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    题名 作者 年代 出处 被引量
1Adjuvant probiotics improve the eradication effect of triple therapy for Helicobacter pylori infection显示文摘AIM:To investigate whether the addition of probiotics can improve the eradication effect of triple therapy for Helicobacter pylori (H. pylori ) infection. METHODS:This open randomized trial recruited 234 H. pylori positive gastritis patients from seven local centers. The patients were randomized to one-week standard triple therapy (omeprazole 20 mg bid , clarithromycin 500 mg bid , and amoxicillin 1000 mg bid ; OCA group, n = 79); two weeks of pre-treatment with probiotics, containing 3 × 107 Lactobacillus acidophilus per day, prior to one week of triple therapy (POCA group, n = 78); or one week of triple therapy followed by two weeks of the same probiotics (OCAP group, n = 77). Successful eradication was defined as a negative C13 or C14 urease breath test four weeks after triple therapy. Patients were asked to report associated symptoms at baseline and during follow-up, and side effects related to therapy were recorded. Data were analyzed by both intention-to-treat (ITT) and per-protocol (PP) methods. RESULTS:PP analysis involved 228 patients, 78 in the OCA, 76 in the POCA and 74 in the OCAP group. Successful eradication was observed in 171 patients; by PP analysis, the eradication rates were significantly higher (P = 0.007 each) in the POCA (62/76; 81.6%, 95% CI 72.8%-90.4%) and OCAP (61/74; 82.4%, 95% CI 73.6%-91.2%) groups than in the OCA group (48/78; 61.5%, 95% CI 50.6%-72.4%). ITT analysis also showed that eradication rates were significantly higher in the POCA (62/78; 79.5%, 95% CI 70.4%-88.6%) and OCAP (61/77; 79.2%, 95% CI 70%-88.4%) groups than in the OCA group (48/79; 60.8%, 95% CI 49.9%-71.7%), (P = 0.014 and P = 0.015). The symptom relieving rates in the POCA, OCAP and OCA groups were 85.5%, 89.2% and 87.2%, respectively. Only one of the 228 patients experienced an adverse reaction. CONCLUSION:Administration of probiotics before or after standard triple therapy may improve H. pylori eradication rates.Yi-Qi Du Tun Su Jian-Gao Fan Yu-Xia Lu Ping Zheng Xing-Hua Li Chuan-Yong Guo Ping Xu Yan-Fang Gong Zhao-Shen Li 2012World Journal of Gastroenterology2012,18,43:54
2Gastro-protecting effect of gefarnate on chronic erosive gastritis with dyspeptic symptoms显示文摘Du Yi-qi SU Tun HAO Jian-yu WANG Bang-mao CHEN Min-hu LI You-ruing TANG Cheng-wei GONG Yan-fang MAN Xiao-hua GAO Li CAI Quan-cai LI Zhao-shen 2012Chinese Medical Journal2012,,16:20
3Efficacy and Safety of Cinitapride in the Treatment of Mild to Moderate Postprandial Distress Syndrome–predominant Functional Dyspepsia显示文摘Yiqi Du Tun Su Xinmiao Song Jun Gao Duowu Zou Changjing Zuo Weifen Xie Bangmao Wang Zhiguang Zhang Jianming Xu Dean Tian Hesheng Luo Zhenyu Zhang Shaofeng Wang Jianping Chen Jizhong Guo Lei Gong Yanbing Ding Zhaoshen Li 2014Journal of Clinical Gastroenterology2014,,4:1
4Multi-cycle reconfigurable THz extraordinary optical transmission using chalcogenide metamaterials显示文摘Metamaterials composed of metallic antennae arrays are used as they possess extraordinary optical transmission(EOT)in the terahertz(THz)region,whereby a giant forward light propagation can be created using constructive interference of tunneling surface plasmonic waves.However,numerous applications of THz meta-devices demand an active manipula-tion of the THz beam in free space.Although some studies have been carried out to control the EOT for the THz region,few of these are based upon electrical modulation of the EOT phenomenon,and novel strategies are required for act-ively and dynamically reconfigurable EOT meta-devices.In this work,we experimentally present that the EOT resonance can be coupled to optically reconfigurable chalcogenide metamaterials which offers a reversible all-optical control of the THz light.A modulation efficiency of 88%in transmission at 0.85 THz is experimentally observed using the EOT metama-terials,which is composed of a gold(Au)circular aperture array sitting on a non-volatile chalcogenide phase change ma-terial(Ge2Sb2Te5)film.This comes up with a robust and ultrafast reconfigurable EOT over 20 times of switching,excited by a nanosecond pulsed laser.The measured data have a good agreement with finite-element-method numerical simula-tion.This work promises THz modulators with significant on/off ratios and fast speeds.Tun Cao Meng Lian Xieyu Chen Libang Mao Kuan Liu Jingyuan Jia Ying Su Haonan Ren Shoujun Zhang Yihan Xu Jiajia Chen Zhen Tian Dongming Guo 2022Opto-Electronic Science2022,1,1:1
5Study on Remote Monitoring and Control System for Construction Vehicle显示文摘Song Sheng Li Huang Shui Jun Su Fan Tun Zhang Qi He Ren 2011Advanced Materials Research2011,,142:1
