An unusual cause of interference in a salicylate assay caused by mitochondrial acetoacetyl-CoA thiolase deficiency.

abstract：:A real time data processing system for a group of three clinical chemistry laboratories (one base and two satellite) has been developed as a successor to one used previously. This paper describes both the inadequacies of the previous worksheet-based system and the advantages of the new system, including flexibility, f...

journal_title：Annals of clinical biochemistry

authors： Hirst AD,Naylor D,White HL,Walter M

更新日期：1979-01-01 00:00:00

abstract：BACKGROUND:In the enzyme reaction for the determination of the unbound (free) bilirubin concentration by glucose oxidase and peroxidase, materials with low affinity for serum protein are reactive. The influence of these materials on the determination of serum unbound bilirubin was investigated. METHODS Serum samples fr...

journal_title：Annals of clinical biochemistry

authors： Itoh S,Kawada K,Kusaka T,Yasuda S,Okada H,Imai T,Isobe K

更新日期：2002-11-01 00:00:00

abstract：:There is an increasing need for sensitive and specific methods for toxicological screening. Development of a dual-column gas chromatography system for the screening of drugs and metabolites in the plasma of poisoned patients is described. The system has been evaluated using plasma from a well-documented series of pati...

journal_title：Annals of clinical biochemistry

authors： Jarvie DR,Simpson D

更新日期：1984-03-01 00:00:00

abstract：:We conducted an electrophoretic analysis of monoclonal gamma-globulin found in the serum of a patient with splenic marginal-zone lymphoma. This monoclonal protein showed electrophoretic mobility to the gamma region and reacted with anti-immunoglobulin (IgG) antiserum but not with anti-kappa or anti-lambda light chain ...

journal_title：Annals of clinical biochemistry

authors： Morita K,Kawamoto H,Takada H,Nakamura S,Ishii K,Okamoto Y

更新日期：2006-03-01 00:00:00

abstract：:Serum osteocalcin did not show any response to the onset of osteosarcoma in Paget's disease of bone whereas serum alkaline phosphatase increased rapidly. This suggests that osteocalcin is not useful in the diagnosis and management of Paget's osteosarcoma and does not reflect the same osteoblastic processes in bone as ...

journal_title：Annals of clinical biochemistry

authors： Davie MW,Worsfold M,Sharp CA

更新日期：1991-03-01 00:00:00

abstract：:ISO 22870 standards require protocols for performance of internal quality control for all point-of-care testing devices and training of users in its theory and practice. However, the unique setting of point-of-care testing (i.e. processes conducted by non-scientific users) means that laboratory internal quality contro...

journal_title：Annals of clinical biochemistry

authors： Holt H,Freedman DB

更新日期：2016-03-01 00:00:00

abstract：:We present two cases of spuriously high cerebrospinal fluid glucose concentration with approximately normal blood glucose concentrations. The cause of these abnormal findings was the use of inappropriate collection tubes during the pre-analytical phase. Whilst no patient harm was identified following this error, signi...

journal_title：Annals of clinical biochemistry

authors： Broz P,Rajdl D,Racek J,Petr T,Vitek L

更新日期：2015-01-01 00:00:00

abstract：:An automated assay for serum amylase is described. Using the AutoAnalyzer II the method employs, as substrate, a solution of dyed amylopectin which is commercially available (DyAmyl-L). After incubation of serum and substrate at 55 degrees C, 1.0 mol/lKOH is introduced and the coloured products of enzymic hydrolysis a...

journal_title：Annals of clinical biochemistry

authors： Carney JA,Osibeluwo SA,Clements JA,Jay RF

更新日期：1977-11-01 00:00:00

abstract：BACKGROUND:Apolipoprotein concentrations in reflex tears from healthy and noninsulin-dependent diabetes mellitus (NIDDM) subjects were measured and correlated with the stage of diabetic retinopathy. METHODS AND RESULTS:The apolipoprotein A-I (apo A-I) concentrations in the tears from NIDDM patients with retinopathy we...

journal_title：Annals of clinical biochemistry

authors： Kawai S,Nakajima T,Hokari S,Komoda T,Kawai K

更新日期：2002-01-01 00:00:00

abstract：:We evaluated a novel assay for the measurement of 1,25 dihydroxyvitamin D (1,25 (OH)2D). Immunoextraction of 1,25(OH)2D is performed using a mini column containing a solid-phase monoclonal antibody followed by radioimmunoassay (RIA) using an 125I-labelled 1,25(OH)2D derivative tracer and Sac-cell separation. The mean ...

