Immunoturbidimetric measurement of serum retinol-binding protein in renal and hepatic disease.

abstract：:A simple procedure is described for the preparation of a stable precision quality control material for use in the measurement of level of ionised calcium in serum at or near the reference range. Repeat analyses on a Nova 2 ionised calcium analyser of serum pools stored at different temperatures over a period of three ...

journal_title：Annals of clinical biochemistry

authors： Fyffe JA,Jenkins AS,Bolland CJ,Dryburgh FJ,Gardner MD

更新日期：1981-03-01 00:00:00

abstract：:A study of conditions for the elution of apo A1 and B lipoproteins from dried blood spots has led to the development of an apo B/A1 ratio assay with results for dried blood spots which are comparable with serum assays. This assay has been developed to be suitable for large scale population screening. The concept of me...

journal_title：Annals of clinical biochemistry

authors： Hirst AD,Beswick K

更新日期：1993-09-01 00:00:00

abstract：:The most widely used methods for the assay of total bilirubin in serum are based on a coupling reaction with various diazo dyes in the presence of an accelerating agent. The 'direct' reaction, without accelerator, gives a good estimate of the conjugated and protein bound (delta) species of bilirubin only if carefully ...

journal_title：Annals of clinical biochemistry

authors： Westwood A

更新日期：1991-03-01 00:00:00

abstract：:Homocysteine, a sulphur amino acid, is a branch-point intermediate of methionine metabolism. It can be degraded in the transsulphuration pathway to cystathionine, or remethylated to methionine via the remethylation pathway. In both pathways, major genetic defects that cause enzyme deficiencies are associated with very...

journal_title：Annals of clinical biochemistry

authors： Lievers KJ,Kluijtmans LA,Blom HJ

更新日期：2003-01-01 00:00:00

abstract：:The two stages of a two-site immunoradiometric assay were investigated separately. In the first stage, the amount of ferritin bound to coated tubes initially showed a rapid increase with increasing concentration of added ferritin. This was followed by a plateau and then a further increase which appeared to be largely ...

journal_title：Annals of clinical biochemistry

authors： Perera P,Worwood M

更新日期：1984-09-01 00:00:00

abstract：:Smoking is a major risk factor for periodontal disease, causing bone and tooth loss. Effective management of many oral conditions requires accurate information about smoking. We describe a disposable, 10-min, near-patient saliva test to monitor cigarette smoking. A plastic device contains the dried reagents to measure...

journal_title：Annals of clinical biochemistry

authors： Cope G,Nayyar P,Holder R,Brock G,Chapple I

更新日期：2000-09-01 00:00:00

abstract：:Seventeen laboratories in the British Isles participated in a study to compare six different commercially available immunoassays for serum lipoprotein(a) (Lp(a)) and to establish reasons for the variations in the measurement of serum Lp(a) concentrations. Pooled serum was distributed neat and after dilution at a centr...

journal_title：Annals of clinical biochemistry

authors： Mackness MI,Bhatnagar D,Weiringa G,MBewu A,Haynes B,Durrington PN

更新日期：1996-01-01 00:00:00

abstract：:A high-pressure liquid chromatography procedure for the measurement of free catecholamines in urine is described. 'On-line' sample preparation using a cartesian robot combined with the ASTED process ensures minimal operator intervention and reduced costs. ...

journal_title：Annals of clinical biochemistry

authors： Green B,Cooper JD,Turnell DC

更新日期：1989-07-01 00:00:00

abstract：:Mitochondrial acetoacetyl-CoA thiolase deficiency (or beta-ketothiolase deficiency) is a rare metabolic disorder characterized by acute episodes of severe acidosis and ketosis. A case is presented of an 18-month-old boy who presented with vomiting and diarrhoea and was found to be markedly acidotic. When the acidosis ...

journal_title：Annals of clinical biochemistry

authors： Tilbrook LK,Slater J,Agarwal A,Cyriac J

更新日期：2008-09-01 00:00:00

abstract：BACKGROUND:Neuroendocrine tumours are slow growing tumours known to secrete a variety of vasoactive peptides which give rise to symptoms of the carcinoid syndrome. The diagnosis and monitoring of patients with neuroendocrine tumours is undertaken in many centres using 24 h urinary measurement of 5-hydroxyindoleacetic a...

journal_title：Annals of clinical biochemistry

authors： Adaway JE,Dobson R,Walsh J,Cuthbertson DJ,Monaghan PJ,Trainer PJ,Valle JW,Keevil BG

