An ESIPT-based fluorescent probe for the detection of multiple analytes and a facile approach to discriminate between arsenate and pyrophosphate in water

Abstract

A simple ESIPT-based fluorescent probe for the detection of multianalyte such as chromium (Cr3+), arsenate (HAsO42-) and pyrophosphate (PPi, P2O74-) has been reported. Probe HJ-DNP displayed weak emission in organic...

Self-assembled emissive probe for efficient sensing of Fe(iii) and cysteine in a physiological medium: application in real water and food samples

“…17 AIE receptors have garnered significant interest as innovative fluorescent sensors for the sensitive and selective detection of a range of metal ions such as Fe(III), Cu(II), Co(II), Al(III), K(I), Ca(II), Cr(III), Zn(II), Ga(III), As(III), Ag(I), Cd(II), and Ni(II). [18][19][20][21][22][23][24][25][26][27][28][29] Therefore, this characteristic was utilized in the development of a sensor capable of functioning as a turn-on fluorescent sensor for Fe(III).…”

Development of multi-analyte responsive sensors: optical discrimination of arsenite and arsenate ions, ratiometric detection of arsenite, and application in food and water samples

“…38 Various colorimetric and fluorescent chemosensors were developed to detect arsenite (AsO 2 − ), arsenate (AsO 4 3− ), and phosphate (PO 4 3− ) in organic and semi-aqueous media. 32,35,[39][40][41][42][43][44][45][46][47][48][49][50][51][52] However, most of the detection strategies adopted fluorescence sensing. Colorimetric detection has the advantage of naked-eye visualization; hence, more efforts are needed to be made to design colorimetric sensors for inorganic arsenic anions.…”

Colorimetric differentiation of arsenite and arsenate anions using a bithiophene sensor with two binding sites: DFT studies and application in food and water samples

“…[21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36] Although some literature is available on detecting inorganic arsenic anions (arsenite and arsenate), there are still research scopes and gaps in sensing studies. 15,22,[37][38][39][40][41][42][43] Most chemosensors for arsenic anions operate through uorogenic methods, requiring uorescence lamps and instruments for visualizing the detection process. 6,36,42,[44][45][46][47][48][49][50] Colorimetric detection, on the other hand, offers the advantage of naked-eye visualization and identication of detection phenomena.…”