Cosmetics
·
2025
·Vol. 12
·期 2
·68
·
IF 3.2
Yuan Wang,Xin Nie,Jiangming Zhong,Jing Wang,Lanyue Zhang,Peng Shu
Skin photoageing remains a topic of considerable concern. Retinol (RT) and retinyl palmitate (RP) have shown preliminary therapeutic efficacy; nevertheless, the high irritation associated with RT and the relatively modest efficacy of RP have constrained their broader application. Consequently, this study explored the effects and biosafety of RT and RP in repairing UV-induced skin ageing through a series of in vitro cell experiments, in vitro hemolysis assays, UV-irradiated mouse models, and molecular simulation techniques. The findings revealed that the interaction between RT and RP achieved complementary and enhanced therapeutic outcomes. Specifically, this combination improved the biosafety profile of retinoid formulations, accelerated cell migration rates, and facilitated the activation of the peroxisome proliferator-activated receptor α (PPARα) pathway. Moreover, the action of RT and RP further mitigated epidermal hyperplasia, mast cell infiltration, and the expression levels of interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumour necrosis factor-α (TNF-α), while stimulating the synthesis of type I collagen. Metabolomics and transcriptomics analyses indicated that RT and RP exerted complementary effects through metabolic pathways, significantly elevating the overall therapeutic efficacy. Network pharmacology and molecular docking studies unveiled that the structural similarity between RT and RP was one of the contributors to their enhancement. In conclusion, this study demonstrated that the combined application of RT and RP exhibited marked effects. Through their mutual action, they not only potentiated each other’s therapeutic effects but also achieved complementary and optimised therapeutic outcomes, thereby substantially enhancing the overall efficacy.
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OPTICAL MATERIALS
·
2025
·
IF 4.2
Jinjie Zheng,Honglie Shen,Yufang Li,Huanlun Tong,Jingzhe Zhang,Zhihong Xie
In this study, a novel fabrication method for a bilayer film consisting of the Bi 2 Mo 3 O 12 :Eu 3+ and CaF 2 was developed. Bi 2 Mo 3 O 12 :Eu 3+ film was prepared using the chemical solution method, eliminating the need for separate phosphor preparation. The excitation spectra of Bi 2 Mo 3 O 12 :Eu 3+ displayed a broad band within the range of 300 and 420 nm. Under ultraviolet (UV) excitation, the material emitted strong red luminescence, with a dominant peak around 615 nm, which coincides with the absorption range of silicon solar cells. Additionally, a CaF 2 anti-reflection layer was introduced to enhance optical transmittance. The average transmittance of the Bi 2 Mo 3 O 12 :Eu 3+ @CaF 2 bilayer film reached 92.3%, representing a 0.7% increase compared to the bare glass substrate (91.6%). As a proof-of-concept, applying Bi 2 Mo 3 O 12 :Eu 3+ @CaF 2 to this bilayer film on photovoltaic modules resulted in an absolute enhancement of 0.19% in power conversion efficiency.
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Journal of Materials Chemistry C
·
2025
·
IF 5.1
Ge Gao,Li Chen,Xingyu Pan,Dingyiran Wu,Dingkang Xiong,Liuting Chen,Bingsuo Zou
All-inorganic lead halide perovskite quantum dots (QDs) have emerged as promising materials for photodetection owing to their exceptional optoelectronic properties. However, solution-processed CsPbBr3 QD films suffer from severe carrier recombination losses and inefficient charge transport. Herein, we address these challenges through rational design of Type-II CsPbBr3/SnS2 nanohybrid heterostructures, where SnS2 nanoparticles serve as electron transport pathways. Systematic characterization reveals that the interfacial energy band alignment enables fast charge separation while suppressing radiative recombination compared to pristine CsPbBr3 QDs. Based on these advantages of the CsPbBr3/SnS2 heterostructure, we demonstrate a self-powered UV photodetector exhibiting high sensitivity with a detectable threshold as low as 0.06 mW cm−2 at zero bias. The optimized device exhibits a high responsivity of 142.5 mA W−1, a remarkable specific detectivity of 1.13 × 1013 Jones, an ultrafast response time of 4 ms and a linear dynamic range of 84.4 dB. The device also exhibits an ultralow dark current in the order of 10−11 A, enabling a light-to-dark current ratio of up to 16 522. These parameters surpass those of most previously reported perovskite QD-based photodetectors. This work provides a viable strategy for engineering perovskite heterostructures toward high-performance optoelectronics, particularly for UV monitoring and industrial process control systems requiring zero-power operation.
