Article
Materials Science, Ceramics
Y. W. Sari, A. Saputra, A. Bahtiar, N. A. Nuzulia
Summary: This paper investigates the effects of microwave irradiation treatment on the properties of nanohydroxyapatite (nanoHAP) materials, highlighting the advantages of rapid heating, reduced reaction time, and increased productivity. Microwave irradiation is shown to facilitate the transformation of eggshell calcium into nanoHAP and the production of smaller particles with extended irradiation. Toxicity analysis reveals high cell viability of human embryonic cells after exposure to nanoHAP obtained from microwave irradiation treatment, indicating its potential as a biomaterial.
CERAMICS INTERNATIONAL
(2021)
Article
Thermodynamics
M. S. Pattanaik, S. K. Cheekati, V. B. Varma, R. Ramanujan
Summary: Heat transfer efficiency is a major challenge in many industrial and commercial systems, where conventional heat pipes are limited by their heat transport performance. A magnetic cooling device based on ferrofluid technology can transfer heat over longer distances, exhibiting self-pumping and self-regulating characteristics. Enhanced cooling is achieved near strong magnetic fields, with Nusselt number showing maximum values.
APPLIED THERMAL ENGINEERING
(2022)
Article
Engineering, Mechanical
Agnieszka Maria Tomala, Dagmara Slota, Wioletta Florkiewicz, Karina Pietak, Mateusz Dylag, Agnieszka Sobczak-Kupiec
Summary: The biomaterial coatings described in this study have bioactivity and are suitable for bone tissue regeneration. They contain polymers, ceramics, and components of high biological value. The addition of ceramic phase should be controlled to avoid negative effects on material properties. The sample composed of PVP/PEG/GSH/COL/HA (5%) shows good performance and is suitable for bone regeneration.
Article
Thermodynamics
G. H. Kaneko, W. A. S. Conceicao, F. C. Colman, A. S. Cocci, C. S. Alves, G. C. Pupim, G. H. Kubota, V. C. Oliveira, P. Trevizoli
Summary: Thermomagnetic motors utilize the effect of heat on ferromagnetic materials to generate power, with main components being the magnetic material and magnetic circuit. A novel concept of a linear thermomagnetic motor using a double-C shape permanent magnet magnetic circuit to convert thermal energy into mechanical energy was proposed in this work, with preliminary results showing potential applications in utilizing low-grade thermal waste.
APPLIED THERMAL ENGINEERING
(2021)
Article
Chemistry, Physical
Mariusz Hasiak, Jan Swierczek
Summary: The microstructure and physical properties of the Fe75Zr4Ti3Cu1B17 amorphous alloy were measured, indicating its single-phase amorphous ferromagnetic nature, high refrigerant capacity, and mechanical hardness.
Article
Energy & Fuels
Daniel Dzekan, Tim D. Kischnik, Anett Diestel, Kornelius Nielsch, Sebastian Fahler
Summary: Thermomagnetic harvesting converts low-grade waste heat to electricity using thermomagnetic materials. This study discovers the double peaks in the induced voltage, which negatively affect the output power. The avoidance of double peaks can be achieved by adjusting the flow of the cold and hot fluids.
JOURNAL OF PHYSICS-ENERGY
(2022)
Article
Materials Science, Characterization & Testing
Katarzyna Nawrotek, Jacek Grams, Robert Sobczyk, Monika Kubicka, Beata Czeladzinska, Piotr Jozwiak
Summary: Chitosan-hydroxyapatite tubular-shaped hydrogel structures have been obtained by electrophoretic deposition, showing great potential in peripheral nerve tissue engineering. The formation mechanism involves protonation of chitosan ions and their attraction to H2PO4- groups on hydroxy-apatite particles in an acidic environment, resulting in the deposition of an insoluble chitosan-hydroxyapatite-calcium carbonate deposit on the cathode surface. This understanding can provide insights for modeling desired deposit properties on an industrial scale.
Article
Metallurgy & Metallurgical Engineering
David Weiss, Bart Murphy, Michael J. Thompson, Hunter B. Henderson, Orlando Rios, Gerard M. Ludtka, Michael S. Kesler, Aurelien Perron
Summary: Processing materials under magnetic fields is an underexplored technique that can improve structure and mechanical properties in metals and alloys by altering phase stability, diffusion characteristics, and material flow. This technique can be applied during melting, solidification, or postprocessing operations in castings to achieve structural changes, resulting in improved mechanical properties and reduced heat treatment times for all alloys.