journal_title：Annals of clinical biochemistry

authors： Fraser WD,Durham BH,Berry JL,Mawer EB

更新日期：1997-11-01 00:00:00

abstract：:The primary antibody deficiency syndromes are a group of rare disorders characterized by an inability to produce clinically effective immunoglobulin responses. Some of these disorders result from genetic mutations in genes involved in B cell development, whereas others appear to be complex polygenic disorders. They mo...

journal_title：Annals of clinical biochemistry

authors： Wood P

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND:Current practice requires regular venous blood samples for monitoring of tacrolimus concentrations post renal transplant requiring regular hospital visits. Mitra devices use volumetric absorptive microsampling technology and absorb a fixed amount of blood (10 μL) from a capillary blood sample. They are a via...

journal_title：Annals of clinical biochemistry

authors： Marshall DJ,Kim JJ,Brand S,Bryne C,Keevil BG

更新日期：2020-09-01 00:00:00

abstract：OBJECTIVE:The menstrual cycle-related changes in clinical laboratory values were analysed by use of data obtained in the Asian multicentre study aimed at derivation of common reference intervals for 85 major clinical laboratory tests. METHODS:Among 1876 healthy female volunteers, 893 had regular menstruation. They wer...

journal_title：Annals of clinical biochemistry

authors： Masuda S,Ichihara K,Yamanishi H,Hirano Y,Tanaka Y,Kamisako T,Scientific Committee for Asia-Pasific Federation of Clinical Biochemistry.

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Combined lipid and glucose point-of-care testing (POCT) devices could facilitate widespread population screening for cardiovascular disease (CVD) and diabetes as part of the NHS Vascular Risk Assessment and Management Program (NHS Health Checks). An evaluation of the Cholestech LDX and CardioChek PA POCT ana...

journal_title：Annals of clinical biochemistry

authors： Whitehead SJ,Ford C,Gama R

更新日期：2014-01-01 00:00:00

abstract：:Three sensitive assays (Behring, Organon and LKB-Pharmacia) for measurement of serum thyrotropin (TSH) were evaluated. All three assays showed good precision, sensitivity, linearity and for practical purposes negligible high dose hook effects. The correlations between the assays were excellent, but due to standardisat...

journal_title：Annals of clinical biochemistry

authors： Bonte HA,Vermes I,v d Sluijs Veer G

更新日期：1989-11-01 00:00:00

abstract：:In a 1 year prospective study we evaluated the effect of feedback of laboratory data on the requesting behaviour of physicians in general medicine. Data on within-hours and out-of-hours clinical chemistry laboratory usage and revenue expenditure for inpatients and outpatients, expressed in terms of clinical workload, ...

journal_title：Annals of clinical biochemistry

authors： Gama R,Nightingale PG,Broughton PM,Peters M,Bradby GV,Berg J,Ratcliffe JG

更新日期：1991-03-01 00:00:00

abstract：:Some inherited metabolic disorders (IMDs) can cause significant complications during pregnancy, affecting the mother and/or the fetus. Although it appears that only a minority of IMDs have these effects, experience is still being acquired. For some disorders, patients will not have reached child-bearing age. Pregnanci...

journal_title：Annals of clinical biochemistry

authors： Preece MA,Green A

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Supported liquid extraction (SLE) techniques are relatively new compared to other sample preparation approaches such as solid phase extraction (SPE), liquid-liquid extraction (LLE) and protein precipitation (PPE). We investigated the use of SLE as an alternative to SPE for the liquid chromatography tandem ma...

journal_title：Annals of clinical biochemistry

authors： Owen LJ,Keevil BG

更新日期：2013-09-01 00:00:00

abstract：:The seasonal variation of serum 25-hydroxy vitamin D3 and 1,25-dihydroxy-vitamin D has been investigated. Blood was taken from 27 healthy volunteers, aged 21-44 years old at 3 monthly intervals over a period of 1 year. A scrolling monthly programme with 12 quarterly (3 month) time periods was developed. A summer assoc...

