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Laser ablation ^sup 40^Ar/^sup 39^Ar dating of metamorphic fabrics in the Caledonides of north Ireland
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Abstract:
In situ ^sup 40^Ar/^sup 39^Ar dating of two texturally distinct biotite generations within a phyllite from the Caledonian orogen of Ireland was performed using a high spatial resolution laser microprobe. In this sample, an older generation of biotite (Bt^sub 1^) is aligned subparallel to a steeply dipping crenulation foliation, which itself is overprinted by a regionally developed shallow-dipping foliation. The second biotite generation (Bt^sub 2^) occurs as randomly oriented...
Related newspaper, magazine, and journal articles from HighBeam Research
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Magnetic and Elastic Properties of Ni^sub 49.0^Mn^sub 23.5^Ga^sub 27.5^ Premartensite
Metallurgical and Materials Transactions
; The premartensitic phase transformation in Ni^sub 49.0^Mn^sub 23.5^Ga^sub 27.5^ (wt pct) has been established by means of neutron powder diffraction and measurements of elastic constants of C^sub 44^ and C'. The commensurate, modulated premartensitic phase has been verified by stiffening of C^sub
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Synthesis and Evaluation of Nicotine [alpha]^sub 4^[beta]^sub 2^ Receptor Radioligand, 5-(3'-^sup 18^F-Fluoropropyl)-3-(2-(S)-Pyrrolidinylmethoxy)Pyridine, in Rodents and PET in Nonhuman Primate
The Journal of Nuclear Medicine
; Nicotine α^sub 4^4β^sub 2^ receptor subtypes are implicated in the study of Alzheimer's disease, schizophrenia, substance abuse, lung cancer, and other disorders. We report the development and evaluation of a putative antagonist, 5-(3'-fluoropropyl)-3-(2-(S)-pyrrolidinylmethoxy)pyridine
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Candidate Reference Method for the Quantification of Circulating 25-Hydroxyvitamin D^sub 3^ by Liquid Chromatography-Tandem Mass Spectrometry
Clinical Chemistry
; Quantification of 25-hydroxyvitamin D^sub 3^ (25-hydroxycholecalciferol) in serum is the best-established indicator of vitamin D status (1). Vitamin. D^sub 3^ (cholecalciferol) is absorbed from the diet, and, given sufficient ultraviolet irradiation, nutritionally adequate amounts of vitamin D^sub
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Deformation Behavior of Zr^sub 3^Al-Nb Alloys I: Room-Temperature and High-Temperature Deformation Study
Metallurgical and Materials Transactions
; The deformation behavior of the Zr^sub 3^Al-Nb alloys was studied by measuring hardness at different temperatures, by hot rolling, and by hot pressing. Using the hardness data, elasticity and plasticity parameters were estimated and were used to determine the suitable temperature range of
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Tumor Necrosis Factor-[alpha] Induces Transforming Growth Factor-[beta]^sub 1^ Expression in Lung Fibroblasts Through the Extracellular Signal-Regulated Kinase Pathway
American Journal of Respiratory Cell and Molecular Biology
; Increased expression of transforming growth factor (TGF946;^sub 1^ and tumor necrosis factor (TNF945; are thought to play important roles in the development of pulmonary fibrosis. We recently reported that TNF945; upregulates TGF946;^sub 1^ expression in primary mouse lung fibroblasts (MLFs), a key
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Synthesis and Biologic Evaluation of a Novel Serotonin 5-HT^sub 1A^ Receptor Radioligand, ^sup 18^F-Labeled Mefway, in Rodents and Imaging by PET in a Nonhuman Primate
The Journal of Nuclear Medicine
; Serotonin 5-HT^sub 1A^ receptors have been implicated in disorders of the central nervous system and, therefore, are being studied by PET. Efforts are under way to improve in vivo stability of 5-HT^sub 1A^ agents currently in human use (^sup 11^C-labeled
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CPO^sub 2^
Supply Management
; Interview For Simon Lee-Smith, purchasing is about helping stakeholders and suppliers get the most out of deals. Emma Clarke finds out why and discusses the impact of Telefonica's takeover of the telecoms giant Simon Lee-Smith became chief procurement officer at O^sub 2^ in 2002, aged just 34. Now,
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Alveolar Epithelial [beta]^sub 2^-Adrenergic Receptors
American Journal of Respiratory Cell and Molecular Biology
; β^sub 2^-adrenergic receptors are present throughout the lung, including the alveolar airspace, where they play an important role for regulation of the active Na+ transport needed for clearance of excess fluid out of alveolar airspace. β^sub 2^-adrenergic receptor signaling is required
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Modified HPLC-Electrospray Ionization/Mass Spectrometry Method for HbA^sub 1c^ Based on IFCC Reference Measurement Procedure
Clinical Chemistry
; BACKGROUND: Monitoring of hemoglobin A^sub 1c^ (HbA^sub 1c^) is important in the management of diabetes. The IFCC reference measurement procedure for HbA^sub 1c^ is based on the ratio of glycated to nonglycated N-terminal hexapeptides of the β-chains of hemoglobin after digestion with Glu-C
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 "Western Morning News, The Plymouth (UK)")
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BT generates hi-tech changes
Western Morning News, The Plymouth (UK)
; T he winds of change have certainly been blowing in BT Group's direction over the past year. The telecoms company - one of the UK's largest users of electricity - attracted South West headlines in October when it announced plans to generate up to 25 per cent of its energy demands from windpower by
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