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  • 1
    Electronic Resource
    Electronic Resource
    Interfacial factors that affect the photoefficiency of semiconductor-sensitized oxidations in nonaqueous media (1989)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 93 (1989), S. 4882-4886 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100349a040
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  • 2
    Electronic Resource
    Electronic Resource
    Flexible instrument for time-correlated single-photon counting (1991)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 62 (1991), S. 2991-2996 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A single-photon counting instrument is described that is capable of recording single decay curves, time-resolved spectra, and sequences of fluorescence decay curves with the emission wavelength, the time from the start of the experiment, or other externally variable values as parameters. The instrument contains an internal microcomputer for experiment and measurement system control, data processing, and data management. It can be operated at pulse repetition rates ranging from 10 to 200 MHz and allows a photon count rate of up to 106/s. The FWHM of the instrument response is 94 ps with a photomultiplier tube of type 18 ELU-FM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1142144
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  • 3
    Electronic Resource
    Electronic Resource
    Photoluminescence and excitation spectra of Zn1−xMnxSe films and superlattices grown by molecular-beam epitaxy (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 3011-3019 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Measurements of photoluminescence and photoluminescence excitation spectra at liquid helium temperatures are presented for films of ZnSe, Zn1−xMnxSe (0≤x≤0.33), and multilayer structures ZnSe/Zn1−xMnxSe (x=0.23, 0.33, and 0.51) grown by molecular-beam epitaxy. All samples investigated had the zinc-blende structure. The temperature dependence of the luminescence from the superlattices has been studied up to 300 K. Good quality of the samples is evidenced by the reduction of impurity- or defect-related long wavelength emissions. Several new features in the photoluminescence spectra were resolved (e.g., a region of low-intensity luminescence ending with a sharp cut off at about 75 meV above the main line) which were not observable in bulk samples. The presence of internal strains in the epitaxially grown superlattice samples results in the observed splitting of the heavy- and light-hole valence bands. Furthermore, the strain present can actually dominate over the quantum confinement to produce a net red shift of the near band-edge features. Both the red shifts and the heavy-to-light-hole band splitting are consistent with the estimates of the lattice mismatch-induced strains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.337851
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  • 4
    Electronic Resource
    Electronic Resource
    Spontaneous emission in a free-electron laser with a discrete taper (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 58 (1985), S. 3016-3021 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Spontaneous emission in a tapered free-electron laser is considered for the case where the magnetic field of the undulator is described by an expression that varies discretely from one half-period to the next. This geometry permits the utilization of the knowledge of the electron trajectories in untapered undulators. The method can be applied for any conceivable configuration of tapered undulators with electrons propagating either on or off axis and yields the spectrum of radiation at arbitrary angles including harmonics. The approach is developed for linear polarization; however, circular polarization may be treated as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.335850
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  • 5
    Electronic Resource
    Electronic Resource
    Carrier gas-free chemical vapor deposition technique for in situ preparation of high quality YBa2Cu3O7−δ thin films (1991)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 59 (1991), S. 869-871 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new carrier gas-free metalorganic chemical vapor deposition technique was developed yielding a high deposition rate. The β-dicetonate precursor compounds were synthesized with reproducible water content which is of great importance for their vapor pressure. With the technique described above c-axis oriented YBa2Cu3O7−δ thin films were prepared with Tc(R=0)=91.8 K and jc(77 K)=1.3×106 A/cm2 on (100)SrTiO3 substrates and Tc(R=0)=91.1 K and jc(77 K)=3×105 A/cm2 on (100)MgO substrates at B=0 T. The influence of the metal composition on the formation of precipitation was studied by SEM investigations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.105263
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  • 6
    Electronic Resource
    Electronic Resource
