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中国地质大学科学技术发展院平宏伟,陈红汉等.资源学院/构造与油气资源教育部重点实验室.AAPG Bulletin(2020).Quantitatively predicting the thermal maturity of oil trapped in fluid inclusions based on fluorescence and molecular geochemical data of oil inclusions in the Dongying depression, Bohai Bay Basin, China
荧光；光谱约束；单一期次；油包裹体分子；成分；分析技术
2021/10/15
近日，中国地质大学资源学院陈红汉教授团队平宏伟教授在国际顶级石油地质期刊《AAPG Bulletin》上刊发研究成果，利用荧光光谱约束的单一期次油包裹体分子成分分析技术，结合烃源岩生排烃过程荧光演化模型，建立了东营凹陷油包裹体荧光颜色与其热成熟度的定量关系，实现了利用油包裹体荧光特征对单个油包裹体热成熟度的定量预测。
THE REGIONAL DIFFERENCES OF GPP ESTIMATION BY SOLAR INDUCED FLUORESCENCE
Gross primary productivity Solar-induced chlorophyll fluorescence, Temperature Precipitation Simple linear regression analysis Determination coefficient
2018/5/15
Estimating gross primary productivity (GPP) at large spatial scales is important for studying the global carbon cycle and global climate change. In this study, the relationship between solar-induced c...
Proteins’ Fluorescence A Little Less Mysterious（图）
Proteins Fluorescence Little Less Mysterious
2018/2/1
Rice University scientists have effectively quenched a debate over the mechanism behind a fluorescent biosensor that monitors neurons by sensing changes in voltage.The work led by Rice theoretical che...
Anomalous Negative Fluorescence Anisotropy in Yellow Fluorescent Protein (YFP 10C):Quantitative Analysis of FRET in YFP Dimers
Alzheimer's disease Amyloid beta 40 peptide Human serum albumin Circular dichroism Dissociation constant alpha-Helix
2016/5/25
Yellow fluorescent protein (YFP) is widely used as a genetically encoded fluorescent marker in biology. In the course of a comprehensive study of this protein, we observed an unusual, negative fluores...
Variable Incidence Angle Fluorescence Interference Contrast Microscopy for Z-Imaging Single Objects
Incidence Angle Fluorescence Microscopy Z-Imaging Single Objects
2016/5/24
Surface-generated structured illumination microscopies interrogate the position of fluorescently labeled objects near surfaces with nanometer resolution along the z axis. However, these techniques are...
Enhancement of the Fluorescence of the Blue Fluorescent Proteins by High Pressure or Low Temperature
Enhancement Fluorescence Blue Fluorescent Proteins High Pressure Low Temperature
2016/5/24
Green fluorescent proteins bearing the Y66H mutation exhibit strongly blue-shifted fluorescence excitation and emission spectra. However, these blue fluorescent proteins (BFPs) have lower quantum yiel...
Probing the Structure of Supported Membranes and Tethered Oligonucleotides by Fluorescence Interference Contrast Microscopy
Water Oligonucleotides Microscopy, Fluorescence Microscopy, Interference Membranes, Artificial Sensitivity and Specificity Surface Properties Models, Chemical Silicon Dioxide
2016/5/24
Fluorescence interference contrast microscopy (FLIC) is a powerful method to structurally characterize fluorescent objects with nanometer-scale resolution in the z direction. Here we use FLIC to chara...
Early Steps of Supported Bilayer Formation Probed by Single Vesicle Fluorescence Assays
Adsorption Diffusion Lipid Bilayers Lipid Bilayers Liposomes Membrane Fluidity Membrane Fusion Membranes,Artificial Microscopy,Fluorescence,Multiphoton Motion Phosphatidylcholines Phosphatidylserines Xanthenes
2016/5/24
We have developed a single vesicle assay to study the mechanisms of supported bilayer formation. Fluorescently labeled, unilamellar vesicles (30-100 nm diameter) were first adsorbed to a quartz surfac...
High refractive index substrates for fluorescence microscopy of biological interfaces with high z contrast
Oxides Niobium Silicon Dioxide Xanthenes Lipid Bilayers Phosphatidylcholines Phosphatidylethanolamines Fluorescent Dyes Microscopy, Fluorescence Image Enhancement
2016/5/23
Total internal reflection fluorescence microscopy is widely used to confine the excitation of a complex fluorescent sample very close to the material on which it is supported. By working with high ref...
Oscillations in the Spontaneous Fluorescence from the Photosynthetic Reaction Centers
inorganic,organic,physical and analytical chemistry basic biological sciences solar energy photosynthetic reaction centers fluorescence chlorophyll electron transfer oscillations photosynthetic bacteria stimulated emission
2016/5/23
The spontaneous fluorescence from the special pair primary electron donor in bacterial photosynthetic reaction centers has been measured at low temperature using fluorescence up-conversion following e...
The Effect of Very High Magnetic Fields on the Delayed Fluorescence from Photosynthetic Reaction Centers
Reactioncenter Photosynthesis Bacterialphotosynthesis Delayedfluorescence Magneticfieldeffect (Rb. sphaeroides)
2016/5/23
Delayed fluorescence is observed from quinone-depleted Rhodobacter sphaeroides reaction centers due to re-formation of the excited state of the special pair electron donor from the initially formed ra...
Structure-Based Analysis of the Initial Electron Transfer Step in Bacterial Photosynthesis: Electric Field Induced Fluorescence Anisotropy
Fluorescence Electric fields Electron transfer Transfer reactions Anisotropy
2016/5/20
The fluorescence intensity from randomly oriented, immobilized Rb. sphaeroides reaction centers at 77 K increases in the presence of an externally applied electric field. We have proposed that this in...
Electric Field Modulation of the Fluorescence Spectrum from Rhodobacter Sphaeroides Reaction Centers
fluorescence counterstain nuclear counterstain immunocytochemistry propidium iodide cell culture
2016/5/20
The fluorescence intensity from randomly oriented Rhodobacter ( Rb.) sphaeroides photosynthetic reaction centers at 77 K increases in an applied electric field. This is ascribed to a net reduction in ...
Fluorescence Lifetimes Measurements Using a Synchrotron Source
Fluorescence Lifetimes Measurements Synchrotron Source
2016/5/20
Fluorescence Lifetimes Measurements Using a Synchrotron Source.
Super-resolution fluorescence of huntingtin reveals growth of globular species into short fibers and coexistence of distinct aggregates.
Super-resolution fluorescence huntingtin reveals growth globular species into short fibers coexistence distinct aggregates
2015/12/11
Polyglutamine-expanded huntingtin, the protein encoded by HTT mutations associated with Huntington's disease, forms aggregate species in vitro and in vivo. Elucidation of the mechanism of growth of fi...