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  • 1985-1989  (11)
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Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Assessment of trace metal intake and status in a Gujerati pregnant Asian population and their influence on the outcome of pregnancy (1988)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 95 (1988), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Dietary assessments and biochemical indices including plasma zinc and copper were determined in pregnant vegetarian and non-vegetarian Gujerati women in India at 28 weeks gestation, and the results were contrasted with those of a comparable group of Gujerati pregnant women living in Harrow. Even though the dietary intake of energy, protein and zinc was significantly lower in the Indian vegetarian Gujerati group when compared to the equivalent group in Harrow, the birthweights of the babies delivered at term were similar. The intake of zinc in the diet of the Gujerati Indian vegetarian and non-vegetarian groups was only one quarter of the US recommended intake during pregnancy and was approximately one half in the Harrow Indian groups. Even so, the plasma concentrations of zinc were similar in all dietary groups in either India or Harrow. The albumin content in the plasma of both the Gujerati Indian vegetarian and non-vegetarian was significantly reduced when compared to the equivalent Harrow dietary groups. The plasma concentrations of both calcium and sodium were significantly correlated with the albumin concentration but not with the plasma content of zinc. Copper levels were elevated to the normal range in both dietary groups of the Gujerati and were similar to the concentrations found in the Harrow groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1988.tb06529.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The relation between plasma urate and placental bed vascular adaptation to pregnancy (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Placental bed biopsies were obtained at caesarean section from 34 women. Their plasma urate was directly related to maximum mean arterial pressure and inversely to adjusted birthweight; but it was related most closely to the histological appearances of the spiral arteries in the placental bed. Nine women had physiological changes in the spiral arteries: their mean urate (233, SD 28·9 μmol/l) was significantly (P 〈0·00l) lower than the mean urate in those who did not have adequate physiological changes (339, SD 90·3 μmo1/l) or that in the nine women who had atherosis (397, SD 153·2 μmol/l). Raised plasma urate appears to be better related to maternal vascular pathology than to the clinical condition or infant birthweight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb08658.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The relation between plasma urate and placental bed vascular adaptation to pregnancy (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Placental bed biopsies were obtained at caesarean section from 34 women. Their plasma urate was directly related to maximum mean arterial pressure and inversely to adjusted birthweight; but it was related most closely to the histological appearances of the spiral arteries in the placental bed. Nine women had physiological changes in the spiral arteries: their mean urate (233, SD 28·9 μmol/l) was significantly (P 〈0·00l) lower than the mean urate in those who did not have adequate physiological changes (339, SD 90·3 μmo1/l) or that in the nine women who had atherosis (397, SD 153·2 μmol/l). Raised plasma urate appears to be better related to maternal vascular pathology than to the clinical condition or infant birthweight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07934.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The relation of birthweight to histological appearances in vessels of the placental bed (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Biopsy of the placental bed was attempted at caesarean section in 109 patients: 77 consecutive and 32 selected because of the maternal or fetal condition. Forty-seven (44%) of these biopsies were from the placental bed and contained spiral arteries suitable for comment. Histological examination separated the patients into four groups: comprising 11 whose vessels showed normal physiological changes, 20 who showed inadequate physiological change, 12 with acute atherosis, and four with a mixed pattern. There was no relation between these changes and maternal age, parity, race or smoking habit, but no physiological change and atherosis were more common in association with maternal hypertension. Mean adjusted birthweight was greatest in those with physiological changes, less in those without physiological changes or the mixed pattern, and least in those with atherosis. The four patients in the mixed group did not have any unifying clinical characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07933.x
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  • 5
    Electronic Resource
    Electronic Resource
    Implementation of differential phase contrast Lorentz microscopy on a conventional transmission electron microscope (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 6011-6013 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Differential phase contrast (DPC) Lorentz microscopy is a powerful technique for investigating magnetization distributions within magnetic thin films. Previously this imaging technique has only been used on microscopes with nonstandard electron optical configurations because of two conflicting requirements: (1) The electron beam must be focused to a very fine probe on the specimen to obtain a high spatial resolution. (2) The specimen cannot be in the magnetic field of the objective lens, as this would destroy the magnetic domain structures of interest. This paper will describe the implementation of the technique on a conventional microscope, a JEOL JEM 2000 FX fitted with an ASID 20 scanning attachment, which satisfies these two requirements. We have modified the controls for the lenses and deflection coils in the microscope to allow an electron probe of less than 40 nm to be formed using the three condenser lenses, with the objective lens off. A position sensitive quadrant detector, required for DPC imaging, is mounted on a sliding O-ring below the projector lens and can be moved in for DPC work or out for standard microscope operation. Attached to the microscope is a digital image acquisition system based on an IBM PC AT. This system is used to acquire signals from the four quadrants of the detector simultaneously. The signals are then mixed digitally to produce the DPC images and an incoherent bright-field image. These images can be further processed to produce vector maps of the in-plane magnetization distributions within the sample. The spatial resolution of 40 nm is less than that of the VG HB501 STEM vacuum generators (VG) HB501 scanning transmission electron microscope (STEM) previously used for DPC imaging. This is due to the larger emitting area of the LaB6 filament compared to the field emission gun of the VG. The LaB6 has a much lower brightness than the FEG and this necessitates long image acquisition times. DPC images and the corresponding vector map from a NiFe film will be shown to demonstrate the technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342134