INTERNATIONAL JOURNAL OF METALCASTING
(2021)
Article
Chemistry, Physical
Lukas Fink, Kornelius Nielsch, Sebastian Fahler
Summary: Thermomagnetic generators convert waste heat into electric energy, and the choice of active thermomagnetic material is crucial for their performance. This study focuses on optimizing Heusler films for thermomagnetic applications by examining key thermomagnetic properties and correlating them with common properties such as crystal structure and magnetic characteristics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Joel Joseph, Erika Fontana, Thibaut Devillers, Nora M. Dempsey, Manfred Kohl
Summary: Thermomagnetic generation is a promising technology for converting low-grade waste heat into electricity. The development of efficient thermomagnetic generators requires tailored thermomagnetic materials and innovative designs for fast heat transfer. This study reports on the performance of a Gadolinium (Gd)-film-based thermomagnetic generator optimized for resonant self-actuation near room temperature, which exhibits high oscillation frequencies and large strokes, resulting in efficient conversion of thermal energy into electrical energy.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Multidisciplinary Sciences
Xianliang Liu, Haodong Chen, Jianyi Huang, Kaiming Qiao, Ziyuan Yu, Longlong Xie, Raju V. Ramanujan, Fengxia Hu, Ke Chu, Yi Long, Hu Zhang
Summary: Low grade waste heat accounts for the majority of total waste heat, however, conventional waste heat recovery technology is not efficient for recovering low grade waste heat. Therefore, we designed a thermomagnetic generator that uses a magnetocaloric material as a switch in the magnetic circuit. This design allows for a simpler and more efficient system compared to previous devices. Through experiments and simulations, we optimized the power density of our device and achieved significantly higher performance than other existing generators.
NATURE COMMUNICATIONS
(2023)
Article
Materials Science, Multidisciplinary
P. Agalya, G. Suresh Kumar, Ramalingam Srinivasan, K. M. Prabu, Gopalu Karunakaran, S. Cholan, Evgeny Kolesnikov, Myunghee Kim
Summary: The study reports the synthesis of antibacterial biomaterials using mussel shells as a calcium source and integrating silver ions via wet precipitation method. The synthesized materials exhibit good antibacterial inhibition on Staphylococcus aureus and Escherichia coli, with hardness and elastic modulus similar to cancellous bone. These materials show potential as bone fillers for treating bone infections.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Materials Science, Multidisciplinary
F. Guillou, H. Yibole, B. Narsu, V. Hardy
Summary: In this study, the volume-preserving transition behavior in the Fe2P material system was experimentally investigated, revealing a significant correlation between the discontinuity in cell parameters and transition entropy change. The findings provide a foundation for systematizing the properties of first-order magnetic transitions (FOMT) in the Fe2P materials system and demonstrate the crucial role of deformation in volume-preserving FOMT.
RESULTS IN PHYSICS
(2023)
Article
Engineering, Biomedical
Anna Kozelskaya, Alexander Fedotkin, Igor Khlusov, Larisa Litvinova, Sergei Tverdokhlebov
Summary: The study examined the influence of different working gases (Ne, Ar, Kr, Xe) on the properties of thin calcium phosphate coatings deposited on titanium substrates. The results showed that as the atomic mass of the working gas increased, the polar component of surface free energy increased while the dispersion component decreased. All CaP coatings demonstrated a significant protective effect, reducing the number of dead cells in culture by half compared to the Ti control group. The most biocompatible coatings were those formed in the atmosphere of Xe and Ar, stimulating cell division and gene expression.
