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Colored Cellulose Nanoparticles with High Stability and Easily Modified Surface for Accurate and Sensitive Multiplex Lateral Flow Assay.
ACS Nano
January 2025
Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai 200241, P. R. China.
Decentralized testing using multiplex lateral flow assays (mLFAs) to simultaneously detect multiple analytes can significantly enhance detection efficiency, reduce cost and time, and improve analytic accuracy. However, the challenges, including the monochromatic color of probe particles, interference between different test lines, and reduced specificity and sensitivity, severely hinder mLFAs from wide use. In this study, we prepared polydopamine (PDA)-coated dyed cellulose nanoparticles (dCNPs@P) with tunable colors as the probe for mLFAs.
View Article and Find Full Text PDFOptimized Rutin-incorporating PEGylated Nanoliposomes as a Model wit Remarkable Selectivity Against PANK1 and MCF7 Cell Lines.
Anticancer Agents Med Chem
January 2025
Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan.
Background: This study aims to enhance the delivery of polyphenols using nanotechnology.
Objective: To develop and evaluate liposomal formulations for improved delivery and stability of polyphenols, specifically focusing on Rutin.
Methods: Liposomal formulations were meticulously prepared via the Thin-Film Hydration method.
A method for analyzing tetrodotoxin (TTX) in miso soup samples was proposed. The samples were purified using strong cation exchange solid-phase extraction and analyzed by liquid chromatography-tandem mass spectrometry. The recovery of TTX was considerably influenced by the salt concentration in the loading solution during purification.
View Article and Find Full Text PDFAn In Vitro Study of the Effects of Methotrexate Loaded Biocomposite Beads on MG63 Osteoblast Cells.
Sci Rep
January 2025
Physics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, 11884, Egypt.
This study aims to synthesize a new localized drug delivery system of bioglass, polyvinyl alcohol (PVA), cellulose (CNC), and sodium alginate (SA) beads as a carrier for methotrexate (MTX) drugs for the treatment of osteosarcoma. Methotrexate /Bioglass-loaded Polyvinyl/Cellulose/Sodium alginate biocomposite beads were prepared via the dropwise method with different concentrations of (65%SiO-30%CaO- 5%PO) bioglass. Samples were named B0, S0, S1, S2, and S3, respectively.
View Article and Find Full Text PDFUnidirectional MCM translocation away from ORC drives origin licensing.
Nat Commun
January 2025
Macromolecular Machines Laboratory, The Francis Crick Institute, London, NW1 1AT, UK.
The MCM motor of the eukaryotic replicative helicase is loaded as a double hexamer onto DNA by the Origin Recognition Complex (ORC), Cdc6, and Cdt1. ATP binding supports formation of the ORC-Cdc6-Cdt1-MCM (OCCM) helicase-recruitment complex where ORC-Cdc6 and one MCM hexamer form two juxtaposed rings around duplex DNA. ATP hydrolysis by MCM completes MCM loading but the mechanism is unknown.
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