X. Ma

Publication List Details

Period

1982 - 2008

Number

64

Co-Authors

Parameterization of sea-salt optical properties and physics of the associated radiative forcing (2008)

Li, J., Ma, X., Von Salzen, K., Dobbie, S.

The optical properties of sea-salt aerosol have been parameterized at solar and longwave wavelengths. The optical properties were parameterized in a simple functional form in terms of the ambient...

Parameterization of sea-salt optical properties and physics of the associated radiative forcing (2008)

Li, J., Ma, X., Von Salzen, K., Dobbie, S.

The optical properties of sea-salt aerosol have been parameterized at solar and longwave wavelengths. The optical properties were parameterized in a simple functional form in terms of the ambient...

Modelling sea salt aerosol and its direct and indirect effects on climate (2008)

Ma, X., Von Salzen, K., Li, J.

A size-dependent sea salt aerosol parameterization was developed based on the piecewise log-normal approximation (PLA) for aerosol size distributions. Results of this parameterization from...

Modelling sea salt aerosol and its direct and indirect effects on climate (2008)

Ma, X., Von Salzen, K., Li, J.

A size-dependent sea salt aerosol parameterization was developed based on the piecewise log-normal approximation (PLA) for aerosol size distributions. Results of this parameterization from...

Culturable bacteria in Himalayan ice in response to atmospheric circulation (2008)

Zhang, S., Hou, S., Ma, X., Qin, D., Chen, T.

Only recently has specific attention been given to culturable bacteria in Tibetan glaciers, but their relation to atmospheric circulation is less understood yet. Here we investigate the seasonal...

Culturable bacteria in Himalayan glacial ice in response to atmospheric circulation (2008)

Zhang, S., Hou, S., Ma, X., Qin, D., Chen, T.

Only recently has specific attention been given to culturable bacteria in Tibetan glaciers, but their relation to atmospheric circulation is less understood yet. Here we present the results of...

Culturable bacteria in Himalayan ice in response to atmospheric circulation (2008)

Zhang, S., Hou, S., Ma, X., Qin, D., Chen, T.

Only recently has specific attention been given to culturable bacteria in Tibetan glaciers, but their relation to atmospheric circulation is less understood yet. Here we investigate the seasonal...

Culturable bacteria in Himalayan glacial ice in response to atmospheric circulation (2008)

Zhang, S., Hou, S., Ma, X., Qin, D., Chen, T.

Only recently has specific attention been given to culturable bacteria in Tibetan glaciers, but their relation to atmospheric circulation is less understood yet. Here we present the results of...

Modelling sea salt aerosol and its direct and indirect effects on climate (2008)

Ma, X., Von Salzen, K., Li, J.

A size-dependent sea salt aerosol parameterization was developed based on the piecewise log-normal approximation (PLA) for aerosol size distributions. Results of this parameterization from...

Modelling sea salt aerosol and its direct and indirect effects on climate (2008)

Ma, X., Von Salzen, K., Li, J.

A size-dependent sea salt aerosol parameterization was developed based on the piecewise log-normal approximation (PLA) for aerosol size distributions. Results of this parameterization from...

Culturable bacteria in Himalayan glacial ice in response to atmospheric circulation (2007)

S. Zhang, S. Hou, X. Ma, D. Qin, T. Chen

Only recently has specific attention been given to culturable bacteria in Tibetan glaciers, but their relation to atmospheric circulation is less understood yet. Here we present the results of...

Phase Relations in the Li2O-V2O3-V2O5 System at 700 C: Correlations with Magnetic Defect Concentration in Heavy Fermion LiV2O4 (2006)

Das, S., Ma, X., Zong, X., Niazi, A., Johnston, D. C.

The phase relations in the Li2O-V2O3-V2O5 ternary system at 700 C for compositions in equilibrium with LiV2O4 are reported. This study clarified the synthesis conditions under which low and high...

Analysis of Cold Air Distribution System in an Office Building by the Numerical Simulation Method (2006)

Jian, Y., Li, D., Xu, H., Ma, X.

Numerical simulation is carried out in this paper to calculate indoor air patterns, which include angles of inlet direction and induced ratios in a typical official room. According to the simulation...

Analysis of Cold Air Distribution System in an Office Building by the Numerical Simulation Method (2006)

Jian, Y., Li, D., Xu, H., Ma, X.

Numerical simulation is carried out in this paper to calculate indoor air patterns, which include angles of inlet direction and induced ratios in a typical official room. According to the simulation...