更新日期：2016-09-01 00:00:00

abstract：:A group of international experts prepared two lists of drugs with their serum/plasma and urine concentrations, which should be used when evaluating the performance of a new laboratory method. The two lists were verified by running in vitro interference studies in three European laboratories on Hitachi instruments. The...

journal_title：Annals of clinical biochemistry

authors： Sonntag O,Scholer A

更新日期：2001-07-01 00:00:00

abstract：:A patient with sepsis and jaundice was admitted for diagnosis and treatment. Associated biochemical changes included increased C-reactive protein, conjugated bilirubin and gamma-glutamyltransferase, the duration of which was protracted. High urine coproporphyrin isomer-1 and immunostaining of liver tissue suggested Du...

journal_title：Annals of clinical biochemistry

authors： Devgun MS,El-Nujumi AM,O'Dowd GJ,Barbu V,Poupon R

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:In a network of laboratories analytical variability between instruments, even of the same type, may exist for reasons beyond the control of laboratory staff. Controlling variability is a prerequisite for the application of shared reference ranges and for ensuring the transferability of patient test results. ...

journal_title：Annals of clinical biochemistry

authors： Jassam N,Lindsay C,Harrison K,Thompson D,Bosomworth MP,Barth JH

更新日期：2011-03-01 00:00:00

abstract：:Quadriceps muscle specimens from autopsy of 28 neonates (gestational age 25-42 weeks) were investigated to determine pyruvate and malate oxidation rates and several enzymes of the mitochondrial oxidative process. In general, the levels of all mitochondrial parameters measured, including carnitine levels, were lower in...

journal_title：Annals of clinical biochemistry

authors： Sperl W,Sengers RC,Trijbels JM,Ruitenbeek W,Doesburg WH,Smeitink JA,Kollée LA,Boon JM

更新日期：1992-11-01 00:00:00

abstract：:Hypoglycaemia is an uncommon manifestation of hypopituitarism in non-diabetic adults. A 47-year-old woman with Cushing's disease was treated with bilateral adrenalectomy and pituitary radiotherapy following unsuccessful trans-sphenoidal surgery. Twenty years later, she presented with a tonic-clonic seizure and recurre...

journal_title：Annals of clinical biochemistry

authors： McAulay V,Seckl JR,Strachan MW

更新日期：2005-01-01 00:00:00

abstract：:Hereditary renal hypouricaemia (HRH) is a genetic disorder commonly associated with exercise-induced acute kidney injury (AKI). We report the case of a 19-year-old man who was admitted to hospital with exercise-induced AKI and who was subsequently shown to have HRH. We believe this to be the first description of a cas...

journal_title：Annals of clinical biochemistry

authors： Chakraborty S,Sural S

更新日期：2013-05-01 00:00:00

abstract：:The last 10 years have witnessed radical changes in the definition and diagnosis of the acute coronary syndrome (ACS), including myocardial infarction, as a result of the introduction of sensitive and specific markers of myocardial damage, the cardiac troponins. One barrier to the universal acceptance of these markers...

journal_title：Annals of clinical biochemistry

authors： Lamb EJ,Webb MC,Abbas NA

更新日期：2004-01-01 00:00:00

abstract：:Immunoreactive melatonin has been studied in normal human volunteers, both men and women, at different times of day and different times of the year. At 2400, but not at 0800 or 1200, there are very large inter-individual variations in mean levels, the maximum difference being fivefold. Intra-individual variations are ...

journal_title：Annals of clinical biochemistry

authors： Arendt J,Wirz-Justice A,Bradtke J,Kornemark M

更新日期：1979-11-01 00:00:00

abstract：:We studied the serum protein binding of 3H-labelled progesterone, oestradiol and testosterone, and five 125I-labelled analogues of these steroids. All tracers investigated appeared to be bound by proteins in every serum sample tested. The addition of blocking agents caused a substantial reduction in serum protein bind...

journal_title：Annals of clinical biochemistry

authors： Micallef JV,Hayes MM,Latif A,Ahsan R,Sufi SB

更新日期：1995-11-01 00:00:00

abstract：:We have made an evaluation of glycosylated haemoglobin measurements by affinity chromatography in a paediatric population. Age-related reference values for non-diabetic infants and children are reported. A poor correlation (r = 0.24) was found between glycosylated haemoglobin values in 26 insulin-dependent diabetic ch...

journal_title：Annals of clinical biochemistry

authors： van Heyningen C,Hanid TK,Hopkinson I

更新日期：1986-07-01 00:00:00

abstract：:The System 1 produced results for glucose and urea which were precise and accurate. It proved suitable as a general laboratory instrument as it samples 28 mul of specimen, is able to calibrate itself, produces results in three minutes, and has the capacity to analyse 56 samples an hour. ...

