Abrupt onset of a second energy gap at the superconducting transition of underdoped Bi2212 (2008)
he superconducting gap--an energy scale tied to the superconducting phenomena--opens on the Fermi surface at the superconducting transition temperature (Tc) in conventional BCS superconductors. In...
Schmitt, F., Lee, W. S., Meevasana, W., Motoyama, E., Greven, M., ...
Samples of Nd(2-x)Ce(x)CuO(4), an electron-doped high temperature superconducting cuprate (HTSC), near optimal doping at x = 0.155 were measured via angle resolved photoemission (ARPES). We report a...
Balatsky, Alexander V., Lee, W. S., Shen, Z. X.
Superconducting excitations -- Bogoliubov quasiparticles -- are the quantum mechanical mixture of negatively charged electron (-e) and positively charged hole (+e). We propose a new observable for...
Lee, W. S., Meevasana, W., Johnston, S., Lu, D. H., Vishik, I. M., Moore, R. G., ...
The temperature dependent evolution of the renormalization effect in optimally-doped Bi2212 along the nodal direction has been studied via angle-resolved photoemission spectroscopy. Fine structure is...
Abrupt Onset of Second Energy Gap at Superconducting Transition of Underdoped Bi2212 (2008)
Lee, W. S., Vishik, I. M., Tanaka, K., Lu, D. H., Sasagawa, T., Nagaosa, N., ...
The superconducting gap - an energy scale tied to the superconducting phenomena-opens on the Fermi surface at the superconducting transition temperature (TC) in conventional BCS superconductors....
Lee, W. S., Johnston, S., Devereaux, T. P.
Lattice contribution to the electronic self-energy in complex correlated oxides is a fascinating subject that has lately stimulated lively discussions. Expectations of electron-phonon self-energy...
Angle-resolved photoemission studies of lattice polaron formation in the cuprate Ca2CuO2Cl2 (2007)
Shen, K. M., Ronning, F., Meevasana, W., Lu, D. H., Ingle, N. J. C., Baumberger, F., ...
To elucidate the nature of the single-particle excitations in the undoped parent cuprates, we have performed a detailed study of Ca2CuO2Cl2 using photoemission spectroscopy. The photoemission...
The hierarchy of multiple many-body interaction scales in high-temperature superconductors (2006)
Meevasana, W., Zhou, X. J., Sahrakorpi, S., Lee, W. S., Yang, W. L., Tanaka, K., ...
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energies of up to a few...
Distinct Fermi-Momentum Dependent Energy Gaps in Deeply Underdoped Bi2212 (2006)
Tanaka, Kiyohisa, Lee, W. S., Lu, D. H., Fujimori, A., Fujii, T., ...
We use angle-resolved photoemission spectroscopy applied to deeply underdoped cuprate superconductors Bi2Sr2(Ca,Y)Cu2O8 (Bi2212) to reveal the presence of two distinct energy gaps exhibiting...
Study of HgBa$_2$CuO$_{4+\delta}$ by Angle-Resolved Photoemission Spectroscopy (2006)
Lee, W. S., Yoshida, T., Meevasana, W., Shen, K. M., Lu, D. H., Yang, W. L., ...
We present the first angle-resolved photoemission measurement on the single-layer Hg-based cuprate, HgBa$_2$CuO$_{4+\delta}$ (Hg1201). A quasi-particle peak in the spectrum and a kink in the band...
Meevasana, W., Ingle, N. J. C., Lu, D. H., Shi, J. R., Baumberger, F., Shen, K. M., ...
A recent highlight in the study of high-Tc superconductors is the observation of band renormalization / self-energy effects on the quasiparticles. This is seen in the form of kinks in the...
Wagon-Based Silage Yield Mapping System (2005)
Lee, W. S., Schueller, J. K., Burks, T. F.
Rosana G. Moreira, Editor-in-Chief; Texas A&M University
Wagon-Based Silage Yield Mapping System (2005)
Lee, W. S., Schueller, J. K., Burks, T. F.
