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Luo, Ai-Ping,Luo, Zhi-Chao,Xu, Wen-Cheng,Cui, Hu The Optical Society 2010 Optics express Vol.18 No.6
<P>A wavelength switchable all-fiber comb filter with flat-top spectral response based on a double-loop Mach-Zehnder (M-Z) interferometer is proposed and demonstrated. The proposed flat-top filter consists of a rotatable polarizer and a double-loop M-Z interferometer composed of two fiber couplers with a polarization controller (PC) in the first loop. In the theoretical analysis, when the second coupler of the M-Z interferometer is a non-3dB one, with proper settings of the polarization state of the input light and the PC, the wavelength switchable comb filter with flat-top passband can be obtained. Theoretical prediction was verified by experimental demonstration. The measured 1 dB bandwidth was 0.51 nm with a channel spacing of 0.98 nm, indicating that the flat-top passband of 1 dB bandwidth extends to about 50% of the comb spacing.</P>
Luo, Yaojing,Ai, Jiaoyan,Wang, Xueru,Huang, Peng,Liu, Gaoxuan,Gong, Wenyang,Zheng, Jianwu The Society of Naval Architects of Korea 2020 International Journal of Naval Architecture and Oc Vol.12 No.1
A traditional propeller can easily become entangled with floating objects while operating. In this paper, we present a newly developed Electromagnetic-valve-control-based Water-jet Propulsion System (ECWPS) for an unmanned surface cleaning vessel that can be flexibly controlled via a Micro Control Unit (MCU). The double-structure was adapted to the unmanned surface cleaning vessel for floating-collection missions. Computational Fluid Dynamics (CFD) software for operating effect simulation was also used to reveal the working principle of the ECWPS under different conditions. Neglecting the assembly technique, the design level, controlling strategy, and maneuvering performance of the ECWPS reached unprecedented levels. The ECWPS mainly consists of an Electromagnetic-valve Array (EA), pipeline network, control system, and water-jet source. Both CFD analyses and experimental results show that the hydraulic characteristic of the ECWPS was predicted reasonably, which has enormous practical value and development prospects.
BMB Reports : Over-expression of OsHsfA7 enhanced salt and drought tolerance in transgenic rice
( Ai Ling Liu ),( Jie Zou ),( Cui Fang Liu ),( Xiao Yun Zhou ),( Xian Wen Zhang ),( Guang Yu Luo ),( Xin Bo Chen ) 생화학분자생물학회(구 한국생화학분자생물학회) 2013 BMB Reports Vol.46 No.1
Heat shock proteins play an important role in plant stress tolerance and are mainly regulated by heat shock transcription factors (Hsfs). In this study, we generated transgenic rice over-expressing OsHsfA7 and carried out morphological observation and stress tolerance assays. Transgenic plants exhibited less, shorter lateral roots and root hair. Under salt treatment, over-expressing OsHsfA7 rice showed alleviative appearance of damage symptoms and higher survival rate, leaf electrical conductivity and malondialdehyde content of transgenic plants were lower than those of wild type plants. Meanwhile, transgenic rice seedlings restored normal growth but wild type plants could not be rescued after drought and re-watering treatment. These findings indicate that over-expression of OsHsfA7 gene can increase tolerance to salt and drought stresses in rice seedlings. [BMB Reports 2013; 46(1): 31-36]
Luo, Jie,Wu, Feng-Ying,Li, Ai-Wu,Zheng, Di,Liu, Jin-Ming Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.9
Objective: To compare efficacy and safety profile of vinorelbine, ifosfamide and cisplatin (NIP) with etoposide and cisplatin (EP) in the treatment of advanced combined small cell lung cancer (c-SCLC). Methods: From January 2006 to December 2010, 176 patients with advanced c-SCLC were enrolled. The primary endpoint was overall survival (OS) and the secondary endpoints were progression free survival (PFS), response rate (RR) and toxicity. Results: Overall RR was 30.0% in the NIP and 38.5% in the EP group; there was no significant difference (P=0.236). The PFS in the EP group was little longer than that of NIP group, with 6.5 months for EP and 6.0 months for NIP group, but the difference was statistically non-significant (P=0.163). The median OS and one year survival rates were 10.4 months and 36.3% for NIP group, and 10.8 months and 49.0% for EP respectively, EP showing a survival benefit, although this was not statistically significant. Both groups well tolerated the adverse effects. The incidence of grade I-II leucopenia and alopecia in the NIP group was significantly higher than that of EP group (32.5% vs. 10.4% (P<0.001, 35.0% vs. 12.5%, P<0.001). Conclusion: the ORR, PFS and OS in NIP were slightly inferior to traditional regimen EP. The toxicity of NIP can be considered tolerable. The usage of three drugs combination in the treatment of mixed SCLC remains uncertain. Nevertheless, the results need to be further confirmed by large, prospective clinical trials.