    Immunological cross-reactivity of hemoglobins in the Diptera familiy Chironomidae (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 46 (1991), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Polyclonal human IgE antibodies of patients sensitized to one species of the Diptera family Chironomidae as well as polyclonal rabbit anti-Chi t I hyperimmune serum recognize antigenic sites present in nearly all of the 33 species of this insect family. Evolutionary distantly related genera usually show weaker antibody binding. According to the pattern of reactivity of rabbit anti-Chi t I-component III, expression of the epitopes of this molecule varies considerably in the genera Chironomus and Glyptotendipes; it appears to be almost totally absent in all other species. Of five monoclonal antibodies raised against Chi t I-component III, two recognize an epitope which is expressed in nearly all closely related species. Three monoclonal antibodies recognize epitopes which are expressed in only a few species of the same genus. Our results demonstrate the presence of common as well as species-specific epitopes in chironomid hemoglobins which behave as potent inhalant allergens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1991.tb04223.x
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  • 7
    Electronic Resource
    Electronic Resource
    Stochastic averaging by functional differentiation (1986)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 27 (1986), S. 991-995 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The stochastic average of exponential expressions that depend at most quadratically upon a Gaussian random function is evaluated using a functional method. The average can be obtained formally for arbitrary forms of the correlation function. The result, however, depends upon a functional determinant and the inverse of a linear operator. Cases are discussed, in particular the Ornstein–Uhlenbeck process, where the latter quantities can be evaluated explicitly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.527120
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  • 8
    Electronic Resource
    Electronic Resource
    The Effect of Aridanin Isolated from Tetrapleuratetraptera and Serotonin on the Isolated Gastrointestinal Tract Smooth Muscles of Biomphalaria glabrata and Uptake of Calcium (1990)
    s.l. : American Chemical Society
    Journal of natural products 53 (1990), S. 956-959 
    Details
    ISSN: 1520-6025
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/np50070a027
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  • 9
    Electronic Resource
    Electronic Resource
    Epitope analysis of isoforms of the major allergen Phl p V by fingerprinting and microsequencing (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 24 (1994), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The major allergen of timothy grass pollen (Phleum pratense), designated as Phl p V, consists of isoallergenic components of 38 and 32 kDa with pi values of 5.2 7.5 and 4.8 5 9, respectively. The different-sized proteins reveal similarities in IgE reactivity, N-terminal sequence and protein staining. For epitope analysis of these allergens u combination of enzymatic cleavage of electrophoretically separated proteins and iminunoblotting techniques with subsequent N-terminal sequencing was performed. After isolation of the components from two-dimensional PAGE gels. proteins were enzymatically cleaved and separated by SDS-PAGE. By endoproteinase Glu-C cleavage six IgE-reactive fragments of each 32 kDa protein and three of each 38 kDa allergen were obtained. Microsequencing of the fragments revealed internal sequences that did not show any similarities between the different-sized allergens. Therefore, we assume only slight structural variations among allergens of similar sizes, whereas the 32 and 38 kDa proteins reveal great differences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1994.tb00227.x
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  • 10
    Electronic Resource
    Electronic Resource
    Immunological cross-reactivity of hemoglobins in the Diptera familiy Chironomidae (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 46 (1991), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Polyclonal human IgE antibodies of patients sensitized to one species of the Diptera family Chironomidae as well as polyclonal rabbit anti-Chi t I hyperimmune serum recognize antigenic sites present in nearly all of the 33 species of this insect family. Evolutionary distantly related genera usually show weaker antibody binding. According to the pattern of reactivity of rabbit anti-Chi t I-component III, expression of the epitopes of this molecule varies considerably in the genera Chiranomus and Clyptotendipes; it appears to be almost totally absent in all other species. Of five monoclonal antibodies raised against Chi t I-component III, two recognize an epitope which is expressed in nearly all closely related species. Three monoclonal antibodies recognize epitopes which are expressed in only a few species of the same genus. Our results demonstrate the presence of common as well as species-specific epitopes in chironomid hemoglobins which behave as potent inhalant allergens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1991.tb04360.x
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