914 Result(s)

Article

Vitrificational cryopreservation and subsequently fertile plant regeneration from rice (Oryza sativa L.) embryogenic suspension cells

Junhui Wang, Yong Zheng, Qingfeng Yan, Qiusheng Yan… in Chinese Science Bulletin (1997)

Article

Separation of the enantiomers of four chiral drugs by neutral cyclodextrin-mediated capillary zone electrophoresis

Neutral cyclodextrin (CD)-modified capillary zone electrophoresis (CZE) has been applied to the chiral separation of four basic drugs— clorprenaline, benzhexol, esmolol and terazosin. Selector screening and co...

Xueqin Ren, Yiyang Dong, Ai** Huang, Yiliang Sun, Zengpei Sun in Chromatographia (1999)

Article

Separation of chiral basic drugs with sulfobutyl-β-cyclodextrin in capillary electrophoresis

Separation of the enantiomers of 22 chiral basic drugs not previously separated with sulfobutyl-β-cyclodextrin (SBE-β-CD) as a chiral selector has been investigated by capillary zone electrophoresis. By dissol...

Xueqin Ren, Yiyang Dong, Junying Liu, Ai** Huang, Huwei Liu… in Chromatographia (1999)

Article

Enantiomeric separation of three chiral drugs by nonaqueous capillary electrophoresis with triethylamine as additive

The enantiomeric separation of chiral drugs by capillary electrophoresis (CE) in nonaqueous system has been investigated. Successful separation of bepridil, ondansetron and pinacidil in formamide using β-cyclo...

Xueqin Ren, Ai** Huang, Tiansong Wang, Yiliang Sun, Zengpei Sun in Chromatographia (1999)

Article

Between Two Worlds: The Use of Traditional and Western Health Services by Chinese Immigrants

This study examined the use of traditional and Western health services by Chinese immigrants, as well as the cultural and socioeconomic factors affecting health-seeking behaviors and health service utilization...

Grace Xueqin Ma in Journal of Community Health (1999)

Article

Selectivity difference between carboxyethyl-β-cyclodextrin and carboxymethyl-β-cyclodextrin in enantioseparations of drugs by capillary electrophoresis

In this report the separation selectivity of carboxyethyl-β-cyclodextrin (CE-β-CD) and carboxymethyl-β-cyclodextrin (CM-β-CD) for some chiral test drugs was examined. By using CE-β-CD as selector, nine out of ...

Xueqin Ren, **aodan Su, Ai** Huang, Yiliang Sun, Zengpei Sun in Chromatographia (2000)

Article

Sequence analysis of the gene correlated with cytoplasmic male sterility (CMS) in rape-seed (Brassica napus) Polima and Shaan 2A

orf224 is a CMS-related mitochondrial gene discovered in Polima cytoplasm. Shaan 2A CMS line is the parent of the first rapeseed hybrid cultivar Qinyou No. 2 that has been grown in many regions o...

Yongfei Wang, Sanmei Ma, Ming Wang, Xueqin Zheng, Mao Gu… in Chinese Science Bulletin (2002)

Article

Culture of isolated zygotic embryos of Pinus radiata D. Don. Part II: Biochemical changes associated with the conversion of isolated embryos

Isolated zygotic embryos of Pinus radiata D. Don germinated and their cotyledons, hypocotyl and root grew and developed further on the optimized culture medium, named LPSH2 based on the accompanying paper. The re...

Xueqin Lin, David W. M. Leung in In Vitro Cellular & Developmental Biology - Plant (2002)

Article

Culture of isolated zygotic embryos of Pinus radiata D. Don. Part I: Factors influencing in vitro germination and growth of isolated embryos

Factors influeneing the conversion of isolated mature zygotic embryos of Pinus radiata D. Don into plantlets were investigated. Nutritional factors were critical to this conversion. The optimum medium strength wa...

Xueqin Lin, David W. M. Leung in In Vitro Cellular & Developmental Biology - Plant (2002)

Article

Variations of elemental distribution in brain regions of neonatal rats at different iodine intakes

Iodine deficiency (ID) can result in irreversible damage to the brain during the fetal and neonatal stages. As the active center of many enzymes, trace elements play essential roles in brain function. In this ...

