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沙棘副产品的饲用价值评定及其提取物抑菌效果研究

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饲料研究 2024年第3期47卷 85-89页

作者：宁可黄建智任智力刘士哲王千龙盛月云塔里木大学动物科学与技术学院新疆阿拉尔843300 塔里木畜牧科技兵团重点实验室新疆阿拉尔843300

研究旨在探究沙棘副产品的营养价值及其提取物对大肠杆菌的抑菌效果。试验采用亚硝酸钠-硝酸铝法测定黄酮含量,醇提法和水提法提取沙棘副产品活性物质,使用滤纸片法、打孔法、肉汤稀释法研究沙棘副产品提取物对大肠杆菌的抑菌效果。结... 详细信息

研究旨在探究沙棘副产品的营养价值及其提取物对大肠杆菌的抑菌效果。试验采用亚硝酸钠-硝酸铝法测定黄酮含量,醇提法和水提法提取沙棘副产品活性物质,使用滤纸片法、打孔法、肉汤稀释法研究沙棘副产品提取物对大肠杆菌的抑菌效果。结果表明,沙棘副产品干物质(DM)含量为97.98%,灰分(Ash)含量为3.41%,粗蛋白(CP)含量为12.87%,粗脂肪(EE)含量为22.48%。随着沙棘副产品添加量的增加,产气量呈现递减的趋势。醇提法和水提法中常量肉汤稀释法抑菌效果最好;在醇提法中滤纸片法的抑菌效果良好,其抑菌圈为14.6 mm;水提法中滤纸片法无明显抑菌圈;打孔法在醇提法与水提法中均不明显。研究表明,沙棘副产品营养价值丰富,醇提法提取的沙棘副产品活性提取物比水提法对大肠杆菌具有更明显的抑制效果。

关键词：沙棘副产品营养价值活性提取物抑菌作用

Transsphenoidal approach to pituitary adenoma： surgical technique of the Peking Union Medical College Hospital

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Chinese Medical Journal 2009年第24期122卷 3086-3090页

作者： li Yong-Ning WANG ren-zhi li Gui-lin Department of Neurosurgery Peking Union Medical College Hospital Chinese Academy of Medical Sciences Beijing 100730 China

Although presented over one hundred years ago, the transsphenoidal approach to pituitary adenoma is still the most suitable and safe route to pituitary adenoma, with a series of significant evolutional steps. The transsphenoidal approach to pituitary adenoma is still a non-universal approach used in different centers of different areas in our country. The transsphenoidal approach has a number of variations, including the endonasal rhinoseptoplastic, transnasal displacement,

关键词： transsphenoidal approach surgical technique pituitary adenoma

A High-Performance and Flexible Chemical Structure&Data Search Engine Built on CouchDB&ElasticSearch

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Chinese Journal of Chemical Physics 2018年第3期31卷 341-349,368页

作者： ren-zhi li Bo-jie li Guo-zhen Zhang Jun Jiang Yi Luo Hefei National Laboratory for Physical Sciences at the Microscale School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefei 230026China

Computer-assisted chemical structure searching plays a critical role for efficient structure screening in cheminformatics. We designed a high-performance chemical structure & data search engine called DCAIKU, built on CouchDB and ElasticSearch engines. DCAIKU converts the chemical structure similarity search problem into a general text search problem to utilize off-the-shelf full-text search engines. DCAIKU also supports flexible document structures and heterogeneous datasets with the help of schema-less document database. Our evaluations show that DCAIKU can handle both keyword search and structural search against millions of records with both high accuracy and low latency. We expect that DCAIKU will lay the foundation towards large-scale and cost-effective structural search in materials science and chemistry research.

关键词： Search engine Cheminformatics Structural search Schema-less databases

Asymmetric alkenylation reaction of benzoxazinones with diarylethylenes catalyzed by B(C_(6)F_(5))_(3)/chiral phosphoric acid

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Chinese Chemical Letters 2024年第5期35卷 135-140页

作者： Zhen liu zhi-Yuan ren Chen Yang Xiangyi Shao li Chen Xin li State Key Laboratory of Elemento-Organic Chemistry Frontiers Science Center for New Organic MatterCollege of ChemistryNankai UniversityTianjin 300071China Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300192China Zhenhai High School of Zhejiang Ningbo 315299China

Catalytic enantioselective alkenylation is an efficient method to construct chiral alkene molecules,but the asymmetric alkenylation of simple alkenes catalyzed by metal-free catalysts remains an elusive ***,we reported an asymmetric alkenylation of benzoxazinones with diarylethylenes by utilizing a B(C_(6)F_(5))_(3)/chiral phosphoric acid catalyst.A broad of benzoxazinones and diarylethylenes with electron-withdrawing and electron-donating groups were tolerated(up to 95%yield and 97.5:2.5 e.r.)in the methodology under mild reaction ***,the synthetic utility was confirmed by the scaled-up reaction and transformations of the *** mechanism was preliminarily explored by control reactions,nonlinear effect experiment and DFT calculations.

