Results 201 to 210 of about 14,900 (257)
Different pretreatments significantly affected the drying kinetics and quality attributes of vacuum‐dried red beetroot snacks. Microwave pretreatment markedly shortened the drying time and enhanced effective moisture diffusivity, while ultrasound pretreatment preserved the highest betalain content.
Nuray İnan‐Çınkır
wiley +1 more source
Effect of thermosonication on the UHPLC‐QTOF‐IMS‐based metabolomic profile of orange juice
Abstract Background This study investigated the impact of thermosonication on the metabolomic profile of orange juice to understand processing‐induced alterations in bioactive compounds and quality attributes. Results Moderate thermosonication at 45°C preserved structural siloxanes and certain amino acids, whereas higher temperatures between 60 and 75 ...
Deepti Kothari +4 more
wiley +1 more source
Ultrasound‐Assisted Epoxy Resin Curing Monitored by Impedance Spectroscopy
Ultrasound enhances epoxy cure rates via localized heating without altering cure kinetics. Impedance spectroscopy provides a direct, non‐destructive measure of cure progression, enabling accurate mapping of degree of cure in real time. ABSTRACT Epoxy resins are widely used in aerospace and automotive manufacturing as structural adhesives and matrices ...
Daniel Csehngeri +2 more
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Post‐polymerization modification of poly(tetrazine‐co‐fluorene) conjugated polymer via an inverse‐electron‐demand Diels‐Alder reaction (IEDDA) introduces hydroxyl initiators that enable surface‐initiated ring‐opening polymerization (ROP) of lactide.
Shagana Kukendran, Alex Adronov
wiley +1 more source
ABSTRACT Esophageal cancer is the seventh leading cause of cancer death, and the energy depletion in cancer cells can be achieved through synergistic therapy. The integration of sonodynamic therapy and chemotherapy offers a promising comprehensive treatment strategy for esophageal cancer.
Mengya Li +4 more
wiley +1 more source
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Selective Ultrasonic Cavitation on Patterned Hydrophobic Surfaces
Angewandte Chemie - International Edition, 2010Ultrasound can create cavitation bubbles that upon collapse cause extreme temperatures and pressures. Sonochemistry therefore carries much promise as an environmentally friendly method to carry out chemical processes at ultrahigh temperatures (ca. 5000 K), and pressures (ca. 1000 atm), but with a reactor at near-ambient conditions.
Dmitry Gorin, Dmitry Shchukin
exaly +4 more sources
Ultrasonic cavitation in microspace
Chemical Communications, 2004Ultrasound was irradiated to a micro-1D and -2D space having a characteristic length of 200 microm, and the presence of cavitation was confirmed from video images, and the generation of OH radicals, which was quantitatively evaluated with fluorometry.
Yasuo, Iida +4 more
openaire +2 more sources
Ultrasonic Cavitation at Solid Surfaces
Advanced Materials, 2011AbstractIn spite of the great potential of applying high‐intensity ultrasound, which enables high‐temperature and high‐pressure chemistry with a reactor near room temperature and ambient pressure, sonochemistry at solid surfaces is at a weak stage of understanding with regards to the development of new materials and composite nanostructures.
Shchukin, D. +3 more
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Cavitation dynamics and flow aggressiveness in ultrasonic cavitation erosion
International Journal of Mechanical Sciences, 2021Abstract The mechanisms of cavitation erosion have been the subject of numerous studies, but the cavitation dynamics and flow aggressiveness thereby produced are less known. We develop a new numerical model to capture the cavity evolution and pressure pulsation, which are related to cavitation erosion.
Jianhua Du, Fengjun Chen
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Ultrasonic cavitation for disruption of microalgae
Bioresource Technology, 2015Challenges with mid-stream fractionation steps in proposed microalgae biofuel pathways arise from the typically dilute cell density in growth media, micron scale cell sizes, and often durable cell walls. For microalgae to be a sustainable source of biofuels and co-products, efficient fractionation by some method will be necessary.
Justin M, Greenly, Jefferson W, Tester
openaire +2 more sources

