Graphitic carbon nitride QDs impregnated biocompatible agarose cartridge for removal of heavy metals from contaminated water samples

Recent Advances in Graphitic Carbon Nitrides (g‐C3N4) as Photoluminescence Sensing Probe: A Review

“…The reported sensing probe was able to quantify the presence of Hg 2 + in solution phases in a wide concentration range of 50 ppb to 50 ppm. [177] Different morphologies of g-C 3 N 4 including both onedimensional rod-like as well as two-dimensional sheet-like structures were fabricated for the detection of different transition/heavy metals like copper, iron, nickel, lead, etc. The g-C 3 N 4 nanorods (RGCN) offer a high surface-to-volume ratio which helps to expose all its coordination locations to the metal ions.…”

“…Micro‐cartridge removes heavy metal contamination from polluted water with a binding efficiency of 24.63 mg HgCl 2 for 10 mg of the agarose‐g‐C 3 N 4 conjugate. The reported sensing probe was able to quantify the presence of Hg 2+ in solution phases in a wide concentration range of 50 ppb to 50 ppm [177] …”

Nanomaterial based aptasensors for clinical and environmental diagnostic applications

“…[85][86][87][88] Due to their high luminosity, QDs are utilized as uorescent probes in conventional uorescence assays and the signal can be measured even at ultra-low analyte concentrations owing to high signal intensity per unit analyte interaction. [89][90][91] Apart from QDs, a novel "turn-on" biosensor was developed by Zhang & Wei for the detection of lead ions using silver nanoclusters (AgNCs). 92 This highly selective, simple and sensitive assay uses a delicate construct using a lead(II) ion binding central region anked by silver binding regions on both ends (Fig.…”

A dual-channel “on–off–on” fluorescent probe for the detection and discrimination of Fe3+ and Hg2+ in piggery feed and swine wastewater

“…Carbon dots (CDs) are emerging carbonaceous materials with unique properties; compared with traditional organic uorescent dyes and inorganic quantum dots, carbon dots have many unique advantages, including easy preparation, high uorescence intensity, good water solubility, high stability, low toxicity, and excellent biocompatibility. [19][20][21][22] They have been broadly utilized in the detection of ions 23,24 and small molecules, 25 biological imaging, 26 etc. 27 Many methods have been reported for the synthesis of CDs, such as microwave-assisted synthesis, 28 electrochemical synthesis, 29 hydrothermal synthesis, 30 and acid oxidation.…”