Results 31 to 40 of about 2,713 (253)

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
doaj   +1 more source

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
doaj   +1 more source

Pleiotropic Role of Tenascin-C in Central Nervous System Diseases: From Basic to Clinical Applications

Frontiers in Neurology, 2020
The extracellular matrix is composed of a variety of macromolecular substances secreted by cells, which form a complex network that supports and connects tissue structures, regulates the morphogenesis of tissues, and maintains the physiological ...
Chen Hanmin, Zhou Xiangyue, Cameron Lenahan, Wang Ling, Ou Yibo, He Yue   +5 more
doaj   +1 more source

Identification of compositional and structural changes in the nucleus pulposus of patients with cervical disc herniation by Raman spectroscopy

Frontiers in Endocrinology, 2022
PurposeCervical disc herniation (CDH) is one of the most common spinal diseases in modern society; intervertebral disc degeneration (IVDD) has long been considered as its primary cause.
Zhiqi Wang, Tao Xue, Tongxing Zhang, Xuehui Wang, Hui Zhang, Zhongyu Gao, Qiang Zhou, Erke Gao, Tao Zhang, Zhaoyang Li   +9 more
doaj   +1 more source

Humic Substances: From Supramolecular Aggregation to Fractal Conformation—Is There Time for a New Paradigm?

Applied Sciences, 2023
Natural organic matter, including humic substances (HS), comprises complex secondary structures with no defined covalent chemical bonds and stabilized by inter- and intra-molecular interactions, such as hydrogen bonding, Van der Waal’s forces, and pi-pi ...
Ruggero Angelico, Claudio Colombo, Erika Di Iorio, Martin Brtnický, Jakub Fojt, Pellegrino Conte   +5 more
doaj   +1 more source

The application of label-free imaging technologies in transdermal research for deeper mechanism revealing

Asian Journal of Pharmaceutical Sciences, 2021
The penetration behavior of topical substances in the skin not only relates to the transdermal delivery efficiency but also involves the safety and therapeutic effect of topical products, such as sunscreen and hair growth products. Researchers have tried
Danping Zhang, Qiong Bian, Yi Zhou, Qiaoling Huang, Jianqing Gao   +4 more
doaj  

Hydroboration-Oxidation of (±)-(1α,3α,3aβ,6aβ) -1,2,3,3a,4,6a-Hexahydro-1,3-pentalenedimethanol and Its O-Protected Derivatives: Synthesis of New Compounds Useful for Obtaining (iso)Carbacyclin Analogues and X-ray Analysis of the Products

Molecules, 2017
Hydroboration-oxidation of 2α,4α-dimethanol-1β,5β-bicyclo[3.3.0]oct-6-en dibenzoate (1) gave alcohols 2 (symmetric) and 3 (unsymmetric) in ~60% yield, together with the monobenzoate diol 4a (37%), resulting from the reduction of the closer benzoate by ...
Constantin I. Tănase, Florea G. Cocu, Miron Teodor Căproiu, Constantin Drăghici, Sergiu Shova   +4 more
doaj   +1 more source

THE ASSESSMENT OF ANALYTICAL DOUBLE-SHOT PYROLYSIS WITH GAS CHROMATOGRAPH-MASS SPECTROMETRY APPLICATION OPPORTUNITY FOR THE HUMIC MATTER INVESTIGATION IN SITU

Бюллетень Почвенного института им. В.В. Докучаева, 2018
Double-shot pyrolysis with gas chromatography and mass detection (Double-shot GC MS) was conducted for a sample of typical chernozem and humic acids separated from it. The humic acids preparations were pyrolyzed at 500, 600 and 700°C.
V. A. Kholodov, Yu. R. Farkhodov, A. Zherebker, N. V. Yaroslavtseva   +3 more
doaj   +1 more source

The rapid formation of macromolecules in irradiated ice of protoplanetary disk dust traps [PDF]

Nature Astronomy 8.10 (2024): 1257-1263
Organic macromolecular matter is the dominant carrier of volatile elements such as carbon, nitrogen, and noble gases in chondrites -- the rocky building blocks from which Earth formed. How this macromolecular substance formed in space is unclear.
arxiv   +1 more source

The multiple roles of the NlpC_P60 peptidase family in mycobacteria – an underexplored target for antimicrobial drug discovery

FEBS Letters, EarlyView.
The NlpC_P60 superfamily of peptidases is recognised by its key role in bacterial cell wall homeostasis. Recently, studies have also described the involvement of NlpC_P60‐like enzymes in bacterial competitive mechanisms and pathogenesis across several lineages.
Catharina dos Santos Silva, Marcio Vinicius Bertacine Dias   +1 more
wiley   +1 more source