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| 1 | Smart Multiple Wetting Control on ZnO Coated Shape Memory Polymer Arrays显示文摘Recently,surfaces with intelligent wetting controllability have aroused increased attention.Endowing the surface with stimuli-responsive surface chemistry and tunable surface microstructure can achieve a surface with smart wetting performances.However,almost all existing surfaces only focused on single surface chemistry or micromorphology,thus to achieve smart multiple wetting regulation is still difficult.Herein,we report a ZnO coated shape memory polymer(SMP)surface,and the surface chemistry and micromorphology can be synergistically regulated.ZnO can provide adjustable surface chemistry under UV irradiation,and SMP can offer tunable micromorphology due to its shape memory effect(SME).Based on the combined effect between the above two features,surface wetting performance can be smartly regulated among multiple states.Moreover,due to the excellent controllability of the surface,the application in directional droplet transportation was also demonstrated.This paper offers a new surface with tunability in both surface chemistry and micromorphology,and given the excellent wetting controllability,the surface is believed to be applied in a lot of fields,such as droplet manipulation,fluidic devices and selective catalysis. | WANG Xiaonan WANG Bohan LAI Hua CHENG Zhongjun | 2023 | Chemical Research in Chinese Universities2023，39，1： | 0 |
| 2 | Nucleation growth quenching for superior cluster catalysts显示文摘Cluster catalysts are rapidly growing into an important sub-field in heterogeneous catalysis,owing to their distinct geometric structure,neighboring metal sites,and unique electronic structure.Although the thermodynamics and kinetics of the formation of nanoparticles have been largely investigated,the precise synthesis of clusters in wet chemical methods still faces great challenges.In the study,a quenching strategy of asymmetric temperature in solution for the rapid generation of vacancy-defect rich clusters is reported.The quenching process can be used to synthesize multitudinous metal compound clusters,including metal oxides,fluorides,oxygen-sulfur compounds,and tungstate.For oxygen evolution reaction(OER),IrO_(2)clusters with abundant oxygen vacancies were obtained and uniformly dispersed in the solution.Compared to commercial IrO_(2),the prepared IrO_(2)cluster can be directly loaded on carbon paper and used as binder-free electrodes,which exhibit higher OER activity and long-term operational stability in alkaline electrolytes.The quenching strategy provides a simple and efficient method for the synthesis of clusters,which has tremendous potential for industrial-scale preparation and application,especially can be further applied to flow electrochemical generators. | Ruyue Wang Feng Cheng Yonggang Wang Dongyu Fan Bohan Deng Yuanzheng Long Haolin Tang Kai Huang Zhaowei Qu Ming Lei Binghui Ge Hui Wu | 2022 | Nano Research2022，15，9： | 0 |
| 3 | N^(6)-methyladenosine demethylase ALKBH5:a novel regulator of proliferation and differentiation of chicken preadipocytes显示文摘Previous studies have reported that the N^(6)-methyladenosine demethylase ALKBH5 can regulate adipogenesis in humans.However,its function in birds remains unclear.In this study we aimed to explore the expression and function of the ALKBH5 gene in chicken adipose tissue.The results showed that ALKBH5 is widely expressed in various chicken tissues,and the expression of ALKBH5 is relatively higher in abdominal adipose tissue.In addition,the expression of ALKBH5 in abdominal adipose tissue of lean broilers is higher than that in fat broilers at 2 and 3 weeks of age.Moreover,the proliferation and differentiation of preadipocytes are associated with reduced and increased expression of ALKBH5,respectively.We also found that ALKBH5 knockout promotes preadipocyte proliferation,as evidenced by an increase in cell viability,DNA replication activity,G_(1)-S cell cycle progression,and the expressions of Ki67 and PCNA.Furthermore,after knockout of ALKBH5,the lipid droplet accumulation and the expression of PPAR_(γ),A-FABP,and FAS are reduced significantly.Thus,our results indicated that ALKBH5 is a novel regulator of proliferation and differentiation of chicken preadipocytes. | Qi Zhang Bohan Cheng Haixu Jiang Huili Zhang Hui Li | 2022 | Acta Biochimica et Biophysica Sinica2022，54，1： | 0 |
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