(光谱)SM9000光谱仪

  • 2022-10-17 12:05:51
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今天,中华干燥网小敏给大家介绍一下(光谱)SM9000光谱仪,以下(光谱)SM9000光谱仪的内容是小敏网上整理,希望对您有用。

SM9000光谱仪是一种高分辨率光纤光谱测量仪,测量范围涵盖紫外光、可见光乃至近红外波段。SM9000既可以单独使用,也可以与FKM多光谱荧光动态显微成像系统、FL3500双调制叶绿素荧光仪等仪器联用,测量各种荧光的光谱组成。由于其具备超高的灵敏度,甚至可以测量单个细胞激发荧光的光谱。每秒可记录100组16bits分辨率的光谱数据。

功能特点:

超高灵敏度,可检测单个细胞的荧光光谱超高分辨率,可检测10μs - 10ms的闪光采集频率达100次/秒,可检测动态光谱积分时间从1毫秒到数分钟可调模块化设计,小巧耐用,热稳定性高产热量极低

技术参数:

光谱范围:200 - 980nm分辨率:可检测10μs - 10ms的闪光采集频率:100次/秒积分时间:1毫秒到数分钟可调光学入口:直径0.5,数值孔径(NA)=0.22,可拆卸SMA接头入射狭缝:70µm×1400µm光栅:平场型校正波长精确度:< 0.5nm再现性:< 0.1nm温度漂移:< 0.01nm/K像素光谱距离:0.8nmFWHM半高宽:3 - 4nm杂散光:0.1%(氙灯340nm测量)CCD阵列像素数:1044×64像素尺寸:24×24mm2系统数据:16Bit模数转换可联用仪器:FKM多光谱荧光动态显微成像系统、FL3500双调制叶绿素荧光仪等

与FKM多光谱荧光动态显微成像系统联用的SM9000

应用案例:

与FKM系统联用研究铜指示植物海州香薷Elsholtzia splendens的叶绿素荧光及其光谱组成(Peng,2013,Environ. Sci. Technol)

与FL3500系统联用研究蓝隐藻Guillardia theta的叶绿素荧光及其光谱组成(Cheregi,2015,Journal of Experimental Botany)

产地:欧洲

参考文献:

Bernát G, et al. 2017. On theorigin oftheslow M–T chlorophyll a luorescence decline incyanobacteria: interplay ofshort-term light-responses. Photosynthesis Research, DOI 10.1007/s11120-017-0458-8Selyanin V, et al. 2016. The variability of light-harvesting complexes in aerobic anoxygenic phototrophs. Photosynthesis research, 128(1): 35-43Tilstone G, et al. 2016. Effect of CO2 enrichment on phytoplankton photosynthesis in the North Atlantic sub-tropical gyre. Progress in Oceanography, 158: 76-89Mishra K B, et al. 2016. Plant phenotyping: a perspective. Indian Journal of Plant Physiology, 21(4): 514-527Cheregi O, Kotabová E, Prášil O, et al. 2015. Presence of state transitions in the cryptophyte alga Guillardia theta . Journal of Experimental Botany, 66: 6461-6470Li G, Brown C M, Jeans J A, et al. 2015. The nitrogen costs of photosynthesis in a diatom under current and future pCO2. New Phytologist, 205:533-543Kotabová E, Jarešová J, Kaňa R, et al. 2014. Novel type of red-shifted chlorophyll a antenna complex from Chromera velia. I. Physiological relevance and functional connection to photosystems. Biochimica et Biophysica Acta – Bioenergetics, 1837:734-743Šebela D, Olejníčková J, Sotolář R, et al. 2014. The slow S to M fluorescence rise in cyanobacteria is due to a state 2 to state 1 transition. BBA , 1817: 1237-1247Peng H, et al. 2013. Toxicity and Deficiency of Copper in Elsholtzia splendens Affect Photosynthesis Biophysics, Pigments and Metal Accumulation. Environ. Sci. Technol., 47 (12): 6120-6128
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