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Dong Chen et al.
Scientific reports, 5, 11949-11949 (2015-07-07)
Core-shell nanoparticles often exhibit improved catalytic properties due to the lattice strain created in these core-shell particles. Herein, we demonstrate the synthesis of core-shell Au@Pd nanoparticles from their core-shell Au@Ag/Pd parents. This strategy begins with the preparation of core-shell Au@Ag
Huizhang Guo et al.
Nanotechnology, 22(19), 195604-195604 (2011-03-25)
Magnetically recyclable Ag-Ni core-shell nanoparticles have been fabricated via a simple one-pot synthetic route using oleylamine both as solvent and reducing agent and triphenylphosphine as a surfactant. As characterized by transmission electron microscopy (TEM), the as-synthesized Ag-Ni core-shell nanoparticles exhibit
Siyang He et al.
Molecules (Basel, Switzerland), 26(4) (2021-02-11)
Diels-Alder reactions on the surface of nanoparticles allow a thermoreversible functionalization of the nanosized building blocks. We report the synthesis of well-defined magnetite nanoparticles by thermal decomposition reaction and their functionalization with maleimide groups. Attachment of these dienophiles was realized
Ved Vati Singh et al.
Dalton transactions (Cambridge, England : 2003), 43(33), 12555-12563 (2014-07-10)
Nanoflowers and nanospheres of Pd4S have been prepared for the first time from a single source precursor complex, [PdCl2(PhS-CH2CH2CH2-NH2)] (), by its one pot thermolysis at 195 °C. In oleylamine, flower shaped nanoparticles of Pd4S were formed but in an
Shaohua Ma et al.
Journal of colloid and interface science, 545, 94-103 (2019-03-16)
Accurate detection and isolation of circulating tumor cells (CTCs) hold high value for urgent clinical applications in cancer prognosis and treatment monitoring. Even though the immuno-magnetic isolation strategy has been an important milestone for enrichment of precious CTCs from complex
A Pensado et al.
International journal of pharmaceutics, 476(1-2), 23-30 (2014-09-28)
The existing strategies in the design of non-viral vectors for gene therapy are primarily conceived for cationic systems. However, the safety concerns associated with the use of positively charged systems for nucleic acid delivery and several reports regarding the efficacy
Danning Zhang et al.
Environmental science & technology, 52(21), 12402-12411 (2018-10-03)
Micrometer-sized titanium dioxide hierarchical spheres (TiO2-HS) were assembled from nanosheets to address two common limitations of photocatalytic water treatment: (1) inefficiency associated with scavenging of oxidation capacity by nontarget water constituents and (2) energy-intensive separation and recovery of the photocatalyst
Bin Zhou et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(31), 11143-11151 (2015-06-23)
We report an efficient approach to the synthesis of AgSbS2 nanocrystals (NCs) by colloidal chemistry. The size of the AgSbS2 NCs can be tuned from 5.3 to 58.3 nm with narrow size distributions by selection of appropriate precursors and fine control
Jae-Yup Kim et al.
ACS nano, 9(11), 11286-11295 (2015-10-03)
Copper-indium-selenide (CISe) quantum dots (QDs) are a promising alternative to the toxic cadmium- and lead-chalcogenide QDs generally used in photovoltaics due to their low toxicity, narrow band gap, and high absorption coefficient. Here, we demonstrate that the photovoltaic performance of
Lin Han et al.
Dalton transactions (Cambridge, England : 2003), 43(31), 11981-11987 (2014-06-28)
Phase transfer techniques possess remarkable advantages for the synthesis of inorganic nanomaterials. In contrast to the abundant reports on the preparation of noble metal nanoparticles using phase transfer, the number of semiconductor nanocrystals syntheses based on phase transfer techniques is
Seung-Wook Lee et al.
ACS applied materials & interfaces, 10(30), 25502-25510 (2018-07-04)
Ligand exchange is an advanced technique for tuning the various properties of nanocrystal (NC) thin films, widely used in the NC thin-film device applications. Understanding how the NC thin films transform into functional thin-film devices upon ligand exchange is essential.
Yunok Oh et al.
International journal of pharmaceutics, 531(1), 1-13 (2017-07-12)
Recently, various therapeutic strategies in anticancer drug development are focused to reduce adverse side effects and to enhance the therapeutic efficacy. Mostly, the iron oxide (Fe
Dahin Kim et al.
ACS nano, 11(12), 12461-12472 (2017-11-14)
To capitalize on shape- and structure-dependent properties of semiconductor nanorods (NRs), high-precision control and exquisite design of their growth are desired. Cadmium chalcogenide (CdE; E = S or Se) NRs are the most studied class of such, whose growth exhibits
Juan A Ramos Guivar et al.
Talanta, 141, 307-314 (2015-05-13)
Magnetic nanoparticles have been applied in many areas of nanomedicine. Sensing platforms based on this type of nanoparticles have received attention due to the relative low cost and biocompatibility. Biosensor is the most widely investigated type of analytical device. This
Fernando Luis Esteban Florez et al.
Scientific reports, 10(1), 13503-13503 (2020-08-13)
Dental adhesives hydrolyze in the mouth. This study investigated the water sorption (SOR), solubility (SOL) and cytotoxicity (CYTO) of experimental adhesives containing nitrogen-doped titanium dioxide nanoparticles (N_TiO2). Specimens (n = 15/group [SOR, SOL]; n = 10/group [CYTO]) of unaltered Clearfil SE Protect (CSP), OptiBond
David García-Soriano et al.
