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Barium Compounds (1):
Recent article
Barium Compounds
Abstract
To compare handmade and computer-aided design-computer-aided manufacturing (CAD-CAM)-fabricated fixed dental prostheses (FDPs) composed of a particulate filler composite.
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PMID: 21208023
PDF is available here.
PDF is available here.
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Abstract
This chapter discusses the photosystem II (PSII) reconstitution into proteoliposomes. In the first part of the chapter, protocols are outlined for the preparation of lipid bilayer vesicles (liposomes) constituted of individual thylakoid lipids or their mixtures, for the preparation of PSII particles...
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PMID: 20960133
PDF is available here.
PDF is available here.
Abstract
The cell parameters of Ba3[Cr(CN)5NO]2.8H2O were determined from powder X-ray diffraction using the autoindexing program TREOR, and refined by the Le Bail methods with the FULLPROF program. An orthorhombic cell was determined with cell parameters a = 15.0324(2) A, b = 12.9542(9) A, and c = 7.5094(5)...
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PMID: 20449888
PDF is available here.
PDF is available here.
Abstract
Comparative influence of two nanoparticles viz. superparamagnetic iron oxide nanoparticles (SPION) and nanobarium titanate (NBT) was studied upon the in-vitro and in-situ low-density polyethylene (LDPE) biodegradation efficiency of a potential polymer-degrading microbial consortium. Supplementation...
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PMID: 20622505
PDF is available here.
PDF is available here.
Dental Materials Journal (29)2 2010
Abstract
These results suggested that Beautifil II could reduce dental plaque formation and bacterial adherence, leading to prevention of secondary caries....
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PMID: 20379030
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to evaluate the effect of different filler sizes and shapes on the surface roughness of experimental resin-composite series.
Thirty-three disc-shaped specimens of the series (Spherical-RZD 102, 105, 106, 107, 114 and Irregular-RZD 103, 108, 109, 110, 111, 112) were prep...
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PMID: 20379683
PDF is available here.
PDF is available here.
Abstract
We conclude that the dose of radiation received by a patient undergoing a VFSS examination in our center was comparable to the international standard and that of other similar studies. We can also conclude that there is a significant difference in dosage between NPC and CVA patients and the overall...
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PMID: 19390892
PDF is available here.
PDF is available here.
Abstract
We attempted to mimic real-world situations and recreate clinical assessment and treatment conditions. We also identified and made every effort to control typical clinical variables, e.g., mixer and mixing procedure, brand of product, and temperature of liquid. The method of measurement was based on...
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PMID: 19472005
PDF is available here.
PDF is available here.
Abstract
We conclude that the dose of radiation received by a patient undergoing a VFSS examination in our center was comparable to the international standard and that of other similar studies. We can also conclude that there is a significant difference in dosage between NPC and CVA patients and the overall...
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PMID: 19390892
PDF is available here.
PDF is available here.
Abstract
We attempted to mimic real-world situations and recreate clinical assessment and treatment conditions. We also identified and made every effort to control typical clinical variables, e.g., mixer and mixing procedure, brand of product, and temperature of liquid. The method of measurement was based on...
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PMID: 19472005
PDF is available here.
PDF is available here.
Abstract
We conclude that the dose of radiation received by a patient undergoing a VFSS examination in our center was comparable to the international standard and that of other similar studies. We can also conclude that there is a significant difference in dosage between NPC and CVA patients and the overall...
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PMID: 19390892
PDF is available here.
PDF is available here.
Abstract
We attempted to mimic real-world situations and recreate clinical assessment and treatment conditions. We also identified and made every effort to control typical clinical variables, e.g., mixer and mixing procedure, brand of product, and temperature of liquid. The method of measurement was based on...
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PMID: 19472005
PDF is available here.
PDF is available here.
Optics Express (17)23 2009
Abstract
Transparent glass ceramic containing BaF(2):Ho(3+),Tm(3+) nanocrystals has been prepared by melt quenching and subsequent thermal treatment. The precipitation of BaF(2) nanocrystals was confirmed by X-ray diffraction and high-resolution transmission electron microscopy. Intense 2.0 microm fluorescen...
