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Uniqueness of meromorphic solutions of a certain type of difference equations
Jun-Fan Chen,Shu-Qing Lin 대한수학회 2022 대한수학회보 Vol.59 No.4
In this paper, we study the uniqueness of two finite order transcendental meromorphic solutions $f(z)$ and $g(z)$ of the following complex difference equation $$A_{1}(z)f(z+1)+A_{0}(z)f(z)=F(z)e^{\alpha(z)}$$ when they share 0, $\infty$ CM, where $A_{1}(z),$ $A_{0}(z),$ $F(z)$ are non-zero polynomials, $\alpha(z)$ is a polynomial. Our result generalizes and complements some known results given recently by Cui and Chen, Li and Chen. Examples for the precision of our result are also supplied.
( Chen Chen ),( Ming Zhong Sun ),( Shu Qing Liu ),( Dong Mei Yeh ),( Li Jun Yu ),( Yang Song ),( Lin Lin Gong ),( Li Hong Hao ),( Jun Hu ),( Shu Juan Shao ) 생화학분자생물학회 (구 한국생화학분자생물학회) 2010 BMB Reports Vol.43 No.8
Smad4 is involved in cancer progression and metastasis. Using a pair of human syngeneic epithelial ovarian cancer cells with low (HO-8910) and high (HO-8910PM) metastatic abilities, we aimed to reveal the role of Smad4 in ovarian cancer metastasis in vitro. Smad4 was down-regulated in HO-8910PM cell line relative to HO-8910 by implicating Smad4 was probably a potential tumor suppressor gene for ovarian cancer. Re-expression of Smad4 decreased the migration ability and inhibited the invasion capacity of HO-8910PM, while promoted the cell adhesion capacity for HO-8910PM. The stable expression of Smad4 increased the expression of E-cadherin, reduced the expression of plasminogen activator inhibitor-1 (PAI-1) and slightly down-regulated the expression of VEGF. Smad4 suppresses human ovarian cancer cell metastasis potential through its effect on the expressions of PAI-1, E-cadherin and VEGF. Results from current work implicate Smad4 might suppress the invasion and metastasis of human ovarian tumor cells through a TGF-β/Smad-mediated pathway. [BMB reports 2010; 43(8): 554-560]
Shu-Tsen Liu(Shu-Tsen Liu),Sheng-Che Lin(Sheng-Che Lin),Jane Pei-Chen Chang(Jane Pei-Chen Chang),Kai-Jie Yang(Kai-Jie Yang),Che-Sheng Chu(Che-Sheng Chu),Chia-Chun Yang(Chia-Chun Yang),Chih-Sung Liang( 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.1
There is growing evidence that the coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is associated with increased risks of psychiatric sequelae. Depression, anxiety, cognitive impairments, sleep disturbance, and fatigue during and after the acute phase of COVID-19 are prevalent, long-lasting, and exerting negative consequences on well-being and imposing a huge burden on healthcare systems and society. This current review presented timely updates of clinical research findings, particularly focusing on the pathogenetic mechanisms underlying the neuropsychiatric sequelae, and identified potential key targets for developing effective treatment strategies for long COVID. In addition, we introduced the Formosa Long COVID Multicenter Study (FOCuS), which aims to apply the inflammation theory to the pathogenesis and the psychosocial and nutrition treatments of post-COVID depression and anxiety.
Shu-Chen Chien,Chao-Ti Hsiung,Shu-Fang Chen,Chun-Pin Lin 환태평양유아교육연구학회 2010 Asia-Pacific journal of research in early childhoo Vol.4 No.2
The collaborative teaching research was conducted in northern Taiwan’s Tayal indigenous tribe to practice a constructivist inquiry-based science project curriculum implementing place-based education for kindergarten children. Research participants included 2 classroom teachers and 15 young children. Entering the natural tribal context, the researcher collected data through field observations, interviews, and other documentation. Qualitative method was adopted to analyze research data. A bamboo project was implemented relating to children’s life experiences. Research findings reveal: (1) teachers and children managed to co-construct a science project curriculum based on local resources and Tayal traditional knowledge (2) children developed basic scientific concepts and knowledge about natural plants through the inquiry-based project curriculum and (3) teachers regarded their roles as being colearners with children and realized the importance of children’s active involvement in the constructivist inquiry-based teaching. The result can help to improve science teaching/learning for indigenous children by utilizing environmental resources as well as traditional knowledge in future education.
