主要功能

• 成像功能：對 Ft、Fo、Fm、Fv/Fm、F、Fm’、Y(II)、Y(NO)、Y(NPQ)、NPQ、qN、qP、qL、ETR、Abs.、NIR、Red 等至少 17 種參數(shù)進行成像分析。測定調(diào)節(jié)性能量耗散 Y(NPQ)，反映植物光保護能力，測定非調(diào)節(jié)性能量耗散Y(NO)，反映植物光損傷程度。

• 程序測量功能：可程序測量熒光誘導(dǎo)曲線、快速光曲線和暗弛豫，也可手動測量；在測量過程中能自動分析所有熒光參數(shù)的變化趨勢

• AOI 功能：可在測量前或測量后任意選擇感興趣的區(qū)域（AOI），程序?qū)⒆詣訉x擇的 AOI 的數(shù)據(jù)進行變化趨勢分析，并在報告文件中顯示相關(guān) AOI 的數(shù)據(jù)。所有報告文件中顯示的數(shù)據(jù)都可導(dǎo)出到 EXCEL 文件中。

• 成像異質(zhì)性分析功能：對任意參數(shù)任意時間的成像，可在圖像上任意選取兩點，軟件自動對兩點間的數(shù)據(jù)進行橫向異質(zhì)性分析，并可導(dǎo)出到 EXCEL 文件中。

• 成像數(shù)據(jù)范圍分析功能：對任意參數(shù)任意時間的成像，可分析任意兩個熒光數(shù)值之間有多少個像素點，多少面積（cm²）。

• 突變株篩選功能：可跟據(jù)成像結(jié)果快速篩選光合、產(chǎn)氫/油、抗逆（抗鹽、抗旱、抗病等）等突變株。

• 微藻毒理研究功能：可同時測量 96 個微藻樣品（對照和處理組）的光合活性，軟件自動給出處理組樣品相對于對照組的光合抑制百分比。

• 吸光系數(shù)測量功能：快速測量葉片的吸光系數(shù)。吸光系數(shù)測量光源： 16 個紅光（650 nm）和 16 個近紅外（780 nm）LED，用于測量植物葉片或藻類樣品 PAR 吸光系數(shù)。

• 光強異質(zhì)性：測量區(qū)域光強異質(zhì)性≤±2％
  

測量參數(shù)

Ft、Fo、Fm、Fv/Fm、F、Fm’、Y(II)、Y(NO)、Y(NPQ)、NPQ、qN、qP、qL、ETR、Abs.、NIR、Red 等。

應(yīng)用領(lǐng)域

• 光合作用研究：可以在完全相同的條件下同時對大量樣品進行成像

• 植物病理學(xué)：病斑部位（包括肉眼不可見時）成像以及病斑擴散的時空動力學(xué)

• 植物脅迫生 理學(xué)：肉眼不可見脅迫損傷的早期檢測

• 遺傳育種：出苗后大規(guī)模快速篩選高光合/抗旱/抗熱/抗凍/抗病等植株

• 突變株篩選：快速篩選模式植物的光合突變株、抗逆突變株、產(chǎn)氫微藻突變株等

• 微藻毒理學(xué)：不同毒物濃度多個重復(fù)的樣品一次測完，軟件自動計算抑制比率

• 分子生物學(xué)：宏觀水平上檢測樣品的綠色熒光蛋白（GFP）熒光

• 其它多種擴展研究

選購指南

一、熒光成像 MAXI 版

系統(tǒng)組成：通用型主機，LED 供電單元， LED 光源，CCD，數(shù)據(jù)線，軟件等。

注意：高等植物或真核藻類測量時選擇藍光光源（推薦），藍藻測量請選擇紅光光源。

二、熒光成像 MINI 版

系統(tǒng)組成：通用型主機（下圖中未顯示），LED 光源（如下圖），CCD，數(shù)據(jù)線，軟件等。

注意：高等植物或真核藻類測量時選擇藍光光源（推薦），藍藻測量請選擇紅光光源。

三、熒光成像 MICROSCOPY 版

系統(tǒng)組成：通用型主機，特制顯微鏡，CCD，數(shù)據(jù)線，軟件等。

產(chǎn)地：德國 WALZ

參考文獻

數(shù)據(jù)來源：光合作用文獻 Endnote 數(shù)據(jù)庫，更新至 2021 年 1 月，文獻數(shù)量超過 10000 篇

原始數(shù)據(jù)來源：Google Scholar

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