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  • 1
    Online Resource
    Online Resource
    Quantum theoretic machines : what is thought from the point of view of physics (2000)
    Amsterdam : Elsevier
    Details Availability
    Keywords: Brain Mathematical models ; Cognition Mathematical models ; Cerveau Modèles mathématiques ; Cognition Modèles mathématiques ; Logique matricielle ; Théorie quantique ; Matrix logic ; Quantum theory ; Brain Mathematical models ; Cognition Mathematical models ; Cognition ; Mathematical models ; Physics ; Cognition ; Models, Theoretical ; Physics ; Quantum Theory ; Brain ; Models, Theoretical ; Mathematical models ; Mathematical models ; Cognition ; Cognition ; Physics ; MATHEMATICS ; Infinity ; MATHEMATICS ; Logic ; Brain ; Mathematical models ; Cognition ; Mathematical models ; Matrix logic ; Quantum theory ; Physique ; Physics ; Cognition - Modèles mathématiques ; Cognition ; Théorie quantique ; Cerveau - Modèles mathématiques ; Logique matricielle ; Modèles mathématiques ; Electronic books ; Electronic books ; Denken ; Kognition ; Mathematisches Modell ; Logische Matrix ; Informationstheorie ; Quantentheorie
    Description / Table of Contents: Front Cover; Quantum Theoretic Machines: What is Thought from the Point of View of Physics; Copyright Page; CONTENTS; NOTATIONS; MATHEMATICAL ABSTRACT; PART 1: MATRIX PRINCIPLE; PART 2: THE BRAIN IS GEOMETRICAL, THE MIND IS TOPOLOGICAL; PART 3: THOUGHT TELLS THE BRAIN HOW TO SPIN, SPIN TELLS THE BRAIN HOW TO THINK; PART 4: COGNIZERS; PART 5: HOW MANY LOGICAL THEORIES?; APPENDIX; REFERENCES; GLOSSARY
    Type of Medium: Online Resource
    Pages: Online Ressource (xii, 588 p.)
    Edition: 1. ed.
    ISBN: 9780080540139 , 0080540139
    URL: https://doi.org/10.1016/B978-0-444-82618-3.X5047-5
    URL: http://www.sciencedirect.com/science/book/9780444826183
    URL: https://www.sciencedirect.com/science/book/9780444826183
    URL: http://www.loc.gov/catdir/enhancements/fy0611/2001274679-d.html
    URL: https://zbmath.org/?q=an:1072.81503
    URL: http://www.gbv.de/dms/bowker/toc/9780444826183.pdf
    DOI: 10.1016/B978-0-444-82618-3.X5047-5
    RVK:
    CP 4000
    Language: English
    Note: Includes bibliographical references (p. 581-585). - Description based on print version record
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  • 2
    Book
    Book
    Physik (2000)
    Heidelberg [u.a.] : Spektrum Akad. Verl.
    Details Availability
    Keywords: Physics ; Physik ; Lehrbuch ; Physik
    Type of Medium: Book
    Pages: XVIII, 1522 S , Ill., graph. Darst
    Edition: 3., korrigierter Nachdr. der 1. Aufl. 1994
    ISBN: 3860251228
    Series Statement: Spektrum Lehrbuch
    Uniform Title: Physics for scientists and engineers 〈dt.〉
    URL: https://external.dandelon.com/download/attachments/dandelon/ids/DE004578BB865191CF76EC125784B005C75B6.pdf
    RVK:
    UC 100
    Language: German
    Note: Erg. bildet: James S. Walker: Arbeitsbuch zu Tiplers Physik
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  • 3
    Online Resource
    Online Resource
    Three-dimensional radiation treatment : technological innovations and clinical results ; Symposium on 3-D Radiation Treatment : Technological Innovations and Clinical Results, Munich, March 1999 (2000)
    Basel : Karger
    Details Availability
    Keywords: Neoplasms radiotherapy ; Radiotherapy Dosage ; Congresses ; Oncology ; Physics ; Radiology ; Konferenzschrift
    Description / Table of Contents: Radiation therapy is in the process of continual change, fueled by advances in computer technology, but also aided by the contributions of several disciplines such as physics, mathematics, radiological diagnostics, neurosurgery, and mechanical and electrical engineering. Based on the 3D imaging techniques CT and MRI, a complete change from the 2D consideration of the radiotherapy problem has taken place, leading to 3D treatment planning and to completely new treatment delivery systems. A 3D approach allows for a dramatic rethinking of the following central therapy issues: positioning, targeting, and dose and risk calculation. Major advances have been made in recent years in conformal or stereotactic techniques, in dosimetry, the target volume concept as well as clinical studies. The advances are reflected in the papers collected here from the international symposium '3D Radiation Treatment: Technological Innovations and Clinical Results' held in Munich in March 1999. The reports present the newest technical developments and clinical applications. New conformal and stereotactic technologies are discussed. Clinical results are presented in the treatment of lung cancer, prostate cancer, and brain tumors. The role of growth factors and cytokines in the pathogenesis of radiation injury is examined as are mechanisms in the development of normal tissue damage and their significance for understanding tolerated radiation dose. Included are reports on endovascular brachytherapy and new tools of 3D brachytherapy.This timely book will be of particular interest to radiation oncologists and related clinical practitioners, biologists and physicists
    Type of Medium: Online Resource
    Pages: Online-Ressource (X, 192 S.)
