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 …

Inkjet Printing of Nanoscale Functional Patterns on 2D Crystalline Materials and Transfer to Soft Materials

JC Arango, CJ Pintro, A Singh… - ACS Applied Materials & …, 2024 - ACS Publications
Nanometer-scale control over surface functionality is important in applications ranging from
nanoscale electronics to regenerative medicine. However, approaches that provide precise …

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 …

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 …

Designing Interfacial Reactions for Nanometer-Scale Surface Patterning of PDMS with Controlled Elastic Modulus

LO Williams, EK Nava, A Shi, TJ Roberts… - … Applied Materials & …, 2023 - ACS Publications
Control over the surface chemistry of elastomers such as polydimethylsiloxane (PDMS) is
important for many applications. However, achieving nanostructured chemical control on …

Enabling Tunable Water‐Responsive Surface Adaptation of PDMS via Metal–Ligand Coordinated Dynamic Networks

X Zhang, R Crisci, JA Finlay, H Cai… - Advanced Materials …, 2022 - Wiley Online Library
Polymers are at the core of emerging flexible sensor and soft actuator technology. Ideal
candidates not only respond to external stimuli but also have programmable response …

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 …

Nanometer-Scale Precision Polymer Patterning of PDMS: Multiscale Insights into Patterning Efficiency Using Alkyldiynamines

A Shi, A Singh, LO Williams, JC Arango… - … Applied Materials & …, 2022 - ACS Publications
Most high-resolution interfacial patterning approaches are restricted to crystalline inorganic
interfaces. Recently, we have shown that it is possible to generate 1 nm resolution functional …

Nanoscale Surface Chemical Patterning of Soft Polyacrylamide with Elastic Modulus Similar to Soft Tissue

TN Tirey, A Singh, JC Arango… - Chemistry of …, 2024 - ACS Publications
Nanometer-scale control over surface functionalization of soft gels is important for a variety
of applications including controlling interactions with cells for in vitro cell culture and for …

Sub-10 μm Soft Interlayers Integrating Patterned Multivalent Biomolecular Binding Environments

EK Nava, A Singh, LO Williams… - … Applied Materials & …, 2024 - ACS Publications
Designing surfaces that enable controlled presentation of multivalent ligand clusters (eg, for
rapid screening of biomolecular binding constants or design of artificial extracellular …