L. Zheng, H. Li, W. Yang, Jan H. Meinke, Ipan Mohanty, ...
published in
Zheng, L., Watson, D.G., Johnston, B.F., Clark, Rachael L., Edrada, Ru Angelie, Elseheri, W.
A reverse phase high performance liquid chromatography (HPLC) separation was established for profiling water soluble compounds in extracts from tea. Whole chromatograms were pre-processed by...
Chen, J., Xiong, J., Wang, J., ...
Background: To compare capecitabine/cisplatin with 5-fluorouracil/cisplatin as first-line treatment for advanced gastric cancer (AGC). Patients and methods: In this randomised, open-label, phase III...
Ma, F.; School Of Municipal And Environmental Engineering, Harbin Institute Of Technology, Harbin 150090, China; Mafangsci@163.com, Zheng, L.; School Of Municipal And Environmental Engineering, Harbin Institute Of Technology, Harbin 150090, China, Chi, Y.; School Of Municipal And Environmental Engineering, Harbin Institute Of Technology, Harbin 150090, China
In this study, coagulation performance by using biological flocculants (BFs; produced from strain Bacillus sp. F6) for turbidity removal was investigated. The results demonstrated that BFs were able...
Zheng, L., Watson, D.G., Tettey, J.N.A., Clements, C. A.
Metal complexes of Fe(III) such as Fe(III) ethylene diamine tetraacetic acid (FeETDA) have been observed to be effective molluscicides. The mechanism of toxicity of FeEDTA complex on molluscs is not...
Chemical properties of the transactinide elements studied in liquid phase with SISAK (2008)
Omtvedt, J.P., Alstad, J., Bjornstad, T., Dullmann, Ch.E., Gregorich, K.E., Hoffman, D.C., ...
This article starts with a review of the current SISAK liquid-liquid extraction system, as used after the physical preseparator BGS at LBNL for chemical studies of transactinide elements. Emphasis...
System Concept of a Novel Converging DVB-T and UMTS Mobile System (2007)
J. Cosmas, T. Itagaki, L. Cruickshank, L. Zheng, K. Krishnapillai, A. Lucas, ...
concept of delivering rich multimedia content to mobile users simultaneously by using the DVB-T broadcast network and UMTS/GPRS mobile telecom network. The basic converging service concept is the...
Towards a STEP-NC Compliant Model for Representation of Machine Tools (2007)
Vichare, P, Nassehi, A, Kumar, S, Newman, S. T., Zheng, L, Dhokia, V
A Hierarchical Case Process Knowledge Model for Supporting Rapid Process Configuration (2007)
Zheng, L, Dong, H. H., Vichare, P, Nassehi, A, Newman, S. T., Guo, J
'Interoperable CNC for Global Manufacturing (2007)
Newman, S. T., Xu, X. W., Wang, L, Yusof, Y, Ali, L, ...
Cognitive impact of subcortical vascular and Alzheimer's disease pathology (2006)
Chui, H C, Zarow, C, Mack, W J, Ellis, W G, Zheng, L, Jagust, W J, ...
Objective: To assess the interactions among three types of pathology (ie, cerebrovascular disease, hippocampal sclerosis [HS], and Alzheimer's disease [AD]), cognitive status, and apolipoprotein E...
The Dynamics and Associations of Airway Neutrophilia Post Lung Transplantation (2006)
Zheng, L, Whitford, HM, Orsida, B, Levvey, BJ, Bailey, M, Walters, EH, ...
Feltis, BN, Wignarajah, D, Zheng, L, Ward, C, Reid, DW, Harding, R, ...
Progress Reports, See Page, For Interim, Progress Report Instructions, L. Zheng, ...
is forwarded for your information.
Adaptive service agreement and process management (2006)
Wu, B., Zhang, J., Chhetri, Mohan Baruwal, Lin, J., Goh, S. K., Nguyen, X. T., ...
The ASAPM project aims at developing new techniques, mechanisms and software solutions for enablement of flexible, dynamic and robust management of serviceoriented application provision processes to...