Journal of colloid and interface science, 578, 510-521 (2020-06-17)
Superparamagnetic MnxFe3-xO4 nanoparticles are promising materials for applications in biomedicine and other fields. Small variations in the Mn/Fe ratio have a strong impact on the properties of the nanoparticles. Those variations may be caused by the synthesis itself and by
Oriol Penon et al.
Journal of colloid and interface science, 462, 154-165 (2015-10-12)
The preparation of novel porphyrin derivatives and their immobilization onto iron oxide nanoparticles to build up suitable nanotools for potential use in photodynamic therapy (PDT) has been explored. To achieve this purpose, a zinc porphyrin derivative, ZnPR-COOH, has been synthesized
Yi Tong et al.
Scientific reports, 5, 16761-16761 (2015-11-17)
The advent of flexible optoelectronic devices has accelerated the development of semiconducting polymeric materials. We seek to replace conventional expensive semiconducting photodetector materials with our cost-effective composite system. We demonstrate in this work the successful fabrication of a photoconductive composite
Danny Wei-Ping Pang et al.
Nanoscale, 4(15), 4562-4570 (2012-06-16)
Nanocrystal-graphene have been proposed as a new kind of promising hybrid for a wide range of application areas including catalysts, electronics, sensors, biomedicine, and energy storage, etc. Although a variety of methods have been developed for the preparation of hybrids
Deivasigamani Ranjith Kumar et al.
Journal of nanoscience and nanotechnology, 14(7), 5059-5069 (2014-04-25)
Iron oxide (Fe3O4) nanoparticles are prepared by nucleation method using oleylamine (OLA) as the capping agent. The OLA capped Fe3O4 nanoparticles (OLA-Fe3O4) are characterized by Fourier Transform Infrared (FT-IR) spectroscopy, X-ray Diffraction (XRD) and High Resolution Transmission Electron Microscopic (HRTEM)
Uniform lipopolysaccharide (LPS)-loaded magnetic nanoparticles for the investigation of LPS-TLR4 signaling.
Matteo Piazza et al.
Angewandte Chemie (International ed. in English), 50(3), 622-626 (2011-01-13)
Si Yin Tee et al.
Nanoscale, 7(25), 11190-11198 (2015-06-11)
Herein, we report a facile two-step approach to produce gold-incorporated copper (Cu/Au) nanostructures through controlled disproportionation of the Cu(+)-oleylamine complex at 220 °C to form copper nanowires and the subsequent reaction with Au(3+) at different temperatures of 140, 220 and
Jian Zhen Ou et al.
ACS nano, 9(10), 10313-10323 (2015-10-09)
Nitrogen dioxide (NO2) is a gas species that plays an important role in certain industrial, farming, and healthcare sectors. However, there are still significant challenges for NO2 sensing at low detection limits, especially in the presence of other interfering gases.
Dongkyu Kim et al.
Nanotechnology, 22(15), 155101-155101 (2011-03-11)
We describe hybrid nanoparticles, composed of iron oxide and gold nanoparticles, as potential dual contrast agents for both computed tomography (CT) and magnetic resonance imaging (MRI). The hybrid nanoparticles are synthesized by thermal decomposition of mixtures of Fe-oleate and Au-oleylamine
Yucang Liang et al.
Nanoscale, 12(28), 15157-15168 (2020-07-10)
In this paper, phase-pure monodisperse NiO nanocrystals were prepared in a temperature-dependent manner via a thermal decomposition approach, showing sphere-like shapes and snowflake-like NiO arrays. Such hydrophobic NiO nanocrystals were converted into hydrophilic nickel oxide-sodium oleate-Pluronic P123 (NiO-SO-P123) micelles in
Monalisa Pal et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(8), 1627-1634 (2015-04-14)
To develop CoFe(2)O(4) as magneto-fluorescent nanoparticles (NPs) for biomedical applications, it would be advantageous to identify any intrinsic fluorescence of this important magnetic material by simply adjusting the surface chemistry of the NPs themselves. Herein, we demonstrate that intrinsic multicolor
L Chen et al.
Faraday discussions, 181, 355-364 (2015-05-01)
Plasmon properties such as peak position, extinction cross-section and local electric field intensity are strongly dependent on excited, localized surface plasmon resonance (LSPR) modes. In non-spherical copper chalcogenide nanoparticles, assignment of the LSPR peaks to the corresponding oscillation modes has
Feng Ye et al.
Dalton transactions (Cambridge, England : 2003), 42(34), 12309-12316 (2013-07-16)
Mastery over the morphology/structure of nanoparticles enables control of their properties and enhancement of their usefulness for a given application. Herein, we report a systematic study on the synthesis of ruthenium nanoparticles in oleylamine, including the tuning of their morphology/shape
Jaemin Kim et al.
Nature communications, 5, 5747-5747 (2014-12-10)
Sensory receptors in human skin transmit a wealth of tactile and thermal signals from external environments to the brain. Despite advances in our understanding of mechano- and thermosensation, replication of these unique sensory characteristics in artificial skin and prosthetics remains
Manik Goel et al.
PloS one, 6(8), e23070-e23070 (2011-09-03)
Fluid flow through large interstitial spaces is sensed at the cellular level, and mechanistic responses to flow changes enables expansion or contraction of the cells modulating the surrounding area and brings about changes in fluid flow. In the anterior eye
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