Articles with "gold nanoparticles" as a keyword



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CT imaging of gold nanoparticles in a human-sized phantom.

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Published in 2021 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13155

Abstract: INTRODUCTION Gold nanoparticles (AuNPs) are visualized and quantified in a human-sized phantom with a clinical MDCT scanner. METHODS Experiments were conducted with AuNPs between 0.00171 and 200 mgAu/mL. CT images were acquired at 80, 100, 120,… read more here.

Keywords: phantom; gold nanoparticles; contrast; human sized ... See more keywords
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Induction of Chondrogenic Differentiation of Human Mesenchymal Stem Cells by Biomimetic Gold Nanoparticles with Tunable RGD Density

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Published in 2017 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.201700317

Abstract: &NA; Nanostructured materials have drawn a broad attention for their applications in biomedical fields. Ligand‐modified nanomaterials can well mimic the dynamic extracellular matrix (ECM) microenvironments to regulate cell functions and fates. Herein, ECM mimetic gold… read more here.

Keywords: gold nanoparticles; rgd density; differentiation human; density ... See more keywords
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Bright Surface-Enhanced Raman Scattering with Fluorescence Quenching from Silica Encapsulated J-Aggregate Coated Gold Nanoparticles.

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Published in 2018 at "Advanced materials"

DOI: 10.1002/adma.201705381

Abstract: Plexitonic nanoparticles offer variable optical properties through tunable excitations, in addition to electric field enhancements that far exceed molecular resonators. This study demonstrates a way to design an ultrabright surface-enhanced Raman spectroscopy (SERS) signal while… read more here.

Keywords: surface enhanced; gold nanoparticles; enhanced raman; fluorescence ... See more keywords
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A New Strategy for Microbial Taxonomic Identification through Micro‐Biosynthetic Gold Nanoparticles and Machine Learning

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202109365

Abstract: Microorganisms can serve as biological factories for the synthesis of inorganic nanomaterials that can become useful as nanocatalysts, energy‐harvesting–storage components, antibacterial agents, and biomedical materials. Herein, the development of biosynthesis of inorganic nanomaterials into a… read more here.

Keywords: gold nanoparticles; new strategy; micro biosynthetic; machine learning ... See more keywords
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Intelligent Gold Nanoparticles with Oncogenic MicroRNA-dependent Activities to Manipulate Tumorigenic Environments for Synergistic Tumor Therapy.

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Published in 2022 at "Advanced materials"

DOI: 10.1002/adma.202110219

Abstract: Tumorigenic environments, especially aberrantly over-expressed oncogenic microRNAs, play critical role in various activities of tumor progression. However, developing strategies to effectively utilize and manipulate these oncogenic microRNAs for tumor therapy is still a challenge. To… read more here.

Keywords: tumor; therapy; gold nanoparticles; tumor therapy ... See more keywords
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Uncapped Gold Nanoparticles for the Metallization of Organic Monolayers

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Published in 2021 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202100876

Abstract: Deposition of the top‐contact electrode to create large‐area electrode | monolayer | electrode junctions represents a contemporary challenge to the integration of molecular electronic phenomena into device structures. Here, a top contact electrode is formed… read more here.

Keywords: self assembly; electrode; uncapped gold; monolayer ... See more keywords
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Prospecting Cellular Gold Nanoparticle Biomineralization as a Viable Alternative to Prefabricated Gold Nanoparticles

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202105957

Abstract: Gold nanoparticles (GNPs) have shown considerable potential in a vast number of biomedical applications. However, currently there are no clinically approved injectable GNP formulations. Conversely, gold salts have been used in the clinic for nearly… read more here.

Keywords: cellular gold; gold salts; gold nanoparticles; prospecting cellular ... See more keywords
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Gold Nanoparticles Disrupt the IGFBP2/mTOR/PTEN Axis to Inhibit Ovarian Cancer Growth

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202200491

Abstract: By exploiting the self‐therapeutic properties of gold nanoparticles (GNPs) a molecular axis that promotes the growth of high‐grade serous ovarian cancer (HGSOC), one of the deadliest gynecologic malignancies with poorly understood underlying molecular mechanisms, has… read more here.

Keywords: growth; igfbp2 mtor; ovarian cancer; gold nanoparticles ... See more keywords
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Metformin encapsulated gold nanoparticles (MTF‐GNPs): A promising antiglycation agent

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Published in 2022 at "Cell Biochemistry and Function"

DOI: 10.1002/cbf.3738

Abstract: The generation of advanced glycation end products (AGEs) through nonenzymatic protein glycation contributes to the pathogenesis of long‐lived diabetic problems. Metformin (MTF) is the very first drug having antihyperglycemic effects on type II diabetes mellitus… read more here.

Keywords: mtf gnps; gold nanoparticles; antiglycation; glycation ... See more keywords
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Light‐Triggered Covalent Coupling of Gold Nanoparticles for Photothermal Cancer Therapy

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Published in 2019 at "ChemBioChem"

DOI: 10.1002/cbic.201800648

Abstract: Manipulating the cross‐coupling of gold nanoparticles (AuNPs) to maximize the photothermal effect is a promising strategy for cancer therapy. Here, by taking advantage of the well‐known tetrazole/alkene photoclick chemistry, we have demonstrated for the first… read more here.

Keywords: therapy; gold nanoparticles; coupling gold; light triggered ... See more keywords
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Wiring Gold Nanoparticles and Redox Enzymes: A Self‐Sufficient Nanocatalyst for the Direct Oxidation of Carbohydrates with Molecular Oxygen

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701738

Abstract: The development of artificial nanocatalysts, especially those incorporating the highly active biocatalysts (enzymes) present in nature, is a rapidly developing field in nanocatalysis and nanomaterials science. Dehydrogenases are exceptionally attractive, as they catalyze the oxidation… read more here.

Keywords: oxygen; gold nanoparticles; oxidation; redox enzymes ... See more keywords