Library

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
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 105 (1996), S. 1862-1879 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Ultrafast state-selective dynamics of diatomic molecules in the electronic ground state under the control of infrared picosecond and femtosecond shaped laser pulses is investigated for the discrete vibrational bound states and for the dissociative continuum states. Quantum dynamics in a classical laser field is simulated for a one-dimensional nonrotating dissociative Morse oscillator, representing the local OH bond in the H2O and HOD molecules. Computer simulations are based on two approaches — exact treatment by the time-dependent Schrödinger equation and approximate treatment by integro-differential equations for the probability amplitudes of the bound states only. Combination of these two approaches is useful to reveal mechanisms underlying selective excitation of the continuum states and above-threshold dissociation in a single electronic state and for designing optimal laser fields to control selective preparation of the high-lying bound states and the continuum states. Optimal laser fields can be designed to yield almost 100% selective preparation of any prescribed bound state, including those close to the dissociation threshold. State-selective preparation of the highest bound state may be accompanied by the appearance of a quasi-bound molecular state in the continuum with the kinetic energy of the fragments being close to zero. The respective above-threshold dissociation spectrum contains an additional, zero-order peak. The laser-induced dissociation from selectively prepared high-lying bound states is shown to be very efficient, with the dissociation probability approaching the maximal value. Flexible tools of state-selective laser control are developed which enable one to achieve selective control of the dissociation spectra resulting in time-selective and space-selective control of the dissociation fragments. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    ISSN: 1432-0738
    Keywords: Key words Rat papillary antigens ; Monoclonal antibodies ; Nephrotoxicity ; Papillary toxicity ; Urinary markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Monoclonal antibodies were prepared in an attempt to develop diagnostic tools for the identification of toxic damage to the rat renal papilla. One IgG and five IgM monoclonal antibodies, reacting with antigens localized in the papilla were obtained. Three of the IgM class and the IgG class monoclonal antibodies were found to be specific for antigens localized in collecting ducts, two of them staining papillary collecting ducts more intensely than cortical collecting ducts. The IgG class antibody, termed Pap X 5C10, recognizes an antigen located at high density on the luminal side of papillary collecting duct epithelial cells and at lower density in cortical collecting duct cells. One of the IgM class monoclonal antibodies reacts with an antigen localized in epithelial cells of ascending and descending loops of Henle and of connecting tubules. Another of the IgM class monoclonal antibodies reacts with an antigen localized in the interstices of the inner medulla. All these monoclonal antibodies react with their antigens in native frozen as well as in Bouin-fixed and paraffin-embedded tissue slices. Molecular properties of the Pap X 5C10 antigen have been investigated by gel permeation chromatography, SDS-PAGE, Western blotting, and isoelectric focusing. The results indicate that the antigen in both its tissue-derived and urinary form is of large (150–200 kDa) molecular size and can be separated into two molecular species with isoelectric points of pH 7.2 and 7.3 respectively. In the urine the antigens recognized by the monoclonal antibodies form large complexes with Tamm-Horsfall protein. The antigen-containing complexes can be extracted from urine by adsorption to diatomaceous earth and elution with SDS-containing buffer. Using sandwich ELISA-type assays it is possible to determine the concentration of the antigens. In preliminary experiments we were able to show that at least three of the antigens are detected in the urine following toxic insults to the kidney. The monoclonal antibodies prepared and the tests developed thus may provide direct diagnostic access to the renal papilla and allow, for the first time, early detection of papillary damage.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 249-250 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 649-652 
    ISSN: 1432-1076
    Keywords: Key words Lymphangioma ; Sklerosing therapy ; OK-432
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between April 1988 and July 1995, 11 children with a lymphangioma were treated with intralesional OK-432 injection. In 7 patients it was the primary therapy and total shrinkage of the lesion was obtained in 5 of them. Two patients did not respond and the children underwent surgery. Following incomplete surgical removal or recurrence of the lymphangioma, intralesional OK-432 injection was used as secondary therapy in 4 patients. Total regression was observed in 2 cases and marked regression in the 2 others. No serious side-effects except fever lasting for 2–3 days and slight tenderness with swelling of the lymphangioma for 3–4 days after the injection was noted. Local inflammatory reaction did not cause any damage to the overlying skin and did not lead to scar formation. Depending on the size, location, and anatomical relationship to the airway, intralesional injections of the lymphangiomas were performed under general anaesthesia and the children were observed for 24 h. There was no recurrence after follow up periods ranging from 2 months to 7 years. Conclusion Intralesional injection of OK-432 represents an alternative, safe and effective treatment for lymphangiomas. It can be used as the primary therapy, after partial surgical excision, or in recurrent lymphangiomas.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 155 (1996), S. 649-652 
    ISSN: 1432-1076
    Keywords: Lymphangioma ; Sklerosing therapy ; OK-432
