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Mostrando ítems 11-20 de 702
Fingerprinting Cynara scolymus L. (Artichoke) by Means of a Green Statistically Developed HPLC-PAD Method
(2018-07-01)
The process to develop a chromatographic method for fingerprinting complex matrices should be performed through a multiparameter approach that could lead to the desired separation and save environmental resources such as ...
CURRENT STATUS, TRENDS AND CHALLENGES ON ANALYTICAL CHEMISTRY IN BRAZIL
(Soc Brasileira Quimica, 2017-07-01)
This work describes the development of Analytical Chemistry in Brazil from the Brazilian Chemical Society (SBQ) foundation to the present days. Important historical facts were highlighted and data on the human resources ...
Green Chemistry Metrics
(Elsevier, 2021)
Reliable quantitative tools have been proposed to evaluate and compare the sustainability of processes during the last decades. Metrics in green chemistry allows the possibility to compare different methods and critically ...
Eco-friendly and inexpensive food grade bioethanol for Eugenia uniflora L. chromatographic fingerprinting: A trade-off between separation and sustainability
(2021-06-01)
In this work, we developed a green HPLC-PAD method to fingerprint Eugenia uniflora L. leaves by employing Design of Experiments with inexpensive food grade bioethanol as mobile-phase organic modifier aiming to cover Green ...
Status of Rifaximin: A Review of Characteristics, Uses and Analytical Methods
(2018-11-02)
Rifaximin, an oral antimicrobial, has many advantages because it is selective intestine, has minimal adverse effects and is used for the treatment of some diseases such as hepatic encephalopathy, irritable bowel syndrome, ...
A Simple and Green Analytical Method for the Determination of Formaldehyde
(Soc Brasileira Quimica, 2014)
Natural deep eutectic solvents as the major mobile phase components in high-performance liquid chromatography—searching for alternatives to organic solvents
(2018-06-01)
Over the past six decades, acetonitrile (ACN) has been the most employed organic modifier in reversed-phase high-performance liquid chromatography (RP-HPLC), followed by methanol (MeOH). However, from the growing environmental ...
Natural deep eutectic solvents-mediated extractions: The way forward for sustainable analytical developments
(Elsevier Science, 2018-12)
The concept of sustainable development has impacted in analytical chemistry changing the way of thinking processes and methods. It is important for analytical chemists to consider how sample preparation can integrate the ...
Green nanomaterials fostering agrifood sustainability
(Elsevier, 2020-04-30)
The application of nanotechnologies to the agrifood sector provides one of the innovative tools able to support change in a system that, through its intensification and industrialization, currently fails both humans and ...
An efficient, fast, and green procedure to quantify α- and β-acids and xanthohumol in hops and their derived products
(2022-03-30)
The main precursors of bitter principles of beer are α-acids, followed by β-acids. Determination of their content in hop cones and their derivatives is an essential part of brewing. HPLC-UV is the preferred technique when ...