ACS Nano

Journal Article

High-Speed Spectral Characterization of Single-Molecule SERS Fluctuations

Schmidt, Makayla M.; Farley, Emily A.; Engevik, Marit A.; Adelsman, Trey N.; Tuckmantel Bido, Ariadne;

2023 ACS Nano

doi:10.1021/acsnano.2c12457 pmid:36951254

The concept of plasmonic “hotspots” is central to the broad field of nanophotonics. In surface-enhanced Raman scattering (SERS), hotspots can increase Raman scattering efficiency by orders of magnitude. Hotspot dimensions may range from a few nanometers down to the atomic scale and are able to...

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Journal Article

On-Demand, Reversible, Ultrasensitive Polymer Membrane Based on Molecular Imprinting Polymer

Mintz Hemed, Nofar; Leal-Ortiz, Sergio; Zhao, Eric T.; Melosh, Nicholas A.

2023 ACS Nano

doi:10.1021/acsnano.2c11618 pmid:36913954

The development of in vivo, longitudinal, real-time monitoring devices is an essential step toward continuous, precision health monitoring. Molecularly imprinted polymers (MIPs) are popular sensor capture agents that are more robust than antibodies and have been used for sensors, drug delivery,...

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Journal Article

Technology Roadmap for Flexible Sensors

Luo, Yifei; Abidian, Mohammad Reza; Ahn, Jong-Hyun; Akinwande, Deji; Andrews, Anne M.;

2023 ACS Nano

doi:10.1021/acsnano.2c12606 pmid:36892156

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side...

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Journal Article

Bioinspired Stabilization of Amorphous Calcium Carbonate by Carboxylated Nanocellulose Enables Mechanically Robust, Healable, and Sensing Biocomposites

Wu, Wanlin; Lu, Zhixing; Lu, Canhui; Sun, Xunwen; Ni, Bing;

2023 ACS Nano

doi:10.1021/acsnano.2c12385 pmid:36946540

Nature builds numerous structurally complex composites with fascinating mechanical robustness and functionalities by harnessing biopolymers and amorphous calcium carbonate (ACC). The key to successfully mimicking these natural designs is efficiently stabilizing ACC, but developing highly...

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Journal Article

Black Phosphorus as Tunable Van der Waals Quantum Wells with High Optical Quality

Zhang, Guowei; Huang, Shenyang; Chaves, Andrey; Yan, Hugen

2023 ACS Nano

doi:10.1021/acsnano.3c00904

Van der Waals quantum wells, naturally formed in two-dimensional layered materials with nanoscale thickness, possess many inherent advantages over conventional molecular beam epitaxy grown counterparts, and could bring up intriguing physics and applications. However, optical transitions...

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Journal Article

Fibriform Organic Electrochemical Diodes with Rectifying, Complementary Logic and Transient Voltage Suppression Functions for Wearable E‑Textile Embedded Circuits

Choi, Kwang-Hun; Kim, Soo Jin; Kim, Hyoungjun; Jang, Ho Won; Yi, Hyunjung;

2023 ACS Nano

doi:10.1021/acsnano.2c12418 pmid:36881690

In this study, a fibriform electrochemical diode capable of performing rectifying, complementary logic and device protection functions for future e-textile circuit systems is fabricated. The diode was fabricated using a simple twisted assembly of metal/polymer semiconductor/ion gel coaxial...

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Journal Article

Determination of 2D Particle Size Distributions in Plasmonic Nanoparticle Colloids via Analytical Ultracentrifugation: Application to Gold Bipyramids

Frank, Uwe; Drobek, Dominik; Sánchez-Iglesias, Ana; Wawra, Simon E.; Nees, Nico;

2023 ACS Nano

doi:10.1021/acsnano.2c12257 pmid:36920091

Multidimensional particle properties determine the product properties in numerous advanced applications. Accurate and statistically meaningful measurements of complex particles and their multidimensional distributions are highly challenging but strongly needed. 2D particle size distributions of...

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Journal Article

Remodeling Tumor Immunogenicity with Dual-Activatable Binary CRISPR Nanomedicine for Cancer Immunotherapy

Xing, Yumeng; Yang, Jianhui; Wang, Yunlong; Wang, Chun; Pan, Zheng;

2023 ACS Nano

doi:10.1021/acsnano.2c12107 pmid:36897187

The specific recognition of cancer cells by the body’s immune system is an essential step in initiating antitumor immunity. However, the decreased expression of major histocompatibility complex class I (MHC-1) and overexpression of programmed death ligand 1 (PD-L1) causes insufficient...

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Journal Article

Foodborne Carbon Dot Exposure Induces Insulin Resistance through Gut Microbiota Dysbiosis and Damaged Intestinal Mucus Layer

Zhang, Boya; Fan, Xingpei; Du, Haining; Zhao, Meimei; Zhang, Ziyi;

2023 ACS Nano

doi:10.1021/acsnano.3c01005 pmid:36897192

Foodborne carbon dots (CDs), an emerging food nanocontaminant, are an increasing risk factor for metabolic toxicity in mammals. Here, we report that chronic CD exposure induced glucose metabolism disorders via disruption of the gut–liver axis in mice. 16s rRNA analysis demonstrated that CD...

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Journal Article

Enhanced H+ Storage of a MnO2 Cathode via a MnO2 Nanolayer Interphase Transformed from Manganese Phosphate

Zuo, You; Meng, Tengfei; Tian, Hao; Ling, Lei; Zhang, Huanlin;

2023 ACS Nano

doi:10.1021/acsnano.2c11469

The MnO2 cathode has attracted extensive attention in aqueous zinc ion battery research due to its environmental benignity, low cost, and high capacity. However, sluggish kinetics of hydrated zinc ion and manganese dissolution lead to insufficient rate and cycle performances. In this study, a...

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