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Vijayakumar P, Dawson PA. Analytical methods for quantitating sulfate in plasma and serum. Essays Biochem 2024:EBC20230092. [PMID: 38699863 DOI: 10.1042/ebc20230092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/14/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024]
Abstract
Circulating sulfate needs to be maintained at sufficiently high levels for healthy growth and development. Animal studies have shown the adverse physiological consequences of low circulating sulfate level on the skeletal, neurological and reproductive systems. However, sulfate is not routinely measured in clinical investigations, despite the importance of sulfate being documented over the past several decades. Several methods have been developed for measuring serum and plasma sulfate level in animals and humans, including a range of barium sulfate precipitation techniques that have been a major focus of sulfate analytics since the 1960s. Evaluation of an ion chromatography method demonstrated its utility for investigation of sulfate levels in human health. More recently, liquid chromatography-tandem mass spectrometry has been used to show hyposulfatemia in a human case of mild skeletal dysplasia. This article provides an overview of analytical methods for measuring sulfate in serum and plasma, highlighting the strengths and limitations of each method.
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Affiliation(s)
- Prasidhee Vijayakumar
- Mater Research Institute, The University of Queensland, Woolloongabba QLD, Australia
| | - Paul A Dawson
- Mater Research Institute, The University of Queensland, Woolloongabba QLD, Australia
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Pohl CA, Srinivasan K. Electrostatically attached highly branched anion-exchange phases derived from diamines and diepoxides. Talanta 2018; 184:338-346. [DOI: 10.1016/j.talanta.2018.02.106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 02/26/2018] [Accepted: 02/26/2018] [Indexed: 11/30/2022]
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Pohl CA. Novel method for manipulation of anion-exchange selectivity by derivatizing hydroxyl groups in the proximity of quaternary nitrogen ion-exchange sites with glycidol. Talanta 2018; 177:18-25. [DOI: 10.1016/j.talanta.2017.09.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 09/15/2017] [Accepted: 09/15/2017] [Indexed: 10/18/2022]
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Shelor CP, Yoshikawa K, Dasgupta PK. Automated Programmable Preparation of Carbonate-Bicarbonate Eluents for Ion Chromatography with Pressurized Carbon Dioxide. Anal Chem 2017; 89:10063-10070. [DOI: 10.1021/acs.analchem.7b02808] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C. Phillip Shelor
- Department of Chemistry and
Biochemistry University of Texas at Arlington Arlington, Texas 76019-0065, United States
| | - Kenji Yoshikawa
- Department of Chemistry and
Biochemistry University of Texas at Arlington Arlington, Texas 76019-0065, United States
| | - Purnendu K. Dasgupta
- Department of Chemistry and
Biochemistry University of Texas at Arlington Arlington, Texas 76019-0065, United States
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Nordmeyer FR, Hansen LD, Eatough DJ, Rollins DK, Lamb JD. Determination of alkaline earth and divalent transition metal cations by ion chromatography with sulfate-supressed barium and lead eluents. Anal Chem 2002. [DOI: 10.1021/ac50056a019] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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7
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Bohrer D, Cícero do Nascimento P, Mendonça JK. On-line deproteinization by adsorption of proteins on a polyethylene powder pre-column for the determination of Na, K, Mg and Ca in human serum by high-performance liquid chromatography. JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL SCIENCES AND APPLICATIONS 2001; 750:61-9. [PMID: 11204224 DOI: 10.1016/s0378-4347(00)00414-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Deproteinization of human serum was carried out on-line using a polyethylene powder cartridge as pre-column. The serum sample, after dilution, was injected into the chromatograph, and when passing through the cartridge the proteins were adsorbed by the polyethylene. A protein-free eluate was carried to the analytical column while the pre-column was washed with methanol and water to elute the adsorbed proteins by changing the pump channels. After washing, the pre-column was conditioned with the eluent to receive the next sample. Deproteinization was evaluated off- and on-line using pooled serum, and testing the protein residue after passing through a polyethylene cartridge with the Comassie Brilliant Blue reaction. Parameters such as serum volume, eluent and washing solution were investigated. Sodium, potassium, magnesium and calcium determinations were performed by high-performance liquid chromatography with conductimetric detection. The proposed method is suitable for the determination of these cations in serum samples without further treatments. The total analysis time was about 20 min and a linear range from 0.3 to 1.2 mg/l for sodium, potassium, magnesium and calcium was observed. The method was characterized by a precision of about 95% and recoveries from spiked samples were between 96 and 102%. The results for serum samples analysed by the proposed method were compared with photometry and atomic absorption spectrometry.
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Affiliation(s)
- D Bohrer
- Department of Chemistry, Universidade Federal de Santa Maria, Brazil.
