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Displaying 29026 - 29050 of 143775

Formaldehyde Concentrations in a Net-Zero Energy House: Real-time Monitoring and Simulation

April 19, 2016
Author(s)
Dustin Poppendieck, Shahana S. Khurshid, William Stuart Dols, Lisa Ng, Brian Polidoro, Steven Emmerich
Measured real-time formaldehyde concentrations in a net-zero energy house were compared to simulated concentrations from a recently-developed, coupled building energy and airflow/indoor air quality model. Measured and simulated formaldehyde concentrations

Measuring Flame Retardant Emissions from Spray Polyurethane Foam in a Home

April 19, 2016
Author(s)
Dustin Poppendieck, Angelica Connor
The use of spray polyurethane foam (SPF) insulation in the United States is increasing. The primary flame retardant used in SPF, Tris (1-chloro-2-propyl) phosphate (TCPP), has been detected in micro-chamber emission experiments investigating SPF. However

Public Safety Analytics R&D Roadmap

April 19, 2016
Author(s)
Tracy A. McElvaney, Ryan Felts, Marc Leh
The public safety community is in a period of great transition. Over the next 20 years, technology advancements will increase accessibility of data/video applications to public safety, and allow for the eventual migration of voice communications from

Carbon Dioxide Generation Rates for Building Occupants

April 18, 2016
Author(s)
Andrew K. Persily, Lilian de Jonge
Indoor carbon dioxide (CO2) concentrations have been used for decades to characterize building ventilation and indoor air quality. Many of these applications require estimates of CO2 generation rates from the building occupants, which are currently based

Characterizing Uncertainty of a Formaldehyde Reference Standard

April 18, 2016
Author(s)
Dustin Poppendieck
High performance buildings need to be energy efficient and provide adequate ventilation for indoor air quality, which can be made easier with low emitting building materials. Based in part on these motivations, the United States Environmental Protection

Engineered metal nanoparticles in the sub-nanomolar levels kill cancer cells

April 18, 2016
Author(s)
Yasmine C. Daniels, William A. MacCrehan, Shinichiro Muramoto, Gheorghe NMN Stan, Vitaly Vodyanoy, Oleg Pustovyy
Zinc and copper metal nanoparticles were produced from bulk metal rods by an underwater high-voltage discharge method. The metal nanoparticles, with estimated diameters of 1 nm to 2 nm, were determined to be more than 85 % non-oxidized. Exposure of rat RG2

Low-template DNA: A single DNA analysis or two replicates?

April 18, 2016
Author(s)
Simone N. Gittelson, Carolyn R. Steffen, Michael D. Coble
This study investigates the following two questions: (i) Should the DNA analyst concentrate the DNA extract into a single amplification or should he/she split it up to do two replicates? (ii) Given the electropherogram obtained from a first analysis, is it

Structural control of mixed ionic and electronic transport in conducting polymers

April 17, 2016
Author(s)
Jonathan Rivnay, Sahika Inal, Brian Collins, Michelle Sessolo, Eleni Stavrindou, Christopher Tassone, Dean DeLongchamp, George Malliaras
Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate), PEDOT:PSS, has been utilized for over two decades as a stable, solution-processable conductor. While electrical properties have been the subject of intense materials investigation, recent
Displaying 29026 - 29050 of 143775
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