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相关概念视频

Murine Nasal Lavage Fluid Collection without Blood Contamination05:12

Murine Nasal Lavage Fluid Collection without Blood Contamination

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The present protocol describes a novel method for avoiding blood contamination in murine nasal lavage fluid (NLF). Since this method ensures the NLF collection without blood contamination, it allows for more accurate detections of immunological components and various respiratory...
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Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome03:40

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome

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OSTSS leads to pooled inflammatory mediators in the tear film, causing symptoms like epiphora and discomfort. Here, we present a case where therapeutic nasolacrimal lavage every 2 months resolved epiphora and itchiness, suggesting its efficacy as a therapeutic intervention for OSTSS. Additionally, we report subjective improvements in symptoms in 3 additional...
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Saline Lavage for Sampling of the Canine Nasal Immune Microenvironment04:35

Saline Lavage for Sampling of the Canine Nasal Immune Microenvironment

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Saline nasal lavage can be used to sample the canine nasal immune microenvironment. Because the approach is relatively non-invasive and does not disrupt the nasal tissues, it can be performed serially. Cells and proteins collected from the nasal lavage technique can be processed for various laboratory analyses.
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Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

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A protocol for conducting a challenge in an allergen exposure chamber (AEC) facility is presented. AECs have proven to be safe and effective tools for the induction of allergic symptoms or as an endpoint in the efficacy testing of allergen immunotherapy due to their ability to maintain stable particle concentrations and environmental...
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Reduced Itraconazole Concentration and Durations Are Successful in Treating Batrachochytrium dendrobatidis Infection in Amphibians06:49

Reduced Itraconazole Concentration and Durations Are Successful in Treating Batrachochytrium dendrobatidis Infection in Amphibians

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Batrachochytrium dendrobatidis infection in amphibians can be eliminated using a reduced concentration (0.0025%) and shorter duration (five minute baths for six days) of itraconazole than is generally used. Less mortality and fewer negative side effects were observed using this modified treatment...
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Intranasal Administration of CNS Therapeutics to Awake Mice07:15

Intranasal Administration of CNS Therapeutics to Awake Mice

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A method to intranasally administer drugs to awake mice for the purpose of targeting the brain is described. This method allows for repeat dosing over long periods using intranasal administration of drug without anesthesia, and nose-to-brain delivery with minimal systemic...
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Updated: Jan 7, 2026

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
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在RNA聚合酶中的活性位点动态.

Robert Landick1

  • 1Department of Bacteriology, University of Wisconsin-Madison, Madison, WI 53706, USA.

Cell
|March 16, 2004
PubMed
概括

新的研究表明,菌体T7RNA聚合酶使用类似于DNA聚合酶的核酸添加循环. 这一发现为其他生物体中复杂的RNA聚合酶提供了洞察力.

科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 结构生物学 结构生物学

背景情况:

  • 菌体T7RNA聚合酶是病毒基因表达中的关键酶.
  • 了解RNA聚合酶机制对于破译细胞转录至关重要.

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