journal_title：Annals of clinical biochemistry

authors： Potezny N,Quelch J,Fuller B,Geary TD

更新日期：1977-09-01 00:00:00

abstract：BACKGROUND:Ascorbic acid can interfere with methodologies involving redox reactions, while comprehensive studies on main chemistry analysers have not been reported. We therefore attempted to determine the interference of ascorbic acid with analytes on the Beckman Synchron LX20. METHODS:Various concentrations of ascorb...

journal_title：Annals of clinical biochemistry

authors： Meng QH,Irwin WC,Fesser J,Massey KL

更新日期：2005-11-01 00:00:00

abstract：:Plasma immunoreactive alpha-atrial natriuretic peptide (IR alpha-ANP) levels were determined before, and at 5 and 10 min after bolus intravenous administration of morphine (0.15 or 0.30 mg/kg) in 21 otherwise healthy human subjects who underwent elective surgery. Five min after injection IR alpha-ANP levels had nearly...

journal_title：Annals of clinical biochemistry

authors： Oğütman C,Ozben T,Sadan G,Trakya A,Isbir M

更新日期：1990-01-01 00:00:00

abstract：:A recently introduced turbidimetric immunoassay using shell/core particles for determination of myoglobin (Turbiquant Myoglobin, Behringwerke, Marburg, Germany) was evaluated on the Behring Turbitimer analyzer. Intra-assay CV varied between 1.0% and 3.2%; interassay CV was between 2.0% and 3.6%. Linear results were ob...

journal_title：Annals of clinical biochemistry

authors： Delanghe J,Chapelle JP,el Allaf M,De Buyzere M

更新日期：1991-09-01 00:00:00

abstract：:A method is described for the assessment of the fraction of microcytes from the red blood cell (RBC) size distribution histogram. For quantification of the fraction of microcytes an upper threshold corresponding with a RBC volume of 70 fL is established. The reference interval for the fraction of microcytes covers a r...

journal_title：Annals of clinical biochemistry

authors： Bartels PC,Helleman PW,Soons JB

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:Method-dependent variation of caeruloplasmin measurement is significant and necessitates the requirement for assay-specific reference intervals. Local determination becomes necessary in the absence of suitable published or manufacturer-quoted reference intervals. METHODS:Applicability of the Beckman Coulter...

journal_title：Annals of clinical biochemistry

authors： Kaye OE,Cook P

更新日期：2021-01-27 00:00:00

abstract：:The effect of oral vitamin E supplementation on the oxido-reductive status of red blood cells in normal mice and those subject to oxidative stress by chronic administration of the anti-tumour drug Adriamycin was investigated. Mice were randomly separated into three groups of 20 animals each and maintained on diets ide...

journal_title：Annals of clinical biochemistry

authors： Thabrew MI,Samarawickrema N,Chandrasena LG,Jayasekera S

更新日期：1999-03-01 00:00:00

abstract：:A radioimmoassay for digoxin is described which uses commercially available reagents. Two assay procedures are used, one for batch assays, and another, which needs a 5 minute incubation only, for 'stat' assays. The methods are shown to be simple, rapid, precise and inexpensive and the batch procedure compared well wit...

journal_title：Annals of clinical biochemistry

authors： Moore RA,Turner M,Cousins J,Gales M

更新日期：1985-03-01 00:00:00

abstract：BACKGROUND:Neutrophilic polymorphonuclear leukocytes play a crucial role in the host defence against bacterial and fungal infections. They participate in the inflammatory response through the liberation of peptides and enzymes like myeloperoxidase (MPO). Therefore, MPO has a potential as a marker enzyme for the diagnos...

journal_title：Annals of clinical biochemistry

authors： Hasmann A,Wehrschuetz-Sigl E,Marold A,Wiesbauer H,Schoeftner R,Gewessler U,Kandelbauer A,Schiffer D,Schneider KP,Binder B,Schintler M,Guebitz GM

更新日期：2013-05-01 00:00:00

abstract：BACKGROUND:Macroprolactin is a high molecular mass complex of prolactin that may be the cause of elevated serum prolactin as determined by immunoassay. The composition of macroprolactin and its reactivity in immunoassays are variable but the complex has minimal bioactivity in vivo. Hyperprolactinaemia due to unrecogniz...

journal_title：Annals of clinical biochemistry

authors： Ellis AR,Fahie-Wilson M,Axcell M,Sands K,Hill RP

更新日期：2006-01-01 00:00:00