http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Emissions from Deep Levels in Hydrothermal Grown ZnO Substrates
Satoru Seto,Satoru Yamada,Kazuhiko Suzuki,Kenji Yoshino 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.5
Undoped ZnO single-crystal substrates grown by using the hydrothermal method purchased from Tokyo Denpa Co. Ltd. (Japan) and SPC Goodwill Co. Ltd. (Russia) have been evaluated using low-temperature photoluminescence measurements. The broad deep emission bands in the two kinds of substrates can be decomposed into two Gaussian peaks: one located at 2.1 - 2.2 eV and the other at 2.4 - 2.5 eV, which are called the yellow band and the green band, respectively. the temperature dependence of the peak energy of the broad band could be explained by using the dierence between the temperature quenching rates of the green and the yellow bands.
Masahiro Yoneda,Miwa Yamada,Nao Suzuki,Rie Uemura,Akie Fujimoto,Yosuke Masuo,Hirofumi Fukuchi,Hiromitsu Morita,Kazuhiko Yamada,Tadayuki Matsuo,Ayako Ishii,Chihiro Koga,Takao Hirofuji 대한예방치과학회 2015 International Journal of Clinical Preventive Denti Vol.11 No.1
Objective: Fukuoka Dental College established a satellite clinic, the Center for Oral Diseases (COD), in December 2011. In this study, we analyzed halitosis patients and the role of dental hygienists. Methods: Approximately 70% of the patients were female and most were in their 40s. We analyzed the possible causes of halitosis. Results: More than half of the patients exhibited a thick tongue coating. Low salivary flow was present in 23.6% of males and in 39.4% of females. Pocket depth ≥6 mm was found in 44.2% of males and in 16.7% of females. We also analyzed treatment provided after breath odor measurement. Most of the patients with physiological halitosis and pseudohalitosis did not receive further treatment, but some were treated at the COD with scaling and professional tooth cleaning. Many of the patients with genuine halitosis received dental treatment at the COD. We referred patients from other clinics and from distant locations to their local doctors for treatment. Conclusion: Halitosis had various causes, and the role of dental hygienists, including scaling, root planing, and tooth brushing instruction, are important in decreasing breath odor. Dental hygienists play an important role in communication with halitosis patients.
Masahiro Yoneda,Nao Suzuki,Akie Fujimoto,Yosuke Masuo,Kazuhiko Yamada,Hiromitsu Morita,Chihiro Koga,Takao Hirofuji 대한예방치과학회 2015 International Journal of Clinical Preventive Denti Vol.11 No.2
Objective: In December 2011, Fukuoka Dental College (FDC) established a satellite dental hospital: the Center for Oral Diseases (COD). One of the purposes of the COD was to acquire a sufficient number of patients for the clinical training of dental students. The purpose of this study was to evaluate patients’ acceptance of treatment by dental students at FDC and the COD, and to identify factors that may predispose patients to non-acceptance of treatment by dental students. Methods: We questioned all new patients on their acceptance of receiving dental treatment performed by dental students, and their answers were recorded. We then compared the degree of acceptance between FDC and the COD. Results: The degree of non-acceptance was significantly higher in the COD patients. Furthermore, both female and halitosis patients displayed a higher degree of non-acceptance. When halitosis patients were excluded, the degree of acceptance did not differ significantly between the two hospitals. Conclusion: There may be many reasons for patient non-acceptance of dental treatment performed by students. However, halitosis patients were found to be more nervous on being treated or observed by students. Based on these results, the COD may be able to serve as an effective student training dental hospital if halitosis patients are excluded from the clinical training course.
High-energy Magnetic Excitations in Underdoped La1.90Sr0.10CuO4
Kentaro Sato,Masato Matsuura,Masaki Fujita,Ryoichi Kajimoto,Sungdae Ji,Kazuhiko Ikeuchi,Mitsutaka Nakamura,Yasuhiro Inamura,Masatoshi Arai,Masanori Enoki,Kazuyoshi Yamada 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We measured the magnetic excitations in underdoped (UD) La1.90Sr0.10CuO4 by using inelasticneutron scattering over a wide energy range. We succeeded in observing the high-energy excitationsup to '160 meV. Hour-glass-like magnetic excitation, which is commonly seen in the superconductingphase of cuprate oxides, was confirmed. The Ecross (the energy where the dispersion is closestto the ( 12 , 12 ) reciprocal position) of 40 meV follows a linear relation between Ecross and the dopedhole concentration in the UD region. From the dispersion of high-energy excitations above Ecross,we successfully found an effective nearest neighbor interaction (Jeff ) of 102 ± 2 meV. This Jeff issmaller than the nearest neighbor interaction J(=132 meV) in the parent compound La2CuO4,indicating a reduction of Jeff by hole-doping.
