Nanometer-scale patterning of hard and soft interfaces: From photolithography to molecular-scale design

A Singh, A Shi, SA Claridge - Chemical Communications, 2022 - pubs.rsc.org
Many areas of modern materials chemistry, from nanoscale electronics to regenerative
medicine, require design of precisely-controlled chemical environments at near-molecular …

Low-temperature reversible thermochromic polydiacetylene/zinc (II)/zinc oxide nanocomposites for colorimetric sensing

N Phonchai, C Khanantong, F Kielar… - ACS Applied Nano …, 2019 - ACS Publications
A series of reversible thermochromic polydiacetylene/zinc (II) ion/zinc oxide (PDA/Zn2+/ZnO)
nanocomposites have been prepared using seven types of diacetylene monomer. The …

Surface-templated glycopolymer nanopatterns transferred to hydrogels for designed multivalent carbohydrate–lectin interactions across length scales

A Singh, JC Arango, A Shi, JB d'Aliberti… - Journal of the …, 2023 - ACS Publications
Multivalent interactions between carbohydrates and proteins enable a broad range of
selective chemical processes of critical biological importance. Such interactions can extend …

Phase transition, structure and color-transition behaviors of monocarboxylic diacetylene and polydiacetylene assemblies: The opposite effects of alkyl chain length

C Khanantong, N Charoenthai, T Phuangkaew… - Colloids and Surfaces A …, 2018 - Elsevier
This contribution demonstrates the structural-property relationship of diacetylene (DA) and
polydiacetylene (PDA) assemblies in solid state and aqueous suspension. We explore two …

Nanostructured Surface Functionalization of Polyacrylamide Hydrogels Below the Length Scale of Hydrogel Heterogeneity

JC Arango, LO Williams, A Shi, A Singh… - … Applied Materials & …, 2022 - ACS Publications
Hydrogels are broadly used in applications where polymer materials must interface with
biology. The hydrogel network is amorphous, with substantial heterogeneity on length …

Oleylamine impurities regulate temperature-dependent hierarchical assembly of ultranarrow gold nanowires on biotemplated interfaces

EN Lang, AG Porter, T Ouyang, A Shi, TR Hayes… - ACS …, 2021 - ACS Publications
Nanocrystals are often synthesized using technical grade reagents such as oleylamine
(OLAm), which contains a blend of 9-cis-octadeceneamine with trans-unsaturated and …

Lipids: An atomic toolkit for the endless frontier

A Shi, SA Claridge - ACS nano, 2021 - ACS Publications
The evolution of lipids in nanoscience exemplifies the powerful coupling of advances in
science and technology. Here, we describe two waves of discovery and innovation in lipid …

Trans and saturated alkyl impurities in technical-grade oleylamine: Limited miscibility and impacts on nanocrystal growth

EN Lang, CJ Pintro, SA Claridge - Chemistry of Materials, 2022 - ACS Publications
Oleylamine (OLAm) is commonly used in nanocrystal synthesis as a 70% purity technical-
grade reagent containing large amounts of trans and saturated alkylamine impurities. Large …

Plenty of Room at the Top: A Multi‐Scale Understanding of nm‐Resolution Polymer Patterning on 2D Materials

A Shi, TA Villarreal, A Singh, TR Hayes… - Angewandte …, 2021 - Wiley Online Library
Lamellar phases of alkyldiacetylenes in which the alkyl chains lie parallel to the substrate
represent a straightforward means for scalable 1‐nm‐resolution interfacial patterning. This …

1-nm-wide hydrated dipole arrays regulate AuNW assembly on striped monolayers in nonpolar solvent

AG Porter, T Ouyang, TR Hayes, J Biechele-Speziale… - Chem, 2019 - cell.com
We show that striped phases of horizontally oriented phospholipids presenting 1-nm-wide
orientable dipole arrays can order and straighten flexible 2-nm-diameter gold nanowires …