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相关概念视频

Drug Delivery: Miscellaneous Routes01:22

Drug Delivery: Miscellaneous Routes

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Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
Transdermal patches transport drugs...
336
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
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Immunological Memory01:23

Immunological Memory

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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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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Vaccinations01:51

Vaccinations

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相关实验视频

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Intralymphatic Immunotherapy and Vaccination in Mice
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基于离子液体的免疫贴片用于通过皮肤输送抗原.

Rashedul Islam1, Fahmida Habib Nabila1, Rie Wakabayashi1,2,3

  • 1Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka 819-0395, Japan.

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概括

这项研究开发了一种以离子液体为基础的油中固体 (IL-S/O) 纳米扩散透皮贴片,用于卵胺 (OVA) 输送. 与水性配方相比,IL-S/O补丁显示增强了抗原递送和免疫反应.

关键词:
这是一个IL-S/O补丁.免疫接种 免疫接种 免疫接种离子液体是一种离子液体.压力敏感的粘合剂粘合剂通过皮肤传递药物.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物技术是生物技术.
  • 制药科学 制药科学

背景情况:

  • 透皮药物递送系统对于管理各种治疗药物至关重要.
  • 大分子药物,如抗原蛋白,对传统的输送方法构成挑战.
  • 基于离子液体的纳米分散为药物配方提供了新的可能性.

研究的目的:

  • 开发和评估一种以离子液体为基础的油中固体 (IL-S/O) 纳米分散性透皮贴片,用于输送卵蛋白 (OVA).
  • 评估不同压力敏感粘合剂 (PSA) 对补丁性能的影响.
  • 为了研究发育的贴片的体外皮肤透和体内免疫性.

主要方法:

  • 制备IL-S/O纳米分散并将其纳入压敏粘合剂 (PSA).
  • 通过皮肤贴片的形态,粘性弹性和水分含量的表征.
  • 使用尤卡坦微猪皮肤的体外皮肤透研究和小鼠体内免疫研究.

主要成果:

  • 与水性配方相比,IL-S/O补丁 (SP-4098和SP-4287) 的OVA含量分别高出5.49倍和5.47倍.
  • 用含有OVA的SP-4098免疫的小鼠显示抗OVAIgG水平增加了10倍.
  • 一个PSA (DURO-TAK 87-4287) 的稳定性很差,不完全脱离释放.

结论:

  • IL-S/O透皮贴片是一个有前途的平台,可以有效地传递像卵素这样的宏分子抗原.
  • 选择压力敏感粘合剂显著影响贴片的稳定性和性能.
  • 这种新的贴片配方增强了抗原的传递,并引起了强大的免疫反应.