Naohiro Sekiguchi,Airi Hamano,Tomoko Kitagawa,Yuya Kurihara,Kenichi Ito,Miwa Kurimoto,Kozo Watanabe,Kazuhiko Hirano,Satoshi Noto,Kazuaki Yamada,Naoki Takezako 대한혈액학회 2018 Blood Research Vol.53 No.2
Background Waldenström Macroglobulinemia (WM) is a rare subtype of indolent B-cell lymphoma, and prospective randomized studies on WM are scarce. The R-CHOP therapy [rituximab (R), cyclophosphamide, hydroxy-doxorubicin, vincristine, and prednisone] is a popular and recommended regimen for primary therapy, prescribed by several treatment guide-lines for WM. However, treatment with R-CHOP is accompanied by severe myelosup-pression and high rates of peripheral neuropathy. Therefore, we retrospectively evaluated the efficacy and toxicity of half-dose CHOP combined with R as a primary therapy for WM. Methods Patients with untreated symptomatic WM, treated at the Disaster Medical Center be-tween April 2011 and September 2016, were retrospectively analyzed after admin-istration of 6 cycles of half-dose R-CHOP for every 3 weeks. The response, median time to response, best response, progression-free survival, overall survival, and toxicities were evaluated. Results Of the 20 WM patients analyzed, 16 (80%) received half-dose R-CHOP without vincris-tine, and 13 (65%) responded to the treatment. With a median follow-up duration of 26.3 months, the 2-year progression-free survival and 2-year overall survival rates were 70 and 93.3%, respectively. The median time to response and best response were 6 and 9.9 weeks, respectively. Grade 3/4 leukocytopenia, neutropenia, febrile neutropenia, and Grade 1 peripheral neuropathy developed in 32, 37, 0, and 21% of patients, respectively. Conclusion The half-dose R-CHOP is an effective and well-tolerated primary therapy for WM. To the best of our knowledge, this is the first study reporting the use of a reduced-dose R-CHOP regimen for the primary treatment of WM.
Naohiro Sekiguchi,Airi Hamano,Tomoko Kitagawa,Yuya Kurihara,Kenichi Ito,Miwa Kurimoto,Kozo Watanabe,Kazuhiko Hirano,Satoshi Noto,Kazuaki Yamada,Naoki Takezako 대한혈액학회 2018 Blood Research Vol.53 No.2
Background Waldenström Macroglobulinemia (WM) is a rare subtype of indolent B-cell lymphoma, and prospective randomized studies on WM are scarce. The R-CHOP therapy [rituximab (R), cyclophosphamide, hydroxy-doxorubicin, vincristine, and prednisone] is a popular and recommended regimen for primary therapy, prescribed by several treatment guide-lines for WM. However, treatment with R-CHOP is accompanied by severe myelosup-pression and high rates of peripheral neuropathy. Therefore, we retrospectively evaluated the efficacy and toxicity of half-dose CHOP combined with R as a primary therapy for WM. Methods Patients with untreated symptomatic WM, treated at the Disaster Medical Center be-tween April 2011 and September 2016, were retrospectively analyzed after admin-istration of 6 cycles of half-dose R-CHOP for every 3 weeks. The response, median time to response, best response, progression-free survival, overall survival, and toxicities were evaluated. Results Of the 20 WM patients analyzed, 16 (80%) received half-dose R-CHOP without vincris-tine, and 13 (65%) responded to the treatment. With a median follow-up duration of 26.3 months, the 2-year progression-free survival and 2-year overall survival rates were 70 and 93.3%, respectively. The median time to response and best response were 6 and 9.9 weeks, respectively. Grade 3/4 leukocytopenia, neutropenia, febrile neutropenia, and Grade 1 peripheral neuropathy developed in 32, 37, 0, and 21% of patients, respectively. Conclusion The half-dose R-CHOP is an effective and well-tolerated primary therapy for WM. To the best of our knowledge, this is the first study reporting the use of a reduced-dose R-CHOP regimen for the primary treatment of WM.