Experimental demonstration of fractional orbital angular momentum entanglement of two photons (2005)

Oemrawsingh, S. S. R., Ma, X., Voigt, D., Aiello, A., Eliel, E. R., Hooft, G. W. 't, ...

The singular nature of a non-integer spiral phase plate allows easy manipulation of spatial degrees of freedom of photon states. Using two such devices, we have observed very high dimensional (D >...

Practical Decoy State for Quantum Key Distribution (2005)

Ma, X., Qi, B., Zhao, Y.

Decoy states have recently been proposed as a useful method for substantially improving the performance of quantum key distribution. Here, we present a general theory of the decoy state protocol...

Improving enterprise system support - a case-based approach (2004)

Wognum, P.M., Krabbendam, J.J., Buhl, H., Ma, X., Kenett, R.

Many organisations have implemented or are implementing large enterprise systems, like ERP and PDM, for integrating their business functions and streamlining the flow of information. Implementing...

Improving enterprise system support - a case-based approach (2004)

Wognum, Dr. P.M., Krabbendam, Prof.dr.ir. J.J., Buhl, H., Ma, X., Kenett, R.

Many organisations have implemented or are implementing large enterprise systems, like ERP and PDM, for integrating their business functions and streamlining the flow of information. Implementing...

Improving enterprise system support - a case-based approach (2004)

Wognum, P.M., Krabbendam, J.J., Buhl, H., Ma, X., Kenett, R.

Many organisations have implemented or are implementing large enterprise systems, like ERP and PDM, for integrating their business functions and streamlining the flow of information. Implementing...

Influences of spin accumulation on the intrinsic spin Hall effect in two-dimensional electron gases with Rashba spin-orbit coupling (2004)

Ma, X, Hu, L, Tao, RB, Shen, SQ

In a two-dimensional electron gas with Rashba spin-orbit coupling, the external electric field may cause a spin Hall current in the direction perpendicular to the electric field. This effect was...

Data Mining for Intelligent Web Prefetching (2003)

Ajay Pandey, R. R. Vatsavai, X. Ma, Jaideep Srivastava, S. Shekhar

The growth of the World Wide Web has emphasized the need for improved user latency and customer experience. Increasing use of dynamic pages, frequent changes in site structure, and user access...

The Ly-6A (Sca-1) GFP transgene is expressed in all adult mouse hematopoietic stem cells (2002)

Ma, X., Robin, C., Ottersbach, K., Dzierzak, E.

The Sca-1 cell surface glycoprotein is used routinely as a marker of adult hematopoietic stem cells (HSCs), allowing a >100-fold enrichment of these rare cells from the bone marrow of the adult...

Index and secondary index theory for flat bundles with duality (2001)

Bunke, U., Ma, X.

We discuss some aspects of index and secondary index theory for flat bundles with duality. This theory was first developed by J. Lott. Our main purpose in the present paper is to provide a...

36Cl bomb pulse measured in a shallow ice core from Dye 3, Greenland (1982)

Elmore, D., Tubbs, Laura, Newman, D., Ma, X., Finkel, R., Nishizumi, K., ...

Article may be found at: http://www.nature.com/nature/journal/v300/n5894/index.html

36Cl bomb pulse measured in a shallow ice core from Dye 3, Greenland (1982)

Elmore, D., Tubbs, L., Newman, D., Ma, X., Finkel, R., Nishizumi, K., ...

Article may be found at: http://www.nature.com/nature/journal/v300/n5894/index.html

Interactions between heterologous FtsA and FtsZ proteins at the FtsZ ring.

Ma, X, Sun, Q, Wang, R, Singh, G, Jonietz, E L, Margolin, W

FtsZ and FtsA are essential for cell division in Escherichia coli and colocalize to the septal ring. One approach to determine what regions of FtsA and FtsZ are important for their interaction is to...

Normalization of diabetes in spontaneously diabetic cynomologus monkeys by xenografts of microencapsulated porcine islets without immunosuppression.

Sun, Y, Ma, X, Zhou, D, Vacek, I, Sun, A M

Porcine pancreatic islets were microencapsulated in alginate-polylysine-alginate capsules and transplanted intraperitoneally into nine spontaneously diabetic monkeys. After one, two, or three...

A novel role for ursodeoxycholic acid in inhibiting apoptosis by modulating mitochondrial membrane perturbation.

