²

05 Jun 2014-BioMed Research International

TL;DR: The presented board of evidence focuses on the valuable special effects of curcumin on different diseases and candidates it for future clinical studies in the realm of these diseases.

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Abstract: Curcumin is a lipophilic molecule with an active ingredient in the herbal remedy and dietary spice turmeric. It is used by different folks for treatment of many diseases. Recent studies have discussed poor bioavailability of curcumin because of poor absorption, rapid metabolism, and rapid systemic elimination. Nanotechnology is an emerging field that is potentially changing the way we can treat diseases through drug delivery with curcumin. The recent investigations established several approaches to improve the bioavailability, to increase the plasma concentration, and to enhance the cellular permeability processes of curcumin. Several types of nanoparticles have been found to be suitable for the encapsulation or loading of curcumin to improve its therapeutic effects in different diseases. Nanoparticles such as liposomes, polymeric nanoparticles, micelles, nanogels, niosomes, cyclodextrins, dendrimers, silvers, and solid lipids are emerging as one of the useful alternatives that have been shown to deliver therapeutic concentrations of curcumin. This review shows that curcumin's therapeutic effects may increase to some extent in the presence of nanotechnology. The presented board of evidence focuses on the valuable special effects of curcumin on different diseases and candidates it for future clinical studies in the realm of these diseases.

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203 citations

Cites background from "Biofunctionalized silver nanopartic..."

...In small concentrations, it is safe for human cells but lethal for the majority of bacteria and viruses [139]....
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References

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Open Access

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Journal Article•DOI•

Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering

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Shuming Nie¹, Steven R. Emory¹•Institutions (1)

Indiana University¹

21 Feb 1997-Science

TL;DR: In this article, surface-enhanced Raman scattering was used to detect single molecules and single nanoparticles at room temperature with the use of surface enhanced Raman, and the intrinsic Raman enhancement factors were on the order of 10 14 to 10 15, much larger than the ensemble-averaged values derived from conventional measurements.

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Abstract: Optical detection and spectroscopy of single molecules and single nanoparticles have been achieved at room temperature with the use of surface-enhanced Raman scattering. Individual silver colloidal nanoparticles were screened from a large heterogeneous population for special size-dependent properties and were then used to amplify the spectroscopic signatures of adsorbed molecules. For single rhodamine 6G molecules adsorbed on the selected nanoparticles, the intrinsic Raman enhancement factors were on the order of 10 14 to 10 15 , much larger than the ensemble-averaged values derived from conventional measurements. This enormous enhancement leads to vibrational Raman signals that are more intense and more stable than single-molecule fluorescence.

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9,609 citations

Journal Article•DOI•

The Optical Properties of Metal Nanoparticles: The Influence of Size, Shape, and Dielectric Environment

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K. Lance Kelly¹, Eduardo A. Coronado¹, Linlin Zhao¹, George C. Schatz¹•Institutions (1)

Northwestern University¹

23 Jan 2003-Journal of Physical Chemistry B

TL;DR: In this paper, the authors describe recent progress in the theory of nanoparticle optical properties, particularly methods for solving Maxwell's equations for light scattering from particles of arbitrary shape in a complex environment.

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Abstract: The optical properties of metal nanoparticles have long been of interest in physical chemistry, starting with Faraday's investigations of colloidal gold in the middle 1800s. More recently, new lithographic techniques as well as improvements to classical wet chemistry methods have made it possible to synthesize noble metal nanoparticles with a wide range of sizes, shapes, and dielectric environments. In this feature article, we describe recent progress in the theory of nanoparticle optical properties, particularly methods for solving Maxwell's equations for light scattering from particles of arbitrary shape in a complex environment. Included is a description of the qualitative features of dipole and quadrupole plasmon resonances for spherical particles; a discussion of analytical and numerical methods for calculating extinction and scattering cross-sections, local fields, and other optical properties for nonspherical particles; and a survey of applications to problems of recent interest involving triangula...