journal_title：Annals of clinical biochemistry

authors： Hine TJ,Roberts NB

更新日期：1994-01-01 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：:We describe a new electrochemical method for the determination of erythrocyte acetylcholinesterase activity (EC 3.1.1.7) and plasma cholinesterase (EC 3.1.1.8) activity, based on the measurements of pH variation due to release of acetic acid from acetylcholine. The major advantages of the differential pH procedure are...

journal_title：Annals of clinical biochemistry

authors： Barenghi L,Ceriotti F,Luzzana M,Ripamonti M,Mosca A,Bonini PA

更新日期：1986-09-01 00:00:00

abstract：BACKGROUND:In humans, leptin circulates in a free form and is also bound to macromolecules. The aim of the present study was to compare a rapid acid-ethanol precipitation (AEP) method of measuring bound leptin with the more laborious gel exclusion chromatography (GEC) reference procedure. Serum samples collected from h...

journal_title：Annals of clinical biochemistry

authors： Jamieson NB,McMillan DC,Brown DJ,Wallace AM

更新日期：2003-03-01 00:00:00

abstract：:A 41-year-old lady presented with classical symptoms of a phaeochromocytoma and markedly elevated urinary adrenaline concentration. Urinary fractionated metanephrine and normetanephrine concentrations were within the normal reference range. Computed tomography of the abdomen/pelvis and I(123) meta-iodobenzylguanidine ...

journal_title：Annals of clinical biochemistry

authors： King TF,Shea PO,Sullivan EP,Srinivasan R,Griffin A,Fitzgerald R,Tormey W,Smith D

更新日期：2008-03-01 00:00:00

abstract：:The ischaemic lactate-ammonia test is widely used for investigating patients with muscle pain and fatigue. It involves measuring plasma lactate and ammonia produced as a result of forearm exercise under ischaemic conditions in a fasted subject. Its clinical use is to screen patients with muscle complaints for disorder...

journal_title：Annals of clinical biochemistry

authors： Livingstone C,Chinnery PF,Turnbull DM

更新日期：2001-07-01 00:00:00

abstract：:Serum concentrations of total thyroid hormones, thyroid hormone binding proteins, free thyroid hormones and thyroid stimulating hormone (TSH) were measured in a large group of healthy normal subjects (n = 218) to determine the influence of age and sex on tests of thyroid function. No effect of age on measurements of t...

journal_title：Annals of clinical biochemistry

authors： Franklyn JA,Ramsden DB,Sheppard MC

更新日期：1985-09-01 00:00:00

abstract：:The measurement of galactose-1-phosphate has been advocated for monitoring galactosaemia. A radioenzymatic method is described in which red-cell haemolysates are incubated with radiolabelled uridine diphospho-glucose and exogenous galactose-1-phosphate uridyl transferase. Labelled glucose-1-phosphate is formed in prop...

journal_title：Annals of clinical biochemistry

authors： Dobbie JA,Holton JB

更新日期：1986-05-01 00:00:00

abstract：:Lack of accuracy in expressing concentrations of specific proteins in different lots of Hyland calibrating reference and quality control materials, supplied for the Hyland PDQ laser nephelometer, prompted an attempt to find alternative and more reliable calibrating materials available commercially. Laser grade (Atlant...

journal_title：Annals of clinical biochemistry

authors： Shulman G

更新日期：1980-07-01 00:00:00

abstract：:This paper summarises the views of the authors on the provision of a prolactin assay service. We discuss the pathophysiology of prolactin secretion and the clinical indications that arise from that. We cover the rather complex issue of the definition of normal and elevated prolactin levels. From these considerations, ...

journal_title：Annals of clinical biochemistry

authors： Jeffcoate SL,Bacon RR,Beastall GH,Diver MJ,Franks S,Seth J

更新日期：1986-11-01 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：:We examined the reproducibility of oral glucose tolerance tests (OGTT) using the World Health Organization criterion in 212 Chinese subjects (male 149, female 63) who underwent two 75 g OGTTs within a 6-week period. The overall reproducibility was 65.6% (139/212) of which 74 subjects had normal glucose tolerance, 24 h...

journal_title：Annals of clinical biochemistry

authors： Ko GT,Chan JC,Woo J,Lau E,Yeung VT,Chow CC,Cockram CS

更新日期：1998-01-01 00:00:00