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相关概念视频

Detergent Purification of Membrane Proteins01:18

Detergent Purification of Membrane Proteins

Detergents are used to purify the integral proteins of the membrane. The hydrophobic portion of the detergent can replace membrane phospholipids while solubilizing the membrane proteins. When detergent monomers reach a specific concentration in a solution called critical micelle concentration (CMC), they form micelles. Above CMC, the concentration of the detergent monomers remains in equilibrium with the micelle. The number of detergent monomers present in the CMC varies for each detergent, and...
Hand hygiene01:23

Hand hygiene

Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Handwashing II: Pre-procedure and Initial Procedure Steps01:19

Handwashing II: Pre-procedure and Initial Procedure Steps

The pre-procedure steps of handwashing include removing jewelry and rolling up sleeves. However, many organizations allow staff to wear wedding rings.
The hand washing procedure itself includes the following steps. First, cover cuts, if any, on hands with a waterproof dressing. Cuts and abrasions can become contaminated with bacteria hindering the ability to clean the area thoroughly. In addition, repeated hand washing can worsen an injury.  The nails must be short and clean, without nail paint...
Handwashing III: During the Procedure and Post-Procedure Steps01:15

Handwashing III: During the Procedure and Post-Procedure Steps

To wash hands properly, follow these steps:

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相关实验视频

Updated: Jul 13, 2026

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[在交配前冲洗狗皮,有用还是没有?]

Katharina Kühn1, Andrea Meyer-Lindenberg1, Sven Reese2

  • 1Chirurgische und Gynäkologische Kleintierklinik, Ludwig-Maximilians-Universität München.

Tierarztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
|December 5, 2024
PubMed
概括

在雄犬中,前皮冲洗减少了细菌,Caniprevent显示出比盐水更明显的效果. 然而,在交配前这种做法的整体医疗益处需要进一步调查.

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科学领域:

  • 兽医微生物学 兽医微生物学
  • 狗的繁殖 狗的繁殖

背景情况:

  • 选择性致病细菌经常在狗的皮皮中发现.
  • 前皮冲洗是一些育种者使用的一种做法,用于在交配前减轻细菌传播.

研究的目的:

  • 评估在交配前在雄犬中前皮冲洗的医疗实用性.
  • 为了比较不同冲洗溶液在减少细菌负载方面的有效性.

主要方法:

  • 对20只雄性狗的前皮抽样进行微生物学检查.
  • 使用生理盐水和Caniprevent冲洗前后细菌计数的比较.

主要成果:

  • 已发现的常见细菌包括大肠杆菌,斯塔菲洛科克斯伪中间体,犬状菌和菌质菌.
  • 前皮冲洗显著降低了细菌的生长.
  • 与生理盐水相比,Caniprevent显示出更明显的细菌减少 (20.8%) (p<0.001 vs p=0.004).

结论:

  • 前皮冲洗有效地减少了狗前皮中的细菌存在.
  • 预防性前皮冲洗对犬类繁殖的长期医疗益处仍未确定.
  • 需要进一步的研究,以向物主人提供关于前排泄和冲洗解决方案的建议.