Enhanced gas and temperature control for the li-cor 6400

li-cor 6400 的增强型气体和温度控制

• 批准号: 345001-2007
• 负责人: Sage, Rowan
• 金额: $ 1.02万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments - Category 1 (<$150,000)
• 财政年份: 2006
• 资助国家: 加拿大
• 起止时间: 2006-01-01 至 2007-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=325572
• 关键词: Enhanced; gas; temperature; control; li

The proposal requests $14,000 to build a portable, gas delivery apparatus (The "GasCon"), and a temperature control system to enhance the environmental control of the Li-Cor 6400 gas exchange system used for photosynthesis and respiration studies.  The GasCon will allow us to precisely deliver air of known O2 and CO2 concentration to the Li-COR 6400 apparatus.  This is necessary for a range of gas exchange experiments where we need to vary the concentration of O2, and for experiments where extremely low CO2 control is required.  The temperature control system consists of a high-precision, refrigerated water bath and two thermal control blocks that will extend the thermal control by the Li-6400 to between 5°C and 45°C. This will allow us to evaluate the temperature response of photosynthesis across the physiologically relevant range. The water bath will also provide the precise temperature control needed for humidity calibration of gas exchange equipment, and psychrometric assessments of plant water status.  The equipment will be portable, enabling use in locations away from my lab at the University of Toronto. With it, my lab will be able to pursue discovery-based research into the physiological mechanisms that determine the response of plants to climate change and atmospheric CO2 enrichment.

该提案要求14，000美元建造一个便携式气体输送装置（The“GasCon”），以及一个温度控制系统，用于增强用于光合作用和呼吸研究的Li-Cor 6400气体交换系统的环境控制。GasCon将使我们能够精确地将已知O2和CO2浓度的空气输送到Li-COR 6400设备。这对于我们需要改变O2浓度的一系列气体交换实验以及需要极低CO2控制的实验是必要的。温度控制系统由高精度，冷冻水浴和两个热控制块，将Li-6400的热控制扩展到5°C和45°C之间。这将使我们能够评估光合作用在生理相关范围内的温度响应。水浴还将提供气体交换设备湿度校准所需的精确温度控制，以及工厂水状态的湿度评估。该设备将是便携式的，可以在远离我在多伦多大学的实验室的地方使用。有了它，我的实验室将能够对决定植物对气候变化和大气CO2富集的反应的生理机制进行基于发现的研究。