N. Klein

Publication List Details

Period

1990 - 2009

Number

77

Co-Authors

Raman spectroscopy of (K,Na)NbO3 and ((K,Na)1-xLix)NbO3 (2008)

Trodahl, H. J., Klein, N., Damjanovic, D., Setter, N., Ludbrook, B., Rytz, D., ...

A Raman scattering spectroscopy study is reported through all four phases of a (K0.5Na0.5)NbO3 crystal and ((K0.5Na0.5)1-xLix)NbO3 for x=0.02 and 0.03. The transitions among the ferroelectric phases...

Differential activation of human and mouse Toll-like receptor 4 by the adjuvant candidate LpxL1 of Neisseria meningitidis (2008)

Keestra, A.M., Uronen-Hansson, H., Ley, P. Van Der, Callard, R., Klein, N., ...

Neisseria meningitidis LpxL1 lipopolysaccharide (LPS) bearing penta-acylated lipid A is considered a promising adjuvant candidate for inclusion in future N. meningitidis vaccines, as it elicits a...

Raman spectroscopy of (K,Na)NbO3 and (K,Na)(1-x)LixNbO3 (2008)

Trodahl, H.J., Klein, N., Damjanovic, D., Setter, N., Ludbrook, B., Rytz, D., ...

We report Raman spectroscopy in all four phases of a (K0.5+delta Na0.5-delta)NbO3 (delta similar to 0.03) crystal and ((K0.5+delta Na0.5-delta)(1-x)Li-x)NbO3 for x=0.02 and 0.03. The phase...

Understanding the slow depletion of memory CD4+ T cells in HIV infection (2007)

Yates, A., Stark, J., Klein, N., Antia, R., Callard, R.

Background: The asymptomatic phase of HIV infection is characterised by a slow decline of peripheral blood CD4+ T cells. Why this decline is slow is not understood. One potential explanation is that...

Risk and protective factors for meningococcal disease in adolescents: matched cohort study (2006)

Tully, J., Viner, R.M., Coen, P.G., Stuart, J.M., Zambon, M., Peckham, C., ...

Objective: To examine biological and social risk factors for meningococcal disease in adolescents. Design: Prospective, population based, matched cohort study with controls matched for age and sex in...

A Novel Metal-Dielectric Antenna for Terahertz Near-Field Imaging (2005)

Klein, N., Lahl, P., Poppe, U., Kadlec, F., Kuzel, P.

This version is available at the following Publisher URL: http://jap.aip.org

Correlation of microwave surface impedance of MgB_2 thin film with material parameters and a temperature niche for microwave applications (2004)

Jin, B. B., Dahm, T., Iniotakis, C., Gubin, A. I., Choi, Eun-Mi, Kim, Hyun Jung, ...

Two issues related to the microwave surface impedance Z_s of MgB_2 thin film are discussed in this Letter, both being significant for potential microwave applications. At first, a correlation between...

Endothelial and platelet microparticles in vasculitis of the young (2004)

Brogan, P.A., Shah, V., Brachet, C., Harnden, A., Mant, D., Klein, N., ...

Objective: Microparticles are released from endothelial cells in response to a variety of injurious stimuli and recently have been shown to be increased in a number of diseases associated with...

Vβ-restricted T cell adherence to endothelial cells: a mechanism for superantigen-dependent vascular injury (2004)

Brogan, P.A., Shah, V., Klein, N., Dillon, M.J.

Objective: To investigate the potential for endothelial cells to operate as superantigen-presenting cells for T cells and the potential for such an interaction to cause endothelial cell activation...

Anomalous microwave conductivity coherence peak in c-axis MgB2 thin film (2003)

Jin, B. B., Dahm, T., Gubin, A. I., Choi, Eun-Mi, Kim, Hyun Jung, Lee, Sung-IK, ...

The temperature dependence of the real part of the microwave complex conductivity at 17.9 GHz obtained from surface impedance measurements of two c-axis oriented MgB2 thin films reveals a pronounced...

A novel form of integrin dysfunction involving β1, β2, and β3 integrins (2003)

McDowall, A., Inwald, D., Leitinger, B., Jones, A., Liesner, R., Klein, N., ...

The adhesion receptors known as integrins perform key functions for hematopoietic cells. The platelet integrin αIIbβ3 is critical in hemostasis, and the β1 and β2 integrins on leukocytes have...

Titrimetric Analysis of Han-Based Liquid Propellants (2003)

Decker, M. M., Freedman, E., Klein, N., Leveritt, C. S., Wojciechowski, J. Q.

