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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Herein we investigate the size-dependent force of endocytosing single gold nanoparticles by HeLa cells. The results reveal that both the uptake and unbinding force values are dependent upon the size of gold nanoparticles.
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http://dx.doi.org/10.1039/c1cc11453k | DOI Listing |
Nanoscale Adv
December 2024
Institute for Optics and Atomic Physics, Technical University Berlin Hardenbergstr. 36 10623 Berlin Germany
Gilded wall paintings such as those in Petra-Jordan undergo deterioration processes such as delamination and loss of the gold layer. The aim of this work is to produce a functioning long-lasting adhesive that compensates for binder and gold loss while stabilising the gold layer. Polymer-stabilised gold nanoparticles (AuNPs) as a conservation material for gilded heritage paintings (Nano Gold Gel (NGG)) were synthesised using two facile and affordable synthesis approaches.
View Article and Find Full Text PDFNano Lett
December 2024
Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea.
Interparticle ligand exchange can occur during the formation of nanoparticle superlattices (NPSLs), affecting the symmetry of the NPSLs. Here, we report time-resolved small-angle neutron scattering (TR-SANS) measurements of the interparticle exchange kinetics of thiolate ligands among gold nanoparticles (AuNPs) at different temperatures. To track the ligand exchange among AuNPs, two groups of AuNPs were functionalized with hydrogenated and deuterated dodecanethiol, respectively, and then mixed in a solvent mixture of toluene and deuterated toluene for shell contrast.
View Article and Find Full Text PDFColloids Surf B Biointerfaces
December 2024
The Affiliated Guangdong Second Provincial General Hospital of Jinan University, PR China. Electronic address:
Alpha-fetoprotein (AFP), serves as a reliable and vital biomarker for precise diagnosis and effective monitoring of hepatocellular carcinoma, requires precise detection. Herein, a sandwich-structured electrochemical immunosensor was crafted, employing three-dimensional layered porous carbon modified with gold nanoparticles (Au NPs) as the substrate and Au NPs/CuS as the labeling compound for accurate and sensitive detection of AFP. Due to the effective coordination between the 3D carbon network, Au NPs, and hollow CuS nanocubes, the sandwich-structured electrochemical immunosensor was able to produce three distinct response signals via various detection techniques, demonstrating a broad linear range (0.
View Article and Find Full Text PDFAnal Chem
December 2024
Department of Chemistry, Wuhan University, Wuhan 430072, China.
MicroRNAs (miRNAs) regulate a myriad of biological processes and thus have been regarded as useful biomarkers in biomedical research and clinical diagnosis. The specific and highly sensitive detection of miRNAs is of significant importance. Herein, a sensitive and rapid dual-amplification elemental labeling single-particle inductively coupled plasma-mass spectrometry (spICP-MS) analytical method based on strand displacement amplification (SDA) and CRISPR/Cas12a was developed for miRNA-21 detection.
View Article and Find Full Text PDFNanoscale Adv
December 2024
Institute of Chemical Technology, Vietnam Academy of Science and Technology 1A TL29 Street, District 12 Ho Chi Minh City 700000 Vietnam
In this study, we introduce an synthesis technique for incorporating gold nanoparticles (AuNPs) into a magnetic nanocomposite made of glucosamine and alginate (GluN/Alg) ionotropic gelation. GluN acted as a reducing agent for gold ions, leading to the formation of AuNPs which embedded in the nanocomposite FeO@GluN/Alg. Analytical techniques confirmed the crystallite structure of the nanocomposite AuNPs/FeO@GluN/Alg, which had an average size of 30-40 nm.
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