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mdpi.com > 2076-16/18/3417 > 9053

Applied Sciences, Vol. 16, Pages 9053: Green Recovery of Phenolic-Rich Extracts from Pineapple Crowns Using Deep Eutectic Solvents: FTIR Characterization and Chemometric Optimization

2+ day, 9+ hour ago   (558+ words) This study presents an integrated green analytical strategy combining deep eutectic solvent (DES) screening, Fourier transform infrared spectroscopy (FTIR), principal component analysis (PCA), and Box–Behnken response surface optimization for the valorization of pineapple crowns, an underexplored agro-industrial by-product. An…...


mdpi.com > 2076-16/17/3417 > 8712

Applied Sciences, Vol. 16, Pages 8712: Effects of Mild Acid Immersion and Freeze–Thaw Cycling on P-Wave Velocity-UCS Relationships in Dolostone

1+ week, 6+ day ago   (514+ words) Accurate estimation of uniaxial compressive strength (UCS) is essential in geotechnical engineering, but conventional UCS testing is destructive and time-consuming. This study investigates the effects of mild acid exposure and freeze–thaw (F–T) cycling on the relationships between P-wave velocity…...


mdpi.com > 2076-16/17/3417 > 8687

Applied Sciences, Vol. 16, Pages 8687: Understanding Water Diffusivity in Ultrathin Polyamide Membranes Starting from the Molecular Level

2+ week, 2+ hour ago   (518+ words) Accurate relationships between water diffusivity and chemical–morphological characteristics of membranes are mandatory for membrane material optimizations. To meet this challenge, careful post-processing of previous extensive Molecular Dynamics (MD) simulations was performed in this work to obtain the distribution of…...


mdpi.com > 2076-16/17/3417 > 8444

Applied Sciences, Vol. 16, Pages 8444: Evaluation of Walnut Shell and Eucalyptus Bark Extracts as Natural Pretreatment Agents for Methylene Blue Removal from Synthetic Wastewater

2+ week, 6+ day ago   (468+ words) Dye-containing wastewater poses environmental risks and requires treatment alternatives that are based on renewable and low-cost materials. This study evaluated saline extracts obtained from walnut shells and eucalyptus bark as biocoagulants for apparent color removal from synthetic wastewater containing methylene…...


mdpi.com > 2076-16/17/3417 > 8356

Applied Sciences, Vol. 16, Pages 8356: Electrochemical Kinetics and Morphological Study of Iron Electrodeposition on a Glassy Carbon Electrode from an Ammonium Chloride-Based Electrolyte

3+ week, 2+ day ago   (383+ words) This work presents an electrochemical, kinetic, and morphological study of iron electrodeposition on a glassy carbon electrode from an ammonium chloride-based electrolyte containing 0.01 M FeCl2 and 0.1 M NH4Cl at pH 6.0. Thermodynamic analysis identified [Fe(H2O)6]2+ as the predominant Fe(II) species under the investigated…...


mdpi.com > 2076-16/16/3417 > 8226

Applied Sciences, Vol. 16, Pages 8226: Pyrotechnic Oxidizer Chemistry: Study-Normalized Performance Comparison and Bibliometric Mapping

3+ week, 6+ day ago   (400+ words) Modern pyrotechnic materials are evolving from conventional fuel–oxidizer mixtures toward function-oriented energetic systems designed for controlled ignition, light emission, gas generation, pressure output and thermal response. This review analyzes recent progress in pyrotechnic materials through oxidizer chemistry, thermal and…...