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  • 1
    Electronic Resource
    Electronic Resource
    Crystallographic study of dicarbonylpentamethylcyclopentadienylchromium dimer, a complex with a chromium-chromium triple bond (1974)
    s.l. : American Chemical Society
    Inorganic chemistry 13 (1974), S. 2540-2544 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50141a003
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  • 2
    Electronic Resource
    Electronic Resource
    Leakage mechanism for tungsten/chromium metallized silicon p/n junctions (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 2429-2431 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The thermal stability of tungsten/chromium metallized silicon p/n junctions has been studied using several analytical techniques. A direct correlation has thus been established between junction leakage and structure. The main cause of leakage current observed after annealing at above 400 °C was found to be the generation of film-edge-induced dislocations associated with chromium disilicide formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101098
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  • 3
    Electronic Resource
    Electronic Resource
    The disappearance of fetal and donor red blood cells in alloimmunised pregnancies: a reappraisal (1997)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 104 (1997), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To determine the proportional reduction per day in the number of fetal and donor red blood cells from the fetal circulation after intrauterine intravascular transfusions.Design A retrospective study of 302 transfusions in 101 fetuses.Setting The Department of Obstetrics and Gynaecology of the University Medical Centre Leiden, The Netherlands.Methods We measured the haematocrit in fetal samples both before and after repeated intravascular intrauterine transfusion in fetuses with alloimmune disease. The percentage of fetal erythrocytes was determined in Kleihauer-Betke stained smears. The decline of fetal, donor and mixed red blood cells was calculated by dividing the proportional decrease of the haematocrit values by the number of days between transfusions, also after correction for changes in fetoplacental volumes. Results (given as mean [SD]) are derived from the proportional changes of haematocrit per day.Results The interval between the first and second transfusion (15.5 days [SD 5.2]) was shorter than between subsequent transfusions (means ranging from 21.4 to 21.9 days; P〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO818:les" location="les.gif"/〉 0.0001). The decline per day of mixed, and of donor red blood cells, calculated without corrections for volume changes did not differ from those corrected for volume changes resulting from the transfusion and from fetal growth (correction factor 1.1 [SD 0.4]). Since the coefficient of variance is smaller for the uncorrected decline values, this type of calculation is preferable for clinical purposes. The disappearance of fetal erythrocytes after the first transfusion (6.1 %/day [SD 2.9]) was faster than that of mixed fetal and donor red blood cells (3.2%/day [SD 1.2]; P 〈 0.0001) and of donor cells alone (1-4%/day [SD 1.6]; P 〈 0.0001). The decline of the mixed red blood cell population became the same as that of the donor cells (2.2%/day [SD 0.8]) after the second transfusion. This decline of donor cells was higher than after the first transfusion (1.4%/day [SD 1.6]; P 〈 0.05). After the first transfusion the fetal erythrocytes disappeared faster after transplacental puncture of the umbilical cord (6.6%/day [SD 2.8]) than after transamniotic punctures (5.4%/day [SD 2.7]; P= 0.05). The mixed red blood cell also decreased faster (3.5%/day [SD 1.3] versus 2.8%/day [SD 0.9]; P 〈 0.01).Conclusion The fast disappearance of fetal erythrocytes, especially after transplacental punctures, shows that the interval between the first and second transfusion needs to be shorter than that for intervals between subsequent transfusions. The number of donor erythrocytes declines by approximately 2% per day.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1997.tb12026.x
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  • 4
    Electronic Resource
    Electronic Resource
    Prenatal Diagnosis of Homozygous αº-Thalassemia by an Immunological Method (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 731 (1994), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1994.tb55769.x
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  • 5
    Electronic Resource
    Electronic Resource
    Si MAGFETs optimized for sensitivity and noise properties
    Amsterdam : Elsevier
    Sensors and Actuators A: Physical 32 (1992), S. 656-660 
    Details
    ISSN: 0924-4247
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0924-4247(92)80059-C
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  • 6
    Electronic Resource
    Electronic Resource
    Comparison of Si and GaAs integrated magnetotransistors
    Amsterdam : Elsevier
