77 Result(s)
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Ding**ng Wang
Science, Humanities and Social Sciences, multidisciplinary
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Article
A novel mechanism controls anther opening and closing in Paris polyphylla var. Yunnanensis
The phenomena of anther opening and closing in Paris polyphylla var. yunnanensis (Franch) Hand.-Mazz were described in detail, and the effects of ecological factors on those phenomena related to anther opening, c...
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Article
Population status, threats and conservation of the Yangtze finless porpoise
The Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis) is currently limited to the middle and lower reaches of the Yangtze River from Yichang to Shanghai, China, and the adjoining Poyang and Dong...
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Article
Open AccessGeneral preparation for Pt-based alloy nanoporous nanoparticles as potential nanocatalysts
Although Raney nickel made by dealloying has been used as a heterogeneous catalyst in a variety of organic syntheses for more than 80 years, only recently scientists have begun to realize that dealloying can g...
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Article
Open AccessMercury release flux and its influencing factors at the air-water interface in paddy field in Chongqing, China
The exchange of mercury (Hg) across the air-water interface is an important part of Hg biogeochemical cycle. Mercury fluxes across the air-water interface in paddy fields were measured by a Dynamic Flux Chambe...
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Article
Open AccessOne-Pot Protocol for Bimetallic Pt/Cu Hexapod Concave Nanocrystals with Enhanced Electrocatalytic Activity
Nanomaterials with particular nanostructures which usually possess special properties always attract considerable attention. A novel bimetallic Pt/Cu hexapod nanostructure was prepared by a facile one-pot stra...
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Article
Open AccessEstimating Atomic Sizes with Raman Spectroscopy
We demonstrate a technique to determine the Van der Waals radius of iodine atoms using Raman spectroscopy. The iodine diatomic molecules are diffused into the nano-scale channels of a zeolite single crystal. W...
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Article
Open AccessStructure of a photosynthetic reaction centre determined by serial femtosecond crystallography
Serial femtosecond crystallography is an X-ray free-electron-laser-based method with considerable potential to have an impact on challenging problems in structural biology. Here we present X-ray diffraction da...
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Article
Lipidic cubic phase injector facilitates membrane protein serial femtosecond crystallography
Lipidic cubic phase (LCP) crystallization has proven successful for high-resolution structure determination of challenging membrane proteins. Here we present a technique for extruding gel-like LCP with embedde...
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Article
Dynamics of total culturable bacteria and its relationship with methylmercury in the soils of the water level fluctuation zone of the Three Gorges Reservoir
Field investigations were conducted to study the temporal and spatial distribution characteristics of total culturable bacteria (TCB) and its relationship with methylmercury (MeHg) in the soils of the water le...
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Article
Roles of chloride ion in photo-reduction/oxidation of mercury
Photo-reduction of divalent mercury (Hg(II)) in aquatic systems plays a key role in global biogeochemistry cycling of mercury (Hg) in the Earth’s surface environment. The mechanisms of this process with variou...
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Article
Serial time-resolved crystallography of photosystem II using a femtosecond X-ray laser
Femtosecond X-ray pulses were used to obtain diffraction data on photosystem II, revealing conformational changes as the complex transitions from the dark S1 state to the double-pumped S3 state; the time-resolved...
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Article
Open AccessPhysicochemical Evolution and Molecular Adaptation of the Cetacean Osmoregulation-related Gene UT-A2 and Implications for Functional Studies
Cetaceans have an enigmatic evolutionary history of re-invading aquatic habitats. One of their essential adaptabilities that has enabled this process is their homeostatic strategy adjustment. Here, we investig...
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Article
Crystal structure of rhodopsin bound to arrestin by femtosecond X-ray laser
G-protein-coupled receptors (GPCRs) signal primarily through G proteins or arrestins. Arrestin binding to GPCRs blocks G protein interaction and redirects signalling to numerous G-protein-independent pathways....
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Article
Open AccessPlatinum–nickel frame within metal-organic framework fabricated in situ for hydrogen enrichment and molecular sieving
Develo** catalysts that provide the effective activation of hydrogen and selective absorption of substrate on metal surface is crucial to simultaneously improve activity and selectivity of hydrogenation reac...
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Article
Evolutionarily conserved intercalated disc protein Tmem65 regulates cardiac conduction and connexin 43 function
Membrane proteins are crucial to heart function and development. Here we combine cationic silica-bead coating with shotgun proteomics to enrich for and identify plasma membrane-associated proteins from primary...
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Article
Open AccessOrganization and characteristics of the major histocompatibility complex class II region in the Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis)
Little is known about the major histocompatibility complex (MHC) in the genome of Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) (YFP) or other cetaceans. In this study, a high-quality YFP...
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Article
Open AccessA novel method for correcting scanline-observational bias of discontinuity orientation
Scanline observation is known to introduce an angular bias into the probability distribution of orientation in three-dimensional space. In this paper, numerical solutions expressing the functional relationship...
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Article
Open AccessA large dataset of protein dynamics in the mammalian heart proteome
Protein stability is a major regulatory principle of protein function and cellular homeostasis. Despite limited understanding on mechanisms, disruption of protein turnover is widely implicated in diverse patho...
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Article
Open AccessA common theme in extracellular fluids of beetles: extracellular superoxide dismutases crucial for balancing ROS in response to microbial challenge
Extracellular Cu/Zn superoxide dismutases (SODs) are critical for balancing the level of reactive oxygen species in the extracellular matrix of eukaryotes. In the present study we have detected constitutive SO...
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Article
Open AccessSerial femtosecond crystallography datasets from G protein-coupled receptors
We describe the deposition of four datasets consisting of X-ray diffraction images acquired using serial femtosecond crystallography experiments on microcrystals of human G protein-coupled receptors, grown and...
