RSC Advances
·
2022
·Vol. 12
·期 45
·29585-29594
·
IF 4.036
Jia-Yu Zeng,Yu-Qi Liang,Yan-Ni Wu,Xiao-Yi Wu,Jia-Ping Lai,Hui Sun
A ratiometric fluorescent probe with blue-emission fluorescence based on N, Si-doped carbon dots (N, Si-CDs) for the detection of balofloxacin (BLFX) was synthesized by simple one-pot hydrothermal carbonization using methotrexate and 3-aminopropyltriethoxysilane (APTES) as carbon materials. The obtained N, Si-CDs showed dual-emission band fluorescence characterization at 374 nm and 466 nm. Furthermore, the synthesized N, Si-CD probe exhibited evidence of ratiometric fluorescence emission characteristics (F466/F374) toward BLFX along with a decrease in fluorescence intensity at 374 nm and an increase in fluorescence intensity at 466 nm. Based on this probe, a highly sensitive and fast detection method for the analysis of BLFX has been established with a linear range of 1–60 μM and a low detection limit of 0.1874 μM, as well as a rapid response time of 5.0 s. The developed assay has also been successfully applied for the detection of BLFX in tablets and rat serum.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Materials Science & Engineering C-Materials for Biological Applications
·
2020
·
IF 5.88
Fan Zhang,Xiangsheng Han,Chuanlong Guo,Hui Yang,Jun Wang,Xiaochen Wu
Bacterial infections severely retard the wound healing process. Antibacterial drugs were loaded onto aramid nanofibers (ANFs) hydrogels through a convenient strategy to fabricate dressings for bacterial infected wound healing. ANFs hydrogels owned good mechanical properties, high water content (>98%), high water adsorption property (>10,000%) and good water retention ability (a water retention of >5000% after incubating at RH 30% for 8 h), capable to absorb and retain the wound exudate to form a moist environment. The incorporation of antibacterial drugs promised the ANFs hydrogels with durable antibacterial properties. Furthermore, the drug loaded ANFs hydrogels had no cytotoxicity nor hemolytic potential. In vivo skin wound healing results confirmed that the composite hydrogels accelerated the healing rate of infection wounds on mice and were suitable as a potential anti-infective wound dressing.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SCIENCE OF THE TOTAL ENVIRONMENT
·
2018
·
IF 4.61
Suyu Ren,Jing Tao,Feng Tan,Ying Cui,Xiaona Li,Jingwen Chen,Xin He,Yi Wang
Diffusive gradients in thin films (DGT) can achieve the time-weighted-average (TWA) concentrations of analytes in the period of deployment. Here we developed an approach based on DGT with a novel binding gel using porous carbon material (PCM) derived from metal-organic framework (MOF) for in-situ measurement of antibiotics in water samples. The diffusion coefficients of 20 antibiotics (nine sulfonamides, ten fluoroquinolones, and trimethoprim) in agarose diffusive gel were 1.41 × 10 −6 cm 2 /s to 4.75 × 10 −6 cm 2 /s at 25 °C. The capacity of PCM binding gel toward the antibiotics was ~100 μg per gel disc. The masses of the antibiotics accumulated by PCM-based DGT increased linearly with time, and they were almost independent of pH (4.2–8.4) and ionic strength (1–500 mM). The performance of the novel DGT was evaluated using freshwater and synthetic seawater spiked with the antibiotics in laboratory. The results showed good agreement with the theoretical predications except sulfacetamide. The detection limits achieved by the DGT with three devices together for deploying up to seven days were 1.0–18.0 ng/L. Field deployment in municipal wastewater treatment plant effluent and seawater showed that the TWA concentrations of antibiotics were 3.8–1342.5 ng/L and 5.6–43.3 ng/L, respectively, which were comparable to those measured by grab sampling. The proposed DGT was an efficient tool for the measurement of antibiotics in environmental waters.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Hu Xu,Xin Chen,Yujuan Jia,Xinran Gao,Shuaihang Guo,Dongxu Jia,Yanxia Zhang,Qian Yu
Bacterial biofilm-associated infections pose a significant challenge in biomedical fields, especially in the context of medical devices and implants, where conventional treatments often fail to combat mature biofilms. To overcome this limitation, an antibiofilm coating was developed, incorporating three functional components: carbon nanoparticles derived from candle soot (CS), hydrophilic and pH-responsive copolymer brushes of 2-hydroxyethyl methacrylate (HEMA) and 3-(acrylamido)-phenylboronic acid (APBA), and natural quorum sensing inhibitors (QSIs). The carbon nanostructure of the CS substrate provides inherent photothermal conversion properties, while its high surface area facilitates efficient chemical functionalization. The copolymer design strategically incorporates hydrophilic poly(HEMA) domains that form bacteria-repellent hydration layers, alongside APBA moieties that covalently bind plant-derived QSIs (quercetin or baicalein) through pH-sensitive boronate ester linkages. This combination of components enables the coating to suppress biofilm formation via three synergistic mechanisms: bacterial adhesion is initially inhibited by hydration barriers, surface-bound pathogens are subsequently eradicated through photothermal conversion upon near-infrared activation, and the release of QSIs triggered by the acidic microenvironment disrupts biofilm maturation. The coating demonstrated sustained antibiofilm efficacy against both Pseudomonas aeruginosa and Staphylococcus aureus , while preserving mammalian cell viability and substrate compatibility across various biomedical materials. By integrating physical barriers, thermal ablation, and quorum sensing interference through precise material engineering, this coating offers a promising solution for preventing biofilm-associated infections in clinical settings.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）