Zobrazeno 11 - 20
of 581
pro vyhledávání: '"Analytical Chemistry"'
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
A rapid and cost-effective chromatographic approach based on a core-shell column with high-performance liquid chromatography diode array detection (HPLC-DAD) is proposed for the quantification of carotenoids in tomato fruits and its derived products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cd1812bc8426ec9ee9c7b4864c71fe1
https://www.sciencedirect.com/science/article/abs/pii/S0026265X20325832
https://www.sciencedirect.com/science/article/abs/pii/S0026265X20325832
The importance of alternative fuel production has increased in the lately years, and so has the need of methods of analysis to evaluate their quality. Biodiesel fuel is a valuable substitute to petrodiesel fuel. Among the side and byproducts that hav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60d29ec6b04eb2ac9853db1323c08268
https://linkinghub.elsevier.com/retrieve/pii/S0026265X20316428
https://linkinghub.elsevier.com/retrieve/pii/S0026265X20316428
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
A new method to quantify the mycotoxin ochratoxin A (OTA) in coffee and tea samples is proposed based on second-order multivariate calibration and excitation-emission fluorescence matrix (EEFM) data. Experimental conditions were optimized by studying
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b6de37148a0d6e6b4b113e13260e1b7
https://www.sciencedirect.com/science/article/abs/pii/S0039914020305798
https://www.sciencedirect.com/science/article/abs/pii/S0039914020305798
Autor:
Leonardo S. G. Teixeira, Laís N. Pires, Candice N. Carneiro, Fabio de S. Dias, Silvana Mariela Azcarate, Angelica F. Carneiro
A sample pretreatment based on an extraction process by emulsion breaking for multi-element determination in edible oils was developed. The determination of eight trace elements (Al, Ba, Cu, Cr, P, Ni, Ti, and Zn) was carried out by microwave-induced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb6e17bc587374cd8f14dc2aba0e534b
https://linkinghub.elsevier.com/retrieve/pii/S0039914020305099
https://linkinghub.elsevier.com/retrieve/pii/S0039914020305099
Autor:
Carlos D. Garcia, Lucas Mattos Duarte, María Fernanda Silva, Makenzie Reynolds, Federico Jose Vicente Gomez, Wendell K. T. Coltro
Ammonia is a naturally-occurring gas, present throughout the atmosphere at sub-ppb concentrations. As result of various processes, significantly higher concentrations can be found in the areas surrounding industrial and agricultural operations. In su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58ff731184c49c5633e8aa54ce215f69
https://www.sciencedirect.com/science/article/abs/pii/S0026265X20312704?via=ihub
https://www.sciencedirect.com/science/article/abs/pii/S0026265X20312704?via=ihub
Autor:
José Manuel Herrero-Martínez, Laura Pont, Victoria Sanz-Nebot, Leonardo Gabriel Gagliardi, María Vergara-Barberán, Fernando Benavente, Gemma Marin
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Dipòsit Digital de la UB
Universidad de Barcelona
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Dipòsit Digital de la UB
Universidad de Barcelona
In this study, polymeric monoliths with gold nanoparticles (AuNP@monolith) were investigated as microcartridges for the analysis of protein biomarkers by on-line solid-phase extraction capillary electrophoresis-mass spectrometry (SPE-CE-MS). “Plug-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc5c7ba6985f2bd3ddd8f96630e4ab1e
https://www.sciencedirect.com/science/article/abs/pii/S0021967320303186
https://www.sciencedirect.com/science/article/abs/pii/S0021967320303186
The aim of this study was to develop a fluorescence-detection based analytical methodology consisting in the photolysis of abacavir induced by UV irradiation to determine the concentration of the analyte in complex samples. Initially, with the goal o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcea6c413bd4ff8317650da6b469aa68
https://linkinghub.elsevier.com/retrieve/pii/S0026265X20315460
https://linkinghub.elsevier.com/retrieve/pii/S0026265X20315460
Autor:
Rodolfo G. Wuilloud, Mauricio Llaver
A simple, novel and highly sensitive ionic liquid-assisted cloud point extraction (IL-CPE) and preconcentration method was developed for the determination and speciation analysis of tellurium, using 1-octyl-3-methylimidazolium chloride as an additive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb17d4fe81770624ea332403df0251fa
https://www.sciencedirect.com/science/article/abs/pii/S003991402030093X?via=ihub
https://www.sciencedirect.com/science/article/abs/pii/S003991402030093X?via=ihub
Publikováno v:
Analytica chimica acta 1093, 16-27 (2020). doi:10.1016/j.aca.2019.09.044
Regular algal blooms are occurring in Taihu lake, which may be triggered by resuspension of sediments containing relevant amounts of phosphorus. Therefore, our study aims at quantification of phosphorus concentrations bound to suspended particulate m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e5d09fbdfbb12b57a569b9606978715
https://juser.fz-juelich.de/record/872909
https://juser.fz-juelich.de/record/872909
A simple, rapid and efficient methodology was developed for the extraction and determination of heterocyclic aromatic amines (HAAs) in cigarette and forest fire ash samples based on a novel Ultrasound-Assisted Dispersive Solid-liquid Microextraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67e73751e9e666af5f0c0ba2e0011b1b
https://www.sciencedirect.com/science/article/abs/pii/S003991401930815X
https://www.sciencedirect.com/science/article/abs/pii/S003991401930815X