Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Ultrafast two-dimensional x-ray imaging with x-ray streak cameras for laser fusion research (invited) : Proceedings of the eleventh topical conference on high temperature plasma diagnostics (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 745-749 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Ultrafast two-dimensional x-ray imaging is required for diagnosing laser-driven inertial confinement fusion plasmas. Image sampling technique with x-ray streak cameras can meet this requirement. Multi-imaging x-ray streak camera method (MIXS) with temporal and spatial resolutions of 10 ps and 15 μm, respectively, has been developed and successfully utilized for diagnosing the uniformity and heating process of the imploded core plasmas. The two-dimensional sampling-image x-ray streak camera method is also presented. Two types of spectroscopic applications of the MIXS have been developed recently. One is multichannel MIXS, which has three MIXS channels with various spectral responses for time-resolved two-dimensional temperature measurement of the plasmas. Another is monochromatic MIXS for temperature, density, and mixing measurement, in which monochromatic images with Bragg crystals are coupled to MIXS. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1147690
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Time-resolved two-dimensional monochromatic imaging of laser-imploded plasma : Proceedings of the eleventh topical conference on high temperature plasma diagnostics (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 817-819 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: To prepare a new diagnostic tool for the laser-imploded plasma, we have developed a time-resolved, two-dimensional monochromatic imaging system that consists of a pinhole array, a flat diffraction crystal, and an x-ray streak camera without cathode slit. We have successfully reconstructed time-resolved two-dimensional images of an Ar resonance line emitted from an imploded plastic shell filled with D2/Ar mixture gas. The current system provides the temporal resolution of ∼24 ps and the spatial resolution of ∼16 μm for the direction perpendicular to the spectral dispersion. The spatial resolution parallel to the spectral dispersion is ≤27 μm, that depends on the crystal broadening and the spectral linewidth. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1147697
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Regrowth of the photoquenchable defect relating to the hopping conduction in arsenic-ion-implanted semi-insulating GaAs (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 4488-4490 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The quenching phenomenon in Mott-type hopping conduction below 125 K has been observed in As+-ion-implanted semi-insulating GaAs. The crystallinity of the implanted layer was evaluated using Rutherford backscattering and Raman scattering methods. The hopping conduction was observed in the as-implanted and annealed samples. The as-implanted layer was amorphous, while the annealed layers remained crystalline, consisting of a disordered structure with a displacement fraction of ∼1021 cm−3. In the samples annealed at 500 °C, it is suggested that some of the As precipitates are located on Ga sites, leading to the disappearance of the A1 g Raman active mode of the As clusters. The hopping conduction was photoquenched as the defect concentration reached ∼6×1017 cm−3, indicating the regrowth of the AsGa antisite defects as a main component of EL2. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.363423
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Enhanced photoluminescence detection of oxygen in silicon crystal by formation of a carbon–oxygen complex through carbon implantation and electron irradiation (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 4407-4410 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In order to develop a method to detect low-level oxygen in thin silicon crystals by photoluminescence (PL), a radiative carbon–oxygen center (C center: 0.79 eV) is formed in silicon crystals through carbon introduction by ion implantation. The PL intensity of the C center of the implanted sample is significantly increased by annealing the sample at 1000 °C followed by electron irradiation. The possibility of detecting a low concentration of oxygen (below 1×1015 atoms/cm3) in a layer thinner than 1 μm thick is seen. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359847
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Magnetoresistance, Hall effect, and thermoelectric power in spin valves (1998)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 83 (1998), S. 5927-5932 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Comparison of the magnetoresistance (MR) on two groups of spin-valve multilayers, NiO/NiFe/Cu/NiFe/Cu/NiO and NiO/NiFe/Cu/NiFe/Cu, has been made in order to investigate the possibility of the enhanced specular scattering at NiO/metal interface. No clear difference in MR between the two systems has been found, suggesting that the enhancement of specular scattering at interfaces is not the origin of the large MR. For the field direction almost perpendicular to the plane, we found a sensitive angular dependence of MR along with a large unidirectional anisotropy. To sort out any specific characteristics of the spin-valve system compared to the multilayers, thermoelectric power and Hall effect have been investigated for the first time. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.367457
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Spectral response of boron-implanted amorphous silicon Schottky diode (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 57 (1985), S. 2280-2284 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The spectral response of Schottky diodes on hydrogenated amorphous silicon implanted with boron has been investigated. The decrease in sensitivity in the short-wavelength range has been observed in samples implanted with the boron dose of more than 1.6×1013 ions/cm2. The experimental spectral responses are in good agreement with theoretical responses derived from the assumption that the photoexcited carriers are mainly transported by drift field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.334376
