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排序方式: 共有76条查询结果,搜索用时 46 毫秒
1.
Bumju Kim Myeongsu Na Soohyun Park Kitae Kim Jung-Hoon Park Euiheon Chung Sunghoe Chang Ki Hean Kim 《Biomedical optics express》2021,12(4):2328
Open-top light-sheet microscopy (OT-LSM) is a specialized microscopic technique for high throughput cellular imaging of large tissue specimens including optically cleared tissues by having the entire optical setup below the sample stage. Current OT-LSM systems had relatively low axial resolutions by using weakly focused light sheets to cover the imaging field of view (FOV). In this report, open-top axially swept LSM (OTAS-LSM) was developed for high-throughput cellular imaging with improved axial resolution. OTAS-LSM swept a tightly focused excitation light sheet across the imaging FOV using an electro tunable lens (ETL) and collected emission light at the focus of the light sheet with a camera in the rolling shutter mode. OTAS-LSM was developed by using air objective lenses and a liquid prism and it had on-axis optical aberration associated with the mismatch of refractive indices between air and immersion medium. The effects of optical aberration were analyzed by both simulation and experiment, and the image resolutions were under 1.6µm in all directions. The newly developed OTAS-LSM was applied to the imaging of optically cleared mouse brain and small intestine, and it demonstrated the single-cell resolution imaging of neuronal networks. OTAS-LSM might be useful for the high-throughput cellular examination of optically cleared large tissues. 相似文献
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Tani T Kim K Fujii Y Komori S Okada Y Kita T Furukawa Y 《The Annals of thoracic surgery》2012,93(4):e97-e98
We describe a 66-year-old man who required an operation for severe mitral regurgitation associated with a double-orifice mitral valve. Real-time 3-dimensional transesophageal echocardiography clearly demonstrated a double-orifice mitral valve with a central fibrous bridge. A flail posterior leaflet was observed on the anterolateral mitral valve orifice. Mitral valve repair using P1 triangular resection, anterolateral commissure plication, and ring annuloplasty with Duran band (Medtronic, Minneapolis, MN) was successfully performed. Postoperative real-time 3-dimensional transesophageal echocardiography demonstrated a double-orifice mitral valve without regurgitation or stenosis. 相似文献
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Yamashita Yugo Amano Hidewo Morimoto Takeshi Kadota Kazushige Hata Reo Matsushita Kazuki Osakada Kohei Sano Arata Takase Toru Hiramori Seiichi Kim Kitae Oi Maki Akao Masaharu Kobayashi Yohei Toyofuku Mamoru Inoko Moriaki Tada Tomohisa Chen Po-Min Murata Koichiro Tsuyuki Yoshiaki Nishimoto Yuji Sasa Tomoki Sakamoto Jiro Kinoshita Minako Togi Kiyonori Mabuchi Hiroshi Takabayashi Kensuke Kato Takao Ono Koh Kimura Takeshi 《Journal of thrombosis and thrombolysis》2022,53(1):182-190
Journal of Thrombosis and Thrombolysis - Prolonged anticoagulation therapy is recommended for patients with intermediate-risk for recurrence of venous thromboembolism (VTE). The current study aimed... 相似文献
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Azuma Yuka Dohi Osamu Naito Yuji Yasuda Takeshi Yoshida Takuma Ishida Tsugitaka Kitae Hiroaki Matsumura Shinya Doi Toshihumi Hirose Ryohei Inoue Ken Yoshida Naohisa Kamada Kazuhiro Uchiyama Kazuhiko Takagi Tomohisa Ishikawa Takeshi Konishi Hideyuki Nishimura Ayako Kishimoto Mitsuo Itoh Yoshito 《Esophagus》2022,19(2):278-286
Esophagus - This study aimed to evaluate endoscopic findings using non-magnifying blue laser imaging (BLI) to determine the risk factors for metachronous esophageal squamous cell carcinoma (ESCC).... 相似文献
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Interferon alpha (IFNα) conjugated with polyethylene glycol (PEG) has been widely used for the treatment of hepatitis C virus (HCV) infection as a once-a-week injection formulation. However, the PEGylated IFNα has a low efficacy of ca. 39% and a side effect after repeated injections possibly due to the non-specific delivery with PEGylation. In this work, target specific long-acting hyaluronic acid-interferon alpha (HA-IFNα) conjugate was successfully developed for the treatment of HCV infection. HA-IFNα conjugate was synthesized by coupling reaction between aldehyde modified HA and the N-terminal group of IFNα. The IFNα content could be controlled in the range of 2-9 molecules per single HA chain with a bioconjugation efficiency higher than 95%. According to in vitro anti-proliferation assay using Daudi cells, HA-IFNα conjugate showed a comparable biological activity to PEG-Intron. In vivo real-time bioimaging confirmed the target specific delivery of near-infrared fluorescence (NIRF) dye labeled HA-IFNα conjugate to the liver in mice. In addition, pharmacokinetic analysis revealed the enhanced residence time longer than 4 days. After tail-vein injection, HA-IFNα conjugate induced ca. 60% higher expression of 2',5'-oligoadenylate synthetase 1 (OAS 1) for innate immune responses to viral infection in the murine liver tissues than IFNα and PEG-Intron. 相似文献
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