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401
Quando as tecnologias embaralham nossas vidas: as nanotecnologias
Published 2009-01-01“…Despite the obvious scientific and technological advances, the use of nanostructured products can be highly beneficial or harmful to any living being. …”
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402
Microanalysis of Organic Pigments in Ancient Textiles by Surface-Enhanced Raman Scattering on Agar Gel Matrices
Published 2016-01-01“…We discuss in detail the methodology we developed for the selective extraction and identification of anthraquinones and indigoids in the typical concentration used in textiles by means of an ecocompatible homogeneous nanostructured agar matrix. The extraction system was modulated according to the chemical properties of the target analyte by choosing appropriate reagents for the extraction and optimizing the extraction time. …”
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403
Modeling the effects of pressure and magnetic field on the phase change of sodium sulfate/magnesium chloride hexahydrate in nanochannels
Published 2025-03-01“…The system's kinetic and potential energies converge to 39.79 eV and -7204.99 eV, indicating the stability of the nanostructures. The impact of pressure and magnetic field frequency on heat flow, maximum temperature, and charge/discharge times was examined. …”
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404
Maturing conditions of bimetallic nanocomposites as a new factor influencing Au–Ag synergism and impact of Cu(II) and/or Fe(III) on luminescence
Published 2025-01-01“…Gold–silver synergism has been well documented in many scientific works dealing with luminescent nanostructures that are exploitable in biomedical and environmental application. …”
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405
Nanotherapeutics for Meningitis: Enhancing Drug Delivery Across the Blood-Brain Barrier
Published 2025-01-01“…This review highlights recent advancements in nanotechnology-based approaches, such as functionalized polymeric nanoparticles, solid lipid nanoparticles (SLNs), nanostructured lipid carriers, nanoemulsions, liposomes, transferosomes, and metallic NPs for the treatment of meningitis. …”
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406
Silver-Treated Sutures for the Prevention of Biofilm-Associated Surgical Site Infections
Published 2025-01-01“…Results: The results demonstrated that although very low amounts of silver precursor were adopted for the treatments, the silver coating was effective against <i>Staphylococcus aureus</i> and antibiotic-resistant <i>Pseudomonas aeruginosa</i> in reducing the potential risk of infection. Methods: Nanostructured silver coatings were deposited onto the surface of polyglactin 910 absorbable braided sutures through a technology based on a photo-assisted chemical reaction. …”
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407
Machine learning optimized design of THz piezoelectric perovskite-based biosensor for the detection of formalin in aqueous environments
Published 2025-02-01“…The sensor architecture operates within the terahertz spectral region and incorporates an advanced nanomaterial composite system comprising black phosphorus, gold nanostructures, graphene, and barium titanate to maximize detection sensitivity and operational performance metrics. …”
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408
Superstrength permanent magnets with iron-based superconductors by data- and researcher-driven process design
Published 2024-06-01“…Additionally, we demonstrate magnetic field stability exceeding 0.1 ppm/h for a practical 1.5 T permanent magnet, which is a vital aspect of medical magnetic resonance imaging. Nanostructural analysis reveals contrasting outcomes from data- and researcher-driven processes, showing that high-density defects and bipolarized grain boundary spacing distributions are primary contributors to the magnet’s exceptional strength and stability.…”
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409
Structural, Morphological, and Electron Transport Studies of Annealing Dependent In2O3 Dye-Sensitized Solar Cell
Published 2015-01-01“…The annealing treatment modified the nanostructures of the In2O3 thin films viewed through FESEM images. …”
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410
Peptide–Polymer Conjugates: A Promising Therapeutic Solution for Drug-Resistant Bacteria
Published 2022-01-01“…At the same time, the self-assembly ability of PPC enables it to assemble into different nanostructures to undertake specific antibacterial tasks. …”
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411
Size-Dependent Dynamic Behavior of Axially Moving Graphene Nanosheets Using Nonlocal First-Order Shear Deformation Theory
Published 2023-06-01“…Graphene nanosheets and other plate-like nanostructures may be identified based on the results presented here.…”
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412
Novel In Situ Fabrication of Fe-Doped Zinc Oxide/Tin Sulfide Heterostructures for Visible-Light-Driven Photocatalytic Degradation of Methylene Blue
Published 2023-01-01“…Using a hydrothermal synthesis process, Fe-doped ZnO/SnS nanostructures were created and a variety of analytical methods were used to describe their characteristics. …”
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413
Lattice defect engineering advances n-type PbSe thermoelectrics
Published 2025-01-01“…Here, we develop lattice defect engineering through Cu doping to realize a record-high figure of merit of ~1.9 in n-type polycrystalline PbSe. Detailed micro/nanostructural characterizations and first-principles calculations demonstrate that Cu-induced interstitial defects and nanoprecipitates simultaneously optimize electron and phonon transport properties. …”
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414
Advancements in Superhydrophobic Paper-Based Materials: A Comprehensive Review of Modification Methods and Applications
Published 2025-01-01“…Inspired by natural examples like the lotus leaf, these materials combine low surface energy with micro/nanostructures to create air pockets that maintain a high contact angle. …”
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415
Selective Oxidation Using Flame Aerosol Synthesized Iron and Vanadium-Doped Nano-TiO2
Published 2011-01-01“…The effects of metal doping on crystal phase and morphology of the synthesized nanostructured TiO2 were analyzed using XRD, TEM, Raman spectroscopy, and BET nitrogen adsorbed surface area measurement. …”
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416
Characterization of Binary Organogels Based on Some Azobenzene Compounds and Alkyloxybenzoic Acids with Different Chain Lengths
Published 2014-01-01“…Meanwhile, these organogels can self-assemble to form monomolecular or multilayer nanostructures owing to the different lengths of due to alkyl substituent chains. …”
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417
A Simple Way to Achieve Self-Cleaning Surfaces with Unique Antifouling Property
Published 2020-01-01“…The influences of micro/nanostructures, fluorination, and their combination on the surface free energy were investigated. …”
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418
Conducting Polymer Nanocomposite for Energy Storage and Energy Harvesting Systems
Published 2022-01-01“…The capability and assistance of modern advancements for the development of multifunctional nanomaterials/nanocomposites have been presented, as well as the approaches for producing nanostructured CPs. The mechanisms underlying their electrical conductivity, and ways for modifying their properties, are investigated. …”
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419
MOX Nanosensors to Detect Colorectal Cancer Relapses from Patient’s Blood at Three Years Follow-Up, and Gender Correlation
Published 2025-01-01“…To this aim, a device equipped with nanostructured gas sensors has been employed to detect the airborne molecules of blood samples collected from healthy subjects, and from colorectal cancer affected patients at different stages of their pre- and post-surgery therapeutic path. …”
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420
Analysis of Refractive Index Sensing Properties of a Hybrid Hollow Cylindrical Tetramer Array
Published 2025-01-01“…The hybrid metal–dielectric nanostructured array provides a possibility for the realization of high-performance sensing devices.…”
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