Fluorescence and colorimetric sensors have gained significant traction in diverse scientific domains, including environmental, agricultural, and pharmaceutical chemistry. This article comprehensively surveys recent advancements in developing sensors employing 1,4-dihydroxyanthraquinone(1,4-DHAQ). The study delves into the unique properties of 1,4-dihydroxyanthraquinone(1,4-DHAQ) as a sensor, focusing on its capacity to detect Cu ions and elucidating its fluorescence quenching mechanisms. Furthermore, the interaction of dihydroxyanthraquinone with Ga(III), Al(III), and In(III) ions is explored under both aqueous and non-aqueous conditions, leading to the formation of distinctive fluorescent species. The investigation extends to factors influencing ligand behavior, including time dependency, temperature, solvent type, counterions, and pH levels. These key parameters are systematically analyzed to understand sensor performance better. In conclusion, the article investigates the utility of the 1,4-dihydroxyanthraquinone-Zn probe as a versatile sensing platform for phosphate anions, particularly in live cell imaging. The findings contribute to the evolving landscape of sensor technologies, offering insights into the diverse applications and potential advancements in this burgeoning field.
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http://dx.doi.org/10.1007/s10895-024-03625-9 | DOI Listing |
Anal Bioanal Chem
January 2025
College of Chemistry and Chemical Engineering, Linyi University, Linyi, 276000, China.
A molecular beacon is an oligonucleotide hybridization probe that can report the presence of specific nucleic acids in homogeneous solutions. Using an aptamer has allowed an aptamer-based molecular beacon-aptamer beacon to be developed, which has shown advantages of simplicity, rapidity, and sensitivity in imaging and sensing non-nucleic acid substances. However, due to requirement for a deliberate DNA hairpin structure for the preparation of a molecular beacon, not any given aptamer is suitable for designing an aptamer beacon probe.
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December 2024
The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, 523700, China. Electronic address:
This research presents a systematic review of the application of metal-organic frameworks (MOFs) to detect volatile organic compounds (VOCs). VOCs, compounds with high vapor pressure at ambient temperature and normal pressure, are widely present in a variety of industrial and living environments. VOCs are not only hazardous to the environment but also have a severe impact on human health.
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December 2024
Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China. Electronic address:
The detection of both Br and its derivative of tetrabutylammonium tribromide (TBATB) is a very important issue concerning their biological toxicity but remains challenging. Fluorescent sensing is one of the few methods possessing both selectivity and sensitivity. Moreover, it could be able to be utilized in biological system, but rarely reported.
View Article and Find Full Text PDFJ Food Drug Anal
December 2024
Zhenjiang College, Zhenjiang, 212000, PR China.
Ascorbic acid (AA) is used as a food additive for its antibacterial and antioxidant properties. However, excessive intake of AA is harmful to humans. Therefore, the detection of Fe and AA is generally recognized to be meaningful.
View Article and Find Full Text PDFFood Chem
December 2024
State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China.
The denatured bovine serum albumin (dBSA) is coupled with the CdTe/CdS quantum dot and the resulting CdTe/CdS@dBSA complex is assembled and retained in the poly(n-isopropyl acrylamide) (PNIPAM) hydrogel via regulating temperature and pH to form the CdTe/CdS@dBSA-PNIPAM fluorescence hydrogel substrate, which is able to adsorb and sense cadmium ions (Cd). Based on this fluorescence hydrogel, a fluorescence and colorimetric dual-mode detection system is established to quantitatively detect Cd with a limit of detection (LOD) of 2.88 nM for fluorescence detection and 11.
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