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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Unstable homotopy groups of indecomposable A_3^2-complexes
不可分解 A_3^2 配合物 不稳定 同伦群
2023/4/14
In this talk, I will introduce the methods for calculating the unstable homotopy groups of finite CW-complexes which builds on works of the relative James construction initiated by B. Gray in 1973 and...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Bounded Poincaré maps for BGG complexes
BGG复形 有界 Poincaré映射
2023/5/10
Poincaré integral operators give explicit potential and provide an inverse of differential operators in the sense of null-homotopy. These operators play a key role in the mathematical and numerical an...
三亚国际数学论坛：Curvatures of Graphs,Simplicial Complexes and Metric Spaces（Curvatures of Graphs,Simplicial Complexes and Metric Spaces ）
三亚国际数学论坛 Curvatures of Graphs Simplicial Complexes Metric Spaces
2017/1/10
Curvature is a notion originally developed in differential and Riemannian geometry. It was then discovered that curvature inequalities in Riemannian manifolds are equivalent to other geometric propert...
The H93G Myoglobin Cavity Mutant as a Versatile Template for Modeling Heme Proteins:Ferrous,Ferric,and Ferryl Mixed-Ligand Complexes with Imidazole in the Cavity
copper(II) azomethine imidate crystal structures
2016/5/23
One of the difficulties in preparing accurate ambient-temperature model complexes for heme proteins, particularly in the ferric state, has been the generation of mixed-ligand adducts: complexes with d...
Effective Charger Transfer Distances in Mixed-Valence Transition Metal Complexes
Charger Transfer Distances Mixed-Valence Transition Metal Complexes
2016/5/23
Stark (electroabsorption) spectroscopy can provide quantitative information on the change in dipole moment and polarizability for an electronic transition. In the case of mixed-valence transitions, th...
Dipolar Character of Ligand-Centered Transitions in Transition Metal Tris-bipyridine Complexes
Stark spectra Tris-bipyridyl complexes UV spectroscopy Zn complexes
2016/5/23
The Stark spectra of bipyridine (bpy) and the metaltris(2,2'-bipyridine) complexes of Zn, Fe, Ru and Os have been measured in the ligand-centered region in the near UV. The results show that excitatio...
Stark Effect Spectroscopy of Carotenoids in Reaction Center and Antenna Complexes from Photosynthetic Bacteria
Stark effect Electric field effect Carotenoid Carotenoid bandshift
2016/5/23
The effects of electric fields on the absorption spectra of the carotenoids spheroidene and spheroidenone in photosynthetic antenna and reaction center complexes (wild-type and several mutants) from p...
Stark Effect Spectroscopy of Bacteriochlorophyll in Light-harvesting Complexes from Photosynthetic Bacteria
Stark effect Electric field effect Antenna complex Light harvesting complex Energy transfer BCP bacteriochlorophyll a protein RC reaction center
2016/5/23
The effects of an applied electric field on the Q y absorption and fluorescence spectra of three antenna complexes from photosynthetic bacteria have been measured at 77 K: the bacteriochlorophyll a pr...
Electroabsorption (Stark Effect) Spectroscopy of Mono-and Biruthenium Charge-Transfer Complexes:Measurements of Changes in Dipole Moments and Other Electrooptic Properties
PERVAPORATION REVERSE OSMOSIS SEPARATION OF AMYL ALCOHOL WATER MIXTURES POLY(VINYL ALCOHOL) POLYACRYLONITRILE COMPOSITE MEMBRANES POLYAMIDE POLYETHERSULFONE COMPOSITE MEMBRANES
2016/5/23
Electroabsorption (Stark effect) spectra are reported for the charge-transfer transitions of (NH3)5RuL2+ and [(NH3)5Ru]2L4+,5+, where L is pyrazine (pz) or 4,4'-bipyridine (4,4'-bpy). The spectra perm...
Electrochromism in the Near-Infrared Absorption Spectra of Bridged Ruthenium Mixed-Valence Complexes
inorganic, organic, physical and analytical chemistry ruthenium complexes absorption spectra electrochromism electric fields experimental data low temperature measuring methods near infrared radiation complexes
2016/5/23
Many experimental and theoretical approaches have been developed to characterize the chemical and physical properties of mixed-valence complexes. These molecules may possess metals in differing oxidat...
Stark Effect Spectra of Ru(Diimine)32+ Complexes
ANTIDEPRESSANTS MONOAMINE OXIDASE INHIBITORS TYRAMINE
2016/5/20
The metal-to-ligand charge-transfer (MLCT) states of Ru- (diimine)32+and related complexes have been the subject of intense interest over the past 20 years in an effort to understand and potentially t...
Solution Properties of Synthetic Chlorophyllide-and Bacteriochlorophyllide-apomyoglobin Complexes
Solution Properties Chlorophyllide Bacteriochlorophyllide apomyoglobin Complexes
2016/5/20
Well-defined 1:1 complexes have been formed between apomyoglobin (apoMb) and a number of chlorophyllide derivatives. The chlorophyllides substitute for heme in the pocket of myoglobin. These include m...
Cofortification of ferric pyrophosphate and citric acid/trisodium citrate into extruded rice grains doubles iron bioavailability through in situ generation of soluble ferric pyrophosphate citrate complexes
iron bioavailability iron fortification extruded rice ferric pyrophosphate trisodium citrate iron deficiency
2018/11/29
Background: Iron fortification of rice is a promising strategy for improving iron nutrition. However, it is technically challenging because rice is consumed as intact grains, and ferric pyrophosphate ...
Extensive sympatry, cryptic diversity and introgression throughout the geographic distribution of two coral species complexes
Acropora, ryptic species hybridization
2015/12/11
The identification of species is one of the most basic, and yet critically important, issues
in biology with far-reaching potential implications for fields such as biodiversity
conservation, populat...
Chemical cross-linking/mass spectrometry targeting acidic residues in proteins and protein complexes.
Chemical cross-linking/mass spectrometry targeting acidic residues proteins protein complexes.
2015/12/11
The study of proteins and protein complexes using chemical cross-linking followed by the MS identification of the cross-linked peptides has found increasingly widespread use in recent years. Thus far,...