Influence of Crystal Shape and Orientation on the Magnetic Microstructure of Bullet-Shaped Magnetosomes Synthesized by Magnetotactic Bacteria

Chemistry, Nanoscience, Inorganic Chemistry, Materials Chemistry, Materials Science, Life Sciences, Microbiology,
Magnetotactic bacteria   Magnetosomes   Crystal shape   Magnetic anisotropy   Off-axis electron holography   Magnetite   Nanocrystals  

Magnetotactic Bacteria (MTB) are a group of microorganisms capable of biomineralizing magnetosomes. Magnetosomes are membrane-bound magnetic nanocrystals primarily composed of magnetite (Fe₃O₄) or greigite (Fe₃S₄). These magnetosomes are arranged in chains or specific orientations within bacterial cells, endowing the bacteria with a magnetic dipole...

Magnetite Nanoparticles as Metastable Biogeobatteries in Consecutive Redox Cycles

Chemistry, Nanoscience, Environmental Chemistry, Earth Sciences, Geochemistry, Life Sciences, Microbiology,
magnetite   nanoparticles   redox   dissolution   biogeobattery  

Iron (Fe) is one of the most abundant elements on Earth, widely present in soils and sediments, and participates in global carbon, nitrogen, and oxygen cycles. The redox reactions of iron play a crucial role in biogeochemical cycles, particularly in the processes of iron oxidation and reduction. Iron minerals, especially mixed-valent iron minerals ...

Ultra-High Filling Ratio of Non-Percolative Rapeseed-Shaped Liquid Metal Fiber Mats for Pressure Sensors via Electrospinning Aided Inhomogeneous Dispersion

Chemistry, Nanoscience, Polymer Chemistry, Materials Chemistry, Materials Science, Metallic Materials,
liquid metal   electrospinning   flexible capacitive sensors   rapeseed-shaped structure   inhomogeneous dispersion  

Background Introduction Flexible capacitive pressure sensors have broad application prospects in intelligent robotics, medical monitoring, and human-machine interaction due to their high sensitivity, fast response, and excellent mechanical flexibility. However, traditional dielectric elastomers typically have low dielectric constants, limiting the ...

Flexible, Visual, and Multifunctional Humidity-Strain Sensors Based on Ultra-Stable Perovskite Luminescent Filaments

Chemistry, Nanoscience, Polymer Chemistry, Materials Chemistry, Materials Science, Organic Polymeric Materials,
perovskite   luminescence   humidity sensor   strain sensor   multifunction   flexible   environment-friendly  

Academic Background With the rapid development of the Internet of Things and wearable electronics, the demand for smart sensors in fields such as physiological monitoring, smart clothing, and human-computer interaction has been increasing. In particular, flexible multifunctional sensors have attracted significant attention due to their potential ap...

Nanofiber-Based Composite Solid Electrolytes for Solid-State Batteries: From Fundamentals to Applications

Chemistry, Energy Chemistry, Nanoscience, Materials Chemistry, Engineering, Energy Engineering, Materials Science,
nanofibers   solid-state batteries   composite solid electrolytes   ionic conductivity   high performance  

Academic Background With the rapid development of portable electronic devices and electric vehicles, the demand for high-performance energy storage technologies is growing. Lithium-ion batteries (LIBs), as the mainstream energy storage technology, still face challenges in terms of energy density and safety. In particular, the growth of lithium dend...

Bio-Inspired Tough Metafiber with Hierarchical Photonic Structures for Durable Passive Radiative Thermal Management

Physics, Optics, Chemistry, Nanoscience, Materials Chemistry, Engineering, Energy Engineering, Materials Science, Organic Polymeric Materials, Life Sciences, Bioengineering,
bio-inspired fiber   photonic structure   molecular engineering   radiative thermal management   multimode thermal regulation  

Academic Background With the intensification of global climate change, energy consumption in buildings, particularly from air conditioning systems, continues to rise. Statistics show that building air conditioning systems account for approximately 10% of global annual electricity consumption, a figure that is increasing alongside carbon emissions, ...

Functional Graphene Fiber Materials for Advanced Wearable Applications

Chemistry, Nanoscience, Materials Chemistry, Engineering, Mechanical Engineering, Electrical Engineering, Materials Science, Organic Polymeric Materials,
graphene fibers   wearable electronics   flexibility   energy storage devices   smart textiles  

Academic Background With the rapid development of wearable electronic devices, the demand for high-performance, flexible, and durable materials has been increasing. Graphene, as a two-dimensional material with excellent electrical conductivity, mechanical strength, and flexibility, has garnered significant attention in recent years for its applicat...

Advances in Nanofiber Cathodes for Aluminum-Ion Batteries

Chemistry, Energy Chemistry, Nanoscience, Materials Chemistry, Engineering, Energy Engineering, Materials Science, Metallic Materials,
nanofibers   aluminum-ion batteries   cathode materials   doping   volume expansion  

Advances in Nanofiber Cathodes for Aluminum-Ion Batteries Academic Background With the growing global demand for sustainable energy solutions, the development of energy storage systems has become a focal point of research. Lithium-ion batteries (LIBs) dominate the market due to their high energy density and cycle stability. However, challenges such...

A Portable, Sprayable, Highly Malleable, Elastic, and Hydrophobic Antibacterial Fibrous Wound Dressing for Infected Wound Healing

Chemistry, Nanoscience, Polymer Chemistry, Materials Science, Organic Polymeric Materials, Medicine, Infectious Diseases, Life Sciences, Bioengineering,
wound dressing   antibacterial   hydrophobic   malleability   solution blow spinning   infected wound   wound healing  

Academic Background Wound infection is a significant concern for patients and healthcare professionals worldwide, particularly in the management of severe wounds. Inappropriate dressings can increase the risk of infection, prolong healing time, and even lead to higher mortality rates and economic burdens. Traditional wound dressings, such as gauze ...

Pressure Sensors Based on Densely Structured Graphene Fibers for Motion Monitoring

Chemistry, Nanoscience, Engineering, Electrical Engineering, Materials Science, Life Sciences, Bioengineering,
graphene fibers   wet spinning   dense structure   pressure sensor   motion monitoring  

Academic Background With the rapid development of smart wearable devices, pressure sensors, as core components, have garnered extensive attention in fields such as health monitoring, human-machine interaction, and artificial intelligence. Based on their sensing principles, pressure sensors are primarily categorized into capacitive, piezoelectric, t...