Samir Marcos Esmail Ahmad
AuthID: R-004-SSV
1
TITLE: Bar Adsorptive Microextraction Approach for Trace Determination of Local Anesthetics in Urine Matrices Full Text
AUTHORS: Pereira, Joana R. P.; Rocha, Daniela C.; Neng, Nuno R. ; Mauricio, Paulo; Torres, M. Edite; Ahmad, Samir M.; Quintas, Alexandre;
PUBLISHED: 2025, SOURCE: MOLECULES, VOLUME: 30, ISSUE: 1
AUTHORS: Pereira, Joana R. P.; Rocha, Daniela C.; Neng, Nuno R. ; Mauricio, Paulo; Torres, M. Edite; Ahmad, Samir M.; Quintas, Alexandre;
PUBLISHED: 2025, SOURCE: MOLECULES, VOLUME: 30, ISSUE: 1
2
TITLE: Bar adsorptive microextraction and liquid chromatography-diode array detection of synthetic cannabinoids in oral fluid Full Text
AUTHORS: Ahmad, Samir M.; Neng, Nuno R. ; Queiros, Claudio R.; Gaspar, Helena ; Nogueira, Jose Manuel F.;
PUBLISHED: 2024, SOURCE: ANALYTICAL AND BIOANALYTICAL CHEMISTRY, VOLUME: 416, ISSUE: 28
AUTHORS: Ahmad, Samir M.; Neng, Nuno R. ; Queiros, Claudio R.; Gaspar, Helena ; Nogueira, Jose Manuel F.;
PUBLISHED: 2024, SOURCE: ANALYTICAL AND BIOANALYTICAL CHEMISTRY, VOLUME: 416, ISSUE: 28
3
TITLE: GC-MS Silylation Derivative Method to Characterise Black BIC & REG; Ballpoint 2-Phenoxyethanol Ratio Evaporation Profile-A Contribution to Ink Ageing Estimation Full Text
AUTHORS: Leal, Teresa Argente; Ferreira, Carla; Ribeiro, Ana; Ahmad, Samir Marcos; Quintas, Alexandre; Bernardo, Alexandra;
PUBLISHED: 2023, SOURCE: MOLECULES, VOLUME: 28, ISSUE: 12
AUTHORS: Leal, Teresa Argente; Ferreira, Carla; Ribeiro, Ana; Ahmad, Samir Marcos; Quintas, Alexandre; Bernardo, Alexandra;
PUBLISHED: 2023, SOURCE: MOLECULES, VOLUME: 28, ISSUE: 12
INDEXED IN: 
Scopus 
WOS
Scopus WOS4
TITLE: Determination of phytocannabinoids in cannabis samples by ultrasound-assisted solid-liquid extraction and high-performance liquid chromatography with diode array detector analysis Full Text
AUTHORS: Correia, Beatriz; Ahmad, Samir Marcos; Quintas, Alexandre;
PUBLISHED: 2023, SOURCE: JOURNAL OF CHROMATOGRAPHY A, VOLUME: 1705
AUTHORS: Correia, Beatriz; Ahmad, Samir Marcos; Quintas, Alexandre;
PUBLISHED: 2023, SOURCE: JOURNAL OF CHROMATOGRAPHY A, VOLUME: 1705
INDEXED IN: Scopus WOS
Scopus WOS5
TITLE: Enhancement for trace analysis of sulfonamide antibiotics in water matrices using bar adsorptive microextraction (BA mu E) Full Text
AUTHORS: Ide, AH; Ahmad, SM; Neng, NR; Nogueira, JMF ;
PUBLISHED: 2016, SOURCE: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, VOLUME: 129
AUTHORS: Ide, AH; Ahmad, SM; Neng, NR; Nogueira, JMF ;
PUBLISHED: 2016, SOURCE: JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, VOLUME: 129
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TITLE: Determination of Trace Levels of Irgarol in Estuarine Water Matrices by Bar Adsorptive Microextraction
AUTHORS: Bruno Boto Calado; Samir Marcos Ahmad; Carlos Almeida; Nuno da Rosa Neng; Jose Manuel F Florencio Nogueira ;
PUBLISHED: 2016, SOURCE: JOURNAL OF CHROMATOGRAPHIC SCIENCE, VOLUME: 54, ISSUE: 8
AUTHORS: Bruno Boto Calado; Samir Marcos Ahmad; Carlos Almeida; Nuno da Rosa Neng; Jose Manuel F Florencio Nogueira ;
PUBLISHED: 2016, SOURCE: JOURNAL OF CHROMATOGRAPHIC SCIENCE, VOLUME: 54, ISSUE: 8
7
TITLE: Application of Bar Adsorptive Microextraction-Large-Volume Injection-Gas Chromatography-Mass Spectrometric Method for the Determination of Trace Levels of Agrochemicals in Real Matrices Full Text
AUTHORS: Joao R Bernarda; Samir M Ahmad; Carlos Almeida; Nuno R Neng; Jose Manuel F Nogueira ;
PUBLISHED: 2015, SOURCE: JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, VOLUME: 26, ISSUE: 10
AUTHORS: Joao R Bernarda; Samir M Ahmad; Carlos Almeida; Nuno R Neng; Jose Manuel F Nogueira ;
PUBLISHED: 2015, SOURCE: JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, VOLUME: 26, ISSUE: 10