    Edition: Online-Ausg. Karger eBooks Collection 1997-2009
    ISBN: 9783318004885
    Series Statement: Frontiers of radiation therapy and oncology 34
    URL: http://dx.doi.org/10.1159/isbn.978-3-318-00488-5
    URL: https://karger.com/books/book/2342
    URL: http://www.gbv.de/dms/bowker/toc/9783805569477.pdf
    DOI: 10.1159/isbn.978-3-318-00488-5
    Language: English
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  • 4
    Electronic Resource
    Electronic Resource
    Identification of High-Risk Breast Cancer Patients from Genetic Changes of Their Tumors (2000)
    Springer
    Surgery today 30 (2000), S. 516-522 
    Details
    ISSN: 1436-2813
    Keywords: Key Words: genetic changes ; prognostic factor ; breast cancer ; amplification ; loss of heterozygosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: ERBB2 , INT2, and MYC genes, in 131 patients with breast carcinoma, 49 of whom had lymph node involvement, but none of whom had distant metastases. Among the several chromosome arms tested, LOH at 17q was correlated with lymph node metastasis. Amplification of the ERBB2, MYC, and INT2 genes was found more frequently in tumors from patients with lymph node metastases than in tumors from those without lymph node metastases. Univariate analysis demonstrated that LOH at 17q and INT2 amplification were factors influencing disease-free survival (DFS). A multivariate analysis was performed on 89 tumors that were able to be evaluated for both LOH at 17q and INT2 amplification, and the results showed that patients who had tumors with these genetic changes were more likely to have a poor prognosis. The findings of this study suggest that investigating genetic changes, in addition to conventional clinicopathologic factors, may contribute to defining groups of breast cancer patients with differences in prognosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005950070118
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  • 5
    Electronic Resource
    Electronic Resource
    Primary node negative breast cancer in BRCA1 mutation carriers has a poor outcome (2000)
    Springer
    Annals of oncology 11 (2000), S. 307-313 
    Details
    ISSN: 1569-8041
    Keywords: BRCA1 ; breast cancer ; p53 ; survival
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:The association between BRCA1 germ-linemutations and breast cancer prognosis is controversial. A historical cohortstudy was designed to determine the prognosis for women with axillary lymphnode negative hereditary breast cancer. Patients and methods:We tested pathology blocks from 118Ashkenazi Jewish women with axillary lymph node negative breast cancer for thepresence of the two common BRCA1 founder mutations, 185delAG and5382insC. Patients were followed up for a median of 76 months. SomaticTP53mutations were screened for by immunohistochemistry, and directsequencing was performed in the BRCA1-positive tumours. Results:Sixteen breast cancer blocks (13.6%) carried aBRCA1 mutation. Young age of onset, high nuclear grade, negativeestrogen receptor status and over-expression of p53 were highly associatedwith BRCA1-positive status (P-values all 〈0.01).BRCA1 mutation carriers had a higher mortality than non-carriers(five-year overall survival, 50% and 89.6%, respectively,P = 0.0001). Young age of onset, estrogen receptor negative status,nuclear grade 3, and over-expression of p53 also predicted a poor outcome. Coxmultivariate analyses showed that only germ-line BRCA1 mutationstatus was an independent prognostic factor for overall survival (P= 0.01). Among nuclear grade 3 tumours, the BRCA1 mutation carrierstatus was a significant prognostic factor of death (risk ratio 5.8,95% confidence interval: 1.5–22, P = 0.009). Sequencingof BRCA1-related breast cancers revealed one TP53missensemutation not previously reported in breast cancer. Conclusions:Using a historical cohort approach, we haveidentified BRCA1 mutation status as an independent prognostic factorfor node negative breast cancer among the Ashkenazi Jewish women. Thosemanaging women carrying a BRCA1 mutation may need take these findingsinto consideration. Additionally, our preliminary results, taken together withthe work of others suggest a different carcinogenic pathway inBRCA1-related breast cancer, compared to non-hereditary cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008340723974
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  • 6
    Electronic Resource
    Electronic Resource
    The contribution of molecular markers to the prediction of response in the treatment of breast cancer: A review of the literature on HER-2, p53and BCL-2 (2000)
    Springer
    Annals of oncology 11 (2000), S. 647-663 
    Details
    ISSN: 1569-8041
