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Results: 1 to 20 of 119

Related Citations for PubMed (Select 23788325)

1.

Semi-preparative LC-SPE-cryoflow NMR for impurity identifications: use of mother liquor as a better source of impurities.

Rinaldi F, Fan J, Pathirana C, Palaniswamy V.

Magn Reson Chem. 2013 Sep;51(9):517-22. doi: 10.1002/mrc.3979. Epub 2013 Jun 21.

PMID:
23788325
2.

Automated Solid Phase Extraction (SPE) LC/NMR Applied to the Structural Analysis of Extractable Compounds from a Pharmaceutical Packaging Material of Construction.

Norwood DL, Mullis JO, Davis M, Pennino S, Egert T, Gonnella NC.

PDA J Pharm Sci Technol. 2013 May-Jun;67(3):267-87. doi: 10.5731/pdajpst.2013.00920.

PMID:
23752753
3.

Identification and structural elucidation of an unknown impurity in carbamazepine active pharmaceutical ingredient by liquid chromatography-tandem mass spectrometry and semi-preparative chromatographic isolation.

Thomas S, Mathela CS, Agarwal A, Paul SK.

J Pharm Biomed Anal. 2011 Sep 10;56(2):423-8. doi: 10.1016/j.jpba.2011.05.030. Epub 2011 May 27.

PMID:
21676571
4.

Forced degradation and impurity profiling: recent trends in analytical perspectives.

Jain D, Basniwal PK.

J Pharm Biomed Anal. 2013 Dec;86:11-35. doi: 10.1016/j.jpba.2013.07.013. Epub 2013 Jul 31. Review.

PMID:
23969330
5.

Application of LC-NMR to the identification of bulk drug impurities in NK1 antagonist GW597599 (vestipitant).

Provera S, Guercio G, Turco L, Curcuruto O, Alvaro G, Rossi T, Marchioro C.

Magn Reson Chem. 2010 Jul;48(7):523-30. doi: 10.1002/mrc.2611.

PMID:
20535779
6.

Semi-preparative isolation and structural elucidation of an impurity in citalopram by LC/MS/MS.

Raman B, Sharma BA, Ghugare PD, Karmuse PP, Kumar A.

J Pharm Biomed Anal. 2009 Oct 15;50(3):377-83. doi: 10.1016/j.jpba.2009.05.017. Epub 2009 May 27.

PMID:
19556091
7.

Identification, isolation and characterization of impurities of clindamycin palmitate hydrochloride.

Bharathi Ch, Jayaram P, Sunder Raj J, Saravana Kumar M, Bhargavi V, Handa VK, Dandala R, Naidu A.

J Pharm Biomed Anal. 2008 Dec 1;48(4):1211-8. doi: 10.1016/j.jpba.2008.08.011. Epub 2008 Aug 20.

PMID:
18947955
8.

Selective determination of potential impurities in an active pharmaceutical ingredient using HPLC-SPE-HPLC.

Yamamoto E, Niijima J, Asakawa N.

J Pharm Biomed Anal. 2013 Oct;84:41-7. doi: 10.1016/j.jpba.2013.05.033. Epub 2013 Jun 13.

PMID:
23806999
9.

NMR and mass spectrometric characterization of vinblastine, vincristine and some new related impurities--part II.

Háda V, Dubrovay Z, Lakó-Futó A, Galambos J, Gulyás Z, Aranyi A, Szántay C Jr.

J Pharm Biomed Anal. 2013 Oct;84:309-22. doi: 10.1016/j.jpba.2012.09.008. Epub 2012 Oct 22.

PMID:
23177164
10.

Investigation and structural elucidation of a process related impurity in candesartan cilexetil by LC/ESI-ITMS and NMR.

Raman B, Sharma BA, Mahale G, Singh D, Kumar A.

J Pharm Biomed Anal. 2011 Sep 10;56(2):256-63. doi: 10.1016/j.jpba.2011.05.024. Epub 2011 May 20.

PMID:
21664089
11.

The design of a multi-dimensional LC-SPE-NMR system (LC(2)-SPE-NMR) for complex mixture analysis.

Alexander AJ, Xu F, Bernard C.

Magn Reson Chem. 2006 Jan;44(1):1-6.

PMID:
16329084
12.

Isolation and structural elucidation of two impurities from a diacerein bulk drug.

Ashok C, Golak M, Adwait D, Krishna V, Himani A, Umesh P, Amol G, Srinivas S, Sharad M, Deepali J, Atul C.

J Pharm Biomed Anal. 2009 Feb 20;49(2):525-8. doi: 10.1016/j.jpba.2008.11.015. Epub 2008 Nov 25.

PMID:
19131202
13.

A multi-technique approach using LC-NMR, LC-MS, semi-preparative HPLC, HR-NMR and HR-MS for the isolation and characterization of low-level unknown impurities in GW876008, a novel corticotropin-release factor 1 antagonist.

Provera S, Rovatti L, Turco L, Mozzo S, Spezzaferri A, Bacchi S, Ribecai A, Guelfi S, Mingardi A, Marchioro C, Papini D.

J Pharm Biomed Anal. 2010 Nov 2;53(3):517-25. doi: 10.1016/j.jpba.2010.06.012. Epub 2010 Jun 22.

PMID:
20619567
14.

The design of an on-line semi-preparative LC-SPE-NMR system for trace analysis.

Xu F, Alexander AJ.

Magn Reson Chem. 2005 Sep;43(9):776-82.

PMID:
16049948
15.

LC-SPE-NMR-MS: a total analysis system for bioanalysis.

Schlotterbeck G, Ceccarelli SM.

Bioanalysis. 2009 Jun;1(3):549-59. doi: 10.4155/bio.09.50. Review.

PMID:
21083152
16.

Isolation and structural identification of an impurity in fluconazole bulk drug substance.

Dongre VG, Ghugare PD, Karmuse PP, Soudagar SR, Panda N, Kumar A.

J Pharm Biomed Anal. 2007 Nov 5;45(3):422-9. Epub 2007 Jul 10.

PMID:
17706390
17.

Impurity profile study of zaleplon.

Bharathi Ch, Prabahar KJ, Prasad ChS, Kumar MS, Magesh S, Handa VK, Dandala R, Naidu A.

J Pharm Biomed Anal. 2007 May 9;44(1):101-9. Epub 2007 Feb 6.

PMID:
17367980
18.

Identification of multiple impurities in a pharmaceutical matrix using preparative gas chromatography and computer-assisted structure elucidation.

Codina A, Ryan RW, Joyce R, Richards DS.

Anal Chem. 2010 Nov 1;82(21):9127-33. doi: 10.1021/ac102151g. Epub 2010 Oct 13.

PMID:
20942391
19.

Isolation, identification and characterization of novel process-related impurities in flupirtine maleate.

Zhang D, Song X, Su J.

J Pharm Biomed Anal. 2014 Mar;90:27-34. doi: 10.1016/j.jpba.2013.11.015. Epub 2013 Nov 27.

PMID:
24333703
20.

LC-UV-solid-phase extraction-NMR-MS combined with a cryogenic flow probe and its application to the identification of compounds present in Greek oregano.

Exarchou V, Godejohann M, van Beek TA, Gerothanassis IP, Vervoort J.

Anal Chem. 2003 Nov 15;75(22):6288-94.

PMID:
14616013
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