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Cole DE, Evrovski J. Quantitation of sulfate and thiosulfate in clinical samples by ion chromatography. J Chromatogr A 1997; 789:221-32. [PMID: 9440288 DOI: 10.1016/s0021-9673(97)00821-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
For assay of serum sulfate, quantitation by ion conductimetry after separation by anion-exchange chromatography is the method of choice. In comparison to classical barium precipitation methods, chromatographic methods demonstrate increased precision, specificity and sensitivity, and they may be superior to spectrophotometric methods that rely on organic cation precipitation of sulfate. The increased sensitivity and specificity, as well as the inherent capacity of chromatographic methods for simultaneous determination of other anions, has led to its increasing use in the determination of excreted sulfate in clinical profiles of urinary anion composition. Ion chromatography can also be used to quantitate free sulfate in other clinical samples, including cerebrospinal fluid, sweat, saliva, breast milk and human tissues. Finally, ion chromatography shows promise as a more precise and sensitive method for measurement of total acid-labile sulfoesters and thiosulfate.
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Affiliation(s)
- D E Cole
- Department of Laboratory Medicine, Banting Institute, University of Toronto, Ontario, Canada.
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Singh RP, Smesko SA, Abbas NM. Ion chromatographic characterization of toxic solutions: analysis and ion chemistry of biological liquids. J Chromatogr A 1997; 774:21-35. [PMID: 9253185 DOI: 10.1016/s0021-9673(97)00526-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The literature on the analysis of biological fluids by ion chromatography is reviewed herein. It has been demonstrated that ion chromatography is the method of choice for the determination of anions such as chloride, nitrite, bromide, phosphate, nitrate, sulfate, oxalate, thiocyanate, thiosulfate, citrate, isocitrate, carbonate, and similar species. Cations such as sodium, ammonium, potassium, magnesium, and calcium in various biological solutions have also been successfully identified and quantified. The technique fulfils several requirements of a reliable microanalytical method by providing sufficient speed, automation, case of use, and accuracy. For many types of analyses, very little or even no sample preparation is required. Because of this, as presented in this review, ion chromatography is widely used not only to obtain reliable clinical data, but also to study ion chemistry. It has been an invaluable tool in nephrolithiasis and dental research. This review should provide a useful reference for analysts and researchers involved in clinical studies. The review is presented in four sections: (1) introduction, (2) methods of analysis, (3) ion chemistry and (4) critical comments and concluding remarks. Section 1, as usual, deals with the general introduction of the subject and objectives. Section 2 includes the review of the literature on ion chromatography (IC) methods developed for routine analysis of various analytes present in biological fluids. Section 3 deals with the applications of IC used in the understanding of ion chemistry of biological fluids. Specifically, it deals with the physical chemistry aspects related to nephrolithiasis and dental research, such as speciation, driving force for crystals formation and crystallization, and pathophysiology. Section 4 contains critical comments and concluding remarks.
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Affiliation(s)
- R P Singh
- Chemical Development Department, Osram Sylvania Inc., Towanda, PA 18848-0504, USA
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Hoffman DA, Wallace SM, Verbeeck RK. Simple method for the determination of inorganic sulfate in human serum and urine using single-column ion chromatography. JOURNAL OF CHROMATOGRAPHY 1991; 565:447-52. [PMID: 1874891 DOI: 10.1016/0378-4347(91)80408-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A single-column ion chromatographic assay with conductivity detection was developed to determine inorganic sulfate concentrations in human plasma and urine samples. Plasma samples were ultrafiltered to remove proteins. Plasma ultrafiltrate and urine samples were diluted prior to injection onto the anion-exchange column. The described method is simple, fast, sensitive and reproducible and was used to study the effect of subchronic administration of acetaminophen on the plasma concentrations and urinary excretion of inorganic sulfate in healthy volunteers.
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Affiliation(s)
- D A Hoffman
- College of Pharmacy, University of Saskatchewan, Saskatoon, Canada
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Singh RP, Nancollas GH. Determination of phosphate, sulfate and oxalate in urine by ion chromatography. JOURNAL OF CHROMATOGRAPHY 1988; 433:373-6. [PMID: 3235570 DOI: 10.1016/s0378-4347(00)80624-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- R P Singh
- Chemistry Department, State University of New York, Buffalo 14214
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Morris ME, Levy G. Assay of inorganic sulfate in biologic fluids by nonsuppressed (single-column) ion chromatography. Anal Biochem 1988; 172:16-21. [PMID: 3189759 DOI: 10.1016/0003-2697(88)90405-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An assay using nonsuppressed (single-column) anion chromatography was developed to determine the concentration of inorganic sulfate in biologic fluids. A conventional HPLC system with an anion-exchange column and conductimetric detector interfaced with an automatic injector and integrator was used. The mobile phase for the chromatography of urine and serum samples is 4 mM potassium hydrogen phthalate, pH 4.5, and potassium iodide is used as the internal standard. For cerebrospinal fluid samples, the mobile phase is modified by addition of 10% of a 4 mM phthalic acid solution. Results of the HPLC assay were found to correlate well (r = 0.991 and 0.999) with those of two commonly used spectrophotometric methods for urine and serum inorganic sulfate determinations. However, the concentrations determined by ion chromatography were 2.5 to 10% lower, possibly due to less assay interference by other substances following chromatographic separation of sulfate. Anion chromatography using a single-column system is a convenient and relatively inexpensive method with sufficient sensitivity for the determination of inorganic sulfate concentrations in urine, serum, and cerebrospinal fluid.