    Keywords: BCL-2 ; breast cancer ; HER-2 ; p53 ; predictive factor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:The selection of therapies for breast cancer is todaybased on prognostic features (chemotherapy, radiotherapy), hormone receptorstatus (hormonal therapy) and HER-2 status (trastuzumab therapy). HER-2,p53and BCL-2are tumour-related proteins that have thepotential to further improve individualisation of patient management, bypredicting response to chemotherapy, hormonal therapy and radiotherapy. Materials and methods:This paper reviews the rationale for theuse of these proteins as predictive factors, as well as the publishedliterature addressing the use of each one to predict response to hormonaltherapy, chemotherapy and radiotherapy. Results:HER-2, p53and BCL-2remaininadequately assessed as predictive factors in breast cancer. HER-2 evaluationis required for the selection of patients for trastuzumab (Herceptin®)therapy, as trials of this therapy have been limited to HER-2 overexpressors.HER-2 overexpression may be predictive of resistance to hormonal therapy.Anthracyclines are effective therapy for breast cancer regardless of HER-2status, but patients whose tumours overexpress HER-2 appear to receive thegreatest relative benefit from this therapy. Studies of HER-2 as a predictorof response to CMF and to radiotherapy are inconclusive at this time. No datayet exist to support the use of p53or BCL-2as predictivefactors in the therapy of breast cancer. Conclusions:At this point in time, there is inadequate evidenceto support the use of HER-2, p53or BCL-2to guide theselection of hormonal therapy, chemotherapy or radiotherapy for breast cancer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008390429428
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  • 7
    Electronic Resource
    Electronic Resource
    Activity and toxicity of GI147211 in breast, colorectal and non-small-cell lung cancer patients: An EORTC–ECSG phase II clinical study (2000)
    Springer
    Annals of oncology 11 (2000), S. 793-797 
    Details
    ISSN: 1569-8041
    Keywords: breast cancer ; camptothecins ; colorectal cancer ; GI147211 ; non-small-cell lung cancer ; topoisomerase I
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:GI147211 is a water-soluble synthetic analogue ofcamptothecin showing promising in vivoand in vitroantitumor activity and an acceptable toxicity profile. Patients and methods:Between April 1995 and November 1996, 67eligible patients with pretreated breast cancer (25 patients) andchemo-naïve colorectal (19 patients) and non-small-cell lung cancer (23patients) were entered into three multicentric, non-randomized phase IItrials. Treatment schedule consisted of intravenous GI147211 administered ata dose of 1.2 mg/m2/day for five consecutive days every threeweeks. Results:Hematological toxicity was common with grade 3–4neutropenia in 54% of patients and neutropenic fever together or notassociated with infection in 14.5% of patients. Grade 3–4thrombocytopenia and grade 2–4 anemia were observed in 20% andin 68% of patients, respectively. Non-hematological toxicity wasgenerally mild to moderate and consisted mainly of gastrointestinal toxicity,asthenia and alopecia. A dose-escalation to 1.5 mg/m2/d wasfeasible in 17 (25%) patients. The antitumor activity of GI147211 wasmoderate in breast cancer patients (3 partial responses (PRs), response rate(RR) 13%) and minimal in non-small cell lung cancer patients (2 PRs,RR 9%). No objective responses were obtained in colorectal patients. Conclusions:GI147211, at the dose and schedule employed in thisstudy, showed an acceptable safety profile but a modest antitumor activity inthe examined tumor types.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008373031714
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  • 8
    Electronic Resource
    Electronic Resource
    An Analysis of Unicellular Mass Transfer Using a Microfabricated Experimental Technique (2000)
    Springer
    Biomedical microdevices 2 (2000), S. 305-316 
    Details
    ISSN: 1572-8781
    Keywords: membranes ; breast cancer ; oncology ; cell column regulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Abstract Using microfabrication technology, we have developed a new experimental apparatus and technique which allow isolation of individual cells and which facilitate the study of kinetic volume changes and membrane permeability. The key component of the apparatus is a microdiffusion chamber which was constructed using silicon microfabrication technology and standard photolithography. The central unit of the chamber is a 1 μ m thick silicon nitride membrane with a center hole on the order of 2–3 μ m in diameter. The device is novel in its analysis of a single cell, instead of the traditional array of cells, and its avoidance of the damage artifacts and computational difficulties which are inherent in other, commonly used methods of cellular analysis. The device is used in conjunction with a predictive computer model which simulates the response of the entire membrane or a portion of the membrane to various permeant and impermeant concentrations. This study introduces the apparatus and the model, and illustrates the effectiveness of the new procedure by determining several membrane permeability coefficients for HBL-100 (healthy human breast line). The empirical data and theoretical data were combined to yield a water permability (L p) of 1.1 ± 0.5μ m/(min-atm) (mean ± 1 standard deviation) (N= 5) during the uncoupled transport of water at 22 ±C. In the presence of 6 M glycerol, the water permeability (L p), permeability coefficient (P S), and the reflection coefficient (σS) were determined to be 2.0 ± 0.63 μ m/(min-atm), 2.7E-5 ± 6.1E-6 cm-sec-1, and 0.76 ± 0.5 (N = 6). No previous values of these coefficients could be found for HBL-100 cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009959323022
