This article reports the surgical technique and outcome of simultaneous bone grafting and implant placement. A new treatment philosophy different than the principle of guided bone regeneration is presented. The technique is characterized by grafting autogenous bone into a peri-implant bone defect rather than by regenerating bone in a secluded space. Stabilization of the autogenous bone graft is achieved with a micro titanium mesh. The study sample comprised 10 implant sites in six patients. All sites were successfully treated, and postoperative healing was uneventful. The autogenous bone grafts demonstrated perfect integration upon reevaluation when the implants were recovered. The micro titanium mesh proved to be highly biocompatible, exhibited excellent mechanical properties, and avoided graft displacement and contour collapse.
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In Vitro Model
June 2024
Department of Mechanical Engineering, Colorado State University, Fort Collins, CO USA.
Cardiovascular diseases (CVDs) remain the leading cause of death worldwide, and the most common form is coronary artery disease (CAD). Treatment options include coronary artery bypass surgery (CABG) or percutaneous heart intervention (PCI), but both have drawbacks. Bare metal stents (BMS) are commonly used to treat CAD; however, they lead to restenosis.
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January 2025
Institute for Micro Integration (IFM), University of Stuttgart, Allmandring 9B, 70569 Stuttgart, Germany.
The current demand for highly sensitive, optical sensors in biodiagnostics has prompted the development of ultrathin metal coatings on a range of substrates. Given the potential attenuation of the signal from a plasmonic sensor for the detection of fluorescent molecules when an adhesion layer between the substrate and coating is employed, this study examines the impact of various factors on the adhesion strength between gold coatings and substrates comprising glass and cyclo-olefin-polymer (COP). The objective is to identify potential configurations for high adhesion strength, thereby eliminating the need for an adhesion layer in the fabrication of optical sensors with gold coatings for diagnostic applications or to utilize a minimal adhesion layer thickness.
View Article and Find Full Text PDFMaterials (Basel)
January 2025
School of Civil and Architectural Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
Research on micro-alloyed steel is a strategic measure to meet the needs of various industries and promote green development, and it is essential for many major steel-producing countries. Currently, the mainstream micro-alloying elements in the research and application of micro-alloyed steel are V, Ti, and Nb. Due to the high price of V, the actual production is mostly achieved by adding titanium-niobium composite to change the properties of high-strength steel.
View Article and Find Full Text PDFMicromachines (Basel)
January 2025
School of Engineering, Deakin University, 75 Pigdons Rd., Waurn Ponds, Geelong, VIC 3216, Australia.
The metal bipolar plate is a critical component of the hydrogen fuel cell stack used in proton exchange membrane fuel cells. Bipolar plates must have high accuracy micro-channels with a high aspect ratio () between the channel depth and the half periodic width to achieve optimal cell performance. Conventional forming methods, such as micro-stamping, hydroforming, and rubber pad forming, cannot achieve these high ARs given that in these processes, material deformation is dominated by stretch deformation.
View Article and Find Full Text PDFNanomaterials (Basel)
January 2025
Guangdong Key Laboratory of Materials and Equipment in Harsh Marine Environment, School of Ocean Engineering, Guangzhou Maritime University, Guangzhou 510725, China.
Metal oxide semiconductor (MOS) hydrogen sensors offer advantages, such as high sensitivity and fast response, but their challenges remain in achieving low-cost fabrication and stable operation at room temperature. This study investigates Nb-doped TiO (NTO) thin films prepared via a one-step micro-arc oxidation (MAO) with the addition of NbO nanoparticles into the electrolyte for room-temperature hydrogen sensing. The characterization results revealed that the incorporation of NbO altered the film's morphology and phase composition, increasing the Nb content and forming a homogeneous composite thin film.
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