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643203

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Stacey N Barnaby et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(27), 9739-9744 (2014-06-21)
Small interfering RNA (siRNA) is a powerful and highly effective method to regulate gene expression in vitro and in vivo. However, the susceptibility to serum nuclease-catalyzed degradation is a major challenge and it remains unclear whether the strategies developed to
Guojun Weng et al.
Journal of nanoscience and nanotechnology, 14(6), 4072-4077 (2014-04-18)
Gold nanorods of different aspect ratios had been synthesized using seed mediated growth method. The formed gold nanorods had been characterized by the absorption and transmission electron microscopy (TEM) measurements. The obtained gold nanorods were used to study the quenched
Jun Hyuk Heo et al.
Journal of nanoscience and nanotechnology, 13(11), 7254-7258 (2013-11-20)
We investigated the stability of gold nanoparticles (AuNPs) in seawater. The large amount of Na+, Mg2+, K+, and Ca2+ in seawater makes AuNPs unstable resulting in immediate aggregation. We found that AuNPs become much more stable when they were treated
Phillip Ahn et al.
Ultrasonics, 54(3), 795-800 (2014-02-14)
A resonance based laser ultrasonics technique is explored for the characterization of low density nanoporous gold foams. Laser generated zero group velocity (ZGV) lamb waves are measured in the foams using a Michelson interferometer. The amplitude spectra obtained from the
Amin Majdalawieh et al.
Journal of nanoscience and nanotechnology, 14(7), 4757-4780 (2014-04-25)
In the last decade, gold and silver nanomaterials have received considerable attention due to their attractive electronic and chemical properties and their potential applications in the development of new technologies. Recent advances in the study of various gold and silver
Huang Gao et al.
Science (New York, N.Y.), 346(6215), 1352-1356 (2014-12-17)
We report a low-cost, high-throughput benchtop method that enables thin layers of metal to be shaped with nanoscale precision by generating ultrahigh-strain-rate deformations. Laser shock imprinting can create three-dimensional crystalline metallic structures as small as 10 nanometers with ultrasmooth surfaces
Roberto Cao-Milán et al.
Expert opinion on drug delivery, 11(5), 741-752 (2014-02-25)
Gold nanoparticles display a unique combination of chemical inertness, surface chemistry and size- and shape-dependent electronic and optical properties, which render them ideal for clinical applications. The present article describes recent advancements on the application of gold nanoparticles in vaccine
Seyed Mohammad Amini et al.
IET nanobiotechnology, 7(4), 151-156 (2013-11-12)
In the recent years, enhanced functionality of treatment systems based on nanostructures has attracted a lot of interest. Photodynamic therapy (PDT) is one such treatment method. Here, the authors report the results of the investigations on synthesis and characterisation of
Maria Jose Santos-Martinez et al.
Journal of biomedical nanotechnology, 10(6), 1004-1015 (2014-04-23)
The increasing use of gold nanoparticles in medical diagnosis and treatment has raised the concern over their blood compatibility. The interactions of nanoparticles with blood components may lead to platelet aggregation and endothelial dysfunction. Therefore, medical applications of gold nanoparticles
Roya Najafi et al.
International journal of food microbiology, 189, 89-97 (2014-08-19)
A combined capture and detection method comprising of nano-immunomagnetic separation (NIMS) and surface enhanced Raman spectroscopy (SERS) was developed to detect Escherichia coli O157 from liquid media including apple juice. The capture antibodies (cAbs) were immobilized on magnetite-gold (Fe3O4/Au) magnetic
Ping Huang et al.
Journal of nanoscience and nanotechnology, 13(7), 5088-5092 (2013-08-02)
Atomically precise Au(n) nanoclusters (n = number of gold atom in cluster) ideally composed of an exact number of gold atoms have unique core-shell structure and non-metallic electronic properties. The extremely small size of Au25 and Au38 nanoclusters induces a
Facile preparation of SERS and catalytically active Au nanostructures using furfuryl derivatives
Kim K, et al.
Applied Surface Science, 414, 325-334 (2017)
Yong Ju Yun et al.
Journal of nanoscience and nanotechnology, 13(11), 7376-7380 (2013-11-20)
We present a simple approach for the fabrication of graphene oxide-encapsulated gold nanoparticles using graphene oxide sheet-wrapping via electrostatic self-assembly. By mixing bovine serum albumin molecule-functionalized gold nanoparticles with graphene oxide dispersion, positively charged bovine serum albumin/gold nanoparticles easily assembled
Bum-Young Noh et al.
Journal of nanoscience and nanotechnology, 13(5), 3335-3340 (2013-07-19)
Surface plasmon (SP)-enhanced light emission mechanism has been investigated for the Ag-coated ZnO/Al2O3 core/shell nanorods (NRs). Structural characterizations showed that the ZnO NRs were covered by conformal Al2O3 layer and coated by Ag nanoparticles (NPs). The optical studies by photoluminescence
Yuyun Zhao et al.
Nanoscale, 5(18), 8340-8350 (2013-07-31)
Widespread antibiotic resistance calls for new strategies. Nanotechnology provides a chance to overcome antibiotic resistance by multiple antibiotic mechanisms. This paper reviews the progress in activating gold nanoparticles with nonantibiotic or antibiotic molecules to combat bacterial resistance, analyzes the gap
Lin Luo et al.