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PMID: 19997333
PDF is available here.
PDF is available here.
Abstract
Ba(0.6)Sr(0.4)TiO(3)-La(B(0.5)Ti(0.5))O(3) (B = Mg, Zn) ceramics were prepared by a solid-state reaction method, and their microwave dielectric characteristics and tunability were investigated. The ferroelectric-dielectric solid solutions with cubic perovskite structures were obtained for compositio...
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PMID: 19942521
PDF is available here.
PDF is available here.
Optics Express (17)20 2009
Abstract
Rare-earth-activated BaY(2)Si(3)O(10) (BYSO) phosphors were synthesized via a solid-state reaction. BaY(2)Si(3)O(10):Ce(3+) yields an indigo-blue emission peak at 404 nm according to excitation at 334 nm attributed to the Ce(3+) 4f-->5d transition. BaY(2)Si(3)O(10):Tb(3+) typically generates green e...
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PMID: 19907600
PDF is available here.
PDF is available here.
Abstract
Reactions of NO2, H2O, and CO2 with a thick (>20 monolayer equivalent (MLE)) BaO film supported on Pt(111) were studied with temperature programmed desorption (TPD) and X-ray photoelectron spectroscopy (XPS). NO2 reacts with a thick BaO layer to form surface nitrite-nitrate ion pairs at 300 K, while...
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PMID: 19588918
PDF is available here.
PDF is available here.
Abstract
We consider and discuss three possibilities for their genesis: first, that the quadrant features initially form to facilitate field-closure, but then develop 90 degrees shape compensating stripe domains in order to accommodate disclination stresses; second, that they are the result of the impingemen...
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PMID: 19591494
PDF is available here.
PDF is available here.
Abstract
We compared the increase in action potentials generated by 10 nM PACAP in control neurons and in neurons treated with ZD7288 (10 or 100 muM) or CsCl (2 or 2.5 mM), drugs known to inhibit I(h). In control cells exposed to PACAP, 1-s depolarizing current pulses elicited multiple action potential firin...
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PMID: 19403861
PDF is available here.
PDF is available here.
Abstract
This study assessed the screening rates for gastric cancer by two different screening methods, upper gastrointestinal (UGI) series and endoscopy; intentions to undergo future gastric cancer screening; and the preferred method of screening. The study population was derived from the 2006 Korean Nation...
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PMID: 19383892
PDF is available here.
PDF is available here.
Abstract
We consider dental filler particles to have potential to induce adverse biological response in cell cultures....
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PMID: 18759324
PDF is available here.
PDF is available here.
Optics Express (17)7 2009
Abstract
We suggest Bi(2+) or Bi(+) centers adjacent to F vacancy defects are the origins of the observed NIR emissions....
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PMID: 19333280
PDF is available here.
PDF is available here.
Nanotechnology (20)10 2009
Abstract
The piezoelectric properties of tetragonal BaTiO(3) crystals with a very high density of 90 degrees twin domain boundaries are analyzed in the framework of the Ginzburg-Landau-Devonshire theory. Computer simulations predict a considerable enhancement of piezoelectric coefficients for domain thicknes...
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PMID: 19417537
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (162)2-3 2009
Abstract
Gas chromatograph–mass spectroscopic identification of intermediate products in the degradation of diclofop-methyl and the kinetics of the reaction has been investigated. Formation of 4-[(2,4-dichlorophenoxy) phenoxy] ethane and (2,4-dichlorophenoxy) phenol was investigated. The other intermediate...
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PMID: 18620806
PDF is available here.
PDF is available here.
Veterinary Record (164)9 2009
Abstract
Six weeks before mating, the ewes on six hill farms were randomly assigned to receive either a subcutaneous injection of a long-acting supplement containing 50 mg/ml selenium as barium selenate, or no injected selenium. Before the treatment, the mean activity of glutathione peroxidase (GSHPx) in the...
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PMID: 19252213
PDF is available here.
PDF is available here.
Abstract
Ning Wei Kang Recipe extract can significantly inhibit the gastrointestinal motor function. It may be related to blocking positive ion-Ba2+ into gastrointestinal smooth muscle cell....
