1,121 Result(s)
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Article
First international conference of China on anatomical sciences
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Article
Dopamine inhibits gonadotropin secretion in the Chinese loach (Paramisgurnus dabryanus)
The effects of dopamine on gonadotropin (GtH) secretion in sexually mature Chinese loach were investigated. Spontaneous secretion of GtH was inhibited within 1 h following an intramuscular injection of dopamin...
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Article
Effect of second phase on the fatigue crack growth in AlSl 4340 steel
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Preparation and characterization of metal complexes containing a NS donor ligand derived from S-benzyldithiocarbazate and p-nitrobenzaldehyde. X-ray crystal structure of the nickel(II) chelate
A series of metal (Cu, Ni, Zn, Cd and Pd) complexes of a Schiff base ligand derived from S-benzyldithiocarbazate and p-nitrobenzaldehyde were prepared and characterized. The Schiff base acts as a single negativel...
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Article
A vector projection method for predicting supersecondary motifs
For the 11 types of most frequently occurring supersecondary motifs, we used a new method—the vector projection method—to predict a protein's supersecondary structure. In a training set of peptides and a test ...
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Low Temperature (850 °C) Two-Step N2O Annealed Thin Gate Oxides
The electrical characteristics of thin gate dielectrics prepared by low temperature (850 'C) two-step N2O nitridation (LTN) process are presented. The gate oxides were grown by wet oxidation at 800 °C and then an...
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Crystal structures, spectroscopic and nonlinear optical properties of metal complexes of Schiff-base ligands containing nitrogen and sulfur donors
ML2 type CuII chelates with the Schiff base ligands R-C6H4CHNNHC(S)SCH2Ph (R=NMe2 or -OMe) have been prepared and characterized. Spectroscopic data suggest that the Schiff bases act as singly charged anionic b...
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Synthesis, crystal structure and equilibrium studies on the novel bidentate amine adducts of bis[S-benzyl-β-N(p-nitrophenyl)methyldithiocarbazide]nickel(II)
The novel adducts [Ni(SN)2L] formed from chelating bidentate diamines and the square-planar bis[S-benzyl-β-N(p-nitrophenyl)methyldithiocarbazide]nickel(II) complex [Ni(SN)2] have been prepared and characterize...
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Article
Synthesis and crystal structure of an imidazolate-bridged dicopper tris(2-aminoethyl)amine complex
The [Cu(tren)(Im)Cu(tren)](ClO4)3·MeCN complex [tren=tris(2-aminoethyl)amine; Im=imidazolate anion] has been synthesized and characterized spectrally. The X-ray crystal structure analysis reveals that the imid...
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Article
A Novel Podophyllotoxin-Derived Compound GL331 Is More Potent than Its Congener VP-16 in Killing Refractory Cancer Cells
Purpose. GL331 is a new homolog of VP-16, and has demonstrated more efficacious anti-cancer activity in both the in vitro and in vivo lymphoma systems. To extensively explore GL331's clinical value, we furthermo...
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Article
In vitro evaluation of GL331's cancer cell killing and apoptosis-inducing activity in combination with other chemotherapeutic agents
GL331 is a novel podophyllotoxin-derived compound and is more efficacious than its congener VP-16 in killing several types of cancer cells, that has promoted considerable interest in its possibility of clinica...
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Article
Distributed capacitance of coaxial line with perturbed walls
Perturbation method of boundary geometry (PMOBG) used in Laplacian problems is dealt with and the three-term perturbation expression of, distributed capacitance of a coaxial line with perturbed walls is obtain...
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Article
An Sp1 binding site involves the transcription of the fas ligand gene induced by PMA and ionomycin in Jurkat cells
The transcriptional regulation of the Fas ligand (FasL) gene in Jurkat cells was investigated. We demonstrated that an Sp1 binding site, located between −280 and −275 bp relative to the translational start sit...
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Article
Low Genetic Variation of the Yunnan Hare (Lepus comus G. Allen 1927) as Revealed by Mitochondrial Cytochrome b Gene Sequences
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Article
Role ofHelicobacter pylori in cirrhotic patients with dyspepsia: A13C-urea breath test study
The role ofHelicobacter pylori in dyspeptic, cirrhotic patients remains unclear. This prospective outpatient study, conducted to assess the relationship of gastroduodenal disease andH. pylori as determined by the...
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Article
Novel action of lignans isolated from Hernandia nymphaeifolia on Ca2+ signaling in human neutrophils
The effects of five lignans (epi-aschantin, epi-magnolin, epi-yangambin, deoxypodophyllotoxin, yatein) isolated from Hernandia nymphaeifolia (Presl.) Kubitzki (Hernandiaceae) on intracellular Ca2+ levels ([Ca2+]
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Article
Clinical Predictors of Large Esophagogastric Varices in Patients with Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide, especially in Asia. Gastrointestinal bleeding due to esophagogastric variceal hemorrhage is one of the leading causes of death i...
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Article
Determination of isothermal section of Ni-Re-Hf ternary system at 1173 K
The phase equilibriua in the Ni-Re-Hf ternary system at 1173K were investigated by means of diffusion triple technique and electron microprobe analysis (EMPA). The experimental results indicate that two ternar...
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Article
LCRG1 suppresses tumor growth in vivo by liposome-mediated gene transfer
Objective: To investigate whether LCRG1 (Laryngeal Carcinoma Related Gene 1) has tumor suppressor function. Methods: The recombinant plasmid pcDNA3.1(+)/LCRG1 was successfully constructed. The biological effects ...
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Article
Transplanted neuronal precursors migrate and differentiate in the develo** mouse brain
The subventricular zone (SVZ), lining the lateral ventricle in forebrain, retains a population of neuronal precursors with the ability of proliferation in adult mammals. To test the potential of neuronal precu...