FL3500水下原位叶绿素荧光仪

FL3500水下原位叶绿素荧光仪设计用来测量水下生物荧光的——水下植物，珊瑚或者海藻。用于测量的水下探头配有用于水下操作的特殊支架�?*测量深度为水上�/span>1m、�/span>其光学测量头内置3练�/span>LED光源咋�/span>1�?/span>500 kHz/16佌�/span> AD转换皃�/span>PIN二极管信号检测器、�/span>AD转换的增益和积分时间可以通过软件控制。检测器测量叶绿素荧光信号的时间分辨率可高达4��s、�/span>

应用领域

��植物光合特性和代谢紊乱筛逈�/span>

��生物和非生物胁迫的检浊�/span>

��植物抗胁迫能力或者易感性研穵�/span>

��代谢混乱研究

��长势与产量评�?/span>

��植物——微生物交互作用研究

��植物——原生动物交互作用研穵�/span>

典型样品

��藻类、浮游植�?/span>

��沉水或浮水植物叶牆�/span>

��珊瑚筈�/span>

功能特点９�/span>

��具备双通道测量控制，可以与各种测量单元如标准版、快速版、叶夹式及水下测量头等配合使用，各版本的测量头可互换使用

��内置多种可用户自行修改的测量程序，涵盖目前国际上对于叶绿素荧光的各种一般性研究和深入机理研究

��配备水下式探头，可在**1籲�/span>深的水下进行水体植物叶绿素荧光的原位测量

技术参数：

��实验程序：叶绿素荧光诱导测量：�/span>PAM（脉冲调制）测量：�/span>OJIP快速荧光动力学测量：�/span>QA‒�/span>再氧化动力学：�/span>S状态转换；叶绿素荧光淬�?/span>

• 荧光参数９�/span>F₀＋�/span>Fm＋�/span>Fv＋�/span>F₀‘�span>＋�/span>Fm‘�span>＋�/span>Fv‘�span>＋�/span>QY(II)＋�/span>NPQ＋�/span>��PSII＋�/span>Fv/Fm＋�/span>Fv�?Fm‘�span>＋�/span>Rfd＋�/span>qN＋�/span>qP＋�/span>ETR筈�/span>50多项叶绿素荧光参数与图像：�/span>OJIP曲线不�/span>F₀�?/span>FJ�?/span>Fi�?/span>Fm�?/span>Fv�?/span>VJ�?/span>Vi�?/span>Fm / F₀�?/span>Fv / F₀�?/span>Fv / Fm�?/span>M0�?/span>Area�?/span>Fix Area�?/span>SM�?/span>SS�?/span>N�?/span>Phi_P₀�?/span>Psi_₀�?/span>Phi_E₀�?/span>Phi_D₀�?/span>Phi_Pav�?/span>ABS / RC�?/span>TR₀/ RC�?/span>ET₀/ RC�?/span>DI₀/ RC筈�/span>20多项相关参数

��时间分辨率（采样频率）：高灵敏度检测器，时间分辨率辽�/span>4��s

��控制单元：双通道通用高度精确性自动微处理器，可以与各种测量单元如标准版、快速版、叶夹式及水下测量头等配合使用（无需另行购买控制单元（�/span>

��测量光闪：标准为波长617nm的橙光或455nm的蓝光，光闪时间2‒�/span>5��s

��单翻转饱和光闪：标准光源丹�/span>630nm的红光，光闪时间20‒�/span>50��s

��持续光化学光：标准为630nm的红光，**光强1500 ��mol(photons)/m2.s

��每组lED光源强度和时间可通关软件调控，同时光源可根据研究要求选配

��**测量水深９�/span>1m

��FluorWin软件：定义或创建实验方案、光源控制设置、数据输出、分析处理和图表显示

典型应用：荧光诱导过程分枏�/span>

产地：捷兊�/span>

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��Binding Stoichiometry and Affinity of the Manganese–Stabilizing Protein Affects Redox Reactions on the Oxidizing Side of Photosystem II. JL Roose� et al� 2011. Biochemistry