Single particle tracking reveals spatial and dynamic organization of the E. coli biofilm matrix [0.03%]
单粒子追踪揭示大肠杆菌生物被膜基质的空间和动态组织
Alona Birjiniuk,Nicole Billings,Elizabeth Nance et al.
Alona Birjiniuk et al.
Biofilms are communities of surface-adherent bacteria surrounded by secreted polymers known as the extracellular polymeric substance (EPS). Biofilms are harmful in many industries, and thus it is of great interest to understand their mechan...
Quantifying local density of optical states of nanorods by fluorescence lifetime imaging [0.03%]
利用荧光寿命成像量化纳米线的局部光学态密度
Jing Liu,Xunpeng Jiang,Satoshi Ishii et al.
Jing Liu et al.
In this letter, we demonstrate a facile far-field approach to quantify the near-field local density of optical states (LDOS) of a nanorod using CdTe quantum dots (QDs) emitters tethered to the surface of nanorods as beacons for optical read...
Svitlana Havrylenko,Xavier Mezanges,Ellen Batchelder et al.
Svitlana Havrylenko et al.
Many cell movements occur via polymerization of the actin cytoskeleton beneath the plasma membrane at the front of the cell, forming a protrusion called a lamellipodium, while myosin contraction squeezes forward the back of the cell. In wha...
Fluid Shear Stress Sensitizes Cancer Cells to Receptor-Mediated Apoptosis via Trimeric Death Receptors [0.03%]
流体剪切应力通过三聚化死亡受体增强癌细胞的受体介导的凋亡敏感性
Michael J Mitchell,Michael R King
Michael J Mitchell
Cancer metastasis, the process of cancer cell migration from a primary to distal location, typically leads to a poor patient prognosis. Hematogenous metastasis is initiated by intravasation of circulating tumor cells (CTCs) into the bloodst...
Modeling cell elongation during germ band retraction: cell autonomy versus applied anisotropic stress [0.03%]
胚环回缩期间细胞伸长的模型构建：细胞自主性与各向异性应力的作用
Holley E Lynch,Jim Veldhuis,G Wayne Brodland et al.
Holley E Lynch et al.
The morphogenetic process of germ band retraction in Drosophila embryos involves coordinated movements of two epithelial tissues - germ band and amnioserosa. The germ band shortens along its rostral-caudal or head-to-tail axis, widens along...
The ecological basis of morphogenesis: branching patterns in swarming colonies of bacteria [0.03%]
生态系的基础上形态发生：细菌群落中分支模式
Pan Deng,Laura de Vargas Roditi,Dave van Ditmarsch et al.
Pan Deng et al.
Understanding how large-scale shapes in tissues, organs and bacterial colonies emerge from local interactions among cells and how these shapes remain stable over time are two fundamental problems in biology. Here we investigate branching mo...
G Sciumè,S Shelton,Wg Gray et al.
G Sciumè et al.
Several mathematical formulations have analyzed the time-dependent behaviour of a tumor mass. However, most of these propose simplifications that compromise the physical soundness of the model. Here, multiphase porous media mechanics is ext...
Shawn D Ryan,Andrey Sokolov,Leonid Berlyand et al.
Shawn D Ryan et al.
The study of collective motion in bacterial suspensions has been of significant recent interest. To better understand the non-trivial spatio-temporal correlations emerging in the course of collective swimming in suspensions of motile bacter...
András Czirók,Katalin Varga,Előd Méhes et al.
András Czirók et al.
We report a spontaneously emerging, randomly oriented, collective streaming behavior within a monolayer culture of a human keratinocyte cell line, and explore the effect of modulating cell adhesions by perturbing the function of calcium-dep...
Solution conformation of 2-aminopurine (2-AP) dinucleotide determined by ultraviolet 2D fluorescence spectroscopy (UV-2D FS) [0.03%]
利用紫外二元荧光光谱法测定2-氨基嘌呤(2-AP)双核苷酸的溶液构象
Julia R Widom,Neil P Johnson,Peter H von Hippel et al.
Julia R Widom et al.
We have observed the conformation-dependent electronic coupling between the monomeric subunits of a dinucleotide of 2-aminopurine (2-AP), a fluorescent analog of the nucleic acid base adenine. This was accomplished by extending two-dimensio...