搜索结果: 1-15 共查到“生物学 structures”相关记录30条 . 查询时间(0.073 秒)
Structures considered key to gene expression are surprisingly fleeting（图）
基因表达 基因组环 细胞
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2023/6/9
In human chromosomes, DNA is coated by proteins to form an exceedingly long beaded string. This “string” is folded into numerous loops, which are believed to help cells control gene expression and fac...
2018年SIAM非线性波和相干结构会议（SIAM Conference on Nonlinear Waves and Coherent Structures）
2018年 SIAM 非线性波和相干结构 会议
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2017/12/20
Theoretical aspects of applied mathematical research on nonlinear waves and coherent structures are relevant to subjects as diverse as general relativity, high-energy particle and plasma physics, flui...
Chemists Get Step Closer to Replicating Nature with Assembly of New 3D Structures（图）
chemists step closer replicating nature new 3d structures
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2017/9/5
A team of New York University chemists has created a series of three-dimensional structures that take a step closer to resembling those found in nature. The work offers insights into how enzymes are p...
Electrostatic and Conformational Effects on the Electronic Structures of Distortional Isomers of a Mixed-Valence Binuclear Cu Complex
Electrostatic Conformational Electronic Structures Distortional Isomers Mixed-Valence Binuclear Cu Complex
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2016/5/23
The electronic structure of the binuclear copper complex [Cu(2)(L)](3+) [L = N(CH(2)CH(2)N(H)CH(2)CH(2)N(H)CH(2)CH(2))(3)N] has been investigated by resonance Raman and electroabsorption spectroscopy....
Acoustic tweezers move cells in three dimensions,build structures
Acoustic tweezers move cells three dimensions build structures
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2016/2/22
Acoustic tweezers that can move single cells in three dimensions using surface acoustic waves without touching, deforming or labeling the cells are possible, according to a team of engineers."In this ...
Crystal structures of a group II chaperonin reveal the open and closed states associated with the protein folding cycle
Crystal structures group II chaperonin reveal closed states associated protein folding cycle
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2015/12/11
Chaperonins are large protein complexes consisting of two stacked multisubunit rings, which open and close in an ATP-dependent manner to create a protected environment for protein folding. Here, we de...
Peering into cell structures where neurodiseases emerge
cell structures neuro diseases
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2015/12/7
A latticework of tiny tubes called microtubules gives your cells their shape and also acts like a railroad track that essential proteins travel on. But if there is a glitch in the connection between t...
Protein Structures Assemble and Disassemble On Command（图）
Protein Structures Assemble Disassemble On Command
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2015/9/25
Scientists have deciphered the genetic code that instructs proteins to either self-assemble or disassemble in response to environmental stimuli, such as changes in temperature, salinity or acidity. Th...
中国医科大学生物化学七年制英文版课件Chapter3 Structures and
中国医科大学 生物化学 七年制 英文版 课件 Chapter3 Structures and
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2014/9/15
中国医科大学生物化学七年制英文版课件Chapter3 Structures and Functions of Nucleic Acids。
Shallow Population Genetic Structures of Thread-sail Filefish (Stephanolepis cirrhifer) Populations from Korean Coastal Waters
Demographic History Population Genetic Structure Nucleotide Sequence Analysis
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2016/5/9
Genetic diversities, population genetic structures and demographic histories of the thread-sail filefish Stephanolepis cirrhifer were investigated by nucleotide sequencing of 336 base pairs of the mit...
First principles structures and circular dichroism spectra for the close-packed and the 7/2 motif of collagen
First principles structures circular dichroism spectra the 7/2 motif of collagen Biological Physics
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2012/5/17
The recently proposed close-packed motif for collagen is investigated using first principles semi-empirical wave function theory and Kohn-Sham density functional theory. Under these refinements the cl...
Computational Potential Energy Minimization Studies on the Prion AGAAAAGA Amyloid Fibril Molecular Structures
Computational Potential Energy Minimization Amyloid Fibril Molecular Structures Biological Physics
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2012/5/3
X-ray crystallography, NMR (Nuclear Magnetic Resonance) spectroscopy, and dual polarization interferometry, etc are indeed very powerful tools to determine the 3D structures of proteins (including the...
McGenus: A Monte Carlo algorithm to predict RNA secondary structures with pseudoknots
McGenus Monte Carlo algorithm RNA secondary structures pseudoknots
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2012/4/28
We present McGenus, an algorithm to predict RNA secondary structures with pseudoknots. The method is based on a classification of RNA structures according to their topological genus. McGenus can treat...
Realistic 3D computer model of the gerbil middle ear, featuring accurate morphology of bone and soft tissue structures
gerbil, middle ear, modeling, high-resolution, three-dimensional, soft tissue, surface mesh,micro-scale X-ray computed tomography (micro-CT), orthogonal-plane fluorescence optical-sectioning microscopy (OPFOS)
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2011/9/14
In order to improve realism in middle ear (ME) finite element modeling (FEM), comprehensive and precise morphological data are needed. To date, micro-scale X-ray computed tomography (μCT) recordings ...
Atomic-resolution structures of prion AGAAAAGA amyloid fibrils
Amyloid Fibrils Prion AGAAAAGA Palindrome Atomic-resolution Structures
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2011/8/31
To the best of the authors knowledge, there is little structural data available on the AGAAAAGA palindrome in the hydrophobic region (113-120) of prion proteins due to the unstable, noncrystalline and...