Osaka

CC BY

In the field of Analytical Chemistry and, in particular, whenever a quali-quantitative analysis is required, until a few years ago, reference was made exclusively to instrumental methods (more or less hyphenated) which, once validated, were able to provide the answers to the questions present, even if only in a limited way to analytical targets. Nowadays, the landscape has become considerably complicated (natural adulterants, assessment of geographical origin, sophistication, need for non-destructive analysis, search for often unknown compounds), and new procedures for processing data have greatly increased the potential of analyses that are conducted (even routinely) in the laboratory. In this scenario, chemometrics is master, able to manage and process a huge amount of information based both on data relating only to the analytes of interest, but also by applying “general” procedures to process raw untargeted analysis data. It is within this strand of analysis that many of the works reported in this Special Issue fall. In the succession of works in this printed version, the criterion that guided us was to highlight how—starting exclusively from chromatographic techniques (HPLC and GC) with conventional detectors and moving to exclusively spectroscopic techniques (MS, FT-IR and Raman)—it is possible arrive at extremely powerful coupled techniques and procedures (HPLC and FT-IR) able to meet research needs. Finally, at the end of the printed volume, there are two reviews that surveying the state of the art regarding the assessment of authenticity through qualitative analyses and the application of chemometrics in the pharmaceutical field in the study of forced drug degradation products. From the succession of works (and, above all, from the various application fields) it can immediately be seen how the application of chemometrics and its procedures to both raw and processed data is a powerful means of obtaining robust, reproducible, and predictive information. In this manner, it is possible to create models able to explain and respond to the original problem in a much more detailed way. , and Honghe through Fourier transform mid infrared (FT-MIR) spectra combined with partial least squares discriminant analysis (PLS-DA), random forest (RF), and hierarchical cluster analysis (HCA) methods. Melucci and collaborators apply chemometric approaches to non-destructive analysis of ATR-FT-IR for the determination of biosilica content. This value was directly evaluated in sediment samples, without any chemical alteration, using attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy, and the quantification was performed by combining the multivariate standard addition method (MSAM) with the net analyte signal (NAS) procedure to solve the strong matrix effect of sediment samples. Still in the food and food supplements field, Anguebes-Franseschi and collaborators report an article where 10 chemometric models based on Raman spectroscopy were applied to predict the physicochemical properties of honey produced in the state of Campeche, Mexico.

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Sharvari Rale

Organic coatings are primarily used to prevent corrosion and provide long-lasting protection to the metal surfaces. This has resulted in its adoption across various industries including oil & gas, automotive, energy production, electrical, and building and construction. In addition to this, the growing adoption of organic coatings to improve durability and surface stability continues to drive the market demand. Get Sample Copy of Organic Coatings Market: https://www.fairfieldmarketresearch.com/report/organic-coatings-market/request-sample

Universitários do Curso de Psicoloiga

Emprego, Trabalho e Profissão/práticas, Realidades do Mercado e Carreiras” Projeto de Extensão – Empregabilidade abril/2025

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William Craft

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Ellen Craft and William Craft were slaves from Macon, Georgia who escaped to the North in December 1848 by traveling openly by train and steamboat, arriving in Philadelphia on Christmas Day. She posed as a white male planter and he as her personal servant. Their daring escape was widely publicized, making them among the most famous of fugitive slaves.

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Emily Cooper

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Elisha Noyce

PD-US

CC BY

This book provides a first-of-its-kind review and analysis of benefit sharing frameworks between extractive industries and Indigenous and local communities in different parts of the Arctic. The authors describe a wealth of case studies in order to examine predominant practices, policies, arrangements, mechanisms and impact assessment methodologies. They also discuss possible ways to improve and advance existing benefit sharing regimes, in order to attain fair and equitable benefit sharing and support sustainable development. Among the topics covered in the book are corporate social responsibility and social license to operate, principles and methodologies of determining compensation, legal and informal frameworks of benefit sharing, community response to extractive activities, and global-to-local linkages that shape benefit sharing processes. The book will be of interest to academics, industry experts, legal specialists, policymakers, community members concerned with industrial activities, and anyone interested in sustainable development in the Arctic.