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  • 9
    Electronic Resource
    Electronic Resource
    Comparative study of clinical, pathological and biological characteristics of symptomatic versus asymptomatic breast cancers (2000)
    Springer
    Annals of oncology 11 (2000), S. 581-586 
    Details
    ISSN: 1569-8041
    Keywords: biological/pathological characteristics ; breast cancer ; prognosis ; progression ; symptomatic/asymptomatic patients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:It is well known that mammographic screening reducesbreast cancer mortality. One possible explanation for this effect is thatscreening makes it possible to detect smaller breast cancers with fewerinvolved nodes, but another hypothesis is that some screening-detected tumorsare in a pathologically and biologically different phase of evolution fromthose that are detected clinically. The aim of the present study was tocompare the biological, pathological and clinical characteristics ofsymptomatic vs. asymptomatic breast cancers. Patients and methods:The study considers a series of 1916consecutive patients who underwent surgery for stage I and II infiltratingbreast cancer at Verona hospitals after having undergone ultrasound andmammography (at least one of which was positive). They were divided into twogroups on the basis of why they decided to undergo the imaging examinations:group A refers to the 1247 patients with a palpable lump, and group B to the616 who were asymptomatic. Results:The patients in group A were older, and had larger tumorsand a higher percentage of positive nodes than those in group B; they also hadsignificantly higher grade tumors, higher Ki-67 levels, and a higherpercentage of ER and PgR negative and c-erbB-2 positive tumors (allof the P-values were significant). A logistic regression analysisadjusted for tumor diameter and age showed a reduction in the significance ofeach of the considered variables, but all of them remained significantlyassociated with the modality of diagnosis except ER, PgR andc-erbB-2. Conclusions:Our results suggest that asymptomatic tumors arebiologically different from their clinically presenting counterparts, thusconfirming the hypothesis that progression towards greater malignancy mayoccur during the natural history of breast cancer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008320317114
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  • 10
    Electronic Resource
    Electronic Resource
    Combined 4-hydroxy-ifosfamide and vinorelbine treatment in established and primary human breast cell cultures (2000)
    Springer
    Annals of oncology 11 (2000), S. 587-594 
    Details
    ISSN: 1569-8041
    Keywords: 4-OH-IF ; breast cancer ; drug combination ; human cell lines ; primary cultures ; VNB
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Vinorelbine and ifosfamide are active drugs againstbreast cancer, but the best treatment schedule has yet to be defined bypreclinical or clinical studies. The antitumor activity of4-hydroxy-ifosfamide (4-OH-IF), the active form of ifosfamide, and vinorelbine(VNB) and their interaction were investigated in two established breast cancercell lines (MCF-7 and BRC-230) and in 10 primary breast cancer cultures. Materials and methods:Cytotoxic activity was evaluated by ahighly efficient clonogenic assay (HECA). The median-effect principle wasapplied to evaluate synergistic and antagonistic interactions and thecorresponding combination index values were calculated. Cell cycleperturbations were analysed by flow cytometry. Results:In MCF-7 and BRC-230 cell lines the sequence VNB for 4hours followed by 4-OH-IF for 24 hours produced an antagonistic effect.Conversely, the inverse sequential scheme, 4-OH-IF → VNB providedsynergistic effects on both cell lines. The synergism was associated with astrong block in the G2-M phase. Synergistic activity of 4-OH-IF → VNBsequence was confirmed in 7 of 10 primary breast cancercultures. Conclusions:In conclusion, the sequence 4-OH-IF → VNBappeared to be the most effective scheme both in established cell lines andin primary breast cancer cultures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008340902093
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