相关实验视频

Updated: Jun 15, 2026

Preparation and Characterization of Nanoliposomes for the Entrapment of Bioactive Hydrophilic Globular Proteins

Preparation and Characterization of Nanoliposomes for the Entrapment of Bioactive Hydrophilic Globular Proteins

Published on: August 31, 2019

纳米级ZIF-67的合成和应用用于增强脂酶A1固定和高脂-DHA转化

Qin Gao¹, Zhaoding Lang², Luchao Ren²

¹College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30 South Puzhu Road, Nanjing 211816, People's Republic of China.

|August 21, 2025

概括

这项研究引入了一种新方法,即使用纳米尺度的酸伊米达酸-67 (ZIF-67) 来生产酸酶A1 (PLA1),从而提高DHA的生产效率.

科学领域:

生物催化和酶固定
材料科学和纳米技术
营养生物化学

背景情况:

脂-多可萨酸 (PL-DHA) 的生物利用性优于多可萨酸 (DHA).
酶催化是一种有前途的PL-DHA制备方法,但由于酶负荷和效率低,工业应用受到限制.
凝性伊米达酸框架 (ZIF) 具有作为酶固定的新载体的潜力.

研究的目的:

开发一种高效的酶固定化策略,以提高PL-DHA的产生.
调查纳米尺度的化物伊米达酸框架-67 (ZIF-67) 作为脂酶A1 (PLA1) 的载体.
评估脂丰富的固定PLA1的催化性能和稳定性.

主要方法:

纳米尺度的焦化物伊米达酸框架-67 (ZIF-67) 的合成.
将脂酶A1 (PLA1) 固定在ZIF-67上
ZIF-67的特性 (表面积,负载能力).
固定PLA1的酶测定用于脂化和DHA和DPA的结合.

主要成果:

ZIF-67表现出高表面积 (1044. 3 m2/ g) 和高酶负载能力 (619. 80 mg/ g).
固定PLA1 (ZIF-67@PLA1) 保持了130%的自由酶活性,显示出增强的稳定性和可重复使用性.
在脂化过程中,DHA和DPA的合率分别为51. 04%和10. 56%.
分子对接证实了PLA1通过疏水相互作用和键与ZIF-67结合.

结论:

纳米级ZIF-67是一种有效的PLA1固定载体,显著提高了酶的性能.
ZIF-67@PLA1系统提供了一种有效的方法来生产DHA/DPA丰富的脂.
这项研究推进了基于ZIF的酶固定化,用于营养生物化学的工业应用.

关键词:

生物催化酶固定化脂酶A1的使用脂-DHA的使用一个ZIF-67

更多相关视频

Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform

Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform

Published on: February 25, 2021

Formulation and Characterization of Bioactive Agent Containing Nanodisks

Formulation and Characterization of Bioactive Agent Containing Nanodisks

Published on: March 17, 2023

相关概念视频

Synthesis of Phosphatidylcholine in the ER Membrane

Synthesis of Phosphatidylcholine in the ER Membrane

The ER synthesizes lipids for building cell membranes and performing cellular functions such as energy storage and signaling. The lipid synthesis machinery embedded in the ER membrane primarily collects all reactants from the cytosol. Following synthesis, the secretory pathway and the ER contact sites distribute these lipids to other cellular organelles. Additionally, the energy-rich triacylglycerides are transported from the ER via lipid droplets.
The major components of all eukaryotic cell...

Assembly of the Lipid Bilayer in the ER

Assembly of the Lipid Bilayer in the ER

Biological membranes are more than just a barrier separating cell cytoplasm from the outside environment. They are highly dynamic and help maintain the integrity and physiological stability of the cells as well as membrane-bound organelles. Membranes also play vital roles in cell-to-cell and intracellular communication.
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...