Journal of nanoscience and nanotechnology, 14(6), 4036-4042 (2014-04-18)
A novel immunosensor of human immune globulin (IgG) was fabricated based on the fluorescence transfer between luminescent semiconductor quantum dots (QDs) and gold nanoparticles (AuNPs). AuNPs and CdSe/ZnS QDs were respectively labeled with immune reaction pair:IgG and goat anti-human immunoglobulin
Astrid van der Horst et al.
International journal of radiation oncology, biology, physics, 89(3), 641-648 (2014-05-08)
Because of low soft-tissue contrast of cone beam computed tomography (CBCT), fiducial markers are often used for radiation therapy patient setup verification. For pancreatic cancer patients, biliary stents have been suggested as surrogate fiducials. Using intratumoral fiducials as standard for
Yang-Wei Lin et al.
Journal of nanoscience and nanotechnology, 13(10), 6566-6574 (2013-11-20)
A simply approach for the synthesis of Au nanostructures in tea infusions at room temperature is developed. By controlling the concentrations of tea infusions, Au nanostructures in various shapes and sizes have been prepared. From 1 x (original concentration) and
Bibek Jyoti Borah et al.
Journal of nanoscience and nanotechnology, 13(7), 5080-5087 (2013-08-02)
Multifunctional phosphine based ligands, 1,1,1-tris(diphenylphosphinomethyl)ethane [CH3C(CH2 PPh2)3][P3] and 1,1,1-tris(diphenylphosphinomethyl)ethane trisulphide [CH3C(CH2P(S)Ph2)3][P3S3] have been introduced to stabilize Au(o)-nanoparticles having small core diameter and narrow size distribution. The Au(o)-nanoparticles were synthesized by the reduction of HAuCl4 precursor with NaBH4 in the presence
Hong C Shen et al.
Drug discovery today. Technologies, 10(1), e3-14 (2013-09-21)
Gold-catalyzed transformations allow efficient access to a wide scope of heterocyclic structures that serve as building blocks and pharmacophores in medicinal chemistry. Compared with other transition metal and Lewis acid catalysis, gold catalysis presents mechanistic divergence, excellent functional group tolerance
Hongyan Zhao et al.
Journal of nanoscience and nanotechnology, 14(6), 4357-4362 (2014-04-18)
The influence of 12 nm spherical silver nanoparticles (AgNPs) and 20 nm spherical gold nanoparticles (AuNPs) on the luminescence of europium complex Eu(TTFA)3 were studied. When 350 nm is chosen as the incident light, the maximum enhancement factor of the
Bernhard F Gibbs et al.
Journal of biomedical nanotechnology, 10(7), 1259-1266 (2014-05-09)
In this study we demonstrate for the first time a new approach for highly specific targeting of viable human leukocytes by functionalised gold nanoconjugates made on the basis of citrate-stabilised gold nanoparticles. This immobilisation involves highly specific recognition of the
Cathleen M Crudden et al.
Nature chemistry, 6(5), 409-414 (2014-04-24)
Since the first report of thiol-based self-assembled monolayers (SAMs) 30 years ago, these structures have been examined in a huge variety of applications. The oxidative and thermal instabilities of these systems are widely known, however, and are an impediment to
Yun Zhang et al.
Natural product reports, 31(4), 489-503 (2014-01-31)
Novel organic reactions drive the advance of chemical synthesis in the same way that enabling technologies drive new scientific discoveries. One area of organic methodology that has undergone significant growth during the last decade is that of homogeneous gold-catalyzed transformations.
James L Mallows
The Medical journal of Australia, 199(11), 813-814 (2013-12-18)
To examine the effect of an education campaign based around a gold coin fine on ordering of C-reactive protein (CRP) tests. A retrospective analysis of CRP test ordering before and after the intervention in the emergency department (ED) of a
Fengxian Zheng et al.
Journal of nanoscience and nanotechnology, 13(6), 3990-3998 (2013-07-19)
Gold nanoparticles (AuNPs) are of biomedical importance, such as delivery vectors. Therefore, we used all-atom molecular dynamic simulations to study the interaction of AuNPs with cell membrane (DMPC bilayer). We observed that the AuNPs adhered spontaneously on the surface of
Divya Prakash et al.
Indian journal of experimental biology, 51(11), 969-972 (2014-01-15)
Gold nanoparticles (Au-NPs) were synthesized from chloroauric acid using cell free supernatant of Streptomyces sp. NK52 grown in nutrient broth. These nanoparticles were synthesized by varying pH and temperature of the reaction mixture and chloroauric acid concentration. The nanoparticles were
Monic Shah et al.
Journal of nanoscience and nanotechnology, 14(1), 344-362 (2014-04-16)
This article reviews some of the recent biological applications of gold nanoparticles (GNPs) which have been discovered lately by individual studies all around the world. GNPs have emerged as a promising candidates for various biological applications due to their unique
Amelie Heuer-Jungemann et al.
Nanoscale, 5(20), 9503-9510 (2013-08-29)
In the past decade gold nanoparticle-nucleic acid conjugates became progressively important for biomedical applications. Fluorophores attached to nucleic acid-gold nanoparticle conjugates have opened up a new era of biological sensing. The most promising advancement in this field was the invention
Priyatha Premnath et al.
Journal of biomedical nanotechnology, 10(6), 1061-1067 (2014-04-23)
Hybrid biomaterials are a combination of two or more different materials that work synergistically to produce superior properties. Nano structuring of such hybrid materials has also posed complications. In this study, we present, for the first time a nanofibrous hybrid
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