Predicting early-age temperatures of blended-cement concrete (2006)
Paine, Kevin A, Dhir, R K, Zheng, L
The advisability of controlling the temperature rise and fall in concrete at early age is well recognised, and the choice of an appropriate low-heat cement with suitable heat of hydration...
Adaptive service agreement and process management (2006)
Wu, B., Zhang, J., Chhetri, Mohan Baruwal, Lin, J., Goh, S. K., Nguyen, X. T., ...
The ASAPM project aims at developing new techniques, mechanisms and software solutions for enablement of flexible, dynamic and robust management of serviceoriented application provision processes to...
Localization of Relative-Position of Two Atoms Induced by Spontaneous Emission (2005)
Zheng, L., Li, C., Li, Y., Sun, C. P.
We revisit the back-action of emitted photons on the motion of the relative position of two cold atoms. We show that photon recoil resulting from the spontaneous emission can induce the localization...
Toll-like receptors in invertebrate innate immunity (2005)
L Zheng, L Zhang, H Lin, MT McIntosh, AR Malacrida
Among invertebrates, innate immunity is the only defense mechanism against harmful non-self agents.In response to recognition of microbial pattern molecules, Drosophila melanogaster activates either...
Zheng, L, Orsida, B, Whitford, H, Levvey, B, Ward, C, Walters, EH, ...
Experimental study and modelling of heat evolution of blended cements (2005)
Paine, Kevin A, Zheng, L, Dhir, R K
The advisability of controlling the temperature rise and fall in concrete at early age is well recognised, and the choice of an appropriate, low-heat cement with suitable heat of hydration...
The effect of grain size on the mechanical properties of AM-SC1 (2004)
Dunlop, G., Beetles, C.J., Griffiths, J. R., Venkatesan, K., Zheng, L., Ma, Q.
Zheng, L, Walters, EH, Wang, N, Whitford, H, Orsida, B, Levvey, B, ...
Angiogenic sprouting is increased in the airways in asthma (2004)
Wignarajah, D, Zheng, L, Pais, M, Reid, DW, Harding, R, Walters, EH
The effect of grain size on the mechanical properties of AM-SC1 (2004)
Dunlop, G., Beetles, C.J., Griffiths, J. R., Venkatesan, K., Zheng, L., Ma, Q.
Maximizing throughput over parallel wire structures in the deep submicrometer regime. (2003)
Pamunuwa, Dinesh, Tenhunen, H., Zheng, L.
In a parallel multiwire structure, the exact spacing and size of the wires determine both the resistance and the distribution of the capacitance between the ground plane and the adjacent signal...
Alloying of pure magnesium with Mg-33.3 wt-%Zr master alloy (2003)
Qian, M, Graham, D, Zheng, L, StJohn, DH, Frost, MT
To capitalise on the strengthening potential of zirconium as a potent grain refiner for magnesium alloys, the mechanisms of adding zirconium to magnesium and its subsequent grain refining action need...
Evidence for a Type-II band alignment between cubic and hexagonal phases of GaN (2003)
Lu, XH, Yu, PY, Zheng, L, Xu, S, Xie, MH, Tong, DSY
The photoluminescence spectra of a series of thin, undoped, hexagonal GaN films containing cubic GaN inclusions grown by molecular-beam epitaxy on 6H-SiC have been studied as a function of...
Inhaled corticosteroids decrease vessel numbers in the airway wall of asthmatics (2003)
Wignarajah, D, Zheng, L, Pais, M, Reid, DW, Harding, R, Ward, C, ...
Alloying of pure magnesium with Mg-33.3 wt-%Zr master alloy (2003)
Qian, M, Graham, D, Zheng, L, StJohn, DH, Frost, MT
To capitalise on the strengthening potential of zirconium as a potent grain refiner for magnesium alloys, the mechanisms of adding zirconium to magnesium and its subsequent grain refining action need...