Rodrigues, C M, Fan, G, Ma, X, Kren, B T, Steer, C J

The hydrophilic bile salt ursodeoxycholic acid (UDCA) protects against the membrane-damaging effects associated with hydrophobic bile acids. This study was undertaken to (a) determine if UDCA...

Analysis of mouse major urinary protein genes: variation between the exonic sequences of group 1 genes and a comparison with an active gene out with group 1 both suggest that gene conversion has occurred between MUP genes.

Clark, A J, Chave-Cox, A, Ma, X, Bishop, J O

Here we compare the exonic sequences of four Group 1 mouse major urinary protein (MUP) genes and four Group 1 cDNA sequences. These define seven different nucleotide sequences which differ from each...

Contributions to gene activation by multiple functions of Bicoid.

Ma, X, Yuan, D, Scarborough, T, Ma, J

Bicoid is a Drosophila morphogenetic protein required for the development of anterior structures in the embryo. To gain a better understanding of how Bicoid works as a transcriptional activator, we...

Fast exocytosis with few Ca(2+) channels in insulin-secreting mouse pancreatic B cells.

Barg, S, Ma, X, Eliasson, L, Galvanovskis, J, Göpel, S O, Obermüller, S, ...

The association of L-type Ca(2+) channels to the secretory granules and its functional significance to secretion was investigated in mouse pancreatic B cells. Nonstationary fluctuation analysis...

Interactions between heterologous FtsA and FtsZ proteins at the FtsZ ring.

Ma, X, Sun, Q, Wang, R, Singh, G, Jonietz, E L, Margolin, W

FtsZ and FtsA are essential for cell division in Escherichia coli and colocalize to the septal ring. One approach to determine what regions of FtsA and FtsZ are important for their interaction is to...

Normalization of diabetes in spontaneously diabetic cynomologus monkeys by xenografts of microencapsulated porcine islets without immunosuppression.

Sun, Y, Ma, X, Zhou, D, Vacek, I, Sun, A M

Porcine pancreatic islets were microencapsulated in alginate-polylysine-alginate capsules and transplanted intraperitoneally into nine spontaneously diabetic monkeys. After one, two, or three...

A novel role for ursodeoxycholic acid in inhibiting apoptosis by modulating mitochondrial membrane perturbation.

Rodrigues, C M, Fan, G, Ma, X, Kren, B T, Steer, C J

The hydrophilic bile salt ursodeoxycholic acid (UDCA) protects against the membrane-damaging effects associated with hydrophobic bile acids. This study was undertaken to (a) determine if UDCA...

Analysis of mouse major urinary protein genes: variation between the exonic sequences of group 1 genes and a comparison with an active gene out with group 1 both suggest that gene conversion has occurred between MUP genes.

Clark, A J, Chave-Cox, A, Ma, X, Bishop, J O

Here we compare the exonic sequences of four Group 1 mouse major urinary protein (MUP) genes and four Group 1 cDNA sequences. These define seven different nucleotide sequences which differ from each...

Contributions to gene activation by multiple functions of Bicoid.

Ma, X, Yuan, D, Scarborough, T, Ma, J

Bicoid is a Drosophila morphogenetic protein required for the development of anterior structures in the embryo. To gain a better understanding of how Bicoid works as a transcriptional activator, we...

Fast exocytosis with few Ca(2+) channels in insulin-secreting mouse pancreatic B cells.

Barg, S, Ma, X, Eliasson, L, Galvanovskis, J, Göpel, S O, Obermüller, S, ...

The association of L-type Ca(2+) channels to the secretory granules and its functional significance to secretion was investigated in mouse pancreatic B cells. Nonstationary fluctuation analysis...

Inhibition of human interleukin-12 production by pentoxifylline.

Moller, D R, Wysocka, M, Greenlee, B M, Ma, X, Wahl, L, Trinchieri, G, ...

Pharmacological control of interleukin-12 (IL-12) production may be a key therapeutic strategy for modulating immunological diseases dominated by type-1 cytokine responses. In this study, we...

Dual mechanisms of angiotensin-induced activation of mouse sympathetic neurones

Ma, X, Bielefeldt, K, Tan, Z Y, Whiteis, C A, Snitsarev, V, Abboud, F M, ...

Ang II directly activates neurones in sympathetic ganglia. Our goal was to define the electrophysiological basis of this activation. Neurones from mouse aortic–renal and coeliac ganglia were...