Rosana G. Moreira, Editor-in-Chief; Texas A&M University
Ludwig, R., Lee, W.S., Schubert, C., Ferber, S., Börner, C., Schmidt-Langhorst, C., ...
We demonstrate 80 Gbit/s RZ-DPSK transmission with a balanced detection ETDM receiver operating at the full 80 Gbit/s line rate. Transmission performance is reported over 240 km and 480 km...
Shen, K. M., Ronning, F., Lu, D. H., Lee, W. S., Ingle, N. J. C., Meevasana, W., ...
The evolution of Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$ from Mott insulator to superconductor was studied using angle-resolved photoemission spectroscopy. By measuring both the excitations near the...
Fully Gapped Single-Particle Excitations in the Lightly Doped Cuprates (2003)
Shen, K. M., Yoshida, T., Lu, D. H., Ronning, F., Armitage, N. P., Lee, W. S., ...
The low-energy excitations of the lightly doped cuprates were studied by angle-resolved photoemission spectroscopy. A finite gap was measured over the entire Brillouin zone, including along the...
Immunologic basis of transplant-associated arteriosclerosis.
Shi, C, Lee, W S, He, Q, Zhang, D, Fletcher, D L, Newell, J B, ...
Although immunosuppressive therapy minimizes the risk of graft failure due to acute rejection, transplant-associated arteriosclerosis of the coronary arteries remains a significant obstacle to the...
Arrest of endotoxin-induced hypotension by transforming growth factor beta1.
Perrella, M A, Hsieh, C M, Lee, W S, Shieh, S, Tsai, J C, Patterson, C, ...
Septic shock is a cytokine-mediated process typically caused by a severe underlying infection. Toxins generated by the infecting organism trigger a cascade of events leading to hypotension, to...
Cerebrovascular alterations in mice lacking neuronal nitric oxide synthase gene expression.
Irikura, K, Huang, P L, Ma, J, Lee, W S, Dalkara, T, Fishman, M C, ...
Nitric oxide (NO) is known to mediate increases in regional cerebral blood flow elicited by CO2 inhalation. In mice with deletion of the gene for neuronal NO synthase (NOS), CO2 inhalation augments...
Riccardi, D, Park, J, Lee, W S, Gamba, G, Brown, E M, Hebert, S C
The maintenance of a stable extracellular concentration of ionized calcium depends on the integrated function of a number of specialized cells (e.g., parathyroid and certain kidney epithelial cells)....
Geisberg, J V, Lee, W S, Berk, A J, Ricciardi, R P
The 289R E1A protein of adenovirus transactivates a variety of viral and cellular promoters through protein-protein interactions. In earlier studies, mutational analyses of the E1A transactivating...
Lee, W S, Tzen, J T, Kridl, J C, Radke, S E, Huang, A H
Oleosins are small hydrophobic abundant proteins localized in the oil bodies of plant seeds. An oleosin gene from the monocotyledonous maize (Zea mays L.) was transferred into the dicotyledonous...
Lee, W S, Smith, M S, Hoffman, G E
The ability of luteinizing hormone-releasing hormone (LHRH) neurons to express the oncogene c-fos was examined during the estrous cycle in rats. The immunocytochemical localization of the...
Diauxic Growth in Rice Suspension Cells Grown on Mixed Carbon Sources of Acetate and Glucose.
Diauxic growth was observed in rice (Oryza sativa L.) suspension cells growing on acetate (10 mM) and glucose (10 mM). Cells used acetate during the first growth phase and the acetate level in the...
Cloning and regulation of expression of the rat kidney urea transporter (rUT2).
Smith, C P, Lee, W S, Martial, S, Knepper, M A, You, G, Sands, J M, ...
In mammals, urea is the predominant end-product of nitrogen metabolism and plays a central role in the urinary-concentrating mechanism. Urea accumulation in the renal medulla is critical to the...
Otitis media caused by beta-lactamase-producing Branhamella (Neisseria) catarrhalis.
Lee, W S, Fordham, T, Alban, J
A beta-lactamase-producing Branhamella catarrhalis was isolated in pure culture from the right middle ear aspiration of an otitis media in a 3-month-old girl. The patient responded well to...