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PMID: 19565722
PDF is available here.
PDF is available here.
Abstract
Propagation and reflection of plane elastic waves in the acousto-optic crystals tellurium dioxide, rutile, barium titanate, and mercury halides are examined in the paper. The reflection from a free and flat boundary separating the crystals and the vacuum is investigated in the (001) planes in the ca...
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PMID: 19206854
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants and Agricultural Wastes (44)2 2009
Abstract
This paper describes the synthesis of starch and alginate beads as controlled release formulations. Different formulations of the fungicide, thiram, were prepared by using BaCl(2) and AlCl(3) as crosslinkers. The beads thus formed were characterized by FTIR and swelling studies. Formulation characte...
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PMID: 19130369
PDF is available here.
PDF is available here.
Abstract
The results indicate that action potential configuration fails to influence the amplitude of I (Kr) and I (K1) during the ventricular action potential in dogs and humans, suggesting that rate-dependent changes in action potential duration are not likely related to rate-dependent alterations in I (Kr...
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PMID: 18604626
PDF is available here.
PDF is available here.
Abstract
We hypothesize that these monomers improve material properties and kinetics over TEGDMA because of their unique polymerization behavior....
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PMID: 18584862
PDF is available here.
PDF is available here.
Applied Optics (48)1 2009
Abstract
A nanosecond 1.3 microm Nd:YAG laser-pumped external cavity eye-safe Raman laser based on BaWO(4) crystal is efficiently demonstrated. The average power of 1.5 microm was 0.60 W operating at a pulse repetition rate of 1.7 kHz and an incident pump power of 4.14 W. Conversion efficiency of 14.5% and a...
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PMID: 19107164
PDF is available here.
PDF is available here.
Optics Express (16)25 2008
Abstract
We demonstrate superluminal light propagation using two frequency multiplexed pump beams to produce a gain doublet in a photorefractive crystal of Ce:BaTiO(3). The two gain lines are obtained by two-wave mixing between a probe field and two individual pump fields. The angular frequencies of the pump...
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PMID: 19065183
PDF is available here.
PDF is available here.
Abstract
We demonstrate that for stellate neurons in layer II of the medial entorhinal cortex, the waveform of postsynaptic potentials, the time window for detection of coincident inputs, and responsiveness to gamma frequency inputs follow a dorsal-ventral gradient similar to the topographical organization o...
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PMID: 19081381
PDF is available here.
PDF is available here.
Abstract
These results suggested that the BST ceramics are suitable for use in tunable microwave devices....
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PMID: 19198325
PDF is available here.
PDF is available here.
Abstract
We have therefore examined the K(+) currents of isolated apical membranes from human term placenta using electrophysiological methods: reconstitution of ion channels from apical membranes into giant liposomes (single channel recordings, patch clamp method) or their functional transplantation into Xe...
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PMID: 18708253
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants and Agricultural Wastes (43)7 2008
Abstract
Photocatalytic degradation of the herbicide, pendimethalin (PM) was investigated with BaTiO3/TiO2 UV light system in the presence of peroxide and persulphate species in aqueous medium. The nanoparticles of BaTiO3 and TiO2 were obtained by gel to crystallite conversion method. These photo catalysts a...
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PMID: 18803109
PDF is available here.
PDF is available here.
Dental Materials (24)9 2008
Abstract
For a given surface, DC showed differences among all groups, except at the top between 24 and 48 J/cm2. Rpmax was similar among all groups at the same surface and statistically higher at the top surface. PS also showed significant differences among all groups. Data for 48 J/cm2 were not obtained due...
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PMID: 18291519
PDF is available here.
PDF is available here.
Journal of Neuroscience (28)32 2008
Abstract
We demonstrate the existence of two physiologically distinct subpopulations of GnRH neurons. The first subpopulation is comprised of septal GnRH neurons that colocalize vesicular glutamate transporter 2 and green fluorescent protein and is insensitive to metabotropic glutamate receptor agonists, but...
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PMID: 18685025
PDF is available here.
PDF is available here.
Abstract
The opalescence and fluorescence properties of resin materials varied depending on the material, shade group, and polymerization. Clinically, these properties should be considered when neighboring teeth are restored with different types of material....
