schreiber教授因發(fā)明pam系列調(diào)制葉綠素?zé)晒鈨x而獲得首屆光合作用協(xié)會(huì)(ispr)創(chuàng)新獎(jiǎng)
利用調(diào)制葉綠素?zé)晒饧夹g(shù),測(cè)量野外自然水體或培養(yǎng)的微藻樣品的光合作用(葉綠素?zé)晒庹T導(dǎo)加淬滅分析、光響應(yīng)曲線等),也可測(cè)量葉綠素含量,是進(jìn)行野外光合作用研究的良好工具。除了測(cè)浮游植物外,可擴(kuò)展探頭測(cè)量附著藻類或大型藻類。除了取水樣到樣品杯中測(cè)量外,可擴(kuò)展探頭進(jìn)行水下原位、連續(xù)測(cè)量,特別適合于連續(xù)監(jiān)測(cè)海洋、湖泊、水庫(kù)、河流等水體的葉綠素含量以及光合活性。
功能:
1)可單機(jī)操作,可連接電腦操作
2)可測(cè)葉綠素?zé)晒庹T導(dǎo)曲線并進(jìn)行淬滅分析
3)可測(cè)光響應(yīng)曲線和快速光曲線(rlc)
4)可測(cè)量水樣的量子產(chǎn)量(光合效率)和相對(duì)電子傳遞速率(光合速率)
5)51個(gè)內(nèi)置模式菜單,方便參數(shù)設(shè)置和標(biāo)準(zhǔn)測(cè)量
6)靈敏度高,檢測(cè)限為0.1 μg l-1 chl
7)三種配置:
系統(tǒng)i用于浮游植物研究;系統(tǒng)ii用于附著藻類和大型藻類研究;系統(tǒng)iii用于連續(xù)監(jiān)測(cè)水體光合作用
8)主機(jī)為通用控制單元pam-control,可擴(kuò)展為microscopy-pam和microfiber-pam
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通用控制單元pam-control |
測(cè)量參數(shù):
fo、fm、fv/fm、f、fm"、δf/fm"、fo"、qp、qn、npq、retr和par等。
應(yīng)用領(lǐng)域:
水生生物學(xué)、水域生態(tài)學(xué)、海洋學(xué)、湖沼學(xué)、微藻生理學(xué)、微藻抗逆性、水質(zhì)管理、飲用水源監(jiān)測(cè)、極地藻類研究、環(huán)境科學(xué)、生態(tài)毒理學(xué)等。
| 系統(tǒng)組成 | |
系統(tǒng)i 浮游植物版 | 系統(tǒng)ii 附著藻類/大型藻類版 | 系統(tǒng)iii 連續(xù)監(jiān)測(cè)版 |
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野外現(xiàn)場(chǎng)自然水體的光合作用檢測(cè)、葉綠素含量測(cè)定;室內(nèi)培養(yǎng)的微藻樣品的生理特性研究等。 | 野外現(xiàn)場(chǎng)附著藻類(如底泥中的藻類)、大型海藻的光合活性測(cè)量;室內(nèi)大型海藻生理特性研究。 | 野外現(xiàn)場(chǎng)水體光合活性、葉綠素含量的連續(xù)測(cè)定,包括垂直梯度分布和橫向分布。 |
可選附件1:攪拌器,可置于系統(tǒng)i的上部對(duì)水樣進(jìn)行攪拌,帶內(nèi)置電池 | | |
可選附件2:球狀微型光量子探頭,可放入系統(tǒng)i的樣品杯中測(cè)量par,也可放入水面下測(cè)量水體光場(chǎng)
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技術(shù)參數(shù):
測(cè)量光:紅色led,650 nm,zui大光強(qiáng) <1 μmol m-2 s-1
光化光:紅色led,660 nm,zui大光強(qiáng)2000 μmol m-2 s-1 par
飽和脈沖:紅色led,660 nm,光強(qiáng)4000 μmol m-2 s-1 par
遠(yuǎn)紅光:led,730 nm
信號(hào)檢測(cè):光電倍增管,檢測(cè)波長(zhǎng) > 710 nm,選擇性鎖相放大器(設(shè)計(jì)),過(guò)載保護(hù)功能
部分文獻(xiàn)
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