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Prediction of specific spoilage organisms in smoked chicken legs with modified atmosphere packaging at 4 ℃ using multivariate statistical analysis

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Food Science and Human Wellness 2024年

作者： qiang Wang Yubo Zhao Yumeng Sui qian chen Zhiming Dong qian Liu Baohua Kong Ligang Qin College of Animal Science and Technology， Northeast Agricultural University College of Food Science， Northeast Agricultural University

The present study monitored bacterial succession， physicochemical properties， and volatile organic compounds (VOCs) changes in smoked chicken legs with modified atmosphere packaging (MAP， 60% CO2and 40% N2) during a 25-day storage period at 4 ℃. After 15 days of storage， Serratia proteamaculans and Pseudomonas fragi became the predominant bacteria. Furthermore， physicochemical properties changed significantly， as evidenced by an increase in thiobarbituric acid reactive substances and b* (yellowness) value， and a decrease in hardness. A total of 65 VOCs were identified during storage. Correlation between bacterial succession and quality indicators (including VOCs and physicochemical properties) allowed the identification of 26 core dominant bacteria， including S. proteamaculans， Psychrobacter alimentarius， Pseudomonas putide， and Pseudomonas poae， which were positively related to spoilage VOCs (e.g.， 1-octen-3-ol， 1-pentanol， and 3-methyl-1-butanol) and could be defined as specific spoilage organisms (SSOs). The results of this study provide a systematic approach to predict SSOs in smoked chicken legs during storage， which can also provide a basis for product safety.

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ICE1 interacts with IDD14 to transcriptionally activate QQS to increase pollen germination and viability

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Journal of Integrative Plant Biology 2024年第8期66卷 1801-1819页

作者： Landi Luo Yan Zheng Xieshengyang Li qian chen Danni Yang Zhijia Gu Ya Yang Yunqiang Yang Xiangxiang Kong Yongping Yang CAS Key Laboratory of Tropical Plant Resources and Sustainable Use Xishuangbanna Tropical Botanical GardenThe Chinese Academy of SciencesXishuangbanna 666303China Germplasm Bank of Wild Species Yunnan Key Laboratory for Crop Wild Relatives OmicsKunming Institute of BotanyThe Chinese Academy of SciencesKunming 650201China School of Agriculture Yunnan UniversityKunming 650091China Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyThe Chinese Academy of SciencesKunming 650201China

In flowering plants,sexual reproductive success depends on the production of viable pollen ***,the mechanisms by which QUA QUINE STARCH(QQS)regulates pollen development and how transcriptional activators facilitate the transcription of QQS in this process remain poorly ***,we demonstrate that INDUCER OF CBF EXPRESSION 1(ICE1),a basic helix–loop–helix(b HLH)transcription factor,acts as a key transcriptional activator and positively regulates QQS expression to increase pollen germination and viability in Arabidopsis thaliana by interacting with INDETERMINATE DOMAIN14(IDD14).In our genetic and biochemical experiments,overexpression of ICE1 greatly promoted both the activation of QQS and high pollen viability mediated by ***14 additively enhanced ICE1 function by promoting the binding of ICE1 to the QQS *** addition,mutation of ICE1 significantly repressed QQS expression;the impaired function of QQS and the abnormal anther dehiscence jointly affected pollen development of the ice1-2 *** results also showed that the enhancement of pollen activity by ICE1 depends on ***,QQS interacted with CUT1,the key enzyme for long-chain lipid *** interaction both promoted CUT1 activity and regulated pollen lipid metabolism,ultimately determining pollen hydration and *** results not only provide new insights into the key function of QQS in promoting pollen development by regulating pollen lipid metabolism,but also elucidate the mechanism that facilitates the transcription of QQS in this vital developmental process.

关键词： transcriptional metabolism jointly

Research progress on venous thrombosis development in patients with malignant tumors

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World Journal of Clinical Cases 2024年第11期12卷 1900-1908页

作者： Teng-Fei Wang qian chen Jie Deng Shi-Liang Li Yuan Xu Si-Xing Ma Department of Vascular Surgery The Affiliated Hospital of Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina Department of Organ Transplantation The Affiliated Hospital of Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina

The coexistence of venous thromboembolism(VTE)within patients with cancer,known as cancer-associated thrombosis(CAT),stands as a prominent cause of mortality in this *** recent years,the incidence of VTE has demonstrated a steady increase across diverse tumor types,influenced by several factors such as patient management,tumor-specific risks,and treatment-related ***,mutations in specific genes have been identified as potential contributors to increased CAT occurrence in particular cancer *** conducted an extensive review encompassing pivotal historical and ongoing studies on *** review elucidates the risks,mechanisms,reliable markers,and risk assessment methodologies that can significantly guide effective interventions in clinical practice.

