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  • 1
    Electronic Resource
    Electronic Resource
    Soft magnetic properties of nanocrystalline FeRuGaSi-Hf alloy films and head characteristics for the embedded thin film tape head : The 40th annual conference on magnetism and magnetic materials (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 79 (1996), S. 5907-5909 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The Hf-added FeRuGaSi alloy film has an amorphous structure in the as-deposited state and becomes nanocrystalline after annealing. Due to this structure change from crystalline to amorphous by the addition of Hf, soft magnetic degradation of the film deposited on the slant grooved substrate, which is necessary for the sophisticated embedded thin film (ETF) head structure, is greatly suppressed and the undesirable film stress is relieved. The FeRuGaSi-Hf alloy film has higher resistivity and permeability at high frequencies than those of sendust film, and the read/write characteristics of this alloy film show better performance than sendust film. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.362168
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  • 2
    Electronic Resource
    Electronic Resource
    Temperature dependence of reflectance and transmittance at 514.5 nm of CdS films formed by laser ablation (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 2985-2986 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The temperature dependence of reflectance and transmittance of a thin (2 μm) CdS film prepared by laser ablation was investigated. The measurements were performed with the 514.5 nm line of an argon laser in the range 180–350 K. It occurred that due to locally enhanced absorption at the film/substrate interface, the transmitted light was considerably weaker than would be theoretically expected for a homogeneous layer. The reflectance, however, followed the theory based on Urbach's rule. The interfacial enhancement of the absorption was confirmed by luminescence investigations. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116671
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  • 3
    Electronic Resource
    Electronic Resource
    Electric field dependent intersubband optical transitions in a ZnCdSe–ZnSe superlattice (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 2074-2076 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The polarization dependence of the excitonic transition in ZnSe-Zn0.8Cd0.2Se superlattices was studied by low-field electroreflection spectroscopy. A new peak observed in the lower energy side of the n=2 heavy-hole exciton E2hh at room temperature is attributed to the forbidden transition in zero field from the n=2 heavy-hole state to the n=1 electron state. This reflection change is found to be polarization dependent. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116884
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  • 4
    Electronic Resource
    Electronic Resource
    Cathepsin B and D expression in squamous cell carcinoma (1996)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 135 (1996), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To elucidate involvement ol protcinascs in malignancy of keratinocytes. expression ol catbepsin B, a cysteine proteinase. and catbepsin D. an aspartic proteinase. was ascertained in lormalin-lixed paraffin-embedded specimens of nortnal skin, squamous cell carcinoma (SCC). Bowen's disease, seborrboeic keratosis and basal cell carcinoma (BCC). Presence of procalbepsin B and an intermediate form of catbepsin D was coiilirmed by Westerti blolling and enzytne activity analysis. Cathepsin B stained more Intensely In SCC tumour cells tban in normal epidermis: staining patterns were diffuse, grantilar or botb. Diflusc and granular patterns (procatbcpsin B and mature enzyme, respectively) appeared in inner and outer parts of tumour islands, respectively. Five of 20 cases of Bowen's disease sbowed diffuse enhanced catbepsin B expression: 20 cases of seborrhoeic keratosis or BCC did not. Cathepsin D stained intensely in tumour cells of half the SCC cases. The staining manner and distribution of cathepsins B and D was similar in the cytoplasm of cancer cells. No enhanced staining of cathepsin I) was seen in any cases of Bowen's disease, seborrhoeic keratosis. or BCC. Coexistence and localization of active mature forms of cathepsins B and D suggests that cooperation between tbe two enzymes may play an important part in invasion of SCC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.1996.d01-1093.x
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  • 5
    Electronic Resource
    Electronic Resource
    Regional differences of the effect of σ receptor ligands on the acetylcholine release in the rat brain (1996)
    Springer
    Journal of neural transmission 103 (1996), S. 661-669 
    Details
    ISSN: 1435-1463
    Keywords: σ1 Receptor ; (+)-N-allylnormetazocine ; 1,3-Di(2-tolyl)guanidine ; microdialysis ; acetylcholine ; hippocampus ; striatum ; regional differences ; rats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We found that a receptor ligands differentially regulated the acetylcholine (ACh) neurotransmission in the rat brain. Acute administration of (+)-N-allylnormetazocine [(+)-SKF-10,047], a prototype σ1 receptor ligand, and 1,3-di(2-tolyl)guanidine (DTG), a non-specific σ receptor ligand, increased the extracellular ACh level in the rat hippocampus. This increase of hippocampal extracellular ACh level elicited by (+)-SKF-10,047 was more potent than that elicited by DTG. On the other hand, the striatal extracellular ACh level was slightly affected by (+)-SKF-10,047. In addition, DTG did not affect the striatal extracellular ACh level. Our previous studies have shown that both (+)-SKF-10,047 and DTG increased the extracellular ACh level in the rat frontal cortex. Taking all these data into consideration, the regulation of ACh neurotransmission by σ receptor ligands are different depending upon the brain region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01271226
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  • 6
    Electronic Resource
    Electronic Resource
    Femtosecond phase spectroscopy of multi-level systems: Phthalocyanines (1996)