Solution treatment effects in Al-Si-Mg casting alloys: Part 1 - intermetallic phases (2002)
Taylor, J. A., St John, D. H., Zheng, L., Edwards, G. A., Barresi, J., Couper, M. J.
Increased soluble CD14 in bronchoalveolar lavage fluid of stable lung transplant recipients (2002)
Ward, C, Walters, EH, Zheng, L, Whitford, H, Williams, TJ, Snell, GI
Carnahan, J., Zheng, L., Taylor, C. E., Touré, Y. T., Norris, D. E., Dolo, G., ...
Anopheles gambiae sensu stricto is a principal vector of malaria through much of sub-Saharan Africa, where this disease is a major cause of morbidity and mortality in human populations. Accordingly,...
Zhao, MC, Shan, YY, Qu, JB, Yang, K, Gao, S, Zheng, L
Effects of technological parameters of thermo-mechanical control process (TMCP) on microstructure and mechanical properties of X60 pipeline steel have been investigated. Regression equations...
The effects of gender on exhaled Nitric Oxide (NO) production among volunteers (2001)
Tsang, KWT, Ip, SK, Leung, YH, Tipoe, GL, Chan, LY, Shum, IH, ...
Validation of the Hong Kong Chinese version of St. George's Respiratory Questionnaire (2001)
Chan, LY, Fong, D, Lam, CLK, Chan-Yeung, MMW, Say, J, Leung, R, ...
Bronchoalveolar Lavage Macrophage and Lymphocyte Phenotypes in Lung Transplant Recipients (2001)
Ward, C, Whitford, H, Snell, G, Bao, H, Zheng, L, Reid, D, ...
Iron overload and nitric oxide-derived oxidative stress folowing lung transplants (2001)
Reid, DW, Snell, GI, Ward, C, Krishnaswamy, R, Ward, R, Zheng, L, ...
Solution treatment effects in Al-Si-Mg casting alloys: Part 1 - intermetallic phases (2001)
Taylor, J. A., St John, D. H., Zheng, L., Edwards, G. A., Barresi, J., Couper, M. J.
Zhao, MC, Shan, YY, Qu, JB, Yang, K, Gao, S, Zheng, L
Effects of technological parameters of thermo-mechanical control process (TMCP) on microstructure and mechanical properties of X60 pipeline steel have been investigated. Regression equations...
Up-regulation of circulating adhesion molecules in stable bronchiectasis (2000)
Zheng, L, Lam, WK, Tipoe, GL, Leung, RH, Ho, JC, Shum, IH, ...
Airway neutrophilian in bronchiectasis: the role of TNF-α in vivo (2000)
Zheng, L, Lam, WK, Tipoe, GL, Ho, JC, Shum, IH, Ooi, CGC, ...
Up-regulation of circulating adhesion molecules in stable bronchiectasis (2000)
Zheng, L, Lam, WK, Tipoe, GL, Leung, RH, Ho, JCS, Shum, IHY, ...
Airway neutrophilian in bronchiectasis: the role of TNF-α in vivo (2000)
Zheng, L, Lam, WK, Tipoe, GL, Ho, JCS, Shum, IHY, Ooi, CGC, ...
Tsang, KWT, Chan, S, Fung, PCW, Zheng, L, Shum, IHY, Leung, RYH, ...
Tsang, KWT, Chan, S, Leung, RYH, Fung, PCW, Zheng, L, Lam, CL, ...
Endothelin-1 in the pathogenesis of stable bronchiectasis (1999)
Zheng, L, Tipoe, GL, Lam, WK, Ho, JCM, Leung, R, Ip, MSM, ...
Pseudomonas aeruginosa pyocyanin reduces cytokine levels in respiratory cell culture (1999)
Tsang, KWT, Leung, R, Ho, JCM, Chan, KN, Sun, JZ, Chan, S, ...
Adherence of pseudomonas aeruginosa to basement membrane collagen in vitro (1999)
Tsang, KWT, Chan, LY, Leung, R, Zheng, L, Ho, JCM, Cheung, TF, ...