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Affiliation(s)
- M E Morris
- Department of Pharmaceutics, School of Pharmacy, State University of New York at Buffalo, Amherst 14260
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Nagamine Y, Hamai Y, Chikamori K, Kita T, Hirota M, Oshima I, Yamashita S, Shima K. Asymptomatic hyperbromidaemia detected as pseudohyperchloridaemia measured with an ion selective electrode meter. Scand J Clin Lab Invest 1988; 48:177-82. [PMID: 3358097 DOI: 10.3109/00365518809085410] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Six patients were found to have increased serum chloride concentrations when these concentrations were determined with an ion-selective electrode, but not when determined by continuous flow mercuric thiocyanate colorimetry or amperometric-coulometric titration. Their serum bromide levels of 1.8-8.0 mmol/l were much higher than those of 0.07-0.13 mmol/l in normal controls. The urinary bromide excretion, measured in two of these patients, was higher than that in normal subjects. No common symptoms or abnormalities in laboratory findings except hyperbromidaemia were found in these patients, who claimed not to have taken any drugs containing bromide. For determination of the incidence of subclinical hyperbromidaemia, the serum bromide concentrations were measured in sera of 1,323 outpatients sent to Tokushima University Hospital for routine measurements of blood chemistry over a one-month period. Five samples showed abnormally high bromide levels. It is concluded that subclinical hyperbromidaemia is not as rare as generally thought, though the aetiology of this state is unknown. Chloride determination with an ion-selective electrode can be used to screen for hyperbromidaemia, since increased levels of bromide ion result in apparently high chloride values.
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Affiliation(s)
- Y Nagamine
- Department of Laboratory Medicine, Tokushima University School of Medicine, Japan
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Reiter C, Müller S, Müller T. Improved method for the determination of sulphate in human serum using ion chromatography. JOURNAL OF CHROMATOGRAPHY 1987; 413:251-6. [PMID: 3031105 DOI: 10.1016/0378-4347(87)80235-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Cole DE, Landry DA. Determination of inorganic sulfate in human saliva and sweat by controlled-flow anion chromatography. Normal values in adult humans. JOURNAL OF CHROMATOGRAPHY 1985; 337:267-78. [PMID: 3988858 DOI: 10.1016/0378-4347(85)80040-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Following the previous demonstration that low concentrations of inorganic sulfate (SO4) in human serum and cerebrospinal fluid can be accurately determined by controlled-flow anion chromatography, the assay has been extended to the quantitation of free SO4 in saliva and sweat by modification of the established methods of sample collection and preparation. Salivary secretions were ultrafiltered to remove macromolecular polyanions that bind irreversibly to the anion-exchange separator column and reduce resolution. Sweat was collected from 22 fasted adult volunteers using a method which utilizes absorbent filter pads applied to the forearm after secretion had been stimulated by pilocarpine iontophoresis. It was necessary to acid wash the filter pads to reduce sulfate contamination. Saliva ultrafiltrate or sweat was diluted and injected onto a Dionex D-10 Ion Analyzer using the standard anion column system. The mean inorganic SO4 concentration in saliva from seventeen adult fasting volunteers was 72 +/- 4 mumol/l (+/- S.E.); the mean SO4 concentration in sweat was 83 +/- 3 mumol/l. Both are significantly less than in matching serum, suggesting that SO4 is actively removed during formation of these glandular secretions. The ion chromatographic assay is shown to be capable of measuring SO4 in biological fluids at concentrations that are otherwise undetectable by conventional assay techniques.
