1,940 Result(s)
-
Article
On malathion binding to tissue macromolecules in the rat
Five h after administration of35S-malathion (30 μCi) to rats, the amount of total radioactivity and that bound to macromolecules in various tissues were determined. It was found that the amount of bound radioacti...
-
Article
Toxicological studies on the organophosphorous insecticide methyl-ISP
Methyl-ISP, a newly developed organophosphorous insecticide, is used in China to treat and protect plants from pest infestation. Our studies demonstrated that methyl-ISP is metabolized rapidly in tat and mouse...
-
Article
Pulmonary artery pressure evaluated by pulsed Doppler echocardiography in children with a left-to right intracardiac shunt
In a study of 25 children with left-to-right intracardiac shunt we found a good correlation (r>0.92;p<0.001) between right ventricular pre-ejection period/acceleration time, derived from pulsed Doppler echocardio...
-
Article
Identification of anodD-like gene inFrankia by direct complementation of aRhizobium nodD-mutant
Clones from aFrankia At4 gene bank were pooled into groups and mass conjugated into anodD mutant ofRhizobium leguminosarum bv.viciae by triparental matings. When peas were inoculated with the pooled transconjugan...
-
Article
The solution of integral equations with strongly singular kernels applied to the torsion of cracked circular cylinder
In this paper, the functions of war** displacement interruption defined on the crack lines are taken for the fundamental unknown functions. The torsion problem of cracked circular cylinder is reduced to solv...
-
Article
Effects of phenamiphos on muscarinic acetylcholine receptor in the brain synaptosome in rats and its mechanism
The studies were performed to investigate the mechanism of phenamiphos affecting muscarinic acetylcholine receptor (M-AchR) of the brain synaptosome in rats. The results showed that phenamiphos inhibited the b...
-
Article
Regeneration of haploid plants from isolated microspores of asparagus (Asparagus officinalis L.)
High percentages of micro-calli and micro-derived embryos were produced from isolated asparagus microspores at late uninucleate stage on MS liquid medium supplemented with 1.0 mg l−1 2,4-D and 0.5 mg l−1 BA. Two ...
-
Article
High rate of virus-free plantlet regeneration via garlic scape-tip culture
Shoot cultures of Allium sativum L. were established from stem-tip and scape-tip. Various combinations of media, growth regulators were compared. The best establishment and proliferation of stem-tip and scape-tip...
-
Article
Fluorometric assay for horseradish peroxidase in organic media
A fluorometric method for assaying the activity of horseradish peroxidase (HRP) in organic media has been developed. This method is designed on the basis of the disparity in the spectral properties of substrat...
-
Article
Gaussian random field p-spin-interaction ising model in a transverse field
The Gaussian random field Ising model with p-spin interactions in the presence of a transverse field is studied by combining the Suzuki-Trotter approach and the thermodynamic perturbation theory. The first-order ...
-
Article
Immobilization of prostaglandin synthetase by hydrophobic adsorption
In this article, the immobilization of prostaglandin synthetase onn-alkyl or aryl amino-agar beads by hydrophobic adsorption is reported. The effects of different hydrophobic groups in the agar beads, pH of buffe...
-
Article
Study of the anomaly of seismic fractal spectrum before strong earthquakes
The research of some theoretical Contor models of multi-scale and the numerical model of seismic spatial distribution show that the physical property of anomalies in seismic fractal spectrums is due to an incr...
-
Article
Algebraic Model for Stretching and Bending Vibrations of Bent Triatomic Molecules
An SU(2) algebraic model is proposed forvibrational spectra of bent triatomic molecules, whereFermi resonances between the stretching and the bendingmodes are considered. As an example, the model is applied to...
-
Article
An investigation of chain growth probability in Fischer-Tropsch synthesis over an industrial Fe−Cu−K catalyst
The chain growth probability of Fischer-Tropsch synthesis (FTS) was investigated on the basis of data from a set of experiments over an industrial coprecipitated Fe−Cu−K catalyst developed by the Institute of ...
-
Article
Expression and clinical significance of multidrug resistance gene and multidrug resistance-associated protein gene in acute leukemia
Objective: To evaluate the expression and clinical significance of multidrug resistance gene (mdr1) and multidrug resistance-associated protein (MRP) gene in acute leukemia. Methods: The expression of mdr1 and...
-
Article
Influence of active marine organic matter on electrochemical corrosion
Chemical means were used to extract polyphenols from healthy brown algae collected in littoral seawater. Experiments on corrosion of A3 steel, the time-potential curve, and polarization curve in polyphenols seawa...
-
Article
Internal glucose residue loss in protonated O-diglycosyl flavonoids upon low-energy collision-induced dissociation
The low-energy collision-induced dissociation of protonated flavonoid O-diglycosides, i.e., flavonoid O-rutinosides and O-neohesperidosides, containing different aglycone types has been studied. The results indic...
-
Article
PIK3CA as an oncogene in cervical cancer
Amplification of chromosome arm 3q is the most consistent aberration in cervical cancer, and is implicated in the progression of dysplastic uterine cervical cells into invasive cancer. The present study employ...
-
Article
An analytic and application to state space reconstruction about chaotic time series
The state space reconstruction is the major important quantitative index for describing non-linear chaotic time series. Based on the work of many scholars, such as: N. H. Packard, F. Takens, M. Casdagli, J. F....
-
Article
Study on the Prediction Method of Low-Dimension Time Series that Arise from the Intrinsic Nonlinear Dynamics
The prediction methods and its applications of the nonlinear dynamic systems determined from chaotic time series of low-dimension are discussed mainly. Based on the work of the foreign researchers, the chaotic...