Do neutrophils play a role in the bronchiolitis obliterans syndrome post-lung transplant? (1999)
Zheng, L, Walters, EH, Wang, N, Orsida, B, Ward, C, Williams, TJ, ...
Tsang, KWT, Chan, S, Leung, R, Zheng, L, Sun, JZ, Cheung, TF, ...
The effects of Pseudomonas aeruginosa infection on sputum elastase (1999)
Zheng, L, Leung, R, Ho, JCM, Chan, S, Lam, WK, Cheung, TF, ...
The pathogenic role of elastase in bronchiectasis (1999)
Tsang, KWT, Leung, R, Zheng, L, Lam, B, Ho, JCM, Cheung, TF, ...
A Wear Mechanism and the Relation of Wear to Hardness and Toughness in Bearing Steel 52100. (1998)
He, Zerong, Que, G. W., Zheng, L.
The surface morphology and asperity of sliding wear specimen of bearing steel have been measured and observed during wearing process by using SEM, replica technique and surface tracer; the...
A fast modular RLE-based inspection scheme for PCBs (1997)
Ercal Bunyak Hao, F. Ercal, F. Bunyak, F. Hao, L. Zheng
On-line inspection of PCBs requires acquisition and processing of gigabytes of image data in a matter of few seconds, especially when multi-layer and very high-resolution boards are used. To meet the...
Scenic Beauty Estimate of Forestry Images (1997)
N. Kalidindi, A. Le, J. Picone, L. Zheng
Abstract- The aesthetic quality of forests in the U.S. is
Yang, Kun, Moon, K., Belkhir, Lotfi, Mori, H., Girvin, S. M., MacDonald, A. H., ...
At strong magnetic fields double-layer two-dimensional-electron-gas systems can form an unusual broken symmetry state with spontaneous inter-layer phase coherence. The system can be mapped to an...
Intelligente Werkzeuge für das Office 2005. Zwischenbericht 1996 (1996)
Förster, M., Gerfelder, N., Höppner, S., Krömker, D., Loseries, F., Müller, W., ...
Wera, S, Zheng, L, Hooghe-Peters, E L, Belayew, A, Martial, Joseph, Velkeniers, B
It is at present well established that prolactin exerts a non-specific immunoactivating function. In this work we tested whether the immunosuppressant drugs cyclosporin A, FK506 and rapamycin...
Moon, K., Mori, H., Yang, Kun, Girvin, S. M., MacDonald, A. H., Zheng, L., ...
At strong magnetic fields double-layer two-dimensional-electron-gas systems can form an unusual broken symmetry state with spontaneous inter-layer phase coherence. In this paper we explore the rich...
GAS-PHASE INFRARED SPECTROSCOPY OF $N_{2} O$ IN A CQLLISIONALLY COOLED CELL AT 5 AND 10 (1994)
Ross, K. A., Willey, D. R., Mullin, A. S., Schowen, S., Zheng, L., Flynn, G. W.
Author Institution: Department of Physics, Allegheny College; Department of Chemistry and Columbia Radiation, Columbia University
Quantum Ferromagnetism and Phase Transitions in Double-Layer Quantum Hall Systems (1993)
Yang, Kun, Moon, K., Zheng, L., MacDonald, A. H., Girvin, S. M., Yoshioka, D., ...
Double layer quantum Hall systems have interesting properties associated with interlayer correlations. At $\nu =1/m$ where $m$ is an odd integer they exhibit spontaneous symmetry breaking equivalent...
TEMPERATURE DEPENDENCE OF SELF-BROADENED LINE MIXING IN A $CO_{2}$ Q BRANCH (1990)
$^{1}$ T. Muet, N. Lacome, and A. Levy, J. Mol. Spectrosc., 128, 206 (1988).
Zheng, L, Sjölander, A, Eckerdal, J, Andersson, T
It is known that beta 2 integrins are crucial for leukocyte cell-cell and cell-matrix interactions, and accumulating evidence now suggests that integrins serve not only as a structural link but also...
