schreiber教授因发明pam系列调制叶绿素荧光仪而获得首届光合作用协会(ispr)创新奖
利用调制叶绿素荧光技术,测量野外自然水体或培养的微藻样品的光合作用(叶绿素荧光诱导加淬灭分析、光响应曲线等),也可测量叶绿素含量,是进行野外光合作用研究的良好工具。除了测浮游植物外,可扩展探头测量附着藻类或大型藻类。除了取水样到样品杯中测量外,可扩展探头进行水下原位、连续测量,特别适合于连续监测海洋、湖泊、水库、河流等水体的叶绿素含量以及光合活性。
功能:
1)可单机操作,可连接电脑操作
2)可测叶绿素荧光诱导曲线并进行淬灭分析
3)可测光响应曲线和快速光曲线(rlc)
4)可测量水样的量子产量(光合效率)和相对电子传递速率(光合速率)
5)51个内置模式菜单,方便参数设置和标准测量
6)灵敏度高,检测限为0.1 μg l-1 chl
7)三种配置:
系统i用于浮游植物研究;系统ii用于附着藻类和大型藻类研究;系统iii用于连续监测水体光合作用
8)主机为通用控制单元pam-control,可扩展为microscopy-pam和microfiber-pam
|
通用控制单元pam-control |
测量参数:
fo、fm、fv/fm、f、fm"、δf/fm"、fo"、qp、qn、npq、retr和par等。
应用领域:
水生生物学、水域生态学、海洋学、湖沼学、微藻生理学、微藻抗逆性、水质管理、饮用水源监测、极地藻类研究、环境科学、生态毒理学等。
| 系统组成 | |
系统i 浮游植物版 | 系统ii 附着藻类/大型藻类版 | 系统iii 连续监测版 |
| | |
野外现场自然水体的光合作用检测、叶绿素含量测定;室内培养的微藻样品的生理特性研究等。 | 野外现场附着藻类(如底泥中的藻类)、大型海藻的光合活性测量;室内大型海藻生理特性研究。 | 野外现场水体光合活性、叶绿素含量的连续测定,包括垂直梯度分布和横向分布。 |
可选附件1:搅拌器,可置于系统i的上部对水样进行搅拌,带内置电池 | | |
可选附件2:球状微型光量子探头,可放入系统i的样品杯中测量par,也可放入水面下测量水体光场
| | |
技术参数:
测量光:红色led,650 nm,zui大光强 <1 μmol m-2 s-1
光化光:红色led,660 nm,zui大光强2000 μmol m-2 s-1 par
饱和脉冲:红色led,660 nm,光强4000 μmol m-2 s-1 par
远红光:led,730 nm
信号检测:光电倍增管,检测波长 > 710 nm,选择性锁相放大器(设计),过载保护功能
部分文献
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