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  • 1
    Electronic Resource
    Electronic Resource
    Sequence Analysis of the Mitochondrial Genome of Sarcophyton glaucum: Conserved Gene Order Among Octocorals (1998)
    Springer
    Journal of molecular evolution 47 (1998), S. 697-708 
    Details
    ISSN: 1432-1432
    Keywords: Key words:Sarcophyton glaucum— Cnidaria — Mitochondrial DNA — Nucleotide sequence — Genetic code — Gene order
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. The nucleotide sequence for an 11,715-bp segment of the mitochondrial genome of the octocoral Sarcophyton glaucum is presented, completing the analysis of the entire genome for this anthozoan member of the phylum Cnidaria. The genome contained the same 13 protein-coding and 2 ribosomal RNA genes as in other animals. However, it also included an unusual mismatch repair gene homologue reported previously and codes for only a single tRNA gene. Intermediate in length compared to two other cnidarians (17,443 and 18,911 bp), this organellar genome contained the smallest amount of noncoding DNA (428, compared to 1283 and 781 nt, respectively), making it the most compact one found for the phylum to date. The mitochondrial genes of S. glaucum exhibited an identical arrangement to that found in another octocoral, Renilla kolikeri, with five protein-coding genes in the same order as has been found in insect and vertebrate mitochondrial genomes. Although gene order appears to be highly conserved among octocorals, compared to the hexacoral, Metridium senile, few similarities were found. Like other metazoan mitochondrial genomes, the A + T composition was elevated and a general bias against codons ending in G or C was observed. However, an exception to this was the infrequent use of TGA compared to TGG to code for tryptophan. This divergent codon bias is unusual but appears to be a conserved feature among two rather distantly related anthozoans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00006429
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of the free radicals FeH, CoH, and NiH by far infrared laser magnetic resonance (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 89 (1988), S. 4446-4448 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.454781
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  • 3
    Electronic Resource
    Electronic Resource
    Laser-induced fluorescence and Optical/Stark spectroscopy of PtC (1999)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 111 (1999), S. 10876-10882 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Optical/Stark measurements have been performed on the (0,0) bands of both the A″ 1Σ+–X 1Σ+ system (ν0(approximate)12 643 cm−1) and the A′ 1Π–X Σ+ system (ν0(approximate)13 196 cm−1) of platinum monocarbide. The PtC molecules were produced in a pulsed supersonic molecular beam source following the reaction of laser ablated platinum vapor with a mixture of a few percent of methane in argon. The newly determined permanent electric dipole moments obtained are 1.94(2)D (A″ 1Σ+) and 1.919(9)D (A′ 1Π). These results are discussed in terms of a proposed molecular orbital correlation diagram for platinum containing diatomics. The laser-induced fluorescence spectrum of the (0,0)A″ 1Σ+–X 1Σ+ transition of PtC has been re-recorded at high resolution (full width of half-maximum ∼40 MHz) and analyzed to yield rotational constants for the four most abundant isotopomers of PtC, extending the previous analysis [Appelblad, Nilsson, and Scullman, Phys. Scr. 7, 65 (1973)]. The anomalously large value (∼15 MHz) for the newly derived nuclear-spin rotation parameter, CI(195Pt), for the A″ 1Σ+ state is discussed. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.480452
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  • 4
    Electronic Resource
    Electronic Resource
    Rotational spectra and hyperfine constants of ZrO and ZrS (1999)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 110 (1999), S. 10715-10724 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The pure rotational spectra of ZrO and ZrS have been recorded using cavity Fourier transform microwave spectroscopy in the frequency range 9–26 GHz. The molecules were generated by laser ablation of a solid Zr rod in the presence of 0.05% of O2 or H2S, respectively, in either argon or neon. Rotational spectra of five previously unobserved isotopomers of ZrO in the X 1Σ+ state have been measured. Spectra for all five Zr32S isotopomers and for the 90Zr34S isotopomer in natural abundance have also been measured; this is the first report of pure rotational transitions for ZrS. Transitions in several excited vibrational states were also measured for the most abundant isotopomers of both species. Atomic mass-dependent Born–Oppenheimer breakdown correction terms were determined by fitting the data obtained for each molecule to a Dunham-like expression. Values for the equilibrium bond lengths of the two species were also calculated from the results of these fits. For both the 91Zr32S and 91Zr16O isotopomers, nuclear hyperfine structure due to the zirconium nucleus was observed and values for eQq0(91Zr) and CI(91Zr) have been determined. A rotational transition in the low lying a 3Δ state of ZrS has also been observed. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.479014
