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Rhodamine-functionalized carbon dots with pH-regulated FRET efficiency for ratiometric fluorescence sensing and imaging of extremely alkaline pH.
Mikrochim Acta
January 2025
School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, 421001, China.
A ratiometric fluorescent nanoprobe (CDs-Rho), synthesized through the simple covalent amide linkage between carbon dots (CDs) and pH-sensitive rhodamine dye (Rho), was designed for the precise sensing and imaging of extremely alkaline environments. The sensing mechanism involves the opposite pH-dependent fluorescence changes in CDs and Rho, respectively, coupled with pH-regulated FRET efficiency from CDs to Rho. The nanoprobe features a wide pH response window from pH 7.
View Article and Find Full Text PDFA novel separated OPECT aptasensor based on MOF-derived BiVO/BiS type-II heterojunction for rapid detection of bacterial quorum sensing signal molecules.
Talanta
January 2025
Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Marine Bioresource and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources, No. 6 Xianxialing Road, Qingdao, 266061, PR China. Electronic address:
Quorum sensing signal molecules released by microorganisms serve as critical biomarkers regulating the attachment and aggregation of marine microbes on engineered surfaces. Hence, the development of efficient and convenient methods for detecting quorum sensing signal molecules is crucial for monitoring and controlling the formation and development of marine biofouling. Advanced optoelectronic technologies offer increased opportunities and methods for detecting quorum sensing signal molecules, thereby enhancing the accuracy and efficiency of detection.
View Article and Find Full Text PDFSize-Dependent Separation of Extracellular Vesicle Subtypes with Exodisc Enabling Proteomic Analysis in Prostate Cancer.
J Proteome Res
January 2025
Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
Extracellular vesicles (EVs) are emerging as crucial biomarkers in cancer diagnostics and therapeutics with their heterogeneity presenting both challenges and opportunities in prostate cancer research. However, existing methods for isolating and characterizing EV subtypes have been limited by inefficient separation and inadequate proteomic analysis. Here we show an optimized centrifugal microfluidic device, Exodisc, that efficiently isolates large quantities of EV subtypes from particle-enriched medium, enabling comprehensive proteomic analysis of small (EV-S, 20-200 nm) and large (EV-L, >200 nm) EVs.
View Article and Find Full Text PDFComparative Study between Two Adjacent Implants Supported Crowns and One Implant Supported Cantilever Fixed Dental Prosthesis: An Study.
J Contemp Dent Pract
October 2024
Department of Crown and Bridge, Faculty of Dentistry, Al-Azhar University, Cairo, Egypt.
Aim: To assess hard as well as soft peri-implant tissues within cases having two lost adjacent anterior teeth treated through placing either two implants with two separate crowns or only an implant along with a crown with a cantilever, and evaluating the effect of polyetheretherketone (PEEK) restoration on cantilever design up to 18 months after functional loading.
Materials And Methods: Twenty-seven participants (15 males and 12 females; mean age, 38.6 years; range 20-50 years) with missing two adjacent anterior teeth were treated with implant system (Flotecno implant system, Italy).
Establishing freshwater sediment sample pretreatment methods for monitoring microplastics and its challenges.
Chem Eng J
July 2024
Program in Environmental and Polymer Engineering, Graduate School of INHA University, 100 Inha-ro, Michuhol-gu, Incheon 22212, Korea.
Microplastics (MPs) have been detected in various environmental matrices, drinking water, and food, and their presence is an ecological and human health concern. Most research on MPs has focused solely on their detection and analysis. However, sample pretreatment methods are critical for accurate MP analysis and must be properly established.
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