搜索结果: 1-15 共查到“理学 chlorophyll-a”相关记录56条 . 查询时间(0.078 秒)
Excitation Transport and Trapping in a Synthetic Chlorophyllide Substituted Hemoglobin:The Orientation of the Chlorophyll S1 Transition Dipole
Excitation Transport Synthetic Chlorophyllide Substituted Hemoglobin Chlorophyll S1 Transition Dipole
2016/5/20
Excitation transport in synthetic zinc chlorophyllide substituted hemoglobin has been observed by picosecond time-resolved fluorescence depolarization experiments.In this hybrid molecular system, two ...
Picosecond Spectroscopic Study of Chlorophyll-Based Models for the Primary Photochemistry of Photosynthesis
Picosecond Spectroscopic Study Chlorophyll-Based Models Primary Photochemistry Photosynthesis
2016/5/20
A series of covalently linked dimers and trimers of chlorophyllide derivatives was investigated by time-resolved absorption and fluorescence spectroscopy (3-lo4 ps). For these compounds, the freeenerg...
Synthesis and Spectroscopic Properties of a Novel Cofacial Chlorophyll-Based Dimer
Synthesis Spectroscopic Properties Cofacial Chlorophyll-Based Dimer
2016/5/20
We wish to report the synthesis and unique spectroscopic properties of a novel, doubly linked, cofacial chlorophyll (Chl) dimer. Considerable effort has been directed toward the synthesis and characte...
Chlorophyll-Amino Acid Interactions in Synthetic Models
Chlorophyll Amino Acid Interactions Synthetic Models
2016/5/20
A number of amino acids and molecules ofrelated functionality have been covalently connected to pyrochlorophyllide a (PCbla) and bacteriopyrochlorophyllide a (BPCbla) to determine their impact on the ...
A Covalently Bound Dimeric Derivative of Pyrochlorophyllide a. A Possible Model for Reaction Center Chlorophyll
Dimeric Derivative Pyrochlorophyllide Reaction Center Chlorophyll
2016/5/20
Molecular aggregation of chlorophyll has been the subject of intense study in several While there is good evidence for keto carbonyl-Mg interactions in nonbasic solvents, there is much less structural...
"The Effect of Magnesium Coordination on the 13C and 15N Magnetic Resonance Spectra of Chlorophyll a.The Relative Energies of Nitrogen np States as Deduced from a Complete Assignment of Chemical Shifts"
Magnesium Coordination 13C and 15N Magnetic Resonance Spectra Nitrogen np States Complete Assignment Chemical Shifts
2016/5/20
The 5 5 13Cand 4 I5Nnmr transitions in chlorophyll a and its magnesium-free derivative pheophytin a have been assigned. Emphasis is placed on the quaternary carbon atoms of the macrocycle which carry ...
Effect of the 1997/98 El Nino on Chlorophyll a Variability Along the Southern Coasts of Java and Sumatra
the 1997/98 El Nino Chlorophyll a Variability Along Southern Coasts Java and Sumatra
2015/7/28
The 1997/1998 El Niño Southern Oscillation (ENSO) was detected through observation of satellite-derived ocean color data (expressed as chlorophyll a) in the Indonesian seas. In addition to ENSO, ...
GENERATING A LONG-TERM SERIES OF SST AND CHLOROPHYLL-A FOR THE COAST OF IRELAND
SST chlorophyll-a long-term series fisheries Ireland
2015/5/7
The use of remote sensing has increased greatly in recent years due to technological advances and its advantages in comparison with traditional methods. In the case of Ireland however the use of the...
ESTIMATION OF CHLOROPHYLL CONCENTRATION IN MAIZE USING SPECTRAL REFLECTANCE
crops spectral reflectance chlorophyll content
2015/5/6
The objective of this research was to identify the relationship between chlorophyll contents and spectral measurements in a maize crop. Spectral measurements were taken and the chlorophyll content w...
USING AIRBORNE HYPERSPECTRAL IMAGERY TO ESTIMATE CHLOROPHYLL A AND PHYCOCYANIN IN THREE CENTRAL INDIANA MESOTROPHIC TO EUTROPHIC RESERVOIRS
Remote Sensing Phycocyanin
2015/1/16
This thesis presents the results of an analysis of predicting phytoplankton pigment concentrations (chlorophyll a and phycocyanin) from remotely sensed imagery. Hyperspectral airborne and hand-held re...
Remote Sensing of Cyanobacteria in Case II Waters Using Optically Active Pigments, Chlorophyll a and Phycocyanin
Hyperspectral Remote Sensing Cyanobacteria Phycocyanin Chlorophyll a Blue-green Algae
2015/1/9
Nuisance blue-green algal blooms contribute to aesthetic degradation of water resources and produce toxins that can have serious adverse human health effects. Current field-based methods for detecting...
The maintenance of the subsurface chlorophyll maximum in the stratified western Irish Sea
subsurface chlorophyll maximum nutrient fl ux turbulent mixing internal waves Irish Sea
2014/4/1
The diapycnal flux of nitrate from the deep water provides a limit on new production in the subsurface
chlorophyll maximum (SCM) during summer in stratified shelf seas. Here we estimate t...
Identification of senescence and death in Emiliania huxleyi and Thalassiosira pseudonana: Cell staining, chlorophyll alterations, and dimethylsulfoniopropionate (DMSP) metabolism
senescence Emiliania huxleyi Thalassiosira pseudonana
2014/4/4
We measured membrane permeability, hydrolytic enzyme, and caspase-like activities using fluorescent cell
stains to document changes caused by nutrient exhaustion in the coccolithophore Emiliania huxl...
Identification of senescence and death inEmiliania huxleyiand Thalassiosira pseudonana: Cell staining, chlorophyll alterations, and dimethylsulfoniopropionate (DMSP) metabolism
Identification of senescence death inEmiliania huxleyiand Thalassiosira pseudonana Cell staining chlorophyll alterations dimethylsulfoniopropionate metabolism
2014/4/2
We measured membrane permeability, hydrolytic enzyme, and caspase-like activities using fluorescent cell stains to document changes caused by nutrient exhaustion in the coccolithophore Emiliania huxle...
A mechanistic modelling and data assimilation approach to estimate the carbon/chlorophyll and carbon/nitrogen ratios in a coupled hydrodynamical-biological model
mechanistic modelling data assimilation approach carbon/chlorophyll and carbon/nitrogen ratios
2009/11/11
The principal objective of hydrodynamical-biological models is to provide estimates of the main carbon fluxes such as total and export oceanic production. These models are nitrogen based, that is to s...