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- 저자 : Qing Zhu Li (검색결과 104 건)
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Li,Qing-Zhu,Lee,Jong-Ho 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The concept of sharing economy(shared economy) is being interested in Korea especially. Many related companies are interested in its concept, situation, successful cases and methods suitable for real world. At that point, it is necessary to look for or investigate them in detail. Similarly, in Korea, too. Therefore, the purposes of this study are as follows. First, to review and define the concept of sharing economy from both previous literature studies and successful companies including their leaders. Second, to analyze market status in detail and find out what is the problem to make better or what is good point fit for situation. Third, to make research and provide their strategic implications for related companies
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The Influential Relations on Sharing Economy and Consumer Traits
Qing-Zhu LI,Jong-Ho Lee 한국유통과학회 2017 The Journal of Industrial Distribution & Business( Vol.8 No.6
Purpose - The purpose of this study is to grasp the concept, characteristics and application status of sharing economy, and to derive a research model based on sharing economic service, and to analyze factors and influences of consumers' intention to reuse of sharing economy. Research design, data, and methodology - The questionnaires were created to examine variables for practical and theoretical implications. After pilot survey, conducted for 24 days from March 10th to April 2st in 2017, total numbers were 377. But 330 copies were used for the analysis with IBM SPSS Statistics 23.0 and IBM SPSS AMOS 23.0. The structural equation model was applied for this. Results - First, sharing economic services remain at an early stage, but it is meaningful to identify the revenue mechanism of the business model of the sharing economic platform. Second, in this study, it is meaningful that we systematized the theoretical structure by examining existing studies on the characteristics of the sharing economic service and consumer characteristics, and by examining empirically. Third, Satisfaction and Reliability are related to the characteristics of Sharing Economic Service (Security, Convenience, Discount, Sharing, Social Interaction), Consumer Characteristics (Personal Innovation, Word-of-Mouth) It is meaningful to broaden the understanding of the factors by verifying the mediating effect. Fourth, the sharing economy business is meaningful in that it is a new consumption trend that changes the meaning of consumption to consumers. Gradually, more and more people are recalling that purchasing something is not consumption, but sharing and borrowing is also consumption. In other words, through the sharing economy, consumers can experience more products and services, have more choices, and are expected to have a positive impact on economic growth by increasing the utilization of idle resources. Conclusions - Currently, the sharing economy is growing rapidly all over the world. Therefore, in the subsequent study, it is necessary to compare Korea and China's sharing economy and study the cultural and social characteristics of Korea and China. In particular, I think that steady research is necessary for more precise and specific direction on the influence of the shared economy.
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Qing-Mei Quan,Qing-Xia Wang,Xue-Li Zhou,Shan Li,Xiao-Ling Yang,Yun-Guo Zhu,Zhou Cheng 한국미생물학회 2014 The journal of microbiology Vol.52 No.2
Ophiocordyceps sinensis (Ascomycota: Ophiocordycipitaceae)is a native fungal parasite of Hepialidae caterpillars and oneof the most economically important medicinal caterpillarfungi in China. However, little is known about the phylogeneticand evolutionary relationships between O. sinensis andits host insects. In this study, nuclear ITS and β-tubulin sequencesfrom O. sinensis and mitochondrial COI, COII, andCytb sequences from its hosts were analyzed across 33 populationssampled from five regions in China. Phylogenetically,both O. sinensis and its hosts were divided into three geographicallycorrelated clades, and their phylogenies were congruent. Analysis of molecular variance and calculated coefficientsof genetic differentiation revealed significant geneticdivergence among the clades within both O. sinensis (FST=0.878, NST=0.842) and its hosts (FST=0.861, NST=0.816). Estimatedgene flow was very low for O. sinensis (Nm=0.04) andthe host insects (Nm=0.04) among these three clades. Manteltests demonstrated a significant correlation (P<0.01) betweenthe genetic distances for O. sinensis and its hosts, as well as asignificant association (P<0.05) between geographic and geneticdistances in both. The similar phylogenetic relationships,geographic distributions, and genetic structure and differentiationbetween O. sinensis and its hosts imply that they have coevolved.
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Li, Xin,Wang, Yang,Li, Xing-Wang,Liu, Bao-Cheng,Zhao, Qing-Zhu,Li, Wei-Dong,Chen, Shi-Qing,Huang, Xiao-Ye,Yang, Feng-Ping,Wang, Quan,Wang, Jin-Fen,Xiao, Yan-Zeng,Xu, Yi-Feng,Feng, Guo-Yin,Peng, Zhi-Ha Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Colorectal cancer (CRC), now the third most common cancer across the world, is known to aggregate in families. USP7 is a very important protein with an important role in regulating the p53 pathway, which is critical for genomic stability and tumor suppression. We here genotyped eight SNPs within the USP7 gene and conducted a case-control study in 312 CRC patients and 270 healthy subjects in the Chinese Han population. No significant associations were found for any single SNP and CRC risk. Our data eliminate USP7 as a potential candidate gene towards for CRC in the Han Chinese population.
