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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
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
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
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
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
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
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
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
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
Evelyn Auyeung et al.
Nature, 505(7481), 73-77 (2013-11-29)
Crystallization is a fundamental and ubiquitous process much studied over the centuries. But although the crystallization of atoms is fairly well understood, it remains challenging to predict reliably the outcome of molecular crystallization processes that are complicated by various molecular
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
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
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.
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
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
Jiajing Zhang et al.
Journal of nanoscience and nanotechnology, 14(6), 4124-4138 (2014-04-18)
Gold nanostructures with promising applications in biomedical field have attracted great attention. However, some fundamental questions other than the development of novel applications should be elucidated before they can actually serve as biomedicines in the clinic. Bio-safety is one of
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
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
Germán Plascencia-Villa et al.
Journal of nanoscience and nanotechnology, 13(8), 5572-5579 (2013-07-26)
Self-assembled structures derived of viral proteins display sophisticated structures that are difficult to obtain with even advanced synthesis methods and the use of protein nanotubes for synthesis and organization of inorganic nanoarrays into well-defined architectures are here reported. Nanoparticle arrays
Babak Mostafazadeh et al.
Pakistan journal of pharmaceutical sciences, 26(6), 1267-1270 (2013-11-06)
Mercury exposure is a health concern in the occupational settings like gold mining and chloralkali industries and blood and urine levels of mercury are used as exposure indicators. In this study, blood and urine concentrations of mercury were determined using
Xuewen Fu et al.
Journal of nanoscience and nanotechnology, 13(12), 8245-8252 (2013-11-26)
A label-free electrochemical immunosensor, based on a gold nanoparticles (Au NPs)/silicon template/methylene blue (MB)/chitosan (CHIT) nanocomposite-modified electrode, was fabricated for the ultrasensitive detection of microcystin-LR (MC-LR). The nanocomposite film showed high binding affinity to the antibodies of MC-LR because gold
Taek Lee et al.
Journal of nanoscience and nanotechnology, 13(9), 6020-6026 (2013-11-12)
In the present study, an nano-platform composed of Au nanodot arrays on which biomolecules could be self-assembled was developed and investigated for a stable bioelectronic device platform. Au nanodot pattern was fabricated using a nanoporous alumina template. Two different biomolecules
Claudia Diletto et al.
Journal of nanoscience and nanotechnology, 13(7), 5215-5220 (2013-08-02)
Innovative hybrid nanocomposites based on a nanostructured block copolymer (BCP) matrix whose lamellar nanodomains are selectively loaded with metal nanoparticles, have been prepared. A symmetric poly(styrene-b-methylmethacrylate) (PS-b-PMMA) amorphous BCP showing a lamellar morphology has been employed. Thin films of PS-b-PMMA
Catalysis: Gold unleashes the power of three.
Christopher M B K Kourra et al.
Nature, 517(7535), 440-441 (2015-01-23)
Celina Yang et al.
Journal of nanoscience and nanotechnology, 14(7), 4813-4819 (2014-04-25)
The applications of nanoparticles (NPs) for improved therapeutics are at the forefront of cancer nanotechnology. Gold nanoparticles (GNPs) have been extensively used due to their ability to act as both an anticancer drug carrier in chemotherapy and as a dose
Kaili Niu et al.
Journal of nanoscience and nanotechnology, 14(7), 5151-5156 (2014-04-25)
An immunochromatographic test strip using gold nanoparticles-staphylococcus aureus monoclonal antibody conjugates was developed for the rapid and convenient detection of staphylococcus aureus based on a double-antibody sandwich format. The detection limit and the detection rate of this test strip is
Chen Zhou et al.
Experimental biology and medicine (Maywood, N.J.), 238(11), 1199-1209 (2013-10-11)
Our fundamental understanding of cell biology and early diagnosis of human diseases have been greatly benefited from the development of fluorescent probes. Over the past decade, luminescent gold nanoparticles (AuNPs) with diverse structural parameters including particle size, surface ligands, valence
E Jortzik et al.
Biochimica et biophysica acta, 1844(8), 1415-1426 (2014-01-21)
Glioblastoma, an aggressive brain tumor, has a poor prognosis and a high risk of recurrence. An improved chemotherapeutic approach is required to complement radiation therapy. Gold(I) complexes bearing phosphole ligands are promising agents in the treatment of cancer and disturb
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