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Iván Álvarez-Freire

universidade de santiago decompostela

H指数:17

被引数:812

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From vial to injector: Stability, degradation, and surface interactions of non-derivatized ecgonine methyl ester in GC–MS

从样品瓶到进样口：非衍生化可卡因甲酯在GC-MS中的稳定性、降解及表面相互作用

Journal of Chromatography B

IF0

2026-04-130

OAAI

Air-Assisted Liquid–Liquid Microextraction (AALLME) as an Alternative Sample Pre-Treatment for Isolating Tetrahydrocannabinol (THC) from Hair

气助液液微萃取（AALLME）作为从毛发中分离四氢大麻酚（THC）的替代样品预处理方法

Chemosensors 2025, Vol. 13, Page 207

IF3.7

2025-08-220

PRE

Ultrasound assisted membrane-assisted solvent extraction for the determination of antidepressants in pericardial fluid by gas chromatography-mass spectrometry

MICROCHEMICAL JOURNAL

IF5.1

2025-01-010

OAAI

Development and Validation of a Sonication-Assisted Dispersive Liquid-Liquid Microextraction Procedure and an HPLC-PDA Method for Quantitative Determination of Zolpidem in Human Plasma and Its Application to Forensic Samples

IF4.6

2024-05-241

OAAI

Evaluation of an Oral Fluid Collection Device and a Solid-Phase Extraction Method for the Determination of Coca Leaf Alkaloids by Gas Chromatography-Mass Spectrometry

口腔液体收集装置和固相萃取方法的评估，用于通过气相色谱-质谱法测定古柯叶生物碱

IF4.6

2024-01-250

OAAI

Ultrasound assisted membrane-assisted solvent extraction for the simultaneous assessment of some drugs involved in drug-facilitated sexual assaults by liquid chromatography-tandem mass spectrometry

JOURNAL OF CHROMATOGRAPHY A

IF4

2023-09-014

OAAI

Simple Method for the Determination of THC and THC-COOH in Human Postmortem Blood Samples by Gas Chromatography-Mass Spectrometry

IF4.6

2023-04-204

OAAI

Statistical Analysis of Toxicological Data of Victims of Traffic Accidents in Galicia (Spain)

加利西亚 (西班牙) 交通事故受害者毒理学数据的统计分析

PREVENTION SCIENCE

IF2.7

2023-02-090

OAAI

Quantitative determination of clozapine in plasma using an environmentally friendly technique

MICROCHEMICAL JOURNAL

IF5.1

2022-09-015

PRE

Determination of levetiracetam in plasma: Comparison of gas chromatography-mass spectrometry technique and Abbot® Architect system

MICROCHEMICAL JOURNAL

IF5.1

2021-01-014

PREAI

Duration of detection of cocaine and metabolites in hair after discontinuation of abuse

MICROCHEMICAL JOURNAL

IF5.1

2020-03-014

PREAI

The probability to detect cocaine, methylecgonine, cinnamoylcocaine, hygrine and cuscohygrine in urine samples of coca leaves chewers after six years

MICROCHEMICAL JOURNAL

IF5.1

2019-12-010

PREAI

Determination of benzodiazepines in pericardial fluid by gas chromatography-mass spectrometry

JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

IF3.1

2018-09-0119

PREAI

Solid phase microextraction and gas chromatography-mass spectrometry methods for residual solvent assessment in seized cocaine and heroin

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2016-07-125

PREAI

Optimization of ultrasound assisted dispersive liquid-liquid microextraction of six antidepressants in human plasma using experimental design

JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

IF3.1

2016-05-0153

PREAI

Determination of direct alcohol markers: a review

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2015-05-0370

PREAI

A new method for quantifying prenatal exposure to ethanol by microwave-assisted extraction (MAE) of meconium followed by gas chromatography-mass spectrometry (GC-MS)

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2012-06-0612

PREAI

Matrix solid-phase dispersion on column clean-up/pre-concentration as a novel approach for fast isolation of abuse drugs from human hair

JOURNAL OF CHROMATOGRAPHY A

IF4

2010-10-0131

PREAI

Experimental design for optimization of microwave-assisted extraction of benzodiazepines in human plasma

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2010-03-0532

OA

Microwave-assisted extraction: a simpler and faster method for the determination of ethyl glucuronide in hair by gas chromatography-mass spectrometry

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2008-12-1135

PREAI