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首页> 外文期刊>Aerobiologia >A 1-month online monitoring campaign of ambient fungal spore concentrations in the harbour region of Cork, Ireland
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A 1-month online monitoring campaign of ambient fungal spore concentrations in the harbour region of Cork, Ireland

机译：为期1个月的爱尔兰科克海港地区环境真菌孢子浓度在线监测活动

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摘要

The airborne monitoring of bioaerosols has become a research area attracting significant scientific interest over the last few years because of potential impacts on human health. For example, so-called primary aerosol biological particles (PBAPs) such as pollen and fungal spores are known to induce allergic responses and therefore exacerbate reactions such as allergenic rhinitis (hay fever) and chronic obstructive pulmonary disease. Although impaction/optical microscopy has been used for many years to quantify airborne PBAPs, the use of fluorescence as an underpinning method to enable the development of online ("real-time") instruments, such as the Waveband Integrated Bioaerosol Sensor (WIBS), is recent. In the current study, the conventional method of PBAPs sampling (automatic Hirst-type volumetric trap) was co-located with a WIBS-4 instrument at a campaign site in Cork, Ireland, close to its Harbour, for much of the month of July in 2010. The extensive data set thereby obtained represents important results to test the ability of the WIBS-4 approach to detect and quantify biological particles in the coarse to super-coarse size range (3-30 A mu m) at a location with semi-rural, semi-urban and coastal influences. Quantitative and qualitative comparisons were made between the different approaches. It is clear from the results obtained in this short field campaign performed in a relatively complex ambient air environment that the WIBS-4 instrument in low gain can provide very similar concentration patterns to those obtained by more traditional instrumentation used for the evaluation of fungal spore concentration levels. WIBS does, however, appear to overestimate particle concentrations in comparison with data obtained using the SporeWatch/optical microscopy approach. Interestingly, certain time periods in the campaign gave rise to contrasting fluorescence averages that correlated with the concentrations of certain fungal spore types monitored by the traditional impaction/optical microscopy approach. This phenomenon may be due to the differing biofluorophores available to differing spore types. The collection of real-time, early-warning signals of periods in which high releases of spores are occurring could prove to be beneficial in the construction of allergenic health warnings for the general public. This study should be considered as a proof of principle about the possibility of using light-induced fluorescence methods for fungal spore detection in ambient air.
机译：由于对人体健康的潜在影响，生物气溶胶的空气监测已成为近几年来引起重大科学兴趣的研究领域。例如，已知诸如花粉和真菌孢子的所谓的初级气溶胶生物颗粒（PBAP）诱导过敏反应，并因此加剧诸如过敏性鼻炎（花粉热）和慢性阻塞性肺病的反应。尽管撞击/光学显微镜已用于量化空气中的PBAP多年，但使用荧光作为基础方法可以开发在线（“实时”）仪器，例如波段集成生物气溶胶传感器（WIBS），是最近的。在当前的研究中，传统的PBAP采样方法（自动Hirst型体积阱）与WIBS-4仪器在7月的大部分时间在爱尔兰科克市靠近海港的战役现场共存。在2010年获得的大量数据代表了重要的结果，即测试WIBS-4方法检测和定量从半到半粗粒度（从3到30微米不等）的生物颗粒的能力。 -农村，半城市和沿海地区的影响。在不同方法之间进行了定量和定性比较。从在相对复杂的周围空气环境中进行的这一短距离战役中获得的结果很明显，低增益的WIBS-4仪器可提供与通过用于真菌孢子浓度评估的更传统仪器所获得的浓度模式非常相似的浓度模式水平。但是，与使用SporeWatch /光学显微镜方法获得的数据相比，WIBS确实高估了颗粒浓度。有趣的是，运动中的某些时间段产生了对比的荧光平均值，该荧光平均值与通过传统的撞击/光学显微镜方法监测的某些真菌孢子的浓度相关。此现象可能是由于可用于不同孢子类型的不同生物荧光团引起的。收集孢子大量释放的时期的实时预警信号可能被证明对构建面向公众的过敏性健康警告有益。该研究应被视为有关在环境空气中使用光诱导荧光方法检测真菌孢子的可能性的原则证明。

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  • 来源
    《Aerobiologia》 |2015年第3期|295-314|共20页
  • 作者

    OConnor David J.; Healy David A.; Sodeau John R.;

  • 作者单位

    Natl Univ Ireland Univ Coll Cork, Dept Chem, Cork, Ireland|Natl Univ Ireland Univ Coll Cork, Environm Res Inst, Cork, Ireland;

    Natl Univ Ireland Univ Coll Cork, Dept Chem, Cork, Ireland|Natl Univ Ireland Univ Coll Cork, Environm Res Inst, Cork, Ireland;

    Natl Univ Ireland Univ Coll Cork, Dept Chem, Cork, Ireland|Natl Univ Ireland Univ Coll Cork, Environm Res Inst, Cork, Ireland;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Aerobiology; Fungal spores; Real-time air monitoring; Fluorescence;

    机译：空气生物学;真菌孢子;实时空气监测;荧光;

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