在图书馆对空气中的真菌子进行生物恶化风险评估
Yiniva Camargo-Caicedo1,2, Hilary Borja Pérez2, Maryann Muñoz Fuentes2
1Programa de Ingeniería Ambiental y Sanitaria, Facultad de Ingeniería, Universidad del Magdalena, Santa Marta 470004, Colombia.
Journal of fungi (Basel, Switzerland)
|October 25, 2024
概括
图书馆中的真菌子对书籍构成中等风险. 发现了像Aspergillus这样的常见品种,表明了基于纤维素的材料的潜在生物降解.
科学领域:
- 图书馆科学 图书馆科学
- 菌类学 菌类学是指菌类学.
- 保护科学 保护科学
背景情况:
- 基于纤维素的图书馆材料上的真菌生长会导致显著的生物退化,影响物理,化学和美学质量.
- 评估真菌喷雾剂度对于理解和减轻对文化遗产藏品的风险至关重要.
研究的目的:
- 评估两个有人工通风的公共图书馆的真菌气溶度和生物降解风险.
- 为了确定与潜在的生物恶化相关的占主导地位的真菌属和物种.
- 为了将环境条件与真菌存在和风险水平相关联.
主要方法:
- 采用两阶段可行的安德森级联冲击器对萨博劳德 (Sabouraud) 甲酸糖的空气采样.
- 使用数字热湿度计测量温度和相对湿度.
- 鉴定真菌属和物种,重点关注纤维素降解潜力.
主要成果:
- 真菌气溶度很低,平均约为35 CFU/m3.
- 阿斯伯吉勒斯,克拉多斯波里亚和佩尼西是占主导地位的属,阿斯伯吉勒斯尼格尔是最丰富的物种.
- 记录了稳定的环境条件 (平均温度25.2°C,平均相对湿度52.1%).
结论:
- 在这两家图书馆中都发现了中等潜在的生物恶化风险.
- Aspergillus属表现出最高的纤维素活性,对图书馆材料构成更大的风险.
- 建议对真菌气溶进行监测和控制,以保护图书馆藏品.
相关概念视频
Microbial Bioremediation of Pesticides
85
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
85
Biodeterioration
86
Biodeterioration refers to the unwanted alteration of materials caused by microorganisms—especially fungi—which damage both organic substrates (paper, wood, textiles) and inorganic ones (stone, plaster, glass). Unlike abiotic decay, biodeterioration results from biological activity that produces physical disruption and chemical degradation.Physical deterioration occurs as fungal hyphae penetrate pores, cracks, and surface irregularities. Hyphal turgor pressure, thigmotropic growth...
86
Microbial Spoilage of Food
218
Microbial food spoilage refers to the degradation of food quality resulting from the metabolic activity of microorganisms such as bacteria, yeasts, and molds. These microbes proliferate on various food substrates depending on factors such as moisture content, nutrient availability, and storage conditions, leading to undesirable sensory and structural changes.Bacteria are primary agents of spoilage in high-moisture, nutrient-dense foods like meat, milk, and vegetables. Microbial spoilage occurs...
218


