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Energy-level rich nanorings hybridizing Ag, Au and AgCl as high-performance SERS substrate for numerous molecules.
Talanta
January 2025
MOE Key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, China. Electronic address:
The current surface-enhanced Raman scattering (SERS) substrates typically feature a single energy level, posing challenges in coordinating electromagnetic enhancement (EM) and chemical enhancement (CM), thereby limiting the sensitive detection of numerous crucial target molecules. In this study, novel aggregated nanorings (a-NRs) hybridizing Ag, Au and AgCl are constructed as SERS substrates. On one hand, the obtained a-NRs exhibit robust localized surface plasmon resonance absorption, whose wavelength can be tuned to match three commonly used laser wavelengths (532, 633 and 785 nm) to gain strong EM effect.
View Article and Find Full Text PDFTherapeutic approach of carbon nanotube: Revolutionize nanomaterial in biomedical and pharmaceutical sector.
J Food Drug Anal
December 2024
Pranveer Singh Institute of Technology, Pharmacy, Kanpur, India.
Carbon nanotubes (CNTs) has emerged as a promising nanomaterial with a wide range of potential applications due to their unique structural, mechanical, electrical, and thermal properties. However, numerous obstacles must be overcome for CNTs to be used successfully, including low solubility, aggregation, and a lack of specialized functions. Diverse techniques have been developed for the manufacture, purification, and functionalization of CNTs in order to overcome these issues.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Texas Medical Branch, Galveston, TX, USA.
Background: Rodent models have been proved pivotal in Alzheimer's disease (AD) research. Nevertheless, the use of models that only recapitulate one aspect of AD neuropathology, and of early time points that might be excluding important features such as age-dependent inflammation and senescence, could hinder the development of effective AD therapeutics. Several tau immunotherapies are currently undergoing clinical trial.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Columbia University, New York, NY, USA.
Background: Alzheimer's disease (AD) missing heritability remains extensive despite numerous genetic risk loci identified by genome-wide association or sequencing studies. This has been attributed, at least partially, to mechanisms not currently investigated by traditional single-marker/gene approaches. Polygenic Risk Scores (PRS) aggregate sparse genetic information across the genome to identify individual genetic risk profiles for disease prediction and patient risk stratification.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Pittsburgh, Pittsburgh, PA, USA.
Background: Neurofibrillary tangles (NFT), consisting of hyperphosphorylated tau aggregates, are one of the major pathological hallmarks of Alzheimer's disease (AD). The burden of NFTs correlates with cognitive decline, and in vivo detection of NFT may help predict the clinical progression of AD. Mass spectrometry-based proteomic analysis of brain regions affected by NFTs holds the potential to unveil the molecular mechanisms underlying tau pathogenesis and uncover novel diagnostic/prognostic biomarkers and therapeutic targets.
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