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  • Electronic Resource  (4)
  • Other interactions of matter with particles and radiation  (2)
  • Type 2 (insulin independent) diabetic women  (1)
  • Type 2 (non-insulin-dependent) diabetes mellitus  (1)
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  • Electronic Resource  (4)
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  • 1
    ISSN: 1432-0428
    Keywords: Type 2 (insulin independent) diabetic women ; low fat diets ; diabetic control ; cardiovascular risk factors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Type 2 (insulin independent) diabetic women were randomly allocated to receive advice for low fat diets or low carbohydrate diets. By 24 h weighed dietary intakes before and after a mean interval of six months, patients in the low fat group had reduced their fat intake from 41% to 31% of total energy, while carbohydrate percentage of total energy intake increased from 38% to 46%. Percentage energy intake from fat and carbohydrate in the control group remained unchanged. Body weight fell in both groups, especially for patients in the low fat group who were obese (weight/height2 ⩾ 28 kg/m2). Mean plasma glucose, HbA1, and triglycerides were unchanged. Mean plasma total cholesterol fell significantly in the low fat group compared with the controls (p 〈 0.001), but there was no significant difference in the small reduction of high density lipoprotein cholesterol observed in both groups. Thus, adherence to low fat diets occurred without deterioration of diabetes and with benefit for weight and total cholesterol.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0428
    Keywords: Glucose dependent insulinotropic polypeptide ; Type 2 (non-insulin-dependent) diabetes mellitus ; normal subjects ; glucose ; insulin ; C-peptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Considerable disagreement exists regarding the levels of immunoreactive glucose dependent insulinotropic polypeptide in patients with Type 2 (non-insulin-dependent) diabetes mellitus. Glucose dependent insulinotropic polypeptide levels were therefore studied during oral glucose and mixed meal tolerance tests in normal subjects (n=31) and newly presenting previously untreated patients with Type 2 diabetes mellitus (n=68). The tests were performed in random order after overnight fasts and blood samples were taken at 30 min intervals for 4 h. During the oral glucose tolerance test plasma glucose dependent insulinotropic polypeptide levels increased in the normal subjects from a fasting value of 20±3 pmol/l to a peak of 68±5 pmol/l at 30 min and in the Type 2 diabetic patients from a similar fasting level of 27±3 pmol/l to a higher peak value of 104±6 pmol/l at 30 min (p〈0.001). Glucose dependent insulinotropic polypeptide levels were significantly higher in the diabetic patients compared with the normal subjects from 30–90 min (p〈0.01–0.001) following oral glucose. During the meal tolerance test glucose dependent insulinotropic polypeptide levels increased in the normal subjects from a pre-prandial value of 22±4 pmol/l to a peak of 93±6 pmol/l at 90 min and in the Type 2 diabetic patients from a similar basal level of 25±2 pmol/l to a higher peak of 133±7 pmol/l at 60 min. Glucose dependent insulinotropic polypeptide concentrations were significantly higher in Type 2 diabetic patients compared with the normal subjects at 30 min (p〈0.001), 60 min (p〈0.01) and from 210–240 min (p〈0.05) during the meal tolerance test. The groups were subdivided on the basis of degree of obesity and glucose dependent insulinotropic polypeptide concentrations were still higher in the diabetic subgroups compared with the normal subjects matched for weight. Type 2 diabetes mellitus is associated with an exaggerated glucose dependent insulinotropic polypeptide response to oral glucose and mixed meals which is independent of any effect of obesity.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 3 (1984), S. 803-815 
    ISSN: 0392-6737
    Keywords: X-ray determination of structures ; Other interactions of matter with particles and radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto È dimostrato che la spettroscopia ad assorbimento di raggi X a struttura fine (EXAFS) è il mezzo di ricerca piú utile delle correlazioni interatomiche a corto raggio in una grande varietà di materiali. La teoria dell'EXAFS è presentata nella sua forma piú semplice per fornire la base per una discussione riguardo al tipo e alla qualità dell'informazione che può essere estratta dai dati EXAFS. Si esamina l'adeguatezza di molte delle approssimazioni comunemente incorporate in questa teoria con enfasi su quelle parti della teoria che sono piú direttamente in relazione con l'analisi dei dati EXAFS.
    Abstract: Резюме Показывается, что спектроскопия EXAFS представляет наиболее удобный зонд для исследования короткодействующих междуатомных корреляций в широком классе материалов. Предлагается простейшая форма теории EXAFS, которая дает основу для обсуждения вида и качества структурной информации, получаемой из EXAFS данных. Исследуется адекватность некоторых приближений, обычно используемых в этой теории. Особое внимание уделяется тем аспектам теории, которые имеют прямое отношение к анализу EXAFS данных.
    Notes: Summary Extended X-ray absorption fine-structure (EXAFS) spectroscopy has been demonstrated to be a most useful probe of short-range interatomic correlations in a wide variety of materials. The theory of the EXAFS is presented in its simplest form so as to provide the basis for a discussion about the kind and quality of the structural information which can be extracted from EXAFS data. The adequacy of several of the approximations commonly incorporated in this theory is examined with emphasis on those areas of the theory which bear most directly on the analysis of EXAFS data.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 3 (1984), S. 816-824 
    ISSN: 0392-6737
    Keywords: X-ray determination of structures ; Other interactions of matter with particles and radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Le procedure richieste nell'analisi dei dati dell'assorbimento esteso dei raggi X a struttura fine (EXAFS) nello spazior sono esaminati nei dettagli, con riferimento ad operazioni confrontabili nello spaziok dove appropriate. Poiché ogni operazione in uno spazio ha il suo esatto equivalente nell'altro, la scelta tra spazior ek si rivela di una convenienza relative nelle particolari circostanze di ogni applicazione. Siidentificano alcune difficoltà potenziali.
    Abstract: Резюме Подробно исследуются методы анализа EXAFS данных вr пространстве. Проводится сравнение с соответствующими операциями вk пространстве. Так как каждая операция в одном пространстве имеет эквивалент в другом пространстве, то выбор междуr иk пространствами определяется критериями удобства. Обсуждаются потенциальные трудности.
    Notes: Summary The procedures required in the analysis of extended X-ray absorption fine-structure (EXAFS) data inr space are examined in some detail with reference to comparable operations ink space where appropriate. Since each operation in one space has its exact equivalent in the other, the choice betweenr andk space turns on relative convenience in the particular circumstances of each application. Some potential difficulties are identified.
    Type of Medium: Electronic Resource
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