Results 21 to 30 of about 2,713 (253)

Research progress on the mechanism of propofol in regulating autophagy [PDF]

Yixue xinzhi zazhi, 2023
Autophagy is a process in which intracellular lysosomes are involved in the degradation of damaged organelles or macromolecular substances. In the physiological state, eukaryotic cells maintain tissue homeostasis through a low degree of autophagy.
Xiao-Shuang ZHANG, Li-Li YANG, Ya-Ying XIE   +2 more
doaj   +1 more source

Interplay Between Lipid Metabolism and Autophagy

Frontiers in Cell and Developmental Biology, 2020
Autophagy is a self-eating process of using lysosomes to degrade macromolecular substances (e.g., proteins and organelles) that are damaged, degenerated, or aging. Lipid metabolism is the synthesis and degradation of lipids (e.g., triglycerides, steroids,
Yangchun Xie, Jingbo Li, Rui Kang, Daolin Tang   +3 more
doaj   +1 more source

Chemical Modification of Polysaccharides: A Review of Synthetic Approaches, Biological Activity and the Structure–Activity Relationship

Molecules, 2023
Natural polysaccharides are macromolecular substances with great potential owing to their wide biological activity and low toxicity. However, not all polysaccharides have significant pharmacodynamic activity; hence, appropriate chemical modification ...
Tianbo Liu, Qianqian Ren, Shuang Wang, Jianing Gao, Congcong Shen, Shengyu Zhang, Yanhong Wang, Feng Guan   +7 more
doaj   +1 more source

Advances in intranasal application of stem cells in the treatment of central nervous system diseases

Stem Cell Research & Therapy, 2021
Stem cells are characterized by their self-renewal and multipotency and have great potential in the therapy of various disorders. However, the blood–brain barrier (BBB) limits the application of stem cells in the therapy of neurological disorders ...
Yu-Ting Zhang, Kai-Jie He, Jin-Bao Zhang, Quan-Hong Ma, Fen Wang, Chun-Feng Liu   +5 more
doaj   +1 more source

Development of 89Zr Labelled Radiopharmaceuticals

Journal of Isotopes, 2016
Positron emission tomography (PET) is the most advanced molecular imaging technology with the advantage of high sensitivity and quantity analysis. Molecule probe is the key factor for PET.
WANG Li-zhen;YANG Min
doaj   +1 more source

Structural Modification and Biological Activity of Polysaccharides

Molecules, 2023
Natural polysaccharides are macromolecular substances with a wide range of biological activities. The structural modification of polysaccharides by chemical means can enhance their biological activity.
Ting Zhao, Min Yang, Lina Ma, Xinglong Liu, Qiteng Ding, Guodong Chai, Yang Lu, Hewei Wei, Shuai Zhang, Chuanbo Ding   +9 more
doaj   +1 more source

Cross-Gate MLP with Protein Complex Invariant Embedding is A One-Shot Antibody Designer [PDF]

arXiv, 2023
Antibodies are crucial proteins produced by the immune system in response to foreign substances or antigens. The specificity of an antibody is determined by its complementarity-determining regions (CDRs), which are located in the variable domains of the antibody chains and form the antigen-binding site. Previous studies have utilized complex techniques
arxiv  

Biomass-Derived Plant Extracts in Macromolecular Chitosan Matrices as a Green Coating for PLA Films

Journal of Functional Biomaterials, 2022
Due to the growing problem of food and packaging waste, environmental awareness, and customer requirements for food safety, there is a great need for the development of innovative and functional packaging.
Lidija Fras Zemljič, Tjaša Kraševac Glaser, Olivija Plohl, Ivan Anžel, Vida Šimat, Martina Čagalj, Eva Mežnar, Valentina Malin, Meta Sterniša, Sonja Smole Možina   +9 more
doaj   +1 more source

Effect of Roasting Time on the Moisture Distribution and Key Volatile Flavor Compounds of Beef Tallow as Analyzed by Low Field-Nuclear Magnetic Resonance Spectroscopy and Headspace Solid-Phase Microextraction Coupled with Gas Chromatography-Mass Spectrometry [PDF]

Shipin Kexue, 2023
The moisture distribution and key volatile flavor compounds of beef tallow from Qinchuan cattle roasted for different periods were analyzed by low field-nuclear magnetic resonance (LF-NMR) spectroscopy and headspace solid-phase microextraction-gas ...
WANG Yongrui, WANG Songlei, CHEN Fang, BAI Shuang, LI Xiu, LUO Ruiming
doaj   +1 more source

The influence of interchain coupling on intramolecular oscillation mobility in coupled macromolecular chains: the case of coplanar parallel chains [PDF]

AIP Conference Proceedings 1683 (2015) 020030, 2015
We enlarge our results from the study of the hopping mechanism of the oscillation excitation transport in 1D model of one biology-like macromolecular chain to the case of a system composed from two 1D parallel macromolecular chains with consideration of the properties of intramolecular oscillation excitations.
arxiv   +1 more source