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Cobalt-Based Cocatalysts for Photocatalytic CO_(2)Reduction

Transactions of Tianjin University 2022年第6期28卷 506-532页

作者： Mengqing Li Lijuan Shen Min-Quan Yang college of Environmental and Resource Sciences College of Carbon Neutral Modern IndustryFujian Key Laboratory of Pollution Control and Resource ReuseFujian Normal UniversityFuzhou 350007China

Conversion of carbon dioxide(CO_(2))into valuable chemicals and renewable fuels via photocatalysis represents an eco-friendly route to achieve the goal of carbon neutralization.Although various types of semiconductor materials have been intensively explored,some severe issues,such as rapid charge recombination and sluggish redox reaction kinetics,remain.In this regard,cocatalyst modifi cation by trapping charges and boosting surface reactions is one of the most effi cient strategies to improve the effi ciency of semiconductor photocatalysts.This review focuses on recent advances in CO_(2)photoreduction over costeff ective and earth-abundant cobalt(Co)-based cocatalysts,which are competitive candidates of noble metals for practical applications.First,the functions of Co-based cocatalysts for promoting photocatalytic CO_(2)reduction are briefl y discussed.Then,diff erent kinds of Co-based cocatalysts,including cobalt oxides and hydroxides,cobalt nitrides and phosphides,cobalt sulfi des and selenides,Co single-atom,and Co-based metal–organic frameworks(MOFs),are summarized.The underlying mechanisms of these Co-based cocatalysts for facilitating CO_(2)adsorption–activation,boosting charge separation,and modulating intermediate formation are discussed in detail based on experimental characterizations and density functional theory calculations.In addition,the suppression of the competing hydrogen evolution reaction using Co-based cocatalysts to promote the product selectivity of CO_(2)reduction is highlighted in some selected examples.Finally,the challenges and future perspectives on constructing more effi cient Co-based cocatalysts for practical applications are proposed.

关键词： Cobalt-based materials Cocatalyst Photocatalysis CO_(2)reduction Solar energy conversion

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The deubiquitinating enzyme 13 retards non-alcoholic steatohepatitis via blocking inactive rhomboid protein 2-dependent pathway

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Acta Pharmaceutica Sinica B 2023年第3期13卷 1071-1092页

作者： Minxuan Xu Jun Tan Liancai Zhu Chenxu Ge Wei Dong Xianling Dai Qin Kuang Shaoyu Zhong Lili Lai Chao Yi Qiang Li Deshuai Lou Linfeng Hu Xi Liu Gang Kuang Jing Luo Jing Feng Bochu Wang Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region School of Biological and Chemical EngineeringChongqing University of EducationChongqing 400067China College of Modern Health Industry Chongqing University of EducationChongqing 400067China Key Laboratory of Biorheological Science and Technology(Chongqing University) Ministry of EducationCollege of BioengineeringChongqing UniversityChongqing 400030China Shandong Cancer Hospital and Institute Shandong First Medical University&Shandong Academy of Medical SciencesJinan 250117China

Nowadays potential preclinical drugs for the treatment of nonalcoholic steatohepatitis(NASH)have failed to achieve expected therapeutic efficacy because the pathogenic mechanisms are underestimated.Inactive rhomboid protein 2(IRHOM2),a promising target for treatment of inflammation-related diseases,contributes to deregulated hepatocyte metabolism-associated nonalcoholic steatohepatitis(NASH)progression.However,the molecular mechanism underlying Irhom2 regulation is still not completely understood.In this work,we identify the ubiquitin-specific protease 13(USP13)as a critical and novel endogenous blocker of IRHOM2,and we also indicate that USP13 is an IRHOM2-interacting protein that catalyzes deubiquitination of Irhom2 in hepatocytes.Hepatocyte-specific loss of the Usp13 disrupts liver metabolic homeostasis,followed by glycometabolic disorder,lipid deposition,increased inflammation,and markedly promotes NASH development.Conversely,transgenic mice with Usp13 overexpression,lentivirus(LV)-or adeno-associated virus(AAV)-driven Usp13 gene therapeutics mitigates NASH in 3 models of rodent.Mechanistically,in response to metabolic stresses,USP13 directly interacts with IRHOM2 and removes its K63-linked ubiquitination induced by ubiquitin-conjugating enzyme E2N(UBC13),a ubiquitin E2 conjugating enzyme,and thus prevents its activation of downstream cascade pathway.USP13 is a potential treatment target for NASH therapy by targeting the Irhom2 signaling pathway.

