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相关概念视频

Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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Delivery Pathways to the Lysosome01:36

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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
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Drug Delivery: Overview01:16

Drug Delivery: Overview

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The selection of a drug's delivery route depends upon its physicochemical properties, including lipid or water solubility and ionization, as well as the therapeutic requirement, such as immediate or sustained effect. These routes can be divided into three primary categories: enteral, parenteral, and topical.
Enteral delivery involves administering drugs directly through swallowing, sublingual placement, or buccal application. Orally administered drugs predominantly navigate the...
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Drug Delivery: Enteral Route01:18

Drug Delivery: Enteral Route

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The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
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Drug Delivery: Parenteral Route01:29

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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
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The healthcare system is constantly changing and complex. Various services are available from different healthcare providers, but gaining access to these services has become challenging for people with limited healthcare insurance. Uninsured people present a challenge to healthcare because they frequently postpone or forego treatment.
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相关实验视频

Updated: Feb 7, 2026

Cell Squeezing as a Robust, Microfluidic Intracellular Delivery Platform
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多尺度3D微流体平台用于器官内输送.

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    研究人员开发了一个3D微流体平台,可以将生物分子深入神经器官. 这项技术可以改善对有机微环境的控制,增强组织完整性,并使先进的发育研究成为可能.

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    科学领域:

    • 神经科学是一个神经科学.
    • 生物工程是生物工程.
    • 发展生物学 发展生物学

    背景情况:

    • 神经器官是研究人类发育和疾病的有价值的3D模型.
    • 目前的神经器官缺乏有效的内部运输系统,限制了营养和氧气扩散到深层组织.
    • 微流体系统提供了精确输送的潜力,但将其集成到有机体中而不破坏生长是困难的.

    研究的目的:

    • 开发一个多尺度的3D微流体平台,用于控制器官内输送.
    • 克服神经器官的深层区域 perfusing 的局限性.
    • 为了能够对有机微环境进行特定地点的询问.

    主要方法:

    • 在成长中的神经器官中嵌入光刻定义的线状微通道.
    • 使用纳米孔接口进行受控的扩散传输.
    • 以高空间和时间精度展示染料,形态原体和MRI对比剂的输送.

    主要成果:

    • 实现了生物分子的受控扩散运输,空间分辨率为100米,深度为400米.
    • 证明了分钟尺度的时间精确度用于交付.
    • 观察到减少了细胞亡和改善了神经组织完整性与生长因子的交付.

    结论:

    • 开发的平台可以在神经器官体内提供精确的,特定于地点的传输.
    • 这项技术增强了有机体的生存能力和结构组织.
    • 它为推进有关有机微环境,成熟和疾病建模的研究提供了一个强大的工具.