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Related Concept Videos

Metallic Bond01:18

Metallic Bond

1
Metallic BondingMetallic bonding is a type of chemical bond that occurs between metal atoms. Unlike ionic or covalent bonds, metallic bonds involve a “sea of electrons”—free-moving electrons that travel throughout the entire metallic structure.Common Examples of Metals with Metallic Bonding:Iron (Fe) is extensively used in construction and manufacturing.Aluminum (Al) is a lightweight metal commonly used in transportation and packaging.Silver (Ag) and Gold (Au) are popular in jewelry and...
1
Metalloids01:28

Metalloids

MetalloidsMetalloids are elements that exhibit properties of both metals and nonmetals.They are found along a zigzag line on the periodic table, acting as a boundary between metals and nonmetals. This zigzag line runs between Groups 13 and 17, separating the metallic elements on the left from the nonmetallic elements on the right. Metalloids are significant because they can sometimes conduct electricity, making them essential for electronic devices such as computers and phones. Some common...
Metals01:28

Metals

1
MetalsMetals are elements with distinct properties that make them useful in various applications. With the exception of mercury, metals are solid at room temperature. They are shiny, good conductors of heat and electricity, and malleable, meaning they can be shaped without breaking. Metals occur naturally as ores and are extracted through mining and refining processes.Metals play a significant role in everyday life. They are used in building structures, vehicles, electrical wiring, tools, and...
1
Metallic Solids02:37

Metallic Solids

18.6K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.6K
Bonding in Metals02:32

Bonding in Metals

47.6K
Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
47.6K

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Fabrication of Mechanically Tunable and Bioactive Metal Scaffolds for Biomedical Applications
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Plain metallic biomaterials: opportunities and challenges.

Jiazhen Zhang1, Bao Zhai1, Jintao Gao2

  • 1Center for Medical Device Evaluation, National Medical Product Administration, Beijing 100081, China.

Regenerative Biomaterials
|January 23, 2023
PubMed
Summary

Plain metallic biomaterials (PMBs) are introduced for sustainable development, focusing on pure titanium and magnesium. This research explores their features, benefits, challenges, and regulatory aspects for medical devices.

Keywords:
high-purity magnesiummedical devicesmetallic biomaterialsplainificationpure titaniumregulatory science

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Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Sustainable Materials Development

Background:

  • The concept of 'plainification of materials' aims to enhance sustainable material development.
  • Existing biomaterials often involve complex compositions or processing.
  • There is a need for simpler, high-performance biomaterials.

Purpose of the Study:

  • To propose and define 'plain metallic biomaterials (PMBs)' for the first time in the biomaterials field.
  • To present research and application case studies of PMBs.
  • To analyze the technical and regulatory challenges associated with PMBs.

Main Methods:

  • Conceptualization and definition of PMBs.
  • Review of research and application case studies for pure titanium and magnesium.
  • Analysis of technical challenges and regulatory landscapes.

Main Results:

  • Demonstrated research and application cases of pure titanium (high strength, toughness) and magnesium (biodegradable, fine-grained, high-purity) as PMBs.
  • Identification of key features, benefits, and opportunities of PMBs.
  • Analysis of technical hurdles and regulatory considerations for PMB commercialization.

Conclusions:

  • PMBs offer a promising avenue for sustainable biomaterial development.
  • Addressing technical and regulatory challenges is crucial for the successful adoption of PMBs in medical devices.
  • Further research and development are supported by regulatory perspectives provided.