منابع مشابه
Cockroach counts and house dust allergen concentrations after professional cockroach control and cleaning.
BACKGROUND It is known that cockroach allergen exposure is both frequent in inner-city homes and associated with asthma severity in children living in those homes. However, there have been few studies of interventions to reduce exposures in this setting. OBJECTIVE To evaluate the effect of short-term professional cockroach control and intensive cleaning on allergen concentrations. METHODS F...
متن کاملDisodium octaborate tetrahydrate (DOT) application and vacuum cleaning, a combined strategy to control house dust mites.
BACKGROUND The effectiveness of acaricides in homes is controversial. OBJECTIVE To determine whether disodium octaborate tetrahydrate (DOT) combined with vacuuming lowers dust mite numbers and their allergens in carpets and sofas. METHODS A 6-month study was carried out with 93 homes, which were randomized into three groups: (i). active, received DOT; (ii). placebo, received water; and (iii...
متن کاملThe use of domestic steam cleaning for the control of house dust mites.
BACKGROUND Control of dust mites using extremes of temperature is an alternative to the use of acaricides. In the past we have attempted control by freezing with liquid nitrogen. The present paper deals with the opposite extreme, the use of steam. OBJECTIVE To assess the feasibility and effectiveness of a domestic steam cleaner for the control of dust mites, its effect on mite populations and...
متن کاملHow Robotic Products Become Social Products: An Ethnographic Study of Cleaning in the House
Robots that work with people foster social relationships between people and systems. The home is an interesting place to study the adoption and use of these systems. The home provides challenges from both technical and interaction perspectives. In addition, the home is a seat for many specialized human behaviors and needs, and has a long history of what is collected and used to functionally, ae...
متن کاملCleaning Your House First: Shifting the Paradigm on How to Secure Networks
The standard paradigm when securing networks is to filter ingress traffic to the domain to be protected. Even though many tools and techniques have been developed and employed over the recent years for this purpose, we are still far from having secure networks. In this work, we propose a paradigm shift on the way we secure networks, by investigating whether it would not be efficient to filter e...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1903
ISSN: 0036-8733
DOI: 10.1038/scientificamerican10241903-289