Results 21 to 30 of about 1,424,781 (281)

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

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
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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
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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
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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
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Gender differences in microcirculation: Observation using the hamster cheek pouch

Clinics, 2013
OBJECTIVES: Estrogen has been shown to play an important protective role in non-reproductive systems, such as the cardiovascular system. Our aim was to observe gender differences in vivo with regard to the increase in macromolecular permeability and ...
Diogo Guarnieri Panazzolo, Lucia Henriques Alves da Silva, Fatima Zely Garcia de Almeida Cyrino, Fernando Lencastre Sicuro, Luiz Guilherme Kraemer-Aguiar, Eliete Bouskela   +5 more
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Hydraulic Resistance and Macromolecular Structure of Aerobic and Anaerobic Mixed-Culture Extracellular Polymeric Substances Gel Layers: Opportunities and Challenges

Frontiers in Environmental Science, 2022
Soluble Extracellular Polymeric Substances (sEPS) are a mixture of microbial soluble polymers produced during aerobic or anaerobic treatment of wastewater.
Emanuel Fonseca Dinis Costa, Emanuel Fonseca Dinis Costa, Maria Cristina Gagliano, Antoine Kemperman, Antoine Kemperman, Huub H. M. Rijnaarts, Rob G. H. Lammertink, Hardy Temmink, Hardy Temmink   +8 more
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Food Polysaccharides and Proteins: Processing, Characterization, and Health Benefits

Foods
Natural macromolecular substances are prevalent in the organs of plants and animals, such as polysaccharides, resins, proteins, etc [...]
Liyuan Rong, Mingyue Shen, Yanjun Zhang, Hansong Yu, Jianhua Xie   +4 more
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Temperature dependency of VOCs release characteristics of asphalt materials under varying test conditions

Journal of Traffic and Transportation Engineering (English ed. Online), 2022
Asphalt pavement is increasingly used in paving and roofing. However, the release of volatile organic compounds (VOCs) from asphalt harm both the environment and humans.
Xiwen Chang, Yue Xiao, Yongshuang Long, Feng Wang, Zhanping You   +4 more
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STUDIES ON THE EFFECT OF CERTAIN MACROMOLECULAR SUBSTANCES ON THE RESPIRATORY ACTIVITY OF THE LEUCOCYTES OF PERIPHERAL BLOOD

Journal of Experimental Medicine, 1960
The oxygen, uptake of lightly heparinized human blood was found to increase markedly upon the addition of bacterial endotoxins, soluble antigen-antibody complexes, or polystyrene latex particles. The effect apparently reflects a transitory stimulation of
B. Strauss, C. Stetson
semanticscholar   +1 more source