X. Qian

Publication List Details

Period

1996 - 2009

Number

63

Co-Authors

Hard Photodisintegration of a Proton Pair (2009)

Pomerantz, I., Bubis, N., Allada, K., Beck, A., Beck, S., Berman, B. L., ...

We present a study of high energy photodisintegration of proton-pairs through the gamma + 3He -> p+p+n channel. Photon energies from 0.8 to 4.7 GeV were used in kinematics corresponding to a proton...

Study of the A(e,e'$\pi^+$) Reaction on $^1$H, $^2$H, $^{12}$C, $^{27}$Al, $^{63}$Cu and $^{197}$Au (2009)

Qian, X., Clasie, T. Horn. B.

Cross sections for the p($e,e'\pi^{+}$)n process on $^1$H, $^2$H, $^{12}$C, $^{27}$Al, $^{63}$Cu and $^{197}$Au targets were measured at the Thomas Jefferson National Accelerator Facility (Jefferson...

The extraction of $\phi-N$ total cross section from $d(\gamma,pK^{+}K^{-})n$ (2009)

Qian, X., Chen, W., Gao, H.

We report on the first measurement of the differential cross section of $\phi$-meson photoproduction for the $d(\gamma,pK^{+}K^{-})n$ exclusive reaction channel. The experiment was performed using a...

New measurements of the EMC effect in very light nuclei (2009)

Seely, J., Daniel, A., Gaskell, D., Arrington, J., Fomin, N., Solvignon, P., ...

New Jefferson Lab data are presented on the nuclear dependence of the inclusive cross section from 2H, 3He, 4He, 9Be and 12C for 0.3

Role of Hypertension in Aggravating Aβ Neuropathology of AD Type and Tau-Mediated Motor Impairment (2009)

C. Díaz-Ruiz, J. Wang, H. Ksiezak-Reding, L. Ho, X. Qian, N. Humala, ...

Epidemiological evidence suggests that hypertension may accelerate the onset and progression of Alzheimer's disease (AD). In this study, we explored the role of hypertension in the neurodegenerative...

Role of Hypertension in Aggravating Aβ Neuropathology of AD Type and Tau-Mediated Motor Impairment (2009)

C. Díaz-Ruiz, J. Wang, H. Ksiezak-Reding, L. Ho, X. Qian, N. Humala, ...

Epidemiological evidence suggests that hypertension may accelerate the onset and progression of Alzheimer's disease (AD). In this study, we explored the role of hypertension in the...

Relaxation of spin polarized 3He in mixtures of 3He and 4He below the 4He lambda point (2008)

Ye, Q., Dutta, D., Gao, H., Kramer, H., Qian, X., Zong, X., ...

We report a first study of the depolarization behavior of spin polarized 3He in a mixture of 3He-4He at a temperature below the 4He lambda point in a deuterated tetraphenyl butadiene-doped deuterated...

Search for the \phi-N bound state from \phi meson subthreshold production (2007)

Liska, S., Gao, H., Chen, W., Qian, X.

The subthreshold photoproduction of \phi mesons from heavy nuclear targets has been suggested as a candidate to search for the \phi-N bound state, a quantum chromodynamics molecular state. In this...

Transversity and Transverse Spin in Nucleon Structure through SIDIS at Jefferson Lab (2007)

Afanasev, A., Anselmino, M., Avakian, H., Cates, G., Chudakov, E., ...

The JLab 12 GeV upgrade with a proposed solenoid detector and the CLAS12 detector can provide the granularity and three-dimensional kinematic coverage in longitudinal and transverse momentum, $0.1\le...

Relaxation of Spin Polarized $^3$He in Mixtures of $^3$He and $^4$He Below the $^4$He Lambda Point (2006)

Ye, Q., Dutta, D., Gao, H., Kramer, K., Qian, X., Zong, X., ...

We report the first study of the depolarization behavior of spin polarized 3He in a mixture of 3He-4He at a temperature below the 4He Lambda point in a deuterated TetraPhenyl Butadiene-doped...

Two-Center, Two Electron Excitations Identified in NEXAFS for Solid Ne (2006)

Sambe, H., Qian, X., Ramaker, D. E.

Experimental K-edge NEXAFS (near edge X-ray absorption fine structure) data for solid Ne are compared with theoretical results. Seven features in the experimental spectrum that are not reproduced by...

