Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

155
Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
155
Development of Analytical Methods01:21

Development of Analytical Methods

717
An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
717
One-Compartment Open Model: Urinary Excretion Data and Determination of k01:11

One-Compartment Open Model: Urinary Excretion Data and Determination of k

290
The one-compartment open model leverages urinary excretion data to estimate renal clearance, which gauges the kidney's capacity to expel a drug. This method offers several benefits, including directly measuring drug elimination and assessing the kidney's contribution to overall drug clearance. However, this approach has limitations. It assumes sole renal excretion of the drug, which is not true for all drugs. Accurate urinary excretion and plasma drug concentration measurement can also...
290
Formation of Concentrated Urine01:23

Formation of Concentrated Urine

2.1K
There is a gradient of solutes in the interstitial fluid from the renal cortex through the medulla, known as the medullary osmotic gradient. The juxtamedullary nephrons establish and maintain this gradient using countercurrent mechanisms with loops extending deep into the medulla. These nephrons also use countercurrent mechanisms to regulate urine volume and concentration. The interaction between the descending and ascending limbs of the nephron loop creates an osmotic gradient through...
2.1K
Physiology of the Genitourinary System III: Urine Concentration and Dilution01:20

Physiology of the Genitourinary System III: Urine Concentration and Dilution

47
The kidneys concentrate or dilute urine to maintain water and electrolyte balance. Nephrons, particularly the loop of Henle, play a crucial role in this process through the countercurrent multiplication system. This system establishes a high osmolarity in the renal medulla, which is essential for water reabsorption. In the loop of Henle’s descending limb, water is reabsorbed into the surrounding medulla due to its permeability to water. In contrast, the ascending limb actively transports...
47
Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

2.1K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
2.1K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Ferroptosis in cisplatin resistance: Mechanisms and therapeutic targets.

Chinese medical journal·2026
Same author

A Multi-Regional Single-nucleus Atlas of the Huntington's Disease Brain.

Scientific data·2026
Same author

Reporting Interest-Holder Engagement in Practice Guidelines: The RIGHT-MuSE Checklist.

Annals of internal medicine·2026
Same author

A hydrogen-releasing polydopamine palladium hydride nanocoating protects airway mucosal injury induced by endotracheal tube cuff compression.

Biomaterials advances·2026
Same author

Clinical evidence on integrated Chinese-Western medicine for stroke rehabilitation.

Integrative medicine research·2026
Same author

Clinical evidence on integrated Chinese-Western medicine for rheumatoid arthritis.

Integrative medicine research·2026

相关实验视频

Updated: Sep 13, 2025

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

5.7K

分析装置和预测方法用于尿液成分度的分析装置和预测方法.

Zhe Wang1, Jianbang Huang1, Qimeng Chen2

  • 1School of Life Science and Technology, Changchun University of Science and Technology, Changchun 130022, China.

Micromachines
|July 30, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种使用图像处理和鱼优化算法 (WOA) 的自动化尿液分析设备,以优化BP神经网络. 该系统准确地预测尿液成分度实时.

关键词:
在BP神经网络中,神经网络尿液成分度 尿液成分度鱼优化算法 鱼优化算法

更多相关视频

A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites
13:35

A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites

Published on: March 1, 2018

14.8K
Hydrogel Nanoparticle Harvesting of Plasma or Urine for Detecting Low Abundance Proteins
10:05

Hydrogel Nanoparticle Harvesting of Plasma or Urine for Detecting Low Abundance Proteins

Published on: August 7, 2014

14.0K

相关实验视频

Last Updated: Sep 13, 2025

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

5.7K
A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites
13:35

A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites

Published on: March 1, 2018

14.8K
Hydrogel Nanoparticle Harvesting of Plasma or Urine for Detecting Low Abundance Proteins
10:05

Hydrogel Nanoparticle Harvesting of Plasma or Urine for Detecting Low Abundance Proteins

Published on: August 7, 2014

14.0K

科学领域:

  • 生物医学工程 生物医学工程
  • 分析化学 分析化学
  • 人工智能的人工智能

背景情况:

  • 尿液成分度的实时分析面临着准确性挑战.
  • 自动化尿液分析系统对于高效可靠的诊断至关重要.

研究的目的:

  • 开发一个完全自动化的尿液干化学测量分析装置.
  • 为了提高实时尿液成分度预测的准确性.
  • 使用鱼优化算法 (WOA) 来优化反向传播 (BP) 神经网络.

主要方法:

  • 一个图像采集系统 (ESP32S3芯片和GC2145摄像头) 收集了尿液测试带图像.
  • 图像处理和色彩校正校准的色彩数据.
  • 库贝尔卡-蒙克理论和酒-兰伯特定律确定了光和度之间的相关性.
  • 一个基于最小平方方法的数学模型将色度值和度联系起来.
  • WOA优化了BP神经网络的权重和值,以改善预测.

主要成果:

  • 开发的WOA-BP神经网络模型显示出高精度和准确性.
  • 预测与实际尿蛋白值的平均绝对误差 (MAE),根平均平方误差 (RMSE) 和R平方 (R2) 分别为3.1415,4.328和大约1.
  • 该系统在实时有效预测尿液成分度.

结论:

  • 自动测量棒分析设备与WOA优化的BP神经网络相结合,为准确的实时尿液分析提供了强大的解决方案.
  • 这种方法显著提高了尿液成分度的预测准确度.
  • 该研究强调了人工智能驱动的方法在自动化临床诊断中的潜力.