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A unique off-on near-infrared cyanine-based probe for imaging of endogenous alkaline phosphatase activity in cells and in vivo 期刊论文
SENSORS AND ACTUATORS B-CHEMICAL, 2018, 卷号: 265, 页码: 565-574
作者:  Gao, Zhiwei;  Sun, Jingya;  Gao, Min;  Yu, Fabiao;  Chen, Lingxin;  Chen, Qingguo
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Alkaline phosphatase  Fluorescent probes  Near-infrared fluorescence  In vivo imaging  
Importance of Considered Organic Versus Inorganic Source of Carbon to Lakes for Calculating Net Effect on Landscape C Budgets 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 2018, 卷号: 123, 期号: 4, 页码: 1302-1317
作者:  Lu, Weiqi;  Wang, Shilu;  Yeager, Kevin M.;  Liu, Fang;  Huang, Qiangsheng;  Yang, Yuxue;  Xiang, Peng;  Lu, Yingchun;  Liu, Cong-qiang
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RIPARIAN-STREAM CONTINUUM  BOREAL LAKES  SOIL RESPIRATION  GUIZHOU PROVINCE  UNITED-STATES  CO2 EMISSIONS  INLAND WATERS  ARCTIC LAKES  CATCHMENT  FLUXES  
烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系 期刊论文
海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97
作者:  姜明;  赵国强;  李兆冉;  盛彦清
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还原性无机硫  活性铁  深层柱状沉积物  硫化度  矿化度  Reduced inorganic sulfur  Reactive iron  Deep core sediments  Degree of pyritization  Degree of sulfidity  The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer  reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.