Fang Zhang, Nianqing Liu, Xueqin Zhao, Aijun Zuo… in Biological Trace Element Research (2002)

Article

The blown sand disaster to the Tarim Desert Highway in **njiang, China

The Tarim Desert Highway in **njiang, China, the longest one in the world, has a length of 562 km, about 80% of which runs across, from north to south, the Taklimakan Desert. Obviously, the main problem of the...

Jiaqiang Lei, Xueqin Wang, De Wang… in Science in China Series D: Earth Sciences (2002)

Article

Development of multiplex polymerase chain reaction for the detection and differentiation of enteric adenoviruses in stool samples

To find a technique of detecting and differentiating enteric adenoviruses (EAds) in clinical samples, a novel PCR approach was developed. EAds were able to be detected by use of a pair of subgroup F general pr...

Zhang Weidong, Yang Hong, Zhu Yuze, Wang Bei, Qu Hong… in Current Medical Science (2003)

Article

The new Volkswagen Acoustics Centre in Wolfsburg

The first part of this article in the last ATZ issue described the concept of a test bed complex that is tailor-made to meet the requirements of Volkswagen AG. Extremely low ambient noise levels — even when th...

Helmut V. Fuchs, Xueqin Zha, Gerhard Babuke, Peter Friederich in ATZ worldwide (2003)

Article

Das neue Volkswagen-Akustikzentrum in Wolfsburg

Der erste Teil dieses Beitrags, der in der vorigen ATZ erschien, legte das Konzept eines auf die Bedürfnisse der Volkswagen AG zugeschnittenen Prüfstandkomplexes dar. Äußerst niedrige Ruhepegel — selbst mit zu...

Prof. Dr.-Ing. Helmut V. Fuchs, Prof. Xueqin Zha… in ATZ - Automobiltechnische Zeitschrift (2003)

Article

Distribution of ephemeral plants and their significance in dune stabilization in Gurbantunggut Desert

Based on systematically monitoring plants on dune ridges in the southern part of the Gurbantunggut Desert in 2002, this paper, from the angle of dune stabilization by vegetation, describes the temporal and spa...

… in Journal of Geographical Sciences (2003)

Article

Interactions between crystal violet and AOT in aqueous solutions and in AOT/isooctane/water microemulsions

The absorbance of crystal violet (CV) in a series of aqueous solutions and a series of sodium bis(2-ethyl-hexyl) sulfosuccinate (AOT)/isooctane/water microemulsions has been determined. Association models have...

**aojuan Hao, Xueqin An, Zhiyun Chen, Weiguo Shen in Chinese Science Bulletin (2004)

Article

Rat Ghrelin Stimulates GH Release and GH mRNA Expressionin the Pituitary of Orange-spotted Grouper, Epinephelus Coioides

Ghrelin was recently demonstrated as an endogenous ligand of the growth hormone (GH) secretagogue receptor (GHS-R), which could promote the release of GH in mammal significantly. The present study conducted to...

Xueqin Ran, Wensheng Li, Haoran Lin in Fish Physiology and Biochemistry (2004)

Article

Transfer of bacterial blight resistance from Oryza meyeriana to O. sativa L. by asymmetric somatic hybridization

Asymmetric somatic hybrid plants were produced between cultivated rice (Oryza sativa L.) and wild species [O. meyeriana (Zoll. etMor. exSteud.)] with high resistance to rice bacterial blight. X-ray-irradiated pro...

Yongsheng Zhu, Baotang Chen, Shunwu Yu, Duanpin Zhang… in Chinese Science Bulletin (2004)

Article

Identification and function analysis of spectrin-like protein in pollen tubes of lily (Lilium davidii Duch)

The elongation of pollen tube is an important process of sexual reproduction in higher plant. Cytoskeleton plays a major regulatory role in the elongation of pollen tubes. But whether membrane skeleton is invo...

Xueqin Zhang, Ming Yuan, Xuechen Wang in Chinese Science Bulletin (2004)

Article

On the sand surface stability in the southern part of Gurbantünggüt Desert

Longitudinal dunes are the most widespread dune types in the world sand seas but comprehensive study on the sand surface stability is scarce. The southern part of Gürbantünggüt Desert is mainly covered by long...

Xueqin Wang, Tao Wang, ** Jiang, Congju Zhao in Science in China Series D: Earth Sciences (2005)