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Displaying 1 - 25 of 269

mDTEB, a new fluorescent label for carbohydrate nano-material in vivo studies

May 27, 2023
Author(s)
Jeremiah Woodcock, Douglas M. Fox, Ilabahen A. Patel, Joy Dunkers, Stephan J. Stranick, Jeffrey W. Gilman
Typical studies of gastral toxicity are conducted using radio labeling. This tends to be quite expensive and difficult owing to the required protocols for working with these materials and the expense of the chemical reagents. A possible alternative is

Imidazolium Modified Clay Based ABS Nanocomposites: A Comparison Between Melt-Blending and Solution Sonication Processes

October 12, 2021
Author(s)
M Modesti, S Besco, A Lorenzetti, Mauro Zammarano, V Causin, C Marega, Jeffrey W. Gilman, D M. Fox, Paul C. Trulove, Hugh C. De Long, P H. Maupin
Acrylonitrile-butadiene-styrene (ABS) nanocomposites containing imidazolium-modified montmorillonite have been prepared by melt-blending and solution-sonication in order to study the effects of processing on the morphology and properties of the polymer

Layered Double Hydroxides as Cation Exchange Materials

October 12, 2021
Author(s)
Paul Braterman, Nandika A. D'Souza, Jeffrey W. Gilman, Mickey C. Richardson, Laxmi K. Sahu, Mauro Zammarano
Layered double hydroxides (LDH) are a class of materials formally related to brucite-like hydroxides by the incorporation of higher valent cations, such as Al(III). The layer charge is neutralized by the insertion of any of a large range of exchangeable

Optical Probes for Monitoring Intercalation and Exfoliation in Melt Processed Polymer Nanocomposites

October 12, 2021
Author(s)
P H. Maupin, Jeffrey W. Gilman, Richard H. Harris Jr., S Bellayer, Anthony J. Bur, S C. Roth, A B. Morgan, J R. Harris, M Murariu
Laser induced fluorescence spectroscopy of the optical probe Nile Blue A in polymer clay nanocomposites is described. Concentration quenching of fluorescence dominates probe behavior until the clay platelets are physically separated by polymer

Synthesis and Characterization of Siloxy-Containing Imidazolium Ionic Liquids

October 12, 2021
Author(s)
Paul A. Wheeler, Jeffrey W. Gilman, L J. Mathias
A novel family of siloxy-containing imidazolium ionic liquids was synthesized and their thermal and decomposition properties studied. Three of the four compounds exhibited an unexpectedly low decomposition temperature of ca. 200 C that appears to be due to

Synthesis of Imidazolium Salts and Their Application in Epoxy Montmorillonite Nanocomposites

October 12, 2021
Author(s)
Joseph Langat, S Bellayer, P Hudrlik, A Hudrlik, P H. Maupin, Jeffrey W. Gilman, D T. Raghavan
Considerable research has been conducted in improving the performance characteristics of nanocomposites, however, relatively few attempts have been made to address the thermal stability of nanocomposite. An attempt is being made to improve the thermal

Flourescently labeled cellulose nanofibers for environmental health and safety studies

April 9, 2021
Author(s)
Jeremiah Woodcock, Ilabahen A. Patel, Ryan Beams, Stephan J. Stranick, Jeffrey W. Gilman, Douglas M. Fox, Marina Mulenos, Christie Sayes, Maryam Salari, Deloid Glen, Philip Demokritou, Bryan Harper, Harper Stacey, Ong Kimberly, Jo Anne Shatkin
An optimal methodology for locating and tracking cellulose nanofibers (CNF) in vitro and in vivo is crucial to evaluate the environmental health and safety properties of these nanomaterials. Here, we report the use of a new boron-dipyrromethene (BODIPY)

Comparative study of multiwall carbon nanotube nanocomposites by Raman, SEM, and XPS measurement techniques

March 3, 2021
Author(s)
Yanmei Piao, Vipin Tondare, Chelsea S. Davis, Justin Gorham, Elijah Petersen, Jeffrey W. Gilman, Keana Scott, Andras Vladar, Angela R. Hight Walker
Substantial ongoing research efforts are investigating the production of novel composite material enhanced by the incorporation of nanomaterial fillers such as multiwall carbon nanotubes (MWCNTs). While the addition of MWCNTs have been shown to improve the

Damage sensing using a mechanophore crosslinked epoxy resin in single-fiber composites

May 26, 2020
Author(s)
Jeremiah W. Woodcock, Richard J. Sheridan, Ryan Beams, Stephan J. Stranick, William F. Mitchell, Jeffrey W. Gilman, Gale A. Holmes, Catherine L. Brinson, Vamshi Gudapati, hartman David, Amol Vaidya
Natural and man-made composite materials must be tough, durable and damage tolerant1,2. For man-made composites to rival, or exceed, the dynamic, multifunctional performance of natural materials new information about the fundamental mechanisms responsible

Interfaces In Aromatic Polymer-Nanocellulose Composites

March 22, 2019
Author(s)
Douglas M. Fox, Jeremiah Woodcock, Sindhu Seethamraju, Jeffrey W. Gilman, Katrina Wakeman, Tess Ravick
Formation of well dispersed cellulose – polymer composites is a challenge. This is magnified when preparing composites using nanoscale materials, where the bulk properties are dominated by interfacial properties. In this chapter, synthetic and processing
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