BIOMEDICAL MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Saurabh Singh, Na Liu, Yu Zhang, Amin Nozariasbmarz, Sumanta Kumar Karan, Lavanya Raman, Gagan K. Goyal, Shweta Sharma, Wenjie Li, Shashank Priya, Bed Poudel
Summary: This study demonstrates a high-performance Gd5Si2.4Ge1.6 thermomagnetic alloy that meets the requirements of magnetic phase transition, magnetization change, and thermal conductivity. By introducing Ge doping in Gd5Si4, the magnetic phase transition temperature was successfully shifted to 306 K, and a sharper and more symmetric magnetization behavior with a saturation magnetization of M (max) = 70 emu/g at a 2 T magnetic field was achieved in the ferromagnetic state. The addition of SeS2 as a low-temperature sintering aid improved the material's density and thermal conductivity by approximately 45% and 275%, respectively. The (Gd5Si2.4Ge1.6)(0.9)(SeS2)(0.1) alloy is confirmed as a suitable composite material for low-grade waste heat recovery in thermomagnetic applications.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Biomaterials
Mohammadreza Kasravi, Alireza Yaghoobi, Tahereh Tayebi, Mahsa Hojabri, Abdolkarim Talebi Taheri, Fatemeh Shirzad, Bahram Jambar Nooshin, Radman Mazloomnejad, Armin Ahmadi, Fatemeh A. Tehrani, Ghasem Yazdanpanah, Mohammad Hadi Farjoo, Hassan Niknejad
Summary: As a promising approach in translational medicine, the decellularization of discarded livers to produce bioscaffolds that support recellularization has potential in overcoming the limitations of conventional liver transplantation. In this study, the researchers investigated the use of matrix metalloproteinase (MMP) inhibition to preserve the extracellular matrix (ECM) during liver decellularization. The results demonstrated that the application of an MMP inhibitor significantly improved the preservation of ECM components and mechanical properties of the bioscaffolds, which supported cell viability and function in vitro. The study also confirmed that the MMP inhibition led to the inhibition of MMP2 and MMP9, providing a novel method to enhance ECM preservation during liver decellularization.
BIOMATERIALS ADVANCES
(2024)
Article
Materials Science, Biomaterials
Mohammadsadegh Nadimifar, Weiguang Jin, Clara Coll-Satue, Gizem Bor, Paul Joseph Kempen, Ali Akbar Moosavi-Movahedi, Leticia Hosta-Rigau
Summary: This study presents a metal-phenolic self-assembly approach that can prepare nanoparticles fully made of hemoglobin. The nanoparticles exhibit good oxygen binding and releasing capabilities.
BIOMATERIALS ADVANCES
(2024)
Article
Materials Science, Biomaterials
Jyoti Kumari, Roel Hammink, Jochem Baaij, Frank A. D. T. G. Wagener, Paul H. J. Kouwer
Summary: Fibrosis is the formation of fibrous connective tissue in response to injury, leading to organ dysfunction. A novel hybrid hydrogel combining synthetic polyisocyanide with hyaluronic acid has been developed, showing strong antifibrotic properties.
BIOMATERIALS ADVANCES
(2024)
Letter
Materials Science, Biomaterials
Melissa Machado Rodrigues, Cristian Padilha Fontoura, Charlene Silvestrin Celi Garcia, Sandro Tomaz Martins, Joao Antonio Pegas Henriques, Carlos Alejandro Figueroa, Mariana Roesch Ely, Cesar Aguzzoli
BIOMATERIALS ADVANCES
(2024)
Article
Materials Science, Biomaterials
Jessica Polak, David Sachs, Nino Scherrer, Adrian Suess, Huan Liu, Mitchell Levesque, Sabine Werner, Edoardo Mazza, Gaetana Restivo, Mirko Meboldt, Costanza Giampietro
Summary: Human skin equivalents (HSEs) play a crucial role in tissue engineering. This study introduces a 3D-printed culture insert to apply a static radial constraint on HSEs and examines its effects on tissue characteristics. The results show that the diameter of the culture insert significantly influences tissue contraction, fibroblast and matrix organization, keratinocyte differentiation, epidermal stratification, and basement membrane formation. This study provides important insights for the design of skin tissue engineering.
BIOMATERIALS ADVANCES
(2024)
Review
Materials Science, Biomaterials
Shiliang Chen, Tianming Du, Hanbing Zhang, Jing Qi, Yanping Zhang, Yongliang Mu, Aike Qiao
Summary: This paper reviewed the primary methods for improving the overall properties of biodegradable zinc stents. It discussed the mechanical properties, degradation behavior, and biocompatibility of various improvement strategies. Alloying was found to be the most common, simple, and effective method for improving mechanical properties. Deformation processing and surface modification further improved the mechanical properties and biological activity of zinc alloys. Meanwhile, structural design could endow stents with special properties. Manufacturing zinc alloys with excellent properties and exploring their interaction mechanism with the human body are areas for future research.
BIOMATERIALS ADVANCES
(2024)