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  • 5
    Electronic Resource
    Electronic Resource
    Molecular beam optical Zeeman spectroscopy of iridium mononitride (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 106 (1997), S. 2073-2077 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The Zeeman effect on the F-1/2←3/2 hyperfine component of the R(0) line in the (0,0) band of the A1Π–X1Σ+ transition of iridium mononitride, IrN, was investigated using a supersonic molecular beam optical spectrometer. The magnetic gJ-factor for IrN in the A1Π state was determined to be 0.96±0.05. The general applicability of Zeeman measurements is described and the gJ-factor which is determined is related to plausible molecular orbital descriptions for IrN in the A1Π state. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.473141
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  • 6
    Electronic Resource
    Electronic Resource
    Detection and characterization of scandium imide, ScNH (1997)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 106 (1997), S. 9084-9094 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A supersonic molecular beam of scandium imide, ScNH, and deuterated imide, ScND, were produced using a laser ablation/reaction source and interrogated by laser induced fluorescence and dispersed fluorescence spectroscopy. The field free fine and magnetic hyperfine interactions and Stark effect in the (0,0) A˜ 2Πr–X˜2Σ+ transition of ScNH (origin=15 023.033 cm−1) were analyzed. Ground state vibrational spacing for ScNH and ScND was measured. The determined permanent electric dipole moments are μ(A˜ 2Π)=4.08(7)D and μ(X˜ 2Σ+)=2.28(15)D. Plausible molecular orbital descriptions are given for the A˜ 2Πr and X˜ 2Σ+ states based upon the interpretation of the spectroscopic parameters and a comparison with other isovalent molecules is made. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.474014
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  • 7
    Electronic Resource
    Electronic Resource
    A hydrocarbon detector for the remote sensing of vehicle exhaust emissions (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 3024-3029 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A new remote sensor for measuring on-road carbon monoxide, carbon dioxide, and hydrocarbon exhaust emissions in under 1 s from vehicles passing the sensor is described. The new design adds the capability for measuring exhaust hydrocarbons and eliminates the need for liquid–nitrogen-cooled detectors while improving upon the overall signal to noise. Under typical field operating conditions, sensitivity to 0.05% propane with a precision of 0.014% propane is observed. Two types of water interferences important to the measurement of exhaust hydrocarbons are reported. The water vapor present in all auto exhaust causes a small positive bias dependent on the analytical wavelength chosen. A much larger interference is caused by liquid water (often called "steam'') plumes seen behind cold vehicles at low temperatures. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146498
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of Hemiovariectomy and strain of rat on serum gonadotropin levels (1974)
    Springer
    Cellular and molecular life sciences 30 (1974), S. 653-654 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01921526
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  • 9
    Electronic Resource
    Electronic Resource
    The sedative effects of nicotinamide on gerbil wheel-running activity (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 1036-1037 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The activity of 5 groups of gerbils was monitored over 22 days. 3 of the groups received daily injections of nicotinamide (125, 250 or 500 mg/kg) and a 4th group received saline. The 5th group was untreated. The results indicated that both the 250 and 500 mg/kg nicotinamide administrations greatly reduced the activity levels of the gerbils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01933957
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  • 10
    Electronic Resource
    Electronic Resource
    The effect of property taxation on location of manufacturing activity (1969)
    Springer
    The annals of regional science 3 (1969), S. 67-75 
    Details
    ISSN: 1432-0592
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283752
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