Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ariane I. Barros"'
Publikováno v:
Heliyon, Vol 6, Iss 2, Pp e03359- (2020)
Elemental impurities in drug samples can generate unwanted pharmacological–toxicological effects, therefore they must be carefully monitored. In order to update the elemental analysis of pharmaceutical products, new regulations for elemental impuri
Externí odkaz:
https://doaj.org/article/40327de2876a4f72a2405090342f7f3c
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
Applications, advantages, and limitations of the traditional external standard calibration, matrix-matched calibration, internal standardization, and standard additions, as well as the non-traditional interference standard method, standard dilution a
Externí odkaz:
https://doaj.org/article/55266e40a23d4a7d9d8ded2b58899786
Publikováno v:
Analytical methods : advancing methods and applications. 15(2)
This work investigated the potential of microwave-induced plasma optical emission spectrometry (MIP-OES) for urine analysis using a complex matrix containing carbon and high concentrations of easily ionizable elements (EIEs). The goals were to study
Autor:
Fernanda C. Pinheiro, Joaquim A. Nóbrega, Edenir Rodrigues Pereira-Filho, Diego Victor Babos, Ariane I. Barros
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 174:471-478
This study proposes an analytical procedure for microwave-assisted sample preparation of dietary supplements for athletes using dilute nitric acid solution followed by determination of elemental impurities (As, Cd, Hg and Pb) by inductively coupled p
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 155:90-98
Several calibration strategies were evaluated for Ca and P determination in mineral supplements for cattle using direct solids analysis by laser-induced breakdown spectroscopy (LIBS). Matrix-matching calibration (MMC), internal standardization (IS),
Publikováno v:
Microchemical Journal. 146:948-956
This study evaluated a dilute-and-shoot procedure for determination of 23 elemental impurities in liquid pharmaceutical samples by inductively coupled plasma optical emission spectrometry (ICP OES). Two dilution factors were tested for analysis of fo
Publikováno v:
Analytical Methods. 11:3401-3409
This study investigated internal standardization and multi-energy calibration (MEC) as strategies for direct analysis of urine by inductively coupled plasma optical emission spectrometry (ICP OES). Gallium, Ge, Pd, Sc and Y were evaluated as internal
Autor:
Fernanda C. Pinheiro, Joaquim A. Nóbrega, Clarice D.B. Amaral, Ariane I. Barros, Rodolfo Lorençatto
Publikováno v:
Talanta. 178:805-810
This study investigated the capability of High Matrix Introduction (HMI) strategy for analysis of dialysis solution and urine samples using inductively coupled plasma mass spectrometry. The use of HMI enables the direct introduction of urine samples
Publikováno v:
Analytica chimica acta. 1065
This work proposed a procedure for microwave-assisted sample preparation of medicines using diluted nitric acid followed by determination of elemental impurities using inductively coupled plasma optical emission spectrometry (ICP OES) and inductively
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 167:105825
Space charge effects and internal standardization were evaluated in quadrupole inductively coupled plasma mass spectrometry (ICP-MS). Changes in analyte ion sensitivities as a function of analyte ion mass (11B+, 24Mg+, 45Sc+, 60Ni+, 71Ga+, 75As+, 111