Search Results - "MacCuspie, Robert I"

Testing of Commercial Masks and Respirators and Cotton Mask Insert Materials using SARS-CoV‑2 Virion-Sized Particulates: Comparison of Ideal Aerosol Filtration Efficiency versus Fitted Filtration Efficiency by Hill, W. Cary, Hull, Matthew S, MacCuspie, Robert I

“…Shortages in the availability of personal protective face masks during the COVID-19 pandemic required many to fabricate masks and filter inserts from available…”
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Identification and Avoidance of Potential Artifacts and Misinterpretations in Nanomaterial Ecotoxicity Measurements by Petersen, Elijah J, Henry, Theodore B, Zhao, Jian, MacCuspie, Robert I, Kirschling, Teresa L, Dobrovolskaia, Marina A, Hackley, Vincent, Xing, Baoshan, White, Jason C

“…Novel physicochemistries of engineered nanomaterials (ENMs) offer considerable commercial potential for new products and processes, but also the possibility of…”
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Persistence of singly dispersed silver nanoparticles in natural freshwaters, synthetic seawater, and simulated estuarine waters by Chinnapongse, Stephanie L., MacCuspie, Robert I., Hackley, Vincent A.

“…This investigation focuses on predicting the persistence of citrate-capped 20 nm AgNPs by measuring their colloidal stability in natural freshwaters and…”
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Capabilities of Single Particle Inductively Coupled Plasma Mass Spectrometry for the Size Measurement of Nanoparticles: A Case Study on Gold Nanoparticles by Liu, Jingyu, Murphy, Karen E, MacCuspie, Robert I, Winchester, Michael R

“…The increasing application of engineered nanomaterials (ENMs) in consumer and medical products has motivated the development of single-particle inductively…”
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Humic Acid-Induced Silver Nanoparticle Formation Under Environmentally Relevant Conditions by Akaighe, Nelson, MacCuspie, Robert I, Navarro, Divina A, Aga, Diana S, Banerjee, Sarbajit, Sohn, Mary, Sharma, Virender K

“…The formation of silver nanoparticles (AgNPs) via reduction of silver ions (Ag+) in the presence of humic acids (HAs) under various environmentally relevant…”
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Adsorption and Conformation of Serum Albumin Protein on Gold Nanoparticles Investigated Using Dimensional Measurements and in Situ Spectroscopic Methods by Tsai, De-Hao, DelRio, Frank W, Keene, Athena M, Tyner, Katherine M, MacCuspie, Robert I, Cho, Tae Joon, Zachariah, Michael R, Hackley, Vincent A

“…The adsorption and conformation of bovine serum albumin (BSA) on gold nanoparticles (AuNPs) were interrogated both qualitatively and quantitatively via…”
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Measuring silver nanoparticle dissolution in complex biological and environmental matrices using UV–visible absorbance by Zook, Justin M., Long, Stephen E., Cleveland, Danielle, Geronimo, Carly Lay A., MacCuspie, Robert I.

“…Distinguishing the toxic effects of nanoparticles (NPs) themselves from the well-studied toxic effects of their ions is a critical but challenging measurement…”
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Measuring Agglomerate Size Distribution and Dependence of Localized Surface Plasmon Resonance Absorbance on Gold Nanoparticle Agglomerate Size Using Analytical Ultracentrifugation by Zook, Justin M, Rastogi, Vinayak, MacCuspie, Robert I, Keene, Athena M, Fagan, Jeffrey

“…Agglomeration of nanoparticles during measurements in relevant biological and environmental media is a frequent problem in nanomaterial property…”
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In Situ UV/Vis, SAXS, and TEM Study of Single-Phase Gold Nanoparticle Growth by Koerner, Hilmar, MacCuspie, Robert I, Park, Kyoungweon, Vaia, Richard A

“…Given the diverse scientific and technological applications of gold nanoparticles (Au NPs), understanding the impact of macromolecular additives on the…”
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UV-induced photochemical transformations of citrate-capped silver nanoparticle suspensions by Gorham, Justin M., MacCuspie, Robert I., Klein, Kate L., Fairbrother, D. Howard, Holbrook, R. David