关键词： Usp13 Irhom2 NASH Hepatosteatosis Ubc13 NAFLD Ubiquitination Liver inflammation

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Characterizing the influence of gut microbiota on host tryptophan metabolism with germ-free pigs

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Animal Nutrition 2022年第4期11卷 190-200页

作者： Bingnan Liu Dongming Yu Jing Sun Xiaoyan Wu Zhongquan Xin Baichuan Deng Lijuan Fan Jian Fu Liangpeng Ge Wenkai Ren State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources Guangdong Laboratory of Lingnan Modern AgricultureNational Engineering Research Center for Breeding Swine IndustryGuangdong Provincial Key Laboratory of Animal Nutrition ControlCollege of Animal ScienceSouth China Agricultural UniversityGuangzhouChina Chongqing Academy of Animal Sciences ChongqingChina

Intestinal microbes are closely associated with host health,depending on metabolic crosstalk between the microbiota and host.Tryptophan metabolism is one of the best examples of metabolic crosstalk between intestinal microbiota and host;however,our understanding about the influence of intestinal microbiota on host tryptophan metabolism is limited.Thus,we established germ-free(GF)pig models to systemically explore the influence of intestinal microbiota on tryptophan metabolism.Five GF pigs were kept in GF conditions throughout the experiment(GF group).Six GF pigs were transplanted with fecal microbiota from donor sows to act as control pigs.Compared with control pigs,the GF pigs had remarkable alterations in tryptophan metabolism.The differential metabolites(P<0.05)were mainly found in the liver,circulation system and large intestine.Notably,the alteration of metabolites in tryptophan metabolism varied among organs,especially for the serotonin pathway.In GF pigs,tryptophan and kynurenine in the large intestine and 5-hydroxytryptophan in most organs were increased(P<0.05),while metabolites in the indole pathway in most organs were decreased(P<0.05).Collectively,our study reveals changes in tryptophan metabolism in GF pigs,highlighting the critical role of gut microbes in shaping host tryptophan metabolism.

关键词： Germ-free pig Gut microbiota Tryptophan Indole Kynurenine

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Silencing of V-ATPase-E gene causes midgut apoptosis of Diaphorina citri and affects its acquisition of Huanglongbing pathogen

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Insect Science 2023年第4期30卷 1022-1034页

作者： Chang-Fei Guo Jun-Hong Qiu Yu-Wei Hu Pei-Ping Xu Ying-Qi Deng Ling Tian Yi-Yun Wei Wen Sang Yu-Tao Liu Bao-Li Qiu Engineering Research Center of Biocontrol Ministry of Education and Guangdong ProvinceSouth China Agricultural UniversityGuangzhouChina Guangdong Laboratory for Lingnan modern Agriculture GuangzhouChina Chongqing Key Laboratory of Vector Insects College of Life SciencesChongqing Normal UniversityChongqingChina Key Laboratory of South China modern Biological Seed industry MARANational S&T Innovation Center for Modern Agricultural IndustryGuangzhouChina college of Animal Science South China Agricultural UniversityGuangzhouChina

