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Fabrication of porous collagen-stem cells-dexamethasone scaffold as a novel approach for regeneration of mandibular bone defect.
Oral Maxillofac Surg
March 2025
Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: Bone defects, particularly in the mandible, pose significant clinical challenges due to the limited regenerative capacity. Effective bone tissue engineering requires biomaterials that promote both osteogenesis and angiogenesis. This study developed an optimized collagen-nano hydroxyapatite scaffold loaded with dexamethasone and stem cells to enhance bone regeneration.
View Article and Find Full Text PDFOptimized Porous KTi(PO)@N-Doped Carbon Electrode for Enhanced Sodium/Potassium-Storage and Accelerated Activation Process.
ACS Appl Mater Interfaces
March 2025
Northwest Institute for Nonferrous Metal Research, Xi'an, Shannxi 710016, China.
Porous KTi(PO) nanoparticles are synthesized via a solvothermal method and subsequently modified with nitrogen-doped carbon layers by using polydopamine as the carbon source. The resultant KTi(PO)@N-doped carbon composite (KTP@NC) exhibits a preserved porous structure with abundant pores, facilitating ion diffusion and electrolyte infiltration. Various characterizations, including X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy, reveal the successful formation of an interconnected nitrogen-doped carbon network.
View Article and Find Full Text PDFN-Heterocyclic Carbene vs. Thiophene - Chiral Adsorption and Unidirectional Rotation on Au(111).
Angew Chem Int Ed Engl
March 2025
Center for Advancing Electronics Dresden, TU Dresden, 01062, Dresden, Germany.
N-Heterocyclic carbenes are highly effective ligands for anchoring functional organic molecules to metal surfaces and nanoparticles, facilitating the formation of self-assembled monolayers. However, their adsorption on surface is difficult to predict and control, and there is an ongoing debate on the geometry of NHC derivatives on gold surfaces and on the role of gold adatoms. We present two single molecules based on a benzimidazole NHC, one equipped with a thiophene substituent, and the other ending with a Br atom.
View Article and Find Full Text PDFResearch on Wet Etching Techniques for GaInAs/AlInAs/InP Superlattices in Quantum Cascade Laser Fabrication.
Nanomaterials (Basel)
March 2025
Department of Optical Engineering, School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China.
Wet etching is the mainstream fabrication method for single-bar quantum cascade lasers (QCLs). Different etching solutions result in varying etching effects on III-V semiconductor materials. In this study, an efficient and nearly ideal etching solution ratio was proposed for simultaneously etching both InP and GaInAs/AlInAs, and the surface chemical reactions induced by each component of the etching solution during the process were investigated.
View Article and Find Full Text PDFTemperature-Dependent Morphology Modulation of MoO from 1D Nanoribbons to 2D Nanoflakes for Enhanced Two-Dimensional Electrode Applications.
Nanomaterials (Basel)
March 2025
State Key Laboratory of Radio Frequency Heterogeneous Integration, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China.
The morphology modulation of target crystals is important for understanding their growth mechanisms and potential applications. Herein, we report a convenient method for modulating the morphology of MoO by controlling different growth temperatures. With an increase in growth temperature, the morphology of MoO changes from a nanoribbon to a nanoflake.
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