Results 21 to 30 of about 7,654,949 (307)

Vacuum-assisted headspace solid-phase microextraction and gas chromatography coupled to mass spectrometry applied to source rock analysis

Advances in Sample Preparation, 2022
Vacuum-assisted headspace solid phase microextraction (Vac-HSSPME) with high temperature of extraction was used for source-rock analysis. Optimization of extraction conditions was performed by Doehlert experimental design (DD) in gas chromatography ...
Breno J. Pollo, Katherine L. Romero-Orejón, Anita J. Marsaioli, Paulo T.V. Rosa, Fabio Augusto   +4 more
doaj   +1 more source

Application of solid-phase microextraction in atomic spectrometry

Advances in Sample Preparation, 2022
With the growing requirements for the monitoring of heavy metals at an ultra-trace level in the environment and the real-time detection of toxic elements and their compounds for environmental pollution accidents, researchers devoted significant efforts ...
Yubin Su, Tian Ren, Yao Lin, Chengbin Zheng   +3 more
doaj   +1 more source

An efficient configuration for simultaneous electromembrane extraction of acidic and basic drugs on a chip

Advances in Sample Preparation, 2022
In the present study, a new chip was designed for simultaneous electromembrane extraction (EME) of acidic and basic analytes. The method followed by the HPLC-UV analysis, was used for simultaneous extraction and determination of trace amounts of target ...
Zohre Hashemlou, Yadollah Yamini, Monireh Karami   +2 more
doaj   +1 more source

A comprehensive review on the use of microextraction techniques in the analysis of cosmetic products

Advances in Sample Preparation, 2022
Microextraction techniques have gained special relevance since their appearance in the 90s, and the analysis of cosmetic products has not been immune to this trend.
Lorenza Schettino, Guillem Peris-Pastor, Juan L. Benedé, Alberto Chisvert   +3 more
doaj   +1 more source

Sample preparation for water analysis

, 2022
S.721 ...
Levsen, K.
core   +1 more source

A Tutorial on AGREEprep an Analytical Greenness Metric for Sample Preparation

Advances in Sample Preparation, 2022
Sample preparation is a key step in the analytical procedure and a critical component for achieving analytical greenness. AGREEprep is the first metric intended for evaluating the environmental impact of sample preparation methods.
Francisco Pena-Pereira, Marek Tobiszewski, Wojciech Wojnowski, Elefteria Psillakis   +3 more
doaj   +1 more source

Pipette tip-electrospray mass spectrometry for determining opioids in urine, from on-site micro-handling to high-throughput centrifugal microextraction

Advances in Sample Preparation
Pipette tip-electrospray is a useful technique that synergically combines sample preparation and ambient ionization mass spectrometry for the rapid analysis of samples.
Jaime Millán-Santiago, Rafael Lucena, Soledad Cárdenas   +2 more
doaj   +1 more source

Sample preparation for nanoanalytical electron microscopy using the FIB lift-out method and low energy ion milling [PDF]

, 2006
Thinning specimens to electron transparency for electron microscopy analysis can be done by conventional (2 - 4 kV) argon ion milling or focused ion beam (FIB) lift-out techniques.
Smith, W., MacKenzie, M., Docherty, F.T., Miller, B., Scott, J., Collins, C.L., Craven, A.J.   +6 more
core   +1 more source

Chicken egg white coated paper, a sustainable mixed-mode cationic exchange biocomposite to extract antidepressants from saliva samples prior to their determination by direct infusion mass spectrometry

Advances in Sample Preparation
Proteinaceous materials are useful precursors for preparing sustainable and cost-effective sorptive phases. Among them, chicken egg white is an excellent alternative, serving as a source of ovalbumin that can be used as a biosorbent. In this article, the
Ana M. Pedraza-Soto, Rafael Lucena, Soledad Cárdenas   +2 more
doaj   +1 more source

Rock Sample Surface Preparation Influences Thermal Infrared Spectra

, 2020
Data of Rost, E.; Hecker, C.; Schodlok, M.C.; Van der Meer, F.D. Rock Sample Surface Preparation Influences Thermal Infrared Spectra.
Rost, MSc E (Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente) ORCID=0000-0003-3016-0016
core   +1 more source