The Asian citrus psyllid,Diaphorina citri Kuwayama,is among the most im-portant pests of citrus.It is the main vector of the Huanglongbing(HLB)pathogen Can-didatus Liberibacter asiaticus(CLas),which causes severe losses in citrus crops.Control of D.citri is therefore of paramount importance to reduce the spread of HLB.In this re-gard,using RNA interference(RNAi)to silence target genes is a useful strategy to control psyllids.In this study,using RNAi,we examined the biological functions of the V-ATPase subunit E(V-ATP-E)gene of D.citri,including its effect on acquisition of CLas.The amino acid sequence of V-ATP-E from D.citri had high homology with proteins from other insects.V-ATP-E was expressed at all D.citri life stages analyzed,and the expres-sion level in mature adults was higher than that of teneral adults.Silencing of V-ATP-E resulted in a significant increase in mortality,reduced body weight,and induced cell apop-tosis of the D.citri midgut.The reduced expression of V-ATP-E was indicated to inhibit CLas passing through the midgut and into the hemolymph,leading to a majority of CLas being confined to the midgut.In addition,double-stranded RNA of D.citri V-ATP-E was safe to non-target parasitic wasps.These results suggest that V-ATP-E is an effective RNAi target that can be used in D.citri control to block CLas infection.

关键词： apoptosis CLas infection Diaphorina citri RNA interference V-ATPase subunit E

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Maternal sodium acetate supplementation promotes lactation performance of sows and their offspring growth performance

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Animal Nutrition 2023年第3期14卷 213-224页

作者： Yingao Qi Tenghui Zheng Siwang Yang Qianzi Zhang Baofeng Li Xiangfang Zeng Yongxing Zhong Fang Chen Wutai Guan Shihai Zhang Guangdong Province Key Laboratory of Animal Nutrition Control College of Animal ScienceSouth China Agricultural UniversityGuangzhou510642China college of Animal Science and National Engineering Research Center for Breeding Swine industry South China Agricultural UniversityGuangzhou 510642China Guangdong Laboratory for Lingnan modern Agriculture South China Agricultural UniversityGuangzhouChina State Key Laboratory of Animal Nutrition Ministry of Agriculture and Rural Affairs Feed Industry CenterChina Agricultural UniversityBeijingChina Chia Tai Conti Agri-Husbandry Group Co. LtdShenzhenChina

Milk yield and composition are critical determining factors for the early growth and development of neonates.The objective of this experiment was to comprehensively evaluate the effects of dietary sodium acetate(SA)supplementation on the milk yield and composition of sows and the growth performance of their offspring.A total of 80 sows(Landrace×Yorkshire,3 to 6 parity)were randomly assigned to 2groups(with or without 0.1%SA)from d 85 of gestation to d 21 of lactation.The result shows that maternal 0.1%SA supplementation significantly increased sows milk yield,milk fat,immunoglobulin A(IgA)and IgG content in milk(Phealth and colonization of the beneficial bacteria(Phealth and the colonization of beneficial microbial flora of their piglets.

关键词： Sow Sodium acetate Lactation performance Milk fat Gut health

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Structural characterization and immunostimulatory activity of a water-soluble polysaccharide from abalone(Haliotis discus hannai Ino)muscle

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Food Science and Human Wellness 2023年第2期12卷 495-502页

作者： Linfan Shi Gengxin Hao Jun Chen Junling Wang Wuyin Weng college of Ocean Food and Biological Engineering Jimei UniversityXiamen 361021China Engineering Research Center of the modern Technology for Eel industry Ministry of EducationXiamen 361021China

A water-soluble polysaccharide from abalone muscle(AMPP)was isolated.The contents of carbohydrate,protein,uronic acid,and sulfate in AMPP were 83.5%,0.5%,2.7%,and 2.6%,respectively.High-performance liquid chromatography analysis indicated that AMPP was homogeneous and had an average molecular weight of approximately 3.2 kDa.The main monosaccharides of AMPP were glucose(Glc)and mannose with a molar ratio of 99.7:0.3.The structural characteristics of AMPP were elucidated through methylation analysis,Fourier transform infrared spectroscopy,and nuclear magnetic resonance spectroscopy.The linkages of AMPP consisted of terminal,1,4-linked,1,6-linked,and 1,4,6-linked Glcp with a molar ratio of 3.1:7.2:1.0:2.5.In one repeat unit of the proposed AMPP structure,the backbone chain was composed of eight 1→4 glycosidic bonds and one 1→6 glycosidic bond,with three branch chains linked by 1→6 glycosidic bond.In addition,AMPP was found to possess potent immunostimulatory activity via rising phagocytosis of RAW264.7 cells and promoting secretion of TNF-α.

