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Kiyoshi Yoshida,Kikuko Obase 한국심초음파학회 2012 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.20 No.2
The mitral valve complex is consisted of annulus, leaflets, chordae tendineae, papillary muscle (PMs) and surrounding left ventricle. Functional mitral regurgitation (MR) results from left ventricular remodeling such as dilatation or distortion, which displaces the PMs and then tethers the mitral leaflets, restricting leaflet coaptation. Undersized annuloplasty, which has been widely accepted as a simple and effective procedure for functional MR, sometimes worsens the tethering of posterior leaflet and induces recurrent MR. In order to overcome such problems, several additional procedures to the simple annuloplasty have been produced. Three dimensional echocardiography plays an essential role to understand the geometry of mitral valve complex and contributes greatly to decision making of the surgical strategy in functional MR and its postoperative assessment.
Naohisa Yoshida,Osamu Dohi,Ken Inoue,Ritsu Yasuda,Takaaki Murakami,Ryohei Hirose,Ken Inoue,Yuji Naito,Yutaka Inada,Kiyoshi Ogiso,Yukiko Morinaga,Mitsuo Kishimoto,Rafiz Abdul Rani,Yoshito Itoh 거트앤리버 소화기연관학회협의회 2019 Gut and Liver Vol.13 No.2
A laser endoscopy system was developed in 2012. The system allows blue laser imaging (BLI), BLI-bright, and linked color imaging (LCI) to be performed as modes of narrowband light observation; these modes have been reported to be useful for tumor detection and characterization. Furthermore, an innovative endoscopy system using four-light emitting diode (LED) multilight technology was released in 2016 to 2017 in some areas in which laser endoscopes have not been approved for use, including the United States and Europe. This system enables blue light imaging (this is also known as BLI) and LCI with an LED light source instead of a laser light source. Several reports have shown that these modes have improved tumor detection. In this paper, we review the efficacy of BLI and LCI with laser and LED endoscopes in tumor detection and characterization.
Laboratory and Pilot-Scale Studies of PVA Biodegradation
Yedes A. F Adou,Kazuichi Yoshida,Kiyoshi Suzuki,Joseph Rouse,Ji Hayng Kweon 대한환경공학회 2005 대한환경공학회 학술발표논문집 Vol.2005 No.12
In this research, the biodegradability of PVA and the elimination of COD were tested both in a laboratory-scale experimental set up and in a pilot plant. The removal of the target elements were operated first with sludge from a municipal wastewater treatment plant, and then with colonies of A cinetobacter sp., Acinetobacter junii, and Pseudomonas sp isolated from the same sludge. Synthetic as well as real wastewater samples were used. At slightly different rates, both the sludge and the isolated microorganisms removed PVA and COD. This research is an important contribution in the use of isolated microorganisms to decompose PVA, major contributors of COD and BOD in textile wastewater, into gaseous carbon dioxide, and thereby reducing excess sludge in activated sludge plants.
Association of a polymorphism of BTN2A1 with dyslipidemia in East Asian populations
FUJIMAKI, TETSUO,KATO, KIMIHIKO,OGURI, MITSUTOSHI,YOHIDA, TETSURO,HORIBE, HIDEKI,YOKOI, KIYOSHI,WATANABE, SACHIRO,SATOH, KEI,AOYAGI, YUKITOSHI,TANAKA, MASASHI,YOSHIDA, HIROTO,SHINKAI, SHOJI,NOZAWA, YO Spandidos Publications 2011 Experimental and therapeutic medicine Vol.2 No.4
Iseki, Mineo,Matsunaga, Shigeru,Murakami, Akio,Ohno, Kaoru,Shiga, Kiyoshi,Yoshida, Kazuichi,Sugai, Michizo,Takahashi, Tetsuo,Hori, Terumitsu,Watanabe, Masakatsu Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
Euglena gracilis abruptly changes its swimming direction after a sudden increase or decrease in incident light intensity, that is, step-up or step-down photophobic responses, resulting in photoavoidance or photoaccumulation, respectively. To identify the photoreceptor molecules for these UV-A/blue-light type photobehaviors, we purified a flavoprotein from isolated putative photosencory organelles (PFBs) of Euglena. The purified flavoprotein, which noncovalently bound flavin adenine dinucleotide (FAD), seemed to be a heterotetramer of alpha- and beta-subunits. Predicted amino acid sequences of each of the subunits were similar to each other and contained two FAD-binding domains each followed by an adenylyl cyclase catalytic domain. The purified flavoprotein actually showed adenylyl cyclase activity, being drastically elevated by blue-light irradiation. Suppression of gene expression of the flavoprotein (Photoactivated Adenylyl Cyclase, PAC) by RNA interference (RNAi) caused loss of the step-up photophobic response, demonstrating that PAC actually mediates photoavoidance of Euglena.