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| 1 | Interaction between autophagy and the NLRP3 inflammasome显示文摘Autophagy,a metabolic pathway that plays an important role in maintaining the dynamic balance of cells,has two types,i.e.non-selective autophagy and selective autophagy.The role of nonselective autophagy is primarily to allow cells to circulate nutrients in an energy-limited environment,while selective autophagy primarily cleans up the organelles inside the cells to maintain the cell structure.The NLRP3 inflammasome is an innate immune response produced by the organism that can promote the secretion of interleukin-1f3 and interleukin-18 through caspase-1 activation and resist the damage of some pathogens.However,when the NLRP3 inflammasome is overactivated,it can cause various inflammatory diseases,such as inflammatory liver disease and inflammatory bowel disease.Many previous studies have shown that autophagy can inhibit the NLRP3 inflammasome,while in recent years,new studies have found that autophagy can also promote the NLRP3 inflammasome in some cases,and the NLRP3 inflammasome can,in turn,affect autophagy.In this review,the interaction between autophagy and the NLRP3 inflammasome is explored,and then the application of this interaction in disease treatment is discussed. | Zhenrui Cao Yanhao Wang Zhimin Long Guiqiong He | 2019 | Acta Biochimica et Biophysica Sinica2019,51,11: | 14 |
| 2 | Epigenetic mechanism of Survivin dysregulation in human cancer显示文摘Survivin(coding gene BIRC5) is a dual functional protein acting as a critical inhibitor of apoptosis(IAP) and key regulator of cell cycle progression. It is usually produced in embryonic tissues during development and undetectable in most adult tissues.Overexpression of Survivin frequently occurs in various human cancers and increased Survivin correlates with poor clinic outcome, tumor recurrence, and therapeutic resistance. Because of its selective expression in tumor, but not normal tissues,Survivin has been recognized as an attractive target for cancer treatment. Although several therapeutic approaches targeting Survivin are actively under clinical trials in human cancers, to date no Survivin-targeted therapy has been approved for cancer treatment. Numerous studies have devoted to uncovering the underlying mechanism resulting in Survivin dysregulation at multiple levels, such as transcriptional and post-transcriptional regulation. The current article provides a literature review on the transcriptional and epigenetic regulation of Survivin expression in human cancers. We focus on the impact of DNA methylation and histone modifications, including specific lysine methylation, demethylation, and acetylation on the expression of Survivin.The latest development of epigenetic approaches targeting Survivin for cancer treatment are also discussed. | Hui Lyu Jingcao Huang Zhimin He Bolin Liu | 2018 | Science China(Life Sciences)2018,61,7: | 11 |
| 3 | Up-regulation of breast cancer resistance protein plays a role in HER2-mediated chemoresistance through PI3K/Akt and nuclear factor-kappa B signaling pathways in MCF7 breast cancer cells显示文摘人的表皮的生长因素受体 2 (HER2/neu,也作为 ErbB2 知道) overexpression 在癌症与差的预后和 chemoresistance 被相关。乳癌抵抗蛋白质(BCRP 和 ABCG2 ) 在许多癌症房间是为 multidrug 抵抗(MDR ) 负责的药流出泵。HER2 和 BCRP 在乳癌病人与差的治疗反应被联系,尽管在 HER2 和 BCRP 表示之间的关系不是清楚的。这里,我们证明进 MCF7 乳癌房间(MCF7/HER2 ) 的 HER2 的 transfection 经由 phosphatidylinositol 3-kinase (PI3K ) 导致了 BCRP 的一条起来规定 /Akt 和发信号的原子 factor-kappa B (NF-B ) 。有 PI3K 禁止者 LY294002, IB phosphorylation 禁止者 Bay11-7082,和 IB 的主导的否定异种的 MCF/HER2 房间的治疗禁止了导致 HER2 的 BCRP 倡导者活动。而且,我们发现 HER2 overexpression 导致了 MCF7 房间的一个增加的电阻到多重 antitumor 药象 paclitaxel (Taxol ) 那样, cisplatin (DDP ) , etoposide (VP-16 ) , adriamycin (ADM ) , mitoxantrone (MX ) ,和 5 氟尿嘧啶(5-FU ) 。而且, silencing BCRP 或有选择地的表示禁止 Akt 或 NF-B 的活动部分地至少敏化 MCF7/HER2 房间到这些化疗代理人。一起拿,通过表明小径的 PI3K/AKT/NF-B 的 BCRP 的起来规定在 MCF7 的调停 HER2 的 chemoresistance 起了一个重要作用房间,和 AKT, NF-B,和 BCRP 小径可能为治疗学的干预用作潜在的目标。 | Weijia Zhang Wei Ding Ye Chen Meilin Feng Yongmei Ouyang Yanhui Yu Zhimin He | 2011 | Acta Biochimica et Biophysica Sinica2011,43,8: | 8 |
