Results 21 to 30 of about 13,319,037 (325)

Sample Preparation and Analytical Techniques in the Determination of Trace Elements in Food: A Review

Foods, 2023
Every human being needs around 20 essential elements to maintain proper physiological processes. However, trace elements are classified as beneficial, essential, or toxic for living organisms. Some trace elements are considered essential elements for the
Leina El Hosry, Nicolas Sok, Rosalie Richa, Layal Al Mashtoub, P. Cayot, Elias Bou-Maroun   +5 more
semanticscholar   +1 more source

In Search of a Universal Method: A Comparative Survey of Bottom-Up Proteomics Sample Preparation Methods

bioRxiv, 2022
Robust, efficient and reproducible protein extraction and sample processing is a key step for bottom-up proteomics analyses. While many sample preparation protocols for mass spectrometry have been described, selecting an appropriate method remains ...
Gina Varnavides, Moritz Madern, D. Anrather, Natascha Hartl, Wolfgang Reiter, Markus Hartl   +5 more
semanticscholar   +1 more source

Fourier Transform Infrared (FTIR) Spectroscopic Analyses of Microbiological Samples and Biogenic Selenium Nanoparticles of Microbial Origin: Sample Preparation Effects

Molecules, 2021
To demonstrate the importance of sample preparation used in Fourier transform infrared (FTIR) spectroscopy of microbiological materials, bacterial biomass samples with and without grinding and after different drying periods (1.5–23 h at 45 °C), as well ...
A. Kamnev, Yulia A. Dyatlova, O. A. Kenzhegulov, A. Vladimirova, Polina V. Mamchenkova, A. Tugarova   +5 more
semanticscholar   +1 more source

Fabric Phase Sorptive Extraction: A Paradigm Shift Approach in Analytical and Bioanalytical Sample Preparation

Molecules, 2021
Fabric phase sorptive extraction (FPSE) is an evolutionary sample preparation approach which was introduced in 2014, meeting all green analytical chemistry (GAC) requirements by implementing a natural or synthetic permeable and flexible fabric substrate ...
A. Kabir, V. Samanidou
semanticscholar   +1 more source

In-tube gel electro-membrane combined with microfluidic paper-based device: A green and miniaturized extraction mode for the chromium speciation

Advances in Sample Preparation, 2022
For the first time, in-tube gel electro-membrane microextraction (IT-G-EME) system followed by microfluidic paper-based analytical devices (µPADs) as a low-cost reading platform was fabricated for the speciation of trivalent chromium (Cr(III)) and ...
Hadi Tabani, Thidarat Samkumpim, Waleed Alahmad, Farzaneh Dorabadizare, Pakorn Varanusupakul   +4 more
doaj   +1 more source

Synthesis and modification of MIL-101-NH2-based metal organic frameworks for preparation of SPME fibers using sol-gel methodology

Advances in Sample Preparation, 2023
Implementation of metal-organic frameworks (MOFs) in the separation science is attractive for many researchers, nowadays. In this study, three MOFs were synthesized and employed as extractive coating fibers.
Hasan Javanmardi, Mahsa Doosti, Alireza Abbasi, Habib Bagheri   +3 more
doaj   +1 more source

Quality by design approach with design of experiment for sample preparation techniques

Advances in Sample Preparation, 2023
The quality by design (QbD) based approach has begun to be embedded in various method development. Studies show that with the design of experiment tool, the analysis process has become more efficient, faster, and easier.
Saniye Özcan, Serkan Levent, Nafiz Öncü Can   +2 more
doaj   +1 more source

Efficient analysis of polycyclic aromatic hydrocarbons by dispersive-µ-solid-phase extraction using silica-based nanostructured sorbent phases coupled to gas chromatography-mass spectrometry

Advances in Sample Preparation, 2023
In this study, SBA-15 mesoporous silica has been investigated as sorbent phase for the extraction and determination of 10 polycyclic aromatic hydrocarbons (PAHs) in environmental water samples for the first time. The extraction step was performed through
Camila Scheid, Wendell Mello, Silvio Buchner, Edilson Valmir Benvenutti, Monique Deon, Josias Merib   +5 more
doaj   +1 more source

Green molecularly imprinted polymers for sustainable sample preparation.

Journal of Separation Science, 2021
The use of molecularly imprinted polymers in sample preparation as selective sorbent materials has received a great attention during last years leading to analytical methods with an unprecedented selectivity.
A. Martín‐Esteban
semanticscholar   +1 more source

Influence of double solution treatment on hardness in 17-4 pH steel

Zaštita Materijala, 2015
The investigated material is a corrosion-resistant, Cu precipitation hardened steel 17-4PH, which undergoes a macroscopic contraction, as a result of applying the following heat treatment: double solution treatment at 1028°C for 1 h (condition A), ageing
Roman Sowa, Wojtan Magdalena Parlinska, Sebastian Arabasz, Andrzej Dziedzic, Irena Dul   +4 more
doaj   +1 more source