关键词： Asymmetric alkenylation Simple alkenes Benzoxazinones B(C_(6)F_(5))_(3)/chiral phosphoric acid Theoretical calculations

All roads lead to Rome-a review of the potential mechanisms by which exerkines exhibit neuroprotective effects in Alzheimer’s disease

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Neural Regeneration Research 2022年第6期17卷 1210-1227页

作者： Yi-Yao liang li-Dan Zhang Xi Luo li-li Wu Zhao-Wei Chen Guang-Hao Wei Kai-Qing Zhang Ze-An Du ren-zhi li Kwok-Fai So Ang li Guangdong-Hong Kong-Macao Institute of CNS Regeneration Jinan UniversityGuangzhouGuangdong ProvinceChina Key Laboratory of CNS Regeneration(Jinan University) Ministry of EducationGuangzhouGuangdong ProvinceChina Department of Medical Ultrasonics Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Guangdong Key Laboratory of liver Disease Research Sun Yat-sen UniversityGuangzhouGuangdong ProvinceChina Department of Clinical Medicine School of MedicineJinan UniversityGuangzhouGuangdong ProvinceChina Department of Clinical Medicine International SchoolJinan UniversityGuangzhouGuangdong ProvinceChina International Department of the Affiliated High School of South China Normal University GuangzhouGuangdong ProvinceChina Bioland Laboratory(Guangzhou Regenerative Medicine and Health Guangdong Laboratory) GuangzhouGuangdong ProvinceChina Co-Innovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina

Age-related neurodegenerative disorders such as Alzheimer’s disease(AD)have become a critical public health issue due to the significantly extended human lifespan,leading to considerable economic and social *** therapies for AD such as medicine and surgery remain ineffective,impractical,and *** studies have shown that a variety of bioactive substances released by physical exercise(called“exerkines”)help to maintain and improve the normal functions of the brain in terms of cognition,emotion,and psychomotor *** evidence suggests that exerkines may exert beneficial effects in AD as *** review summarizes the neuroprotective effects of exerkines in AD,focusing on the underlying molecular mechanism and the dynamic expression of exerkines after physical *** findings described in this review will help direct research into novel targets for the treatment of AD and develop customized exercise therapy for individuals of different ages,genders,and health conditions.

关键词： Alzheimer’s disease amyloid beta central nervous system exerkine neurodegeneration neuroinflammation neuroprotection oxidative stress physical exercise Tau protein

Polydatin ameliorates hepatic ischemia-reperfusion injury by modulating macrophage polarization

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Hepatobiliary & Pancreatic Diseases International 2024年第1期23卷 25-34页

作者： Hai-li Bao Chuan-zhi Chen Chang-Zhen ren Ke-Yan Sun Hao liu Shao-Hua Song zhi-ren Fu Department of Organ Transplantation Shanghai Changzheng HospitalNavy Military Medical UniversityShanghai 200003China Department of Surgical Oncology the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Cardiology Shanghai Changzheng HospitalNaval Military Medical UniversityShanghai 200003China Department of General Surgery Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China

Background:Polydatin,a glucoside of resveratrol,has shown protective effects against various ***,little is known about its effect on hepatic ischemia-reperfusion(I/R)*** study aimed to elucidate whether polydatin protects liver against I/R-induced injury and to explore the underlying ***:After gavage feeding polydatin once daily for a week,mice underwent a partial hepatic I/R *** alanine aminotransferase(ALT)/aspartate aminotransferase(AST),hematoxylin-eosin(H&E)and TdT-mediated dUTP nick-end labeling(TUNEL)staining were used to evaluate liver *** severity related to the inflammatory response and reactive oxygen species(ROS)production was also ***,immunofluorescence and Western blotting were used to detect macrophage polarization and the NF-κB signaling pathway in ***:Compared with the I/R group,polydatin pretreatment significantly attenuated I/R-induced liver damage and *** oxidative stress marker(dihydroethidium fluorescence,malondialdehyde,superoxide dismutase and glutathione peroxidase)and I/R related inflammatory cytokines(interleukin1β,interleukin-10 and tumor necrosis factor-α)were significantly suppressed after polydatin *** addition,the result of immunofluorescence indicated that polydatin reduced the polarization of macrophages toward M1 macrophages both in vivo and in *** blotting showed that polydatin inhibited the pro-inflammatory function of RAW264.7 via down-regulating the NF-κB signaling ***:Polydatin protects the liver from I/R injury by remodeling macrophage polarization via NFκB signaling.

