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Search Publications by

Elisabeth Mansfield (Fed)

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Displaying 1 - 25 of 50

Thermal Analysis of Nanoparticles: Methods, Kinetics, and Recent Advances

October 13, 2021
Elisabeth Mansfield, Mark Banash
This chapter provides an overview of the thermal techniques available to study nanoparticles, with particular attention to thermogravimetric analysis, calorimetry and differential scanning calorimetry. The advantages of thermal analysis for nanoparticle

Thermophysical Properties of Polyol Ester Lubricants

August 20, 2019
Thomas J. Bruno, Tara Fortin, Marcia L. Huber, Arno D. Laesecke, Eric Lemmon, Elisabeth Mansfield, Mark O. McLinden, Stephanie L. Outcalt, Richard A. Perkins, Kimberly N. Urness, Jason A. Widegren
This report summarizes the results of work performed for the Naval Air Warfare Center Aircraft Division by the National Institute of Standards and Technology (NIST), Applied Chemicals and Materials Division on the properties of polyol ester lubricants

Bubble Point Measurements of Neopentane + Ethane Mixtures

March 14, 2019
Elisabeth Mansfield, Vladimir Diky
Bubble point measurements have been taken on three compositions of neopentane + ethane systems. The results are modeled with a Peng-Robinson equation with symmetrical mixing rule and a Helmholtz-energy based 4-parameter model. Interaction parameters for

Bubble-Point Measurements and Modeling of Binary Mixtures of Linear Siloxanes

August 20, 2018
Luuc Keulen, Elisabeth Mansfield, Ian Bell, Andrea Spinelli, A. Guardone
The bubble-point pressures of three binary mixtures of linear siloxanes have been mea4 sured. The binary mixtures consist of hexamethyldisiloxane (MM) which is mixed with ei5 ther octamethyltrisiloxane (MDM), decamethyltetrasiloxane (MD2M), and

Enzyme-Lignin Binding Variation in Commercial Cellulase Preparations Bind Differently to Dioxane Extracted Lignins

May 1, 2017
John M. Yarbrough, Ashutosh Mittal, Elisabeth Mansfield, Larry Taylor, Stephen R. Decker, Michael E. Himmel, Todd B. Vinzant
Commercial fungal cellulases used in biomass-to-biofuels processes can be grouped into three general classes: native, augmented, and engineered. Colorimetric assays for general glycosyl hydrolase activities showed distinct differences in enzyme binding to

Introducing a New NIST Reference Material: Multiwall Carbon Nanotube Soot

July 25, 2016
Ann C. Chiaramonti Debay, Ryan M. White, Jason D. Holm, Elisabeth Mansfield
Multi-walled carbon nanotubes (MWCNTs) play a significant role in the nascent nanotechnology industry, due to their remarkable combination of mechanical, thermal, and electrical properties. These materials are specialty additives, reinforcing a diverse

Quantification of carbon nanotubes in environmental matrices: Current capabilities, case studies, and future improvements

April 6, 2016
Elijah J. Petersen, D. X. Flores-Cervantes, Thomas Bucheli, Lindsay C. Elliott, Jeffrey A. Fagan, Alexander Gogos, Shannon Hanna, Antonio R. Montoro Bustos, Desiree L. Plata, Vytautas Reipa, Paul Westerhoff, Michael R. Winchester, Elisabeth Mansfield
Carbon nanotubes (CNTs) have numerous exciting potential applications approaching commercialization. As such, quantitative measurements of CNTs in key environmental matrices (water, soil, sediment, and biological tissues) are needed to address concerns

Morphological and Electrical Characterization of MWCNT Papers and Pellets

December 27, 2015
Elisabeth Mansfield, Ari D. Feldman, Ann C. Chiaramonti Debay, John H. Lehman, Alexandra E. Curtin
Six types of multiwall carbon nanotube soot were obtained and prepared into buckypapers by pellet pressing and by filtration into a paper. These samples were evaluated with respect to thickness, compressibility and electrical conductivity. DC conductivity

New perspective on glycoside hydrolase binding to lignin from pretreated corn stover

December 18, 2015
John M. Yarbrough, Ashutosh Mittal, Elisabeth Mansfield, Larry Taylor, Sarah Hobdey, Deanne W. Sammond, Yannick J. Bomble, Michael F. Crowley, Stephen R. Decker, Michael E. Himmel, Todd B. Vinzant
Non-specific binding of cellulases to lignin has been implicated as a major factor in the loss of cellulase activity during biomass conversion to sugars. It is believed that this binding may strongly impact process economics through loss of enzyme

Thermal Analysis of Nanoparticles: Methods, Kinetics and Recent Advances

May 4, 2015
Elisabeth Mansfield
This chapter will provide an overview of the thermal techniques available to study nanoparticles, including thermogravimetric analysis, calorimetry and differential scanning calorimetry. The use of thermoanalysis for the measurement of nanoparticle purity

Predicting enzyme adsoprtion to lignin films from enzyme surface hydrophobicity

May 29, 2014
Deanne W. Sammond, John M. Yarbrough, Elisabeth Mansfield, Yannick J. Bomble, Sarah Hobdey, Stephen R. Decker, Larry Taylor, Michael G. Resch, Michael E. Himmel, Todd B. Vinzant, Michael F. Crowley
The loss of digestive activity of cellulase cocktails on biomass is a major challenge, commonly attributed to the binding of certain enzymes to lignin. While the binding mechanism remains unclear, hydrophobic interactions between enzymes and lignin are