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Phytochemistry and Sonication: High-Efficiency Ultrasonic Extraction of Plant Bioactives
Phytochemistry is the science of plant-derived chemical compounds - from polyphenols, flavonoids and alkaloids to terpenes, saponins, glycosides, pigments, antioxidants and essential oil constituents. These phytochemicals are valuable for nutraceuticals, pharmaceuticals, cosmetics, food ingredients, natural colorants, fragrances, herbal extracts and…
https://www.hielscher.com/phytochemistry.htm
Sonikatioun erméiglecht eng nei Kontrollstuf an der Selbstassembléierung vu Cellulose-Nanokristaller
, Kathrin HielscherSonication holda the key to unlocking more reliable, scalable production of cellulose nanocrystal (CNC) materials. A new study reveals that sonication doesn’t just break up CNC clusters – it actively reshapes how these sustainable nanomaterials self-assemble into cholesteric liquid crystal structures responsible for brilliant structural color. By observing CNC ordering inside tiny evaporating droplets, researchers found that ultrasound can delay gelation, shift kinetic arrest, and tune the helical pitch evolution with remarkable precision. The findings highlight sonication as an industrially relevant processing lever for programming reproducible CNC-based photonic coatings and advanced bio-based materials at scale.
https://www.hielscher.com/sonication-enables-a-new-level-of-control-in-cellulose-nanocrystal-self-assembly.htm