关键词： Malignant tumor Venous thromboembolism Cancer-associated thrombosis Research progress

Pleural empyema with endobronchial mass due to Rhodococcus equi infection after renal transplantation: A case report and review of literature

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World Journal of Clinical Cases 2024年第1期12卷 224-231页

作者： Guo-Fu Liang Sheng Chao Zhou Sun Ke-Jing Zhu qian chen Lei Jia Yu-Lin Niu Department of Organ Transplantation School of Clinical MedicineGuizhou Medical UniversityGuiyang 550025Guizhou ProvinceChina Department of Organ Transplantation The Affiliated Hospital of Guizhou Medical UniversityGuiyang 550000Guizhou ProvinceChina

BACKGROUND Kidney transplantation is the best option for patients with end-stage renal ***,the need for lifelong immunosuppression results in renal transplant recipients being susceptible to various *** equi(***)is a rare opportunistic pathogen in humans,and there are limited reports of infection with *** in post-renal transplant recipients and no uniform standard of *** article reports on the diagnosis and treatment of a renal transplant recipient infected with *** 21 mo postoperatively and summarizes the charac-teristics of infection with *** after renal transplantation,along with a detailed review of the ***,we present the case of a 25-year-old man who was infected with *** 21 mo after renal *** the clinical features at the time of presentation were not specific,chest computed tomography(CT)showed a large volume of pus in the right thoracic cavity and right middle lung atelectasis,and fiberoptic bronchoscopy showed an endobronchial mass in the right middle and lower lobe *** culture and metagenomic next-generation sequen-cing sequencing of the pus were suggestive of *** *** immunosup-pressive drugs were immediately suspended and intravenous vancomycin and azithromycin were administered,along with adequate drainage of the *** endobronchial mass was then *** the patient’s clinical symptoms and chest CT presentation resolved,he was switched to intravenous ciprofloxacin and azithromycin,followed by oral ciprofloxacin and *** patient was re-hospitalized 2 wk after discharge for recurrence of *** *** recovered after another round of adequate abscess drainage and intravenous ciprofloxacin and *** Infection with *** in renal transplant recipients is rare and complex,and the clinical presentation lacks *** antibiotic therapy is required,and adequate abscess drainage and s

关键词： Kidney transplantation Rhodococcus equi Pleural empyema Pulmonary atelectasis Immunosuppression Case report

A systematic framework of constructing surrogate model for slider track peeling strength prediction

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Science China Technological Sciences 2024年第10期67卷 3261-3274页

作者： DONG XingJian chen qian LIU WenBo WANG Dong PENG ZhiKe MENG Guang State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong University KEIPER Seating Mechanisms Co. Ltd. Department of Industrial Engineering and Management Shanghai Jiao Tong University

Peeling strength can comprehensively reflect slider track safety and is crucial in car seat safety assessments. Current methods for determining slider peeling strength are primarily physical testing and numerical simulation. However, these methods encounter the potential challenges of high costs and overlong time consumption which have not been adequately addressed. Therefore, the efficient and low-cost surrogate model emerges as a promising solution. Nevertheless, currently used surrogate models suffer from inefficiencies and complexity in data sampling, lack of robustness in local model predictions, and isolation between data sampling and model prediction. To overcome these challenges, this paper aims to set up a systematic framework for slider track peeling strength prediction, including sensitivity analysis, dataset sampling, and model prediction. Specifically, the interpretable linear regression is performed to identify the sensitivity of various geometric variables to peeling strength. Based on the variable sensitivity, a distance metric is constructed to measure the disparity of different variable groups. Then, the sparsity-targeted sampling(STS) is proposed to formulate a representative dataset. Finally, the sequentially selected local weighted linear regression(SLWLR) is designed to achieve accurate track peeling strength prediction. Additionally, a quantitative cost assessment of the supplementary dataset is proposed by utilizing the minimum adjacent sample distance as a mediator. Experimental results validate the efficacy of sequential selection and the weighting mechanism in enhancing localization ***, the proposed SLWLR method surpasses similar approaches and other common surrogate methods in terms of prediction performance and data quantity requirements, achieving an average absolute error of 3.3 kN in the simulated test dataset.

关键词： slider track peeling strength surrogate model sensitivity analysis data sampling local weighted linear regression

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From Differential Mode of Association to Tianxia Worldview:A Study on Chinese Entrepreneurial Spirit

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China Economist 2024年第4期19卷 58-88页

作者： Chao Gang qian chen Wang Lei School of Business Administration South China University of TechnologyGuangzhouChina School of Economics and Management Tsinghua UniversityBeijingChina School of Politics and Public Administration South China Normal UniversityGuangzhouChina

China has made significant strides in economic and social development since reform and opening up over the past four *** process has been influenced by the exceptional innovation and entrepreneurship of Chinese business leaders,as well as their profound sentiments of compassion for the world and their *** is of great significance to foster and promote an entrepreneurial spirit with distinctive Chinese *** only is such spirit essential to the high-quality development of enterprises and the economy,but it is also a critical impetus for achieving Chinese ***,there is still a paucity of adequate theoretical discourse on the cultural origins and entrepreneurial spirit of outstanding Chinese business *** paper employs the classical grounded theory method to conduct a 10-year follow-up research on 11 representative entrepreneurs and their *** results indicate that these entrepreneurs exhibit an evolving worldview along the paths of“self-cultivation and moral conduct”,“assisting employees to achieve”,“multilateral symbiosis”,and“the oneness of existence”when interacting with themselves,employees,partners,the general public,and all things in *** entrepreneurial spirit is embodied in this paper as the“Tianxia(all-under-heaven)worldview”.Through theoretical construction,this study defines the concept of“Tianxia worldview”and extensively examines the distinctions and connections between the broadminded“Tianxia worldview”and the kinship-centered“differential mode of association”in terms of internal structure,value orientation,and applicable *** is posited that the transition from the former to the latter is a continuous process of transcendence and evolution of the individual *** study has theoretical significance in the context of advancing the research on the Chinese entrepreneurial spirit,transcending the constraints of the management approach based on the“differential mode of a