Liquid propellants that are aqueous mixtures of hydroxylammonium nitrate (HAN) and triethanolammonium nitrate (TEAN) are analyzed using a combination of acid-base and Karl Fischer titrimetry,...

Phase Noise of an HTS Resonator Operated in the Nonlinear Regime (2003)

Vitusevich, S. A., Klein, N., Zaitsev, A. G., Geerk, J.

This version is available at the following Publisher URL: http://ieeexplore.ieee.org/Xplore/dynhome.jsp

Microwave properties of MgB/sub 2/ thin films (2003)

Klein, N., Jin, B. B., Wördenweber, R., Lahl, P., Kang, W. N., ...

This version is available at the following Publisher URL: http://ieeexplore.ieee.org/Xplore/dynhome.jsp

Energy gap, penetration depth and surface resistance of MgB2 thin films determined by microwave resonator mesurements (2001)

Jin, B. B., Klein, N., Kang, W. N., Kim, Hyeong-Jin, Choi, Eun-Mi, Lee, Sung-Ik

We have measured the temperature dependence of the microwave surface impedance Zs = Rs + i\Omega\mu_0 \Lamda of two c-axis oriented MgB2 films at a frequency \Omega /(2\pi) of 17.9 GHz employing a...

Energy gap and London penetration depth of MgB_2 films determined by microwave resonator measurement (2001)

Klein, N., Jin, B. B., Schubert, J., Schuster, M., Yi, H. R., Pimenov, A., ...

We have measured the temperature dependence of the microwave surface impedance Z_s = R_s + i\Omega\mu_0 of a MgB2 film at a frequency \Omega /2\Pi of 18 GHz employing a dielectric resonator...

Dendritic cell activation and cytokine production induced by group B Neisseria meningitidis: interleukin-12 production depends on lipopolysaccharide expression in intact bacteria (2001)

Dixon, G.L.J., Newton, P.J., Chain, B.M., Katz, D., Andersen, S.R., Wong, S., ...

Interactions between dendritic cells (DCs) and microbial pathogens are fundamental to the generation of innate and adaptive immune responses. Upon stimulation with bacteria or bacterial components...

Ischemic preconditioning prevents endothelial injury and systemic neutrophil activation during ischemia-reperfusion in humans in vivo (2001)

Kharbanda, R.K., Peters, M., Walton, B., Kattenhorn, M., Mullen, M., Klein, N., ...

Background: Endothelial dysfunction leading to neutrophil infiltration of tissues has been implicated in tissue injury caused by ischemia-reperfusion (IR). Tissue injury during IR can be reduced by...

Characterization of four CD18 mutants in leucocyte adhesion deficient (LAD) patients with differential capacities to support expression and function of the CD11/CD18 integrins LFA-1, Mac-1 and p150,95 (2001)

Shaw, J.M., Al-Shamkhani, A., Boxer, L.A., Buckley, C.D., Dodds, A.W., Klein, N., ...

Leucocyte adhesion deficiency (LAD) is a hereditary disorder caused by mutations in the CD18 (β2 integrin) gene. Four missense mutations have been identified in three patients. CD18(A270V) supports,...

Cryogenic high-Q microwave resonators for stable oscillators (2001)

Vitusevich, S., Winter, M., Klein, N.

This version is available at the following Publisher URL: http://ieeexplore.ieee.org/Xplore/dynhome.jsp

High-Q dielectric resonator filters for C-band and Ku-band frequencies (2001)

Yi, H. R., Klein, N.

This version is available at the following Publisher URL: http://ieeexplore.ieee.org/Xplore/dynhome.jsp

Inhibin-B as a test of ovarian reserve for infertile women (1999)

Corson, S.L., Gutmann, J., Batzer, F.R., Wallace, H., Klein, N., Soules, M.R.

The objective of the study was to compare a standard clomiphene citrate challenge test with inhibin-B serum concentrations also obtained on cycle days 3 and 10 as a negative predictor of pregnancy in...

Ageing and social rank effects on the reproductive system of free-ranging yellow baboons (Papio cynocephalus) at Mikumi National Park, Tanzania (1998)

Wasser, SK, Norton, GW, Rhine, RJ, Klein, N, Kleindorfer, S

Ageing and social status effects on reproductive condition are examined in 106 wild female baboons from 1974 to 1997. The mean duration of each reproductive state (follicular and luteal phase...

