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相关概念视频

Life Histories01:29

Life Histories

Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...
Electrolytes: van't Hoff Factor03:08

Electrolytes: van't Hoff Factor

Colligative Properties of ElectrolytesThe colligative properties of a solution depend only on the number, not on the identity, of solute species dissolved. The concentration terms in the equations for various colligative properties (freezing point depression, boiling point elevation, osmotic pressure) pertain to all solute species present in the solution. Nonelectrolytes dissolve physically without dissociation or any other accompanying process. Each molecule that dissolves yields one dissolved...
The Nernst Equation02:59

The Nernst Equation

Nonstandard Reaction Conditions
The interconnection between standard cell potentials and various thermodynamic parameters such as the standard free energy change ΔG° and equilibrium constant K has been previously explored. For example, a redox reaction involving zinc(II) and tin(II) ions at 1 M concentration with Eºcell = +0.291 V and ΔG° = −56.2 kJ is spontaneous.
Long-term Depression01:03

Long-term Depression

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over time, all...
Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...

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Updated: Jun 25, 2026

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
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Published on: October 3, 2012

鲁道夫·纽文休斯 (1927年6月11日-2024年11月4日):一个学术生活.

Suzanne Bakker1, Hans J Ten Donkelaar2, Jan Voogd3

  • 1Central Cancer Library, Antoni van Leeuwenhoek Hospital/Netherlands Cancer Institute, Amsterdam, The Netherlands. suzanneb@planet.nl.

Brain structure & function
|June 8, 2025
PubMed
概括

著名的神经科学家鲁道夫·纽文休斯 (Rudolf Nieuwenhuys) 致力于理解脊椎动物和无脊椎动物中枢神经系统. 他的广泛工作,包括开创性文本,显著提升了比较神经生物学和大脑结构研究.

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Building Langmuir Probes and Emissive Probes for Plasma Potential Measurements in Low Pressure, Low Temperature Plasmas
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Published on: May 25, 2021

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Last Updated: Jun 25, 2026

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
15:09

The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease

Published on: October 3, 2012

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科学领域:

  • 神经科学是一个神经科学.
  • 进行比较的神经生物学.
  • 进化神经生物学 进化神经生物学

背景情况:

  • 鲁道夫·纽文休斯 (1955-2024) 在他的科学努力中表现出终身的'神经迷恋'.
  • 他对建筑,历史,宗教和音乐有着广泛的兴趣,培养了深厚的友.
  • 纽文休斯以他的教学演讲和插图出版物而闻名.

研究的目的:

  • 这部作品是对鲁道夫·纽文胡伊斯 (Rudolf Nieuwenhuys) 的生命和科学贡献的集体致敬.
  • 为突出他对神经生物学和比较神经解剖学领域的重大影响.
  • 通过同事,共同作者和朋友的视角来纪念他的遗产.

主要方法:

  • 摘要中没有详细说明具体的研究方法,而是重点介绍了Nieuwenhuys广泛的出版物和演讲.
  • 亮点包括他的开创性作品:"脊椎动物的中枢神经系统"和"人类中枢神经系统".
  • 他的研究方法包括对脊椎动物之间比较大脑结构的系统研究和对无脊椎动物神经形态学的着迷.

主要成果:

  • 纽文休斯的研究涵盖了广泛的神经生物学主题,从脊椎动物的发育和进化到人类皮质建筑学.
  • 他对专门的大脑结构的组织学做出了重大贡献,例如mormyrids的巨型大脑小脑.
  • 他的工作旨在合成比较的大脑结构,尽管他计划的关于无脊椎动物神经解剖学的书仍然未完成.

结论:

  • 鲁道夫·纽文休斯通过他的教学和插图贡献在神经科学上留下了不可磨灭的印记.
  • 他的遗产包括对比较神经解剖学和进化神经生物学研究的深刻影响.
  • 他以他对神经系统的深厚着迷以及他对科学研究的奉献精神而被铭记.