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基于循证证据的标准化管理在ICU心电监护患者中的应用

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中国卫生标准管理 2024年第7期15卷 185-188页

作者：吴燕芬刘晓梅福建医科大学附属泉州市第一医院重症医学科福建泉州362000

目的探讨基于循证证据的标准化管理对重症加强护理病房(intensive care units,ICU)心电监护患者误警报率及护士警报疲劳的影响。方法随机选取2021年7月—2023年6月月福建医科大学附属泉州市第一医院中临床100台ICU心电监护仪器。2021年... 详细信息

目的探讨基于循证证据的标准化管理对重症加强护理病房(intensive care units,ICU)心电监护患者误警报率及护士警报疲劳的影响。方法随机选取2021年7月—2023年6月月福建医科大学附属泉州市第一医院中临床100台ICU心电监护仪器。2021年7月—2022年12月实施常规管理期间的临床50台ICU心电监护仪器纳为常规管理组,将2023年1—6月实施基于循证证据的标准化管理期间的临床50台ICU心电监护仪器纳为循证管理组。比较2组心电监护患者误警报率、报警能力处理评分和护士警报疲劳。结果循证管理组的心电监护仪器误警报率为16.13%,常规管理组为26.15%,差异有统计学意义(P<0.05)。循证管理组中护士报警能力处理评分较常规管理组高,差异有统计学意义(P<0.05)。循证管理组患者的ICU护士报警疲劳量表评分为(15.32±3.28)分,常规管理组为(21.56±4.64)分,差异有统计学意义(P<0.05)。结论基于循证证据的标准化管理可以降低ICU心电监护患者误警报率,提升护士处理能力,降低护士报警疲劳度。

关键词：重症监护病房循证证据警报疲劳护士护理标准化管理心电监护仪

Dual-atom catalysts:controllable synthesis and electrocatalytic applications

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Science China Chemistry 2021年第11期64卷 1908-1922页

作者： Shengbo Zhang yanfen wu Yu-Xiao Zhang Zhiqiang Niu Department of Chemical Engineering Tsinghua UniversityBeijing100084China

Electrocatalysis,as the nexus for energy storage and environmental remediation,requires developing low-cost and highperforming heterogeneous *** with the single atom catalysts(SACs),dual-atom catalysts(DACs)are attracting ever-increasing interest due to their higher metal loading,more versatile active sites and unique ***,controlled synthesis of DACs remains a great challenge,and their electrocatalytic applications are still in *** review first discusses the synthesis of DACs by highlighting several synthetic ***,we exemplify the unique reactivities of DACs in electrocatalytic applications including water splitting,oxygen reduction,carbon dioxide reduction and nitrogen *** structure-activity relations of DACs are specifically discussed in comparison with that of SACs,on the basis of experimental and theoretical ***,the opportunities and challenges of DACs are summarized in terms of rational design,controlled synthesis,characterization,and applications.

关键词： dual-atom catalysts controlled synthesis electrocatalytic applications structure-activity relationship

Catalytic removal of tert-butyldimethylsilyl (TBS) and tetrahydropyranyl (THP) groups from protected alcohols by NO^+BF_4^-in methanol

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Chinese Science Bulletin 2010年第25期55卷 2803-2806页

作者： WANG JianTao wu WenTao XU yanfen wu LongMin State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 China

An effective, catalytic method has been developed to remove TBS and THP groups from protected alcohols. TBS and THP ethers were selectively cleaved using a catalytic amount of NO+BF4- (5 mol%) in methanol at room temp... 详细信息

关键词： TBS BF4 甲醇甲基硅烷催化净化 NO 保护吡喃

蚕沙有机肥对雷竹林土壤理化性质和酶活性的影响

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东北林业大学学报 2024年第9期52卷 109-114页

作者：倪惠菁赵建诚杨振亚石坚陈奕洁吴燕芬邱国强浙江省林业科学研究院杭州310023 德清县生态林业综合服务中心

为了解蚕沙有机肥对雷竹林土壤的改良效果,以浙江省德清县舞阳街道城山村雷竹林土壤为研究对象,雷竹林土壤单施化肥作为对照(CK),蚕沙有机肥施肥量分别为7500 kg·hm^(-2)(T1处理)、15000 kg·hm^(-2)(T2处理)、22500 kg·hm^(-2)(T3处... 详细信息