关键词： Hepatic ischemia-reperfusion injury Polydatin Macrophage Polarization Inflammation

Comparison of Functional and Radiological Outcomes Between Two Posterior Approaches in the Treatment of Multilevel Cervical Spondylotic Myelopathy

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Chinese Medical Journal 2015年第15期128卷 2054-2058页

作者： Da-Jiang ren Fang li zhi-Cheng Zhang Guan Kai Jian-lin Shan Guang-Min Zhao Tian-Sheng Sun Department of Orthopedic Surgery Beijing Army General Hospital Beijing 100700 China

Background：Posterior cervical decompression is an accepted treatment for multilevel cervical spondylotic myelopathy （CSM）.Each posterior technique has its own advantages and *** the present study,we compared the functional and radiological outcomes of expansive hemilaminectomy and laminoplasty with mini titanium plate in the treatment of multilevel ***：Forty-four patients with multilevel CSM treated with posterior cervical surgery in Department of Orthopedic Surgery,Beijing Army General Hospital from March 2011 to June 2012 were enrolled in this retrospective *** were divided into two groups by surgical procedure：Laminoplasty （Group L） and hemilaminectomy （Group H）.Perioperative parameters including age,sex,duration of symptoms,opcrative duration,and intraoperative blood loss were recorded and *** canal area,calculated using AutoCAD software（Autodesk Inc.,San Rafael,CA,USA）,and neurological improvement,evaluated with Japanese Orthopedic Association score,were also ***：Neurological improvement did not differ significantly between *** H had a significantly shorter operative duration and significantly less blood *** expansion ratio was significantly greater in Group L （77.83 ± 6.41%） than in Group H （62.72 ± 3.86%）（P 〈 0.01）.Conclusions：Both surgical approaches are safe and effective in treating multilevel *** provides a greater degree of enlargement of the spinal canal,whereas expansive hemilaminectomy has the advantages of shorter operative duration and less intraoperative blood loss.

关键词： Expansive Hemilaminectomy Laminoplasty Multilevel Cervical Spondylotic Myelopathy Posterior Cervical Decompression

Normalized Solution for p-Kirchhoff Equation with a L2-supercritical Growth

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Acta Mathematicae Applicatae Sinica 2024年第2期40卷 414-429页

作者： zhi-min ren Yong-yi LAN School of Sciences Jimei UniversityXiamen 361005China

In this paper,we investigate the following p-Kirchhoff equation{∫R^(N)|u|^(2)dx=ρ,(a+b)∫RN(|Δu}^(p)+|u|^(p))dx)(-Δpu+|u|^(p-2u)=|u|^(s-2)u+μu,x∈R^(N),where a>0,b≥0,p>0 are constants,constants,p*=N-P/Np is the critical Sobolev exponent,μis a Lagrange multiplier,-Δpu=-div(|Δu|_(p-2)u),2lized solution using the mountain pass lemma and some analysis techniques.

关键词： p-Kirchhoff equation normalized solution mountain-pass lemma

A Delayed-interval Delivery of An in vitro-fertilized Twin Pregnancy with Premature Rupture of Membranes

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Journal of Reproduction and Contraception 2013年第2期24卷 126-130页

作者： Hui-ling QIU Jian-zhi ren Ping li Ai-guo SHA Assisted Reproductive Center Chenggong Hospital Xiamen University

This article presents a case of conservative managements of an in vitro-fertilized twin pregnancy with early loss of the first fetus. A 37-year-old woman in the 21st week of a twin pregnancy delivered her one of the fetuses with unfortunate outcome after the premature rupture of membranes. The umbilical cord of the first fetus was ligated at the cervical level and the second surviving fetus was left in utero. In order to save the surviving fetus, conservative managements including combination of steroids, tocolytics, antibiotics and cervical cerclage were performed. The second fetus was delivered vaginally in the 27th week of pregnancy, 4 h after premature rupture of membranes of the remaining amniotic sac, 41 d after the first fetus was born. The child and the mother have been followed up for 4 years and they are healthy. Conservative managements including steroids, tocolytics, antibiotics and cervical cerclage in a closely monitored environment would be given following the delivery of the first fetus. Delayed-interval pregnancy appears to be safe for the mother and the remaining fetuses.

关键词： in vitro fertilization (IVF) multiple pregnancies delayed-interval delivery