Iodometric spot test for detection of beta-lactamase in Haemophilus influenzae.
A simple iodometric spot test for detecting beta-lactamase activity in Haemophilus influenzae was compared with the capillary procedure for detecting beta-lactamase and the Bauer-Kirby disk...
Wound infection by Prototheca wickerhamii, a saprophytic alga pathogenic for man.
Lee, W S, Lagios, M D, Leonards, R
Biopsy of a wound infection of the palmar fascia in a young diabetic woman revealed characteristic periodic acid-Schiff-positive Prototheca species cells with a rosette configuration and internal...
Lee, W S, Wells, R G, Sabbag, R V, Mohandas, T K, Hediger, M A
We have recently cloned, sequenced, and characterized a rat kidney cDNA (D2) that stimulates cystine as well as dibasic and neutral amino acid transport. In order to evaluate the role of this protein...
Kanai, Y, Lee, W S, You, G, Brown, D, Hediger, M A
The major reabsorptive mechanism for D-glucose in the kidney is known to involve a low affinity high capacity Na+/glucose cotransporter, which is located in the early proximal convoluted tubule...
Burant, C F, Flink, S, DePaoli, A M, Chen, J, Lee, W S, Hediger, M A, ...
The effect of insulinopenic diabetes on the expression of glucose transporters in the small intestine was investigated. Enterocytes were sequentially isolated from jejunum and ileum of normal fed...
Yoshizumi, M, Lee, W S, Hsieh, C M, Tsai, J C, Li, J, Perrella, M A, ...
The regulated expression of cyclins controls the cell cycle. Because cardiomyocytes in adult mammals withdraw permanently from the cell cycle and thus cannot regenerate after injury, we examined...
Dynan, W S, Saffer, J D, Lee, W S, Tjian, R
A 440-base-pair fragment of African green monkey genomic DNA shares homology with the transcriptional regulatory region of simian virus 40 (SV40) and has been reported to direct transcription in...
Role of CD44 in the reaction of vascular smooth muscle cells to arterial wall injury.
Jain, M, He, Q, Lee, W S, Kashiki, S, Foster, L C, Tsai, J C, ...
CD44, the principal receptor for hyaluronic acid, is a widely distributed cell surface proteoglycan involved in cellular activation, proliferation, and migration. These processes are also central to...
Role of CD44 in the reaction of vascular smooth muscle cells to arterial wall injury.
Jain, M, He, Q, Lee, W S, Kashiki, S, Foster, L C, Tsai, J C, ...
Mitogen-activated protein kinase phosphatase-1 in rat arterial smooth muscle cell proliferation.
Lai, K, Wang, H, Lee, W S, Jain, M K, Lee, M E, Haber, E
Smooth muscle cell proliferation and migration is important in arteriosclerosis. In this process, cytokines and growth factors are upregulated and bind to their respective receptors, which in turn...
Baskin, G, DiNello, R, Polito, A, Quan, S, Lee, W S, Wu, J, ...
In a study using the current first generation Ortho ELISA, a second generation Ortho ELISA, and the RIBA HCV strip immunoblot assay, all patients who were strongly positive for antihepatitis C virus...
Lee, W. S., Limmroth, V., Ayata, C., Cutrer, F. M., Waeber, C., Yu, X., ...
1. The GABA transaminase inhibitor and activator of glutamic acid decarboxylase, valproic acid is being used for the treatment of migraine. Its mechanism of action is unknown. We tested the effects...
Limmroth, V., Lee, W. S., Moskowitz, M. A.
1. The effects of progesterone, its A-ring-reduced metabolites, allopregnanolone, tetrahydroxydeoxycorticosterone and the synthetic neuroactive steroid alphaxalone were evaluated in a rat model of...
Lee, W. S., Moussaoui, S. M., Moskowitz, M. A.
1. The ability of an NK1 receptor antagonist, RPR 100893, and its enantiomer, RPR 103253 to block neurogenic plasma protein extravasation in guinea-pig dura mater and conjunctiva was assessed...