    Springer
    Applied physics 63 (1996), S. 255-264 
    Details
    ISSN: 1432-0649
    Keywords: PACS: 07.60.Ly; 42.65.Re; 78.47.+p
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract.  A femtosecond frequency-domain interferometer is applied to metal-free and vanadyl phthalocyanine (H2Pc and VOPc) thin films to measure time-resolved difference phase and transmission spectra simultaneously. For both samples, the phase-change dynamics is different from the transmission-change dynamics at 620 nm, reflecting that the phthalocyanines (Pc) cannot be modeled with a two-level system but by a multi-level or inhomogeneously broadened system, in which each level pair exhibits different relaxation dynamics. Because of this dynamical difference, a phase-change measurement is required to correct distortion of the transient spectra due to induced phase modulation of probe pulses. Near zero time delay, the phase and transmission changes show different growth behavior. This behavior is explained by antisymmetric amplitude and phase gratings which are produced by coherent coupling between frequency-chirped pump and probe pulses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01833795
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  • 7
    Electronic Resource
    Electronic Resource
    Femtosecond phase spectroscopy of multi-level systems: Phthalocyanines (1996)
    Springer
    Applied physics 63 (1996), S. 255-264 
    Details
    ISSN: 1432-0649
    Keywords: 07.60.Ly ; 42.65.Re ; 78.47. + p
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A femtosecond frequency-domain interferometer is applied to metal-free and vanadyl phthalocyanine (H2Pc and VOPc) thin films to measure time-resolved difference phase and transmission spectra simultaneously. For both samples, the phase-change dynamics is different from the transmission-change dynamics at 620 nm, reflecting that the phthalocyanines (Pc) cannot be modeled with a two-level system but by a multi-level or inhomogeneously broadened system, in which each level pair exhibits different relaxation dynamics. Because of this dynamical difference, a phase-change measurement is required to correct distortion of the transient spectra due to induced phase modulation of probe pulses. Near zero time delay, the phase and transmission changes show different growth behavior. This behavior is explained by antisymmetric amplitude and phase gratings which are produced by coherent coupling between frequency-chirped pump and probe pulses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01833795
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  • 8
    Electronic Resource
    Electronic Resource
    Formaldehyde Levels in Rain Water from Kobe City in Japan (1996)
    Springer
    Bulletin of environmental contamination and toxicology 57 (1996), S. 556 -559 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001289900226
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  • 9
    Electronic Resource
    Electronic Resource
    Immunolocalizations of human gelatinase (type IV collagenase, MMP-9) and TIMP (tissue inhibitor of metalloproteinases) in normal epidermis and some epidermal tumors (1996)
    Springer
    Archives of dermatological research 288 (1996), S. 239-244 
    Details
    ISSN: 1432-069X
    Keywords: Key words Gelatinase ; Type IV collagenase ; MMP-9 ; TIMP ; Epidermis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The matrix metalloproteinases (MMPs) MMP-2 and MMP-9 (gelatinases) have been suggested as serving an important role in cleaving the basement membrane structure. Tissue inhibitors of metalloproteinases TIMPs (particularly TIMP-1) are known to inhibit MMPs. Based on this background, we raised monoclonal antibodies against human gelatinase (MMP-9) and human recombinant TIMP (TIMP-1), and immunostained these two components in skin from patients with squamous cell carcinoma (SCC), Bowen’s disease (BD) and keratoacanthoma (KA). MMP-9 showed positive staining mainly in the granular layer of normal epidermis. In some cases of SCC and BD, MMP-9 showed positive staining in the dysplastic lesions even in the basal layer. TIMP showed a thorough positivity in normal epidermis. Unstained regions with this antibody were observed in SCC and BD. These results suggest that an altered staining pattern for MMP-9 and TIMP may be closely related to the malignant transformation of SCC and BD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004030050052
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  • 10
    Electronic Resource
    Electronic Resource
    Purification of alkaline proteases from a Bacillus strain and their possible interrelationship (1996)
    Springer
    Applied microbiology and biotechnology 45 (1996), S. 63-71 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  Alkalophilic Bacillus sp. KSM-K16 produced three alkaline proteases, as detected by polyacrylamide gel electrophoresis (PAGE). The major protease, designated M protease, was recently purified to homogeneity and its properties were characterized. In the present study, two minor proteases, designated H protease and N protease, were purified to homogeneity from cultures of this organism. H protease had a molecular mass of 28 kDa, as estimated by sodium dodecyl sulfate/PAGE (SDS-PAGE) and its maximum activity against casein was observed at pH 11.0 and at 55°C. N protease consisted of two polypeptide chains with molecular masses of 12.5 kDa and 14.5 kDa, as estimated by SDS-PAGE, although it migrated as a single protein band during non-denaturing PAGE. Its maximum activity was observed at pH 11.0 and at 60°C. The amino-terminal sequences of H protease and of the 14.5-kDa polypeptide of N protease were identical to that of M protease. The electrophoretic relationship between the three enzymes was examined after they had been stored at different pH values and at 5°C. M protease was converted to H protease more rapidly at pH 11 than at pH 8 or below, and H protease was converted to M protease at pH 8 or below but not at pH 11. N protease appeared to be the autolytic product of the M and H proteases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530050650
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