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CreatorTitleDescriptionSubjectDate
51 Olivera, Baldomero M.Conus venom peptides, receptor and ion channel targets, and drug design: 50 million years of neuropharmacologyThe predatory cone snails (Conus) are among the most successful living marine animals (~500 living species). Each Conus species is a specialist in neuropharmacology, and uses venom to capture prey, to escape from and defend against predators and possibly to deter competitors. An individual cone...Conotoxins1997
52 Kieda, David B.Toward a revival of stellar intensity interferometryBuilding on technological developments over the last 35 years, intensity interferometry now appears a feasible option by which to achieve diffraction-limited imaging over a square-kilometer synthetic aperture. Upcoming Atmospheric Cherenkov Telescope projects will consist of up to 100 telescopes, ...Intensity interferometry; Air Cherenkov Telescope2008
53 Sokolsky, PierreUltra high energy ντ detection with a cosmic ray tau neutrino telescope used in fluorescence/Cerenkov light detectionWe have investigated the possibility of ντ detection using Cosmic Ray Tau Neutrino Telescope (CRTNT) based on air shower fluorescence/Cerenkov light detector techniques. This approach requires an interaction of a νг with material such as a mountain or the earth's crust. lepton produced in th...Tau neutrino; Tau lepton; Fluorescence; Cerenkov light2005-07-01
54 Coley, Phyllis D.; Kursar, Thomas A.Effects of weather on fungal abundance and richness among 25 communities in the Intermountain WestBecause moisture and temperature influence the growth of fungi, characterizing weather conditions favorable for fungi may be used to predict the abundance and richness of fungi in habitats with different climate conditions. To estimate habitat favorability to fungi, we examined the relationship of f...Intermountain West; Utah; Microclimate; Fungal prevalence2002
55 Miller, Joel StevenFerrimagnetic ordering of a methylthio-substituted planar porphyrin based electron transfer salt, octakis(2,3,7,8,12,13,17,18-methylthio)porphyrinatomanganese(III) tetracyanoethanideThe direct redox reaction between tetracyanoethylene (TCNE) and a planar porphyrinatomanganese(II), octakis(2,3,7,8,12,13,17,18-methylthio)porphyrinatomanganese(II), MnIIOMTP, produced a polymeric electron transfer salt (ETS), that has been structurally and magnetically characterized. The ETS belon...Magnetic; Temperature; Coupling2000
56 Mishchenko, Eugene; Raikh, Mikhail E.Penetration of external field into regular and random arrays of nanotubes: implications for field emissionWe develop an analytical theory of polarization of a vertically aligned array of carbon nanotubes (NTs) in external electric field. Such arrays are commonly utilized in field-emission devices, due to the known electrostatic effect of strong field enhancement near the tip of an individual NT. A sma...Field-emission current; Fowler-Nordheim law2006-06
57 Morse, Michael DavidElectronic structure of the 4 d transition metal carbides: dispersed fluorsecence spectroscopy of MoC, RuC, and PdCDispersed fluorescence studies of the diatomic molecules MoC, RuC, and PdC are reported. New states identified in MoC and RuC are the [...]2??12??, ?,??? states and the [...]2??12??, ??? state, respectively. Five states are observed by dispersed fluorescence in PdC. The ground state is found to be [...2011
58 Morse, Michael DavidElectronic structure of the 4d transition metal carbides: dispersed fluorescence spectroscopy of MoC, RuC, and PdCDispersed fluorescence studies of the diatomic molecules MoC, RuC, and PdC are reported. New states identified in MoC and RuC are the [...]2?112?1, 3,1?2 states and the [...]2? 312?1, 1?2 state, respectively. Five states re observed by dispersed fluorescence in PdC. The ground state is found to be [...2001
59 Blair, David F.Electron spin relaxation of CuA and cytochrome a in cytochrome c oxidase: comparison to heme, copper, and sulfur radical complexesThe method of continuous saturation has been used to measure the electron spin relaxation parameter T1T2 at temperatures between 10 and 50 K for a variety of S = % species including: CuA and cytochrome a of cytochrome c oxidase, the type1 copper in several blue copper proteins, the type 2 coppe...Electron spin relaxation; EPR signals; Sulfur radical complexes1984
60 Lupton, John MarkMonitoring surface charge migration in the spectral dynamics of single CdSe∕CdS nanodot/nanorod heterostructuresSpherical CdSe nanocrystals capped by a CdS rod-like shell exhibit interesting spectral dynamics on the single particle level. Spectral boxcar averaging reveals a high degree of correlation between the emission energy, spectral linewidth, phonon coupling strength, and emission intensity of the singl...Surface charge migration; Spectral dynamics; CdSe; CdS; Nanodot; Nanorod2005-11
61 Morse, Michael DavidPhotodissociation measurements of bond dissociation energies: Ti?+, V?+, Co?+, and Co?+The bond dissociation energies of Ti2+, V+2 , Co+2, and Co: have been measured from the sudden onset of predissociation in the photodissociation spectra of these molecules, yielding values of D?(Ti+2)=2.435+0.002 eV, D?(V+2)=3.140?0.002 eV, D?(Co+2)=2.7651?0.001 eV, and D?(Co+3)=2.086?0.002 eV. Thes...1993
62 Olivera, Baldomero M.; McIntosh, J. Michaelα-Conotoxins ImI and ImII: similar α7 nicotinic receptor antagonists act at different sitesA novel conotoxin, α-conotoxin ImII (α-CTx ImII), identified from Conus imperialis venom ducts, was chemically synthesized. A previously characterized C. imperialis conotoxin, α-conotoxin ImI (α-CTx ImI), is closely related; 9 of 12 amino acids are identical. Both α-CTx ImII and α-CTx ImI...Conotoxins; Conotoxin ImI; Conotoxin ImII2003
