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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>系统同时提供荧光光度测量与单个细胞的几何测量功能，可快速实时记录和同步测量细胞的钙等离子浓度变化和物理收缩，让研究人员获得细胞的长度和肌节与钙的实时的同步数据，优胜于使用一般的荧光系统、�/p><p><span> 系统可配置两种不同的激发光源。包括单丶双激发，和双发射光度法以覆盖所有荧光探头，而采样率能达�?000Hz。系统配置的CCD 能以1000Hz的采样率测量细胞尺寸，包括同步的细胞长度和肌小节长度的记录。荧光系统接口容许多� 4信道� 12位模拟数据同步采集，预设的采样率�?000Hz� </span></p><p><strong>技术特点：</strong></p><p><span> 收缩采集频率� 240Hz</span></p><p><span> 荧光采集频率� 单荧光：1000Hz </span></p><p><span> 双荧光：250Hz</span></p><p><span> 三种不同类型的荧光： </span></p><p><span> 双激发单发射测量：Fura-2 </span></p><p><span> 单激发双发射测量：Indo-1 </span></p><p><span> 单激发单发射测量：Fluo-3/4</span></p><p><span> 程控电刺激９�/span></p><p><span> 数据实时屏幕呈现 </span></p><p><span> 背景荧光自动消除 </span></p><p><span> 瞬变幅度与动力学分析 </span></p><p><span> 原始数据多种格式输出 </span></p><p><strong><span>软件功能:</span></strong></p><p><span> * 采集率：细胞长度和肌小节�?000Hz� 单激发钙�?000Hz；标准双激发钙�?50Hz</span></p><p><span> * 单独的采集时间周期定义为'epochs'，每个都可以包括独立采样率和模拟数据，可以在'epochs'中无缝切捡�/p><p> 自动或触叐�/span></p><p><span> * 细胞长度算法利用图像强度或图像强度导数检测左、右边缘、�/span></p><p><span> * 肌小节测量采用可靠快速傅里叶变换算法� 可重复的实时测量</span></p><p><span> * 同时采集模拟监测电压和同步信号（e.g.pacing sync（�/span></p><p><strong><span>� � � �?/span></strong></p><p><span> * 细胞收缩和舒张阶段达到的Max�?小速率</span></p><p><span> * Peak height:峰高�?的基�?e.g. % shortening for length data)</span></p><p><span> * 达峰时间、回归时�?e.g. TP90 and TR90)</span></p><p><span> * Exponential ?t:单指数曲线拟合和相关时间常数�?#964;� 有助于表达钙再摄取率</span></p><p><span> * 曲线下面�?测量总钙交换、�/span></p><p><span> * Event averaging:去除重复信号噪声的平均数�?/span></p><div></div> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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