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浙江大学生命科学研究院2022年4月7日陆华松实验室在Nature Cell Biology合作发文揭示DNA损伤压力下PAPR1介导转录凝聚体动态调控的新机制（图）
陆华松 DNA损伤压力下 PAPR1介导 转录凝聚体 动态调控
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2022/10/25
2022年4月7日，浙江大学生命科学研究院陆华松实验室与美国加州大学伯克利分校周强教授团队合作在Nature Cell Biology在线发表了题为“Poly(ADP-ribosylation) of P-TEFb by PARP1 disrupts phase separation to inhibit global transcription upon DNA damage”的研究论文。该工作...
中国科学院化学研究所宋延林课题组揭示物体的可变漂浮状态调控规律（图）
可变漂浮状态 材料表面性质 液体复杂行为
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2022/4/15
物体漂浮在水面是生活中的常见现象。控制物体的漂浮状态在船只设计、矿物筛选、胶体组装和微纳制造等众多领域具有重要的应用。近年来，研究者逐渐揭示了材料表面性质对漂浮状态的作用。然而，在当前的研究中，人们普遍认为物体稳定漂浮时的状态和浮力是固定不变的。
(Bi0.5Na0.5)TiO3-Ba(Ti,Zr)O3陶瓷的电性能研究
无铅压电陶瓷 (Bi0.5Na0.5)TiO3-Ba(Ti,Zr)O3 介电特性 铁电性能
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2022/3/24
采用氧化固相法制备了(1-x)(Bi0.5Na0.5)TiO3-xBa(Ti0.95Zr0.05)O3(BNT-BZT)陶瓷,其中掺入量x的值分别为0,0.04,0.05,0.06,0.07.研究了BNT-BZT体系陶瓷的准同型相界以及陶瓷材料的微观结构和性能之间的关系,并探讨了陶瓷的介电性能和铁电等性能.通过探究Ba(Ti,Zr)O3(BZT)掺杂量对BNT各性能的影响得出了当掺杂量x=0.05...
Microstructural Percolation
Microstructural Percolation
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2010/11/18
The macroscopic mechanical properties of colloidal particle gels strongly depend on
the local arrangement of the powder particles. Experiments have shown that more
heterogeneous microstructures exhi...
A general approach to quantum Hall hierarchies
quantum Hall hierarchies
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2010/11/25
The abelian hierarchy of quantum Hall states accounts for most of the states in the
lowest Landau level, and there is evidence of a similar hierarchy of non-abelian states
emanating from the ν = 5/2...
Mass-Transport Models with Fragmentation and Aggregation
Mass-Transport Models Fragmentation Aggregation
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2010/11/22
We present a review of nonequilibrium phase transitions in mass-transport models with kinetic processes like fragmentation, diffusion, aggregation, etc. These models have been used extensively to stud...
Factors governing fibrillogenesis of polypeptide chains
fibrillogenesis of polypeptide chains
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2010/11/18
Using lattice models we explore the factors that determine the tendencies of polypeptide chains
to aggregate by exhaustively sampling the sequence and conformational space. The morphologies of the b...
Polydispersity Effects in Colloid-Polymer Mixtures
Polydispersity Effects Colloid-Polymer Mixtures
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2010/11/17
We study phase separation and transient gelation in a mixture consisting of polydisperse colloids and non-adsorbing polymers, where the ratio of the average size of the polymer to that of the colloid ...
Polymeric forms of carbon in dense lithium carbide
Polymeric forms of carbon dense lithium carbide
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2010/11/17
The immense interest in carbon nanomaterials continues to stimulate intense research activities aimed to realize carbon nanowires, since linear chains of carbon atoms are expected to display novel and...
Momentum-space engineering of gaseous Bose-Einstein condensates
Momentum-space engineering gaseous Bose-Einstein condensates
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2010/10/21
We show how the momentum distribution of gaseous Bose–Einstein condensates can be shaped
by applying a sequence of standing–wave laser pulses. We present a theory of the effect of such a pulse sequen...
Non-Linear Dynamics of Continuously Measured Bose-Einstein Condensates in One-Dimensional Harmonic Traps
Non-Linear Dynamics Bose-Einstein Condensates One-Dimensional Harmonic Traps
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2010/10/18
Continuous center-of-mass position measurements performed on an interacting harmonically
trapped Bose-gas are considered. Using both semi-analytical mean-field approach and completely
quantum numeri...
基于GHZ态的四量子位秘密共享方案
隐形传态 GHZ态 秘密共享
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2012/11/22
利用GHZ态作为量子信道，再辅以经典信道传送经GHZ态测量后的信息，便可实现量子位的秘密共享．基于上述思想，充分利用六粒子GHZ纠缠态的相关性，通过1次Bell基测量、4次单粒子测量和相应的幺正变换，从而实现了4个量子位的秘密共享方案.
Continuous atom laser with Bose-Einstein condensates involving three-body interactions
atom laser Bose-Einstein condensates three-body interactions
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2010/4/2
We demonstrate, through numerical simulations, the emission of a coherent continuous matter wave of constant amplitude from a Bose-Einstein Condensate in a shallow optical dipole trap. The process is ...
Gravitational field of twisted Baby Skyrmion strings and loops
Gravitational field twisted Baby Skyrmion Einstein equations
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2010/3/18
We consider the gravitational field of infinite straight and stationary twisted Baby Skyrmion cosmic string. Using the approximate solution of Einstein equations, it is shown that the internal phase r...
Global stability analysis of birhythmicity in a self-sustained oscillator
Global stability birhythmicity self-sustained oscillator
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2010/4/1
We analyze global stability properties of birhythmicity in a self-sustained system with random excitations. The model is a multi-limit cycles variation of the van der Pol oscillatorintroduced to analy...