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相关概念视频

The Physiology of Taste01:24

The Physiology of Taste

3.8K
The perception of a salty flavor is facilitated by sodium ions within the oral salivary fluid. Upon consumption of a salty substance, salt crystals disassemble, leading to the liberation of its constituents—Na+ and Cl- ions. These ions subsequently dissolve into the salivary fluid present in the oral cavity. The external environment of the gustatory cells experiences an elevation in Na+ concentration, thereby establishing a potent concentration gradient. This gradient propels the...
3.8K
Taste Buds and Receptors01:20

Taste Buds and Receptors

1.9K
Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
1.9K
Gustation01:43

Gustation

47.7K
Gustation is a chemical sense that, along with olfaction (smell), contributes to our perception of taste. It starts with the activation of receptors by chemical compounds (tastants) dissolved in the saliva. The saliva and filiform papillae on the tongue distribute the tastants and increase their exposure to the taste receptors.
47.7K

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相关实验视频

Updated: Jun 15, 2025

Taste Exam: A Brief and Validated Test
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生物电子技术用于基于苦味的植物化合物检测,使用人类苦味受体纳米盘.

Kyung Ho Kim1, Sung Eun Seo1, Seung Hwan Lee2

  • 1SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea.

Biosensors & bioelectronics
|August 21, 2024
PubMed
概括

研究人员开发了新的生物电子技术,用于检测素,一种具有药用功能的苦味植物化合物. 这种新系统提供了高度敏感和快速选天然来源的素.

关键词:
生物电子学 生物电子学生物纳米磁盘是什么意思苦是一种苦.在Cnicincin中,我们可以看到.场效应晶体管的领域效应晶体管.

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Electrophysiological Recording From Drosophila Labellar Taste Sensilla
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科学领域:

  • 生物技术是生物技术.
  • 生物感应是一种生物感应.
  • 自然产品 化学 化学

背景情况:

  • 有机体为防御生产天然产品,其中许多具有药理价值.
  • 素是一种苦的酸乳,表现出多种生物活性,包括抗癌和抗炎作用.
  • 现有的素检测方法存在局限性,需要先进的查策略.

研究的目的:

  • 开发一种用于敏感和选择性素查的新型生物电子系统.
  • 为了利用素独特的苦味,通过特定的受体进行检测.
  • 为了创建一个稳定和快速的生物传感平台,用于cnicin分析.

主要方法:

  • 人类苦味受体hTAS2R46在大肠杆菌中表达,并被复制成纳米盘 (ND).
  • 生物模拟用于分析hTAS2R46-cnicin结合相互作用.
  • hTAS2R46-NDs与石墨烯场效应晶体管 (FET) 集成,以创建一个生物电子传感器.

主要成果:

  • 开发的hTAS2R46-NDs生物电子显示了10 fM检测极限和快速10秒的响应时间.
  • 实现了高选择性和显著的平衡常数 (0.1354 pM-1).
  • 传感器在15天内保持了稳定的性能,表明了强度.

结论:

  • 这种新的生物电子系统为cnicin查提供了前所未有的平台.
  • 这项技术在食品和药物行业有潜在的应用,用于天然产品分析.
  • 开发的生物传感器克服了以前cnicin检测方法的局限性.