关键词： Polysaccharide Abalone muscle Structural characterization Immunostimulatory activity Nuclear magnetic resonance spectra

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Phenylalanine diminishes M1 macrophage inflammation

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Science China(Life Sciences) 2023年第12期66卷 2862-2876页

作者： Qingzhuo Zhang Siyuan Chen Yan Guo Fang He Jian Fu Wenkai Ren Guangdong Laboratory of Lingnan modern Agriculture National Engineering Research Center for Breeding Swine IndustryCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642China college of Animal Science and Technology Southwest UniversityChongqing 400715China

Emerging evidence suggests that amino acids dictate the effector functions of immune cells;however, whether and how phenylalanine(Phe) orchestrates the polarization of macrophages is not understood. Here, we determined that Phe attenuated lipopolysaccharide(LPS) and P. multocida serotype A strain CQ2(PmCQ2) infection-induced inflammation in vivo. Furthermore, we demonstrated that Phe inhibited the production of interleukin(IL)-1β and tumor necrosis factor(TNF)-α in proinflammatory(M1) macrophages. Phe reprogrammed the transcriptomic and metabolic profiles and enhanced oxidative phosphorylation in M1 macrophages, which reduced the activation of caspase-1. Notably, the valine-succinyl-CoA axis played a critical role in Phe-mediated inhibition of IL-1β production in M1 macrophages. Taken together, our findings suggest that manipulating the valine-succinyl-CoA axis provides a potential target for preventing and/or treating macrophage-related diseases.

关键词： IL-1β macrophage phenylalanine succinyl-CoA valine

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The Implementation Basis, Short-term Effects and Recommendations of the Comprehensive Two-child Policy Taking Shaanxi Province as an Example

The Implementation Basis, Short-term Effects and Recommendat...

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作者： Chunmei Bai modern college of Northwest University

There are significant differences between the implementation of the family planning policy and the effects. According to a survey of Shaanxi Province, the number of families with two children has reached 62% in some cities, and only 37.8% in some cities. This laid a different foundation for the implementation of the comprehensive two-child policy. The implementation of the family planning policy is strong and the effect is good. The comprehensive benefit of the two-child policy is higher than that of the policy-relaxed areas. The urban beneficiaries are more than the rural beneficiaries. And the staffs within the system are the main beneficiaries of the comprehensive two-child policy. The implementation of the comprehensive two-child policy in the surveyed area has achieved initial results in two years: the birth rate has increased by about one thousand points, and the sex ratio of the birth population has increased overall. In 2016 and 2017, the proportion of two children in newborns increased rapidly. In some areas, the proportion of two children exceeded one child. The phenomenon of childbirth is highlighted, and the normal work of the industry is affected, such as hospitals and schools, and the functions of the family planning department are not in place. Relevant departments need to make prejudgments and adjust relevant policies.

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Dietary fibers with low hydration properties exacerbate diarrhea and impair intestinal health and nutrient digestibility in weaned piglets

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Journal of Animal Science and Biotechnology 2023年第2期14卷 771-791页

作者： Shuangbo Huang Zhijuan Cui Xiangyu Hao Chuanhui Cheng Jianzhao Chen Deyuan Wu Hefeng Luo Jinping Deng Chengquan Tan Guangdong Provincial Key Laboratory of Animal Nutrition Control National Engineering Research Center for Breeding Swine IndustryInstitute of Subtropical Animal Nutrition and FeedCollege of Animal ScienceSouth China Agricultural UniversityGuangzhou 510642GuangdongChina Dekon Food and Agriculture Group Chengdu 610031China Guangdong Laboratory for Lingnan modern Agriculture South China Agricultural UniversityGuangzhou 510642GuangdongChina.

