Enhancement of ionization efficiency of mass spectrometric analysis from non-electrospray ionization friendly solvents with conventional and novel ionization techniques. Anal Chim Acta 2015;897:45-52. [DOI: 10.1016/j.aca.2015.09.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 09/17/2015] [Accepted: 09/19/2015] [Indexed: 11/21/2022]

Search for improved fluorinated stationary phases for separation of fluorine-containing pharmaceuticals from their desfluoro analogs. J Chromatogr A 2015;1380:45-54. [DOI: 10.1016/j.chroma.2014.12.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 12/07/2014] [Accepted: 12/08/2014] [Indexed: 11/19/2022]

Regalado EL, Zhuang P, Chen Y, Makarov AA, Schafer WA, McGachy N, Welch CJ. Chromatographic Resolution of Closely Related Species in Pharmaceutical Chemistry: Dehalogenation Impurities and Mixtures of Halogen Isomers. Anal Chem 2013;86:805-13. [DOI: 10.1021/ac403376h] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]

Turco L, Provera S, Curcuruto O, Bernabè E, Nicoletti A, Martini L, Castoldi D, Cimarosti Z, Papini D, Marchioro C, Dams R. Detection, identification and quantification of a new de-fluorinated impurity in casopitant mesylate drug substance during late phase development: An analytical challenge involving a multidisciplinary approach. J Pharm Biomed Anal 2011;54:67-73. [DOI: 10.1016/j.jpba.2010.08.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Revised: 08/03/2010] [Accepted: 08/06/2010] [Indexed: 11/27/2022]