Shu-Jen Chen,Jia-Ling Chen,Wei-Chih Huang,Hsin-Liang Chen 한국화학공학회 2009 Korean Journal of Chemical Engineering Vol.26 No.2
The development of a fermentation strategy for hyaluronic acid (HA) production by Streptococcus zooepidemicus ATCC 39920 has been explored. The specific HA productivity (YP/X) was affected by the medium carbon-tonitrogen (C/N) ratio rather than the specific growth rate of cells. Accordingly, HA fermentation should be performed in a balanced medium with an optimum C/N ratio of 2 : 1 in a batch culture. To improve the performance of the batch culture, the operation conditions for the fill-and-draw culture were investigated. It was found that the timing of medium exchange is critical for successfully performing fill-and-draw operations. Since streptococcal cells at the stationary phase might lose the capacity of HA synthesis, the displacement of the medium in a fill-and-draw culture should be started at the late exponential growth phase.
Shu-Jen Tuan,Yung-Hsiang Lin,Shu-Chen Peng,Wei-Han Lai 한국응용곤충학회 2016 Journal of Asia-Pacific Entomology Vol.19 No.1
In this study, the predatory efficacy of Orius strigicollis (Poppius), a predacious flower bug, against the twospotted spider mite (TSSM), Tetranychus urticae Koch, on strawberry (Fragaria ananassa) was investigated. Our results showed that release of 2, 4, 6, and 12 neonates of O. strigicollis per strawberry plant could suppress 58.9, 72.6, 88.6, and 92.8% of T. urticae, respectively, at 14 days after treatment. A single release of 12 neonate bugs per plant achieved and maintained, over a period of 3 months, 82% to 98% control of T. urticae population. A biweekly release of 6 neonate bugs per plant; likewise, suppressed ca. 90% of T. urticae population throughout the same period. However, predatory efficacy was reduced by an over-release of predators which may cause cannibalism as well as lower possibility of finding prey. Since the released neonates survived well to adults with offspring that retained their predatory ability, this study has demonstrated that O. strigicollis is a predatorwith good potential for sustainable suppression of T. urticae on strawberry, and one application of O. strigicollis neonates at a predator:prey ratio of 1:200 egg plus motile TSSM or 1:60 motiles per strawberry plant promises a season-long control and substantial management of spider mite infestation.
Depression and Predictors in Taiwanese Survivors with Oral Cancer
Chen, Shu-Ching,Huang, Bing-Shen,Lin, Chien-Yu Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.8
Background: Depression is a comorbid disabling problem and potentially affects patient likelihood of survival. The aims of this study were to recognize the characteristics of depression and investigate associated predictor factors in patients with oral cancers. Methods: A cross-sectional and correlational design was used to collect data for this study conducted in northern Taiwan. A set of questionnaires was used to measure depression, symptom distress, performance status, social support, and demographic and disease-related information. Logistic regression was conducted to determine important factors predicting depression. Results: A total of 132 oral cancer patients participated in this study. Of these, 18.2% were identified as depression cases. The patient average performance status score was 90 or higher. Patients reported mild-to-moderate levels of symptom distress. The majority of social support was from families. Religious belief, alcohol use, symptom distress, and social support from family were found to be important factors predicting depression. Patients with religious belief with alcohol use reported greater symptom distress, and those with lower levels of social support from families were significantly more likely to develop depression. Conclusions: Clinicians should assess patient emotional status and manage symptoms in a timely manner to enhance coping abilities. Supportive care provides assurance during the acute survivor phase.
Shu-Wan Chiang,Shu-Chen Wu,Tai-Chu Peng 한국간호과학회 2021 Asian Nursing Research Vol.15 No.1
Purpose: The purpose of this study was to explore the experiences of caregivers in long-term care facilities as they implement palliative care. Although palliative care has been available in Taiwan for more than 30 years, it is often provided in hospitals, few models in the long-term care facilities. Methods: Semi-structured interviews using grounded theory methodology and purposive sampling. Two small long-term care facilities that had performed well in palliative care were selected from eastern Taiwan. A total of 12 caregivers participated in in-depth semi-structured face-to-face interviews. Results: Four major stages in the implementation of palliative care were identified: (1) feeling insecure, (2) clarifying challenges, (3) adapting to and overcoming the challenges, and (4) comprehending the meaning of palliative care. The core category of these caregivers as “the guardians at the end of life” reflects the spirit of palliative care. Conclusion: This study demonstrates that successful palliative care implementation would benefit from three conditions. First, the institution requires a manager who is enthusiastic about nursing care and who sincerely promotes a palliative care model. Second, the institution should own caregivers who possess personality traits reflective of enthusiasm for excellence, unusual ambition, and a true sense of mission. Third, early in the implementation phase of the hospice program, the institution must have the consistent support of a high-quality hospice team.