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  • Analytical Chemistry and Spectroscopy  (5)
  • Nuclear Reactions  (4)
  • cholesterol  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    Two-quasiparticle and rotation-aligned structures in ^1^9^0Pt, ^1^9^2Pt and ^1^9^4Pt
    Amsterdam : Elsevier
    Nuclear Physics, Section A 262 (1976), S. 328-355 
    Details
    ISSN: 0375-9474
    Schlagwort(e): Nuclear Reactions
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(76)90625-4
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  • 2
    Digitale Medien
    Digitale Medien
    Spectroscopy of ^1^2^3La and configuration dependent proton pairing
    Amsterdam : Elsevier
    Nuclear Physics, Section A 503 (1989), S. 244-262 
    Details
    ISSN: 0375-9474
    Schlagwort(e): Nuclear Reactions
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(89)90263-7
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  • 3
    Digitale Medien
    Digitale Medien
    High-spin states in ^1^8^3Pt
    Amsterdam : Elsevier
    Nuclear Physics, Section A 511 (1990), S. 92-116 
    Details
    ISSN: 0375-9474
    Schlagwort(e): Nuclear Reactions
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(90)90028-K
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  • 4
    Digitale Medien
    Digitale Medien
    Three-quasiparticle excitations in ^7^9Kr
    Amsterdam : Elsevier
    Nuclear Physics, Section A 509 (1990), S. 550-586 
    Details
    ISSN: 0375-9474
    Schlagwort(e): Nuclear Reactions
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(90)90091-Y
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  • 5
    Digitale Medien
    Digitale Medien
    Alterations in apolipoprotein B-48 in the postprandial state in NIDDM (1994)
    Springer
    Diabetologia 37 (1994), S. 1259-1264 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Apolipoprotein B-48 ; triglyceride-rich lipoproteins ; NIDDM ; cholesterol ; triglyceride
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The intestine is a major site of cholesterol synthesis and produces apolipoprotein B-48, which is critical for intestinal cholesterol absorption and secretion. The purpose of this study was to examine postprandial changes in apolipoprotein B-48 in diabetes. Six non-insulin-dependent diabetic patients and six non-diabetic control subjects were given a high-fat meal (1300 kcal) and blood samples were taken pre- and postprandially, from which the triglyceride-rich lipoprotein fraction was isolated by ultracentrifugation (density〈1.006 g/ml). Apolipoprotein B-48 was separated on 4–15% gradient gels and quantified as a percentage of the fasting concentration by densitometric scanning. Total protein, triglyceride and cholesterol in the triglyceride-rich lipoprotein fraction, blood glucose, and serum insulin were also measured. Diabetic patients exhibited a postprandial triglyceride-rich apolipoprotein B-48 profile significantly different from that of control subjects (p〈0.05). The triglyceride and total protein concentration in the triglyceride-rich lipoprotein fraction mirrored the post-prandial profile and apolipoprotein B-48 in both groups. Significantly different patterns for triglyceride (p〈0.02) and total protein (p〈0.05) following the fat-rich meal were observed in the two groups. Fasting and postprandial triglyceride-rich lipoprotein cholesterol and total apolipoprotein B were significantly higher in diabetic patients than in control subjects (p〈0.05). Since apolipoprotein B-48 is the structural protein of intestinally-derived lipoprotein particles, these studies suggest an abnormality in intestinal lipoprotein metabolism in diabetes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00399800
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  • 6
    Digitale Medien
    Digitale Medien
    Alterations in apolipoprotein B-48 in the postprandial state in NIDDM (1994)
    Springer
    Diabetologia 37 (1994), S. 1259-1264 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Key words Apolipoprotein B-48 ; triglyceride-rich lipoproteins ; NIDDM ; cholesterol ; triglyceride.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The intestine is a major site of cholesterol synthesis and produces apolipoprotein B-48, which is critical for intestinal cholesterol absorption and secretion. The purpose of this study was to examine postprandial changes in apolipoprotein B-48 in diabetes. Six non-insulin-dependent diabetic patients and six non-diabetic control subjects were given a high-fat meal (1300 kcal) and blood samples were taken pre- and postprandially, from which the triglyceride-rich lipoprotein fraction was isolated by ultracentrifugation (density 〈 1.006 g/ml). Apolipoprotein B-48 was separated on 4–15 % gradient gels and quantified as a percentage of the fasting concentration by densitometric scanning. Total protein, triglyceride and cholesterol in the triglyceride-rich lipoprotein fraction, blood glucose, and serum insulin were also measured. Diabetic patients exhibited a postprandial triglyceride-rich apolipoprotein B-48 profile significantly different from that of control subjects (p 〈 0.05). The triglyceride and total protein concentration in the triglyceride-rich lipoprotein fraction mirrored the post-prandial profile and apolipoprotein B-48 in both groups. Significantly different patterns for triglyceride (p 〈 0.02) and total protein (p 〈 0.05) following the fat-rich meal were observed in the two groups. Fasting and postprandial triglyceride-rich lipoprotein cholesterol and total apolipoprotein B were significantly higher in diabetic patients than in control subjects (p 〈 0.05). Since apolipoprotein B-48 is the structural protein of intestinally-derived lipoprotein particles, these studies suggest an abnormality in intestinal lipoprotein metabolism in diabetes. [Diabetologia (1994) 37: 1259–1264]
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00399800
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  • 7