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PROGRESS IN ORGANIC COATINGS
·
2025
·
IF 7.3
Hanzhi Zhang,Xiangjian Meng,Yanlin Zhu,Yuxiang Liu,Yu He,Xuehu Men,Suwen Chen
The rapid advancement of nuclear technology has heightened the urgent need for effective decontamination strategies, especially under low-temperature conditions. Although peelable coatings offer a practical solution to radioactive decontamination, their low-temperature performance remains largely unexplored. In this study, a UV-curable, solvent-free peelable coating was developed utilizing polyurethane as the matrix and acrylic ester as the active diluent. Due to the low glass transition temperature (Tg) provided by flexible long chains in its formulation, this peelable coating can rapidly cure at low temperatures while maintaining favorable mechanical properties (tensile strength of 11.34 MPa, elongation at break of 38.32 %) and peelability (peel strength below 2.88 N/cm on concrete plates) even at −15 °C, fulfilling low-temperature decontamination requirements. Moreover, this peelable coating maintains a high decontamination rate (above 94.49 % on glass and stainless steel plates, and 87.78 % on concrete plates) even at −15 °C across various substrates including glass, stainless steel, and concrete, highlighting its excellent temperature adaptability. This solvent-free peelable coating presented in this study offers a novel and sustainable strategy for radioactive decontamination in low-temperature environments, exhibiting significant application value and extensive prospects in this domain.
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SENSORS AND ACTUATORS B-CHEMICAL
·
2025
·
IF 7.7
Dandan Rong,Gang Meng,Longqing Mi,Meng Li,Ruofan Zhang,Xiaohua Ji,Tiantian Dai,Hongtao Li,Xiaodong Fang,Libing You,Zanhong Deng
Dimethyl sulfide (DMS) is one kind of volatile sulfur compounds (VSCs) possessing disagreeable odor, with a low olfactory threshold around 20 ppb. Highly sensitive detection of DMS at room temperature (RT) is critically needed for emerging application with low power consumption, but it remains a significant challenge owing to its low reactivity. Herein, UV photoactivated titanium dioxide (TiO 2 ) nanoparticles (NPs) have been employed for detecting DMS at RT. An eco-friendly ultrasonic crushing solution spray technique was developed to prepare TiO 2 based sensors. An ultrahigh response of 30–500 ppb DMS and a low experimental limit of detection ( R a / R g = 2.7@50 ppb) could be achieved at RT under UV light activation. This work opens a new avenue to achieve highly sensitive, energy-efficient sensors for trace VSCs detection at RT in ambient odor monitoring.
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ANALYTICA CHIMICA ACTA
·
2025
·
IF 6
Zhihua Ying,Yi Zhong,Yan Liu,Wenjun Yan
Background Nitrogen dioxide (NO 2 ) is a hazardous atmospheric pollutant, driving demand for highly sensitive and reliable monitoring sensors. A significant challenge in this field is enhancing the performance of metal-oxide-based gas sensors, particularly their response and operating temperature. Current materials often exhibit insufficient sensitivity at room temperature, limiting their practical application. This work addresses the problem of developing a high-performance NO 2 gas sensor that operates effectively at room temperature. Results We present a novel WO 3 /InWO 4 heterojunction sensor that demonstrates dramatically enhanced NO 2 sensing under UV activation. The key result is a response value of 116.03 to 3 ppm NO 2 at room temperature, which is 3.55 times higher than that of a pure InWO 4 sensor. The composite sensor showed a response time of 68 s and a recovery time of 43 s, representing a slight increase and decrease, respectively, compared to the pure material. This performance is attributed to the synergistic effects of the constructed heterojunction, which promotes charge separation, alongside optimized oxygen vacancy concentration and UV light activation. The method was comprehensively validated through material characterization and gas-sensing tests, confirming that this composite structure effectively improves surface reactions with NO 2 molecules. Significance This study conclusively demonstrates that the WO 3 /InWO 4 heterojunction strategy is highly effective for NO 2 sensing. The significance lies in achieving exceptional sensor response at room temperature, providing a valuable pathway for developing low-power, high-performance gas sensing devices.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2025