Identification of Resonant, Two-Electron, and Inter-Atomic Features in K and L(sub23) NEXAFS Spectra (2006)

Sambe, H., Qian, X., Ramaker, David E., O'Grady, W. E.

Experimental Cl K NEXAFS spectra for Cl-hydrated in H20, and on passivated Al electrodes (below and above the pitting potential) have widely different spectral line shapes. Experimental K-and...

THE JAHN-TELLER EFFECT IN CH$_4^+$: ASSIGNMENT OF THE ROTATIONALLY RESOLVED PHOTOELECTRON SPECTRUM (2006)

Wörner, Hans Jakob, Qian, X., Merkt, F.

Author Institution: Laboratorium fur Physikalische Chemie, ETH Zurich, 8093 Zurich, Switzerland

Crystal-field Effect on Magnetic Moment and Exchange-Coupling for Fe/W(100) and Fe/W(110) (2003)

Qian, X., Huebner, W.

The Full-potential Linearized Augmented Plane-wave (FP-LAPW) method was employed to investigate the magnetic properties of 1 monolayer (ML) Fe on W(100) and W(110) substrates. Magnetic moments of the...

Mothers' perspectives on the quality of postpartum care in Central Shanghai, China (2002)

LOMORO, O. A., EHIRI, J. E., QIAN, X., TANG, S. L.

Objectives. To investigate mothers’ perspectives on the quality of postpartum care services in central Shanghai, China. Design. Semi-structured interviews. Setting. Two maternal and child health...

First principles calculation of structural and magnetic properties for Fe monolayers and bilayers on W(110) (1999)

Qian, X., Hübner, W.

Structure optimizations were performed for 1 and 2 monolayers (ML) of Fe on a 5 ML W(110) substrate employing the all-electron full-potential linearized augmented plane-wave (FP-LAPW) method. The...

IES Calibration for Main Thermocline Depth: A Method Using Integrated XBT Temperature Profiles. (1998)

Howden, S. D., Fields, E., Qian, X., Tracey, K., Watts, D. R.

A new method of calibrating Inverted Echo Sounder (IES) travel time measurements to main thermocline depths is described. Unlike the traditional method in which the thermocline is defined by a point...

Quantitative Interpretation of K-Edge NEXAFS Data for Various Nickel Hydroxides and the Charged Nickel Electrode. (1998)

Qian, X., Sambe, H., Ramaker, D. E.

A quantitative interpretation of Ni K-edge NEXAFS data for beta-Ni(OH)2, beta-NiOOH, and BaNiO3, and in situ data for a charged Ni electrode is reported. We have performed curve wave multiple...

Application of a Novel Differential XAFS Approach for Determination of Coordination Geometries. (1997)

Ramaker, D. E., Sambe, H., Qian, X., O'Grady, W. E.

A novel differential XAFS approach has been developed which allows the determination of small distortions in coordination geometry (distortions in bond lengths and angles) about the absorber. The...

Heterodimerization of epidermal growth factor receptor and wild-type or kinase-deficient Neu: a mechanism of interreceptor kinase activation and transphosphorylation.

Qian, X, LeVea, C M, Freeman, J K, Dougall, W C, Greene, M I

We have shown that members of the erbB family undergo homodimer and heterodimer formation. The rat p185c-neu and the epidermal growth factor receptor (EGFR) can associate into an active heterodimeric...

Ligand and p185c-neu density govern receptor interactions and tyrosine kinase activation.

Samanta, A, LeVea, C M, Dougall, W C, Qian, X, Greene, M I

The neu protooncogene (also known as c-erbB2, NGL, and HER2) encodes a 185-kDa transmembrane glycoprotein with intrinsic tyrosine kinase activity that resembles the receptor for epidermal growth...

Identification of nine tissue-specific transcription factors of the hepatocyte nuclear factor 3/forkhead DNA-binding-domain family.

Clevidence, D E, Overdier, D G, Tao, W, Qian, X, Pani, L, Lai, E, ...

Hepatocyte nuclear factor (HNF)-3 alpha, -3 beta, and -3 gamma are liver transcription factors that mediate the coordinate expression of a number of hepatocyte-specific genes. The HNF-3 proteins...

Direct Detection of Legionella Species from Bronchoalveolar Lavage and Open Lung Biopsy Specimens: Comparison of LightCycler PCR, In Situ Hybridization, Direct Fluorescence Antigen Detection, and Culture

Hayden, R. T., Uhl, J. R., Qian, X., Hopkins, M. K., Aubry, M. C., Limper, A. H., ...

