Dr. Enbo Xu, Associate Researcher
College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
Biography: Dr. Enbo Xu is an Associate Research Fellow at Zhejiang University, and the sub-dean of Food Science and Nutrition Department. He completed his Ph.D. at Jiangnan University for the study of thermomechanical extrusion technology, and has worked at Purdue University for being engaged in the research of novel biomaterials via mechanical engineering. He focuses on the design of food structure and the development of complex functional foods including starch science, special nutritional probiotics, nanotechnology, extrusion and 3D printing and cell culture meat scaffolds. He has published more than 90 papers, and more than 10 patents have been granted. Here is his introduction website of https://person.zju.edu.cn/0019182.
Topic: Structural Design and Functionalization of Polymorphic Nanostarch
Abstract: Nanoscale biomaterials have aroused great interest owing to their high biocompatibility, easy availability, small size and large specific surface area. Starch as an edible, biosafe, and functional biopolymer, has been tailored at nanoscale to be used as functional additives in wastewater treatment, emulsion stabilizer, packaging component, and the delivery of bioactive guests. Nanostarches fabricated in various morphologies including nanosphere, nanorod, nanoworm, nanovesicle, nanopolyhedron, nanoflake, nanonetwork, etc., enable them to have a high reactive action due to structural particularity and green modification. It improves the bioavailability of bioactive guests by different assembly approaches of carrier/guest surface combination, guest@carrier embedment and nanostarch-mediated encapsulation. Nanostarch-based carriers improve the functionality of bioactives both in-vitro and in-vivo. We focus on the merits of starch empowered by nanoscale for delivery system, based on the assembly strategies and corresponding properties of nanostarch-based carrier. Nanostarch effectively captures bioactives on the surface and/or inside core to form tight complexes, which maintains their stability in the human microenvironment. Targeted release of delivery systems is stimulated by the environment conditions based on the complex structure of nanostarch loaded with bioactives.
Dr. Xinbo Wang, Professor
School of Environmental Science and Engineering, Shandong University, Qingdao, China
Biography: Dr. Xinbo Wang is the distinguished Qilu professor of School of Environmental Science and Engineering, Shandong University. He has mainly engaged in the research on the structure, performance and application of organic porous materials, and has carried out a series of achievements in the purification of environmental pollutants, capture and utilization of carbon dioxide, upgrading of natural gas, chemical hydrogen storage/desorption, waste heat recovery, etc., with the aim to solve the bottleneck problems in resource recovery and environmental purification materials.
Topic: Chiral Polymers of Intrinsic Microporosity with Circularly Polarized Luminescence
Abstract: Polymers with intrinsic microporosity (PIMs) have recently received increasing interest in the fields of gas separation, sensors, catalysts, and so on due to their high microporosity and good solution processibility. However, PIMs with chiral backbones are quite limited, which undoubtedly hindered their applications in many areas such as chiral separation and optoelectronic. Herein, the catalytic enantioselective synthesis of a novel cyclohexyl-fused spirobiindane-based chiral PIM is described. This novel polymer exhibits high intrinsical microporosity (SBET = 796 m2 g-1), solubility, and good film formability. Its macroscopic chirality of twist-bend structure was confirmed by circular dichroism. More interestingly, circularly polarized luminescence (CPL) was observed for the first time in PIMs, also to our best knowledge the first non-conjugated porous CPL polymer, opening the door to explore new research fields of PIM materials, as well as providing new guidance for CPL polymer design.
Dr. Xiangwei Zhao, Professor
School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
Biography: Dr. Xiangwei Zhao is a professor of State Key Laboratory of Bioelectronics, Southeast University. He graduated from Zhejiang University with PhD degree in 2006 and then joined Southeast University. He has been a visiting scholar at Osaka University (2008), Michigan University Ann Arbor (2011), University of Illinois Urbana-Champaign (2011) and Harvard University (2013). His research focuses on biomedical detection and analysis, including nanophotonics, spatial transcriptomics, POCT, etc.
Topic: Photonics in Bioanalysis -- From Micro to Nano
Abstract: The interaction of light and matter are accompanied by novel physical phenomena, which enables vast photonic tools for bioanalysis. In this talk, I will address how to control the light matter interaction from mico to nano scale by photonic crystal and plasmonic structures for biosensing, biodetection and biomanipulations. It is shown that high sensitive biosensing of molecules and cells could be realized for convenient and rapid point of care testing (POCT). Also, single cell could be manipulated by the photothermal effects of surface plasmons and wide potential biomedical applications are anticipated.