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Grease matrix as a versatile carrier of proteins for serial crystallography
Sugahara, Michihiro,Mizohata, Eiichi,Nango, Eriko,Suzuki, Mamoru,Tanaka, Tomoyuki,Masuda, Tetsuya,Tanaka, Rie,Shimamura, Tatsuro,Tanaka, Yoshiki,Suno, Chiyo,Ihara, Kentaro,Pan, Dongqing,Kakinouchi, Ke Nature Publishing Group 2015 NATURE METHODS Vol. No.
Serial femtosecond X-ray crystallography (SFX) has revolutionized atomic-resolution structural investigation by expanding applicability to micrometer-sized protein crystals, even at room temperature, and by enabling dynamics studies. However, reliable crystal-carrying media for SFX are lacking. Here we introduce a grease-matrix carrier for protein microcrystals and obtain the structures of lysozyme, glucose isomerase, thaumatin and fatty acid–binding protein type 3 under ambient conditions at a resolution of or finer than 2 Å.
Method for Reduction of Metal Artifacts in Dental CT Images by Use of Frequency Analysis
Keishi Mito,Hyoungseop Kim,Joo Kooi Tan,Seiji Ishikawa,Tatsuro Tanaka,Yasuhiro Morimoto 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
CAD (Computer Aided Diagnosis) system that has 3-D viewer function to display the DICOM (Digital Imaging and Communication in Medicine) image has been developed in recent years. Now, the function of CAD system for artificial implant to which development is advanced includes the removal of artifact in the input DICOM image, region extraction of bone, major vessel, and nerve and mounting of function to presume place where implant is stricken. However, it is still required a software with high performance because of taking the processing time to do a series of operation before simulating by the strike of the implant on the operation on a clinical site. In this paper, we propose the function to extract the area of bone separately for teeth and mandibles automatically as addition to the system that can do a series of operation before simulating by the strike of the implant. In addition, we proposed also the function to extract each tooth separately. The main aim of this paper is to develop the integrative system for the dental screening that can be operated in a personal computer.