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PMID: 18615323
PDF is available here.
PDF is available here.
Optics Express (16)15 2008
Abstract
We report on the second harmonic generation of deep UV light in beta -BaB(2)O(4) (BBO) waveguides pumped by a frequency-doubled continuous-wave Nd:YAG laser. An output power of 0.32 mW at 266 nm has been achieved for an internal pump power of 670 mW. Optical channel waveguides in BBO crystals were p...
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PMID: 18648487
PDF is available here.
PDF is available here.
Journal of Gastroenterology and Hepatology (23)7 Pt 1 2008
Abstract
Journal of Hazardous Materials (154)1-3 2008
Abstract
Barium borosilicate glass was found to have high uptake capacity for many cations. To improve its selectivity, surface modification was carried out. In order to make the glass selective towards uranyl ion, organic ligands like tri-n-octylphosphine oxide (TOPO) and 8-hydroxy quinoline (Oxine) were us...
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PMID: 18054428
PDF is available here.
PDF is available here.
Optics Express (16)11 2008
Abstract
Artificial BaTiO(3)-SrTiO(3) superlattices with stacking periodicity varying between 27 and 1670 A in separate films were grown on MgO substrates by pulsed laser deposition. Both the static and active optical properties were found to be sensitive on the stacking periodicity. Birefringence decreased...
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PMID: 18545533
PDF is available here.
PDF is available here.
Abstract
We report a case of multiple jejunal diverticula causing chronic gastrointestinal obstruction....
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PMID: 18506936
PDF is available here.
PDF is available here.
Analytical Biochemistry (377)1 2008
Abstract
We have made significant improvements in the technology by reducing the temperature noise of the detectors and improving the fabrication materials and methods. In combination with an automated measurement system, the advances in device performance and data analysis have allowed us to develop basic e...
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PMID: 18374654
PDF is available here.
PDF is available here.
Dental Materials (24)5 2008
Abstract
ANOVA revealed that fraction of nanofillers and polymerization temperature had significant effect (p<0.05) on the shrinkage strain and degree of conversion of the composite resin. Shrinkage strain correlated with nanofiller fraction and polymerization temperature (r2=0.96 and 0.95). SIGNIFICANCE: Th...
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PMID: 17675144
PDF is available here.
PDF is available here.
Pediatric Radiology (38)5 2008
Abstract
Of 229 patients identified, 166 (59% male, median age 67 days) were included. Excluded were 47 without a UGI series, 12 with omphalocele or gastroschisis, 1 without verifiable operative data, 1 who had not undergone a Ladd procedure, and 2 older than 21 years. Of the 166 patients, 40% were neonates...
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PMID: 18265969
PDF is available here.
PDF is available here.
Movement Disorders (23)5 2008
Abstract
Relatively little is known about the role of the basal ganglia in human deglutition. Deep brain stimulation (DBS) affords us a model for examining deglutition in humans with known impairment of the basal ganglia. The purpose of this study was to examine the effects of subthalamic nuclei (STN) DBS on...
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PMID: 18163451
PDF is available here.
PDF is available here.
Microvascular Research (75)3 2008
Abstract
We measured diameter of pial arterioles in response to an inhibitor, BaCl(2), and an activator, KCl, of K(IR) channels in the absence and presence of a scavenger of reactive oxygen species, tempol, or an inhibitor of NAD(P)H oxidase, apocynin. Application of BaCl(2) (30 and 100 microM) produced dose...
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PMID: 18191159
PDF is available here.
PDF is available here.
Optics Express (16)3 2008
Abstract
We report laser-induced cooling with thulium-doped BaY2F8 single crystals grown using the Czochralski technique. The spectroscopic characterization of the crystals has been used to evaluate the laser cooling performance of the samples. Cooling by 3 degrees below ambient temperature is obtained in a...
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PMID: 18542249
PDF is available here.
PDF is available here.
Planta Medica (74)2 2008
Abstract
Our aim was to investigate the effect of two main constituents, nigellone and thymoquinone, on trachea (antispasmodic effect) and their influence on respiratory clearance. The effects on Ba (2+)-, carbachol- and leukotriene-induced trachea contractions and the transport of the fluorescence dye rhoda...
