- Li G., Schoneker D., Ulman K.L., Sturm J.J., Thackery L.M., Kauffman J.F., 2015. Elemental impurities in pharmaceutical excipients. J Pharm Sci. 104(12), 4197-4206.
- Maithani M., Raturi R., Sharma P., Gupta V., Bansal P., 20919. Elemental impurities in pharmaceutical products adding fuel to the fire. Regul Toxicol Pharmacol. 108, 104435.
- Jenke D.R., Stults C.L., Paskiet D.M., Ball D.J., Nagao L.M., 2015. Materials in manufacturing and packaging systems as sources of elemental impurities in packaged drug products: A literature review. PDA J Pharm Sci Technol. 69(1), 1-48.
- Jenke D., 2020. Materials in manufacturing and packaging systems as sources of elemental impurities in packaged drug products: An updated literature review. PDA J Pharm Sci Technol. 74(3), 324-347.
- Holm R., Elder D.P., 2016. Analytical advances in pharmaceutical impurity profiling. Eur J Pharm Sci. 87, 118-135.
- Balaram V., 2016. Recent advances in the determination of elemental impurities in pharmaceuticals – Status, challenges and moving frontiers. TrAC Trend Anal. Chem. 80, 83-95.
- Boetzel R., Ceszlak A., Day C., Drumm P., Gil Bejar J., Glennon J., et al., 2018. An elemental impurities excipient database: A viable tool for ICH Q3D drug product risk assessment. J Pharm Sci. 107(9), 2335-2340.
- Fliszar K.A., Walker D., Allain L., 2006. Profiling of metal ions leached from pharmaceutical packaging materials. PDA J Pharm Sci Technol. 60(6), 337-342.
- Barin J.S., Mello P.A., Mesko M.F., Duarte F.A., Flores E.M., 2016. Determination of elemental impurities in pharmaceutical products and related matrices by ICP-based methods: a review. Anal Bioanal Chem. 408(17), 4547-4566.
- The United States Pharmacopoeia, USP 38-NF 33, Elemental Impurities- Procedures, Chap – 233, Revis Bull Official, 2015. pp. 232–234.
11.The United States Pharmacopoeia, USP 40-NF 35, Elemental Impurities- Limits, Chap -232, Revis Bull Official, 2017. pp. 8065-8069.
- European Pharmacopeia. Determination of elemental impurities, Vol. -I, 9th Ed., France, 2018. pp. 5833-5836.
- International conference on harmonization of technical requirements for registration of pharmaceuticals for human use, guideline for elemental impurities. Q3D Step. December 16, 2014.
- Muller A.L., Oliveira J.S., Mello P.A., Muller E.I., Flores E.M., 2015. Study and determination of elemental impurities by ICP-MS in active pharmaceutical ingredients using single reaction chamber digestion in compliance with USP requirements. Talanta. 136, 161-169.
- Mittal M., Kumar K., Anghore D., Rawal R.K., 2017. ICP-MS: Analytical method for identification and detection of elemental impurities. Curr Drug Discov Technol. 14(2), 106-120.
- Janchevska K., Stafilov T., Memed-Sejfulah S., Bogdanoska M., Ugarkovic S., Petrushevski G., 2020. ICH Q3D based elemental impurities study in liquid pharmaceutical dosage form with high daily intake - comparative analysis by ICP-OES and ICP-MS. Drug Dev Ind Pharm. 46(3), 456-461.
- Krejčová A., Ludvíková I., Černohorský T., Pouzar M., 2012. Elemental analysis of nutritional preparations by inductively coupled plasma mass and optical emission spectrometry. Food Chem. 132(1), 588-596.
- Bientinesi R., Murri R., Sacco E., 2020. Efficacy and safety of levofloxacin as a treatment for complicated urinary tract infections and pyelonephritis. Expert Opin Pharmacother. 21(6), 637-644.
- Ren H., Li X., Ni Z.H., Niu J.Y., Cao B., Xu J., 2017. Treatment of complicated urinary tract infection and acute pyelonephritis by short-course intravenous levofloxacin (750 mg day-1) or conventional intravenous/oral levofloxacin (500 mg day-1): prospective, open-label, randomized, controlled, multicenter, non-inferiority clinical trial. Int Urol Nephrol. 49(3), 499-507.
- Lalitha D.M., Chandrasekhar K.B., 2009. A validated stability-indicating RP-HPLC method for levofloxacin in the presence of degradation products, its process related impurities and identification of oxidative degradant. J Pharm Biomed Anal. 50(5), 710-717.
- Mehta J.D., Pancholi Y., Patel V., Kshatri N., Vyas N., 2010. Development and validation of a sensitive stability indicating method for quantification of levofloxacin related substances and degradation products in pharmaceutical dosage form. Int J Pharmtech Res. 2(3), 1932-1942.
- Gudlawar S.K., Jaya D., Venugopal N., 2015. A selective and sensitive UPLC-MS/MS method for simultaneous determination of four GTIs in levofloxacin. Rasayan J Chem. 8(1), 47-55.
- Sateesh J.N., Subba reddy G.V., Jayaveera K.N., Dhayalamurthi S., 2012. A validated stability-indicating isocratic LC method for levofloxacin in the presence of degradation products and its process-related impurities. Acta Chromatogr. 24(1), 23–36.
|