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84 results on '"Nakajima, Yosuke"'

53. 正逆光電子分光によるFe(Se,Te)の電子状態研究(鉄系高温超伝導の物理,研究会報告)

Author

Yoshida, Rikiya, Utsumi, Yuki, Tsubota, Koji, Fukui, Masaki, Nakajima, Yosuke, Okazaki, Hiroyuki, Mizuguchi, Yoshikazu, Takano, Yoshihiko, Muro, Takayuki, Kato, Yukako, Kumigashira, Hiroshi, Oshima, Masaharu, Harima, Hisatomo, Aiura, Yoshihiro, Sato, Hitoshi, Ino, Akihiro, Namatame, Hirofumi, Taniguchi, Masaki, Hirai, Masaaki, Muraoka, Yuji, and Yokoya, Takayoshi

Abstract

この論文は国立情報学研究所の電子図書館事業により電子化されました。

Published
2011

61. CLINICAL EFFICACY OF LEUPROLIDE ACETATE AND COMBINED TREATMENT WITH ESTRAMUSTINE FOR ADVANCED PROSTATE CANCER

Author

Saito, Shiro, primary, Nakashima, Jun, additional, Nakajima, Yosuke, additional, Ikeuchi, Koichi, additional, Shibayama, Taro, additional, Nagakura, Kazuhiko, additional, Naide, Yorio, additional, Hayakawa, Masamichi, additional, Ogawa, Yoshihide, additional, Hata, Makoto, additional, Nakazono, Masaaki, additional, Hasegawa, Shintaro, additional, Oda, Takahide, additional, Kimura, Satoru, additional, Nakamura, So, additional, Matsunaga, Juko, additional, Fujioka, Toshio, additional, Tanoguchi, Hitoshi, additional, Aoki, Seiichi, additional, Yamamoto, Yasuhide, additional, Izawa, Akira, additional, Kimura, Shigezo, additional, Suzuki, Keizo, additional, Tazaki, Hiroshi, additional, and Murai, Masaru, additional

Published
2001
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64. Electrochemically regenerative visible light-induced reactivity of α-Fe2O3 films with Ag(core)–AgCl(shell) microcrystal composites

Author

Nakajima, Yosuke, Jin, Qiliang, and Tada, Hiroaki

Subjects
*OXIDATION, *PARTICLES (Nuclear physics), *INTERMEDIATES (Chemistry), *PHOTOSYNTHETIC oxygen evolution
Abstract

Abstract: Ag(core)–AgCl(shell) microcrystal composites (Ag@AgCl) have been formed on an α-Fe2O3 film-coated SnO2 electrode by a 2 step method consisting of the electrochemical reduction of Ag+ ions and the subsequent electrochemical oxidation. The synergy of α-Fe2O3 and Ag@AgCl gave rise to a high visible light-induced reactivity (λ ex >420nm) for the oxidation of 2-naphthol (2-NAP) used as a model water pollutant in the presence and absence of oxygen. These findings were attributable to the function of Ag@AgCl composites as an excellent charge-separation promoter and built-in acceptor. [Copyright &y& Elsevier]

Published
2008
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65. Diagnosis and treatment of impotence with administration of chemical prosthesis using real-time mechanical sector duplex scanner--with special reference to diabetic patients

Author

NAKAJIMA, Yosuke, SHIBAYAMA, Taro, YAMAMOTO, Hidenobu, SUZUKI, Yoshihiko, MATSUOKA, Kenpei, and KANEDA, Satoru

Subjects
Dia- betic patients, Real-time mechanical sector duplex scanner, Chemical prosthesis, 494.9, Impotence
Abstract

The usefulness of a chemical prosthesis was studied for the diagnosis and treatment of 20 patients with erectile impotence (14 due to diabetes, 2 due to pelvic surgery and 4 due to psychogenic factors) using papaverine hydrochloride and phentolamine mesilate. Absolute erection was observed in 16 patients (80%) and coital penetration was possible in all 9 patients who actually tried sexual intercourse. Penile arterial blood flow was measured in 15 patients using a real-time mechanical sector duplex scanner (Diasonics DRF/400V) just before and after the chemical prosthesis, and a marked increase in blood flow was observed in all patients after administration. From these results, it is considered that measurement of the penile blood flow using a mechanical sector duplex scanner is useful in the diagnosis and monitoring of impotence. Furthermore, a chemical prosthesis is suitable mainly for the treatment of impotence due to diabetes, by adjusting the dosage and administration.

