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美国康奈尔大学食品科学系食品化学和成分技术助理教授Alireza Abbaspourrad学术报告


报告题目:Microfluidics: Engineering Structural Emulsions and Encapsulation of Bioactives



报告人:Alireza Abbaspourrad



Bio: My first post-doctoral training was on fabrication of micro and nanoparticles at University of Campinas in Brazil in 2008. At the end of 2009 (2009-2015) I joined Prof. David Weitz’s group at the School of Engineering and Applied Sciences at Harvard University where I studied fabrication of functional materials at interfaces, structural emulsions, encapsulation of ingredients and controlled release systems using drop-based microfluidics as well as conventional microencapsulation techniques. Currently, I am Assistant Professor of Food Chemistry and Ingredient Technology at Cornell University, Department of Food Science (2015-present). I lead a group of 42 Ph.D. and Post-Doctoral scientists and I am co-author of 126 peer-reviewed publication and 19 provisional/granted patents.


Abstract: In the first part of my talk, I will focus on using emulsion drops generated in microfluidics as templates to fabricate functional polymeric microcapsules and microparticles that respond to a range of environmental stimuli in prescribed ways. In addition, taking advantage of material behaviors at liquid-liquid interfaces enables engineering complex soft materials and encapsulating a wide variety of actives including colorants, vitamins and biocides. I will discuss few examples of encapsulation and triggered-release systems developed for different applications including chemical, pharmaceutical, and food industry. In the second part of my presentation, I will demonstrate how we can utilize different geometries and fluid mechanics in microfluidic channels for detection, and collection of biological samples such as small molecules and bacteria in liquids, study antibacterial resistance, and separate motile sperm in semen samples for in vitro fertilization application (IVF). Finally, I will share with you our microfluidics-based 3D-Gut-on-a-Chip device and bioreactors designed for screening bioavailability and toxicity of different ingredients.








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