A convenient fluorescence sensor of tetracycline based on B, N codoped carbon dots/polymer composite film

Application of optical hydrogels in environmental sensing

“…CDFHs were also used to detect antibiotics (such as tetracycline [165][166][167] and rifampicin [168] ). All of these studies have shown that the absorption spectra of antibiotics and the excitation spectrum of CDs have enough overlap to cause fluorescence quenching.…”

“…All of these studies have shown that the absorption spectra of antibiotics and the excitation spectrum of CDs have enough overlap to cause fluorescence quenching. Some researchers attributed this to the inner filter effect (IFE) between antibiotics and CDs [166,167] . Others attributed it to the FRET effect caused by the combination of antibiotics and surface functional groups of CDs [165,168] .…”

Radial mesoporous silica supported Eu3+‐functionalized carbon dots for ratiometric tetracycline detection and their polyvinylidene fluoride hybrid film for temperature sensing

“…Various common inorganic cations and anions (K + , Ba 2+ , Mg 2+ , Na + , Al 3+ , Ca 2+ , Zn 2+ , Pb 2+ , Cl À , AC À , CO 3 2À , SO 4 2À ), as well as some representative amino acids and antibiotics that may coexist in biological systems (Arg, Glu, Cys, Asp, GAS, CHL, ERY, AMP, NEO, CTC, OTC, and DOX), were selected and used as potential interfering samples to test the selectivity of mSiO 2 -CDs-Eu nanoprobe for TC sensing. After adding the above-interfering substances to the sensing system, the UiO-67/NSC Turn-off 0.063 mg/L 0.08-20 mg/L [46] PEI-OVA-AuNCs Turn-off 0.563 μM 1 -30 μM [47] CDs/PVA Turn-off 0.17 μM 0 -350 μM [48] Eu-BTC Turn-off 39.8 nM 0-140 μM [49] B-CQDs@Eu/MIPs Ratiometric 7.9 nM 25-2000 nM [50] GQDs-Eu 3+ Ratiometric 8.2 nM 0-20 μM [30] BNQD-Eu 3+ Ratiometric 0.019 μM 0 -50 μM [51] Eu 3+ @AIEgen Ratiometric 28.83 nM 0.0961-10.0 μM [52] Cu-CDs-COOH-Eu Ratiometric 36.1 nM 0.4-60 μM F 616 /F 447 values of the mSiO 2 -CDs-Eu fluorescent probe did not change significantly, and only the addition of TC antibiotics (TC, OTC, DOX, and CTC) resulted in significant fluorescence enhancement of F 616 /F 447 ratios for mSiO 2 -CDs-Eu, and the TC molecules showed the most obvious fluorescence enhancement effect (Figure 3c-d).…”

Luminescent porous metal–organic gels for efficient adsorption and sensitive detection of chlortetracycline hydrochloride assisted by smartphones and a test paper-based analytical device

“…63 Thereafter, the detection limit of JLUE-MOG-9 for CTC was determined as 0.079 μM, demonstrating JLUE-MOG-9 had high sensitivity to CTC, which was at the same level as in the previous reported literature (Table S10 †). 33,[64][65][66][67][68][69][70] Nevertheless, the potential inferred substances in actual operational environments may have impacts on the fluorescence of JLUE-MOG-9. Satisfactorily, when various inorganic ions were added into the CTC solution, the changes of I 0 /I were acceptable (Fig.…”