25位华人科学家新当选美国物理学会会士,关于举

报告题目:Strong attractions and repulsions mediated by monovalent salts报 告 人:李耀华博士报告时间:2019年1月9日下午15:00报告地点:华南软物质科学与技术高等研究院324报告厅分子科学与工程学院华南软物质科学与技术高等研究院材料科学与工程学院2019年1月2日报告摘要:Controlling interactions between proteins and nanoparticles in electrolyte solutions is crucial for advancing biological sciences and biotechnology. The assembly of charged nanoparticles and proteins in aqueous solutions can be directed by modifying the salt concentration. High concentrations of monovalent salt can induce the solubilization or crystallization of NPs and proteins. By using a multiscale coarse-grained molecular dynamics approach, we show that, due to ionic correlations in the electrolyte, NPs pairs at high monovalent salt concentrations interact via remarkably strong long-range attractions or repulsions, which can be split into three regimes depending on the surface charge densities of the NPs. NPs with zero-to-low surface charge densities interact via a long-range attraction that is stronger and has a similar range to the depletion attraction induced by polymers with radius of gyrations comparable to the NP diameter. On the other hand, moderately charged NPs with smooth surfaces as well as DNA-functionalized NPs with no possibility of hybridization between them interact via a strong repulsion of range and strength larger than the repulsion predicted by models that neglect ionic correlations, including the Derjaguin–Landau–Vervey–Overbeek model. Interactions between strongly charged NPs , both types smooth and DNA-functionalized NPs, show an attractive potential well at intermediate-to-high salt concentrations, which demonstrates that electrolytes can induce aggregation of strongly charged NPs. Our work provides an improved understanding of the role of ionic correlations in NP assembly and design rules to utilize the salting-out process to crystallize NPs.报告人简介:Yaohua Li obtains his bachelor’s degree of science from School of Physics, Nanjing University in 2015, with his thesis study on protein folding mechanics using single molecule force measuring technique. After his graduation from NJU, Yaohua joined the Applied Physics Program of Northwestern University, working in the group of Prof. Monica Olvera de la Cruz, who is an expert in polymer physics and soft matter. In 2017, Yaohua published his work titled Strong attractions and repulsions mediated by monovalent salts in PNAS with his advisor and co-workers. In this paper, he demonstrated that the strong ion correlations of monovalent ions at high concentrations could lead to unexpectedly strong attractive or repulsive interactions between Nano-scale objects. Since then, Yaohua has working on the self-assembly mechanism of charged proteins, as well as the role of dielectric interface on protein

