A simple vortex-assisted graphene oxide nanosheets dispersive micro-solid phase extraction combined with high-performance liquid chromatography for UV-Vis detection of tramadol in biological samples

Vortex-Assisted Dispersive Solid-Phase Microextraction Using Ionic Liquid-Modified Metal-Organic Frameworks of PAHs from Environmental Water, Vegetable, and Fruit Juice Samples

(2017) A. Nasrollahpour et al.   Food Analytical Methods

Air assisted emulsification liquid-liquid microextraction based on deep eutectic solvent for preconcentration of methadone in water and biological samples

(2017) N. Lamei et al.   TALANTA

Graphene/graphene oxide and their derivatives in the separation/isolation and preconcentration of protein species: A review

(2016) Xuwei Chen et al.   ANALYTICA CHIMICA ACTA

Development of solid-phase microextraction coupled with liquid chromatography for analysis of tramadol in brain tissue using its molecularly imprinted polymer

(2016) Monireh Habibi-Khorasani et al.   BIOMEDICAL CHROMATOGRAPHY

Simultaneous determination of 20 trace organic chemicals in waters by solid-phase extraction (SPE) with triple-quadrupole mass spectrometer (QqQ-MS) and hybrid quadrupole Orbitrap high resolution MS (Q-Orbitrap-HRMS)

(2016) Wei Chen et al.   CHEMOSPHERE

Graphene-Based Preconcentration System Prior to Energy Dispersive X-Ray Fluorescence Spectrometric Determination of Co, Ni, and Cu Ions in Wine Samples

(2016) Katarzyna Pytlakowska   Food Analytical Methods

A simple colorimetric method for estimation of tramadol hydrochloride in pure and tablet dosage forms

(2016) ScariaP Thomas et al.   INDIAN JOURNAL OF PHARMACOLOGY

A novel electrochemical sensor based on magneto LDH/Fe3O4 nanoparticles @ glassy carbon electrode for voltammetric determination of tramadol in real samples

(2016) Tayyebeh Madrakian et al.   IONICS

Combination of counter current salting-out homogenous liquid–liquid extraction and dispersive liquid–liquid microextraction as a novel microextraction of drugs in urine samples

(2016) Reza Akramipour et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Solid-phase microextraction of ultra-trace amounts of tramadol from human urine by using a carbon nanotube/flower-shaped zinc oxide hollow fiber

(2016) Maryam Abbasian et al.   JOURNAL OF SEPARATION SCIENCE

Mechanisms of tramadol-related neurotoxicity in the rat: Does diazepam/tramadol combination play a worsening role in overdose?

(2016) Camille Lagard et al.   TOXICOLOGY AND APPLIED PHARMACOLOGY

Optimization of ultrasound-assisted dispersive solid-phase microextraction based on nanoparticles followed by spectrophotometry for the simultaneous determination of dyes using experimental design

(2016) Arash Asfaram et al.   ULTRASONICS SONOCHEMISTRY

Tramadol chronic abuse: An evidence from hair analysis by LC tandem MS

(2015) Patrizia Verri et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Magnetic nanoparticle based dispersive micro-solid-phase extraction for the determination of malachite green in water samples: optimized experimental design

(2015) Arash Asfaram et al.   NEW JOURNAL OF CHEMISTRY

Dispersive solid phase microextraction with magnetic graphene oxide as the sorbent for separation and preconcentration of ultra-trace amounts of gold ions

(2015) Elahe Kazemi et al.   TALANTA

Adolescent tramadol use and abuse in Egypt

(2015) Medhat M. Bassiony et al.   AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE

Vortex-assisted magnetic dispersive solid-phase microextraction for rapid screening and recognition of dicofol residues in tea products

(2014) Xiaoling Cheng et al.   FOOD CHEMISTRY

Analysis of tramadol and O -desmethyltramadol in decomposed skeletal tissues following acute and repeated tramadol exposure by gas chromatography mass spectrometry