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Zhu, Wen-Jiang,Huang, Chu-Ying,Li, Chuan,Peng, Wei,Wen, Tian-Fu,Yan, Lv-Nan,Li, Bo,Wang, Wen-Tao,Xu, Ming-Qing,Yang, Jia-Yin,Jiang, Li Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.12
Background: The prognosis of patients with hepatocellular carcinoma (HCC) after curative resection varies greatly. Few studies had investigated the risk factors for early recurrence (recurrence-free time ${\leq}$ 1 year) of hepatitis B virus (HBV)-related HCCs meeting Milan criteria. Methods: A retrospective analysis was performed on the 224 patients with HCC meeting Milan criteria who underwent curative liver resection in our center between February 2007 and March 2012. The overall survival (OS) rate, recurrence-free survival (RFS) rate and risk factors for early recurrence were analyzed. Results: After a median follow-up of 33.3 months, HCC reoccurred in 105 of 224 patients and 32 died during the period. The 1-, 3- and 5-year OS rates were 97.3%, 81.6% and 75.6% respectively, and the 1-, 3- and 5-year RFS rates were 73.2%, 53.7% and 41.6%. Cox regression showed alpha-fetoprotein (AFP) > 800 ng/ml (HR 2.538, 95% CI 1.464-4.401, P=0.001), multiple tumors (HR 2.286, 95% CI 1.123-4.246, P=0.009) and microvascular invasion (HR 2.518, 95% CI 1.475-4.298, P=0.001) to be associated with early recurrence (recurrence-free time ${\leq}$ 1-year) of HCC meeting Milan criteria. Conclusions: AFP > 800 ng/ml, multiple tumors and microvascular invasion are independent risk factors affecting early postoperative recurrence of HCC. In addition resection appears capable of replacing liver transplantation in some situations with safety and a better outcome.
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Lessons from the Successful Case Studies on Sharing Economy
Qing Zhu Li,Jong Ho Lee 한국유통과학회 2016 KODISA ICBE (International Conference on Business Vol.2016 No.-
The concept of sharing economy(shared economy) is being interested in Korea especially. Of course all over the world, many related persons are interested in its concept, situation, successful cases and methods for its adjustment to real world. But they are depending on the situation according to each country's condition. So, at that point, it is necessary to look for or investigate them in detail. Similarly, in Korea, too. Therefore, the purposes of this study are as follows. First, to review and define the concept of sharing economy from both previously literature study and leaders. Second, to look for and classify its characteristics and types suitable for our status. After looking for them, to derive common points from them. Third, to analyze market status in detail and find out what is the problem to make better or what is good point fit for situation. Fourth, to investigate its successful contents from real cases in market. After making analyses about them, to arrange helpful lessons from them.
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Zhu, Hai-Li,Bao, Ji-Ming,Lin, Pei-Xin,Li, Wen-Xia,Zou, Zhen-Ning,Huang, Ye-En,Chen, Qing,Shen, Hong Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.16
Background: Numerous studies have explored the influence of XPD Lys751Gln and/or Asp312Asn polymorphisms on skin cancer susceptibility. However, the results remain inconclusive. To derive a more precise estimation, we conducted a comprehensive search to identify all available published studies and performed a meta-analysis. Materials and Methods: Electronic literature searches of the PubMed, CBM and CNKI databases were performed up to March 2014. Odds ratios (ORs) with 95% confidence intervals (CIs) were applied to assess the strength of associations. Results: Seventeen case-control studies were included with a total sample size of 6, 113 cases and 11, 074 controls for the XPD Lys751Gln polymorphism, and 10 studies (3, 840cases and 7, 637 controls) for the XPD Asp312Asn polymorphism were pooled for analysis. Overall, no significant associations were found between the XPD Lys751Gln polymorphism and skin cancer risk in any genetic model. On stratified analysis by tumor type, XPD Lys751Gln polymorphism was not associated with increased risk of non-melanoma skin cancer, but was significantly related with increased risk of cutaneous melanoma (Gln/Gln vs Lys/Lys: OR=1.15, 95%CI=1.02-1.29, p=0.023; dominant model: OR=1.09, 95%CI=1.01-1.18, p=0.036). For the XPD Asp312Asn polymorphism, no significant association with skin cancer risk was observed in overall or subgroup analyses. Conclusions: The present meta-analysis suggests that the XPD Lys751Gln polymorphism may contribute to the risk of cutaneous melanoma from currently available evidence. Further investigations are needed to obtain more insight into possible roles of these two polymorphisms in skin carcinogenesis.
