背景

FMS系列能量代謝監(jiān)測系統(tǒng)方案作為SSI家族一款經(jīng)典、堅(jiān)固耐用、多用途的高精度高分辨率代謝測量主機(jī)，受到以各類昆蟲、實(shí)驗(yàn)動(dòng)物、小型及中大型野生動(dòng)物、家禽家畜、人體等為研究對象的生理學(xué)、生態(tài)健康、生物醫(yī)學(xué)科學(xué)家的極度青睞。FMS的再度升級(jí)改版，以更小體積、更大的數(shù)據(jù)儲(chǔ)存容量、智能化大觸摸屏、更簡化的操作、更合理的價(jià)格將再次引爆專注于實(shí)驗(yàn)研究科學(xué)家靈活機(jī)動(dòng)的創(chuàng)新性生物新陳代謝研究熱情。

應(yīng)用領(lǐng)域

野生動(dòng)物（含媒介動(dòng)物）適應(yīng)環(huán)境的行為、生理、進(jìn)化等研究

以實(shí)驗(yàn)動(dòng)物為模型的肥胖、心血管、糖尿病、衰老等健康研究

以家畜家禽等經(jīng)濟(jì)動(dòng)物為研究對象的營養(yǎng)學(xué)、溫室氣體排放等研究

以人體為研究對象的運(yùn)動(dòng)生理學(xué)、環(huán)境模擬生理學(xué)、特殊人群營養(yǎng)學(xué)等健康研究

技術(shù)特點(diǎn)

全新迷你型主機(jī)，堅(jiān)固的外殼，帶搬運(yùn)手柄，具有最大的便攜性，可在各種復(fù)雜野外環(huán)境條件下現(xiàn)場使用

面板32GB SD卡數(shù)據(jù)存儲(chǔ)允許即時(shí)存儲(chǔ)信息，而無需單獨(dú)的計(jì)算機(jī)

溫度氣壓自動(dòng)補(bǔ)償，消除環(huán)境溫度氣壓變化引起的誤差

8通道模擬信號(hào)輸入，可兼容其它分析儀或傳感器，4通道溫度輸入

超大觸摸屏實(shí)時(shí)顯示儀器各參數(shù)，可同時(shí)顯示氧氣、二氧化碳、水汽壓、大氣壓、相對濕度、模擬輸入信號(hào)、儲(chǔ)存大小、取樣情況、日期時(shí)間序列等數(shù)據(jù)

具備功能強(qiáng)大的擴(kuò)展端口，可以組成多通道或各種因素控制的全面新陳代謝監(jiān)測系統(tǒng)

具備電源線或鋰離子電池包（4.8 A-H），野外運(yùn)行時(shí)間至少6小時(shí)

技術(shù)指標(biāo)

1.傳感器：O2分析儀，燃料電池技術(shù)，使用壽命約2年，燃料電池可更換；CO2分析儀，無色散雙波長紅外氣體分析儀；水汽分析儀，薄膜電容傳感器

2.測量范圍：O2，0 - 100%；大氣壓，30-110 kPa；CO2，0 – 5%；水汽壓，0-100% RH（無凝結(jié)），溫度0-100°C

3.精度：O2：2-100%讀數(shù)的0.1%；CO2：0-5%讀數(shù)的1%；H2O：0-95% RH讀數(shù)的1%,95-100%優(yōu)于2%;溫度 0.2? C

4.分辨率：O2: 0.001%；CO2: 0.0001%-0.01%；H2O: 0.001%RH

5.信號(hào)漂移：溫度恒定的情況下O2: <0.02%每小時(shí)；CO2: <0.001%每小時(shí)；H2O: < 0.01%RH每小時(shí)

6.信號(hào)輸入：八個(gè)標(biāo)準(zhǔn)電壓雙極模擬輸入，四個(gè)溫度輸入

7.模擬輸出：O2, CO2, 2個(gè)自定義

8.數(shù)字控制輸出：8個(gè)TTL邏輯信號(hào)

9.數(shù)字輸出：USB 到RS-232，Sablebus快速接口

10.內(nèi)置存儲(chǔ)器：SD存儲(chǔ)卡，可達(dá)32GB

11.存儲(chǔ)時(shí)間間隔：0.1sec到1hr用戶自定義

12.氣流流量：10-1500mL/min

13.流量控制精度：讀數(shù)的2%

14.流量分辨率：0-99.9mL/min為0.1mL/min；100mL/min 以上為1mL/min

15.工作溫度：3-50 °C，無冷凝

16.供電：12-15 VDC，帶220V交流電適配器；可選配鋰電池供電，方便野外操作。

17.尺寸：35cm×30cm×15cm

18.重量：4kg

19.呼吸室和代謝測量方案定制（如下圖）

典型應(yīng)用一

Comparison of the CO2 ventilatory response through development in three rodent species: Effect of fossoriality，Sprenger R J, Kim A B, Dzal Y A, et al. Respiratory physiology & neurobiology, 2019, 264: 19-27.

典型應(yīng)用二

Greater energy demand of exercise during pregnancy does not impact mechanical efficiency，Denize K M, Akbari P, da Silva D F, et al. Applied Physiology, Nutrition, and Metabolism, 2019.

美國婦產(chǎn)科學(xué)院和加拿大的婦產(chǎn)科醫(yī)生協(xié)會(huì)發(fā)表了最新的孕婦活動(dòng)指南，建議孕婦進(jìn)行150分鐘中等強(qiáng)度運(yùn)動(dòng)以減少妊娠并發(fā)癥，有利于母體和嬰兒的健康。然而懷孕（嬰兒作為特殊負(fù)重）是如何影響孕婦的能量投入、活動(dòng)體能和機(jī)械效率的卻了解很少。該研究通過FMS便攜式能量代謝儀來定量化不同運(yùn)動(dòng)程序的能量消耗和機(jī)械效率。

產(chǎn)地

美國

部分參考文獻(xiàn)

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16.Noren D P, Holt M M, Dunkin R C, et al. Echolocation is cheap for some mammals: Dolphins conserve oxygen while producing high-intensity clicks[J]. Journal of experimental marine biology and ecology, 2017, 495: 103-109.

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