Results 271 to 280 of about 721,337 (349)

Novel approaches for colorimetric measurements in analytical chemistry - A review.

Analytica Chimica Acta, 2020
Colorimetric techniques have been developed and used in routine analyses for over a century and apparently all their potentialities have been exhaustively explored.
G. M. Fernandes, W. Silva, D. Barreto, R. S. Lamarca, Paulo Clairmont F. Lima Gomes, João Flávio da S Petruci, A. Batista   +6 more
semanticscholar   +1 more source

Analytical Techniques for the Preservation of Cultural Heritage: Frontiers in Knowledge and Application

Critical reviews in analytical chemistry, 2021
Chemistry is considered as the heart of preservation science. The archaeological objects are an organic-inorganic system and need comprehensive techniques to investigate the different materials with a high resolution and accuracy.
Mina Magdy
semanticscholar   +1 more source

Reaction-based Luminescent Probes for Reactive Sulfur, Oxygen, and Nitrogen Species: Analytical Techniques and Recent Progress.

Analytical Chemistry, 2020
Gasotransmitters and related reactive sulfur, oxygen, and nitrogen species such as nitric oxide (NO), hydrogen sul-fide (H2S), carbon monoxide (CO), hydrogen peroxide (H2O2) and downstream products like peroxynitrite (ONOO-), polysulfides (HSnH ...
Briley J Bezner, L. S. Ryan, Alexander R. Lippert   +2 more
semanticscholar   +1 more source

Deep eutectic solvents. The new generation of green solvents in analytical chemistry

, 2020
The incessant effort to perform a more sustainable chemistry has brought about the development of new materials that accomplish the principles of the green chemistry. In this context, deep eutectic solvents (DESs) have surged as one of the most promising
Á. Santana-Mayor, R. Rodríguez-Ramos, A. Herrera‐Herrera, B. Socas-Rodríguez, M. Rodríguez-Delgado   +4 more
semanticscholar   +1 more source

Applications of single-drop microextraction in analytical chemistry: A review

, 2020
Single-drop microextraction (SDME) has been recognized as one of the simple miniaturized sample preparation tools for the isolation and preconcentration of several analytes from a complex sample matrix.
S. K. Kailasa, J. R. Koduru, T. Park, R. Singhal, Hui-Fen Wu   +4 more
semanticscholar   +1 more source

Heterocyclic aromatic amines in cooked food: A review on formation, health risk-toxicology and their analytical techniques.

Food Chemistry, 2019
Heterocyclic aromatic amines (HAAs) are defined as a major class of poisonous compounds formed from proteinaceous foods during heat processing and flavour-forming.
F. Barzegar, M. Kamankesh, Abdorreza Mohammadi   +2 more
semanticscholar   +1 more source

Application of microwave techniques in analytical chemistry

TrAC Trends in Analytical Chemistry, 1999
Abstract The latest developments in the application of microwave techniques to analytical chemistry are reviewed. Some applications of microwave techniques to sample digestion, solvent extraction, sample drying, the measurement of moisture, analyte desorption and adsorption, sample clean-up, chromogenic reaction, speciation and nebulization of ...
Qinhan Jin, Feng Liang, Hanqi Zhang, Liwei Zhao, Yanfu Huan, null Daqian Song   +5 more
openaire   +1 more source

Switchable hydrophilicity solvents in analytical chemistry. Five years of achievements

, 2020
Switchable hydrophilicity solvents (SHS) began being used in analytical chemistry only in 2015, although they have been known for a long time in chemistry and technology.
Y. Bazel, M. Rečlo, Yevhen Chubirka
semanticscholar   +1 more source

Violet Innovation Grade Index (VIGI): A New Survey-Based Metric for Evaluating Innovation in Analytical Methods

Analytical Chemistry
The violet innovation grade index (VIGI) is a pioneering metric designed to evaluate the degree of innovation in analytical methods. This study introduces the VIGI tool (https://bit.ly/VIGItool) and demonstrates its application in assessing the ...
Adrián Fuente-Ballesteros, Víctor Martínez-Martínez, A. M. Ares, Silvia Valverde, V. Samanidou, José Bernal   +5 more
semanticscholar   +1 more source

Simultaneous optimization of multiple responses and its application in Analytical Chemistry - A review.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2019
This manuscript covers the application of the main techniques for simultaneous optimization of multiple responses generated by the application of multivariate designs (two-factor factorial, Central Composite, Doehlert, etc.) or by chromatographic runs in
M. Bezerra, S. Ferreira, C. Novaes, A. D. dos Santos, G. S. Valasques, Uillian Mozart Ferreira da Mata Cerqueira, Juscelia Pereira dos Santos Alves   +6 more
semanticscholar   +1 more source