Executive Compensation, Ownership Structureand Firm Performance in Chinese Financial Corporations

Yongli Luo,Dave O.Jackson 사람과세계경영학회 2012 Global Business and Finance Review Vol.17 No.1

Executive compensation in the U.S. banking industry has been criticized as a root cause of the recent financial crisis. This study examines the relationship between executive compensation, ownership structure, and firm performance for Chinese financial corporations during 2001- 2009. The results reveal that executive compensation in Chinese banks follows a relation-based rather than a market-based contract. There is little evidence in support of the pay-for- performance setting for Chinese executive compensation. Ownership concentration has significantly negative impacts while firm size has significantly positive impacts on CEO compensation. Further, the involvement of state ownership tends to limit executive compensation, while the compensation committee is friendly and enhances management compensation. The results suggest that the government or regulation may ensure efficient corporate governance in business activity as a helping hand when corporate governance is weak.

Autophagy Inhibition Promotes Gambogic Acid-induced Suppression of Growth and Apoptosis in Glioblastoma Cells

Luo, Guo-Xuan,Cai, Jun,Lin, Jing-Zhi,Luo, Wei-Shi,Luo, Heng-Shan,Jiang, Yu-Yang,Zhang, Yong Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.12

Objective: To investigate the effects of gambogic acid (GA) on the growth of human malignant glioma cells. Methods: U251MG and U87MG human glioma cell lines were treated with GA and growth and proliferation were investigated by MTT and colony formation assays. Cell apoptosis was analyzed by annexin V FITC/PI flow cytometry, mitochondrial membrane potential assays and DAPI nuclear staining. Monodansylcadaverine (MDC) staining and GFP-LC3 localisation were used to detect autophagy. Western blotting was used to investigate the molecular changes that occurred in the course of GA treatment. Results: GA treatment significantly suppressed cell proliferation and colony formation, induced apoptosis in U251 and U87MG glioblastoma cells in a time- and dose-dependent manner. GA treatment also lead to the accumulation of monodansylcadaverine (MDC) in autophagic vacuoles, upregulated expressions of Atg5, Beclin 1 and LC3-II, and the increase of punctate fluorescent signals in glioblastoma cells pre-transfected with GFP-tagged LC3 plasmid. After the combination treatment of autophagy inhitors and GA, GA mediated growth inhibition and apoptotic cell death was further potentiated. Conclusion: Our results suggested that autophagic responses play roles as a self-protective mechanism in GA-treated glioblastoma cells, and autophagy inhibition could be a novel adjunctive strategy for enhancing chemotherapeutic effect of GA as an anti-malignant glioma agent.

Performance of Cross‑Linked Polyethylene Insulated Cable Based on Detection of High Voltage Electric Field

Yong Luo,Jiawei Luo,Bin Li 한국전기전자재료학회 2019 Transactions on Electrical and Electronic Material Vol.20 No.1

High voltage direct current transmission has been widely used in long-distance power transmission because of its advantages such as low loss and large throughput. The safety of cable is very important in the long-distance transmission process. Cross-linked polyethylene insulated cable has the advantages of simple manufacture, good heat resistance and easy installation; therefore it has been widely used in long-distance power transmission. In this study, conductance, dielectric and voltage withstanding performance of the insulating layers of cross-linked polyethylene cables with working voltage of 220 kV which was never used and has been used for 2, 4, 6 and 8 years were tested by various evaluation methods. The conductivity of the insulating layers was affected by temperature only under high and low electric field intensities and wasaffected by temperature and electric field strength under middle electric field intensity. Dielectric loss factor could reflect dielectric properties of materials; the larger the dielectric loss factor, the poorer the performance. The dielectric loss factor decreased with the increase of applied electric field frequency and increased with the increase of service years. Breakdown electric field strength could reflect voltage resistance of materials; the larger the breakdown electric field strength, the better the performance. The breakdown electric field strength was inversely proportional to the service years of the insulating layer, and the decrease amplitude increased significantly when the service time exceeded 2 years. In summary, cross-linked polyethylene insulated material satisfies the safety requirement of high voltage direct current transmission and can be usedfor manufacturing long-distance transmission cables.

Biotechnology : Microbial Desulfurization of Dibenzothiophene and 4,6-Dimethyldibenzothiophene in Dodecane and Straight-Run Diesel Oil

( Luo Ming Fang ),( Xing Jian Min ),( Gou Zhong Xuan ),( Liu Hui Zhou ),( Chen Jia Yong ) 한국화학공학회 2003 Korean Journal of Chemical Engineering Vol.20 No.4

The desulfurization of dibenzothiophene (DBT), 4,6-dimethyldibenzothiophene (4,6-DMDBT) and their mixture by lyophilized cells of Pseudomonas delafieldii R-8 was studied in the presence of dodecane. The desulfurization rate for 4,6-DMDBT was found to be about 40% in comparison with that for DBT. The desulfurization process for DBT and 4,6-DMDBT proceeded simultaneously without preference for either one. The desulfurization rate for each compound was decreased when they were mixed together. The extent of desulfurization of 4,6-DMDBT was increased with the increase of cell concentration and the decrease of the volume ratio of oil-to-water used. The specific desulfurization rate for 4,6-DMDBT could be reached to 10.4 mmol sulfur kg^(-1) (cell) h^(-1) [approximately 0.33 mg sulfur g^(-1) (cell) h^(-1)]. Pseudomonas delafieldii R-8 showed high desulfurization capability for straight-run diesel oil (containing 1,807 mg/L of sulfur). About 1,000 mg/L of sulfur in diesel oil was removed by resting cells of this strai in 24 h of reaction. The specific desulfurization rate was 8.75 mmol sulfur kg^(-1) (cell) h^(-1).