为了解蚕沙有机肥对雷竹林土壤的改良效果,以浙江省德清县舞阳街道城山村雷竹林土壤为研究对象,雷竹林土壤单施化肥作为对照(CK),蚕沙有机肥施肥量分别为7500 kg·hm^(-2)(T1处理)、15000 kg·hm^(-2)(T2处理)、22500 kg·hm^(-2)(T3处理),比较不同蚕沙有机肥施肥量的雷竹林土壤理化性质和酶活性的差异。结果表明:蚕沙有机肥对土壤理化性质和酶活性有显著影响(P<0.05)。与对照(CK)相比,施用蚕沙有机肥(T1、T2、T3处理)显著提高了土壤有机碳和碱解氮质量分数(P<0.05),且随着蚕沙有机肥施肥量的增加而增加;表层(0~20 cm)土壤硝态氮和有效磷质量分数显著提高(P<0.05),与碳氮磷转化相关的土壤酶活性显著提高(P<0.05)。土壤总孔隙度、土壤通气度、总有机碳、全氮、全磷、碱解氮、硝态氮是影响土壤综合质量的重要指标,施用蚕沙有机肥提高了雷竹林土壤综合质量。因此蚕沙有机肥可以改善土壤理化性质,提高土壤养分有效性和酶活性。

关键词：蚕沙有机肥雷竹土壤理化性质酶活性

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降低浊度仪杂散光影响,提高低浊度测量精度

计量与测试技术 2024年第4期51卷 59-62,65页

作者：李俊吴艳芬李朝晖段昌建成都市自来水有限责任公司

本文通过对实验室低浊度仪的测量原理、结构、浊度测量的影响因素等进行分析,并提出日常测量过程中应注意的事项。同时,为提高低浊度样品测量精度,最大限度地降低了浊度测量过程中杂散光对低浊度测量的影响。

关键词：浊度悬浮颗粒杂散光

Synthesis of carbon dots with a tunable photoluminescence and their applications for the detection of acetone and hydrogen peroxide

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Chinese Chemical Letters 2020年第2期31卷 487-493页

作者： Shitong Cui yanfen wu Yao Liu Qingwen Guan Yida Zhang Yilin Zhang Song Luo Meng Xu Juncheng Wang State Key Laboratory of Heavy Oil Processing China University of Petroleum-BeijingBeijing 102249China Research Institute for New Materials Technology Chongqing University of Arts and SciencesChongqing 402160China Stomatology Department of the General Department of OrthopedicHospital of Chinese PLABeijing 100853China

Carbon dots(CDs) with multi-color emissive properties and a high photoluminescent quantum yield(PLQY) have attracted great attention recently due to their potential applications in chemical,environmental,biological and photo-electronic ***-dependent effect in photoluminescence provides a facial and effective approach to tune the emission of *** this study,green emissive nitrogen-doped carbon dots(N-CDs) are synthesized from p-hydroquinone and ethylenediamine through a simple hydrothermal *** as-prepared N-CDs possess a robust excitation-independent green luminescence and a high PLQY of up to 15.9%.Further spectroscopic characterization indicates that the high PLQY is achieved by the balance of nitrogen doping states and the surface passivation extent in *** N-CDs also exhibit solvent-dependent multi-color emissive property and distinct PLQY in different solvents(the maximum can reach up to 25.3%).Furthermore,the as-prepared N-CDs are applied as fluorescence probes to detect acetone and H2O2 in *** method has exhibited a low detection limit of acetone(less than 0.1 %) and a quick and linear response to the H_2O_2 with the concentration from 0 to 120 μmol/*** work broadens the knowledge of applying CDs as probes in the bio and chemical sensing fields.

关键词： Carbon dots Photoluminescence quantum yield Solvent-dependent emissions Biosensors Acetone Fenton reaction

Multistage Microstructured Ionic Skin for Real-Time Vital Signs Monitoring and Human-Machine Interaction

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ENERGY & ENVIRONMENTAL MATERIALS 2024年第6期7卷 218-229页

作者： Wang, Xueke Zi, Jinyu Chen, Yi wu, Qiang Xiang, Zhimin Tu, Yongqiang Yang, Peng Wan, yanfen Yunnan Univ Sch Mat & Energy Natl Ctr Int Res Photoelect & Energy Mat Yunnan Key Lab Electromagnet Mat & DevicesYunnan Kunming 650091 Peoples R China

Skin-like electronics research aiming to mimic even surpass human-like specific tactile cognition by operating perception-to-cognition-to-feedback of stimulus to build intelligent cognition systems for certain imperceptible or inappreciable signals was so attractive. Herein, we constructed an all-in-one tri-modal pressure sensing wearable device to address the issue of power supply by integrating multistage microstructured ionic skin (MM i-skin) and thermoelectric self-power staffs, which exhibits high sensitivity simultaneously. The MM i-skin with multi-stage "interlocked" configurations achieved precise recognition of subtle signals, where the sensitivity reached up to 3.95 kPa-1, as well as response time of 46 ms, cyclic stability (over 1500 cycles), a wide detection range of 0-200 kPa. Furthermore, we developed the thermoelectricity nanogenerator, piezoelectricity nanogenerator, and piezocapacitive sensing as an integrated tri-modal pressure sensing, denoted as P-iskin, T-iskin, and C-iskin, respectively. This multifunctional ionic skin enables real-time monitoring of weak body signals, rehab guidance, and robotic motion recognition, demonstrating potential for Internet of things (IoT) applications involving the artificial intelligence-motivated sapiential healthcare Internet (SHI) and widely distributed human-machine interaction (HMI). Inspired by the multi-level interlocking structure in human skin, the microlevel multi-stage "interlocked" configuration ionic skin is prepared by the bio-template method, and an all-in-one tri-modal pressure sensing wearable device was constructed by integrating thermoelectricity nanogenerator, piezoelectricity nanogenerator, and piezocapacitive sensing, which demonstrates the potential for addressing the issue of power supply and Internet of things applications. image