Cysteine desulfurase activity indicates a role for NIFS in metallocluster biosynthesis.
Zheng, L, White, R H, Cash, V L, Jack, R F, Dean, D R
Biological nitrogen fixation is catalyzed by nitrogenase, a complex metalloenzyme composed of two separately purifiable component proteins encoded by the structural genes nifH, nifD, and nifK....
In black cherry (Prunus serotina Ehrh.) macerates, the cyanogenic diglucoside (R)-amygdalin undergoes stepwise degradation to HCN catalyzed by amygdalin hydrolase (AH), prunasin hydrolase, and...
Promoter analysis and expression of a phospholipase D gene from castor bean.
Xu, L, Zheng, S, Zheng, L, Wang, X
The expression of a castor bean (Ricinus communis L.) phospholipase D (PLD; EC 3.1.4.4) gene has been studied by examining its promoter activity in transgenic tobacco (Nicotiana tabacum) carrying a...
Zheng, L., Watson, C. F., DellaPenna, D.
The [beta] subunit of tomato (Lycopersicon esculentum Mill.) fruit polygalacturonase 1 is a cell wall glycoprotein that binds to and apparently regulates the catalytic PG2 polypeptide in vivo. [beta]...
Zheng, L, Heupel, R C, DellaPenna, D
We have purified and isolated cDNAs encoding the beta subunit of tomato fruit polygalacturonase isoenzyme 1 (PG1), a cell wall protein that associates with, and apparently regulates, the catalytic...
Watson, C F, Zheng, L, DellaPenna, D
The developmental changes that accompany tomato fruit ripening include increased solubilization and depolymerization of pectins due to the action of polygalacturonase (PG). Two PG isoenzymes can be...
Purification of the Azotobacter vinelandii nifV-encoded homocitrate synthase.
Zheng, L, White, R H, Dean, D R
The nifV gene product (NifV) from Azotobacter vinelandii was recombinantly expressed at high levels in Escherichia coli and purified. NifV is a homodimer that catalyzes the condensation of acetyl...
Role of NifS in maturation of glutamine phosphoribosylpyrophosphate amidotransferase.
Chen, S, Zheng, L, Dean, D R, Zalkin, H
Glutamine phosphoribosylpyrophosphate amidotransferase from Bacillus subtilis is synthesized as an inactive precursor that requires two maturation steps: incorporation of a [4Fe-4S] center and...
Overproduction and purification of McrC protein from Escherichia coli K-12.
The McrC protein, encoded by one of the two genes involved in the McrB restriction system, was produced in Escherichia coli cells by using a T7 expression system. Following sequential DEAE-Sepharose...
Chen, G C, Zheng, L, Chan, C S
Normal cell growth in the yeast Saccharomyces cerevisiae involves the selection of genetically determined bud sites where most growth is localized. Previous studies have shown that BEM2, which...
Zheng, L, Nibbering, P H, Van Furth, R
Earlier studies have shown that the intracellular killing of Staphylococcus aureus by human monocytes requires continuous stimulation by serum factors, e.g., immunoglobulin G (IgG). In the present...
Cesnjaj, M, Zheng, L, Catt, K J, Stojilkovic, S S
Stimulation of phospholipase D activity is frequently observed during agonist activation of Ca(2+)-mobilizing receptors, but the cellular functions of this signaling pathway are not well defined....
Zheng, L, Nibbering, P H, Zomerdijk, T P, Van Furth, R
Our previous study revealed that the intracellular killing of Staphylococcus aureus by human monocytes after cross-linking Fc gamma receptor I (Fc gamma RI) or Fc gamma RII is a phospholipase C...
Multicenter Evaluation of a New Screening Test That Detects Clostridium difficile in Fecal Specimens
Zheng, L., Keller, S. F., Lyerly, D. M., Carman, R. J., Genheimer, C. W., Gleaves, C. A., ...
Clostridium difficile causes approximately 25% of nosocomial antibiotic-associated diarrheas and most cases of pseudomembranous colitis. We evaluated C. DIFF CHEK, a new screening test that detects...
