黄素腺嘌呤二核苷酸溶液中超快吸收光谱检测方案(低温恒温器)

The Business of Science" OptistatDry Shining a new light on optical spectroscopy OptistatDry-3 KCryofree@ cryostat， for awide range of spectroscopy applications Versatile Ideally suited for UV/VIS， Raman， FTIR，Fluorescence，Photoluminescence， Micro-PL，Terahertz， Microscopy，Electroluminescence ●A wide range of different wiring options OptistatDry ·Compatible with all optical benches： theoptional support stand has feet matchingboth imperial and metric fixings Upgradeable Flexible wiring options Optical excellence Large clear optical access and f1 as standard Optimum transmission： only one windowrequired per optical access No need to realign the optics after eachsample change Simple to use ● No liquid cryogen required ●Easy sample loading via the load port Quick and easy to change windows in yourlab to suit different wavelengths Easy electrical connections to your sampleswith puck style sample holders Why choose OptistatDry? Wide sample temperature range from<3 K to 300 K VWater and air-cooled compressors available Low vibration when used in conjunction with the optionalstand， typically less than 10 um RMS Large sample space enables studies of samples with a widerange of different geometries and sizes Low running costs Optimised optical access with f1 and a clear view of 28 mmdiameter allows a large illumination area for measurementsinvolving the detection of low intensity light Specifications Sample temperature range <3-300K Measured temperature stability ±0.1K Cool down time from ambient to 4.2 K < 160 minutes at 50 Hz Typical cooling power 0.2 W at 4.2 K Optical access 28 mm diameter clear view， f1 Visit www.oxinst.com/optistatdry or email nanoscience@oxinst.com Main service locations： UK， USA， Germany， China， Japan and India @ Oxford Instruments Nanotechnology Tools Ltd， 2018. The Business of Science" 黄素蛋白在酶催化、光合作用、DNA修复中有重要作用，但是其辅助因子与光子相互作用的动力学过程缺乏充分研究，尤其是随温度的演化。利用牛津仪器的干式恒温器 Optistat Dry 配合超快激光器、光谱仪的组合，可以得到高信噪比的黄素蛋白辅助引子的吸收谱温度演化。Optistat Dry 的低震动、易偶合特性，为获得高质量光谱提供了可靠的变温环境，实践表明，利用上述系统组合，可以在液氦温度（4 K）至室温区间 （300K）获得连续稳定的高质量光谱，光谱时间分辨率达到470飞秒。