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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Differential dynamic microscopy ： ウィキペディア英語版 Differential dynamic microscopy Differential dynamic microscopy Differential dynamic microscopy (DDM) is an optical technique that allows performing light scattering experiments by means of a simple optical microscope.〔R. Cerbino, V. Trappe, "Differential dynamic microscopy: Probing wavevector-dependent dynamics with a microscope", Phys. Rev. Lett. 100, 188102 (2008), http://dx.doi.org/10.1103/PhysRevLett.100.188102〕〔F. Giavazzi, D. Brogioli, V. Trappe, T. Bellini, R. Cerbino, "Scattering information obtained by optical microscopy: Differential Dynamic Microscopy and beyond", Phys. Rev. E 80, 031403 (2009), http://dx.doi.org/10.1103/PhysRevE.80.031403〕 DDM is suitable for typical soft materials such as for instance liquids or gels made of colloids, polymers and liquid crystals but also for biological materials like bacteria and cells. ==The basic idea== The typical DDM data is a time sequence of microscope images (movie) acquired at some height within the sample (typically at its mid-plane). If the image intensity is locally proportional to the concentration of particles or molecules to be studied (possibly convoluted with the microscope point spread function (PSF)), each movie can be analyzed in the Fourier space to obtain information about the dynamics of concentration Fourier modes, independent on the fact that the particles/molecules can be individually optically resolved or not. After suitable calibration also information about the Fourier amplitude of the concentration modes can be extracted. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Differential dynamic microscopy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.