Analysis of phosphorescence in heterogeneous systems using distributions of quencher concentration.
Golub, A S, Popel, A S, Zheng, L, Pittman, R N
A continuous distribution approach, instead of the traditional mono- and multiexponential analysis, for determining quencher concentration in a heterogeneous system has been developed. A mathematical...
Expression of a 50 kDa putative receptor for bovine viral diarrhea virus in bovine fetal tissues.
Zheng, L, Zhang, S, Xue, W, Kapil, S, Minocha, H C
The expression of a 50 kDa bovine viral diarrhea virus putative receptor in different bovine fetal tissues from 3-month old fetuses was studied. The receptor expression was examined by...
Grönroos, E, Andersson, T, Schippert, A, Zheng, L, Sjölander, A
We have previously shown that the leukotriene D4 (LTD4)-induced mobilization of intracellular Ca2+ in epithelial cells is mediated by a G-protein that is distinctly different from the pertussis...
Hellberg, C, Molony, L, Zheng, L, Andersson, T
Engagement of beta 2 integrins triggers a tyrosine kinase-dependent intracellular mobilization and influx of Ca2+ in human neutrophils. However, the transduction pathway involved in generating this...
Zheng, L, Yu, L, Tu, Q, Zhang, M, He, H, Chen, W, ...
Two novel members of the human cAMP-dependent protein kinase inhibitor (PKI) gene family, PKIB and PKIG, were cloned. The deduced proteins showed 70% and 90% identity with mouse PKIbeta and PKIgamma...
Lentz, B R, Wu, J R, Zheng, L, Prevrátil, J
Several structural methods were used to probe the influence of three fusogenic and four nonfusogenic amphipaths on large, unilamellar dipalmitoylphosphatidylcholine (DPPC) vesicles. For four of these...
Zheng, L, Merriam, J C, Zaider, M
PURPOSE: This study compares the change over time of the astigmatism caused by "large" incision extracapsular cataract extraction (ECCE) and three smaller incisions for phakoemulsification. Based on...
Change on the horizontal and vertical meridians of the cornea after cataract surgery.
Merriam, J C, Zheng, L, Urbanowicz, J, Zaider, M
PURPOSE: To compare the course and magnitude of change on the horizontal and vertical meridians of the cornea after 5 different incisions for cataract: extracapsular cataract extraction (ECCE), 6 mm...
An Integrated Genetic Map of the African Human Malaria Vector Mosquito, Anopheles Gambiae
Zheng, L., Benedict, M. Q., Cornel, A. J., Collins, F. H., Kafatos, F. C.
We present a genetic map based on microsatellite polymorphisms for the African human malaria vector, Anopheles gambiae. Polymorphisms in laboratory strains were detected for 89% of the tested...
Dimopoulos, G., Zheng, L., Kumar, V., Torre, A. D., Kafatos, F. C., Louis, C.
Randomly amplified polymorphic DNA (RAPD) markers have been integrated in the genetic and cytogenetic maps of the malaria vector mosquito, Anopheles gambiae. Fifteen of these markers were mapped by...
Zheng, L, Sjölander, A, Eckerdal, J, Andersson, T
It is known that beta 2 integrins are crucial for leukocyte cell-cell and cell-matrix interactions, and accumulating evidence now suggests that integrins serve not only as a structural link but also...
Cysteine desulfurase activity indicates a role for NIFS in metallocluster biosynthesis.
Zheng, L, White, R H, Cash, V L, Jack, R F, Dean, D R
Biological nitrogen fixation is catalyzed by nitrogenase, a complex metalloenzyme composed of two separately purifiable component proteins encoded by the structural genes nifH, nifD, and nifK....
In black cherry (Prunus serotina Ehrh.) macerates, the cyanogenic diglucoside (R)-amygdalin undergoes stepwise degradation to HCN catalyzed by amygdalin hydrolase (AH), prunasin hydrolase, and...