报告题目:Membrane Technology for Clean Water

25位华人科学家新当选美国物理学会会士,关于举行美国西北大学李耀华博士学术报告的通知。近日,2010年美国物理学会会士增选揭晓。在2010年新当选的会士中,有25位华人科学家。美国物理学会成立于1899年,是世界第二大物理学组织,是一个非牟利科教组织,致力通过学术刊物、会议及推广活动,探究并弘扬物理学,在全球约有四万多会员。美国物理学会每年增选新会士,人数不超过其会员人数的千分之五。因其严格的遴选程序,其会士称号被视为物理学界的较高荣誉。以下为获奖华人及获奖原因:1.丁洪Ding, Hong Chinese Academy of SciencesCitation: For contributions to the understanding of strongly correlated materials, particularly the high-temperature superconductors.Nominated by: Condensed Matter Physics (DCMP)2.丁卫星 Ding, Weixing University of California, Los AngelesCitation: For seminal contributions to the measurement and understanding of magnetic fluctuation-induced transport, magnetic self-organization, and non-linear dynamics of laboratory plasmas.Nominated by: Plasma Physics (DPP)3.盖炜Gai, Wei Argonne National LaboratoryCitation: For his pioneering contributions to the wakefield acceleration of particle beams and his leadership in the development of high current electron beams for accelerator applications.Nominated by: Physics of Beams (DPB)4.江红星25位华人科学家新当选美国物理学会会士,关于举行美国西北大学李耀华博士学术报告的通知。 Jiang, Hongxing Texas Tech UniversityCitation: For his seminal works in the area of III-nitride wide bandgap semiconductors. In particular, for his significant contributions to the understanding of fundamental optical and defect properties and practical applications of III-nitrides and pioneering contributions to the field of nanophotonics.Nominated by: Materials Physics (DMP)5.Jin, Rongying Louisiana State UniversityCitation: For her significant contributions to materials physics, including science-driven materials development and pioneering studies of their underlying physics.Nominated by: Materials Physics (DMP)25位华人科学家新当选美国物理学会会士,关于举行美国西北大学李耀华博士学术报告的通知。6.Kiang, Ching-HwaRice UniversityCitation: For her work in experimental biological physics, especially for studying molecular interactions of nucleic acids and proteins using nanoscale probes, and for the discovery of single-walled carbon nanotubes.Nominated by: Biological Physics (DBP)7.Liu, AmyGeorgetown UnversityCitation: For her innovative and influential computational studies of the electronic, structural, and vibrational properties of solids, and of electron-phonon interactions, with applications to ultra-hard materials; high-pressure phases; fullerenes, nanotubes, and related compounds; and novel superconductors.、Nominated by: Computational Physics (DCOMP)8.Luo, Li-ShiOld Dominion UniversityCitation: For his seminal contributions to the theoretical understanding and applications of the lattice Boltzmann equation and other kinetic methods.Nominated by: Fluid Dynamics (DFD)9.马恩 Ma, En Johns Hopkins UniversityCitation: For pathbreaking research and outstanding publications on metastable, amorphous, and nanocrystalline metals and alloys, and international outreach in the metallic materials field.Nominated by: Materials Physics (DMP)10.Qian, HongUniversity of WashingtonCitation: For his original contributions to statistical non-equilibrium thermodynamics, particularly in connections to single-molecule fluctuations and the roles of energy and noise in living systems.Nominated by: Biological Physics (DBP)11.邱子强 Qiu, Zi Q. University of California, BerkeleyCitation: For outstanding experiments to understand the two-dimensional magnetic origin, anisotropy and quantum size effect in magnetic nanostructures, and for the development of novel approaches involving wedged samples, curved substrates and the Surface Magneto-Optic Kerr Effect.Nominated by: Magnetism Its Applications (GMAG)12.施安昌 Shi, Anchang McMaster UniversityCitation: For outstanding contributions to the theoretical study of phases and phase transitions of block copolymers.Nominated by: Polymer Physics (DPOLY)13.汤朝晖 Tang, Jau Academia SinicaCitation: For his contributions in elucidating the structure and the radical-pair mechanism of photosynthetic systems, photoinduced charge transfer and blinking in single nanocrystals, as well as in developing multi-quantum NMR and linear prediction filtering techniques, and for his work on nonblinking and less toxic nanostructures for biophotonics.Nominated by: Biological Physics (DBP)14.汤雷翰 Tang, Lei-Han Hong Kong Baptist UniversityCitation: For his pioneering contributions to statistical physics, especially in equilibrium and non-equilibrium critical phenomena and soft matter.Nominated by: Statistical Nonlinear Physics (GSNP)15.Tao, NJArizona State UniversityCitation: For pioneering and innovative contribution to the science and technology of molecular and nanoelectronics, electrochemical based nanofabrications, and chemical sensors.Nominated by: Industrial and Applied Physics (FIAP)16.童澎尔 Tong, Penger Hong Kong University of Science TechnologyCitation: For his insightful experiments to elucidate interesting new physics in turbulent thermal convection and soft matter systems, and his many contributions to the development of international research and education in experimental physics.Nominated by: International Physics (FIP)17.Wang, Fuqiang Purdue UniversityCitation: For his pioneering studies of jet-medium interactions in relativistic heavy ion collisions.Nominated by: Nuclear Physics (DNP)18.Wang, JinArgonne National LaboratoryCitation: For contributions tot he understanding of nanoparticle/polymer thin films and superlattices, and for the development of time-resolved X-ray methods for characterizing the structure of dense liquid sprays.Nominated by: Condensed Matter Physics (DCMP)19.Wang, JinSUNY-Stony BrookCitation: For his pioneering contributions to equilibrium and non-equilibrium biological physics, in protein folding, biomolecular recognition, single-molecule statistical fluctuations and cellular networks.Nominated by: Biological Physics (DBP)20.王循礼 Wang, Xun-Li Oak Ridge National LaboratoryCitation: For sustained contribution in neutron diffraction studies of structure, phase transformations, and mechanical behavior in materials and engineering systems and leadership in the design and construction of a versatile engineering diffractometer at the Spallation Neutron Source.Nominated by: Industrial and Applied Physics (FIAP)21.吴咏时 Wu, Yong-Shi University of UtahCitation: For his contributions to the mathematical foundations of quantum physics --- particularly for his work establishing profound connections between the physical laws and topology and geometry.Nominated by: Particles and Fields (DPF)22.夏克青 Xia, Keqing Chinese University of Hong KongCitation: For his tremendous contributions to our present experimental knowledge and understanding of turbulent Rayleigh-Benard convection.Nominated by: Fluid Dynamics (DFD)23.Xu, JingmingBrown UniversityCitation: For contributions to advances in industrial optoelectronics, sensor materials and bionanoelectronic.Nominated by: Industrial and Applied Physics (FIAP)24.许长补 Xu, Zhangbu Brookhaven National LaboratoryCitation: For major contributions in the study of high density nuclear matter at RHIC, especially the development of improved technologies for particle identification, and new techniques for the reconstruction of short-lived resonances culminating in the discovery of the heaviest known anti-nucleus, the anti-hypertriton.Nominated by: Nuclear Physics (DNP)25.周焕祥 Zhou, Huan-XiangFlorida State UniversityCitation: For his pioneering contributions to theoretical and computational biophysics, in particular by developing elegent theories and methods on protein-ligand binding and the effects of intracellular environment on biophysical properties of proteins.Nominated by: Biological Physics (DBP)更多阅读美国物理学会相关报道

附件:

报告内容1:Understanding Nanofiltration: A Molecular Separation with Nanometer Effects

报告内容2:Approaches to Prepare HF PVDF based MF, UF & NF Membranes for Clean Water

报 告 人:王晓琳 教授

报告时间:2018年1月9日下午3:00-5:00

报告地点:16号楼二楼214会议室

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