| 4 | Thermodynamic and Equilibrium Composition Analysis of Using Iron Oxide as an Oxygen Carrier in Nonflame Combustion Technology显示文摘Nonflame combustion technology (NFCT) is a harmonious energy utilization technology. There are not environmental-unfriendly gases such as NOx, CO2 discharged in the whole combustion process. Combustion processes realizes zero emission through this technology. Fe2O3 is involved as oxygen carrier, is examined thermodynamically, and the thermodynamic data of the redox reactions are calculated. Using the criteria of minimizing the Gibbs free energy, the equilibrium composition was investigated. The equilibrium analysis shows that producing complete oxidized resultants must have high molar ratio of Fe2O3/CH4. If quantity of Fe2O3 is not sufficient, more partial oxidized products such as CO, H2, even C will be produced. | Jiayu Xin Hua Wang Fang He Zhimin Zhang | 2005 | Journal of Natural Gas Chemistry2005,14,4: | 8 |
| 5 | Cancer metabolism and tumor microenvironment:fostering each other?显示文摘The changes associated with malignancy are not only in cancer cells but also in environment in which cancer cells live.Metabolic reprogramming supports tumor cells’high demand of biogenesis for their rapid proliferation,and helps tumor cells to survive under certain genetic or environmental stresses.Emerging evidence suggests that metabolic alteration is ultimately and tightly associated with genetic changes,in particular the dysregulation of key oncogenic and tumor suppressive signaling pathways.Cancer cells activate HIF signaling even in the presence of oxygen and in the absence of growth factor stimulation.This cancer metabolic phenotype,described firstly by German physiologist Otto Warburg,ensures enhanced glycolytic metabolism for the biosynthesis of macromolecules.The conception of metabolite signaling,i.e.,metabolites are regulators of cell signaling,provides novel insights into how reactive oxygen species(ROS)and other metabolites deregulation may regulate redox homeostasis,epigenetics,and proliferation of cancer cells.Moreover,the unveiling of noncanonical functions of metabolic enzymes,such as the moonlighting functions of phosphoglycerate kinase 1(PGK1),reassures the importance of metabolism in cancer development.The metabolic,microRNAs,and ncRNAs alterations in cancer cells can be sorted and delivered either to intercellular matrix or to cancer adjacent cells to shape cancer microenvironment via media such as exosome.Among them,cancer microenvironmental cells are immune cells which exert profound effects on cancer cells.Understanding of all these processes is a prerequisite for the development of a more effective strategy to contain cancers. | Yiyuan Yuan Huimin Li Wang Pu Leilei Chen Dong Guo Hongfei Jiang Bo He Siyuan Qin Kui Wang Na Li Jingwei Feng Jing Wen Shipeng Cheng Yaguang Zhang Weiwei Yang Dan Ye Zhimin Lu Canhua Huang Jun Mei Hua-Feng Zhang Ping Gao Peng Jiang Shicheng Su Bing Sun Shi-Min Zhao | 2022 | Science China(Life Sciences)2022,65,2: | 5 |
| 6 | Dramatic transition between electric and magnetic rotations in ^(106)Ag显示文摘The lifetimes for the states of magnetic dipole band in106Ag have been measured using the Doppler-shift attenuation method via the reaction of100Mo(11B,5n)106Ag at a beam energy of 60 MeV.The reduced transition strengths of the magnetic dipole band,the B(M1)/B(E2)ratios together with the signature of the level energy as a function of angular momentum for the positive parity states of106Ag show that a drastic change of excitation mode,that is,from electric rotation to magnetic rotation,occurs within one unit of spin at around Iπ=12+.Theoretical calculations based on the triaxial projected shell model consistently reproduce the experimental data and provide an explanation on the nature of observed phenomena such that the dynamical drift of the rotational axis suddenly from the principal axis to the tilted one,along the positive parity bands of106Ag. | ZHENG Yun ZHU LiHua CHEN YongShou WU XiaoGuang HE ChuangYe HAO Xin LIU Ying WANG ZhiMin LI XueQin LI GuangSheng GAO ZaoChun SUN HuiBin | 2014 | Science China(Physics,Mechanics & Astronomy)2014,57,9: | 4 |
