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1,830 Result(s)
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Article
Production of human insulin in anE. coli system with Met-Lys-human proinsulin as the expressed precursor
The construction of a gene encoding Lys-human proinsulin, its direct expression inE. coli, and the simple purification procedure are described here. The temperature inducible promotor was employed for induction i...
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Raman Studies on Potential substrate Materials of Sr(Al1/2Ta1/2)O3 and Sr(Al1/2Nb1/2)O3 For HTSC
Complex oxide perovskites, namely strontium aluminum tantalum oxide (SAT) and strontium aluminum niobium oxide (SAN) were recently investigated to be potential substrate materials for HTSC films in microwave a...
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Glomus tumours of the hand and foot
Between 1982 and 1991 we treated 48 patients with a glomus tumour in the hand or foot. There were 42 women and 6 men, aged between 14 and 61 years. Forty-five tumours were in the subungual region and 41 were ...
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Polyethylene glycol improves the purification of recombinant human tumor necrosis factor during ion exchange chromatography
Poly(ethylene glycol) (PEG) – either PEG 200, 600 or 4000 – when added to the buffer and feed solution gave nearly one-fold increase in the purification and about 100% recovery of recombinant human tumor necro...
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Atellitic thermal infrared brightness temperature anomaly image—short-term and impending earthquake precursors
Mechanism of satellitic thermo-infrared brightness temperature and temperature increaming is studied. Experiments are made with a gas sample taken around the epicenter area. The gas ample is pmved to contain g...
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Studies of the energy release of mitochondria from sporophyte cytoplasmic male sterile rice by differential scanning calorimetry
The differential scanning calorimetric (DSC) curves of the mitochondria isolated from two varieties of sporophyte cytoplasmic male sterile and their fertile lines of Yie Bai and Ma **e type rice have been dete...
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An investigation on microstructures and refining performances of newly developed Al-Ti-C grain refining master alloys
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Improved paclitaxel accumulation in cell suspension cultures of Taxus chinensis by brassinolide
When brassinolide was added at 17 ng l−1 to Taxus chinensis cell suspension cultures, the paclitaxel content was increased by over 100% to 580 μg g−1 dry weight. Brassinolide may therefore be a novel regulator of...
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Separation of isoquinoline alkaloids and saponins by microemulsion electrokinetic chromatography with anionic and cationic surfactants
Isoquinoline alkaloids and saponins are natural products with significant pharmacological effects. Because of the extreme similarity and diversity of their structures, separation of these compounds by capillar...
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Article
Expression of bax in lung cancer cell apoptosis induced by peroxisome proliferator-activated receptor-γ agonists
To discuss the relationship between Bax expression level and lung cancer cell apoptosis induced by peroxisome proliferator-activated receptor-γ (PPAR-γ) agonists.
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Article
ULF electric and magnetic anomalies accompanying the cracking of rock sample
The anomalies of electric-magnetic field and self-potential before earthquakes are important precursory phenomena. A simulating experiment study on the variations in ultra-low frequency (ULF) magnetic field an...
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Article
Numerical Simulation of Synoptic Condition on a Severe Sand Dust Storm
By using observational data and MM5, an observational analysisand numerical study was conducted on the synoptic condition of a severe dust storm that was caused by a Mongolian cyclone whichoccurred from 6 to 8...
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Improvement of phenylethanoid glycosides production by a fungal elicitor in cell suspension culture of Cistanche deserticola
When, on the 15th day of growth, an elicitor from Fusarium solani was added at 40 mg l−1 to Cistanche deserticola cell suspension cultures, the contents of echinacoside, acteoside and total phenylethanoid glycosi...
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Effect of acupuncture on uncoupling protein 1 gene expression for brown adipose tissue of obese rats
Objective; To explore the effects of acupuncture on the expression of uncoupling protein 1 (UCP1) gene of brown adipose tissue (BAT) in obese rats.Methods: The expression of UCP1 gene of BAT was ...
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Study on relationship between deep and shallow structures along north boundary fault of Yanqing-Fanshan basin
Based on the results of surface geology, shallow and deep seismic survey, features of micro-earthquake activity along the north boundary fault of Yanqing-Fanshan sub-basin and their relationship with the surfa...
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Cloning and GST-fused expression inE. coli of mouse β-1,4-galactosyltransferase
β-1,4-galactosyltransferase (β4Gal-T) (EC 2.4.1.38) plays a multifunctional role in many aspects of normal cell physiology. By now, several dozens of β4Gal-T genes have been cloned, separated from mouse, chick...
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Characterization of Function of Three Domains in Dishevelled-1: DEP Domain is Responsible for Membrane Translocation of Dishevelled-1
Wnt signaling plays an important role in embryogenesis and tumorgenesis. Although the mechanism about how Wnts transduce their signaling from receptor frizzled (Fz) to cytosol has not been understood, dishevel...
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Molecular analysis of the CRINKLY4 gene family in Arabidopsis thaliana
The maize (Zea mays L.) CRINKLY4 (CR4) gene encodes a serine/threonine receptor-like kinase that controls an array of developmental processes in the plant and endosperm. The Arabidopsis thaliana (L.) Heynh. genom...
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Fringe projection measurement system in reverse engineering
Acquisition of physical data with high precision is a key step in reverse engineering (RE). It is an important stimulative for the progress of reverse engineering with which various digitizing devices are inve...
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Open AccessCross-platform comparability of microarray technology: Intra-platform consistency and appropriate data analysis procedures are essential
The acceptance of microarray technology in regulatory decision-making is being challenged by the existence of various platforms and data analysis methods. A recent report (E. Marshall, Science, 306, 630–631, 2004...