1,527 Result(s)
within
Article
Jia**g Cheng
-
Article
An improved laser fluorimeter for the detection of traces of uranium
An improved laser fluorimeter and its application for the determination of ultratrace concentrations of uranium are described. The system developed uses a collecting lens-filter system, by which the density of...
-
Article
Acetosyringone and osmoprotectants like betaine or proline synergistically enhance Agrobacterium-mediated transformation of apple
The effects of the plant signal molecule acetosyringone (AS) and the osmoprotectant betaine phosphate (BP) have been examined for their ability to increase the transformation efficiency of Agrobacterium tumefacie...
-
Article
Prediction of bone density from vitamin D receptor alleles
BONE density achieved in early adulthood is the major determinant of risk of osteoporotic fracture. Up to 60% of women1,2 suffer osteoporotic fractures as a result of low bone density2, which is under strong gene...
-
Article
Rapid optimization of electroporation conditions for plant cells, protoplasts, and pollen
The optimization of electroporation conditions for maximal uptake of DNA during direct gene transfer experiments is critical to achieve high levels of gene expression in transformed plant cells. Two stains, tr...
-
Article
Colorado potato beetle resistant somatic hybrid potato plants produced via protoplast electrofusion
Leptines are natural glycoalkaloids found only in certain selections of the wild potato speciesSolanum chacoense. These rare glycoalkaloids have been identified to be phytochemical defensive agents against insect...
-
Article
Electromechanical effects of acetylcholine on the atrial tissues of the cultured tilapia (Oreochromis nilotica × O. aureus)
The effects of acetylcholine (ACh) on the action potential and twitch force of atrial tissues isolated from 15 tilapia (Oreochromis nilotica × O. aureus) were studied by means of conventional microelectrode techn...
-
Article
Intact 5-HT2A Receptor Exons and the Adjoining Intron Regions in Schizophrenia
Genes that regulate serotonergic (5-HT) systems may underlie the etiology of schizophrenia. In this study the gene encoding the 5-HT2A receptor in schizophrenics and healthy controls was examined. First, we seque...
-
Article
Correction: Prediction of bone density from vitamin D raceptor alleles
Nature 367, 284-287 (1994) .... In order to expand our original observations of a relationship between bone density and vitamin D receptor (VDR) genotype and to examine other genes potentially involved in bone...
-
Article
Clinical study on Shuxuening combined with antipsychotics in treating chronic schizophreniacombined with antipsychotics in treating chronic schizophrenia
Objective: To make a preliminary evaluation of the clinical efficacy of Shuxuening (SXN).Methods: One hundred and forty-nine chronic schizophrenic patients were divided randomly into the SXN grou...
-
Article
The Werner syndrome protein is a DNA helicase
Werner syndrome (WS) is an uncommon autosomal recessive disorder characterized by premature aging. The clinical manifestations of WS, including atherosclerosis and osteoporosis, appear early in adulthood, and ...
-
Article
CO replacement in Ru3(CO)12 by 2,3-bis(diphenylphosphino)maleic anhydride (bma). X-ray structures of Ru3(CO)10(bma)·H2O and
Thermolysis of Ru3(CO)12 with 2,3-bis(diphenylphosphino)maleic anhydride (bma) in toluene solution gives the new compounds Ru3(CO)10(bma) (2), Ru2(CO)6(bma) (3), and ...
-
Article
Reaction of bis(dimethoxyphosphino)dimethylhydrazine (dmpdmh) with PhCCo3(CO)9: synthesis and X-ray characterization of the dmpdmh-bridged polymorphs of PhCCo3(CO)7[(MeO)2PN(Me)N(Me)P(OMe)2]
The tricobalt cluster PhCCo3(CO)9 reacts with the bis(phosphanyl)hydrazine ligand bis(dimethoxyphosphino)dimethylhydrazine (dmpdmh) to give the monosubstituted cluster [PhCCo3(CO)8]2(dmpdmh) and the disubstituted...
-
Article
The nonmonotonic twist maps and basic hyperbolic sets
The existence of horseshoes for a family of nonmonotonic twist maps is established. And it is proved that the Hausdorff dimension of the horseshoes goes to the dimension of phase space as the parameter goes to...
-
Article
Optical Properties of Sol-Gel Derived PbTiO3 and PbZr1−xTiO3 Ferroelectric Thin Films
With sol-gel processing and rapid thermal annealing (RTA), crack-free PbTiO3 and PbZr1−xTixO3(x=0.2-0.8) ferroelectric thin films were prepared on Si(100) and Pt/Ti/SiO2/Si(100) substrates respectively. Results f...
-
Article
Mechanism of spallation in platinum aluminide/electron beam physical vapor-deposited thermal barrier coatings
The spallation failure of a commercial thermal barrier coating (TBC), consisting of a single-crystal RENE N5 superalloy, a platinum aluminide (Pt-Al) bond coat, and an electron beam-deposited 7 wt pct yttria-s...
-
Article
Chelation of a diphosphine ligand at FeCo2(CO)9(μ3-S): Spectroscopic and X-ray diffraction data for FeCo2(CO)7(bpcd)(μ3-S)
The tetrahedrane cluster, FeCo2(CO)9(μ3-S), reacts with the redox-active ligand, 4,5-bis(diphenylphosphino)-4-cyclopenten-1,3-dione (bpcd), to give the disubstituted cluster, FeCo2(CO)7(bpcd)(μ3-S), as the sole p...
-
Article
Room temperature ligand fragmentation in the reaction between PhCCo3(CO)9 and Ph2PN(Me)N(Me)PPh2. X-ray diffraction structure of PhCCo3(CO)8[Ph2PP(O)Ph2]
The cobalt cluster PhCCo3(CO)9 reacts with the bis(phosphanyl)hydrazine ligand bis(diphenylphosphino)dimethylhydrazine (dppdmh) in CH2Cl2 with added Me3NO to give the monosubstituted cluster PhCCo3(CO)8[Ph2PP(O)P...
-
Article
Reaction of bis(dimethoxyphosphino)dimethylhydrazine (dmpdmh) with Ru3(CO)12: Evidence for facile ligand fragmentation in Ru3(CO)10(dmpdmh) to give Ru4(CO)12[μ-N(Me)N(Me)], Ru3(CO)11[P(OMe)3], and Ru3(CO)9[μ-P(OMe)3]
Thermolysis of the cluster Ru3(CO)12 with the bis(phosphanyl)hydrazine ligand (MeO)2PN (Me)N(Me)P(OMe)2 (dmpdmh) in toluene at 75°C furnishes the known clusters Ru4(CO)12 [μ-N(Me)N(Me)] (2) and Ru3(CO)11[P(OMe)3]...
-
Article
Microstructures and optical properties of sol-gel derived TiO2 anatase thin films
TiO2 anatase thin films on quartz substrates were prepared with sol-gel method. The dry gel films, made by spin coating 10 times, were calcined at various temperatures. From X-ray diffraction analyses, it is foun...
-
Article
A rod-type creepmeter for measurement of displacement in active fault zone
A creepmeter has been developed to monitor gradual displacements of near-surface movement in an active fault zone. This rod-type creepmeter is a robust, low-cost instrument that is simple to construct and inst...
