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相关概念视频

Internal Combustion Engine01:20

Internal Combustion Engine

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The internal combustion engine is a heat engine that uses the byproducts of combustion as the working fluid instead of using a heat transfer medium to transfer heat. The combustion is done in a way that produces high-pressure combustion products that can be expanded through a turbine or piston to create work. Internal combustion engines can again be categorized into three kinds: (1) spark ignition gasoline engines, most commonly used in automobiles, (2) compression ignition diesel engines that...
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Design Example: Automobile Ignition System01:14

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The automobile's ignition system plays a vital role by ensuring the timely ignition of the fuel-air mixture in each cylinder. This ignition is facilitated by a spark plug, which is composed of two electrodes separated by an air gap. A spark forms across this air gap when a substantial voltage is generated between the electrodes, leading to the ignition of the fuel.
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing...
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Design Example: Vintage Mixing Console01:17

Design Example: Vintage Mixing Console

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A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
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PD Controller: Design

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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
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相关实验视频

Updated: Jul 27, 2025

Construction and Characterization of a Novel Vocal Fold Bioreactor
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工程 CD8 的设计.

Hanchae Cho1, Inseong Jung2, Hyunji Ju3

  • 1Exosome Convergence Research Center (ECRC), Kyungpook National University, Daegu 41944, Republic of Korea.

Cytokine
|June 8, 2023
PubMed
概括

来自CD8+T细胞的工程外细胞囊 (EVs) 显示出对肺癌治疗的前景. 这些修改后的EV向癌细胞并增强免疫反应,提供了一种新的治疗策略.

关键词:
这种药物是Cetuximab.细胞毒性T细胞细胞毒性细胞外囊泡中的细胞外囊泡.介质蛋白-2 介质蛋白-2 的作用.肺癌是一种肺癌.

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相关实验视频

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11:11

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科学领域:

  • 免疫学 免疫学 免疫学
  • 在瘤学瘤学.
  • 生物技术是生物技术.

背景情况:

  • 肺癌仍然是一个重大的健康挑战,常规治疗反应有限.
  • 目前的免疫瘤治疗方法在许多肺癌患者中显示出低于最佳的疗效.
  • 需要创新和有效的肺癌治疗策略.

研究的目的:

  • 从人类原发性CD8+T细胞开发工程外细胞囊 (EVs),用于向肺癌治疗.
  • 增强EVs对肺癌的直接和免疫介导的抗瘤活性.
  • 研究工程电动汽车的EGFR依赖的准特异性.

主要方法:

  • 人类初级CD8+T细胞的基因修饰,以产生工程EVs.
  • 通过介质素-2和抗EGFR抗体 cetuximab,EVs的表面功能化.
  • 对工程EVs对A549肺癌细胞的直接细胞毒性的评估.
  • 评估增强的癌细胞对人类外围血液单核细胞介导的细胞毒性的敏感性.
  • 对工程EV对肺癌细胞的EGFR依赖向的分析.

主要成果:

  • 工程 EVs 证明了对 A549 人类肺癌细胞的直接细胞毒性.
  • 修改后的EV增加了癌细胞对免疫细胞中介杀伤的敏感性.
  • 改造的电动汽车以EGFR依赖的方式对肺癌细胞进行了特定的向.
  • 用细胞因子和抗体增强EV的表面工程增强了抗瘤效果和点特异性.

结论:

  • 从CD8+T细胞衍生的EV可以被设计成增强抗瘤活性和针对肺癌的向特异性.
  • 免疫细胞衍生的EV的表面修饰为新型癌症疗法提供了有前途的途径.
  • 这种方法为克服当前肺癌治疗方法的局限性提供了一个潜在的策略.