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Related Concept Videos

Polymers: Molecular Weight Distribution01:10

Polymers: Molecular Weight Distribution

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For any given polymer, the weight average molecular weight (Mw) is higher than, if not equal to, the number average molecular weight (Mn). The only situation in which the weight average molecular weight and the number average molecular weight are equal is when a polymer consists only of chains with equal molecular weight. However, this never happens in a synthetic polymer, since it is difficult to control the polymerization process up to a molecular level with accuracy to a hundred percent.
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Polymer Classification: Architecture01:14

Polymer Classification: Architecture

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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Polymers: Defining Molecular Weight01:01

Polymers: Defining Molecular Weight

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Unlike small molecules with definite molecular weights, polymers are a mixture of individual polymer chains of varying lengths, each with a unique molecular weight.  So, the molecular weight of a polymer is expressed as an average value based on the average size of the polymer chains. The two most common forms of averages used for polymers are the number average molecular weight and weight average molecular weight.
The number average molecular weight (Mn) is the summation of the number...
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Characteristics and Nomenclature of Copolymers01:24

Characteristics and Nomenclature of Copolymers

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Copolymers are the products obtained from the polymerization of multiple monomer species. So, in a polymer chain itself, there can be multiple repeating units that come from different monomers. The process of synthesizing a polymer from different monomer species is called copolymerization. When two monomers are involved, the polymer is known as a bipolymer. Polymers with three and four monomers are termed terpolymers and quaterpolymers, respectively. Figure 1 depicts the copolymerization of...
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Molecular Weight of Step-Growth Polymers01:08

Molecular Weight of Step-Growth Polymers

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Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
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Polymer Microarrays for High Throughput Discovery of Biomaterials
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Polymeric Materials in Biomedical Engineering: A Bibliometric Mapping.

Cristina Veres1, Maria Tănase2, Dan-Alexandru Szabo3

  • 1Department of Industrial Engineering and Management, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, Nicolae Iorga Street 1, 540088 Targu-Mures, Romania.

Polymers
|November 13, 2025
PubMed
Summary
This summary is machine-generated.

This study synthesizes polymeric materials for biomedical engineering, focusing on tissue engineering, drug delivery, wound healing, and 3D printing. Key innovations include advanced scaffolds and smart delivery systems, though biocompatibility and manufacturing challenges remain.

Keywords:
biomedical engineeringdrug deliveryhydrogelspolymeric materialstissue engineeringwound healing

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Area of Science:

  • Biomedical Engineering
  • Polymeric Materials Science

Background:

  • Polymeric materials are crucial in biomedical engineering.
  • Significant research spans tissue engineering, drug delivery, wound healing, and advanced fabrication.

Purpose of the Study:

  • To provide an integrated synthesis of polymeric materials in biomedical engineering.
  • To identify key research domains, influential material classes, and persistent challenges.

Main Methods:

  • Literature synthesis and analysis of polymeric materials in biomedical engineering.
  • Identification of major research domains and material classes.

Main Results:

  • Four key domains: tissue engineering, drug delivery, wound healing, and 3D/4D printing.
  • Hydrogels, biodegradable composites, and stimuli-responsive polymers are influential.
  • Progress in ECM-mimetic scaffolds, smart drug delivery, advanced wound dressings, and patient-specific constructs.

Conclusions:

  • Challenges include long-term biocompatibility, scalable fabrication, and regulatory standardization.
  • Future innovation lies in hybrid natural-synthetic systems and personalized polymeric designs.
  • Convergence of bioactivity, manufacturability, and clinical translation is key.