Linearity and stability of the AVL and Nova magnesium and calcium ion-selective electrodes

Clinical Chemistry

Volumn 42, Issue 6 SUPPL., 1996, Pages 880-887

  Rehak, Nadja N ^a,b   Cecco, Stagey A ^a   Niemela, Julie E ^a   Hristova, Elena N ^a   Elin, Ronald J ^a  

^a NATIONAL INSTITUTES OF HEALTH   (United States)

^b NATIONAL INSTITUTES OF HEALTH   (United States)

Author keywords

Electrolytes; Intermethod comparison

Indexed keywords

CALCIUM ION; MAGNESIUM ION;

ARTICLE; CALCIUM BLOOD LEVEL; CHEMICAL ANALYSIS; HUMAN; ION SELECTIVE ELECTRODE; LABORATORY TEST; MAGNESIUM BLOOD LEVEL;

CALCIUM; CATIONS, DIVALENT; ELECTROCHEMISTRY; ELECTRODES; HUMANS; MAGNESIUM; REGRESSION ANALYSIS; SENSITIVITY AND SPECIFICITY; SODIUM CHLORIDE; SOLUTIONS; TIME FACTORS; WATER;

EID: 0029979171     PISSN: 00099147     EISSN: None     Source Type: Journal    
DOI: 10.1093/clinchem/42.6.880     Document Type: Article

References (12)

1. Oesch U, Ammann D, Simon W. Ion-selective membrane electrodes for clinical use [Review]. Clin Chem 1986;32:1448-59.
2. Behm F, Ammann D, Simon W. Cyclic octa- and decapeptides as ionophores for magnesium. Helv Chim Acta 1985;68:110-8.
3. Rouilly M, Rusterholz B, Spichiger UE, Simon W. Neutral ionophore-based selective electrode for assaying the activity of magnesium in undiluted blood serum. Clin Chem 1990;36:466-9.
4. van Ingen HE, Huijgen HJ, Kok WT, Sanders TB. Analytical evaluation of Kone Microlyte determination of ionized magnesium. Clin Chem 1994;40:52-5.
5. 2+ in whole blood, serum and plasma. Methods Find Exp Clin Pharmacol 1992;14:297-304.
6. Marsoner HJ, Spichiger UE, Ritter C, Sachs C, Ghahramani M, Offenbacher H, et al. Measurement of ionized magnesium with neutral carrier based ISE's. Progress and results with the AVL 988-4 magnesium analyzer. Scand J Clin Lab Invest 1994;54: 45-51.
7. Sachs C, Ritter C, Puaud M, Kindermans C, Spichiger UE, Marsoner HJ. Measurement of ionized magnesium with an ion selective electrode. In: Aizawa M, Kuwa K, eds. Methodology and clinical applications of pH, blood gases, electrolytes and sensor technology (Proceedings of the IFCC/WGISE-JSCC/CDGE Symposium, Hakone, Japan, 1991). Tokyo, Japan: Gene Act Planning Corp., 1992:13:177-81.
8. Lewenstam A, Blomqvist N, Ost J. Determination and significance of ionized magnesium. Klin Lab 1993;2a:60-3.
9. Elin RJ, Hristova EN, Cecco SA, Niemela JE, Rehak NN. Comparison of precision and effect of pH and calcium on AVL and NOVA magnesium ion-selective electrodes. Scand J Clin Lab Invest. In press.
10. Kroll MH, Emancipator K. A theoretical evaluation of linearity. Clin Chem 1993;39:405-13.
11. Emancipator K, Kroll MH. A quantitative measure of nonlinearity. Clin Chem 1993;39:766-72.
12. Cecco SA, Rehak NN. NOVA 8, NOVA 8+ analyzer comparison for ionized calcium, normalized calcium and pH [Abstract]. Clin Chem 1994;40:1097-8.