Articles with "gold nanostars" as a keyword



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Plasmonic Gold Nanostars Incorporated into High-Efficiency Perovskite Solar Cells.

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Published in 2017 at "ChemSusChem"

DOI: 10.1002/cssc.201701056

Abstract: Incorporating appropriate plasmonic nanostructures into photovoltaic (PV) systems is of great utility for enhancing photon absorption and thus improving device performance. Herein, the successful integration of plasmonic gold nanostars (AuNSs) into mesoporous TiO2 photoelectrodes for… read more here.

Keywords: perovskite solar; plasmonic gold; gold nanostars; efficiency ... See more keywords
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Physicochemical Properties and Route of Systemic Delivery Control the In Vivo Dynamics and Breakdown of Radiolabeled Gold Nanostars.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202204293

Abstract: The in vivo dynamics of nanoparticles requires a mechanistic understanding of multiple factors. Here, for the first time, the surprising breakdown of functionalized gold nanostars (F-AuNSs) conjugated with antibodies and 64 Cu radiolabels in vivo… read more here.

Keywords: systemic delivery; vivo; vivo dynamics; route systemic ... See more keywords
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Aptamer-conjugated gold nanostars for targeted cancer photothermal therapy

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Published in 2018 at "Journal of Materials Science"

DOI: 10.1007/s10853-018-2668-7

Abstract: Photothermal therapy is a highly efficient and minimally invasive method for cancer therapy. To enhance the safe and effective effect of photothermal therapy, specific recognition of targeting cells and efficient direct heat transmission to cells… read more here.

Keywords: aptamer conjugated; gold nanostars; cancer; therapy ... See more keywords

Matrix metallopeptidase 2 targeted delivery of gold nanostars decorated with IR-780 iodide for dual-modal imaging and enhanced photothermal/photodynamic therapy.

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Published in 2019 at "Acta biomaterialia"

DOI: 10.1016/j.actbio.2019.03.008

Abstract: Nanotheranostics has gained increasing interest, as it offers a great potential to realize personalized diagnostics and therapy. In this work, we report a facile approach of the fabrication of gold nanostars (GNS) attached with matrix… read more here.

Keywords: gold nanostars; imaging; therapy; bsa mmp2 ... See more keywords
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Synthesis of reduced-size gold nanostars and internalization in SH-SY5Y cells.

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Published in 2017 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2017.06.102

Abstract: The synthesis of large pentatwinned five-branched gold nanostars (GNS) has been modified so to obtain overall dimensions shrunk to 60% and a lower branches aspect ratio, leading to a dramatic blue shift of their two… read more here.

Keywords: synthesis reduced; gold nanostars; reduced size; sy5y cells ... See more keywords
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Combining Experiments and Theoretical Modeling To Interrogate the Anisotropic Growth and Structure-Plasmonic Property Relationships of Gold Nanostars.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b02187

Abstract: We present a combined strategy of experiments and theoretical modeling for understanding the evolution of the morphology and plasmonic properties of gold nanostars (GNSs) in the seed-mediated synthesis by changing the poly(vinylpyrrolidone) (PVP) molecular weight,… read more here.

Keywords: protruding tips; morphology; gold nanostars; experiments theoretical ... See more keywords

pH-Dependent Transmembrane Activity of Peptide-Functionalized Gold Nanostars for Computed Tomography/Photoacoustic Imaging and Photothermal Therapy.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.6b13237

Abstract: Progress in multifunctional nanomaterials for tumor therapy mostly depends on the development of tumor-targeting delivery strategies. One approach is to explore a pH-responsive strategy to target the slightly acidic solid tumor microenvironment. A novel class… read more here.

Keywords: gns phlip; dependent transmembrane; gold nanostars; transmembrane activity ... See more keywords
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Bimetallic Gold Nanostars Having High Aspect Ratio Spikes for Sensitive Surface-Enhanced Raman Scattering Sensing

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Published in 2022 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.2c02234

Abstract: There has been increasing interest in evolution of plasmonic nanoplatforms based on noble metal nanoparticles to achieve ultrasensitive detection of trace analyte molecules through solution-based surface-enhanced Raman spectroscopy (SERS). This work presents a surfactant-free synthesis… read more here.

Keywords: gold nanostars; surface enhanced; detection; gold ... See more keywords

Investigating Reaction Intermediates during the Seedless Growth of Gold Nanostars Using Electron Tomography.

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Published in 2022 at "ACS nano"

DOI: 10.1021/acsnano.1c10669

Abstract: Good's buffers can act both as nucleating and shape-directing agents during the synthesis of anisotropic gold nanostars (AuNS). Although different Good's buffers can produce AuNS shapes with branches that are oriented along specific crystallographic directions,… read more here.

Keywords: growth; electron tomography; gold nanostars; good buffers ... See more keywords
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A Dual-Mode NADH Biosensor Based on Gold Nanostars Decorated CoFe2 Metal-Organic Frameworks to Reveal Dynamics of Cell Metabolism.

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Published in 2022 at "ACS sensors"

DOI: 10.1021/acssensors.2c01175

Abstract: Nicotinamide adenine dinucleotide (NADH) is central to metabolism and implicated in various diseases. Herein, nanohybrids of gold nanostars and metal-organic frameworks are devised and demonstrated as a dual-mode NADH sensor, for which colorimetric detection is… read more here.

Keywords: metabolism; organic frameworks; metal organic; mode nadh ... See more keywords
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Rapid, One-Pot, Protein Mediated Green Synthesis of Gold Nanostars for Computed Tomographic Imaging and Photothermal Therapy of Cancer

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Published in 2017 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.7b02169

Abstract: Plasmonic nanostructures such as gold nanostars have immense prospects in the biomedical field. However, toxic precursors and complex methodologies of synthesis are the major obstacles to their application. This study hence makes use of a protein… read more here.

Keywords: protein; rapid one; gold nanostars; gold ... See more keywords