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相关概念视频

Structure and Function of Platelets01:18

Structure and Function of Platelets

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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
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Formation of the Platelet Plug01:22

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The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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相关实验视频

Updated: Jan 7, 2026

Microfluidics in Assessing Platelet Function
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Microfluidics in Assessing Platelet Function

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冷藏血小板:重新审视假设并解决可变性,以支持实施.

Janhavi Mahajan1,2, Matthew P Padula2, Denese C Marks1,3

  • 1Research and Development, Australian Red Cross Lifeblood, Alexandria, NSW, Australia.

Frontiers in medicine
|December 31, 2025
PubMed
概括

血小板的冷藏可以将保质期延长到21天,为室温储存提供了一个可行的替代方案. 然而,处理方法的变化可能会影响临床结果,需要进一步的研究和标准化,以实现有效的血小板输血.

关键词:
在冷藏的冷藏储存中.血小板 血小板 血小板是什么?制冷制冷系统的制冷方式储存 储存 储存 储存 储存 是一个输血是输血的方法之一.

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Preparation and Pathogen Inactivation of Double Dose Buffy Coat Platelet Products using the INTERCEPT Blood System
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Preparation and Pathogen Inactivation of Double Dose Buffy Coat Platelet Products using the INTERCEPT Blood System

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Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
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Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

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相关实验视频

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Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
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科学领域:

  • 输血医学 输血医学
  • 血液学 血液学 血液学

背景情况:

  • 血小板对于静血至关重要,通常存储在室温 (RT),由于细菌风险,将保质期限制在5-7天.
  • 血小板的冷藏 (2-6°C) 可以延长到21天的保质期,并且在全球范围内越来越多地实施.

研究的目的:

  • 审查关于冷藏血小板的假设.
  • 突出处理变异对血小板特征和临床结果的影响.
  • 为未来的研究和冷藏血小板实施的最佳实践提供信息.

主要方法:

  • 关于冷藏血小板的历史和当前研究的文献综述.
  • 分析从采集到输血的血小板处理的变化.
  • 讨论这些变异对输血后临床结果的潜在影响.

主要成果:

  • 与RT存储相比,冷储显著延长了血小板的保质期.
  • 采集平台,存储解决方案和组件修改的变化可以在冷藏期间改变血小板特征.
  • 这些处理变化的对临床结果的影响往往被忽视.

结论:

  • 需要对冷藏血小板的处理方法进行标准化.
  • 需要进一步的研究来了解加工变化如何影响临床疗效和安全.
  • 解决这些变量对于优化临床实践中冷藏血小板利用量至关重要.