Results 41 to 50 of about 26,266 (228)
Materials Research Express, 2021 Plastics have become a severe risk to natural ecosystems and human health globally in the last two decades. The outbreak of the coronavirus pandemic, which led to the manufacturing and use of billions of facemasks made from non-biodegradable and ...
Junaid Khan +4 more
doaj +1 more source
Early and late facemask therapy
The European Journal of Orthodontics, 2001 The purpose of this study was to determine the dental and skeletal effects of facemask therapy, and to evaluate the effect of age on treatment response. The material consisted of lateral cephalometric radiographs of 34 subjects with Class III malocclusions treated with a Delaire type facemask.
Yuksel, S, Ucem, TUBA, Keykubat, A
openaire +3 more sources
Facemask and Respirator in Reducing the Spread of Respiratory Viruses; a Systematic Review
Archives of Academic Emergency Medicine, 2021 Introduction: Respiratory viruses spread fast, and some manners have been recommended for reducing the spread of these viruses, including the use of a facemask or respirator, maintaining hand hygiene, and perfoming social distancing.
Negin Shaterian +4 more
doaj +1 more source
Performance Comparison of Two Anaesthetic Facemasks [PDF]
Anaesthesia and Intensive Care, 2007 When considering anaesthetic masks, the quality of the mask-face seal is a key determinant of performance. This randomised crossover trial utilises expired oxygen concentration to compare the efficacy of two routinely used facemasks. Thirty subjects were randomised to breathe 100% oxygen via either a traditional reusable black rubber mask or the ...
A J, Ball +3 more
openaire +2 more sources
Short‐term effects of a modified A lt‐ RAMEC protocol for early treatment of C lass III malocclusion: a controlled study [PDF]
, 2014 Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/109361/1/ocr12051 ...
Defraia, E. +3 more
core +1 more source
Clinical and Experimental Dental Research, 2019 Objectives To evaluate the effect of maxillary protraction with facemask therapy on mandibular rotation taking into account the initial and final vertical growth pattern of each participant in order to evaluate our null hypothesis: The use of facemask in
Liseth Salazar +5 more
doaj +1 more source
Facemasks and Walk Distance in Pulmonary Arterial Hypertension Patients
Mayo Clinic Proceedings: Innovations, Quality & Outcomes, 2021 Little is known about the effect of wearing a facemask on the physiological and perceptual responses to exercise in patients with pulmonary arterial hypertension (PAH). We performed a single-center retrospective study to evaluate whether facemask wearing
Scott A. Helgeson, MD +4 more
doaj +1 more source
Optimization and Dose Estimation of Aerosol Delivery to Non-Human Primates [PDF]
, 2016 Background: In pre-clinical animal studies, the uniformity of dosing across subjects and routes of administration is a crucial requirement. In preparation for a study in which aerosolized live-attenuated measles virus vaccine was administered to ...
Amerongen, G. (Geert) van +5 more
core +2 more sources
A highly efficient cloth facemask [PDF]
, 2021 Abstract Wearing masks and face coverings helps reduce transmission of respiratory diseases. Much prior research on mask filtration efficiency has focused on fabric type, with less consideration given to mask design and shape. Here, we present evidence that increasing the mouth-mask separation distance engenders an increase in the mask-fabric ...
Christopher Cappa +7 more
openaire +1 more source
Inactivating SARS‐CoV‐2 Virus with MOF‐Composites as Smart Face Masks
Advanced Functional Materials, EarlyView.In situ preparation and functionalization of MOF@Cotton fabrics as smart face masks for the immobilization of proteins and inactivation viruses, such as SARS‐CoV‐2. Abstract The significant impact of the SARS‐CoV‐2 (COVID‐19) pandemic outbreak on people's lives has highlighted the urgent need for effective personal protective equipment.
Romy Ettlinger +9 more
wiley +1 more source