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  • 1
    Electronic Resource
    Electronic Resource
    Phosphate release from fertilized soils and its effect on the changes of phosphate concentration in soil solution (1990)
    Springer
    Nutrient cycling in agroecosystems 23 (1990), S. 165-172 
    Details
    ISSN: 1573-0867
    Keywords: Phosphate release ; fertilized soils ; sorption ; desorption ; soil solution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The release of phosphate already present, and the sorption of further added phosphate, was studied in nineteen previously-fertilized Argentinean soils. The changes with time of the phosphate concentration in the soil solution were used as a measure of the reaction between soils and phosphate. Release of phosphate from the soils with time affected both the magnitude and the direction of the changes of the phosphate concentration in the solution. These changes differed between soils and, for a given soil, between levels of further added phosphate. The results suggest that, at high levels of further additions, the dominant effect of period of incubation is on the retention of phosphate and the concentration in solution decreased with time. At low levels of addition, the release of phosphate from the surface dominated and the concentration of phosphate in solution increased with time. Descriptive equation which considers simultaneously both sorption and release of phosphate from the soil was used. This equation is consistent with a mechanistic model of the adsorption-desorption process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01073432
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  • 2
    Electronic Resource
    Electronic Resource
    Long term production of SP1 by amniotic cells (1990)
    Springer
    Archives of gynecology and obstetrics 248 (1990), S. 55-60 
    Details
    ISSN: 1432-0711
    Keywords: Amnios ; SP1 ; Cell culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We verified the long term production of SP1 by amniotic cells. After 20 days of incubation, protein synthesis was inhibited by adding puromycin to the culture medium and stimulated by the addition of foetal calf serum to the culture media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02389575
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  • 3
    Electronic Resource
    Electronic Resource
    Radioimmuno-guided endoscopy (RIGE) in the detection of primary and recurrent rectal tumor (1992)
    Springer
    International journal of colorectal disease 7 (1992), S. 155-158 
    Details
    ISSN: 1432-1262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'utilité de l'endoscopie radioimmuno-guidée dans la détection des cancers primaires ou récidivants a été étudiée. Des 15 malades inclus dans notre étude, 4 suspects de cancer rectal primaire ont été examinés pré-opératoirement, tandis que les 11 restants fûrent étudiés après résection radicale d'un cancer rectal dans le but de déceler une récurrence. L'endoscopie radioimmuno-guidée fût faite en utilisant une sonde manuelle détectant les rayons gamma (mod. 2 Oris France) après l'administration d'un anticorps monoclonal à l'ACE marqué avec In 111. L'endoscopie radioimmuno-guidée a permis de détecter la présence de cancers primaires ou récidivants péri-rectaux dans 7 cas. Chez 4 patients ceci a permis de modifier le stage pré-opératoire basé sur les découvertes de l'investigation conventionnelle et a influencé la décision chirurgicale chez 4 malades. Il n'y eu pas de toxicité et aucun de nos patients n'a développé HAMAS.
    Notes: Abstract The usefulness of radioimmunoguided endoscopy in the detection of primary and recurrent rectal cancer was investigated. Of the 15 patients included in our study, 4 with suspected primary rectal cancer were examined preoperatively, while the remaining 11 were studied after radical resection of rectal carcinoma with the aim of detecting local recurrence. Radioimmunoguided endoscopy was performed employing a hand-held gamma-detecting probe (mod. 2 Oris, France), after the administration of a 111In labeled monoclonal antibody to CEA. Radioimmuno-guided endoscopy results detected the presence of primary or recurrent periluminal cancer in seven cases. In four it modified the preoperative stage based on the findings of conventional investigation and it influenced the surgical decision in five cases. No toxicity was noted and none of the patients developed HAMAs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00360357
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  • 4
    Electronic Resource
    Electronic Resource
    Lymph-node scintigraphy (1990)
    Springer
    European journal of nuclear medicine 16 (1990), S. 841-841 
    Details
    ISSN: 1619-7089
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00833022
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  • 5
    Electronic Resource
    Electronic Resource
    Scintigraphic imaging and turnover studies with iodine-131 labelled serum amyloid P component in systemic amyloidosis (1998)
    Springer
    European journal of nuclear medicine 25 (1998), S. 701-708 
    Details
    ISSN: 1619-7089
    Keywords: Key words: Serum Amyloid P Component ; Amyloidosis ; Iodine-131 ; Iododoxorubicin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Radiolabelled serum amyloid P component (SAP) is a specific tracer for amyloid. Iodine-123 has ideal physical characteristics for scintigraphy but is expensive and not widely available. Here we report serial imaging and turnover studies in which we labelled SAP with iodine-131, a cheap alternative isotope which would be expected to yield poorer images but permit more prolonged turnover measurements. Imaging and plasma clearance and whole body retention (WBR) of tracer were studied for up to 7 days in ten patients with proven systemic AL amyloidosis and two patients in whom the diagnosis was suspected, after i.v. administration of about 37 MBq of 131I-SAP. Normal blood pool images were obtained in the latter two subjects and amyloidosis was subsequently refuted histologically. WBR at 48 h was 〈60% and 6-h plasma activity was 〉65% of the injected dose (i.d.). Among the other ten patients, amyloid deposits were identified in the spleen in eight cases, liver in five and kidneys in four; other sites that gave positive results included bone, joints and soft tissues, and the myocardium in one case. Up to 95% of the tracer localised into amyloid within 6-h, and the values for WBR became progressively more discriminating during the study period, exceeding the normal reference value (〈25%) in all cases by day 7. The optimal imaging time was found to be between 24 and 48 h. The duration of the study enabled us to measure the tracer elimination half-life which was increased in all cases by up to tenfold. Follow-up studies performed after 2–24 months in four patients who were treated with iododoxorubicin showed regression of amyloid in one patient and a small increase in one case; in the other two patients the imaging and turnover studies were identical to baseline. Despite its unfavourable imaging characteristics, 131I-SAP produced diagnostic scans in every patient in this series and, coupled with the detailed turnover information, is adequate for monitoring disease progress.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002590050272
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  • 6
    Electronic Resource
    Electronic Resource
    Quantitative lymphoscintigraphy (1988)
    Springer
    European journal of nuclear medicine 14 (1988), S. 88-92 
    Details
    ISSN: 1619-7089
    Keywords: Lymphoscintigraphy ; 99mTc-sulphur microcolloid ; Limb oedema
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A radioisotopic method was used to evaluate the state and dynamics of the lymphatic system in 92 patients affected by chronic oedema of the limbs and in 12 control subjects. After interstitial injections of 99mTc-sulphur microcolloid, scans were obtained using a LFOV camera linked to a data processor. The quantitative indices of clearance and lymph node uptake obtained showed good correlation with lymphoedema etiology, controls and ostensibly healthy limbs of patients affected by monolateral disease. In conclusion, quantitative lymphoscintigraphy appears to be a feasible indicator of early changes in the lymph pathophysiology and supports the hypothesis that lymphoedema generally arises from a predisposing congenital pathology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00253447
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