Promoter analysis and expression of a phospholipase D gene from castor bean.
Xu, L, Zheng, S, Zheng, L, Wang, X
The expression of a castor bean (Ricinus communis L.) phospholipase D (PLD; EC 3.1.4.4) gene has been studied by examining its promoter activity in transgenic tobacco (Nicotiana tabacum) carrying a...
Zheng, L., Watson, C. F., DellaPenna, D.
The [beta] subunit of tomato (Lycopersicon esculentum Mill.) fruit polygalacturonase 1 is a cell wall glycoprotein that binds to and apparently regulates the catalytic PG2 polypeptide in vivo. [beta]...
Zheng, L, Heupel, R C, DellaPenna, D
We have purified and isolated cDNAs encoding the beta subunit of tomato fruit polygalacturonase isoenzyme 1 (PG1), a cell wall protein that associates with, and apparently regulates, the catalytic...
Watson, C F, Zheng, L, DellaPenna, D
The developmental changes that accompany tomato fruit ripening include increased solubilization and depolymerization of pectins due to the action of polygalacturonase (PG). Two PG isoenzymes can be...
Purification of the Azotobacter vinelandii nifV-encoded homocitrate synthase.
Zheng, L, White, R H, Dean, D R
The nifV gene product (NifV) from Azotobacter vinelandii was recombinantly expressed at high levels in Escherichia coli and purified. NifV is a homodimer that catalyzes the condensation of acetyl...
Role of NifS in maturation of glutamine phosphoribosylpyrophosphate amidotransferase.
Chen, S, Zheng, L, Dean, D R, Zalkin, H
Glutamine phosphoribosylpyrophosphate amidotransferase from Bacillus subtilis is synthesized as an inactive precursor that requires two maturation steps: incorporation of a [4Fe-4S] center and...
Overproduction and purification of McrC protein from Escherichia coli K-12.
The McrC protein, encoded by one of the two genes involved in the McrB restriction system, was produced in Escherichia coli cells by using a T7 expression system. Following sequential DEAE-Sepharose...
Chen, G C, Zheng, L, Chan, C S
Normal cell growth in the yeast Saccharomyces cerevisiae involves the selection of genetically determined bud sites where most growth is localized. Previous studies have shown that BEM2, which...
Zheng, L, Nibbering, P H, Van Furth, R
Earlier studies have shown that the intracellular killing of Staphylococcus aureus by human monocytes requires continuous stimulation by serum factors, e.g., immunoglobulin G (IgG). In the present...
Cesnjaj, M, Zheng, L, Catt, K J, Stojilkovic, S S
Stimulation of phospholipase D activity is frequently observed during agonist activation of Ca(2+)-mobilizing receptors, but the cellular functions of this signaling pathway are not well defined....
Zheng, L, Nibbering, P H, Zomerdijk, T P, Van Furth, R
Our previous study revealed that the intracellular killing of Staphylococcus aureus by human monocytes after cross-linking Fc gamma receptor I (Fc gamma RI) or Fc gamma RII is a phospholipase C...
Multicenter Evaluation of a New Screening Test That Detects Clostridium difficile in Fecal Specimens
Zheng, L., Keller, S. F., Lyerly, D. M., Carman, R. J., Genheimer, C. W., Gleaves, C. A., ...
Clostridium difficile causes approximately 25% of nosocomial antibiotic-associated diarrheas and most cases of pseudomembranous colitis. We evaluated C. DIFF CHEK, a new screening test that detects...
Analysis of phosphorescence in heterogeneous systems using distributions of quencher concentration.
Golub, A S, Popel, A S, Zheng, L, Pittman, R N
A continuous distribution approach, instead of the traditional mono- and multiexponential analysis, for determining quencher concentration in a heterogeneous system has been developed. A mathematical...
Expression of a 50 kDa putative receptor for bovine viral diarrhea virus in bovine fetal tissues.
