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FL3500/LC叶夹式叶绿素荧光测量?/span>
FL3500叶绿素荧光测量仪是专门用于对蓝绿藻或绿藻等微藻,叶绿体或类囊体悬浮物,乃至叶片进行光合作用研究的强大科研工具。仪器具备双通道测量控制,可控制测量样品的温度,并配备单翻转光(STF),内置多种可用户自行修改的测量程序,可进行目前国际上对于叶绿素荧光的各种深入机理研究、/span>
FL3500/LC叶夹式叶绿素荧光测量仪配备专用的叶夹式测量单元,测量区域直径丹/span>12.7mm(0.5 inch)。叶夹式测量单元可以无损地夹持叶片进行测量,而且不会使叶片脱离其原来的微环境。全部所需的光源与检测器都内置在测量单元进行直接测量,避免了一般的荧光仪使用光纤造成检测光信号的衰减、/span>
应用领域9/span>
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
光合系统工作机理研究
受胁迫植物光合生理应对策略研穵/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
配备叶夹式探头,可快速简便地测量各种叶片的叶绿素荧光参数
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>4s
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>5s
单翻转饱和光闪:标准光源丹/span>630nm的红光,光闪时间20‒/span>50s
持续光化学光:标准为630nm的红光,**光强1500 mol(photons)/m2.s:/span>
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
测量面积9/span>直径丹/span>12.7mm(0.5 inch)
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
产地:捷兊/span>
参考文献:
Functioning of the Bidirectional Hydrogenase in Different Unicellular Cyanobacteria Kiss et al 2013. Research for Food Fuel and the Future
Excess Ca2+does not alleviate but increases the toxicity of Hg2+to photosystem II inSynechocystissp.(Cyanophyta) D Zhang et al 2013. Ecotoxicology and environmental safety
Inhibition of the Water Oxidizing Complex of Photosystem II and the Reoxidation of the Quinone Acceptor QA? by Pb2+ A Belatik et al 2013. PloS one
Destabilization of the Oxygen Evolving Complex of Photosystem II by Al3+ I Hasni et al 2013. Photochemistry and Photobiology
Effects of Sb (V) on growth and chlorophyll fluorescence ofMicrocystis aeruginosa(FACHB?05),S Wang et al 2012. Current Microbiology
Correlations between the temperature dependence of chlorophyll fluorescence and the fluidity of thylakoid membranes A Tovuu et al 2012. Physiologia Plantarum
Developmental Defects in Mutants of the PsbP Domain Protein5 inArabidopsis thaliana. JL Roose et al 2011. PloS one
Inhibition of photosystems I and II activities in salt stress–exposed Fenugreek (Trigonella foenum graecum). M Zaghdoudi et al 2011. Journal of Photochemistry and Photobiology B: Biology
Productivity correlated to photobiochemical performance of Chlorella mass cultures grown outdoors in thin–layer cascades. J Masojdek et al 2011. Journal of Industrial Microbiology & Biotechnology
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