相关实验视频

Updated: May 2, 2026

Evaluating the Effect of Environmental Chemicals on Honey Bee Development from the Individual to Colony Level

Evaluating the Effect of Environmental Chemicals on Honey Bee Development from the Individual to Colony Level

Published on: April 1, 2017

蜜蜂蜂蜜中的金属作为美国环境污染的代理物

Tewodros Rango Godebo¹, Hannah Stoner¹, Pornpimol Taylor¹

¹Department of Environmental Health Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA.

Environmental pollution (Barking, Essex : 1987)

|October 31, 2024

概括

这项研究分析了美国蜂蜜中的金属,发现其含量低于全球平均水平,不构成健康风险. 和的独特地理模式要求进一步调查污染源.

科学领域:

环境科学环境科学
公共卫生公共卫生
食品安全食品安全

背景情况:

(As), (Pb) 和 (Cd) 等金属是引起公众健康关注的环境污染物.
蜂蜜是全球消费的食品,可以从环境中积累金属,作为生物指标.
关于美国各地蜂蜜中金属污染的地理差异的数据有限.

研究的目的:

进行美国蜂蜜中金属 (As,Pb,Cd,Ni,Cr,Co) 的首次大规模生物监测.
评估这些金属污染物的地理分布和潜在的公共卫生影响.
为了建立未来环境监测的基线金属度值.

主要方法:

在蜂蜜样本中分析金属度,使用诱导合等离子体质谱法 (ICP-MS).
统计分析和地理信息系统 (GIS) 工具用于评估空间分布模式.
使用危险系数 (HQ) 和危险指数 (HI) 计算的健康风险评估.

主要成果:

美国蜂蜜中的平均金属度 (As,Pb,Cd,Ni,Co,Cr) 明显低于报告的全球平均水平.
观察到不同的地理模式,西北州的含量更高,东南州的含量更高.
卫生风险评估表明,日常蜂蜜消费对儿童和成人没有不良健康问题,的致癌风险低于既定值.

结论:

美国蜂蜜通常含有低水平的有关金属,这表明消费对公共健康的风险很小.
金属污染的地理差异突出了当地环境污染 (空气,水,土壤) 和植物物种的影响.
建议对和热点的来源进行进一步调查,以了解环境暴露,并告知整治工作.

关键词:

蜜蜂蜂蜜蜂蜜蜂蜜蜂蜜生物指标,区域模式环境污染环境污染金属金属金属美国的美国.

更多相关视频

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Published on: November 15, 2017

Assessing Agrochemical Risk to Mated Honey Bee Queens

Assessing Agrochemical Risk to Mated Honey Bee Queens

Published on: March 3, 2021

相关概念视频

Metal-Ligand Bonds

Metal-Ligand Bonds

The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...

Properties of Organometallic Compounds

Properties of Organometallic Compounds

Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.

Types of Toxins

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...

Masking and Demasking Agents

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...

Microbial Leaching

Microbial Leaching

Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...

Acid Mine Drainage

Acid Mine Drainage

Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten...