Samir Marcos Ahmad

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Assistant Professor

Egas Moniz Cooperativa de Ensino Superior CRL

Portugal

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About

Samir Marcos Ahmad is an Assistant Professor at Egas Moniz Cooperativa de Ensino Superior CRL in Portugal. His research focuses on analytical chemistry, particularly in the areas of microextraction techniques, chemical analysis of drug substances, and environmental monitoring. Dr. Ahmad has published recent articles on topics including trace determination of local anesthetics, characterization of gunshot residues, and the analysis of phytocannabinoids in cannabis.

Recent Grants

Grant: Close

Linguagem do Silêncio no setting da consulta de medicina dentária

Open Date: 2023-01-01

Close Date: 2025-12-01

Grant: Close

Educação para saúde no contexto do cancro do colo do útero

Open Date: 2022-09-01

Close Date: 2024-08-01

Grant: Close

Implementation of a cost-effective and competitive Analytical Service for the Determination of Phytocannabinoids in Cannabis Sativa and in urine samples

Open Date: 2022-03-01

Close Date: 2024-02-01

Grant: Close

AService-Cannabis

Open Date: 2022-01-01

Close Date: 2024-01-01

Grant: Close

Desenvolvimento de Metodologias Analíticas Inovadoras Conducentes à Monitorização e Despistagem de Substâncias de Abuso Emergentes (algumas com propriedades quirais) ? Aplicação em contexto de toxicologia clínica, forense e de controlo anti-doping.

Open Date: 2015-01-01

Close Date: 2019-01-01

Articles (11)

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2024

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2023

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2023

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2023

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2022

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2021

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2021

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2021

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2020

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Faculdade de Ciências da Universidade de Lisboa

PORTUGAL

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Samir Marcos Ahmad

Research Interests

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About

Recent Grants

Articles (11)

Bar Adsorptive Microextraction Approach for Trace Determination of Local Anesthetics in Urine Matrices

Chemical Analysis of Gunpowder and Gunshot Residues

GC-MS Silylation Derivative Method to Characterise Black BIC® Ballpoint 2-Phenoxyethanol Ratio Evaporation Profile—A Contribution to Ink Ageing Estimation

Determination of phytocannabinoids in cannabis samples by ultrasound-assisted solid-liquid extraction and high-performance liquid chromatography with diode array detector analysis

Simple Analytical Strategy for Screening Three Synthetic Cathinones (α-PVT, α-PVP, and MDPV) in Oral Fluids

Monitoring traces of organochlorine pesticides in herbal matrices by bar adsorptive microextraction–Application to black tea and tobacco

Application of Bar Adsorptive Microextraction for the Determination of Levels of Tricyclic Antidepressants in Urine Samples

Application of Microextraction-Based Techniques for Screening-Controlled Drugs in Forensic Context—A Review

Bar Adsorptive Microextraction Coated with Carbon-Based Phase Mixtures for Performance-Enhancement to Monitor Selected Benzotriazoles, Benzothiazoles, and Benzenesulfonamides in Environmental Water Matrices

A Fast and Validated High Throughput Bar Adsorptive Microextraction (HT-BAµE) Method for the Determination of Ketamine and Norketamine in Urine Samples

High throughput bar adsorptive microextraction: A simple and effective analytical approach for the determination of nicotine and cotinine in urine samples

Collaborators (5)

José Manuel Nogueira

Nuno Neng

Alexandra Bernardo

Carlos Familia

M. Ivette Gomes

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