Zheng, L, Zhang, S, Xue, W, Kapil, S, Minocha, H C
The expression of a 50 kDa bovine viral diarrhea virus putative receptor in different bovine fetal tissues from 3-month old fetuses was studied. The receptor expression was examined by...
An Integrated Genetic Map of the African Human Malaria Vector Mosquito, Anopheles Gambiae
Zheng, L., Benedict, M. Q., Cornel, A. J., Collins, F. H., Kafatos, F. C.
We present a genetic map based on microsatellite polymorphisms for the African human malaria vector, Anopheles gambiae. Polymorphisms in laboratory strains were detected for 89% of the tested...
Dimopoulos, G., Zheng, L., Kumar, V., Torre, A. D., Kafatos, F. C., Louis, C.
Randomly amplified polymorphic DNA (RAPD) markers have been integrated in the genetic and cytogenetic maps of the malaria vector mosquito, Anopheles gambiae. Fifteen of these markers were mapped by...
Grönroos, E, Andersson, T, Schippert, A, Zheng, L, Sjölander, A
We have previously shown that the leukotriene D4 (LTD4)-induced mobilization of intracellular Ca2+ in epithelial cells is mediated by a G-protein that is distinctly different from the pertussis...
Hellberg, C, Molony, L, Zheng, L, Andersson, T
Engagement of beta 2 integrins triggers a tyrosine kinase-dependent intracellular mobilization and influx of Ca2+ in human neutrophils. However, the transduction pathway involved in generating this...
Zheng, L, Yu, L, Tu, Q, Zhang, M, He, H, Chen, W, ...
Two novel members of the human cAMP-dependent protein kinase inhibitor (PKI) gene family, PKIB and PKIG, were cloned. The deduced proteins showed 70% and 90% identity with mouse PKIbeta and PKIgamma...
Lentz, B R, Wu, J R, Zheng, L, Prevrátil, J
Several structural methods were used to probe the influence of three fusogenic and four nonfusogenic amphipaths on large, unilamellar dipalmitoylphosphatidylcholine (DPPC) vesicles. For four of these...
Zheng, L, Merriam, J C, Zaider, M
PURPOSE: This study compares the change over time of the astigmatism caused by "large" incision extracapsular cataract extraction (ECCE) and three smaller incisions for phakoemulsification. Based on...
Change on the horizontal and vertical meridians of the cornea after cataract surgery.
Merriam, J C, Zheng, L, Urbanowicz, J, Zaider, M
PURPOSE: To compare the course and magnitude of change on the horizontal and vertical meridians of the cornea after 5 different incisions for cataract: extracapsular cataract extraction (ECCE), 6 mm...
Zheng, L., Walters, E, Ward, C., Wang, N., Orsida, B., Whitford, H., ...
BACKGROUND—The bronchiolitis obliterans syndrome (BOS) remains the major constraint on the long term success of lung transplantation. Neutrophils have been associated with fibrosing lung conditions...
Zheng, L, Zomerdijk, T P L, Van Den Barselaar, M T, Geertsma, M F, Van Furth, R, Nibbering, P H
Since arachidonic acid (AA) production by phospholipase A2 (PLA2) is essential for the Fcγ receptor (FcγR)-mediated respiratory burst and phagocytosis of opsonized erythrocytes by monocytes and...
Dai, H, Chen, J, Tao, Q, Zhu, J, Zhang, F, Zheng, L, ...
Aims: To evaluate effects of diltiazem on platelet hyper-reactivity in situations associated with endothelial injury and their possible relationship to cytosolic calcium concentration.
Zasada, I. A., Ferris, H., Zheng, L.
Extracts of Chinese herbal medicines from plants representing 13 families were tested for their ability to suppress plant-parasitic nematodes. Effective concentration (EC50 and EC90) levels for 18 of...
Plant Sources of Chinese Herbal Remedies: Effects on Pratylenchus vulnus and Meloidogyne javanica
More than 500 plant species, used alone or in combination, are documented in Chinese traditional medicine to have activity against helminth and micro-invertebrate pests of humans. We subjected 153...