Published
1989

66. 血中および尿中hCGが高値を示した成人後腹膜胚細胞腫瘍の1例

Author

NAKAJIMA, Yosuke, NAKAMURA, Soh, KIMURA, Satoru, KURAMOCHI, Shigeru, and NAKAMURA, Kaoru

Subjects
endocrine system, VBP therapy, hCG, Germ cell tumors, 494.9
Abstract

A case of retroperitoneal germ cell tumors in a 32-year-old male is reported. He was admitted to our hospital with complaints of lumbago and abdominal mass. He was diagnosed with primary retroperitoneal malignant tumor and underwent resection of the tumor with retroperitoneal lymphadenectomy. The final pathological diagnosis revealed germ cell tumors of more than one histological type in the retroperitoneal space. Serum human chorionic gonadotropin (hCG) and hCG-beta levels were very high preoperatively (4, 8000 mIU/ml, 57 ng/ml, respectively) and they decreased to normal after vinblastine-bleomycin cisplatin combination chemotherapy three times postoperatively. The patient later developed a solitary lung metastasis and died in another hospital 7 months after the operation. Retroperitoneal germ cell tumors in adults are rare. One question continually arises: are they extragonadal occurrences or germ cell tumors or do they represent metastatic lesions from occult testicular tumors?

Published
1989

83. FLUID ABSORPTION DURING PERCUTANEOUS ULTRASONIC NEPHROLITHOTRIPSY

Author

Baba, Shiro, primary, Marumo, Ken, additional, Hasegawa, Shintaro, additional, Tanoguchi, Hitoshi, additional, Tsukamoto, Takuji, additional, Ohashi, Masakazu, additional, Nakajima, Yosuke, additional, Nakamura, Kaoru, additional, Nakazono, Masaaki, additional, Deguchi, Nobuhiro, additional, Murai, Masaru, additional, Jitsukawa, Seido, additional, and Tazaki, Hiroshi, additional

Published
1985
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84. The predictive value of positive urine cytology for outcomes following radical nephroureterectomy in patients with primary upper tract urothelial carcinoma: A multi-institutional study 1 [1] This work was supported in part by Grants-in-Aid for Scientific Research (#24791671 to Tanaka N.) from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.

Author

Tanaka, Nobuyuki, Kikuchi, Eiji, Kanao, Kent, Matsumoto, Kazuhiro, Shirotake, Suguru, Kobayashi, Hiroaki, Miyazaki, Yasumasa, Ide, Hiroki, Obata, Jun, Hoshino, Katsura, Hayakawa, Nozomi, Kosaka, Takeo, Oyama, Masafumi, Miyajima, Akira, Momma, Tetsuo, Nakagawa, Ken, Jinzaki, Masahiro, Nakajima, Yosuke, and Oya, Mototsugu

Subjects
*NEPHRECTOMY, *TRANSITIONAL cell carcinoma, *CYTOLOGY, *URINARY organ cancer, *METASTASIS, *CANCER relapse, *PATIENTS, *THERAPEUTICS
Abstract

Abstract: Background and objective: Few studies have addressed the predictive value of positive urine cytology for prognosis in patients with upper tract urothelial carcinoma (UTUC). We investigated whether the status of preoperative urine cytology could provide additional prognostic information following radical nephroureterectomy (RNU). Materials and methods: The study included 474 patients with primary nonmetastatic UTUC (pTa-4N0M0) from a retrospective multi-institutional cohort. The median follow-up period was 35 months. Associations between the status of urine cytologic evaluation and outcomes were analyzed using multivariate Cox regression models. Urine cytology was evaluated preoperatively using voided samples. Disease recurrence was defined as any relapse in nonbladder lesions and was coded separately from intravesical recurrence. Results: Positive urine cytology was detected in 184 patients (38.8%) preoperatively. Disease recurrence occurred in 127 patients, while intravesical recurrence occurred in 219 patients; 83 patients died of UTUC during follow-up. Kaplan-Meier analysis revealed that only the incidence of intravesical recurrence was significantly associated with the status of urine cytologic evaluation (P = 0.024); the intravesical recurrence-free survival rates at 1 and 3 years following RNU were 61.4% and 46.2% in patients with positive urine cytology and 71.1% and 51.6% in their counterparts, respectively. Multivariate analysis showed that gender (hazard ratio [HR] = 1.74, 95% confidence interval [CI]; 1.28–2.43), tumor multifocality in RNU specimens (HR = 1.64, 95% CI; 1.09–2.47), and positive urine cytology (HR = 1.41, 95% CI; 1.08–1.85) were independent risk factors for subsequent intravesical recurrence. Conclusions: The results showed the prognostic value of positive urine cytology in patients with primary UTUC, and preoperative positive urine cytology may be associated with a significant increase in the prevalence of intravesical recurrence following RNU. [Copyright &y& Elsevier]

Published
2014
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