    Digitale Medien
    Digitale Medien
    Cellular cholesterol regulation — A defect in the Type 2 (non-insulin-dependent) diabetic patient in poor metabolic control (1990)
    Springer
    Diabetologia 33 (1990), S. 93-99 
    Details
    ISSN: 1432-0428
    Schlagwort(e): Type 2 (non-insulin-dependent) diabetes mellitus ; LDL ; cholesterol ; esterification ; glycosylation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary This study investigates the relationship between Type 2 (non-insulin-dependent) diabetes mellitus and hypercholesterolaemia with regard to delivery of cholesterol to cells and regulation of endogenous cholesterol synthesis. The ability of LDL, from hypercholesterolaemic and Type 2 diabetic patients, to suppress cellular cholesterologenesis and to enhance mitogen-stimulated lymphocyte proliferation was compared. Cholesterol synthesis was estimated by measuring [14C]-acetate incorporation into cholesterol and lymphocyte proliferation was assessed by [3H]-thymidine incorporation into mitogen-stimulated normal lymphocytes. The results indicate that LDL from both Type 2 diabetic patients in poor metabolic control and hypercholesterolaemic patients was significantly less effective (p 〈 0.001) than LDL from non-diabetic normocholesterolaemic subjects in suppressing cholesterol synthesis in lymphocytes. LDL from all hypercholesterolaemic patients enhanced lymphocyte proliferation to a greater extent than LDL from normocholesterolaemic subjects and this effect was significantly increased using LDL from Type 2 diabetic, hypercholesterolaemic patients. Both suppression of [14C]-acetate incorporation and enhancement of [3H]-thymidine uptake could be related to an increased esterified/free cholesterol ratio in the LDL particle. The fact that cholesterol synthesis and cell proliferation were markedly altered by the above changes in LDL composition suggests a mechanism for cellular cholesterol accumulation in the Type 2 diabetic patient, even in the absence of elevated serum cholesterol levels.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00401046
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  • 8
    Digitale Medien
    Digitale Medien
    Raman spectroscopic determination of the dissociation constants of an acetonitrile-zinc complex in aqueous solution and the enthalpy and entropy of complex dissociation (1991)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 22 (1991), S. 651-656 
    Details
    ISSN: 0377-0486
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: The dissociation constants for an acetonitrile-zinc complex, (CH3CN)Zn2+, were measured in aqueous solutions containing zinc salts (40-80%, w/w) and acetonitrile by Raman spectroscopy. Quantitative measurements of the intensity of the free and complexed ν(CN) Raman bands at 2264 and 2320 cm-1, respectively, were used to determine the average enthalpy and entropy of the complex dissociation to free acetonitrile in the temperature range 293-343 K for a 70% (w/w) solution of zinc chloride (0.052 mol) in an aqueous solution containing acetonitrile (0.024 mol); δH° and δS° values of 8.4 ± 0.5 kJ mol-1, respectively, were determined.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jrs.1250221110
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  • 9
    Digitale Medien
    Digitale Medien
    Fourier transform Raman spectroscopic study of hydrogen bonding in 2,5-dimercapto-1,3,4-thiadiazole using an environmental chamberThis paper is dedicated to Professor D. A. Long on the occasion of his 70th birthday. (1995)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 26 (1995), S. 617-622 
    Details
    ISSN: 0377-0486
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: The bands at 2485 and 940 cm-1 observed in the Raman spectra of 2,5-dimercapto-1,3,4-thiadiazole represent the hydrogen-bonded ν(SH) stretching and δ(C-SH) in-plane bending modes, respectively. A quantitative study of the hydrogen bonding was carried out using intensity measurements of the bands assigned to the hydrogen-bonded and the free δ(C-SH) in-plane deformations at 940 and 919 cm-1, respectively, as a function of temperature. The Fourier transform (FT) Raman spectra were recorded over the temperature range 303-403 K using an environmental chamber fitted into the FT Raman sample compartment. The equilibrium constants between the free and the hydrogen-bonded molecules were determined over this temperature range and the average enthalpy for hydrogen-bond formation was obtained (ΔH° = -3.35 ± 0.2 kJ mol-1).
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jrs.1250260806
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  • 10
    Digitale Medien
    Digitale Medien
    Applications of Raman spectroscopy to the study of polymers and polymerization processes (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 24 (1993), S. 475-483 
    Details
    ISSN: 0377-0486
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: The application of Raman spectroscopy to polymers and polymerization processes is surveyed and the advent of recent advances in instrumental techniques to polymer analysis is highlighted. Some of the problems of the more widely-used infrared spectroscopic methods, for example in microstructural analysis of polydienes and copolymers, are discussed and the advantages of the Raman spectroscopic technique are explained. The use of near-infrared excitation and Fourier-transform Raman instrumentation for process monitoring and polymer composite studies is discussed. Raman microscopic and waveguide spectroscopic studies of small samples and polymer coatings on substrates are considered. Other applications are mentioned in the areas of polymer orientation, surface-enhanced Raman scattering, conducting polymers, biopolymers and time-resolved studies.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jrs.1250240803
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