Abstract
Based on fluorescence capillary analysis technology, a method for quantitating lactate dehydrogenase (LDH) activity in a micro-volume sample was developed. Sample and reagent consumptions were merely 2 and 16 μL per time, respectively. The optimized test conditions were as follows. The reaction reagent consisted of 0.10 M phosphate buffer (pH 6.5), 0.30 mM NADH and 1.20 mM pyruvate. NADH standard was prepared with a phosphate buffer of pH 8.0, and its linear response was controlled in 0.05–0.30 mM. LDH standards containing 2.0 mM PEG could exhibit long-term stability. Under the optimized conditions, a linear response for LDH from 50 to 1200 U L–1 and a detection limit of 31 U L–1 were obtained with good precision (RSD: 2.1–2.2%, n = 10) and better recovery of 96–105%. The method’s characteristics was high sensitivity, low consumptions, simple operations, good precision and reliability, lending itself to the miniaturization of fluorophotometer which transformed into a bedside instrument in the hospital.
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F. Wroblewski and J. S. La Due, Proc. Soc. Exp. Biol. Med., 1955, 90, 210.
C. A. Burtis, E. R. Ashwood, and D. E. Bruns, “Tietz Textbook of clinical chemistry and molecular diagnostics”, 5th ed., 2011, Saunders, Elsevier Medicine.
Y.-S. Li, W. Yang, Q.-J. Li, L. Zhou, and X.-F. Gao, Chin. J. Anal. Chem., 2011, 39, 1058.
M. Tabata, F. Koushima, and M. Totani, Anal. Chim. Acta, 1994, 298, 113.
H. Okuma, S. Sekimukai, M. Hoshi, K. Toyama, and E. Watanabe, Enzyme Microb. Technol., 1989, 11, 824.
A. Haouz, A. Geloso-Meyer, and C. Burstein, Enzyme Microb. Technol., 1994, 16, 292.
F. Mizutani, K. Sasaki, and Y. Shimura, Anal. Chem., 1983, 55, 35.
N. Minoura, S. Yamada, I. Karube, I. Kubo, and S. Suzuki, Anal. Chim. Acta, 1982, 135, 355.
H.-X. Ju, L. Dong, and H.-Y. Chen, Talanta, 1996, 43, 1177.
T. Toyoda, S. S. Kuan, and G. G. Guilbault, Anal. Lett., 1985, 18, 345.
C.-X. Cai, H.-X. Ju, and H.-Y. Chen, Anal. Lett., 1995, 28, 809.
N. Santos-Alvarez, M. J. Lobo-Castanon, A. J. Miranda-Ordieres, and P. Tunon-Blanco, Anal. Chim. Acta, 2002, 457, 275.
R. Basi and M. Philcox, Eur. J. Clin. Chem. Clin. Biochem., 1994, 32, 639.
Societe Francaise de Biologie Clinique. Enzymology commission. Recommendations, Ann. Biol. Clin., 1982, 40, 87.
H. J. Huijgen, G. T. Sanders, R. W. Koster, J. Vreeken, and P. M. Bossuyt, Eur J. Clin. Chem. Clin. Biochem., 1997, 35, 569.
M. M. Nachlas, S. I. Margulies, J. D. Goldbergb, and A. M. Seligman, Anal. Biochem., 1960, 4, 317.
C. C. Allain, C. P. Henson, M. K. Nadel, and A. J. Knoblesdorff, Clin. Chem., 1973, 19, 22.
A. L. Babson and S. R. Babson, Clin. Chem., 1973, 19, 766.
X.-F. Gao, Y.-S. Li, and I. Karube, Anal. Chim. Acta, 2001, 443, 257.
J. C. Shih and E. P. Teulings, Clin. Chem., 1978, 24, 2176.
M. P. Nandakumar, R. Nandakumar, and B. Mattiasson, Biotechnol. Lett., 2000, 22, 1453.
Y.-S. Li and X.-F. Gao, Spectrosc. Spectral. Anal. (Beijing, China), 2007, 27, 1565.
Y.-S. Li and X.-F. Gao, Anal. Chim. Acta, 2007, 588, 140.
Y.-S. Li, X.-F. Gao, and Y.-X. Jiang, Chin. J. Anal. Chem., 2006, 34, S220.
Y.-S. Li, X. Ju, X.-F. Gao, Y.-Y. Zhao, and Y.-F Wu, Anal. Chim. Acta, 2008, 610, 249.
Y.-Y. Zhao, X.-F. Gao, Y.-S. Li, X. Ju, J. Zhang, and J. Zheng, Talanta, 2008, 76, 265.
Y.-S. Li, W.-P. Liu, X.-F. Gao, D.-D. Chen, and W.-G. Li, Biosens. Bioelectron., 2008, 24, 538.
Q.-J. Li, X.-F. Gao, Y.-D. Du, T.-M. Chen, and Y.-S. Li, Chin. J. Anal. Chem., 2011, 39, 1181.
A. Rogers and Y. Gibon, “Enzyme Kinetics: Theory and Practice in Plant Metabolic Metworks”, 2009, Springer, New York.
V. A. Pena, P. D. Dios, S. L. Rocamonde, R. T. Sierrac, and S. S. Rodriguez, Arch. Oral. Biol., 2004, 49, 23.
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The authors sincerely thank the Promotion Program Foundation of Sichuan University for the financial support of the project (No. 008204127092).
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Li, QJ., Li, YS. & Gao, XF. A Novel Analysis Method for Lactate Dehydrogenase Activity in Serum Samples Based on Fluorescence Capillary Analysis. ANAL. SCI. 31, 413–419 (2015). https://doi.org/10.2116/analsci.31.413
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DOI: https://doi.org/10.2116/analsci.31.413