6Acoustic transmissive cloaking with adjustable capacity to the incident direction显示文摘Zero-refractive-index(ZRI)phononic crystals(PhCs),in which acoustic waves can be transmitted without phase variations,have considerable potential for engineering wavefronts and thus are applicable to invisibility cloaking.However,the creation of the transmissive cloaking achieved by ZRI-PhCs is challenging under an oblique incidence,which substantially hinders their practical applications.Here,we experimentally demonstrate acoustic transmissive cloaking with the adjustable capacity to the incident direction.Acoustic transmissive cloaking of arbitrarily shaped obstacles can be obtained through a hybrid acoustic structure consisting of one outer layer of a programmable phaseengineered metasurface(PPEM)and one inner layer of a double zero-refractive-index(DZRI)-PhC.The DZRI-PhC is functionally the same as an equiphase area and can guide acoustic waves around the obstacle,a process known as acoustic tunneling.The PPEM perpendicularly transfers the incident acoustic waves to the DZRI-PhC and allows the emergent waves from the DZRI-PhC to transmit along the original incident direction.The DZRI-PhC is made of an array of iron squares in the air.The reciprocal of the effective bulk modulus and the effective mass density is approximately zero at a frequency of 3015 Hz(0.5187 v0/a)originating from the zeroth-order Fabry–Pérot(FP)resonance that possesses infinite phase velocities.Each meta-atom of the outer metasurface consists of a line channel and four shunted Helmholtz resonators,which have effective masses that are engineered by a mechanics system.The amplitude and phase of the sound waves propagating through each meta-atom can be controlled continuously and dynamically,enabling the metasurface to obtain versatile wavefront manipulation functions.Acoustic cloaking is visually demonstrated by experimentally scanning the acoustic field over the hybrid structure at a frequency of 3000 Hz(0.5160 v0/a).Our work may provide applications with great potential,including underwater ultrasound,airborne sound,acoustic communication,imaging,etc.Meng Lian Linqiu Duan Junjie Chen Jingyuan Jia Ying Su Tun Cao 2022Microsystems & Nanoengineering2022,8,5:0
7Research on Self-balancing Two Wheels Mobile Robot Control System Analysis显示文摘The paper presents the research on self-balancing two-wheels mobile robot control system analysis with experimental studies.The research problem in this work is to stabilize the mobile robot with self-control and to carry the sensitive things without failing in a long span period.The main objective of this study is to focus on the mathematical modelling of mobile robot from laboratory scale to real world applications.The numerical expression with mathematical modelling is very important to control the mobile robot system with linearization.The fundamental concepts of dynamic system stability were utilized for maintaining the stability of the constructed mobile robot system.The controller design is also important for checking the stability and the appropriate controller design is proportional,integral,and derivative-PID controller and Linear Quadratic Regulator(LQR).The steady state error could be reduced by using such kind of PID controller.The simulation of numerical expression on mathematical modeling was conducted in MATLAB environments.The confirmation results from the simulation techniques were applied to construct the hardware design of mobile robot system for practical study.The results from simulation approaches and experimental approaches are matched in various kinds of analyses.The constructed mobile robot system was designed and analyzed in the control system design laboratory of Yangon Technological University(YTU).Hla Myo Tun Myat Su Nwe Zaw Min Naing Maung Maung Latt Devasis Pradhan Prasanna Kumar Sahu 2022Electrical Science & Engineering2022,4,1:0
8Tunable parity-time symmetry vortex laser from a phase change material-based microcavity显示文摘Traditional light sources cannot emit an electromagnetic(EM)field with an orbital angular momentum(OAM),limiting their applications in modern optics.The recent development of the OAM laser,mainly based on micro-and nanostructures,can satisfy the increasing requirements for on-chip photonics and information capacities.Nevertheless,the photonic structures have fixed parameters that prevent these OAM lasers from being dynamically tuned.Here,we propose tunable vortex lasing from a microring cavity integrated by a phase change material,Ge_(2)Sb_(2)Te_(5)(GST225).By modulating the complex refractive index to create an exceptional point(EP)to break the degeneracy of whispering gallery modes with opposite orientations,the microlaser working at the EP can impart an artificial angular momentum,thus emitting vortex beams with well-defined OAM.The grating scatter on the edge of the microring can provide efficient vertical radiation.The vortex laser wavelength from the GST225/InGaAsP dual-layered microring cavity can be dynamically tuned by switching the state of GST225 between amorphous and crystalline without changing the microring geometry.We construct an electric-thermal model to show the tuning range of operating wavelengths(EPs)from 1544.5 to 1565.9 nm in~25 ns.Our study on high-speed tunable PT-symmetry vortex lasers facilitates the next generation of integrated optoelectronic devices for optical computing and communications in both classical and quantum regions.Ying Su Hongji Fan Shitong Zhang Tun Cao 2023Microsystems & Nanoengineering2023,9,6:0
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