相关实验视频

Updated: Jan 20, 2026

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

Published on: October 25, 2021

牙科诊所感染控制UV-C装置的特性和有效性参数

Kátia Cristiane Hall¹, Everton Granemann Souza², Chiara das Dores do Nascimento³

¹Graduate Program in Dentistry (PPGO), School of Dentistry Federal University of Pelotas (UFPel), Pelotas, RS, Brazil.

Photochemistry and photobiology

|January 18, 2026

概括

这项研究评估了一种用于牙科环境的新型紫外线C (UV-C) 消毒装置. 紫外线设备显著减少了表面上的细菌,证明了其作为补充感染控制工具的有效性.

科学领域:

微生物学微生物学
感染控制感染控制
环境健康环境健康

背景情况:

与医疗保健相关的感染 (HAI) 是牙科环境中的一个主要问题.
抗微生物耐药性需要新的消毒策略.
传统的清洁方法可能需要在牙科环境中进行增强.

研究的目的:

描述和评估一种新型紫外线C (UV-C) 消毒装置的有效性.
评估UV-C辐射分布及其对牙科诊所微生物减少的影响.
确定紫外线设备作为补充感染控制措施的可行性.

主要方法:

使用色度计剂量计绘制UV-C辐射分布图.
频谱测量技术评估了UV-C辐射频谱和强度.
微生物学分析量化了使用选择性agar的常见牙表面的细菌减少.

主要成果:

在大多数采样点观察到殖民地形成单位 (CFU) 的显著减少超过90%.
紫外线-C辐射显示,随着距离源的距离,辐射量呈指数级下降.
该设备即使在诸如牙科椅子扶手等高负荷表面上也表现出有效性.

结论:

专用UV-C消毒装置是牙科环境中有效的补充工具.
消毒效率受到暴露时间和距离UV-C源的距离的显著影响.
紫外线-C技术为传统的化学消毒方案提供了可行的补充,以对抗HAI.

关键词:

紫外线GIGI是指紫外线GI.紫外线-C消毒的消毒方法抗微生物耐药性抗微生物耐药性颜色测量剂量计颜色测量剂量计.牙科诊所牙科诊所牙科诊所感染控制的方法

更多相关视频

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Published on: August 5, 2020

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Published on: November 7, 2014

相关概念视频

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

This study presents the benchmarking results for an interlaboratory comparison (ILC) designed to test the standard operating procedure (SOP) developed for gold (Au) colloid dispersions characterized by ultraviolet-visible Spectroscopy (UV-Vis), amongst six partners from the H2020 ACEnano project for sample preparation, measurement, and analysis of the...

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Fabrication of piezoelectric thickness mode transducers via direct current sputtering of plate electrodes on lithium niobate is described. Additionally, reliable operation is achieved with a transducer holder and ﬂuid supply system and characterization is demonstrated via impedance analysis, laser doppler vibrometry, high-speed imaging, and droplet size distribution using laser...

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

This protocol is used to evaluate spatial and temporal gait variables of neurological/orthopedic patients and older persons by means of a recently-introduced floor-based photocell...

Isolation, Characterization and MicroRNA-based Genetic Modification of Human Dental Follicle Stem Cells

Isolation, Characterization and MicroRNA-based Genetic Modification of Human Dental Follicle Stem Cells

This protocol describes the transient genetic engineering of dental stem cells extracted from the human dental follicle. The applied non-viral modification strategy may become a basis for the improvement of therapeutic stem cell...

Isolation, Culture, and Characterization of Dental Pulp Stem Cells from Human Deciduous and Permanent Teeth

Isolation, Culture, and Characterization of Dental Pulp Stem Cells from Human Deciduous and Permanent Teeth

This protocol emphasizes the extraction, culture, and preservation of multipotent stem cells from dental pulp through enzymatic digestion. Additionally, it demonstrates their potential to differentiate into osteoblasts, adipocytes, and chondrocytes, highlighting the importance of precision and consistency in the...

Oral Biofilm Formation on Different Materials for Dental Implants

Oral Biofilm Formation on Different Materials for Dental Implants

Here, we present a protocol to evaluate oral biofilm formation on titanium and zirconia materials for dental prosthesis abutments, including the analysis of bacterial cells viability and morphological characteristics. An in situ model associated with powerful microscopy techniques is used for the oral biofilm...