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between April 1988 and July 1995, 11 children with a lymphangioma were treated with intralesional OK-432 injection. In 7 patients it was the primary therapy and total shrinkage of the lesion was obtained in 5 of them. Two patients did not respond and the children underwent surgery. Following incomplete surgical removal or recurrence of the lymphangioma, intralesional OK-432 injection was used as secondary therapy in 4 patients. Total regression was observed in 2 cases and marked regression in the 2 others. No serious side-effects except fever lasting for 2–3 days and slight tenderness with swelling of the lymphangioma for 3–4 days after the injection was noted. Local inflammatory reaction did not cause any damage to the overlying skin and did not lead to scar formation. Depending on the size, location, and anatomical relationship to the airway, intralesional injections of the lymphangiomas were performed under general anaesthesia and the children were observed for 24 h. There was no recurrence after follow up periods ranging from 2 months to 7 years.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 109 (1996), S. 210-212 
    ISSN: 1437-1596
    Keywords: Fulminant hepatic dystrophy ; Paracetamol intoxication ; Enflurane anesthesia ; Hepatitis G virus infection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract The case of a 12-year-old child who died of fulminant hepatic failure a few days after tonsillectomy is reported. Histological examination revealed large areas of massive centrilobular hepatic necrosis. Hepatotoxity of postoperatively administered paracetamol in high dosages combined with enflurane exposure is discussed as a cause for the hepatic failure. The fulminant clinical course could have been influenced by an infection with hepatitis G virus which was detected in liver tissue by in situ hybridisation and was probably transmitted via transfusion of blood plasma.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 7
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In den letzten Jahren wurden verschiedene Therapiekonzepte zur optimalen Behandlung der Acrodermatitis chronica atrophicans durchgeführt. Aus einer Gruppe von 46 Patienten erhielten 14 Ceftriaxon 2g für 15 Tage, die übrigen Patienten Penicillin V 1,5 Mill. IE 3×1 oder Doxycyclin 100 mg 2×1 durch 20–30 Tage. Vier der 14 Patienten, die mit Ceftriaxon über nur 15 Tage behandelt worden waren, zeigten bei einer Kontrolle nach 6–12 Monaten eine inkomplette Rückbildung der Hautveränderungen. Zwei von fünf mit Ceftriaxon behandelten Patienten wiesen nach 12 Monaten eine Borrelien-DNA Ausscheidung im Harn auf. Im Vergleich dazu konnten aus dem Harn von sechs Patienten, die orale Antibiotika über 20–30 Tage erhalten hatten, nach dem gleichen Zeitraum keine Borrelien-DNA Fragmente amplifiziert werden. Sechs von 11 Patienten, die oral über 20 Tage behandelt worden waren, mußten jedoch aufgrund anhaltender entzündlicher Hautveränderungen, Neuropathie oder Arthralgien ein zweites Mal therapiert werden. Wir schließen aus den Ergebnissen, daß der Therapieerfolg bei der Acrodermatitis chronica atrophicans nicht so sehr von der Wahl des Antibiotikums sondern vielmehr von einer Therapiedauer von 30 Tagen abhängt. Der Behandlungserfolg einer möglicherweise kürzeren Behandlungsdauer mit Ceftriaxon muß noch in weiteren Studien erprobt werden.
    Notes: Summary To determine the most effective treatment for acrodermatitis chronica atrophicans, several clinical trials were undertaken in recent years to evaluate whether a 2-week course of ceftriaxone would be superior to oral antibiotics. Of the 46 patients suffering from acrodermatitis chronica atrophicans, 14 were treated with ceftriaxone 2g for 15 days. The remaining patients received either oral penicillin V 1.5 million IU t.i.d. or doxycycline 100 mg b.i.d. for 20 to 30 days. Patients were followed up for at least 1 year. Of the 14 ceftriax-one-treated patients four showed incomplete regression of the inflammatory skin changes after 6 to 12 months. Two out of five patients who were monitored forBorrelia burgdorferi DNA excretion were still positive after 12 months as compared to none of six patients who were treated orally for 20–30 days. Six out of 11 patients treated orally for only 20 days needed retreatment after 6 months because of continuing skin manifestations, neuropathy or arthralgia. A 30-day duration of treatment with oral antibiotics and not the chosen antibiotic is crucial for curing acrodermatitis chronica atrophicans. The duration of treatment with ceftriaxone needed for eradication ofBorrelia in acrodermatitis chronica atrophicans has yet to be determined in future studies.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 8
    ISSN: 0935-6185
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology , Medicine
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1158-1158 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 10
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 24 (1996), S. 511-516 
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Vapor phase decomposition-droplet surface etching-graphite furnace atomic absorption spectroscopy (VPD-DSE-GFAAS) is discussed as a technique for the determination of low levels of metals in chemical oxides on silicon surfaces. The VPD-DSE-GFAAS technique was found to be statistically equivalent to results obtained by the standard surface techniques of total reflectance x-ray fluorescence spectroscopy (TXRF) and SIMS. The capability of the VPD-DSE-GFAAS technique has been extended to detection limits in the 107 to low 109 atom cm-2 range. A positive linear relationship was found for iron, calcium, zinc and aluminum deposited on a silicon wafer from an ammonium hydroxide-hydrogen peroxide-water (SC1) solution. Sodium and potassium deposition from SC1 solutions was found to be independent of solution concentrations. Deposition for these metals appeared to be primarily related to localized micron-sized nuclei deposits and not to adsorption on an atomic scale.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...