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Related Concept Videos

Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Histone Modification02:32

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The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
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The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
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Transforming Cellulose for Sustainability: Comprehensive Insights into Modification Approaches and Their

Rohit Gusain1, Unnati Chaudhary1, Vikas Rana1

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This review evaluates modification techniques for cellulose, a renewable biopolymer. It offers a roadmap for developing sustainable, high-performance biobased materials for diverse applications.

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Biotechnology

Background:

  • Cellulose is a highly abundant, renewable, and biodegradable natural polymer with desirable properties like low toxicity and high tensile strength.
  • Its versatility allows for applications in sectors such as pulp and paper, textiles, food, cosmetics, pharmaceuticals, energy storage, and environmental remediation.
  • Modifying cellulose enhances its properties for specialized applications, driving innovation in biobased materials.

Purpose of the Study:

  • To provide a comprehensive comparative evaluation of various cellulose modification techniques.
  • To critically analyze the influence of physical, biological, and chemical modifications on cellulose properties and performance.
  • To establish a roadmap for sustainable material innovation by linking modification strategies to application requirements.

Main Methods:

  • Review and synthesis of existing literature on cellulose modification.
  • Comparative analysis of physical modification methods (e.g., plasma, UV, ozone treatment).
  • Comparative analysis of chemical modification methods (e.g., esterification, etherification, oxidation, graft copolymerization).
  • Comparative analysis of biological modification methods (e.g., enzymatic hydrolysis).

Main Results:

  • Detailed evaluation of diverse modification techniques including esterification, etherification, oxidation, graft copolymerization, plasma, UV, ozone treatment, and enzymatic hydrolysis.
  • Highlights the impact of each modification strategy on cellulose material properties and end-use performance.
  • Identifies key relationships between modification approaches and specific application demands.

Conclusions:

  • The review systematically analyzes modification strategies for cellulose, offering insights into property enhancement.
  • It provides a comprehensive roadmap for researchers and industry professionals focused on sustainable biobased material innovation.
  • This work serves as a vital reference for advancing next-generation biobased materials and interdisciplinary research.