We developed a rapid thermocycling, real-time detection (also known as real-time PCR) method for the detection of Legionella species directly from clinical specimens. This method uses the LightCycler...

Decreased expression of hepatocyte nuclear factor 3 alpha during the acute-phase response influences transthyretin gene transcription.

Qian, X, Samadani, U, Porcella, A, Costa, R H

Three distinct hepatocyte nuclear factor 3 (HNF-3) proteins (alpha, beta, and gamma) are known to regulate the transcription of numerous liver-specific genes. The HNF-3 proteins bind to DNA as...

Analysis of hepatocyte nuclear factor-3 beta protein domains required for transcriptional activation and nuclear targeting.

Qian, X, Costa, R H

Three distinct hepatocyte nuclear factor 3 (HNF-3) proteins (alpha, beta and gamma) regulate transcription of the transthyretin (TTR) and numerous other liver-specific genes. The HNF-3 proteins bind...

Retinoic acid-mediated activation of HNF-3 alpha during EC stem cell differentiation.

Jacob, A, Budhiraja, S, Qian, X, Clevidence, D, Costa, R H, Reichel, R R

We present evidence demonstrating that the liver-enriched transcription factor HNF-3 alpha is activated upon retinoic acid-induced differentiation of mouse F9 embryonal carcinoma cells. We have...

Hepatocyte nuclear factor 3 beta contains two transcriptional activation domains, one of which is novel and conserved with the Drosophila fork head protein.

Pani, L, Overdier, D G, Porcella, A, Qian, X, Lai, E, Costa, R H

The hepatocyte nuclear factor 3 (HNF-3) gene family is composed of three proteins (alpha, beta, and gamma) that are transcription factors involved in the coordinate expression of several liver genes....

Evidence for a novel natriuretic peptide receptor that prefers brain natriuretic peptide over atrial natriuretic peptide.

Goy, M F, Oliver, P M, Purdy, K E, Knowles, J W, Fox, J E, Mohler, P J, ...

Atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) exert their physiological actions by binding to natriuretic peptide receptor A (NPRA), a receptor guanylate cyclase (rGC) that...

Heterodimerization of epidermal growth factor receptor and wild-type or kinase-deficient Neu: a mechanism of interreceptor kinase activation and transphosphorylation.

Qian, X, LeVea, C M, Freeman, J K, Dougall, W C, Greene, M I

We have shown that members of the erbB family undergo homodimer and heterodimer formation. The rat p185c-neu and the epidermal growth factor receptor (EGFR) can associate into an active heterodimeric...

Ligand and p185c-neu density govern receptor interactions and tyrosine kinase activation.

Samanta, A, LeVea, C M, Dougall, W C, Qian, X, Greene, M I

The neu protooncogene (also known as c-erbB2, NGL, and HER2) encodes a 185-kDa transmembrane glycoprotein with intrinsic tyrosine kinase activity that resembles the receptor for epidermal growth...

Identification of nine tissue-specific transcription factors of the hepatocyte nuclear factor 3/forkhead DNA-binding-domain family.

Clevidence, D E, Overdier, D G, Tao, W, Qian, X, Pani, L, Lai, E, ...

Hepatocyte nuclear factor (HNF)-3 alpha, -3 beta, and -3 gamma are liver transcription factors that mediate the coordinate expression of a number of hepatocyte-specific genes. The HNF-3 proteins...

Direct Detection of Legionella Species from Bronchoalveolar Lavage and Open Lung Biopsy Specimens: Comparison of LightCycler PCR, In Situ Hybridization, Direct Fluorescence Antigen Detection, and Culture

Hayden, R. T., Uhl, J. R., Qian, X., Hopkins, M. K., Aubry, M. C., Limper, A. H., ...

We developed a rapid thermocycling, real-time detection (also known as real-time PCR) method for the detection of Legionella species directly from clinical specimens. This method uses the LightCycler...

Decreased expression of hepatocyte nuclear factor 3 alpha during the acute-phase response influences transthyretin gene transcription.

Qian, X, Samadani, U, Porcella, A, Costa, R H

Three distinct hepatocyte nuclear factor 3 (HNF-3) proteins (alpha, beta, and gamma) are known to regulate the transcription of numerous liver-specific genes. The HNF-3 proteins bind to DNA as...

Analysis of hepatocyte nuclear factor-3 beta protein domains required for transcriptional activation and nuclear targeting.