Background:This study aimed to investigate the hydration properties of different-source fibrous materials by com-paring their water-binding capacity(WBC),water swelling capacity(WSC),viscosity,and in vivo effects of selected samples on growth performance,nutrient digestibility,diarrhea,and intestinal health in weaned piglets.Methods:A total of 13 commercially available fibrous materials were first compared in chemical composition and in vitro hydration property.Subsequently,40 weaned piglets were randomized to five experimental dietary groups(8 piglets per group):control diet(a basal diet without dietary fiber,CON),basal diet supplemented with 5%microcrys-talline cellulose(MCC),5%wheat bran(WB),5%Moringa oleifera leaf powder(MOLP),or 5%sugar beet pulp(SBP),fol-lowed by analyzing their growth performance and diarrhea rate in a 28-d experiment.After the feeding experiment,anaesthetized piglets were killed,and their intestinal and colon content or plasma samples were analyzed in nutrient digestibility,intestinal morphology,intestinal barrier,short-chain fatty acids(SCFAs),and bacterial population.Results:In vitro studies showed low hydration properties for WB and MCC,while medium hydration properties for MOLP and SBP.In vivo studies indicated that compared with medium hydration property groups,low hydration prop-erty groups showed(1)exacerbated diarrhea,impaired intestinal health,and reduced apparent fecal digestibility of dry matter,gross energy,acid detergent fiber,and neutral detergent fiber;(2)decreased SCFAs concentration and rela-tive levels of Lactobacillus and Bifidobacterium,but increased levels of Escherichia coli and Brachyspira hyodysenteriae in colon contents.Additionally,SBP showed optimal performance in reducing diarrhea and increasing SCFAs produc-tion.Correlation analysis revealed a positive correlation of fiber hydration properties with in vitro SCFAs production,and diarrhea index and nutrient digestibility were negatively and positively correlated with SCFAs levels in the colon contents of weaned

关键词： Diarrhea Dietary fiber Hydration property Intestinal health Nutrient digestibility Weaned piglet

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Design and fabrication of self-suspending aluminum-plastic/semiconductor photocatalyst devices for solar energy conversion

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Journal of Environmental Sciences 2024年第2期136卷 615-625页

作者： Zhi-Ang Zhao Jingyun Mao Chengjing Lu Shuangqiao Yang Qingrong Qian Qinghua Chen Hun Xue Xiaoli Sun Min-Quan Yang college of Environmental and Resource Sciences College of Carbon Neutral Modern IndustryFujian Key Laboratory of Pollution Control and Resource ReuseFujian Normal UniversityFuzhou 350007China State Key Laboratory of Polymer Materials Engineering Polymer Research Institute of Sichuan UniversityChengdu 610065China

The design and synthesis of self-suspending photocatalyst device with easy recyclability is important for practical application.Here,this work utilizes aluminum-plastic package waste as raw material to prepare an aluminum-plastic supported TiO_(2)(AP-TiO_(2))photocatalyst device through 3D printing design and surface deposition method.A series of characterizations were carried out to explore the structure,morphology and performance of the AP-TiO_(2)device.Under UV light illumination,the AP-TiO_(2)-50 efficiently degrade 93.6%tetracycline hydrochloride(THC)after 4 hr,which increases by 8.3%compared with that of TiO_(2)powder suspension system with the same catalyst amount.Based on it,AP-ZnO,AP-CdS,AP-g-C_3N_4and AP-Pt-TiO_(2)are also fabricated,and applied in photocatalytic degradation and hydrogen evolution,which all exhibit higher photoactivities than powder suspension systems.This work provides a new avenue for the fabrication of advanced recyclable photocatalyst device.Moreover,the work offers a novel sight for the high-value utilization of aluminum-plastic package waste,which has positive implications for environmental protection.

关键词： TiO_(2) Self-suspending Photocatalyst device Aluminum plastic

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