| 7 | Temperature-induced Lifshitz transition in topological insulator candidate HfTe_5显示文摘The ongoing discoveries and studies of novel topological quantum materials have become an emergent and important field of condensed matter physics.Recently,HfTe_5 ignited renewed interest as a candidate of a novel topological material.The single-layer HfTe_5 is predicted to be a two-dimensional large band gap topological insulator and can be stacked into a bulk that may host a temperature-driven topological phase transition.Historically,HfTe_5 attracted considerable interest for its anomalous transport properties characterized by a peculiar resistivity peak accompanied by a sign reversal carrier type.The origin of the transport anomaly remains under a hot debate.Here we report the first high-resolution laser-based angle-resolved photoemission measurements on the temperature-dependent electronic structure in HfTe_5.Our results indicated that a temperature-induced Lifshitz transition occurs in HfTe_5,which provides a natural understanding on the origin of the transport anomaly in HfTe_5.In addition,our observations suggest that HfTe_5 is a weak topological insulator that is located at the phase boundary between weak and strong topological insulators at very low temperature. | Yan Zhang Chenlu Wang Guodong Liu Aiji Liang Lingxiao Zhao Jianwei Huang Qiang Gao Bing Shen Jing Liu Cheng Hu Wenjuan Zhao Genfu Chen Xiaowen Jia Li Yu Lin Zhao Shaolong He Fengfeng Zhang Shenjin Zhang Feng Yang Zhimin Wang Qinjun Peng Zuyan Xu Chuangtian Chen Xingjiang Zhou | 2017 | Science Bulletin2017,62,13: | 4 |
| 8 | Preparation and Microstructure of Green Ceramsite Made from Sewage Sludge显示文摘A pilot study was conducted to produce high performance green ceramsite by using sewage sludge, fly ash and silt. According to the theory of Riley, the proportions of raw materials were chosen to perform the sintering experiments. Thereby, the optimum proportion of sludge, fly ash and silt and sintering parameters were determined. The microstructure of the optimized mixture and the leaching of heavy metal elements were also analyzed. The lab testing results show that sintering parameters have significant impact on the performance of ceramsite. For solid waste ceramsite with high loss of ignition, inadequate pre-burning process lowers the strength and increases the water absorption. Low water absorption can be achieved by the enameled surface and closed pore structure. The high performance green ceramsite has the density grade of 700, water absorption of 6% and compressive strength of 6.6 MPa. The ceramsite is mainly composed of cristobalite and mullite. The leaching of heavy metal elements from the solid waste ceramsite are lower than the limits required by the national standard. This study shows that the utilization of solid waste ceramsite as the light weight aggregate is feasible and safe. | 柳俊哲 LIU Rui HE Zhimin BA Mingfang 李玉顺 | 2012 | Journal of Wuhan University of Technology(Materials Science)2012,27,1: | 4 |
| 9 | Associations of PGK1 promoter hypomethylation and PGK1-mediated PDHK1 phosphorylation with cancer stage and prognosis:a TCGA pan-cancer analysis显示文摘Background:Cancer cells reprogram metabolism for proliferation.Phosphoglycerate kinase 1(PGK1),as a glycolytic enzyme and newly identified protein kinase,coordinates glycolysis and mitochondrial metabolism.However,the clini-cal significance of PGK1 expression and function in cancer progression is unclear.Here,we investigated the relation-ship between the progression and prognosis of multiple cancer types and PGK1 expression and its function in the mitochondrial metabolism regulation.Methods:We performed pan-cancer analyses of PGK1 mRNA level and DNA methylation in 11,908 tumor tissues and 1582 paired normal tissues across 34 cancer types in The Cancer Genome Atlas datasets.Using specific antibodies against PGK1 S203 and PDHK1 T338 phosphorylation,we performed immunohistochemistry with tissue microarray assay in additional 818 cancer cases with 619 paired normal tissues from five cancer types.Results:The