关键词： bio-template method integrated device ionic skin skin-like microstructure tri-modal pressure sensing PRESSURE SENSOR FILMS PVDF

Characteristics of the microbial communities in the integrated vertical-flow constructed wetlands

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Journal of Environmental Sciences 2009年第9期21卷 1261-1267页

作者： ZHOU Qiaohong,HE Feng,Zhang Liping,WANG yanfen,wu Zhenbin State Key Laboratory of Freshwater Ecology and Biotechnology,Institute of Hydrobiology,Chinese Academy of Sciences,wuhan 430072,China Department of Biology and Chemistry,City University of Hong Kong State Key Laboratory of Freshwater Ecology and Biotechnology Institute of Hydrobiology Chinese Academy of Sciences StateKey Laboratory of Freshwater Ecology and Biotechnology Institute of Hydrobiology Chinese Academy of Sciences State Key Laboratory ofFreshwater Ecology and Biotechnology Institute of Hydrobiology Chinese Academy of Sciences

Microorganisms play an important role in removing pollutants from constructed wetlands. We investigated the microbial characteristics in a novel integrated vertical-flow constructed wetland （IVCW）, which has been in operation in wuhan, China since 1998. We used phospholipid fatty acid （PLFA） and amoA gene to analyze the structure and diversity of the microbial community within the IVCW. PLFA results suggested that the amount of bacterial PLFA was significantly higher than that of fungal PLFA, but the total microbial biomass represented by PLFA index was low in the system. Microbial spatial distribution showed significantly higher bacterial （both G^＋ and G^-） and fungal biomass in the surface than in the subsurface layers. The ratios of monounsaturated to branched PLFA demonstrated that an anaerobic layer sandwiched by two aerobic layers existed in the IVCW, consistent with the redox potential results. Analysis of the amoA revealed the presence of Nitrosomonas-like sequences in the surface substrate of the downflow chamber and apparent diversities of ammonia-oxidizing bacteria in the system. These results suggest that microorganisms, despite their relatively low biomass, have inhabited the IVCW, and the results will offer some valuable information on microbe to system designers and managers.

关键词： ammonia-oxidizing bacteria constructed wetland microbial community PLFA

The MYC2-PUB22-JAZ4 module plays a crucial role in jasmonate signaling in tomato

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Molecular Plant 2024年第4期17卷 598-613页

作者： Shaofang wu Chaoyi Hu Changan Zhu yanfen Fan Jie Zhou Xiaojia Xia Kai Shi Yanhong Zhou Christine H.Foyer Jingquan Yu Department of Horticulture Zijingang CampusZhejiang UniversityHangzhou 310058China Hainan Institute Zhejiang UniversityYazhou Bay Science and Technology CitySanya 572025China College of Horticulture Northwest Agriculture&Forestry UniversityXianyang 712100China School of Biosciences College of Life and Environmental SciencesUniversity of BirminghamEdgbaston B152TTUK Key Laboratory of Horticultural Plants Growth and Development Agricultural Ministry of ChinaZhejiang UniversityHangzhou 310058China

Jasmonates(JAs),a class of lipid-derived stress hormones,play a crucial role across an array of plant physiological processes and stress *** JA signaling is thought to rely predominantly on the degradation of specific JAZ proteins by SCF^(COI1),it remains unclear whether other pathways are involved in the regulation of JAZ protein ***,we report that PUB22,a plant U-box type E3 ubiquitin ligase,plays a critical role in the regulation of plant resistance against Helicoverpa armigera and other JA responses in *** COI1 physically interacts with JAZ1/2/5/7,PUB22 physically interacts with JAZ1/3/4/***22 ubiquitinates JAZ4 to promote its degradation via the 26S proteasome ***,we observed that pub22 mutants showreduced resistance to ***,whereas jaz4 single mutants and jaz1 jaz3 jaz4 jaz6 quadruple mutants have enhanced *** hypersensitivity of pub22 mutants to herbivores could be partially rescued by JAZ4 ***,we found that expression of PUB22 can be transcriptionally activated by MYC2,thus forming a positive feedback circuit in JA *** noticed that the PUB22-JAZ4 module also regulates other JA responses,including defense against ***,inhibition of root elongation,and anthocyanin *** together,these results indicate that PUB22 plays a crucial role in plant growth and defense responses,together with COI1-regulated JA signaling,by targeting specific JAZs.

关键词： PUB22 JAZ COI1 MYC2 JA signaling Solanum lycopersicum