... (LIFA), probably also on the binding characteristics, i.e. epitope specificity and affinity of the employed antibody. These facts underline the necessity to look for more accurate and specific assays. In this report we describe an accurate and simple radioimmunoassay (RIA) which allows the specific...

... plasma glucagon immunoreactivity measured by the OAL-123 radioimmunoassay (RIA) system showed persistently high values (3,090-3,210 pg/ml). A computed tomographic scan, abdominal angiography and endoscopic examination of his gastrointestinal tract showed no evidence of glucagonoma. After removing...

...Sanne Fisker; Hans Ørskov Growth hormone (GH) in human serum has been measured for more than 30 years and during this period it has been used diagnostically in growth disturbances and GH disorders. The first GH determinations were by radioimmunoassays using polyclonal antibodies. Due to the low...

...Didier Chevenne; Noëlle Beau; Juliane Léger; Dominique Porquet Serum human growth hormone (hGH) levels were measured with three different commercial kits, comprising a radioimmunoassay (RIA) (bioMérieux, Marcy-l’Etoile, France, ‘bmpoly’) and two immunoradiometric assays (IRMA) (bioMérieux, ‘bmmono...

... 260 GH-deficient children, have been compared using a common specific and sensitive procedure for antibody determination. For this purpose we developed two immunoassays: a competitive liquid radioimmunoassay using 125 I-rhGH, and an immunometric solid enzymoimmunoassay in which the rhGHs were...

...M. Bald; W. Rascher Arginine-vasopressin (AVP) was measured by radioimmunoassay in extracted and unextracted urine using two different antisera. The specificity of the assay was confirmed by high-performance liquid chromatography. By the use of a high specific antiserum, AVP can reliably...

...Werner F. Blum; Michael B. Ranke A specific radioimmunoassay for insulin-like growth factor-binding protein 3 (IGFBP-3), developed against its binding subunit (IGFBP-3β), was used to investigate its diagnostic potential for the evaluation of growth disorders. Various factors were found to influence...

...-DSIP was also detectable in nerve fibers in the posterior pituitary. By radioimmunoassay, IR-DSIP was quantified in plasma and tissue extracts after uni- or bilateral adrenalectomy. Significantly elevated plasma levels of IR-DSIP were measured 5 days after bilateral adrenalectomy (p < 0.001). IR...

.... The sensitivity of the assay with Results a-MSH concentrations in the MBH are shown in figure 1. The radioimmunoassayable a-MSH (RIA-MSH) content rose from 51 pg/pg at 22.00 h to 72 pg/pg at 02.00 h and then sharply to 177 pg/pg at 06.00 h. During the day the a-MSH concentration fell gradually to 54 pg/pg...

... to in the content or advertisements. Atrial natriuretic peptide Children Neonates Premature infants Radioimmunoassay Hormone Res. 28: 58-63 (1987) © 1987 S. Karger AG, Basel 0301-0163/87/0281-0058S2.75/0 Atrial Natriuretic Peptide in Infants and Children W. Rascher, M. Bald, J. Kreis, T. Tulassay, U...

... in the estimation of somatostatin contents of tissue extracts but measurements in blood are limited by the presence of other substances masking the biological response to somatostatin. Recently, radioimmunoassay procedures have been developed and their usefulness in experimental and clinical medicine is reviewed...

...Linda V. Oberkotter; Alfred Tenore There is little agreement among published reports of the radioimmunoassayable thyroid hormone content of breast milk, likely due to wide variations in methodology applied. In order to achieve a higher degree of specificity in the determination of T 3 and T 4...

...W. Sorgo; B. Manella; M. Zachmann A rapid specific radioimmunoassay for progesterone in mixed, unstimulated saliva is described. Column chromatography is not necessary. One single extraction with petroleum ether provides a fractional recovery of 75–95%. The assay sensitivity is 9 pg progesterone...

...J. Morvay; I. Altorjay; M. Sas In the presence of ethynodiol diacetate the ethynylestradiol concentration in serum and saliva after oral administration was measured by a rapid radioimmunoassay method developed by the authors. By means of the saliva/serum quotient, and from the concentration...

...J. Morvay; Gy. Apró; J. Török It was found by radioimmunoassay that the ethynyl estradiol concentration of the cervical mucus was 8.8 times higher than that of the serum in the first third of the cycle, 14 times higher in the second and 7.3 times higher in the third. The ethynyl estradiol content...

...F.J. del Cañizo-Gomez; F. Durán; V. Lahera; M.V. Cachofeiro; J.A.F. Tresguerres; F.J. Rodriguez; Oriol Bosch A sensitive and specific radioimmunoassay for measuring urinary kinins was developed. Antibodies against bradykinin were induced in rabbits by injecting bradykinin coupled to bovine albumin...

...Hansa Asawaroengchai The in vitro metabolism of purified (RP-1 standard) and secreted rat prolactin (PRL) was compared using the pigeon crop-sac bioassay and a radioimmunoassay (RIA). The secreted hormone was obtained by incubating rat adenohypophyses in medium 199. The two forms of PRL were...

... degree. 29 12 1976 26 10 1977 25 11 2008 Mouse hCG Testosterone Dihydrotestosterone Androstenedione 5α-Reductase Radioimmunoassay Hormone Res. 9: 169 -175 (1978) Effects of hCG on Serum Levels of Testosterone, Dihydrotestosterone and Androstenedione in Male Mice I.F. Lau...

...Kurt Reber; Rosemaria Liske By immunizing rabbits – tolerant against the bulk of normal human serum proteins – with highly purified non-suppressible insulin-like activity (NSILA-S), an anti-serum was obtained which made possible the development of a double-antibody radioimmunoassay. Its sensitivity...

... the actually functioning – nephrons give positive staining reactions within their tubular cells. Radioimmunoassayable NSILA-S was found in extracts of the pancreas (120–550 ng/g), of the submaxillary salivary gland (220–330 ng/g) and of the kidney (45 ng/g), whereas liver (and some other organs) contain...