“…Due to the increasing use of silver nanoparticles (AgNPs) in consumer products, it is essential to understand how variables, such as light exposure, may change…”
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Optical Properties of Rodlike Metallic Nanostructures: Insight from Theory and Experiment by Duan, Jinsong, Park, Kyoungweon, MacCuspie, Robert I, Vaia, Richard A, Pachter, Ruth

“…In this work, we combined synthesis of Au nanorods (AuNRs) and Au−Ag core−shell nanorod-like structures, of narrow size distribution in all dimensions and for…”
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Colloidal stability of silver nanoparticles in biologically relevant conditions by MacCuspie, Robert I.

“…Understanding the colloidal stability of nanoparticles (NPs) plays a key role in phenomenological interpretation of toxicological experiments, particularly if…”
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Biological Bottom-Up Assembly of Antibody Nanotubes on Patterned Antigen Arrays by Nuraje, Nurxat, Banerjee, Ipsita A, MacCuspie, Robert I, Yu, Lingtao, Matsui, Hiroshi

“…Application of biotechnology in nanofabrication has an advantage to produce functional building-block materials that may not have synthetic counterparts. Here…”
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Dissolution, Agglomerate Morphology, and Stability Limits of Protein-Coated Silver Nanoparticles by Martin, Matthew N, Allen, Andrew J, MacCuspie, Robert I, Hackley, Vincent A

“…Little is understood regarding the impact that molecular coatings have on nanoparticle dissolution kinetics and agglomerate formation in a dilute nanoparticle…”
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Stable nanoparticle aggregates/agglomerates of different sizes and the effect of their size on hemolytic cytotoxicity by Zook, Justin M., MacCuspie, Robert I., Locascio, Laurie E., Halter, Melissa D., Elliott, John T.

“…Abstract To study the toxicity of nanoparticles under relevant conditions, it is critical to disperse nanoparticles reproducibly in different agglomeration…”
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Purification-chemical structure-electrical property relationship in gold nanoparticle liquids by MacCuspie, Robert I., Elsen, Andrea M., Diamanti, Steve J., Patton, Steve T., Altfeder, Igor, Jacobs, J. David, Voevodin, Andrey A., Vaia, Richard A.

“…Macroscopic assemblies of nanoparticles with fluid like characteristics, i.e. nanoparticle liquids (NPLs), are a new class of materials that exhibit unique…”
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Does Shape Matter? Bioeffects of Gold Nanomaterials in a Human Skin Cell Model by Schaeublin, Nicole M, Braydich-Stolle, Laura K, Maurer, Elizabeth I, Park, Kyoungweon, MacCuspie, Robert I, Afrooz, A. R. M. Nabiul, Vaia, Richard A, Saleh, Navid B, Hussain, Saber M

“…Gold nanomaterials (AuNMs) have distinctive electronic and optical properties, making them ideal candidates for biological, medical, and defense applications…”
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Highly Stable Positively Charged Dendron-Encapsulated Gold Nanoparticles by Cho, Tae Joon, MacCuspie, Robert I, Gigault, Julien, Gorham, Justin M, Elliott, John T, Hackley, Vincent A

“…We report the development of a novel cationic dendron (TAG1-PCD) and a positively charged gold nanoparticle–dendron conjugate (PCD-AuNP). TAG1-PCD was designed…”
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Gold nanorod separation and characterization by asymmetric-flow field flow fractionation with UV–Vis detection by Gigault, Julien, Cho, Tae Joon, MacCuspie, Robert I., Hackley, Vincent A.

“…The application of asymmetric-flow field flow fractionation (A4F) for low aspect ratio gold nanorod (GNR) fractionation and characterization was…”
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Storage Wars: how citrate-capped silver nanoparticle suspensions are affected by not-so-trivial decisions by Gorham, Justin M., Rohlfing, Anne B., Lippa, Katrice A., MacCuspie, Robert I., Hemmati, Amy, David Holbrook, R.

“…A critical but often overlooked component of silver nanoparticle (AgNP) suspensions involves their behavior following short- and long-term storage. The current…”
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