An off-on fluorescent probe based on graphene quantum dots intercalated hydrotalcite for determination of ascorbic acid and phytase

One-Step Synthesis of Nitrogen/Fluorine Co-Doped Carbon Dots for Use in Ferric Ions and Ascorbic Acid Detection

“…Table S4 presents the comparison of the current AA detection modes, linear ranges, and LODs from recent reports. Thus, the NFCDs prepared in the present work showed comparable LODs and linear ranges when compared with previous research [ 9 , 10 , 26 , 37 ].…”

“…On the other hand, ascorbic acid (AA), also named vitamin C, is one of the most important water-soluble vitamins in the human body. The excess or lack of AA would reduce the metabolism and redox and thus lead to various diseases [ 9 , 10 ]. Generally, the fluorescent materials applied for metal ions and AA detection are divided into several groups, including gold and silver nanoclusters [ 11 , 12 ], organic dyes [ 13 , 14 ], and so on [ 15 , 16 ].…”

Amino‐functionalized perylenediimide derivative with dual fluorescence emission for the detection of ascorbic acid in vivo and in vitro

“…[34] One can see that the Lineweaver-Burk plot displays good correlation (Figure 6d), indicating that the fluorescence quenching mechanism was owing to static quenching. Polyvinylpyrrolidone and graphene composite Electrochemistry 6-1000 μM 1.0 μM [36] Carbon dots Fluorometry 100 μM to 0.8 mM 50 μM [37] Lactate dehydrogenase-graphene quantum dots (LDH-GQDs) fluorescent probe Fluorometry 5-300 μM 1.73 μM [16] Methacrylated graphene oxide-grafted polyaniline Electrochemistry 8-5000 μM 2 μM [38] Cobalt oxyhydroxide (CoOOH) modified aminoperylenediimide (APDI) Fluorometry 0.05-1 μM 17 nM This work at 549 nm and 596 nm increased with increasing AA concentration.…”

“…Until now, numerous methods for the detection of AA have been developed, including those methods based on electrochemistry, [9][10][11] spectrophotometry, [12,13] and chemiluminescence. [14][15][16][17] Due to high sensitivity, selectivity, and simplicity of operation, fluorescence-based methods, especially those based on ratiometric fluorescence, have attracted increasing attention in sensing and bioimaging. Through recording the ratio of fluorescence intensity at two different wavelengths, it can eliminate the influence of various factors including instrument efficiency, probe concentration, and environmental interference.…”

Smart intercalation and coordination strategy to construct stable ratiometric fluorescence nanoprobes for the detection of anthrax biomarker

“…39,40 Therefore, such unique structures with an atomic level distribution of metal cations and excellent anion exchange intercalation properties allow the LDHs to have versatile applications, as catalysts, 41,42 adsorbents, 43,44 biology 39,45,46 and nanoreactors. [47][48][49] Remarkably, lanthanide-functionalized LDHs with a homogeneous distribution of lanthanide ions and synergistic effects tend to provide excellent optical materials. [50][51][52] In particular, ratiometric fluorescent DPA nanosensors were successfully constructed by intercalating organic chromophores with anionic groups into the lanthanide-based LDH interlayer.…”