主要功能
可測熒光誘導(dǎo)曲線并進(jìn)行淬滅分析
可測光響應(yīng)曲線和快速光曲線(RLC)
全部采用 LED 光源,全新觸摸屏設(shè)計
新增濕度測量功能,新增遠(yuǎn)紅光源
儀器更加便攜,適合野外測量
可通過微光纖與光合儀(如 GFS-3000)聯(lián)用
采用5號電池供電,備用電池易獲得,適合長期野外使用
測量參數(shù)
Fo, Fm, F, Fm', Fo’, Fv/Fm, Y(II) 即 ΔF/Fm', qP, qL, qN, NPQ, Y(NPQ), Y(NO), rETR, PAR、葉溫和相對濕度等。
應(yīng)用領(lǐng)域
研究光合作用機(jī)理、各種環(huán)境因子(光、溫、營養(yǎng)等)對植物生理生態(tài)的影響、植物抗逆性(干旱、冷、熱、UV、病毒、污染等)、植物的長期生態(tài)學(xué)變化等。
在植物生理學(xué)、植物生態(tài)學(xué)、植物病理學(xué)、農(nóng)學(xué)、林學(xué)、園藝學(xué)、水生生物學(xué)、環(huán)境科學(xué)等領(lǐng)域有著廣泛應(yīng)用。
主要技術(shù)參數(shù)
測量光:藍(lán)光 LED(470 nm)或紅光 LED(655nm),光強(qiáng) 0.05 μmol m-2 s-1。
光化光:藍(lán)光 LED(470 nm)或紅光 LED(655nm),最大連續(xù)光強(qiáng) 3000 μmol m-2 s-1。
飽和脈沖:藍(lán)光 LED(470 nm)或紅光 LED(655nm),最大閃光強(qiáng)度 6000 μmol m-2 s-1。
遠(yuǎn)紅光:發(fā)射峰值 740 nm。
信號檢測:PIN-光電二極管,帶長通和短通濾光片,帶選擇性鎖相放大器。
數(shù)據(jù)存儲:8M 存儲卡,可存儲 27000 組數(shù)據(jù)。
葉夾:2035-B 葉夾包含 MINI-PAM/ F 光纖放置口和樣品夾。葉夾上下兩部分打開后可以夾住葉片。夾子上面部分提供了一個直徑為 1 厘米圓形測量面積。光纖尖端與測量區(qū)域之間的標(biāo)準(zhǔn)距離為 8 mm。光纖與測量平面呈 60° 角。葉片溫度傳感器安裝在測量區(qū)域下方。濕度傳感器安裝在距離測量區(qū)域 3cm 的位置。內(nèi)置芯片保存?zhèn)鞲衅鞯男?zhǔn)數(shù)據(jù)。飽和脈沖可以通過遙控觸發(fā)按鈕被釋放。另外提供一個附加光傳感器輸入接口。PAR 測量范圍 0-7000 μmol m-2 s-1,葉片溫度測量范圍 -20 至 +60℃,濕度測量范圍 0-100%RH。
供電:6 節(jié) AA(5 號 1.2 V/2 Ah)可充電電池,充電一次可供 1000 次飽和脈沖閃光。
選購指南
一、高等植物葉片測量基本款
系統(tǒng)組成:主機(jī),光纖,光適應(yīng)葉夾,暗適應(yīng)葉夾,軟件等
注意:高等植物葉片紅光版和藍(lán)光版(推薦)主機(jī)可選其一
高等植物葉片測量基本款 |
二、懸浮樣品測量基本款
系統(tǒng)組成:主機(jī),光纖,懸浮樣品室,磁力攪拌器,光纖測氧儀(選配),軟件等
注意:藻類測量時,建議選擇紅光版主機(jī)
懸浮樣品測量基本款 |
初始界面 | 基本測量結(jié)果顯示界面 | 詳細(xì)參數(shù)顯示界面 |
實時熒光顯示界面 | 慢速誘導(dǎo)動力學(xué)曲線界面 | 快速光曲線顯示界面 |
三、其他可選附件
外置 LED 光源:2054-L。
可以連接到 2035-B 葉夾上提供外置光化光,紅綠藍(lán)白 4 色,最大激發(fā)波長分別為 630 nm 紅光, 520 nm 綠光, 452 nm 藍(lán)光和波長范圍 450nm-680nm 的白光。每種波長的光標(biāo)準(zhǔn)最大光強(qiáng)為 1500μmol m-2 s-1 連接外部供電裝置情況下,整體最大光強(qiáng)可達(dá) 6000μmol m-2 s-1 顏色組合可以自由選擇。
90 度角光纖適配器:2030-B90 。
安裝在 2030-B 或 2060-B 上,使光纖與樣品成 90 度角。
微型光量子/溫度傳感器:2065-M。
測量 PAR 和溫度,可連接 MINI-PAM 后獨(dú)立使用,多與 2060-B 結(jié)合使用。
大樣品表面光纖固定支架:2060-A。
將光纖固定在較大樣品的表面(非葉片),與 2065-M 結(jié)合使用。
擬南芥葉夾:2060-B。
60 度角光適應(yīng)葉夾,與獨(dú)立微型光量子/溫度傳感器 2060-M 連用進(jìn)行測量,特別適于測量擬南芥類小葉片。需配置 2060-M。
微光纖:MINI-PAM/F1。
直徑 2 mm,長 1.5 m,用于測量小樣品。包括連接到 2035-B 的適配器。
應(yīng)用示例
產(chǎn)地:德國WALZ
參考文獻(xiàn)
數(shù)據(jù)來源:光合作用文獻(xiàn) Endnote 數(shù)據(jù)庫,更新至 2021 年 1 月,文獻(xiàn)數(shù)量超過 10000 篇
原始數(shù)據(jù)來源:Google Scholar
注:MINI-PAM-II 為 MINI-PAM 新升級產(chǎn)品,更多文獻(xiàn)可參考 MINI-PAM 文獻(xiàn)目錄
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