PGK1 mRNA level was significantly elevated with hypomethylation in promotor regions and associated with advanced TNM stage in 15 and four cancer types,respectively.In breast carcinoma,elevated PGK1 mRNA level and promoter hypomethylation were associated with poor prognosis.Positively correlated PGK1 S203 and PDHK1 T338 phosphorylation levels were significantly associated with short overall survival(OS)in cancers of the breast,liver,lung,stomach,and esophagus and with advanced TNM stage in breast and esophageal cancers.PGK1 pS203 and PDHK1 pT338 were also independent predictors of short OS in liver,lung,and stomach cancer.Conclusions:The elevated expression,promoter hypomethylation,and phosphorylation of PGK1 and PDHK1 were related with disease progression and short OS in diverse types of cancer.PGK1 and PDHK1 phosphorylation may be potential prognostic biomarkers. | Fei Shao Xueying Yang Wei Wang Juhong Wang Wei Guo Xiaoli Feng Susheng Shi Qi Xue Shugeng Gao Yibo Gao Zhimin Lu Jie He | 2019 | Cancer Communications2019,39,1: | 4 |
| 10 | Application Value of Topical Aneasthesia in Children Strabismus Surgery显示文摘Purpose:Comparison of topical vs general aneasthesia for strabismus surgery. Methods: Preoperative patients (aged 6~12 years) were divided into two study groups: the topical aneasthesia group (n=22), and the general aneasthesia group (n=21). The study groups were compared on the following measures:.analgesic effect, surgical correction effect, eye-heart reflex, preoperative preparation time. and operation time, using t-tests or X2 tests where appropriate. Results:.Compared with the general aneasthesia group, the topical aneasthesia group gained better surgical correction results(P<0.05), had a lower rate of eye-heart reflex (P<0.05), and had a shorter preoperative preparation time (P<0.001). No significant difference was observed between the groups in terms of the analgesic effect or operation time (P>0.05). Conclusion:Topical aneasthesia represents a safe and effective alternative to general aneasthesia for strabismus surgery in children. | Xiaoping He Lina Chen Xinfu Pan Huiyong Hu Zhimin Shi | 2012 | Eye Science2012,27,3: | 3 |
| 11 | Oscillating Cellulase Adsorption and Enhanced Lignocellulose Hydrolysis upon Ultrasound Treatment显示文摘We investigated the effects of ultrasound treatment on cellulase adsorption and lignocellulose hydrolysis.The activity of cellulase remained constant upon lowpower ultrasound treatment(<120 W) and decreased using high-power ultrasound(>280 W).Oscillating cellulase adsorption occurred upon ultrasound treatment with any intensity.The maxima for desorption and adsorption were41.9 and 83.1%,respectively,during 1 h of 90 W ultrasound treatment at 50 °C.A comparison between the shorttime with long-time ultrasound experiments indicated that ultrasound treatment tended to desorb cellulase from substrate.However,ultrasound treatment also led to further surface erosion of biomass,which increased cellulase accessibility.These joint actions of ultrasound treatment induced the oscillating adsorption of cellulase.The increase in cellulase accessibility caused by ultrasound treatment led to a significant enhancement in lignocellulose hydrolysis. | Rongxin Su Renjun Yang Yang Jifeng Ruoyu Du Renliang Huang Wei Qi Zhimin He | 2017 | Transactions of Tianjin University2017,23,1: | 3 |
| 12 | 中国淮安地区2009年至2011年恶性肿瘤的发病率及死亡率分析(英文)显示文摘Objective: The aim of the study was to investigate the cancer incidence and mortality in Huai'an area, China, from 2009 to 2011. Methods: The data about cancer incidence and mortality were provided by Huai'an Cancer Registry, China. In- cidence and mortality rates, and standardized rates were calculated by age, gender, areas (urban and rural areas of Huai'an) and cancer sites. Results: The crude incidence rate for all cancer sites was 205.60/10 5 and the standardized incidence rate was 166.22/10 5 . Both the crude and standardized rates were higher in urban area than in rural area for both sexes. The inci- dence rates increased in people aged 40 and over, and the peak ages of incidence were between 70-75 in both males