63 Ailion, David CharlesObservation of ultraslow translational diffusion in metallic lithium by magnetic resonanceThe theory of a new magnetic-resonance technique for studying the ultra slow motion of atoms was presented in a previous paper. In this paper, we present its experimental confirmation for the case of translational diffusion in lithium metal. By this technique the mean time between atomic jumps r can...Ultraslow atomic motion; Magnetic resonance1965
64 Goller, FranzProsthetic Avian vocal organ controlled by a freely behaving bird based on a low dimensional model of the biomechanical peripheryBecause of the parallels found with human language production and acquisition, birdsong is an ideal animal model to study general mechanisms underlying complex, learned motor behavior. The rich and diverse vocalizations of songbirds emerge as a result of the interaction between a pattern generator i...2012-01-01
65 Dawson, KyleRadiation tolerance of fully-depleted P-channel CCDs designed for the SNAP satelliteThick, fully depleted p-channel charge-coupled devices (CCDs) have been developed at the Lawrence Berkeley National Laboratory (LBNL). These CCDs have several advantages over conventional thin, n-channel CCDs, including enhanced quantum efficiency and reduced fringing at near-infrared wavelengths an...P-Channel CCDs; SNAP satellite; Space-based telescopes2008-06
66 Armentrout, Peter B.Translational energy dependence of Ar+ + XY → ArX+ + Y (XY = H2, D2, HD) from thermal to 30 eV c.m.Cross sections for the reactions of Ar+ with H2, D2, and HD to form ArH + and ArD + are measured using a new guided ion beam tandem mass spectrometer which affords an experimental energy range from 0.05 to 500 eV laboratory. The apparatus and experimental techniques are described in detail. Cross se...Translational energy; Ion-molecule reactions; Ion energy; Argon; Hydrogen; Endothermic reactions1985
67 Morse, Michael DavidDispersed fluorsecence spectroscopy of AINi, NiAu, and PtCuDispersed fluorescence studies of AlNi, NiAu, and PtCu have been performed, providing spectroscopic information about the ground and low-lying excited electronic states. Vibrational frequencies are reported for the ground X 2?5/2 state of all three molecules. In the case of AlNi, fluorescence to all...2003
68 Hughes, Kelly T.FliT selectively enhances proteolysis of FlhC Subunit in FlhD4C2 complex by an ATP-dependent protease, ClpXPWe previously reported that the ClpXP ATP-dependent pro-tease specifically recognizes and degrades the flagellar master transcriptional activator complex, FlhD 4C2, to negatively control flagellar biogenesis. The flagellum-related protein, FliT, isalso a negative regulator of flagellar regulon by in...2014-01-01
69 Olivera, Baldomero M.Block of Shaker K+ channels by ĸ-conotoxin PVIIA is state dependentĸ-conotoxin PVIIA is the first conotoxin known to interact with voltage-gated potassium channels by inhibiting Shaker-mediated currents. We studied the mechanism of inhibition and concluded that PVIIA blocks the ion pore with a 1:1 stoichiometry and that binding to open or closed channels is very d...Conotoxins; k-conotoxin PVIIA; Potassium channel blockers; Shaker K+ channels1999
70 Adler, Frederick R.Long-term models of oxidative stress and mitochondrial damage in insulin resistance progressionInsulin resistance, characterized by a reduced cellular response to insulin, is a major factor in type 2 diabetes pathogenesis, with a complex etiology consisting of a combination of environmental and genetic factors. Oxidative stress, which develops through an accumulation of toxic reactive oxygen ...2014-01-01
71 Morse, Michael DavidOptical spectroscopy of jet-cooled FeC between 12 000 and 18 100 cm-?Iron monocarbide has been investigated between 12 000 and 18 100 cm21 in a supersonic expansion by resonant two-photon ionization spectroscopy. Six new electronic states have been identified for which origins relative to the ground state have been determined. Three of these possess ?"=3, one possess...1997
72 Morse, Michael DavidOptical spectroscopy of tungsten carbide (WC)Resonant two-photon ionization spectroscopy has been used to study the diatomic transition-metal carbide, WC. A low-resolution scan revealed a five-member vibrational progression beginning with the 0-0 band at 17 585 cm-1. Analysis of this progression yielded a vibrational frequency of ?'e8(184W12C)...2002
73 Armentrout, Peter B.The bond energy of ReO+: Guided ion-beam and theoretical studies of the reaction of Re+ (7S) with O2The kinetic-energy dependence of the Re+ + O2 reaction is examined using guided ion-beam mass spectrometry. The cross section for ReO+ formation from ground state Re+ (7S) is unusual, exhibiting two endothermic features. The kinetic energy dependence for ReO+ formation is analyzed to determine D0(Re...2013-01-01
74 Olivera, Baldomero M.Modulation of conotoxin structure and function is achieved through a multienzyme complex in the venom glands of cone snailsBackground: Conotoxins can be utilized to investigate enzyme-assisted folding of disulfide-rich peptides. Results: Various ER-resident cone snail enzymes act in concert to accelerate the oxidative folding of conotoxins and modulate their conformation by reconfiguring disulfide connectivities. Conclu...2012-01-01
75 Armentrout, Peter B.Activation of methane by size-elected iron cluster cations, Fen+ (n=2-15): cluster-CHx (x=0-3) bond energies and reaction mechanismsThe kinetic energy dependences of the reactions of Fen + (n=2 - 15) with CD4 are studied in a guided ion beam tandem mass spectrometer over the energy range of 0-10 eV. All reactions exhibit thresholds and two main products, FenD+ and FenCD2+, are formed.Metal clusters; Iron ions; Bond energies; Dehydrogenation; Endothermic reactions; Transition metal ions2001
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