Results 231 to 240 of about 1,014,437 (288)
Fluorescent Nanosensor for Indole‐3‐Propionic Acid Detection in Gut Health Monitoring
Advanced Healthcare Materials, EarlyView.This work introduces a fluorescent nanosensor system with two optical modalities for detection of indole‐3‐propionic acid (IPA) gut metabolite: (1) blue‐emitting cationic conjugated polyelectrolyte (CP3) and (2) near‐infrared (NIR)‐emitting CP3‐wrapped single‐walled carbon nanotube (SWNT).
Mervin Chun‐Yi Ang +15 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.Pressure skin wounds are frequent complications after spinal cord injury (SCI), with impaired healing due to vascular and immune deficits. Elastin‐like polypeptides (ELP) fused to α‐MSH (MSH‐ELP) or MCP‐1 (MCP‐ELP) are developed and tested on these wounds. The resulting nanoparticles are non‐toxic and bioactive, and they enhance macrophage recruitment,
Suneel Kumar +7 more
wiley +1 more source
[Association between environmental noise exposure and sleep quality in adults living in Medellín, Colombia, 2022: an exploratory study]. [PDF]
Cad Saude PublicaRojas-Sánchez OA +4 more
europepmc +1 more source
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Environmental noise, sleep and health
Sleep Medicine Reviews, 2007Unlike other physical ambient factors (i.e. electromagnetic fields or air pollutants), noise is perceived by a specific system (auditory system) in humans. It is therefore a phenomenon that is sensed and evaluated by everybody, and this is why exposure to noise is one of the most, if not the most, frequent complaints of populations living in large ...
openaire +4 more sources
The Journal of the Acoustical Society of America, 2021
This session will introduce participants to the principles of measurement, analysis, and control of environmental noise. Topics will include the selection and operation of sound level meters, statistical descriptors, ordinances and regulations, standards, propagation modeling, and sound barrier applications. No prior experience with environmental noise
Wayne T. Davis +2 more
openaire +2 more sources
This session will introduce participants to the principles of measurement, analysis, and control of environmental noise. Topics will include the selection and operation of sound level meters, statistical descriptors, ordinances and regulations, standards, propagation modeling, and sound barrier applications. No prior experience with environmental noise
Wayne T. Davis +2 more
openaire +2 more sources
2003
Abstract Noise contamination can be defined quite simply as unwanted sound. At high sound pressure levels it can cause temporary and/or permanent losses in our capacity to hear and/or understand speech and in our ability to hear and enjoy music. At lower sound pressure levels it can still be a significant environmental sensory stress.
Morton Lippmann +2 more
openaire +2 more sources
Abstract Noise contamination can be defined quite simply as unwanted sound. At high sound pressure levels it can cause temporary and/or permanent losses in our capacity to hear and/or understand speech and in our ability to hear and enjoy music. At lower sound pressure levels it can still be a significant environmental sensory stress.
Morton Lippmann +2 more
openaire +2 more sources
American Journal of Speech-Language Pathology, 1998
The effects of environmental noise were estimated from automatic computer-assisted analyses of voice samples. Signals consisted of a live voice sample and a synthesized triangular waveform. Noise was generated from a personal computer fan. Six different A-weighted signal-to-noise [S/N(A)] conditions were created for the live voice and synthetic signal—
Dennis R-S Ingrisano +2 more
openaire +1 more source
The effects of environmental noise were estimated from automatic computer-assisted analyses of voice samples. Signals consisted of a live voice sample and a synthesized triangular waveform. Noise was generated from a personal computer fan. Six different A-weighted signal-to-noise [S/N(A)] conditions were created for the live voice and synthetic signal—
Dennis R-S Ingrisano +2 more
openaire +1 more source
The Journal of the Acoustical Society of America, 1974
An environmental noise monitor has been designed, constructed, and tested for the U. S. Environmental Protection Agency. The system includes a Brüel & Kjaer 4921 outdoor microphone system, a Wang 600-14 computing calculator as the digital controller and statistical analyzer, and a Nagra SJ tape recorder for analog recording.
P. D. Schomer, A. Konheim
openaire +1 more source
An environmental noise monitor has been designed, constructed, and tested for the U. S. Environmental Protection Agency. The system includes a Brüel & Kjaer 4921 outdoor microphone system, a Wang 600-14 computing calculator as the digital controller and statistical analyzer, and a Nagra SJ tape recorder for analog recording.
P. D. Schomer, A. Konheim
openaire +1 more source