Research Progress in Applying Proteomics Technology to Explore Early Diagnosis Biomarkers of Breast Cancer, Lung Cancer and Ovarian Cancer

Luo, Lu,Dong, Li-You,Yan, Qi-Gui,Cao, San-Jie,Wen, Xin-Tian,Huang, Yong,Huang, Xiao-Bo,Wu, Rui,Ma, Xiao-Ping Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.20

According to the China tumor registry 2013 annual report, breast cancer, lung cancer, and ovarian cancer are three common cancers in China nowadays, with high mortality due to the absence of early diagnosis technology. However, proteomics has been widespreadly implanted into every field of life science and medicine as an important part of post-genomics era research. The development of theory and technology in proteomics has provided new ideas and research fields for cancer research. Proteomics can be used not only for elucidating the mechanisms of carcinogenesis focussing on whole proteins of the tissue or cell, but also seeking the biomarkers for diagnosis and therapy of cancer. In this review, we introduce proteomics principles, covering current technology used in exploring early diagnosis biomarkers of breast cancer, lung cancer and ovarian cancer.

Self-Organized Synthesis and Mechanism of SnO₂@Carbon Tube-Core Nanowire

Luo, Minting,Ma, Yong-Jun,Pei, Chonghua,Xing, Yujing,Wen, Lixia,Zhang, Li Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.8

$SnO_2@carbon$ tube-core nanowire was synthesized via a facile self-organized method, which was in situ by one step via Chemical Vapor Deposition. The resulting composite was characterized by scanning electron microscopy, X-ray diffraction and transmission electron microscope. The diameter of the single nanowire is between 5 nm and 60 nm, while the length would be several tens to hundreds of micrometers. Then X-ray diffraction pattern shows that the composition is amorphous carbon and tin dioxide. Transmission electron microscope images indicate that the nanowire consists of two parts, the outer carbon tube and the inner tin dioxide core. Meanwhile, the possible growth mechanism of $SnO_2@carbon$ tube-core nanowire is also discussed.

이동통신망에서 위치등록 방법의 성능 비교

Luo Yong,Baek Woon-Young 한국정보기술응용학회 2007 한국정보기술응용학회학술대회 Vol.2007 No.1

Deregulated Expression of Cry1 and Cry2 in Human Gliomas

Luo, Yong,Wang, Fan,Chen, Lv-An,Chen, Xiao-Wei,Chen, Zhi-Jun,Liu, Ping-Fei,Li, Fen-Fen,Li, Cai-Yan,Liang, Wu Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.11

Growing evidence shows that deregulation of the circadian clock plays an important role in the development of malignant tumors, including gliomas. However, the molecular mechanisms of gene chnages controlling circadian rhythm in glioma cells have not been explored. Using real time polymerase chain reaction and immunohistochemistry techniques, we examined the expression of two important clock genes, cry1 and cry2, in 69 gliomas. In this study, out of 69 gliomas, 38 were cry1-positive, and 51 were cry2-positive. The expression levels of cry1 and cry2 in glioma cells were significantly different from the surrounding non-glioma cells (P<0.01). The difference in the expression rate of cry1 and cry 2 in high-grade (grade III and IV) and low-grade (grade 1 and II) gliomas was non-significant (P>0.05) but there was a difference in the intensity of immunoactivity for cry 2 between high-grade gliomas and low-grade gliomas (r=-0.384, P=0.021). In this study, we found that the expression of cry1 and cry2 in glioma cells was much lower than in the surrounding non-glioma cells. Therefore, we suggest that disturbances in cry1 and cry2 expression may result in the disruption of the control of normal circadian rhythm, thus benefiting the survival of glioma cells. Differential expression of circadian clock genes in glioma and non-glioma cells may provide a molecular basis for the chemotherapy of gliomas.

Finite Difference Based Iterative Learning Control with Initial State Learning for Fractional Order Linear Systems

Yong-Hong Lan,Bin Wu,Yi-Ping Luo 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.2

This paper presents a PI-type iterative learning control (ILC) law with initial state learning for a class of α (0 < α ≤ 1) fractional order linear systems. First, by using backward difference method, the finite difference approximation of the fractional order derivative is obtained, which leads to globally 2−α order accuracy. Then, a PIILC law is constructed at the nodes and the convergence analysis of the iterative scheme is proved. A new sufficient condition is derived to guarantee that the tracking error is asymptotical convergent. The obtained convergence condition is fractional order dependent and is less conservative than the existing one. Most of the classical ILC conditions for fractional order linear systems fall into the special case of this paper. Finally, the simulation results show the effectiveness of the proposed control method.

A Single Chord Localization Algorithm for Wireless Sensor Networks

Yong-Luo Shen,Yuan Zhang,Yu-Ping Hu,Jun Zhang 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.1

This paper presents a novel range-free single chord localization algorithm with low energy consumption and high accuracy for wireless sensor networks. A mobile anchor node and a mobile reference node are employed to periodically broadcast beacon messages and reference messages, respectively. Each sensor node is equipped with a received signal strength indicator for comparing the signal strength. By using the edge function and the result of comparing signal strength, each sensor node only needs one chord on the communication circle for localization. Compared with previous approaches that require multiple chords, less beacon messages are required by the sensor nodes. In the proposed algorithm, the localization error mainly depends on the move distance interval. However, for the other approaches, large localization errors can be observed according to the angle between chords which may descend the localization accuracy dramatically. Analysis results indicate that the proposed algorithm is superior to other approaches in energy consumption and localization accuracy.