產品介紹：

       熒光光纖氧氣測量技術具有高精確度、高可靠性、響應時間短、適用于氣相和液相等優(yōu)勢，因此隨著技術的問世，精確、高通量測量微小生物的呼吸和評估其能量代謝成為可能。高通量呼吸測量系統(tǒng)基于熒光光纖氧氣測量技術，能夠對果蠅等微小型昆蟲、蟲卵、蛹、線蟲、土壤動物等微小型無脊椎動物進行測量，測定其耗氧量，進而評估其代謝水平。系統(tǒng)在昆蟲生理生態(tài)學、比較生物學、實驗生物學、污染生態(tài)學與環(huán)境毒理學、環(huán)境科學、氣候變化研究等領域具有越來越重要的應用價值。

果蠅卵、幼蟲、蛹、成蟲的耗氧率測定

左圖：果蠅卵、幼蟲、蛹耗氧率的比較；右圖：果蠅成蟲耗氧率（麻醉處理VS對照）

       系統(tǒng)由內置熒光光纖氧氣傳感器的微型呼吸室、氧氣測量主機及數(shù)據(jù)采集分析軟件組成，可對96個通道的樣品進行同步測量。

功能特點

· 氧氣測量高精度、高可靠性、低功耗、低交叉敏感性、快速響應時間

· 輕松校準

· 非侵入性和非破壞性測量

· 緊湊設計，適用于溫控培養(yǎng)箱和/或搖床

· 氣體氧和溶解氧均可測量

技術參數(shù)

1. 檢測技術：光纖氧傳感器技術。

2. 適用場景：原位檢測，可在培養(yǎng)箱里或搖床上使用，便于溫度控制。

3. 呼吸室：透明聚苯乙烯材質，支持預消毒處理，可重復使用。

4. 氧氣測量主機：單個重670 g，162 x 102 x 32 mm

5. 主機內置溫度傳感器：0-50°C，分辨率0.012°C，精度±0.5°C

6. 主機內置壓強傳感器：300-1100mbar，分辨率0.11mbar，精度±6mbar

7. 蕞大采樣頻率：單通道激活時可達10-20次每秒

8. 氧氣測量精度：±0.1% O2@1% O2或±0.05 mg/L@0.44 mg/L

9. 氧氣測量分辨率：0.01% O2@1% O2或0.005 mg/L@0.44 mg/L

10. 電源：5VDC，USB供電

11. 響應時間＜30s

12. 通道數(shù)：96

左圖：封閉呼吸室中的苜蓿切葉蜂子脾和蛹；右圖：高通量呼吸系統(tǒng)和傳統(tǒng)呼吸測量法的結果比較

苜蓿切葉蜂耗氧率（V?O2）隨溫度的變化曲線

參考文獻

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