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相关概念视频

Data Validation01:15

Data Validation

161
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
161
Development of Analytical Methods01:21

Development of Analytical Methods

414
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...
414
Qualitative Analysis01:10

Qualitative Analysis

246
Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
246

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相关实验视频

Updated: Jun 26, 2025

Author Spotlight: Technologies and Challenges in Elemental Analysis of Food Samples
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食品认证,当前问题,分析技术和未来的挑战:全面审查

Ali Haider1, Shahzad Zafar Iqbal1, Ijaz Ahmad Bhatti2

  • 1Food Safety and Toxicology Lab, Department of Applied Chemistry, Government College University, Faisalabad, Punjab, Pakistan.

Comprehensive reviews in food science and food safety
|May 14, 2024
PubMed
概括

确保食品的真实性和防止污染对于消费者健康和宗教信仰至关重要. 本综述强调了先进的分析技术,包括分子生物标记方法,用于可靠的食品认证,特别是动物制品.

关键词:
食品分析 食品分析食品认证的真实性 食品的真实性食品欺诈行为 食品欺诈行为食品安全 食品安全

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Species Determination and Quantitation in Mixtures Using MRM Mass Spectrometry of Peptides Applied to Meat Authentication
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PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis
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相关实验视频

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科学领域:

  • 食品科学 食品科学 食品科学
  • 分析化学 分析化学
  • 生物技术是生物技术.

背景情况:

  • 食品认证和污染是消费者关心的关键问题,影响健康,宗教实践和有机食品选择.
  • 来自动物的食品特别容易受到欺诈,可能导致健康风险和消费者信任的下降.

研究的目的:

  • 审查食品认证和食品欺诈方面的近期挑战.
  • 全面检查食品真实性验证的创新分析技术.
  • 专注于基于分子生物标志物技术的高风险动物来源食品.

主要方法:

  • 审查关于食品认证和分析技术的科学文献.
  • 专注于基于分子生物标志物的方法:基因组学,蛋白质组学和代谢组学.
  • 讨论用于确定地理来源的分析方法.

主要成果:

  • 确定了近期食品认证和欺诈方面的重大问题.
  • 详细介绍了食品认证各种分析技术的开发和创新.
  • 强调需要对动物衍生产品采用可靠的方法,包括分子生物标记技术.

结论:

  • 先进的分析技术对于准确的食品认证至关重要,特别是在动物产品方面.
  • 基于分子生物标记的方法为复杂的食物矩阵提供了强大的解决方案.
  • 分析方法的持续创新支持食品安全,预防欺诈和消费者信心.