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Processing Parameter-Performance Nexus in 3D Printing of Nanostructured Chiral Photonics.
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Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA.
Precisely crafted hierarchical architectures found in naturally derived biomaterials underpin the exceptional performance and functionality showcased by the host organism. In particular, layered helical assemblies composed of cellulose, chitin, or collagen serve as the foundation for some of the most mechanically robust and visually striking natural materials. By utilizing structured materials in additive manufacturing techniques such as extrusion-based 3D printing, the intrinsic deformation process can be used to implement bottom-up design of printed constructs, offering the potential to create intricate macroscale geometries with embedded nanoscale functionality.
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School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China.
Core-shell structures demonstrate superior capability in customizing properties across multiple scales, offering valuable potential in catalysis, medicine, and performance materials. Integrating functional nanoparticles in a spatially controlled manner is particularly appealing for developing sophisticated architectures that support heterogeneous characteristics and tandem reactions. However, creating such complex structures with site-specific features remains challenging due to the dynamic microenvironment during the shell-forming process, which considerably impacts colloidal particle assembly.
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Center for Research on Advanced Fiber Technologies (CRAFT), Materials Research Institute and Huck Institute of Life Sciences, Pennsylvania State University, University Park, Pennsylvania 16802, USA.
Molecular composites, such as bone and nacre, are everywhere in nature and play crucial roles, ranging from self-defense to carbon sequestration. Extensive research has been conducted on constructing inorganic layered materials at an atomic level inspired by natural composites. These layered materials exfoliated to 2D crystals are an emerging family of nanomaterials with extraordinary properties.
View Article and Find Full Text PDFUltrafast chirality-dependent dynamics from helicity-resolved transient absorption spectroscopy.
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State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, P.R. China.
Chirality, a pervasive phenomenon in nature, is widely studied across diverse fields including the origins of life, chemical catalysis, drug discovery, and physical optoelectronics. The investigations of natural chiral materials have been constrained by their intrinsically weak chiral effects. Recently, significant progress has been made in the fabrication and assembly of low-dimensional micro and nanoscale chiral materials and their architectures, leading to the discovery of novel optoelectronic phenomena such as circularly polarized light emission, spin and charge flip, advocating great potential for applications in quantum information, quantum computing, and biosensing.
View Article and Find Full Text PDFLauryl-NrTP6 lipopeptide self-assembled nanorods for nuclear-targeted delivery of doxorubicin.
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Soft Matter Nanotechnology, Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 194, 20014, Donostia-San Sebastián, Spain.
Targeted delivery offers solutions for more efficient therapies with fewer side effects. Here, lipopeptides (LPs) prepared by conjugation of the nuclear-targeting peptide analogue H-YKQSHKKGGKKGSG-NH (NrTP6) and two lauric acid chains are used to encapsulate the chemotherapeutic agent doxorubicin (DX) through a solvent-exchange protocol. LPs spontaneously form nanosized rod-like assemblies in phosphate buffer.
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