Diffusing wave spectroscopy for the study of emulsions on-ground and in microgravity

IF 7.9 2区化学 Q1 CHEMISTRY, PHYSICAL

Current Opinion in Colloid & Interface Science Pub Date : 2025-02-01 DOI:10.1016/j.cocis.2024.101892

Davide Orsi , Valentina Lorusso , Marco Vaccari, Luigi Cristofolini

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Abstract

We review the approaches, both experimental and modelling, and the main results obtained recently in the investigation of emulsions by diffusing wave spectroscopy (DWS). DWS is a correlation spectroscopy based on the analysis of the time structure of the scattered light emerging from a laser-illuminated opaque sample. Such a noninvasive technique is well suited to the investigation of drop size distribution and drop dynamic in emulsions. This dynamic determines the evolution, and finally the fate, of emulsions. The results obtained in a laboratory are complemented by the very recent results obtained in microgravity (the condition of absence of weight obtained in orbit) onboard the International Space Station: mastering emulsions in such exotic conditions not only offers new insight into the basic physical phenomena but may also provide new enabling technologies to ensure comfortable living environments and safe foods to the astronauts engaged in long space flights.

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来源期刊

Current Opinion in Colloid & Interface Science 化学-物理化学

CiteScore

16.50

自引率

1.10%

发文量

审稿时长

11.3 weeks

期刊介绍： Current Opinion in Colloid and Interface Science (COCIS) is an international journal that focuses on the molecular and nanoscopic aspects of colloidal systems and interfaces in various scientific and technological fields. These include materials science, biologically-relevant systems, energy and environmental technologies, and industrial applications. Unlike primary journals, COCIS primarily serves as a guide for researchers, helping them navigate through the vast landscape of recently published literature. It critically analyzes the state of the art, identifies bottlenecks and unsolved issues, and proposes future developments. Moreover, COCIS emphasizes certain areas and papers that are considered particularly interesting and significant by the Editors and Section Editors. Its goal is to provide valuable insights and updates to the research community in these specialized areas.