·
IF 5.4
Bingqing Fu,Yihua Xu,Jun Yang,Hongyan Li,Fangtao Xiong,Lizheng Sha,Huifang Zhao,Xiaohong Chen,Jing Li
To achieve high-value utilization of lignin, kraft lignin (KL) extracted from eucalyptus pulping black liquor was modified by demethylation using Lewis acids AlCl 3 (AL) and HBr (HL) and used to partially substitute of polypropylene glycol (PPG) to prepare lignin-based waterborne polyurethane (WPU) emulsion by reacting with isophorone diisocyanate (IPDI). The results of 1 H NMR spectra showed that the hydroxyl content of lignin were respectively 10.13 mmol/g and 8.31 mmol/g after demethylation with AlCl 3 and HBr, which were 73.2 % and 43.1 % higher than that of KL. When 20 wt% of PPG was replaced by AL and HL, the prepared ALWPU-20 % and HLWPU-20 % emulsions had good dispersion and storage stability, with an average particle size of 400 nm and a viscosity of 35.3 Pa·s and 24.5 Pa·s, respectively. Both ALWPU-20 % and HLWPU-20 % films had good mechanical strength, thermal stability and biodegradability, and their crosslinking density, tensile strength and natural degradation rate after 100 days’ landfilling were 19.1 mmol/cm 3 and 17.2 mmol/cm 3 , 10.9 MPa and 10.3 MPa, and 19.21 % and 21.21 %, respectively. Moreover, ALWPU-20 % and HLWPU-20 % films had excellent ultraviolet (UV) shielding performance and the UV light transmittance of them was nearly zero. Compared with HL, AL had higher reactivity and ALWPU-20 % emulsion and film had better comprehensive performance.
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INORGANIC CHEMISTRY COMMUNICATIONS
·
2025
·
IF 5.4
Jiadong Li,Pengyuan Xie,Lei Zhang,Wei Wang,Yingquan Wang,Yu Jia
The development of efficient photocatalysts for indoor air purification remains a significant challenge. In this study, oxygen-deficient indium oxide nanoflowers (In 2 O 3-x NFs) were synthesized via an acetic acid and P123-assisted template method followed by H 2 calcination. The as-prepared In 2 O 3-x NFs possess a hierarchical nanoflower-like morphology with a significantly enlarged specific surface area, which provides abundant active sites for enhanced adsorption of formaldehyde molecules. Moreover, the introduced oxygen defects effectively narrow the bandgap, extending the light absorption into the visible region, and serve as traps to promote the separation and migration of photogenerated charge carriers. As a result, the optimized In 2 O 3-x NFs exhibit remarkably improved photocatalytic activity for gaseous formaldehyde degradation under UV irradiation. After 2 h of illumination, the degradation efficiency achieved by In 2 O 3-x NFs is approximately 2 times and 4.5 times higher than those of pure In 2 O 3 NFs and In 2 O 3 nanoparticles (NPs), respectively. This work offers a feasible defect-engineering strategy for designing high-performance metal oxide photocatalysts toward volatile organic compound removal.
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CARBOHYDRATE POLYMERS
·
2016
·
IF 4.219
Feifei Sun,Hong Niu,Dongdong Wang,Yuanyuan Wu,Haibo Mu,Lili Ma,Jinyou Duan
Current studies have revealed the excellent moisture absorption-retention capacity of hyaluronan (HA); however, HA is easily degraded by hyaluronidase on the surface of skin. So, it is very necessary to develop an alternative derivative with low cytotoxicity and resistance to hyaluronidase. Herein, a HA decorated with photocaged groups was synthesized. The moisture absorption-retention capacity and hyaluronidase resistance of photocaged HA (HA-DMNB) and products of HA-DMNB irradiated by ultraviolet for different time (IHA-DMNB), were investigated. Results show that HA-DMNB is more resistant to hyaluronidase than HA, and HA-DMNB could release free carboxyl groups of HA upon ultraviolet to bond with H 2 O. More importantly, HA-DMNB was protective against UV light. In addition, HA-DMNB and IHA-DMNB were observed to be nontoxic to HaCat cells. This study indicates that HA-DMNB may be effectively used as a moisture-preserving reagent.
