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相关概念视频

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Information Processing Approach01:30

Information Processing Approach

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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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Characteristics of OpAmp01:17

Characteristics of OpAmp

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The operational amplifier, commonly known as an op-amp, is a specially designed electronic circuit component. Its purpose is to work in conjunction with other circuit elements to execute a defined signal-processing operation. Consider an equivalent circuit model of an op-amp, as depicted in Figure 1; the output section comprises a voltage-controlled source in parallel with the output resistance Ro.
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Aromatic Compounds: Overview01:25

Aromatic Compounds: Overview

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In general, the term ‘aromatic’ indicates a pleasant smell or fragrance from fresh flowers, freshly prepared coffee, etc. In the early history of organic chemistry, many benzene derivatives were isolated from the pleasant odor oils of the plants. For example, vanillin was isolated from the oil of vanilla, methyl salicylate from the oil of wintergreen, and cinnamaldehyde from the oil of cinnamon. They all had a pleasant odor; hence the name aromatic was given.
In 1825, Faraday isolated...
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Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

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Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
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Aromatic Hydrocarbon Anions: Structural Overview01:18

Aromatic Hydrocarbon Anions: Structural Overview

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Neutral hydrocarbons like cyclopentadiene with an odd number of carbon atoms and one intervening CH2 group in the ring are not aromatic. Cyclopentadiene with 4 π electrons does not satisfy the 4n + 2 π electron rule. Additionally, the intervening CH2 group is sp3 hybridized and lacks a vacant p orbital, thereby interrupting the overlap of p orbitals in a continuous manner and preventing the delocalization of π electrons throughout the ring.
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相关实验视频

Updated: Jan 8, 2026

Cloud-Based Phrase Mining and Analysis of User-Defined Phrase-Category Association in Biomedical Publications
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2 CIE:用于AOP开发的语义,语法和基于上下文的信息提取.

Saurav Kumar1, Shubh Sharma2, Deepika Deepika1

  • 1IISPV, Departament d' Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain; German Federal Institute for Risk Assessment (BfR), Berlin, Germany.

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概括

S2CIE是一个新的平台,从生物医学文献中提取机械信息,以加快不良结果途径 (AOP) 的开发. 它显著减少了检索时间,并增加了监管科学的证据捕获.

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A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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科学领域:

  • 毒理学 毒理学 毒理学
  • 计算生物学 计算生物学
  • 生物医学信息学 生物医学信息学

背景情况:

  • 在下一代风险评估 (NGRA) 中,不利结果途径 (AOP) 对于危险识别和监管决策至关重要.
  • 由于手册文献审查和现有文本挖掘工具的局限性,开发AOP是耗时的.
  • 当前的工具往往缺乏互动性,运行在有限的数据上,错过了相关的研究.

研究的目的:

  • 引入S2CIE (语义和语法上下文信息提取),这是一个交互式的实时平台,用于从生物医学文献中提取机械信息.
  • 通过提供高效和全面的信息提取解决方案来应对劳动密集型AOP开发的挑战.
  • 通过加速对AOPs的证据收集来支持监管科学.

主要方法:

  • S2CIE用语法,实体类型和依赖信息对PubMed摘要 (3200万) 进行注释.
  • 它允许基于语法模式的自定义提取规则和通过特定用户查询的语义检索.
  • 该平台集成实体识别,视觉探索工具,并支持近实时查询.

主要成果:

  • 以98.79%的精度识别了110种与肝脏肥胖症/胆固醇症相关的化学物质,提取了PPAR相互作用.
  • 与AOP-HelpFinder相比,AOP220的证据捕获率 (42.2%) 增加,检索时间减少 (99%).
  • 通过大规模提取翻译后修改事件来展示域异的适用性.

结论:

  • S2CIE显著加快了AOP开发的证据收集过程.
  • 该平台提高了透明度和可审计性,这对于监管应用至关重要.
  • 作为开源软件,S2CIE可用,促进了科学研究和监管科学领域的更广泛采用.