519 Result(s)
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Article
Mitosis and microtubule organizational changes in rice root-tip cells
The pattern of change of the microtubule cytoskeleton of the root-tip cells of rice during mitosis was studied using immunofluorescence technic and confocal laser scanning microscopy. All the major stages of c...
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Using support vector classification for SAR of fentanyl derivatives
To discriminate between fentanyl derivatives with high and low activities.
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Effects of spider Macrothele raven venom on cell proliferation and cytotoxicity in HeLa cells
To examine the effect of venom from the spider Macrothele raven on cell proliferation and cytotoxicity in human cervical carcinoma, HeLa cells.
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Open AccessAn EM algorithm for map** segregation distortion loci
Chromosomal region that causes distorted segregation ratios is referred to as segregation distortion locus (SDL). The distortion is caused either by differential representation of SDL genotypes in gametes befo...
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Open AccessExpressed sequence tags from larval gut of the European corn borer (Ostrinia nubilalis): Exploring candidate genes potentially involved in Bacillus thuringiensis toxicity and resistance
Lepidoptera represents more than 160,000 insect species which include some of the most devastating pests of crops, forests, and stored products. However, the genomic information on lepidopteran insects is very...
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Open AccessKan Replacement of Simplicial Manifolds
We establish a functor Kan from local Kan simplicial manifolds to weak Kan simplicial manifolds. It gives a solution to the problem of extending local Lie groupoids to Lie 2-groupoids.
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Open AccessOne-step, solvothermal synthesis of graphene-CdS and graphene-ZnS quantum dot nanocomposites and their interesting photovoltaic properties
The synthesis of graphene-semiconductor nanocomposites has attracted increasing attention due to their interesting optoelectronic properties. However the synthesis of such nanocomposites, with decorated partic...
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Open AccessExperience-based behavioral and chemosensory changes in the generalist insect herbivore Helicoverpa armigera exposed to two deterrent plant chemicals
Behavioral and electrophysiological responses of larvae of the polyphagous moth species Helicoverpa armigera to two plant-derived allelochemicals were studied, both in larvae that had been reared on a diet devoid...
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Open AccessCarbon and nitrogen stable isotope analyses of mammal bone fossils from the Zhongba site in the Three Gorges Reservoir region of the Yangtze River, China
Based on AMS 14C dating data, carbon and nitrogen isotope analyses were conducted on mammal bone collagen of deer, cattle and pigs from the Zhongba site in the Three Gorges Reservoir region of the Yangtze River. ...
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Open AccessInduction of B-cell lymphoma by UVB Radiation in p53 Haploinsufficient Mice
The incidence of non-Hodgkin's lymphoma has increased over recent years. The exact etiology of lymphoma remains unknown. Ultraviolet light exposure has been associated with the development of internal lymphoid...
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Open AccessTranscription factor IRF8 directs a silencing programme for TH17 cell differentiation
TH17 cells are recognized as a unique subset of T helper cells that have critical roles in the pathogenesis of autoimmunity and tissue inflammation. Although RORγt is necessary for the generation of TH17 cells, t...
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New non-quinone geldanamycin analogs from genetically engineered Streptomyces hygroscopicus
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Open AccessEffect of Nb Microalloying and Hot Rolling on Microstructure and Properties of Ultrathin Cast Strip Steels Produced by the CASTRIP® Process
The microstructure and corresponding tensile properties of both plain and Nb-microalloyed grades of ultrathin cast strip (UCS) low alloy steel produced using the CASTRIP® process were studied. Both as-cast and ho...
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Open AccessPolymorphisms of the prion protein gene and their effects on litter size and risk evaluation for scrapie in Chinese Hu sheep
It is well known that scrapie is a fatal, neurodegenerative disease in sheep and goat, which belongs to the group of transmissible spongiform encephalopathies (TSEs) or prion diseases. It has been confirmed th...
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Engineering a zinc binding site into the de novo designed protein DS119 with a βαβ structure
Functional proteins designed de novo have potential application in chemical engineering, agriculture and healthcare. Metal binding sites are commonly used to incorporate functions. Based on a de novo designed pro...
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Open AccessNon-Hausdorff symmetries of C*-algebras
Symmetry groups or groupoids of C*-algebras associated to non-Hausdorff spaces are often non-Hausdorff as well. We describe such symmetries using crossed modules of groupoids. We define actions of crossed modu...
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Isoquinoline-catalyzed addition of 2-bromo-1-aryl-1-ethanone to dialkyl azodicarboxylate: synthesis of trialkyl 2-[(1E)-N-(alkoxycarbonyl)-2-aryl-2-oxoethanehydrazonoyl]hydrazine-1,1,2-tricarboxylate
A catalytic method for the synthesis of a class of hydrazine derivatives is reported. The described method provides convenient access to compounds which are anticipated to show biological activities. The salie...
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Open Accessα7 nicotinic acetylcholine receptor-mediated neuroprotection against dopaminergic neuron loss in an MPTP mouse model via inhibition of astrocyte activation
Although evidence suggests that the prevalence of Parkinson’s disease (PD) is lower in smokers than in non-smokers, the mechanisms of nicotine-induced neuroprotection remain unclear. Stimulation of the α7 nico...
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Open AccessSingle nucleotide polymorphisms in the human corticosteroid-binding globulin promoter alter transcriptional activity
Corticosteroid-binding globulin (CBG) is a high-affinity plasma protein that transports glucocorticoids and progesterone. Others and we have reported non-synonymous single nucleotide polymorphisms (SNPs) that ...
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Open AccessHydrogen Bond Nanoscale Networks Showing Switchable Transport Performance
Hydrogen bond is a typical noncovalent bond with its strength only one-tenth of a general covalent bond. Because of its easiness to fracture and re-formation, materials based on hydrogen bonds can enable a rev...