关键词： Tianxia worldview differential mode of association Chinese entrepreneurial spirit corporate social responsibility grounded theory method

从“新剧”到“国剧”:华美协进社与中国现代戏剧转型

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中国人民大学学报 2024年第2期38卷 140-149页

作者：陈倩中国人民大学文学院

华美协进社虽非专业戏剧社团,却与中国现代戏剧有着千丝万缕的联系。尤其在其诞生前后,即1924年“国剧运动”在纽约发起至1930年梅兰芳访美,它对中国现代戏剧的转型起到了不容忽视的作用:它促进以杜威为核心的实用主义美学和以马修斯为... 详细信息

华美协进社虽非专业戏剧社团,却与中国现代戏剧有着千丝万缕的联系。尤其在其诞生前后,即1924年“国剧运动”在纽约发起至1930年梅兰芳访美,它对中国现代戏剧的转型起到了不容忽视的作用:它促进以杜威为核心的实用主义美学和以马修斯为代表的英美现代演剧模式的引入;它倡导戏剧发展方向从“为人生”转向“为艺术”,积极探索戏剧的各种形式要素;它打破20世纪初中国对国外话剧的单向接受,努力建设中国古典传统与西方现代艺术融合的“国剧”。本文对该社诞生前后中国戏剧发展轨迹的变化进行探讨,尝试从另一个侧面理解中国现代戏剧史。

关键词：华美协进社新剧国剧中外戏剧交流

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长三角生态环境协同立法的现状、挑战与对策

南通大学学报（社会科学版） 2024年第1期40卷 69-82页

作者：陈倩上海财经大学法学院

长三角生态环境协同立法在实践中以跨界环境问题、区域共同利益和国家发展战略为内在驱动,按内容大致可分为完全一致型、基本相同型和核心协同型三种,但其应有效能并未充分发挥。究其原因,主要在于地方性法规的立法空间不明,府际环境协... 详细信息

长三角生态环境协同立法在实践中以跨界环境问题、区域共同利益和国家发展战略为内在驱动,按内容大致可分为完全一致型、基本相同型和核心协同型三种,但其应有效能并未充分发挥。究其原因,主要在于地方性法规的立法空间不明,府际环境协议的法律地位不清,二者关系及其在区域协同立法工作机制中的功能定位不显,相应带来权力配置混乱、事项范围模糊、规范趋同度与拘束力大小不一等一系列问题。因此,需要通过主次分明的立法构造,实现地方性法规、府际环境协议与共同、协同立法模式的组配,在规范制定主体事权划分、协同立法程序、区域利益协调和立法拘束力实现等方面,以层次化逻辑结构搭建常态化区域协同立法工作机制,满足长三角区域协调发展的需要。

关键词：长三角一体化区域协调发展协同立法生态环境

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洞庭湖生源要素分布特征及生态效应

北京大学学报（自然科学版） 2024年第2期60卷 341-349页

作者：林婕李斌陈倩北京大学深圳研究生院环境与能源学院深圳518055 北京大学环境工程系教育部水沙科学重点实验室北京100871

根据洞庭湖城陵矶站1990—2015年月平均COD,TN和TP浓度的监测资料,基于趋势分析方法,系统地研究洞庭湖水体生源要素的年内变化和年际变化规律,进一步揭示其化学计量比例特征,在此基础上探讨生源要素浓度及结构对藻类生长的影响。结果表... 详细信息

根据洞庭湖城陵矶站1990—2015年月平均COD,TN和TP浓度的监测资料,基于趋势分析方法,系统地研究洞庭湖水体生源要素的年内变化和年际变化规律,进一步揭示其化学计量比例特征,在此基础上探讨生源要素浓度及结构对藻类生长的影响。结果表明,多年平均COD,TN和TP浓度的年内变化规律相似,均表现为非汛期>汛期;多年变化趋势方面,1990年以来,洞庭湖城陵矶站年平均COD,TN和TP浓度均呈现显著的上升趋势,对应C:N和C:P随时间推移而下降,N:P则表现为上升。洞庭湖城陵矶站水体C:N:P平均为13:18:1,冗余分析结果表明水体生源要素浓度及化学计量比会影响藻类生长,其中C:N,C:P和COD起主导作用。研究时段内城陵矶站水体氮磷含量整体偏高,已满足藻类生长需求,为避免水华爆发等不良生态后果,应控制外来氮磷输入,保持湖体化学计量比的平衡。

关键词：洞庭湖生源要素化学计量比趋势分析