Dual-Component Ratiometric Fluorescent Platform Constructed by Gold Nanoclusters and Cerium-doped Terbium-based Metal-organic Framework for Microcystin-LR Detection

Rationally Designed Blue-to-Green Carbon Dot Nanoplatform for Self-Calibrated Ratiometric Fluorescence Sensing of Vitamin B2

Nanomaterial-based fluorescent probes have attracted considerable attention for sensitive biomolecule detection owing to their unique optical properties, high surface-to-volume ratio and excellent surface functionality. Herein, we report rationally designed blue-to-green carbon dots (BG-CDs) as a multifunctional carb...

A ratiometric dual-emission Eu3+@Cd-MOF fluorescent platform for multi-pollutant detection and visual sensing.

The development of reliable and portable dual-emission fluorescent platforms is highly desirable for real-time environmental pollutant monitoring. In this work, a Eu3+-functionalized Cd-based metal-organic framework (Eu3+@Cd-MOF) probe was prepared via a post-synthetic modification strategy. The resulting material exhi...

Ratiometric Quantum Dot Nanosensor for Reliable Dual Detection of Silver Ions and L-Cysteine in Biological Matrices.

Turn-Off Fluorescent Sensor Based on 3-Aminophenylboronic Acid-Modified CdSe/ZnS Quantum Dots for Specific Detection of γ-Hexachlorocyclohexane (Lindane)

Herein, a highly selective and sensitive fluorescent sensing system is developed for the accurate quantitative determination of γ-Hexachlorocyclohexane (γ-HCH, Lindane). With carboxyl-functionalized CdSe/ZnS core–shell quantum dots (QDs) as the substrate, 3-Aminophenylboronic acid (3-APBA) is covalently conjugated onto...

A ratiometric fluorescence sensor based on Eu3+@tetrafluorosuccinic acid functionalized UiO-67: Enhancing the detection performance of ofloxacin through pre-concentration effect.

The excessive use of ofloxacin (OFL) has led to its persistent residues in water sources and animal-derived foods, posing a threat to human health. Therefore, it is urgent to develop fluorescent sensing materials capable of detecting ofloxacin in water environments and food matrices. Herein, a novel Eu3+@tetrafluorosuc...

Triadic Mn–ZnS/MOF/MIP Fluorescent Sensor for Highly Sensitive and Selective Sulfathiazole Detection

Sulfathiazole (STH) pollution has been increasing, with a strong need for a sensitive and selective analysis method. In this paper, a three-component fluorescent sensing platform with Mn2+-doped ZnS quantum dots in a metal–organic framework coated with a surface molecularly imprinted polymer (Mn-ZnS-MOF-MIP) for select...