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  • 1
    Electronic Resource
    Electronic Resource
    Intraoperative radiotherapy of upper abdominal tumours (1992)
    Springer
    European radiology 2 (1992), S. 29-34 
    Details
    ISSN: 1432-1084
    Keywords: Intraoperative radiotherapy ; Upper abdomen ; Cancer surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstracts Thirty patients with malignant tumours in the upper abdomen underwent surgery and intraoperalive radiation (IORT), using electron beam, to: the surgical bed, residual or unresected tumour. The technical aspects and results of this treatment are described. Renal, adrenal, bile duct and gastrointestinal tumours were treated. along with several other lesions. The surgical procedure consisted in 10 cases simply of exposure of the tumour for IORT and in 20 the tumour was resected. The TORT dose ranged from 10 to: 20 Gv. In 13 patients, external beam radiation was also given to: residual tumour or to: areas of high risk for recurrence. Chemotherapy was given to: 10 patients. Tolerance to: the combined treatment was acceptable; with few complications related to: IORT. The median follow-up and survival time 23 months (range 4-more than 70 months). Local tumour control rate (or tumour stabilisation) is 90%. Distant metastases developed in 19 patients (63%). The actuarial survival rate for the group projected at 70 months (maximum follow-up) is 37%. IORT in useful in the management of tumours arising in the upper abdominal organs, for palliation surgery or when resectability of the tumour is in doubt. Indications for IORT include patients with uncommon tumours of the upper abdomen who are not be candidates for standardised cancer treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00714178
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  • 2
    Electronic Resource
    Electronic Resource
    Biodistribution of iodine-125 tyramine transforming growth factor α antisense oligonucleotide in athymic mice with a human mammary tumour xenograft following intratumoral injection (1996)
    Springer
    European journal of nuclear medicine 23 (1996), S. 448-452 
    Details
    ISSN: 1619-7089
    Keywords: Transforming growth factor α ; Antisense phosphodiester oligonucleotide ; Radioiodine labelling ; Biodistribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The Watson-Crick base pairing rule provides the underlying principle for the antisense (AS) approach to inhibiting gene expression. Transforming growth factor α (TGFα) was the first growth factor to be associated with tumorigenesis, thus making the TGFα (mRNA) a potential target for AS therapy and offering the potential for monitoring of the progression of malignancy by non-invasive imaging with radiolabelled AS phosphodiester. Probe labelling and biodistribution were studied in the present report. A 23-mer oligonucleotide sequence was synthesized and grafted in 5′ with a tyramine group which was further radioiodinated. The radiolabelled AS was injected intratumorally in mammary tumour-bearing BALB/c mice (3 weeks after inoculation of 7·106 NS2T2A mammary cells). Biodistribution was monitored by sequential scintigraphy and organ radioactivity after autopsy. The 5′ tyramine group allowed specific and stable radiolabelling of the AS with125I. The125I AS oligonucleotide was rapidly cleared from the tumour by intestine and kidneys. Four hours after intratumoral injection, 6.5%±1.5% of the dose was retained in the tumour as non-degraded125I AS. It is concluded that 5′ tyraminylated AS provides information on the biodistribution of AS oligonucleotide following intratumoral injection. These data will contribute to the pharmacology of AS oligonucleotides which can be used for therapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01247375
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Orbital contributions to some two-electron properties (1980)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 18 (1980), S. 1465-1472 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Analytical formulas are given for the orbital contributions to two-electron properties such as 〈r12n〉, with n = -2, -1, 1, 2, 3, and 4, for atomic systems in which orbitals are expanded as linear combinations of Gaussian functions. Numerical values for all possible contributions in the atoms Li to Ne have been calculated at the Hartree-Fock level. These quantities are compared and discussed to show what kind of information can be obtained from such quantities. The influence of the basis set size has also been considered.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560180610
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    Paper (German National Licenses)
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