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PMID: 18219598
PDF is available here.
PDF is available here.
Abstract
A 12-mer peptide, identified through phage display biopanning, has been used for the first time to induce the rapid formation of ferroelectric (tetragonal) nanocrystalline BaTiO3 at room temperature from an aqueous salt precursor solution at near neutral pH. BaTiO3 is widely used in capacitors, ther...
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PMID: 18067293
PDF is available here.
PDF is available here.
Neuropharmacology (54)1 2008
Abstract
We report that the maintenance of eCB-LTD does not involve presynaptic K(+) channels: eCB-LTD was not affected by blockade of K(+) channels with 4-AP (100 microM) and BaCl(2) (300 microM) (fEPSP=78.9+/-5.4% of baseline 58-60 min after tetanus, compared to 78.9+/-5.9% in control slices). In contrast,...
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PMID: 17606273
PDF is available here.
PDF is available here.
Abstract
Langmuir-Blodgett multilayers of alternating barium arachidate and barium dimyristoyl phosphatidate are characterized by secondary ion mass spectrometry employing a 40 keV buckminsterfullerene (C60) ion source. These films exhibit well-defined structures with minimal chemical mixing between layers,...
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PMID: 18293488
PDF is available here.
PDF is available here.
Abstract
Fifteen of 20 Wistar albino rats were treated with various doses of the anthelmintic agent piperazine citrate (15, 30, and 60 mg/kg body weight). All 20 rats were subsequently given barium chloride, 20 mg/kg. The 5 rats (25%) that did not receive piperazine citrate developed ventricular fibrillation...
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PMID: 18356631
PDF is available here.
PDF is available here.
Operative Dentistry (33)4 2008
Abstract
The optimal degree of curing throughout the bulk of a visible light-activated dental resin composite is acknowledged to be important to the clinical success of a resin composite restoration. Unfortunately, the dentist has no means of monitoring the cure of the resin surfaces not directly exposed to...
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PMID: 18666498
PDF is available here.
PDF is available here.
The Journal of Chemical Physics (127)24 2007
Abstract
We report a novel mechanism of phase separation, where an enrichment of polymer aggregates of well-defined size occurs in the very early stage of nucleation, which is then followed by a growth process in the formation of the new phase. In the latter stage, the polymer aggregates formed in the early...
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PMID: 18163707
PDF is available here.
PDF is available here.
Inorganic Chemistry (46)26 2007
Abstract
Group 2 metal complexes [Ca(SA)2(phen)]n (1), [Sr2(SA)4(phen)4] (2), and [Ba(SA)2(phen)2]n (3) (SA = salicylate) have been obtained by the addition of 1,10-phenanthroline (phen) to the corresponding metal salicylates, while the bipyridine derivatives {[Ca3(SA)6(H2O)4](4bpy)2}n (4), {[Sr(SA)2(H2O)3](...
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PMID: 18047324
PDF is available here.
PDF is available here.
Abstract
Sodium bicarbonate administration to horses prior to competition in order to enhance the buffer capacity of the organism is considered as a doping offence. The analysis of the isotopic composition of urinary bicarbonate/CO(2) (TCO(2)) may help to identify an exogenous bicarbonate source, as technica...
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PMID: 18041617
PDF is available here.
PDF is available here.
Abstract
Hyperfine structures arising from the couplings of the nuclear spin angular momentum of (17)O (I = 5/2) with the end over end rotation of several metal-containing diatomic monoxides have been observed using a Fourier transform microwave spectrometer. The molecules have been produced by reacting (17)...
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PMID: 17989798
PDF is available here.
PDF is available here.
Nature Neuroscience (10)12 2007
Abstract
We show that, in DA neurons of mice, the low coupling efficiency reflects the selective expression of heteromeric GIRK2/3 channels and is dynamically modulated by a member of the regulator of G protein signaling (RGS) protein family. Moreover, repetitive exposure to GHB increases the GABA(B) recepto...
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PMID: 17965710
PDF is available here.
PDF is available here.