and females. The crude mortality rate for all cancer sites was 153.88/10 5 and the standardized mortality rate was 122.14/10 5 . Both the crude and standardized rates were similar in urban and rural areas for both men and women. The mortality rates were at low level under the age 50 in both sexes, but increased after the age 50, reaching the peak at the ages of 80-85 in both males and females. The top 10 most common cancer sites in rank were esophagus, stomach, lung, liver, colon-rectum, breast, pancreas, cervix uteri, brain and central nervous system, and leukemia, accounting for 87.56% of all cancers. The top 10 most leading causes of cancer death in order were cancers of esophagus, lung, liver, stomach, colon-rectum, pancreas, brain and central nervous system, leukemia, breast and lymphoma, accounting for 90.53% of all cancer deaths. Conclusion: Cancer is one kind of major diseases threatening people's health in Huai'an area, China. Cancer prevention and control should be enhanced, especially for esophageal cancer. | Guangjin Yuan Qianwen Li Yunxiang Du Shunlin Shan Zhimin Wang Enchun Pan Yuan He Ting Wang | 2012 | The Chinese-German Journal of Clinical Oncology2012,11,9: | 3 |
| 13 | Application study of a correction method for a spacecraft thermal model with a Monte-Carlo hybrid algorithm显示文摘The correction of a thermal model for a thermally controlled satellite in ground test conditions is studied using a Monte Carlo hybrid algorithm.First,the global and local parameters are summarized according to sensitivity analyses on uncertain parameters,and then the model correction is treated as a parameter optimization problem to be solved with a hybrid algorithm.Finally,the correction of the thermal model is completed using a layered correction method.The sensitivity analysis showed that the effective emissivities across the multi-layer insulation (MLI) and the emissivities of the thermal control coating are global parameters,while the contact heat transfer coefficients are local parameters.After correction,the deviations between the calculated and test values were all within ± 3 ℃.The final results prove that the method in this study is superior to traditional methods and satisfies the requirements for thermal model correction. | CHENG WenLong LIU Na LI Zhi ZHONG Qi WANG AiMing ZHANG ZhiMin HE ZongBo | 2011 | Chinese Science Bulletin2011,56,13: | 2 |
| 14 | A direct atomic layer deposition method for growth of ultra-thin lubricant tungsten disulfide films显示文摘We describe a direct atomic layer deposition method to grow lubricant tungsten disulfide(WS_2) films. The WS_2 films were deposited on a Si(100) substrate and a zinc sulfide(ZnS) film coated the Si(100) substrate using tungsten hexacarbonyl and hydrogen sulfide as precursors. The ZnS film served as an intermediate layer to facilitate the nucleation and growth of the WS_2 films. The thickness of the WS_2 films was measured via scanning electron microscope, the microstructure was probed with an X-ray diffractometer and a transmission electron microscope. The friction coefficient was measured with a ball-on-disk tester under dry nitrogen. The results reveal that the WS_2 films deposited on both substrates are ~175 nm and have(002) and(101) crystal orientations. The WS_2 film deposited on the ZnS coated Si substrate exhibits a stronger(002) orientation and a denser crystal structure than that deposited on the Si substrate. The WS_2 films on both substrates have low friction coefficients. However, due to the stronger(002) orientation and denser crystal structure, the friction coefficient of the WS_2 film deposited on ZnS coated Si substrate is smaller with longer wear life. | SUN YongFeng CHAI ZhiMin LU XinChun HE DanNong | 2017 | Science China(Technological Sciences)2017,60,1: | 2 |
