Journals / Journal of Clinical and Analytical Medicine / 2011 / Cilt: 2 - Sayı: 2

Measurement of TS-131, a new monopyridinium oxime, by high performance liquid chromatography in rat plasma samples

Rat plazma örneklerinde yüksek basınçlı sıvı kromatografisi (HPLC) ile yeni bir monopiridinyum oksim olan TS-131’in ölçümü

Pages
19–21
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

After spiking, average spike recoveries ranged from 99.2% to 100.4% and, overall mean recovery of 99.8% was found.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim TS-131 is a monopyridinium aldoxime-type cholinesterase reactivator developed as a potential alternative to commercially available oximes.
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Key Findings & Data:A sensitive, simple and reliable high performance liquid chromatography (HPLC) method with diode array detector was developed for the measurement of TS- 131 concentrations in rat plasma samples.
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Conclusion & Impact:After spiking, average spike recoveries ranged from 99.2% to 100.4% and, overall mean recovery of 99.8% was found.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim TS-131 is a monopyridinium aldoxime-type cholinesterase reactivator developed as a potential alternative to commercially available oximes. A sensitive, simple and reliable high performance liquid chromatography (HPLC) method with diode array detector was developed for the measurement of TS- 131 concentrations in rat plasma samples. Material and Methods Male Spraque Dawley rats were treated intramuscularly with TS-131 and the samples were collected 30 min. later. Separation was carried out by HPLC using octadecyl silica stationary phase and a mobile phase consisting of 92% 0.1 M ammonium acetate and 8% methanol. Measurements were carried out at 40 0C. Quantitative absorbance was monitored at 242 nm. Results The calibration curve was linear through the range of 0.78–3200 μmol/L, which is well beyond the detected plasma level range of TS-131. Limit of quantitation was 0.39 μmol/L. Intra-day and inter-day precisions of the HPLC determinations gave standard deviations as 1.94 and 1.22%, respectively. After spiking, average spike recoveries ranged from 99.2% to 100.4% and, overall mean recovery of 99.8% was found. Conclusion A sensitive, simple and reliable HPLC method was established for the measurement of TS-131. The presented HPLC method with diyote arrray detector can also be used to determine the concentrations of several pyridinium oximes.

Özet

Amaç TS-131, mevcut ticari oksimlere potansiyel bir alternatif olarak geliştirilmiş bir monopiridinyum aldoksim tipi kolinesteraz reaktivatörüdür. Rat plazma örneklerinde TS-131’in konsantrasyonlarının ölçümü için; sensitif, basit ve güvenilir bir yüksek basınçlı sıvı kromatografisi (HPLC) yöntemi kurmayı amaçladık. Gereç ve Yöntemler TS-131, erkek Sprague Dawley ratlara intramusküler olarak verildi. 30 dakika sonra kan örnekleri intrakardiyak olarak alındı. TS-131’in HPLC ile ayırımı için, octadecyl silica yapısında analitik kolon ve %92 0.1 M amonyum asetat ve %8 metanol içeren mobil faz kullanıldı. Tüm analizler 40 0C’ye ayarlanmış kolon fırını içerisinde yapıldı. Analizler, diyot array dedektör ile 242 nm dalga boyunda yapıldı. Bulgular 3200 μmol/L’lık stok standarttan seri dilüsyonlarla elde edilen standartlarla (0.78–3200 μmol/L) hesaplanan kalibrasyon eğrisi lineerdi. Bu HPLC yöntemi ile dedekte edilebilen TS-131 aralığı 0.78–3200 μmol/L arasında idi. Yöntemin kantitasyon limiti (LOQ)’u 0.39 μmol/L’ydi. HPLC ölçümlerinin gün-içi ve günler-arası tekrarlanabilirlilikleri sırasıyla %1.94 ve %1.22 idi. Standartın numunelere eklenmesinden (spiking) sonra, ortalama spike geri eldeleri %99.2 ile %100.4 arasındaydı. Ortalama geri elde ise %99.8 olarak bulundu. Sonuç TS-131 ölçümü için; sensitif, basit ve güvenilir bir HPLC yöntemi kuruldu. Mevcut diyod array dedektörlü HPLC yöntemi, aynı zamanda çeşitli piridinyum oksimlerin konsantrasyonlarını belirlemek için de kullanılabilir.

