775 Result(s)

Article

Cyclovergence: a comparison of objective and psychophysical measurements

Several psychophysical procedures have been used to measure cyclovergence but none has been adequately validated with respect to an objective measure. Scleral search coils were used to measure cyclovergence in...

Ian P. Howard, Masao Ohmi, Li Sun in Experimental Brain Research (1993)

Article

Cycloversion and cyclovergence: the effects of the area and position of the visual display

Rotation of a display in the frontal plane evokes a conjugate nystagmic rotation of the eyes (cycloversion) about the visual axes, with slow phases in the direction of stimulus motion — a response known as tor...

Ian P. Howard, Li Sun, **aomei Shen in Experimental Brain Research (1994)

Article

Cycloversion and cyclovergence: The effects of the area and position of the visual display

Rotation of a display in the frontal plane evokes a conjugate nystagmic rotation of the eyes (cycloversion) about the visual axes, with slow phases in the direction of stimulus motion - a response known as tor...

Ian P. Howard, Li Sun, **aomei Shen in Experimental Brain Research (1994)

Article

The emergence of a highly transmissible lineage of cbl⁺ Pseudomonas (Burkholderia) cepacia causing CF centre epidemics in North America and Britain

The rapid increase in Pseudomonas (Burkholderia) cepacia infection in cystic fibrosis (CF) patients suggests epidemic transmission, but the degree of transmissibility remains controversial as conflicting conclusi...

Li Sun, Ru-Zhang Jiang, Suzanne Steinbach, Alison Holmes… in Nature Medicine (1995)

Article

Conductive LaNiO₃ electrode grown by pulsed laser ablation on Si substrate

Using the pulsed laser ablation (PLA) technique, conductive LaNiO₃ thin films have been successfully grown on (001) Si substrates. The XRD θ-2θ scan patterns indicate a preferential (110) orientation, and the ele...

Li Sun, Tao Yu, Yan-Feng Chen, Jun Zhou, Nai-Ben Ming in Journal of Materials Research (1997)

Article

Epitaxial growth of PbTiO₃ thin film on (110) NdGaO₃ substrate by metalorganic chemical vapor deposition

(001) preferentially oriented PbTiO₃ thin films have been grown on (110) NdGaO₃ substrates by metalorganic chemical vapor deposition (MOCVD) under reduced pressure at 650°C. Atomic force microscopy (AFM) surface ...

Li Sun, Yan-Feng Chen, Lei He, Chuan-Zheng Ge… in Zeitschrift für Physik B Condensed Matter (1997)

Article

Discussion

Nhu D. Le, Li Sun, James V. Zidek in Environmental and Ecological Statistics (1999)

Article

Liver regeneration after partial hepatectomy is non-uniform: flow cytometric bromodeoxyuridine incorporation and cell cycle studies in a porcine model

The rate of hepatocyte regeneration at different anatomical locations of the remnant liver after partial hepatectomy was assessed in porcine hepatocytes by bromodeoxyuridine (BrdUr) incorporation and cell cycl...

Li Sun, Pierce K. H. Chow, Stephanie M. C. Fook-Chong… in Research in Experimental Medicine (1999)

Article

Survival of, and plasmid transfer between modified Enterobacter cloacae strains under long-term starvation conditions in a continuous-flow system

Continuous-flow, packed-bed column reactors, which provide an experimental model of a soil profile, were used to investigate survival of, and plasmid transfer between, strains of Enterobacter cloacae. When col...

Li Sun, Michael J. Bazin, James M. Lynch in World Journal of Microbiology and Biotechnology (1999)

Article

A new function for CD38/ADP-ribosyl cyclase in nuclear Ca²⁺ homeostasis

Nucleoplasmic calcium ions (Ca²⁺) influence nuclear functions as critical as gene transcription, apoptosis, DNA repair, topoisomerase activation and polymerase unfolding. Although both inositol trisphosphate rece...

Olugbenga A. Adebanjo, Hindupur K. Anandatheerthavarada… in Nature Cell Biology (1999)

Article

A Phycoerythrin-Allophycocyanin Complex from the Intact Phycobilisomes of the Marine Red Alga Polysiphonia Urceolata

A phycoerythrin-allophycocyanin (PE-AP) complex was obtained from intact phycobilisomes of the marine red alga Polysiphonia urceolata. Study of spectral properties and polypeptide components showed that the compl...

Li Sun, Shumei Wang in Photosynthetica (2000)

Article

Experimental study of yishou tiaozhi tablet on free radical metabolism in aging model mice

Objective: To observe the effect of Yishou Tiaozhi tablet (YSTZT) on the metabolism of free radical in mice of aging model.Methods: Using the aging model induced by hypodermic injection of 5% Dgl...

Bingkuang Zhu, Li Sun, Shifu Zheng… in Chinese Journal of Integrated Traditional … (2000)

Chapter

Dendrimer-Encapsulated Metals and Semiconductors: Synthesis, Characterization, and Applications

This chapter describes composite materials composed of dendrimers and metals or semiconductors. Three types of dendrimer/metal-ion composites are discussed: dendrimers containing structural metal ions, nonstru...

Richard M. Crooks, Buford I. Lemon III, Li Sun, Lee K. Yeung, Mingqi Zhao in Dendrimers III (2001)

Article

The role of Sm ions in optical storage of SrS : Eu, Sm

The optical absorption spectra of infrared stimulable phosphor SrS: Eu, Srn in the saturated and bleached states of optical storage were investigated. The valence and number of Sm³⁺ ions were examined via the Sm^3...

Zhiyi He, Yongsheng Wang, Li Sun, Yanbing Hou… in Science in China Series A: Mathematics (2001)

Article

Efficient transformation of the medicinal mushroomGanoderma lucidum

Ganoderma lucidum is a well-known and important medicinal mushroom, but its genetic modification has not been reported. We developed an efficient procedure for isolation and regeneration of proto...

Li Sun, Huaqing Cai, Weihong Xu, Yuanlei Hu, Yin Gao… in Plant Molecular Biology Reporter (2001)

Article

CaMV 35S promoter directs β-glucuronidase expression in Ganoderma lucidum and Pleurotus citrinopileatus

The cauliflower mosaic virus (CaMV) 35S promoter has been most commonly used in plant transformation studies, but its activity in mushrooms has not been reported. p301-b is a binary vector containing a bialaph...

Li Sun, Huaqing Cai, Weihong Xu, Yuanlei Hu, Zhong** Lin in Molecular Biotechnology (2002)

Article

Rhenium-osmium isotope constraints on the age and source of the platinum mineralization in the Lower Cambrian black rock series of Hunan-Guizhou provinces, China

The shale at the bottom of the Lower Cambrian black series in South China is rich in nonferrous metals, noble metals, rare and dispersed elements and radioactive elements, known as “polyelement-rich bed”. In o...

Shengrong Li, Qiyun **ao, Junfeng Shen, Li Sun… in Science in China Series D: Earth Sciences (2003)

Article

The effect of hepatitis B vaccination on the incidence of childhood HBV-associated nephritis

The aim of the present study was to investigate the effect of a vaccination program for hepatitis B virus (HBV) on the incidence of HBV-associated glomerulonephritis (HBV-GN). In total, 727 renal biopsies were...

Hong Xu, Li Sun, Li-Jun Zhou, Li-Jun Fang, Fang-Yun Sheng… in Pediatric Nephrology (2003)