Qian, X, Costa, R H

Three distinct hepatocyte nuclear factor 3 (HNF-3) proteins (alpha, beta and gamma) regulate transcription of the transthyretin (TTR) and numerous other liver-specific genes. The HNF-3 proteins bind...

Retinoic acid-mediated activation of HNF-3 alpha during EC stem cell differentiation.

Jacob, A, Budhiraja, S, Qian, X, Clevidence, D, Costa, R H, Reichel, R R

We present evidence demonstrating that the liver-enriched transcription factor HNF-3 alpha is activated upon retinoic acid-induced differentiation of mouse F9 embryonal carcinoma cells. We have...

Hepatocyte nuclear factor 3 beta contains two transcriptional activation domains, one of which is novel and conserved with the Drosophila fork head protein.

Pani, L, Overdier, D G, Porcella, A, Qian, X, Lai, E, Costa, R H

The hepatocyte nuclear factor 3 (HNF-3) gene family is composed of three proteins (alpha, beta, and gamma) that are transcription factors involved in the coordinate expression of several liver genes....

Evidence for a novel natriuretic peptide receptor that prefers brain natriuretic peptide over atrial natriuretic peptide.

Goy, M F, Oliver, P M, Purdy, K E, Knowles, J W, Fox, J E, Mohler, P J, ...

Atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) exert their physiological actions by binding to natriuretic peptide receptor A (NPRA), a receptor guanylate cyclase (rGC) that...

Transforming growth factor-beta, transforming growth factor-beta receptor II, and p27Kip1 expression in nontumorous and neoplastic human pituitaries.

Jin, L., Qian, X., Kulig, E., Sanno, N., Scheithauer, B. W., Kovacs, K., ...

Transforming growth factor (TGF)-beta has been implicated in the regulation of normal and neoplastic anterior pituitary cell function. TGF-beta regulates the expression of various proteins, including...

Endogenous regulation of angiogenesis in the rat aorta model. Role of vascular endothelial growth factor.

Nicosia, R. F., Lin, Y. J., Hazelton, D., Qian, X.

The purpose of this study was to investigate the role of vascular endothelial growth factor (VEGF) in the rat aorta model of angiogenesis. Freshly cut aortic rings generated microvascular outgrowths...

Aberrant p27kip1 expression in endocrine and other tumors.

Lloyd, R. V., Jin, L., Qian, X., Kulig, E.

The p27kip1 (p27) gene encodes an inhibitor of cyclin-dependent kinase activity. The expression of p27 protein in normal and neoplastic tissues was investigated by immunoblotting and...

Analysis of the chromogranin A post-translational cleavage product pancreastatin and the prohormone convertases PC2 and PC3 in normal and neoplastic human pituitaries.

Lloyd, R. V., Jin, L., Qian, X., Scheithauer, B. W., Young, W. F., Davis, D. H.

Several members of the chromogranin/secretogranin (Cg/Sg) family are post-translationally processed in neuroendocrine cells and tumors to smaller peptides, some of which are biologically active. For...

Nitric oxide synthase in the human pituitary gland.

Lloyd, R. V., Jin, L., Qian, X., Zhang, S., Scheithauer, B. W.

Nitric oxide (NO) is generated by the NO synthase family of isozymes, which is present in many mammalian cells. The constitutive NO synthase isozymes generate NO, which acts via signal transduction...

A security mediator for health care information.

Wiederhold, G., Bilello, M., Sarathy, V., Qian, X.

The TIHI (Trusted Interoperation of Healthcare Information) project addresses a security issue that arises when some information is being shared among collaborating enterprises, although not all...

ERCC1 mRNA levels and survival of advanced gastric cancer patients treated with a modified FOLFOX regimen

Wei, J, Zou, Z, Qian, X, Ding, Y, Xie, L, Sanchez, J J, ...

Molecular markers involved in DNA repair can help to predict survival in gastric cancer patients treated with 5-FU plus platinum chemotherapy. Excision repair cross-complementing 1 (ERCC1) and...

Role of Hypertension in Aggravating Aβ Neuropathology of AD Type and Tau-Mediated Motor Impairment

Díaz-Ruiz, C., Wang, J., Ksiezak-Reding, H., Ho, L., Qian, X., Humala, N., ...

Epidemiological evidence suggests that hypertension may accelerate the onset and progression of Alzheimer's disease (AD). In this study, we explored the role of hypertension in the neurodegenerative...