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Fully 4D-Printed Near-Infrared-Actuated Lab-on-Valve Solid-Phase Extraction Devices.
Anal Chem
December 2024
Department of Chemistry, National Chung Hsing University, Taichung City 402202, Taiwan, ROC.
Four-dimensional printing (4DP) technologies can expand the functionality of stimuli-responsive devices to enable the integration of multiple stimuli-responsive parts into a compact device. Herein, we used digital light processing three-dimensional printing technique, flexible photocurable resins, and photocurable resins of the temperature-responsive hydrogels comprising -isopropylacrylamide (NIPAM), ,'-methylenebis(acrylamide) (MBA), and graphene for 4DP of a lab-on-valve (LOV) solid-phase extraction (SPE) device. This device featured flow manifolds and a monolithic packing connected by four near-infrared (NIR)-actuated temperature-responsive switching valves composed of a poly(NIPAM/MBA) (PNM) ball pushing a flexible membrane.
View Article and Find Full Text PDFAntifouling Immunomodulatory Copolymer Architectures That Inhibit the Fibrosis of Implants.
Adv Mater
December 2024
David H Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
Immune reactions to medical implants often lead to encapsulation by fibrotic tissue and impaired device function. This process is thought to initiate by protein adsorption, which enables immune cells to attach and mount an inflammatory response. Previously, several antifibrotic materials have been either designed to reduce protein adsorption or discovered via high-throughput screens (HTS) to favorably regulate inflammation.
View Article and Find Full Text PDFPDDA-Assisted Synthesis of Magnetic Fluorescent FeO@SiO-CQD Composites.
Langmuir
December 2024
Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.
Magnetic fluorescent nanomaterials have broad application prospects as taggants in fields such as anticounterfeiting identification, suspicious object tracking, and potential fingerprint recognition in forensic medicine. It is a common method to synthesize magnetic fluorescent composite nanoparticles by preparing a shell on the surface of magnetic particles to load fluorescent materials. In this work, a magnetic fluorescence nanohybrid was synthesized by in situ encapsulation of carbon quantum dots (CQDs) during the preparation of a SiO shell on the surface of FeO nanoparticles.
View Article and Find Full Text PDFNovel Nanoliposomes Synergistically Modulated by Sitogluside and Dioscin: Stability, Bioavailability, and Capacity To Alleviate Hyperuricaemia.
J Agric Food Chem
December 2024
Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, People's Republic of China.
Cholesterol (Cho) is commonly used to stabilize nanoliposomes; however, there is controversy on the relationship between Cho and health. In this study, we developed a novel multifunctional nanoliposome utilizing structurally similar sitogluside (SG) and dioscin (Dio) instead of Cho to anchor the phospholipid bilayer and synergistically modulate the membrane properties of the nanoliposome (DPPC or DOPC). The storage and gastrointestinal tract stability experiment demonstrated that the changes of physical and chemical properties, including the significantly reduced size and Dio retention rate of nanoliposomes synergistically modulated by SG and Dio compared to those of SG alone, regulated nanoliposomes.
View Article and Find Full Text PDFRegulating Carbon Vacancies and Undercoordinated Mo Sites in MoC Catalysts Toward Photo-Thermal Catalytic Conversion of Biomass Into H Fuel.
Small
December 2024
College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, People's Republic of China.
The conversion of biomass into chemical fuels is exciting but quite challenging in the development of an effective conversion strategy to generate easily-separated products without energy consumption. Herein, a lignocellulosic biomass-to-H conversion system via photo-thermal catalysis over MoC hierarchical nanotube catalysts in an acidic solution, in which the lignocellulose is hydrolyzed to small organic molecules (such as glucose, etc) by dilute HSO, and then the resulting glucose is oxidized by MoC catalyst to generate H are reported. During the photo-thermal catalytic processes, the carbon vacancy in MoC catalysts results in the generation of undercoordinated Mo sites, which act as active sites for both biomass oxidation and H generation reactions.
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