Efficient Approximation Algorithms for Some Semidefinite Programs (1996)

Hsueh-i Lu, N. Klein, Franco P. Preparata, Pascal Van Hentenryck

ization problems. Nonlinear programming did not receive as much attention in this respect until the recent work by Goemans and Williamson [62]. They use semidefinite programs, which are nonlinear...

Anti-TNF therapy inhibits fever in cerebral malaria (1993)

KWIATKOWSKI, D., MOLYNEUX, M.E., STEPHENS, S., CURTIS, N., KLEIN, N., POINTAIRE, P., ...

The clinical effects of a murine monoclonal antibody (CB0006) directed against tumour necrosis factor were investigated in an open study of 41 Gambian children receiving otherwise conventional...

The hepatitis B virus HBx protein is a dual specificity cytoplasmic activator of Ras and nuclear activator of transcription factors.

Doria, M, Klein, N, Lucito, R, Schneider, R J

The HBx protein of hepatitis B virus (HBV) is a transcriptional activator that is required for infection and may play an important role in HBV-associated hepatocarcinogenesis. Recently, we and others...

Demystified …: Adhesion molecule deficiencies

Inwald, D, Davies, E G, Klein, N

The basic physiology of leucocyte emigration from the intravascular space into the tissues is now known to be dependent on a class of cell surface molecules that have come to be known as adhesion...

The hepatitis B virus HBx protein is a dual specificity cytoplasmic activator of Ras and nuclear activator of transcription factors.

Doria, M, Klein, N, Lucito, R, Schneider, R J

The HBx protein of hepatitis B virus (HBV) is a transcriptional activator that is required for infection and may play an important role in HBV-associated hepatocarcinogenesis. Recently, we and others...

Demystified …: Adhesion molecule deficiencies

Inwald, D, Davies, E G, Klein, N

The basic physiology of leucocyte emigration from the intravascular space into the tissues is now known to be dependent on a class of cell surface molecules that have come to be known as adhesion...

T cell Vβ repertoires in childhood vasculitides

Brogan, P A, Shah, V, Bagga, A, Klein, N, Dillon, M J

Superantigens (SAgs) are potent stimulators of T cells bearing specific Vβ T cell receptors (TCR) and may play a role in the aetiopathogenesis of systemic vasculitis, although this remains...

Gram-negative bacteria induce proinflammatory cytokine production by monocytes in the absence of lipopolysaccharide (LPS)

Uronen, H, Williams, A J, Dixon, G, Andersen, S R, Van Deuren, M, ...

Tumour necrosis factor-alpha (TNF-α), IL-1α and IL-6 production by human monocytes in response to a clinical strain of the Gram-negative encapsulated bacteria Neisseria meningitidis and an isogenic...

Characterization of four CD18 mutants in leucocyte adhesion deficient (LAD) patients with differential capacities to support expression and function of the CD11/CD18 integrins LFA-1, Mac-1 and p150,95

Shaw, J M, Al-Shamkhani, A, Boxer, L A, Buckley, C D, Dodds, A W, Klein, N, ...

Leucocyte adhesion deficiency (LAD) is a hereditary disorder caused by mutations in the CD18 (β2 integrin) gene. Four missense mutations have been identified in three patients. CD18(A270V) supports,...

Kawasaki disease: an evidence based approach to diagnosis, treatment, and proposals for future research

Brogan, P, Bose, A, Burgner, D, Shingadia, D, Tulloh, R, Michie, C, ...

This article proposes a clinical guideline for the diagnosis and treatment of Kawasaki disease in the UK based on the best available evidence to date, and highlights areas of practice where evidence...

Soluble L-selectin concentration in bronchoalveolar lavage fluid obtained from infants who develop chronic lung disease of prematurity

Kotecha, S, Silverman, M, Shaw, R, Klein, N

AIMS—To explore the changes in neutrophil adhesion molecule expression and release into bronchoalveolar lavage fluid (BAL) obtained from infants who developed chronic lung disease...

Natural human antibodies to pneumococcus have distinctive molecular characteristics and protect against pneumococcal disease

Baxendale, H E, Johnson, M, Stephens, R C M, Yuste, J, Klein, N, Brown, J S, ...

The molecular and functional characteristics of natural antibody from the preimmune repertoire have not been explored in detail in man. We describe seven human IgM monoclonal antibodies selected on...

T cell activation profiles in Kawasaki syndrome

Brogan, P A, Shah, V, Clarke, L A, Dillon, M J, Klein, N

Superantigens (SAgs) are potent stimulators of T cells bearing specific Vβ T cell receptors (TCR) and may play a role in the pathogenesis of Kawasaki syndrome (KS), although despite 15 years of...