Results 31 to 40 of about 13,712 (179)

Experimental methods in chemical engineering: Atomic absorption spectrometry—AAS

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Elements absorb electromagnetic radiation (light) of a specific wavelength in proportion to the number of atoms in its path. As the atoms absorb this light energy, electrons rise from the ground state to an excited state. In atomic absorption spectrometry (AAS), high temperatures produce clouds of atoms from the sample (atomization) and ...
Emily Cintia Tossi de A. Costa, Jildimara de Jesus Santana, Viviane de Oliveira Campos, Felipe Fernandes Barbosa, Gregory S. Patience   +4 more
wiley   +1 more source

Capillary Zone Electrophoresis for the Analysis of Phenolic Preservatives in Plasma and Insulin Formulations Using Salting‐Out Assisted Liquid–Liquid Extraction

ELECTROPHORESIS, EarlyView.
A rapid and reliable SALLE–CZE–UV method was developed for the determination of phenolic preservatives in insulin formulations and human plasma. The approach provides efficient extraction, fast separation (< 6 min), and excellent sensitivity, precision, and recovery, meeting regulatory requirements for accurate quantification.
Meriem Dadouch, Yoann Ladner, Catherine Perrin   +2 more
wiley   +1 more source

Microextraction and Eco-Friendly Techniques Applied to Solid Matrices Followed by Chromatographic Analysis

Separations
In this review, a 5-year overview on environmentally friendly approaches for the extraction of the most relevant organic pollutants in soil, sediment, particulate matter, and sewage sludge coupled with chromatographic analysis is reported.
Attilio Naccarato, Rosangela Elliani, Antonio Tagarelli   +2 more
doaj   +1 more source

Comparative Effects of Three Microbial Starter Cultures on the Physicochemical and Sensory Quality of Fermented Sausages

Food Bioengineering, EarlyView.
ABSTRACT This study innovatively links specific microbial compositions of commercial starter cultures to the evolution of key odorant and taste‐active amino acids, revealing the underlying mechanisms behind distinct flavor profiles. Three microbial starter cultures—Saccharomyces cerevisiae (SC), Scarlet (ST), and Roxaane LC (LC), were added to sausages,
Lili Ji, Yi Luo, Rui Yang, Song Yang, Xiaoping Yu, Hongqian Zhang, Kun Liao, Jiamin Zhang   +7 more
wiley   +1 more source

Natural deep eutectic solvents and natural solid biosorbents in microextraction techniques of organic compounds based on chromatographic techniques: A critical review

Advances in Sample Preparation
Analytical chemistry has increasingly focused on the environmental impact of its methods, with significant attention given to green principles in sample preparation. Techniques like Solid-Phase Microextraction (SPME), Micro-Solid-Phase Extraction (µ-SPE),
Eduardo Carasek, Lucas Morés, Natan da Cunha, Guilherme Leal Branco, Adriana Neves Dias   +4 more
doaj   +1 more source

GC × GC‐TOF MS and Sensory Profiling of Aroma Compounds in Magnolia Species: Effects of Processing Methods on Volatile Retention in M. wufengensis

Flavour and Fragrance Journal, EarlyView.
The first comparative analysis of Magnolia scents reveals that M. wufengensis is characterised by a high aldehyde content, exhibiting a fresh, sweet, and fruity fragrance profile. Furthermore, freeze‐drying preserves 6.7 times more 2‐nonenal compared to shade‐drying, highlighting its superior efficacy in retaining key volatile compounds.
Xiaole Wang, Zhonghua Du, Lei Xu, Junjie Hu, Tao Xiong, Chiqing Chen, Lichun Ye, Zhaohua Shi   +7 more
wiley   +1 more source

Real‐time quality and safety monitoring of fruit juice using paper‐based platform

Food Biomacromolecules, EarlyView.
Schematic illustration of a paper‐based biosensor for rapid detection of fruit juice spoilage. Abstract Food spoilage and safety concerns still remain critically challenging within the fruit juice industry, especially as conventional detection methods, though precise, are often too time‐consuming, costly, and reliant on centralized laboratories.
Priti Das, Srushti Bhoite, Noopur Patil, Shubhro Chakrabartty, Debjani Dutta   +4 more
wiley   +1 more source

Optimization of extraction and identification of volatile compounds from Myrciaria floribunda

Revista Ciência Agronômica, 2021
The composition of the volatile profile of rumberry fruits (Myrciaria floribunda) was determined using solid- phase microextraction in headspace mode and gas chromatography, coupled with mass spectrometry.
Yesenia Mendoza García, Eurico Eduardo Pinto de Lemos, Rodinei Augusti, Júlio Onésio Ferreira Melo   +3 more
doaj   +1 more source

Analytical Approaches to Address Challenges in the Analysis of Cannabinoids in Vascular Matrices Using Mass Spectrometry

Mass Spectrometry Reviews, EarlyView.
ABSTRACT Phytocannabinoids are bioactive metabolites derived from the Cannabis sativa plant. They have garnered attention due to their recreational uses and therapeutic potential. Although various analytical strategies have been employed for their analysis, mass spectrometry (MS) coupled to chromatographic separation is superior due to its sensitivity ...
Radwa Mahmoud, Robert B. Laprairie, Anas El‐Aneed   +2 more
wiley   +1 more source

Applications of Microextraction Technology for the Analysis of Alcoholic Beverages Quality: Current Perspectives and Future Directions

Foods
Alcoholic beverages are loved by the majority of consumers because of their diverse characteristics and rich nutritional value; thus, ensuring their quality is necessary for maintaining the rapid development of the alcoholic beverage industry.
Yue Qiu, Qi Deng, Yongqing Zhang, Baoguo Sun, Wenxian Li, Wei Dong, Xiaotao Sun   +6 more
doaj   +1 more source