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Types of Step-Growth Polymers: Polyesters

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...

Urea Cycle

Urea Cycle

The urea cycle describes how liver cells convert ammonia to urea. Ammonia is a toxic waste product of protein catabolism. Land animals must convert ammonia into the less toxic urea which can be safely eliminated by the kidneys through urine. Marine animals excrete ammonia directly, and the surrounding water dilutes the ammonia to safe levels.

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相关实验视频

Updated: Jan 12, 2026

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

Published on: September 26, 2014

用于聚氨回收的糖解兼容尿酶

Yanchun Chen¹, Jinyuan Sun^1,2, Kelun Shi^1,2

¹AIM Center, College of Life Sciences and Technology, Beijing University of Chemical Technology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.

Science (New York, N.Y.)

|October 30, 2025

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No abstract available in PubMed .

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Last Updated: Jan 12, 2026

Stabilizing Hepatocellular Phenotype Using Optimized Synthetic Surfaces

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Published on: September 26, 2014

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

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Published on: December 16, 2022

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