Anion-exchangeable modulated fluorescence strategy for sensitive ascorbic acid detection with luminescent Eu hydroxy double salts nanosunflowers derived from MOFs

Nitrogen-doped carbon quantum dots for fluorescence sensing, anti-counterfeiting and logic gate operations

“…Ascorbic acid (AA) is indeed an essential cofactor with important biological functions in the human body, participating in various biological processes. Abnormal levels of AA are associated with several diseases and health issues, such as cardiovascular diseases, 1 kidney stones, 2 iron-deficiency anemia, 3 stomach convulsion 4 and atherosclerosis. 5 Furthermore, due to its antioxidant properties, AA was widely used in the fields of food, beverages, pharmaceutical preparations, and cosmetics.…”

Rational design of a functionalized metal–organic framework for ratiometric fluorimetric sensing of Hg2+ in environmental water

“…[14][15][16] In addition, ratiometric uorimetric analysis based on dual emission uorescence signals was able to correct built-in environmental inuences and reduce the effect of interfering factors, which greatly increases the reliability, accuracy, and sensitivity of the measurement. 17,18 However, traditional uorescence analysis for the quantication of heavy metal ions was commonly developed based on organic dyes, which suffer from a complex synthesis process and poor photostability. 19,20 Lanthanide metal-organic frameworks (Ln-MOFs), formed by lanthanide ions and organic ligands, are a class of open framework materials with large specic surface area, high porosity and unique uorescence properties, which make them a promising material in sensing detection.…”

“…14–16 In addition, ratiometric fluorimetric analysis based on dual emission fluorescence signals was able to correct built-in environmental influences and reduce the effect of interfering factors, which greatly increases the reliability, accuracy, and sensitivity of the measurement. 17,18 However, traditional fluorescence analysis for the quantification of heavy metal ions was commonly developed based on organic dyes, which suffer from a complex synthesis process and poor photostability. 19,20…”

Phenylboronic acid conjugated poly(3,4-ethylenedioxythiophene) (PEDOT) coated Ag dendrite for electrochemical non-enzymatic glucose sensing

“…39,40 Another is the strategy of pre-processing its substrate to control its morphology, such as using photolithography, etching, etc., 41 but special experimental equipment is required. The third strategy is to use materials such as MOF, 42,43 covalent organic frameworks, 44,45 graphene, 46 carbon nanotubes, 47 and nanocomposite 48,49 as support interlayers to increase the electrode-specific surface area or electrical conductance.…”