Analyses of Indoor Humidity Environment in Nationally Residential Houses of Japan

Zhang, Huibo; Yokota, Hiroshi; Murakami, Shuzo; Bogaki, Kazuaki; Tanaka, Toshihiko; Akabayashi, Shin ichi; Abe, Keiko

doi:10.3130/aijt.15.453

Cited by 9 publications

(4 citation statements)

References 2 publications

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“…The Ministry of the environment recommends indoor temperatures of 28°C and 20°C for summer and winter, respectively. The average room temperature and relative humidity in the living room of 12 houses in the Kanto region were 27.3°C/67.0%, respectively, in summer and 17.6°C/48.1%, respectively, in winter 24 . Therefore, the climates of Hong Kong and Japan are quite different.…”

Section: Discussionmentioning

confidence: 83%

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Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Hattori,

Morisaki,

Matsumoto

et al. 2023

J Cutaneous Imm & Allergy

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ObjectivesAtopic dermatitis (AD) is aggravated by various factors, including perspiration and heat. Thus, it is recommended that AD patients wear breathable clothing to maintain disease remission. Japan has four seasons, so the ideal clothing for individuals with AD may differ throughout the year. The aim of this study was to evaluate the impact of wearing a newly developed performance fabric, named the Comfiknit Atopic Eczema® T‐shirt, which absorbs excess perspiration from the skin surface and retains moisture within the fabric. We evaluated the effects of the T‐shirts on the clinical characteristics of AD and compared the effects in summer and winter.MethodsTen adult outpatients with AD took part in an open‐label pilot study for 4 weeks during the summer and for 4 weeks during the winter. The Eczema Area and Severity Index (EASI), the Patient‐Oriented Eczema Measure (POEM), the itch Visual Analogue Scale (VAS), the stratum corneum water content (SCWC), skin pH, and skin bacterial cultures were evaluated. A Treatment Satisfaction Questionnaire for Medication‐9 (TSQM‐9) was filled out only after the intervention.ResultsThe mean EASI, POEM, and itch VAS scores in both summer and winter fell after wearing the Comfiknit Atopic Eczema® T‐shirts, whereas the SCWC increased. There was no significant difference in the skin surface pH or bacterial cultures before and after the intervention.ConclusionsWearing Comfiknit Atopic Eczema® T‐shirts helped to prevent exacerbation of AD in summer and winter. Thus, wearing T‐shirts made from performance fabric may help to maintain skin homeostasis.

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Section: Discussionmentioning

confidence: 83%

“…The average room temperature and relative humidity in the living room of 12 houses in the Kanto region were 27.3°C/67.0%, respectively, in summer and 17.6°C/48.1%, respectively, in winter. 24 Therefore, the climates of Hong Kong and Japan are quite different. However, the room temperature and relative humidity inside houses are similar.…”

Section: Discussionmentioning

confidence: 99%

Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Hattori,

Morisaki,

Matsumoto

et al. 2023

J Cutaneous Imm & Allergy

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“…Incidentally, it was reported that the indoor humidity of houses of Japan was 25% to above 80% throughout the year Zhang et al, 2009 . Thus, the humidity conditions in Trouwborst s experiment are considered to cover those of the general environment.…”

Section: Discussionmentioning

confidence: 99%

Advanced Analysis to Distinguish between Physical Decrease and Inactivation of Viable Phages in Aerosol by Quantitating Phage-Specific Particles

Shimasaki

Nojima²,

Sakakibara³

et al. 2018

Biocontrol Sci.

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Recent studies have investigated the efficacy of air-cleaning products against pathogens in the air. A standard method to evaluate the reduction in airborne viruses caused by an air cleaner has been established using a safe bacteriophage instead of pathogenic viruses; the reduction in airborne viruses is determined by counting the number of viable airborne phages by culture, after operating the air cleaner. The reduction in the number of viable airborne phages could be because of "physical decrease" or "inactivation". Therefore, to understand the mechanism of reduction correctly, an analysis is required to distinguish between physical decrease and inactivation. The purpose of this study was to design an analysis to distinguish between the physical decrease and inactivation of viable phi-X174 phages in aerosols. We established a suitable polymerase chain reaction PCR system by selecting an appropriate primer-probe set for PCR and validating the sensitivity, linearity, and specificity of the primer-probe set to robustly quantify phi-X174-specific airborne particles. Using this quantitative PCR system and culture assay, we performed a behavior analysis of the phage aerosol in a small chamber 1 m 3 at different levels of humidity, as humidity is known to affect the number of viable airborne phages. The results revealed that the reduction in the number of viable airborne phages was caused not only by physical decrease but also by inactivation under particular levels of humidity. Our study could provide an advanced analysis to differentiate between the physical decrease and inactivation of viable airborne phages.

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“…Als zentrale (auch in der öffent -lichen Diskussion befindliche) Themen sind hierbei Schimmelphäno -mene an Wänden und gesundheitliche Probleme durch künstliche Lüftung zu benennen [34]. Die öko-logischen Probleme eines hohen Energieverbrauches sind hingegen kaum ein Thema, auch wenn diese in Regierungs papieren und Ratingsystemen wie dem japanischen Nach haltig keitslabel CASBEE Beachtung finden [35].…”

Section: Development Of Mould In Contemporary Japanese Residential unclassified

Nutzer‐ und klimaangepasstes Bauen — Leitbild und Chance für die globale Verbreitung von nachhaltigen Gebäudelösungen

2010

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Analyses of Indoor Humidity Environment in Nationally Residential Houses of Japan

Cited by 9 publications

References 2 publications

Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Advanced Analysis to Distinguish between Physical Decrease and Inactivation of Viable Phages in Aerosol by Quantitating Phage-Specific Particles

Nutzer‐ und klimaangepasstes Bauen — Leitbild und Chance für die globale Verbreitung von nachhaltigen Gebäudelösungen

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Analyses of Indoor Humidity Environment in Nationally Residential Houses of Japan

Cited by 9 publications

References 2 publications

Impact of wearing Comfiknit Atopic Eczema® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Impact of wearing Comfiknit Atopic Eczema® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Advanced Analysis to Distinguish between Physical Decrease and Inactivation of Viable Phages in Aerosol by Quantitating Phage-Specific Particles

Nutzer‐ und klimaangepasstes Bauen — Leitbild und Chance für die globale Verbreitung von nachhaltigen Gebäudelösungen

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Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study

Impact of wearing Comfiknit Atopic Eczema^® T‐shirts on patients with atopic dermatitis: An open‐label pilot study