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Uchiyama S, Tohfuku Y, Suzuki S, Muto G. Determination of urea by ion chromatography with an immobilized urease reactor. Anal Chim Acta 1985. [DOI: 10.1016/s0003-2670(00)84391-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Abstract
Patients with cystic fibrosis (CF) secrete copious amounts of mucous material which is viscous, tends to accumulate in the respiratory tract and contains larger than normal amounts of sulfate. The present investigation was designed to measure sulfate levels in the serum of patients with cystic fibrosis by ion chromatography of protein-free serum aliquots. The level of inorganic sulfate in the serum of non-cystic fibrosis pediatric patients averaged 0.29 +/- 0.03 mmol/l while patients suffering from cystic fibrosis had an average serum sulfate value of 0.27 +/- 0.03 mmol/l which was not significantly different from controls. No differences were observed in serum sulfate levels among males and females of either group of patients. There was a tendency for serum sulfate levels to decrease with age, but there was no statistically significant difference in serum sulfate levels between cystic fibrosis patients and normals as a function of age. These findings indicate that the highly sulfated mucoid materials secreted by cystic fibrosis patients are not reflected in abnormal serum sulfate levels.
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de Jong P, Burggraaf M. An ion chromatographic method for the simultaneous determination of inorganic phosphate, bromide, nitrate and sulphate in human serum. Clin Chim Acta 1983; 132:63-71. [PMID: 6616863 DOI: 10.1016/0009-8981(83)90233-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A direct method for the determination of inorganic phosphate, bromide, nitrate and sulphate in 100 microliter serum is described. After a 10-fold dilution, the sample is directly injected into an ion chromatograph without further pretreatment. The method described is highly accurate, and reproducible over longer periods. The serum concentrations of the four above-mentioned anions have been determined in 20 male and 20 female normal persons and found to be in agreement with the results of earlier studies.
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Mackie H, Speciale SJ, Throop LJ, Yang T. Ion chromatographic determination of the azide ion in in a prealbumin fraction from human serum. J Chromatogr A 1982. [DOI: 10.1016/s0021-9673(00)87261-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Cole DE, Shafai J, Scriver CR. Inorganic sulfate in cerebrospinal fluid from infants and children. Clin Chim Acta 1982; 120:153-9. [PMID: 7067135 DOI: 10.1016/0009-8981(82)90086-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Inorganic sulfate in cerebrospinal fluid (CSF) from 25 infants and children was measured by controlled-flow anion chromatography. The mean CSF concentration was 0.133 +/- 0.066 mumol/l for the group. Mean CSF sulfate is age dependent being 0.170 mmol/l in the newborn and 0.095 mmol/l (range: 0.059-0.165) in children over 3 years of age. The fall in CSF sulfate parallels a corresponding age-dependent change in serum sulfate. Accordingly, the CSF:serum ratio (0.334 +/- 0.019; mean +/- SE) remains constant in infants and children. The CSF:serum ratio departs significantly from that predicted by the Gibbs-Donnan equilibrium relation (predicted ratio, 1.21). CSF sulfate content appears to reflect mediated transport of sulfate out of CSF.
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Cole DE, Scriver CR. Microassay of inorganic sulfate in biological fluids by controlled flow anion chromatography. JOURNAL OF CHROMATOGRAPHY 1981; 225:359-67. [PMID: 7197686 DOI: 10.1016/s0378-4347(00)80284-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The application of controlled flow anion chromatography to the assay of inorganic sulfate in biological fluids is described. The sulfate anion is separated from other anions by ion-exchange chromatography and quantitated conductimetrically. Coefficient of variance is 3.4%, about half that for the barium precipitation assay. Interference from heparin in plasma samples and unknown sources in tissue extract analysis is avoided. Sulfate levels in plasma are not different from those measured in serum after protein precipitation. Normal levels for sulfate concentration in human plasma, cerebrospinal fluid and hepatic tissue extract are reported.
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[56] Techniques for studying ionic regulations of chloroplasts. Methods Enzymol 1980. [DOI: 10.1016/s0076-6879(80)69058-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Jellum E. Profiling of human body fluids in healthy and diseased states using gas chromatography and mass spectrometry, with special reference to organic acids. JOURNAL OF CHROMATOGRAPHY 1977; 143:427-62. [PMID: 330556 DOI: 10.1016/s0378-4347(00)81792-2] [Citation(s) in RCA: 189] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review summarizes recent advances in the application of gas chromatography and mass spectrometry to the study of human diseases. Emphasis is placed upon the organic acid profiles of the various body fluids. Methods for sample work-up prior to separation and mass spectrometric analysis are reviewed, and artifacts and pitfalls are discussed. Organic acid profiles, obtained with packed or capillary columns attached to mass spectrometers with or without computer systems, have led to the discovery of new normal metabolites, new metabolic disorders, and to new knowledge about a number of other diseases. Stable isotopes and gas chromatography--mass spectrometry are suitable for quantitative analysis of many compounds in the body fluids, and well suited for investigation of metabolic pathways.
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