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Cite This Article

MACİT, E., ERBİL, M. K., AKGUL, E. O., KENAR, L., YAMAN, H., YAREN, H., CAYCI, T., KUNAK, Z. İ., KURT, Y. G., KARASOVA, J. Z., AYDIN, I., CAKIR, E., SUBASI, T., DEMİR, A. S. (2022). Measurement of TS-131, a new monopyridinium oxime, by high performance liquid chromatography in rat plasma samples. Journal of Clinical and Analytical Medicine, Cilt: 2 - Sayı: 2, 19–21. https://ajindex.com/articles/561460

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References (1)

  1. R. Levine. In Handbook of Pesticide Toxicology, General Principles, vol. 1, W.J. Hayes and E.R. Laws, Eds. Academic Press, San Diego, 1991, pp. 275-360. 2.J. Bajgar. Organophosphates/nerve agent poisoning: mechanism of action, diagnosis, prophylaxis, and treatment. Adv Clin Chem, 2004, 38, 151-216. 3.S.W. Wiener, R.S. Hoffman. Nerve agents: a comprehensive review. J. Intensive Care Med, 2004, 19, 22-37. 4.Karalliedde L. Organophosphorus poisoning and anaesthesia. Anaesthesia, 1999, 54, 1073-1088. 5.G. Petroianu, L.M. Toomes, A. Petroianu, W. Bergeler, R. Rüfer. Control of blood pressure, heart rate and haematocrit during high-dose intravenous paraoxon exposure in mini pigs. J Appl Toxicol, 1998, 18, 293-298. 6.M. Jokanović, M.P. Stojiljković. Current understanding of the application of pyridinium oximes as cholinesterase reactivators in treatment of organophosphate poisoning. Eur J Pharmacol, 2006, 553, 10-17. 7.J. Bajgar, J. Fusek, K. Kuca, L. Bartosova, D. Jun. Treatment of organophosphate intoxication using cholinesterase reactivators: facts and fiction. Mini Rev Med Chem, 2007, 7, 461-466. 8.R. Odzak, M. Calić, T. Hrenar, I. Primozic, Z. Kovarik. Evaluation of monoquaternary pyridinium oximes potency to reactivate tabun-inhibited human acetylcholinesterase. Toxicology, 2007, 233, 85-96. 9.Y.P. Pang, T.M. Kollmeyer, F. Hong, J.C. Lee, P.I. Hammond, S.P. Haugabouk, S. Brimijoin. Rational design of alkylene-linked bis-pyridiniumaldoximes as improved acetylcholinesterase reactivators. Chem Biol, 2003, 10, 491-502. 10.K. Kuca, D. Juna, K. Musilek. Structural requirements of acetylcholinesterase reactivators. Mini Rev Med Chem, 2006, 6, 269-277. 11.C. Srinivas Rao, V. Venkateswarlu, G. Achaiah. Quaternary salts of 4,3′ and 4,4′ bis-pyridinium monooximes. Part 2: Synthesis and biological activity. Bioorg Med Chem Lett, 2006, 16, 2134-2138. 12.P. Eyer, L. Szinicz, H. Thiermann, F. Worek, T. Zilker. Testing of antidotes for organophosphorus compounds: experimental procedures and clinical reality. Toxicology, 2007, 233, 108-119. 13.K. Musilek, K. Kuca, D. Jun, V. Dohnal, M. Dolezal. Synthesis of the novel series of bispyridinium compounds bearing (E)-but-2-ene linker and evaluation of their reactivation activity against chlorpyrifos-inhibited acetylcholinesterase. Bioorg Med Chem Lett, 2006, 16, 622-627. 14.K. Musilek, K. Kuca, D. Jun, M. Dolezal. Progress in synthesis of new acetylcholinesterase reactivators during the period 1990-2004. Curr Org Chem, 2007, 1