| 15 | Difficult and complicated oral ulceration:an expert consensus guideline for diagnosis显示文摘The complexity of oral ulcerations poses considerable diagnostic and therapeutic challenges to oral specialists.The expert consensus was conducted to summarize the diagnostic work-up for difficult and complicated oral ulcers,based on factors such as detailed clinical medical history inquiry,histopathological examination,and ulceration-related systemic diseases screening.Not only it can provide a standardized procedure of oral ulceration,but also it can improve the diagnostic efficiency,in order to avoid misdiagnosis and missed diagnosis. | Xin Zeng Xin Jin Liang Zhong Gang Zhou Ming Zhong Wenmei Wang Yuan Fan Qing Liu Xiangmin Qi Xiaobing Guan Zhimin Yan Xuemin Shen Yingfang Wu Lijie Fan Zhi Wang Yuan He Hongxia Dan Jiantang Yang Hui Wang Dongjuan Liu Hui Feng Kai Jiao Qianming Chen | 2022 | International Journal of Oral Science2022,14,2: | 2 |
| 16 | A non-metabolic function of hexokinase 2 in small cell lung cancer:promotes cancer cell stemness by increasing USP11-mediated CD133 stability显示文摘Background:Maintenance of cancer stem-like cell(CSC)stemness supported by aberrantly regulated cancer cell metabolism is critical for CSC self-renewal and tumor progression.As a key glycolytic enzyme,hexokinase 2(HK2)plays an instrumental role in aerobic glycolysis and tumor progression.However,whether HK2 directly contribute to CSC stemness maintenance in small cell lung cancer(SCLC)is largely unclear.In this study,we aimed to investgate whether HK2 independent of its glycolytic activity is directly involved in stemness maintenance of CSC in SCLC.Methods:Immunoblotting analyses were conducted to determine the expression of HK2 in SCLC CSCs and their differentiated counterparts.CSC-like properties and tumorigenesis of SCLC cells with or without HK2 depletion or overexpression were examined by sphere formation assay and xenograft mouse model.Immunoprecipitation and mass spectrometry analyses were performed to identify the binding proteins of CD133.The expression levels of CD133-associated and CSC-relevant proteins were evaluated by immunoblotting,immunoprecipitation,immunofluorescence,and immunohistochemistry assay.RNA expression levels of Nanog,POU5F1,Lin28,HK2,Prominin-1 were analyzed through quantitative reverse transcription PCR.Polyubiquitination of CD133 was examined by in vitro or in vivo ubiquitination assay.CD133+cells were sorted by flow cytometry using an anti-CD133 antibody.Results:We demonstrated that HK2 expression was much higher in CSCs of SCLC than in their differentiated counterparts.HK2 depletion inhibited CSC stemness and promoted CSC differentiation.Mechanistically,nonmitochondrial HK2 directly interacted with CD133 and enhanced CD133 expression without affecting CD133 mRNA levels.The interaction of HK2 and CD133 promoted the binding of the deubiquitinase ubiquitin-specific protease 11(USP11)to CD133,thereby inhibiting CD133 polyubiquitylation and degradation.HK2-mediated upregulation of CD133 expression enhanced the expression of cell renewal regulators,SCLC cell stemness,and tumor growth in mice.In addition,HK2 expression was positively correlated with CD133 expression in human SCLC specimens,and their expression levels were associated with poor prognosis of SCLC patients.Conclusions:These results revealed a critical non-metabolic function of HK2 in promotion of cancer cell stemness.Our findings provided new insights into the multifaceted roles of HK2 in tumor development. | Juhong Wang Fei Shao Yannan Yang Wei Wang Xueying Yang Renda Li Hong Cheng Sijin Sun Xiaoli Feng Yibo Gao Jie He Zhimin Lu | 2022 | Cancer Communications2022,42,10: | 2 |
| 17 | Effects of Carbonation on Micro Structures of Hardened Cement Paste显示文摘In order to investigate the effects of carbonation on the microstructure of cement concrete,the carbonation depth and microstructure of cement paste with 0.3,0.4 and 0.5 water/cement ratio after 7,14,21 and 28 d accelerated carbonation were studied respectively.The results showed that with the increase of waterto-cement ratio and carbonation age,the carbonation depth was deepened with faster early carbonation speed and slower later carbonation rate.Carbonation densified the structure of hardened cement stone with refinement of pore structure and reduced porosity.Then,during the carbonation process from the surface to the inside of carbonation area,it was prone to form