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Nanoscale Advances
·
2022
·Vol. 4
·期 19
·4169-4174
·
IF 5.598
Yi Gao,Shaofeng Liang,Shuangliang Zhao,Wei Gao,Zequan Li,Muqun Wang,Hong Li,Xiangning He,Riyao Cong,Hailin Diao,Chuwang Su,Xiaoying Xie
The emergence of cooling technology has brought about huge social benefits to society, but it is also accompanied by the serious problem of energy consumption. In countries close to the equator, intense solar radiation is accompanied by unbearable high temperatures and strong ultraviolet radiation. Therefore, we prepared a simple hydrogel with good evaporative cooling, which can work continuously and has good UV absorption, to solve the indoor cooling and UV radiation problems. Polyacrylamide (PAM) in the hydrogel provides a mechanically strong backbone, and polyethylene glycol (PEG) slows water loss and provides the hydrogel with the ability to reflect infrared light. Lithium bromide (LiBr) is a highly efficient water vapor absorbent, which can provide the hydrogel with water regeneration capability. Carbon dots (CDs) can provide excellent UV absorption for hydrogels, and CDs (4.28 kJ kg−1 K−1) have a higher specific heat capacity than water (4.20 kJ kg−1 K−1), which can store more heat for a better indoor cooling effect. The composite hydrogel has a good prospect of application in the windows of residential and high-rise buildings.
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Materials Today Communications
·
2020
·
IF 2.678
Fei Zhang,Yun Hu,Jinshuai Zhang,Jia Huang,Rukuan Liu,Chengguo Liu,Xiaoli Ren,Rongrong An,Yonghong Zhou
In this study, we report the preparation of high-performance UV-curable polyurethane acrylate (PUA) materials from two low-iodine woody plant oils, rubber seed oil (RSO) and wilsoniana seed oil (WSO). First, high-functionality oil-based PUA oligomers were synthesized via isocyanate polyurethane reaction between hydroxylated woody plant oils, isophorone diisocyanate, and pentaerythritol triacrylate, in which the hydroxylated oils were obtained by ring opening of epoxidized oils with ethylene glycol. Chemical structures of the obtained RSO-based and WSO-based PUA oligomers (RSO-PUA and WSO-PUA) were confirmed by FT-IR and 1 H NMR. The 1 H NMR results indicated that the RSO-PUA and WSO-PUA oligomers reached a C = C functionality up to 20.9 and 15.2 per triglyceride, respectively. The obtained oil-based PUA oligomers were then blended with hydroxyethyl methacrylate (HEMA) to form UV-curable resins and ultimate properties of the resultant materials were investigated. The oil-based PUA materials showed excellent performance after UV-curing. For example, the RSO-based PUA film containing 30% of HEMA demonstrated the tensile strength of 22.2 MPa, tensile modulus 1.78 GPa, glass transition temperature of 118.1 °C, adhesion of 2 grade, pencil hardness of 2H, and flexibility of 2 mm. In general, the developed woody plant oil-based PUA resins are very promising to be applied as green UV-curable coatings.
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CARBOHYDRATE POLYMERS
·
2018
·
IF 5.158
Hui Zhan,Na Peng,Xiaojuan Lei,Yanan Huang,Dong Li,Rongjun Tao,Chunyu Chang
Emulsified oily wastewater threated to human health seriously, and traditional technologies are unable to separate the emulsion for the small size of oil droplets. Membranes with special wettability are considered as an efficient way for oil/water emulsions separation, but challenges remain in terms of high material costs, complex processing, and easy to be fouled. Herein, novel self-cleanable membranes composed of nanocellulose and TiO 2 nanoparticles were developed through a facile and sustainable vacuum-assisted filtration process. TiO 2 nanoparticles in situ generated on the surface of tunicate cellulose nanocrystals (TCNC), a kind of nanocellulose, by hydrolysis of titanium oxysulfate. The prepared nanocomposite membrane showed hierarchical architecture, high roughness, superhydrophilicity and underwater oleophobicity. After UV-light irradiation, the resulting membrane exhibited improved underwater oil contact angles and water fluxes, beneficial for the selective oil/water emulsions separation. Importantly, the TiO 2 /nanocellulose membrane could rapidly degrade contaminant (oleic acid) under UV-light irradiation, suggesting excellent self-cleaning property. This works provided a facile strategy for development of self-cleanable membrane from nanocellulose for oil/water emulsion separation.
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