(2014) Treena R. Wiebe et al.   FORENSIC SCIENCE INTERNATIONAL

Development of stir bar sorptive-dispersive microextraction mediated by magnetic nanoparticles and its analytical application to the determination of hydrophobic organic compounds in aqueous media

(2014) Juan L. Benedé et al.   JOURNAL OF CHROMATOGRAPHY A

A review on procedures for the preparation of coatings for solid phase microextraction

(2014) Mohammad Ovais Aziz-Zanjani et al.   MICROCHIMICA ACTA

Graphene oxide-based dispersive micro-solid phase extraction for separation and preconcentration of nicotine from biological and environmental water samples followed by gas chromatography-flame ionization detection

(2014) Shokouh Mahpishanian et al.   TALANTA

Fabrication of a new electrochemical sensor based on a new nano-molecularly imprinted polymer for highly selective and sensitive determination of tramadol in human urine samples

(2013) Abbas Afkhami et al.   BIOSENSORS & BIOELECTRONICS

Determination of haloacetic acids in swimming pool waters by membrane-protected micro-solid phase extraction

(2013) Hakimu Nsubuga et al.   JOURNAL OF CHROMATOGRAPHY A

Simultaneous determination of tramadol, O-desmethyltramadol and N-desmethyltramadol in human urine by gas chromatography–mass spectrometry

(2013) Abdel-Aziz Y. El-Sayed et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Spectrofluorimetric and Spectrophotometric Analysis of Two Analgesic Drugs in Pharmaceutical Formulations and Biological Fluids

(2013) Akram M. El-Didamony et al.   JOURNAL OF FORENSIC SCIENCES

Solid-phase microextraction of Methylene Blue using carboxy graphene-modified steel wires, and its detection by electrochemiluminescence

(2013) Sui Wang et al.   MICROCHIMICA ACTA

Graphene as a new sorbent in analytical chemistry

(2013) Rafal Sitko et al.   TRAC-TRENDS IN ANALYTICAL CHEMISTRY

Differences between opioids: pharmacological, experimental, clinical and economical perspectives

(2012) Asbjørn M. Drewes et al.   BRITISH JOURNAL OF CLINICAL PHARMACOLOGY

Optimization of solvent bar microextraction combined with gas chromatography mass spectrometry for preconcentration and determination of tramadol in biological samples

(2012) Ensieh Ghasemi   JOURNAL OF CHROMATOGRAPHY A

On-line clean-up and determination of tramadol in human plasma and urine samples using molecularly imprinted monolithic column coupling with HPLC

(2012) Mehran Javanbakht et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Molecularly imprinted dispersive solid-phase microextraction for determination of sulfamethazine by capillary electrophoresis

(2012) Chen Chen et al.   MICROCHIMICA ACTA

Few-Layered Graphene Oxide Nanosheets As Superior Sorbents for Heavy Metal Ion Pollution Management

(2011) Guixia Zhao et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Rational design of heteropolyacid-based nanosorbent for hollow fiber solid phase microextraction of organophosphorus residues in hair samples

(2011) Mahmoud Ebrahimi et al.   JOURNAL OF CHROMATOGRAPHY A

Extraction and determination of opium alkaloids in urine samples using dispersive liquid–liquid microextraction followed by high-performance liquid chromatography

(2011) Mojtaba Shamsipur et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Three-phase hollow fiber liquid-phase microextraction based on two immiscible organic solvents for determination of tramadol in urine and plasma samples

(2011) Mahnaz Ghambarian et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Determination of tramadol and metabolites by HPLC-FL and HPLC–MS/MS in urine of dogs

(2010) G. Saccomanni et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Protocol for solid-phase microextraction method development

(2010) Sanja Risticevic et al.   Nature Protocols

ZnO nanorod array solid phase micro-extraction fiber coating: fabrication and extraction capability

(2009) Dan Wang et al.   NANOTECHNOLOGY

Liquid-phase microextraction

(2009) Ali Sarafraz-Yazdi et al.   TRAC-TRENDS IN ANALYTICAL CHEMISTRY