Study on Phase Formation Dynamics in Pseudo-Cell Space Measured by Time-resolved Microscope Spectroscopy

本课题的研究目的是完成以下内容：1.建立了在显微镜下模拟胶束或聚合物微胶囊形成的假细胞空间的方法.建立了将溶剂、液晶或聚合物混合物注入微操作器操作的假细胞空间的技术.我们将建立一个系统，通过显微图像、光谱学和时间分辨衰减曲线来测量伪胞空间中的相变现象.我们将建立一种分析方法来讨论伪胞腔空间中的相变现象。1997年，我们为该研究项目制作了实验系统，如显微镜下CCD摄像机图形控制我们原有的热分析仪，显微镜下DSC数据，显微镜下超快速时间分辨光谱等。为此，我们于1998年研制了本研究项目的分析系统，如显微镜下CCD图像的计算机分析、显微镜下时间分辨衰减曲线的计算机分析、显微镜下小分子在凝胶中扩散系数的分析等。研究了PNIPA凝胶的体积相变过程和准胞空间中液晶的结构相变过程。通过本研究，我们可以发现以下事实：1.在PNIPA凝胶的体积相变过程中，相分离过程是一个耦合过程，我们发现可以用幂律来分析这种现象.在PNIPA凝胶的体积相变过程中，存在两种类型的相畴.小分子的扩散系数随着PNIPA凝胶的收缩而减小，在本研究项目中，将有可能在伪胞空间中讨论其动力学机制。

The purpose of this research project was to perform these contents as follows ;1. We will establish the method which a pseudo-cell space made of micelle or polymer micro-capsule is sat up under microscope.2. We will establish the technique which solvent, liquid crtstal or polymer mixtures are poured into a pseudo-cell space operated by micromanipulator.3. We will establish the system which the phase transition phnomena in pseudo-cell space could be measured by microscope graphics, spectroscopy, and time-resolved decay curve.4. We will establish an analytical method in order to discuss the phase transition phenomena in pseudo-cell space. based on reaction field in pseudo-cell space.In 1997, we made the experimental system for this research project, for example, CCD camera graphics under microscope controlled our original theermo-controllor, DSC data under microscope, ultra-fast time-resolved spectrascopy under microscope, etc.. Hence in 1998, we made the analytical system for this research project, for example, computer analysis for CCD graphics under microscope, computer analysis for time-resolved decay curves under miceoscope, analysis of diffusion coefficient of small mollecules in gel under microscope, etc.. We studied to clarify the volume phase transition process of PNIPA gels and the structural phase transtion process of liquid crysstals in pseudo-cell space. At this research, we could find out the facts as follows ;1. In volume phase transition process of PNIPA gels, the phase separation process is coupling with one, We found out to be able to analyze this phenomenon using power law.2. In volume phase transition process of PNIPA gels, there are two type's domains.3. The values of diffusion coefficeint of a smaI molecule is decreasing with shrinking of PNIPA gels.In this research project, it will be possible to discuss the dynamical mechanism in pseudo-cell space.