micro-cracks extending to the interior specimen,resulting in cement paste carbonation depth uneven.It is further illustrated that the color reaction method using phenolphthalein solution combined with X-CT and X-ray diffraction analysis is much more reasonable to evaluate the cement concrete carbonation degree.Moreover,during carbonation process sulfur element in cement paste migrated to the area un-carbonated and the concentrated shape of sulfur element is consistent with the coloring region in carbonation interface.Finally it was identified that carbonation not only reduced the p H value in cement concrete but also made prone to crack in carbonation zone,which increased the probability of reinforcement corrosion. | 柳俊哲 yao senyuan ba mingfang he zhimin 李玉顺 | 2016 | Journal of Wuhan University of Technology(Materials Science)2016,31,1: | 2 |
| 18 | Ultrathin FeS nanosheets with high chemodynamic activity for sensitive colorimetric detection of H_(2)O_(2) and glutathione显示文摘Iron chalcogenides have attracted great interest as potential substitutes of nature enzymes in the colorimetric biological sensing due to their unique chemodynamic characteristics.Herein,we report the preparation of ultrathin Fe S nanosheets(NSs)by a simple one-pot hydrothermal method and the prepared Fe S NSs exhibit strong Fenton-reaction activity to catalyze hydrogen peroxide(H_(2)O_(2))for generation of hydroxyl radical(^(·)OH).Based on the chromogenic reaction of resultant^(·)OH with 3,3,5,5-tetramethylbenzidine(TMB),we develop colorimetric biosensors for highly sensitive detection of H_(2)O_(2)and glutathione(GSH).The fabricated biosensors show wide linear ranges for the detection of H_(2)O_(2)(5–150μmol/L)and GSH(5–50μmol/L).Their detection limits for H_(2)O_(2)and GSH reach as low as0.19μmol/L and 0.14μmol/L,respectively.The experimental results of sensing intracellular H_(2)O_(2)and GSH demonstrate that this colorimetric method can realize the accurate detection of H_(2)O_(2)and GSH in normal cells(L02 and 3T3)and cancer cells(MCF-7 and He La).Our results have demonstrated that the synthesized Fe S NSs is a promising material to construct colorimetric biosensors for the sensitive detection of H_(2)O_(2)and GSH,holding great promising for medical diagnosis in cancer therapy. | Yefan Duan Qi Li Panpan He Yan Li Jingrun Song Jing Wang Junjie Liu Jiang Zhou Fei Chen Zhusheng Huang Jianfei Sun Ying Zhang Zhimin Luo | 2022 | Chinese Chemical Letters2022,33,6: | 2 |
| 19 | Highly selective synthesis for 4,4′-bisphenol F from phenol and formaldehyde catalyzed with [C_4mim][HSO_4] ionic liquid显示文摘The effects of N-methylimidazole cation [Cnmim] with different alkyl chain lengths, the types of cations and anions of ionic liquids and the reaction parameters on the catalytic activity and the selectivity for 4,4′-bisphenol F were investigated. The hydrogen bonding between the hydroxyl of phenol and the C2-position hydrogen of imidazole moiety in hydrophilic imidazole-based ionic liquid has important influence on the selectivity for 4,4′-bisphenol F, and under the conditions of the molar ratio of phenol/[C4mim][HSO4] 1:1, reaction temperature65 °C and the theoretical molar ratio of phenol/formaldehyde 2:1, the selectivity for 4,4′-bisphenol F reached69.1%. Compared with the high phenol/formaldehyde ratio reported in literatures, the low molar ratio of phenol/formaldehyde and the low reaction temperature can greatly reduce energy consumption, and has important significance for industrial application. | Danfeng Wang Zhicheng He Zhimin Wu Ying Tan Yongfei Li Yuejin Liu | 2016 | Chinese Journal of Chemical Engineering2016,24,9: | 2 |
| 20 | Effects of ovarian hormone loss on neuritic plaques and autophagic flux in the brains of adult female APP/PS1 double-transgenic mice显示文摘流行病的研究证明了女人们说明疾病(广告) 案例,在传播 gonadal 荷尔蒙的衰落为被认为是专业之一冒险的三分之二 Alzheimers 因素。另外,卵巢的荷尔蒙缺乏可以影响淀粉的(A) 免职,它与 autophagic 流动有一种靠近的关系。在这研究,我们在二个老鼠模型,上调查了短期或长期的卵巢的荷尔蒙剥夺的影响非转基因(野类型) 并且 APP/PS1 双 transgenic | Qiuhui Yao Min Feng Bo Yang Zhimin Long Shifang Luo Min Luo Guiqiong He Kejian Wang | 2018 | Acta Biochimica et Biophysica Sinica2018,50,5: | 2 |