    Sensors and Actuators A: Physical 33 (1992), S. 57-61 
    Details
    ISSN: 0924-4247
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0924-4247(92)80226-S
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  • 7
    Electronic Resource
    Electronic Resource
    Illis qui in congressu Eurosensors V intersunt salutem nuntiat
    Amsterdam : Elsevier
    Sensors and Actuators B: Chemical 6 (1992), S. xii 
    Details
    ISSN: 0925-4005
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0925-4005(92)80016-Q
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  • 8
    Electronic Resource
    Electronic Resource
    Vaginography—Investigation of choice for clinically suspected vaginal fistulas (1996)
    Springer
    Diseases of the colon & rectum 39 (1996), S. 568-572 
    Details
    ISSN: 1530-0358
    Keywords: Vagina ; Fistulas ; Diagnosis ; Vaginography ; Sensitivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: Vaginal fistulas are rare but can cause extremely distressing symptoms for patients and prove difficult to define anatomically. Barium studies have been reported as having a maximum sensitivity of only 34 percent for detection of vaginal fistulas. Vaginography is an alternative method for diagnosis and evaluation of suspected vaginal fistulas, which has been reported to have a sensitivity of 100 percent. We reviewed our total experience of vaginography to fully assess its capabilities. METHODS: Twenty-seven patients with clinically suspected vaginal fistulas were investigated with vaginography during a six-year period. Results of vaginograms were compared with final operative or clinical diagnosis and with results of other radiologic investigations. RESULTS: Vaginography successfully identified 19 of 24 fistulas, giving a sensitivity of 79 percent. In our series, barium enema was only able to identify 9 percent of fistulas arising from the colon. CONCLUSIONS: In this, the largest series of vaginograms, apparent reduction in sensitivity from the 100 percent quoted in earlier series to 79 percent probably represents a more accurate assessment of vaginography as a diagnostic investigation. Even allowing for this reduction, vaginography is still the most sensitive, economic, and informative investigation for identification and delineation of vaginal fistulas. We recommend that vaginography be the initial investigation of choice in patients with clinically suspected vaginal fistulas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02058713
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  • 9
    Electronic Resource
    Electronic Resource
    Future directions for agricultural phosphorus research (1995)
    Springer
    Nutrient cycling in agroecosystems 41 (1995), S. 167-178 
    Details
    ISSN: 1573-0867
    Keywords: phosphorus ; workshop ; environment ; review
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A workshop was held in 1990 in Muscle Shoals, Alabama to discuss current and future research on phosphorus in agriculture. Twenty four presentations were given in areas ranging from basic to applied research. For five of the research areas presented at the workshop, this paper presents a literature review, a review of presentations at the workshop, and a discussion of future research ideas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00748306
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  • 10
    Electronic Resource
    Electronic Resource
    Hb Malmö [β-97(FG-4)His→Gln] leading to polycythemia in a Dutch family (1996)
    Springer
    Annals of hematology 73 (1996), S. 183-188 
    Details
    ISSN: 1432-0584
    Keywords: Key words Hb Malmö ; Hemoglobinopathies ; Abnormal hemoglobin ; Polycythemia ; Oxygen affinity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  We have examined six individuals from a two-generation Dutch family for a suspected hemoglobin (Hb) abnormality. The propositus presented with polycythemia and complained of persistent weakness, headache, and epistaxis. All family members initially showed a normal Hb-electrophoretic pattern, but on isoelectric focusing, three of them displayed a fast-moving band associated with high packed red cell volumes (PCV) and increased red blood cell count. The Hb mutant was analyzed at the DNA level by specific gene fragment amplification (PCR), followed by direct DNA sequencing, and the mutation was confirmed by restriction enzyme analysis. We found a C→G transversion (CAC→CAG) at codon 97 of the β-chain, which corresponded to the His→Gln amino acid substitution previously described as Hb Malmö. We report here the clinical history of the patient, the effects of phlebotomy treatment, and the effect of subnormal iron conditions on the erythropoietic recovery after phlebotomy. The mechanism responsible for the induction of the higher oxygen affinity is discussed, as are some aspects concerning the occurrence, pathology, treatment, and the genetic risk of Hb variants with high O2 affinity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002770050225
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