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The Factors on Relation between Sharing Economy Characteristics and Consumer Traits
Qing Zhu LI,Jong Ho Lee 한국유통과학회 2017 한국유통과학회 학술대회 논문집 Vol.2017 No.-
The purpose of this study is to grasp the concept, characteristics and application status of sharing economy based on the existing research and to summarize the study on the characteristics of the sharing economic service and consumer characteristics. Second, this study attempts to derive a research model based on research on sharing economic service, consumer characteristics, satisfaction, reliability and reuse intention. Third, it analyzes the factors and influences of consumers intention to reuse of sharing economy. Fourth, Based on the results of this study, we suggest strategy of service activation for the sharing economy enterprises. The questionnarie was created to examine every relevant variables to practical and theoretical implications were discussed. Through the process, IBM SPSS Statistics 23.0 and IBM SPSS AMOS 23.0. were used. It is meaningful to identify the revenue mechanism of the business model of the sharing economic platform. In this study, we systematized the theoretical structure by examining existing studies on the characteristics of the sharing economic service and consumer characteristics, and by examining empirically. After then, satisfaction and reliability are related to the characteristics of Sharing Economic Service(Security, Conveniency, Discount, Sharing, Social Interaction), and Consumer Characteristics(Personal Innovation, Word-of-Mouth). The sharing economy business is significant in that it is a new consumption trend that changes the meaning of consumption to consumers.
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Yaqiong Zhu,Nan Peng,Jing Wang,Zhuang Jin,Lianhua Zhu,Yu Wang,Siming Chen,Yongqiang Hu,Tieyuan Zhang,Qing Song,Fang Xie,Lin Yan,Yingying Li,Jing Xiao,Xinyang Li,Bo Jiang,Jiang Peng,Yuexiang Wang,Yukun 한국생체재료학회 2022 생체재료학회지 Vol.26 No.3
Background: Developing biocompatible nerve conduits that accelerate peripheral nerve regeneration, lengthening and functional recovery remains a challenge. The combined application of nerve microtissues and platelet-rich plasma (PRP) provides abundant Schwann cells (SCs) and various natural growth factors and can compensate for the deficiency of SCs in the nerve bridge, as well as the limitations of applying a single type of growth factor. Multimodal ultrasound evaluation can provide additional information on the stiffness and microvascular flow perfusion of the tissue. This study was designed to investigate the effectiveness of a novel tissue-engineered nerve graft composed of an autogenous vein, nerve microtissues and PRP in reconstructing a 12-mm tibial nerve defect and to explore the value of multimodal ultrasound techniques in evaluating the prognosis of nerve repair. Methods: In vitro, nerve microtissue activity was first investigated, and the effects on SC proliferation, migration, factor secretion, and axonal regeneration of dorsal root ganglia (DRG) were evaluated by coculture with nerve microtissues and PRP. In vivo, seventy-five rabbits were equally and randomly divided into Hollow, PRP, Micro-T (Microtissues), Micro-T + PRP and Autograft groups. By analysing the neurological function, electrophysiological recovery, and the comparative results of multimodal ultrasound and histological evaluation, we investigated the effect of these new nerve grafts in repairing tibial nerve defects. Results: Our results showed that the combined application of nerve microtissues and PRP could significantly promote the proliferation, secretion and migration of SCs and the regeneration of axons in the early stage. The Micro-T + PRP group and Autograft groups exhibited the best nerve repair 12 weeks postoperatively. In addition, the changes in target tissue stiffness and microvascular perfusion on multimodal ultrasound (shear wave elastography; contrast-enhanced ultrasonography; Angio PlaneWave UltrasenSitive, AngioPLUS) were significantly correlated with the histological results, such as collagen area percentage and VEGF expression, respectively. Conclusion: Our novel tissue-engineered nerve graft shows excellent efficacy in repairing 12-mm defects of the tibial nerve in rabbits. Moreover, multimodal ultrasound may provide a clinical reference for prognosis by quantitatively evaluating the stiffness and microvescular flow of nerve grafts and targeted muscles
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Xue-Ping Li,Qing-Qing Xu,Wei-Biao Liao,Zhan-Jun Ma,Xiao-Ting Xu,Meng Wang,Peng-Ju Ren,Li-Juan Niu,Xin Jin,Yong-Chao Zhu 한국식물학회 2016 Journal of Plant Biology Vol.59 No.5
Abscisic acid (ABA) and hydrogen peroxide (H2O2) are important regulatory factors involved in plant development under adversity stress. Here, the involvement of H2O2 in ABA-induced adventitious root formation in cucumber (Cucumis sativus L.) under drought stress was determined. The results indicated that exogenous ABA or H2O2 promoted adventitious rooting under drought stress, with a maximal biological response at 0.5 μM ABA or 800 μM H2O2. The promotive effects of ABA-induced adventitious rooting under drought stress were suppressed by CAT or DPI, suggesting that endogenous H2O2 might be involved in ABA-induced adventitious rooting. ABA increased relative water content (RWC), leaf chlorophyll content, chlorophyll fluorescence parameters (Fv/Fm, ΦPS II and qP), water soluble carbohydrate (WSC) and soluble protein content, and peroxidase (POD), polyphenol oxidase (PPO) and indoleacetate oxidase (IAAO) activities, while decreasing transpiration rate. However, the effects of ABA were inhibited by H2O2 scavenger CAT. Therefore, H2O2 may be involved in ABA-induced adventitious root development under drought stress by stimulating water and chlorophyll content, chlorophyll fluorescence, carbohydrate and nitrogen content, as well as some enzyme activities.
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