Introduction
This thematic issue is dedicated to the cutting edge of Analytical Chemistry, focusing on the development and application of advanced methodologies to solve intricate problems across various chemical domains. The core challenge in modern analysis is the accurate, sensitive, and rapid characterization of complex matrices, ranging from biological fluids and environmental samples to novel materials and industrial products. Contributions highlight innovations in separation science (e.g., ultra-high-performance liquid chromatography and multi-dimensional gas chromatography), the evolution of mass spectrometry (e.g., high-resolution and ambient ionization techniques), and the integration of spectroscopy (e.g., NMR, IR, and Raman) with machine learning for data interpretation. A major focus is the move towards miniaturization, on-site analysis, and the development of chemometric tools to handle the vast, multidimensional data generated. The ultimate goal is to enhance our capacity for qualitative and quantitative analysis, enabling breakthroughs in areas like personalized medicine, food safety, and environmental monitoring.
Keywords
Analytical Chemistry, Separation Science, Mass Spectrometry (MS), Spectroscopy, Chemometrics, Miniaturization, Complex Matrices
Sub-topics
<div><span style="font-size: 12px;"><br></span></div><div><span style="font-size: 12px;">• Hyphenated and Multi-Dimensional Separation Techniques</span></div><div><span style="font-size: 12px;">• Advanced Mass Spectrometry Innovations</span></div><div><span style="font-size: 12px;">• Spectroscopic Methods and Chemometrics Integration</span></div><div><span style="font-size: 12px;">• Miniaturization and Point-of-Care/On-Site Analysis</span></div><div><span style="font-size: 12px;">• Data Processing, AI, and Chemometrics</span></div><div><span style="font-size: 12px;">• Analytical Methodologies for Specific Complex Systems</span></div><div><br></div>