Multilevel resistive switching and synaptic behaviors in MnO-based memristor
Ai Ruibo,Zhang Tao,Guo Huijie,Luo Wang,Liu Xiaojun 한국물리학회 2022 Current Applied Physics Vol.41 No.-
Exploring new synaptic electronic devices that combine computing and memory is a promising strategy that fundamentally approaches intelligent machines. In this study, the multilevel resistive switching and synaptic behaviors of a MnO-based device is studied. The device is composed of Al/MnO/Ni sandwich structure, has stable resistance switching characteristics, has continuous nonvolatile memory state, can be used as electrically programmable and erasable analog memory. The gradual conductance modulation is realized by changing the compliance current and the maximum scanning voltage. The Al/MnO/Ni devices successfully mimic the basic functions of synapses, including the paired-pulse facilitation, spike-rate-dependent plasticity, excitatory postsynaptic current, short-term plasticity, long-term plasticity, and sike-timing-dependent plasticity.
Ai Cui,Yucen Li,Xia Zhou,Lin Wang,Enjie Luo 대한기생충학ㆍ열대의학회 2019 The Korean Journal of Parasitology Vol.57 No.2
The pathogenesis of cerebral malaria is biologically complex and involves multi-factorial mechanisms such as mi- crovascular congestion, immunopathology by the pro-inflammatory cytokine and endothelial dysfunction. Recent data have suggested that a pleiotropic T-cell immunomodulatory protein (TIP) could effectively mediate inflammatory cytokines of mammalian immune response against acute graft-versus-host disease in animal models. In this study, we identified a con- served homologue of TIP in Plasmodium berghei (PbTIP) as a membrane protein in Plasmodium asexual stage. Compared with PBS control group, the pathology of experimental cerebral malaria (ECM) in rPbTIP intravenous injection (i.v.) group was alleviated by the downregulation of pro-inflammatory responses, and rPbTIP i.v. group elicited an expansion of regulatory T- cell response. Therefore, rPbTIP i.v. group displayed less severe brain pathology and feverish mice in rPbTIP i.v. group died from ECM. This study suggested that PbTIP may be a novel promising target to alleviate the severity of ECM.
Subsidy Program Evaluation based on Rough Set
Ai-Min Yang,Wen-Rui Wu,Di Zhang,Xing-Jun Luo,Yang Han 보안공학연구지원센터 2016 International Journal of Hybrid Information Techno Vol.9 No.11
Taxi subsidy program established is reasonable or not is one important step to research the "taxi difficult" issue in today's society. In this paper, we analyze the correlation of the three indicators and 15 factors, get the correlation between the index and its influencing factors, then reuse roughset preliminary screening for data factors, combined factor analysis to obtain the final subsidy program evaluation model. Substituted into the value of the three indicators before and after subsidies respectively, obtained the evaluation value before andafter the subsidy. Q1, Q2, andQ1Q2, the subsidy program for "ease taxi difficult" has some help.
Peng Luo,Wen-Fei Ni,Yao-Sen Wu,Ai-Min Wu,Xiang-Yang Wang,Hua-Zi Xu,Yong-Long Chi 대한척추외과학회 2015 Asian Spine Journal Vol.9 No.2
We reported a technical report of traumatic lower cervical spondylolisthesisca used by bilateral pedicle fracture, without neurological compression. The patient was treated with the minimally invasive technique of percutaneous pedicle screw fixation. Fracture healing and normal cervical motion were confirmed by plain films and physical examinations onthe18-monthpostoperatively. The technique of percutaneous pedicle screw fixation might be an alternative strategy for the treatment of traumatic lower cervical spondylolisthesis with pedicle fracture.
The Effect of Magnetic Field Direction on the Imaging Quality of Scanning Electron Microscope
Libo Ai,Shengxiang Bao,Yongda Hu,Xueke Wang,Chuan Luo 한국자기학회 2017 Journal of Magnetics Vol.22 No.1
The significant reduction of the image quality caused by the magnetic field of samples is a major problem affecting the application of SEM (scanning electron microscopy) in the analysis of electronic devices. The main reason for this is that the electron trajectory is deflected by the Lorentz force. The usual solution to this problem is degaussing the sample at high temperatures. However, due to the poor heat resistance of some electronic components, it is imperative to find a method that can reduce the impact of magnetic field on the image quality and is straightforward and easy to operate without destroying the sample. In this paper, the influence of different magnetic field directions on the imaging quality was discussed by combining the experiment and software simulation. The principle of the method was studied, and the best observation direction was obtained.