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9,086 citations

Book•

Optical Properties of Metal Clusters

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U. Kreibig, Michael Vollmer

05 Oct 2014

TL;DR: In this paper, the authors present a survey of optical spectra of Elemental Metal Clusters and Chain Aggregates and discuss experimental results and experimental methods for metal clustering experiments.

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Abstract: 1. Introduction.- 2. Theoretical Considerations.- 3. Experimental Methods.- 4. Experimental Results and Discussion.- A.1 Tables: Optical Spectroscopy Experiments with Metal Clusters.- A.2 Survey of Optical Spectra of Elemental Metal Clusters and Chain-Aggregates.- A.3 Mie Computer Program.- References.

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6,405 citations

"Biofunctionalized silver nanopartic..." refers background in this paper

...The applications of anotechnology have broadened due to convenient surface bioconugation with molecular probes and remarkable optical properties elated with the localized plasmon resonance [5]....
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Journal Article•DOI•

Understanding biophysicochemical interactions at the nano–bio interface

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Andre E. Nel¹, Lutz Mädler², Darrell Velegol³, Tian Xia¹, Eric M.V. Hoek⁴, Ponisseril Somasundaran⁵, Fred Klaessig, Vince Castranova⁶, Mike Thompson⁷ - Show less +5 more•Institutions (7)

University of California, Los Angeles¹, University of Bremen², Pennsylvania State University³, California NanoSystems Institute⁴, Columbia University⁵, National Institute for Occupational Safety and Health⁶, FEI Company⁷

14 Jun 2009-Nature Materials

TL;DR: Probing the various interfaces of nanoparticle/biological interfaces allows the development of predictive relationships between structure and activity that are determined by nanomaterial properties such as size, shape, surface chemistry, roughness and surface coatings.

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Abstract: Rapid growth in nanotechnology is increasing the likelihood of engineered nanomaterials coming into contact with humans and the environment. Nanoparticles interacting with proteins, membranes, cells, DNA and organelles establish a series of nanoparticle/biological interfaces that depend on colloidal forces as well as dynamic biophysicochemical interactions. These interactions lead to the formation of protein coronas, particle wrapping, intracellular uptake and biocatalytic processes that could have biocompatible or bioadverse outcomes. For their part, the biomolecules may induce phase transformations, free energy releases, restructuring and dissolution at the nanomaterial surface. Probing these various interfaces allows the development of predictive relationships between structure and activity that are determined by nanomaterial properties such as size, shape, surface chemistry, roughness and surface coatings. This knowledge is important from the perspective of safe use of nanomaterials.

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6,075 citations

"Biofunctionalized silver nanopartic..." refers background in this paper

...In eneral the mechanism of cellular toxicity exhibited by metal anoparticles is through the release of reactive oxygen species ROS) [35]....
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Journal Article•DOI•

Adsorption and surface-enhanced Raman of dyes on silver and gold sols

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P. C. Lee, Dan Meisel

01 Aug 1982-The Journal of Physical Chemistry

TL;DR: Several negatively charged dyes were investigated for their possible adsorption on the surface of colloidal particles and those dyes that were found to adsorb on the particles were then checked for surface enhancement of Raman scattering.

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Abstract: Several negatively charged dyes were investigated for their possible adsorption on the surface of silver and gold colloidal particles. Those dyes that were found to adsorb on the particles were then checked for surface enhancement of Raman scattering. Highly efficient surface-enhanced Raman scattering (SERS) was observed from a carbocyanine dye in both sols. Excitation-dependence studies as well as adsorption studies confirm the SERS nature of the Raman spectra obtained. The dye is probably aggregated on adsorption and is probably attached through the naphthalene side moiety to the surface. Less efficient SERS was also observed for copper phthalocyanine.

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4,438 citations

"Biofunctionalized silver nanopartic..." refers background or methods in this paper

...The resulting colloid was greenish yellow nd had absorption maximum at 420 nm [22]....
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...Numerous methods for the synthesis of silver nanoparticles ave been reported which includes chemical reduction [22], theral decomposition [23], laser ablation [24], and sonochemical ynthesis [25]....
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...In articular, fungal infections are most commonly found in immune ompromised patients because of cancer chemotherapy or human mmunodeficiency viral infections [22]....
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