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    The relation of birthweight to histological appearances in vessels of the placental bed (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Biopsy of the placental bed was attempted at caesarean section in 109 patients: 77 consecutive and 32 selected because of the maternal or fetal condition. Forty-seven (44%) of these biopsies were from the placental bed and contained spiral arteries suitable for comment. Histological examination separated the patients into four groups: comprising 11 whose vessels showed normal physiological changes, 20 who showed inadequate physiological change, 12 with acute atherosis, and four with a mixed pattern. There was no relation between these changes and maternal age, parity, race or smoking habit, but no physiological change and atherosis were more common in association with maternal hypertension. Mean adjusted birthweight was greatest in those with physiological changes, less in those without physiological changes or the mixed pattern, and least in those with atherosis. The four patients in the mixed group did not have any unifying clinical characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb08657.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Zinc and copper in Asian pregnancies–is there evidence for a nutritional deficiency? (1985)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 92 (1985), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. In 92 Hindu Asians, 59% of them vegetarian, and 51 Europeans longitudinal measurements were made during pregnancy of the zinc and copper concentrations in plasma and hair together with urinary zinc excretion, as indices of their zinc and copper status. Maternal diets were assessed once at booking. Zinc intakes ranged from 3·1 to 16·9 mg/day, with average intakes least in vegetarian Hindus and most in Europeans. Average copper intakes ranged between 1·48 and 1·80 mg/day and were similar in the three patient groups. Both ethnic groups showed the pregnancy-associated fall in the plasma concentration of zinc and rise in that of copper but throughout the study Hindus had statistically significant lower levels of zinc and higher levels of copper than Europeans. Urinary zinc excretion was not only significantly lower throughout the study in Hindus than in Europeans but the increase in excretion which occurred after 20 weeks gestation was smaller. There were no ethnic differences in the zinc content of hair. Urinary zinc excretion correlated with both plasma zinc levels and dietary zinc. Mean birth-weight in the Hindus was 2912 g and 34% of infants were below the 10th centile, using the Aberdeen standards, compared with 6% of the European babies (mean birthweight 3349 g). No association was found between crude or adjusted birthweight and any of the measures of zinc or copper status in either ethnic group. The Hindus had an apparently lower average zinc status than the Europeans, but there was no evidence that this had acted as a nutritional constraint and was the cause of their slower rate of intrauterine growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb03066.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Author's reply (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07915.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    The relation between vaginal pH and the microbiological status in vaginitis (1985)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 92 (1985), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. The vaginal pH, microbial flora and presence of clue cells were investigated in 89 women who were seen a t a sexually transmitted diseases clinic with a vaginal discharge or because they were contacts of men with gonococcal or non-gonococcal urethritis or because they were seeking a routine examination. None of the women had received antibiotics for at least 4 weeks before examination. A clinically normal vaginal secretion was found in 21 (55%) of 38 women who had a vaginal pH of 5.0–5.5. while such a secretion was found in only 7 (14%) of 51 women who had a pH value of 6·0–7·5. Clue cells, Chlatmydia trachomatis and Mycoplasrna hominis were found two to three times more often in women with the higher pH value than in those with the lower value and Ureaplasma urealyticum and Trichomonas vaginalis also occurred more frequently in the former group. Furthermore. large numbers of M. hominis organisms (〈inlineGraphic alt="geqslant R: gt-or-equal, slanted" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO1267:ges" location="ges.gif"/〉 106colour changing units/ml) were associated significantly with the higher pH value. However, there was no appreciable difference in the distribution of Candida albicans between the two groups. C. trachomatis but not the other micro-organisms was isolated most often from women who were taking oral contraceptives. The results indicate that a pH of 2.6.0 is strongly predictive of infection and may be more useful than the type of discharge in suggesting a need for confirmatory microbiological tests.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb04874.x
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  • 10
    Electronic Resource
    Electronic Resource
    Book review (1986)
    Springer
    Journal of inherited metabolic disease 9 (1986), S. 252-252 
    Details
    ISSN: 1573-2665
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01799656
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    Paper (German National Licenses)
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