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Output performance of a liquid-N2-cooled, para-H2 Raman laser (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 57 (1985), S. 1504-1508 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Stimulated rotational Raman scattering (SRRS) of a transversely excited atmosphere-CO2 laser in para-H2 was studied with a liquid-N2-cooled multiple-pass cell. Line-tunable output from 13.7 to 17.2 μm was obtained by changing CO2 pump lines. Threshold pump energies required for SRRS were measured to be 0.9 and 1.5 J for the 9P(20) and 10P(20) CO2 lines, respectively. Above the threshold, the Stokes output energies for the 10-μm band pumping increased in proportion to the increase of the pump energies, while the increase of the Stokes output for the 9-μm band pumping was limited. Para-H2 pressure dependence of the Stokes output energy showed that the Stokes gain became constant for pressures above 250 Torr at 100 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.334463
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Identification and possible function of cathepsin G in gingival crevicular fluid from chronic adult periodontitis patients and from experimental gingivitis subjects (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 30 (1995), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The levels of cathepsin G in gingival crevicular fluid (GCF) from chronic adult periodontitis patients and experimental gingivitis subjects were determined both by activity measurement using N-benzoyl-(DL)-phenylalanine-2-naphthyl ester as a substrate and by enzyme immunoassay using anti-human cathepsin G IgG. The activity level of cathepsin G in GCF of both periodontitis and experimental gingivitis has no significant correlation with all measured clinical parameters. Western immunoblotting using antibodies specific for cathepsin G or α1-proteinase inhibitor revealed that the difficulty in demonstrating the association of its activity with the severity of these diseases was due largely to formation of the enzyme-inhibitor complexes. By contrast, statistically significant positive correlation was found between cathepsin G content in GCF of periodontitis, which was determined by enzyme immunoassay, and such clinical parameters as the GCF volume, the gingival index and probing depth. The increased cathepsin G content with increasing severity of periodontal inflammation was markedly diminished by the initial treatment. Although no significant activity was detectable in GCF of experimental gingivitis, a rapid increase of the immunoreactive cathepsin G was found in GCF at 3–5 d after refraining from oral hygiene measures, which rapidly decreased by 10 d. The progressively increased cathepsin G between 10th and 21st d rapidly decreased by cleaning of the teeth. The results indicate that cathepsin G is involved in the host's defensive mechanism against the invasion of etiologic microbes and/or the development of either periodontitis or gingivitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1995.tb01252.x
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    ANTI-PROLIFERATIVE EFFECTS OF UNMODIFIED ANTISENSE OLIGODEOXYNUCLEOTIDES TARGETED AGAINST c-raf mRNA: USE OF POLY (LYSINE/SERINE) COPOLYMERS OR CATIONIC LIPOPOLYAMINES (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 25 (1998), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. It is now known that nuclease-resistant phosphorothioate antisense oligodeoxynucleotides (ODN) have some actions that are unrelated to antisense mechanisms. In the present study we assessed the anti-proliferative effects of phosphorothioate (PS) and phosphodiester (PO; unmodified) antisense ODN targeted against c-raf mRNA on pancreatic cancer cells in vitro, using poly (lysine/serine) copolymers conjugated with polyethylene glycol (PLSP) or cationic lipopolyamines (Transfectam) as carriers.2. The anti-proliferative effect of the PO antisense ODN was significantly (P 〈 0.05) greater than that of the PS ODN, either complexed with PLSP (2 μmol/L ODN) or the Transfectam (0.5 μmol/L ODN). However, the effect of the PS or PO antisense ODN was not dependent on the antisense sequence. The c-raf mRNA levels, assessed by reverse transcription-polymerase chain reaction, were obviously reduced by both PO and PS anti-sense ODN compared with mismatched ODN when complexed with the Transfectam (1 μmol/L ODN).3. Although the anti-proliferative effects were mainly unrelated to antisense mechanisms, unmodified antisense ODN complexed with some carriers could be used as anti-tumour agents considering that synthetic carriers can be modified to improve functions, such as delivery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1998.tb02279.x
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Immunohistochemical study of cathepsin G and medullasin in inflamed gingival tissues from periodontal patients (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 32 (1997), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Cathepsin G and medullasin are 2 major serine proteinases associated with the granular fraction of polymorphonuclear leukocytes (PMNs). To know their possible involvement in the pathophysiological gingival connective tissue turnover, we have determined the distribution and localization of these 2 enzymes in inflamed gingival tissues from periodontal patients by immunohistochemistry with discriminating antibodies specific for each enzyme. The gingival connective tissues were obtained from periodontitis patients with various inflammatory conditions and control healthy subjects without any clinical signs of periodontal inflammation. In all gingival specimens examined, cathepsin G and medullasin were found mainly in neutrophil-like cells and partly in macrophage-like cells. No positive staining for both enzymes was obtained in endothelial cells and fibroblasts in every part of the gingival tissues. Immunoreactivity for each enzyme in the gingival tissues from the periodontitis group was stronger and greater in the intensity and frequency than that from the control group and appeared to be increased with the severity of the disease. In both groups, the number of immunoreactive cells for each enzyme was greater in the vicinity of pocket epithelium (zone I) than in the area of central connective tissue (zone II) or the area subjacent to the oral epithelium (zone III). While both enzymes in zones II and III were exclusively found in coarse granules, their stainings in zone I were not only coarse but also diffuse. These results strongly suggest that both enzymes may have some association with inflamed gingival tissue degradation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1997.tb00533.x
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...