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Qiuling Ma,Huixuan Zhang,Yuqi Cui,Xiaoyong Deng,Ruonan Guo,Xiuwen Cheng,Mingzheng Xie,Qingfeng Cheng 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.57 No.-
Cu2O decorated TiO2 nano-tube arrays (Cu2O/TiO2 NTAs) photoelectrode was fabricated throughelectrodeposition strategy. Meanwhile, physicochemical properties of the resulting photoelectrode weresystematically studied by series of measurements. Results indicated that Cu2O/TiO2 NTAs photoelectrodeperformed a significantly enhanced light absorbance in the visible region between 400 and 800 nm,transient photocurrent density of 0.162 mA Cm 2, photogenerated charge separation efficiency and 99.9%of photoelectrocatalytic efficiency for decomposition of 2,4,6-trichlorophenol within 120 min Xenonillumination with the help of +1.0 V (vs. SCE) potential. Furthermore, the enhanced visible lightresponsible photoelectrocatalytic mechanism was proposed and discussed.
Jianfeng Gou,Qiuling Ma,Yuqi Cui,Xiaoyong Deng,Huixuan Zhang,Xiuwen Cheng,Xiaoli Li,Mingzheng Xie,Qingfeng Cheng,Huiling Liu 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.49 No.-
In this study, high visible light response and charge separation efficiency of body-centered cubic Ag3PO4sub-microcrystals were fabricated through ultrasound-precipitation process. Additionally, the parameterswere optimized by photocatalytic (PC) removal degradation of diclofenac based on response surfacemethodology. Results indicated that the PC removal efficiency of diclofenac was significantly affected byAg3PO4 content and pH value. Under the optimized conditions, 99.9% of diclofenac could be degradedwithin 16 min Xenon illumination. Furthermore, three PC removal degradation pathways of diclofenacwere proposed, including OH-adduct to aromatic ring, direct oxidation by photoinduced holes anddecarboxylation of side chain from the parent compound.
Jiachen Shi,Qiuling Ma,Wenting Su,Congyan Liu,Huangqin Zhang,Yuping Liu,Xiaoqi Li,Xi Jiang,Chang Ge,Fei Kong,Yan Chen,Ding Qu 한국생체재료학회 2023 생체재료학회지 Vol.27 No.00
Background Conventional dissolving microneedles (DMNs) face significant challenges in anti-melanoma therapy due to the lack of active thrust to achieve efficient transdermal drug delivery and intra-tumoral penetration. Methods In this study, the effervescent cannabidiol solid dispersion-doped dissolving microneedles (Ef/CBD-SD@ DMNs) composed of the combined effervescent components (CaCO3 & NaHCO3) and CBD-based solid dispersion (CBD-SD) were facilely fabricated by the “one-step micro-molding” method for boosted transdermal and tumoral delivery of cannabidiol (CBD). Results Upon pressing into the skin, Ef/CBD-SD@DMNs rapidly produce CO2 bubbles through proton elimination, significantly enhancing the skin permeation and tumoral penetration of CBD. Once reaching the tumors, Ef/CBD-SD@ DMNs can activate transient receptor potential vanilloid 1 (TRPV1) to increase Ca2+ influx and inhibit the downstream NFATc1-ATF3 signal to induce cell apoptosis. Additionally, Ef/CBD-SD@DMNs raise intra-tumoral pH environment to trigger the engineering of the tumor microenvironment (TME), including the M1 polarization of tumor-associated macrophages (TAMs) and increase of T cells infiltration. The introduction of Ca2+ can not only amplify the effervescent effect but also provide sufficient Ca2+ with CBD to potentiate the anti-melanoma efficacy. Such a “one stone, two birds” strategy combines the advantages of effervescent effects on transdermal delivery and TME regulation, creating favorable therapeutic conditions for CBD to obtain stronger inhibition of melanoma growth in vitro and in vivo. Conclusions This study holds promising potential in the transdermal delivery of CBD for melanoma therapy and offers a facile tool for transdermal therapies of skin tumors.
Yuqi Cui,Qi Meng,Xiaoyong Deng,Qiuling Ma,Huixuan Zhang,Xiaoli Li,Mingzheng Xie,Qingfeng Cheng,Xiuwen Cheng 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.43 No.-
In this study, Pt NCs/TiO2 NTAs photoelectrode was fabricated through anodization process, followed byrecycle pulse electrodeposition strategy. Subsequently, physicochemical properties of the resultingsamples were studied systematically. Results indicated that Pt NCs/TiO2 NTAs photoelectrode exhibitedintense light absorbance both in the UV and visible region, high transient photocurrent density of0.089 mA cm 2 and open circuit potential of 0.275 V cm 2. In addition, 98.3% of aspirin could beeliminated within 4 h Xenon illumination with the help of +0.4 V potential. Furthermore, it can beconcluded that two tentative pathways for PEC degradation of aspirin were proposed and confirmed.