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Cryo-electron Microscopy01:28

Cryo-electron Microscopy

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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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Updated: Jun 17, 2025

Thermal Ablation for the Treatment of Abdominal Tumors
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低温外科手术过程应用 - - 一个数学复习.

L Famhawite1, S Tanwar2, P R Verma3

  • 1Department of Mathematics, University of Delhi, Delhi, India. lfamhawite@maths.du.ac.in.

Cryo letters
|August 10, 2024
PubMed
概括
此摘要是机器生成的。

这项研究审查了冷手术的数学模型,使用受控冷治疗的瘤治疗. 数字模拟有助于医生规划冷手术,优化探针放置和冷时间,以有效地破坏瘤,对健康组织的影响最小.

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科学领域:

  • 生物医学工程 生物医学工程
  • 数学建模的数学建模
  • 在瘤学瘤学.

背景情况:

  • 低温外科手术是一种对瘤的微创治疗方法.
  • 精确的模拟对于有效的冷手术规划至关重要.
  • 尽量减少对周围健康组织的损伤是关键的挑战.

研究的目的:

  • 审查用于冷手术模拟的突出的数学模型.
  • 突出数字模拟在治疗规划中的作用.
  • 讨论生物热转移在冷手术中的数值技术.

主要方法:

  • 对冷手术现有数学模型的审查.
  • 对数值模拟技术的讨论.
  • 在瘤组织中分析生物热传递过程.

主要成果:

  • 确定了用于冷手术模拟的关键数学模型.
  • 强调了数字模拟在治疗设计中的实用性.
  • 突出了有限元,无网格和有限体积方法的适用性.

结论:

  • 数学模型和数值模拟对于冷手术至关重要.
  • 使用这些模拟,可以开发有效的规划框架.
  • 优化治疗策略可以增强瘤的破坏,并保护健康的组织.