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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
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Ethical Standards I

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The American Nurses Association (ANA) created and implemented the first nationally accepted Code of Ethics for Nurses with Interpretive Statements. The Code of Ethics is a living document regularly updated by the ANA and establishes an ethical standard that is non-negotiable for nurses in all roles and settings.
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Health Information Technology and Healthcare Information System01:30

Health Information Technology and Healthcare Information System

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Health Information Technology (HIT)
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
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Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and...
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An integrated healthcare system (IHS) is a set of organizations that provides for or arranges to provide coordinated and continuous service to a defined population. The IHS takes responsibility for that particular population's health status and outcome, both clinically and fiscally. An integrated healthcare system is a well-organized, well-coordinated, and collaborative network. The integrated delivery system is a network that connects different healthcare providers to deliver organized,...
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Updated: Jul 12, 2025

Data Communication Based on MQTT in a Polymer Extrusion Process
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N-Accesses:基于区块链的访问控制框架,用于安全的物联网数据管理.

Teng Hu1, Siqi Yang1, Yanping Wang2

  • 1Institute of Computer Application, China Academy of Engineering Physics, Mianyang 621900, China.

Sensors (Basel, Switzerland)
|October 28, 2023
PubMed
概括
此摘要是机器生成的。

本研究提出了一个基于区块链的新框架,用于安全的物联网 (IoT) 数据管理. 它增强了代币利用,并使物联网数据的有效,可审计的访问控制成为可能.

关键词:
访问控制 访问控制 访问控制区块链区块链区块链区块链区块链数据管理数据管理智能合约是一个智能合约.

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科学领域:

  • 计算机科学 计算机科学
  • 信息安全 信息安全
  • 网络工程 网络工程

背景情况:

  • 物联网 (IoT) 产生了大量有价值的数据,但由于开放的环境和设备限制,传统的访问控制方法在安全方面扎.
  • 物联网中的集中式访问控制面临着单点故障,而分散式方法则受到低效的代币使用和不安全的许可分配的影响.

研究的目的:

  • 为物联网 (IoT) 数据管理引入基于区块链的安全高效的访问控制框架.
  • 解决现有访问控制方案的局限性,包括令牌未充分利用和不安全的许可分配.

主要方法:

  • 一个基于区块链的框架,集成智能合约和哈希链,用于用户定义的,有截止日期的n次访问控制.
  • 实现数据托管由所有者和多用途令牌能力在预定义的范围内.
  • 利用区块链固有的特性进行数据访问审计和验证.

主要成果:

  • 拟议的框架使物联网数据所有者能够轻量化,用户定义的数据管理.
  • 该系统通过在截止日期内允许多次访问来提高代币利用率,从而提高效率.
  • 区块链的不变性确保了数据访问记录的安全审计和验证.

结论:

  • 开发的基于区块链的访问控制框架有效地解决了物联网数据管理中的安全和效率挑战.
  • 广泛的模拟证实了安全的物联网数据访问方案的可行性和效率.