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Studying the Strain Effect on Silicon Atomic Wires
Shu-Tong Chang,Shu-Hui Liao,Hsiao-Chun Huang,Chee-Wee Liu,Chung-Yi Lin 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.6
The transport properties of a Si3 atomic wire system, which is formed by a Si3 cluster connected to two lithium electrodes with bias applied, is studied using the simulator Virtual NanoLab that is constructed based on the non-equilibrium Green’s function (NEGF) scheme. We investigated the Si3 atomic wire system under three strain conditions (tensile, compressive and shear). Different trends in the I-V characteristics are observed for the three cases at various applied biases. The transmission spectrum T(E, Vb), as a function of energy and applied biases, are analyzed. The interactions among eigenstates of the molecular projected self-consistent Hamiltonian (MPSH) strongly affect the transport properties of the system.
Application of Auriculotherapy for Post-Burn Scar Syndrome in Young Adults with Major Burns
Cha-Chun Chen,San-Pei Chen,Shu-Yu Lyu,Chung-Hua Hsu 사단법인약침학회 2021 Journal of Acupuncture & Meridian Studies Vol.14 No.4
Background: A burn scar is a type of hypertrophic scar that can cause significant clinical symptoms, discomfort, and post-burn scar (PBS) syndrome in up to 77% of patients with burn injuries. Medication and rehabilitation are rarely effective at managing patient discomfort, and both laser and surgical interventions are postponed until the scar stabilizes and discomfort is tolerable. Objectives: The present study was conducted to investigate the effectiveness of auricular acupuncture among burn victims from the Formosa Color Dust Explosion in Taiwan. Methods: We enrolled 31 victims of the 2016 Formosa Color Dust Explosion who met the study inclusion criteria. The intervention involved placement of magnetic beads over the auricular Shenmen and Subcortex acupoints on one ear. Patients performed selfmassage five times per day, and both magnet beads were removed between the fifth and seventh days during the sessions. Several evaluation tools were used to assess clinical symptoms: the visual analogue scale for pain assessment, Burn Man Itch Scale for perceived patient itchiness, 5-D Pruritus Scale for sleep quality, and heart rate variability (HRV) for effects on the autonomic nervous system. Results: The clinical symptoms were significantly decreased following the intervention, but the effect did not endure. The normal-to-normal heart rate interval, heart rate analysis abnormalities, and very low frequency heart rate were significantly decreased among patients with abnormal HRV (SD < 40) following treatment. Conclusion: Stimulation of the auricular Shenmen and Subcortex acupoints may effectively reduce pain, itchiness, and sleep disturbances among patients with PBS syndrome.
Chemical Constituents of the Leaves of Glochidion obliquum and Their Bioactivity
Tran Dinh Thang,Ping-Chung Kuo,Chun-Shu Yu,Yuh-Chiang Shen,Le Thi Mai Hoa,Tran Van Thanh,Yao-Haur Kuo,Mei-Lin Yang,Tian-Shung Wu 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.3
A new flavonoid glycoside, globlin A (1), and eleven known compounds were isolated from methanolic extracts of the leaves of Glochidion obliquum. The structure of this new compound was established with a combination of 2D NMR techniques (COSY, NOESY, HMQC and HMBC) and HR-ESI-MS analyses. Chemical structures of the other known compounds were identified by comparison of their spectroscopic and physical data with those reported in the literature. Some of the isolates were examined for their bioactivities. Among the tested compounds, rotundic acid (4) displayed significant cytotoxicity and anti-inflammatory activities.
Cho, Sung-Ik,Chough, Chung-Kee,Choi, Shu-Chung,Chun, Jin-Young The Korean Neurosurgical Society 2016 Journal of Korean neurosurgical society Vol.59 No.6
Objective : The purpose of this study was to present the outcome of the microsurgical foraminotomy via Wiltse paraspinal approach for foraminal or extraforaminal (FEF) stenosis at L5-S1 level. We investigated risk factors associated with poor outcome of microsurgical foraminotomy at L5-S1 level. Methods : We analyzed 21 patients who underwent the microsurgical foraminotomy for FEF stenosis at L5-S1 level. To investigate risk factors associated with poor outcome, patients were classified into two groups (success and failure in foraminotomy). Clinical outcomes were assessed by the visual analogue scale (VAS) scores of back and leg pain and Oswestry disability index (ODI). Radiographic parameters including existence of spondylolisthesis, existence and degree of coronal wedging, disc height, foramen height, segmental lordotic angle (SLA) on neutral and dynamic view, segmental range of motion, and global lumbar lordotic angle were investigated. Results : Postoperative VAS score and ODI improved after foraminotomy. However, there were 7 patients (33%) who had persistent or recurrent leg pain. SLA on neutral and extension radiographic films were significantly associated with the failure in foraminotomy (p<0.05). Receiver-operating characteristics curve analysis revealed the optimal cut-off values of SLA on neutral and extension radiographic films for predicting failure in foraminotomy were $17.3^{\circ}$ and $24^{\circ}s$, respectively. Conclusion : Microsurgical foraminotomy for FEF stenosis at L5-S1 level can provide good clinical outcomes in selected patients. Poor outcomes were associated with large SLA on preoperative neutral (>$17.3^{\circ}$) and extension radiographic films (>$24^{\circ}$).
Identification of an Antifungal Chitinase from a Potential Biocontrol Agent, Bacillus cereus 28-9
( Chien Jui Huang ),( Tang Kai Wang ),( Shu Chun Chung ),( Chao Ying Chen ) 생화학분자생물학회 2005 BMB Reports Vol.38 No.1
Bacillus cereus 28-9 is a chitinolytic bacterium isolated from lily plant in Taiwan. This bacterium exhibited biocontrol potential on Botrytis leaf blight of lily as demonstrated by a detached leaf assay and dual culture assay. At feast two chitinases (ChiCW and ChiCH) were excreted by B. cereus 28-9. The ChiCW-encoding gene was cloned and moderately expressed in Escherichia coli DH5α. Near homogenous ChiCW was obtained from the periplasmic fraction of E. coli cells harboring chiCW by a purification procedure. An in vitro assay showed that the purified ChiCW had inhibitory activity on conidial germination of Botrytis elliptica, a major fungal pathogen of lily leaf blight.
Identification of an Antifungal Chitinase from a Potential Biocontrol Agent, Bacillus cereus 28-9
Huang, Chien-Jui,Wang, Tang-Kai,Chung, Shu-Chun,Chen, Chao-Ying Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.1
Bacillus cereus 28-9 is a chitinolytic bacterium isolated from lily plant in Taiwan. This bacterium exhibited biocontrol potential on Botrytis leaf blight of lily as demonstrated by a detached leaf assay and dual culture assay. At least two chitinases (ChiCW and ChiCH) were excreted by B. cereus 28-9. The ChiCW-encoding gene was cloned and moderately expressed in Escherichia coli DH5$\alpha$. Near homogenous ChiCW was obtained from the periplasmic fraction of E. coli cells harboring chiCW by a purification procedure. An in vitro assay showed that the purified ChiCW had inhibitory activity on conidial germination of Botrytis elliptica, a major fungal pathogen of lily leaf blight.