Results 31 to 40 of about 114,998 (297)

Biomimetic nanoporous aerogels from branched aramid nanofibers combining high heat insulation and compressive strength

open access: yesSmartMat, 2021
Materials combining efficient thermal insulation and high mechanical properties are needed in many areas of technology. Various aerogels provide a convenient design framework for thermal insulators, but they are often brittle.
Jun Li   +7 more
doaj   +1 more source

Decoration of titania nanofibres with anatase nanoparticles as efficient photocatalysts for decomposing pesticides and phenols [PDF]

open access: yes, 2012
Using a series of partial phase transitions, an effective photocatalyst with fibril morphology was prepared. The catalytic activities of these materials were tested against phenol and herbicide in water. Both H-titanate and TiO2-(B) fibres decorated with
Frost, Ray   +3 more
core   +2 more sources

Cryo-EM structure of alpha-synuclein fibrils

open access: yeseLife, 2018
Parkinson’s disease is a progressive neuropathological disorder that belongs to the class of synucleinopathies, in which the protein alpha-synuclein is found at abnormally high concentrations in affected neurons. Its hallmark are intracellular inclusions
Ricardo Guerrero-Ferreira   +7 more
doaj   +1 more source

A designed protein interface that blocks fibril formation [PDF]

open access: yes, 2004
Protein fibril formation is implicated in many diseases, and therefore much effort has been focused toward the development of inhibitors of this process.
Huang, Po-Ssu   +4 more
core   +1 more source

Amyloid Fibril Solubility [PDF]

open access: yesJ. Phys. Chem. B, 2015, 119 (46), pp 14631-14636, 2015
It is well established that amyloid fibril solubility is protein specific, but how solubility depends on the interactions between the fibril building blocks is not clear. Here we use a simple protein model and perform Monte Carlo simulations to directly measure the solubility of amyloid fibrils as a function of the interaction between the fibril ...
arxiv   +1 more source

Two Novel Amyloid Proteins, RopA and RopB, from the Root Nodule Bacterium Rhizobium leguminosarum

open access: yesBiomolecules, 2019
Amyloids represent protein fibrils with a highly ordered spatial structure, which not only cause dozens of incurable human and animal diseases but also play vital biological roles in Archaea, Bacteria, and Eukarya.
Anastasiia O. Kosolapova   +16 more
doaj   +1 more source

Morphological and Ultrastructural Collagen Defects: Impact and Implications in Dentinogenesis Imperfecta

open access: yesDentistry Journal, 2023
Collagen is the building block for the extracellular matrix in bone, teeth and other fibrous tissues. Osteogenesis imperfecta (OI), or brittle bone disease, is a heritable disorder that results from defective collagen synthesis or metabolism, resulting ...
Lubabah S. A. Gadi   +2 more
doaj   +1 more source

Modulation Effects of Fe3+, Zn2+, and Cu2+ Ions on the Amyloid Fibrillation of α-Synuclein: Insights from a FTIR Investigation

open access: yesMolecules, 2022
Amyloid fibrillation of α-synuclein is implicated in the pathogenesis of Parkinson’s disease and heavy metal ions such as Fe3+, Zn2+, and Cu2+ are known to be involved in the process.
Yan Li, Yang Yu, Gang Ma
doaj   +1 more source

Advanced-Glycation Endproducts: How cross-linking properties affect the collagen fibril behavior [PDF]

open access: yesarXiv, 2023
Advanced-Glycation-Endproducts (AGEs) are known to be a major cause of impaired tissue material properties. In collagen fibrils, the main building component of human tissue, these AGEs appear as fibrillar cross-links. When AGEs accumulate in collagen fibrils, a process often caused by diabetes and aging, the mechanical properties of the collagen fibril
arxiv  

Parkinson Hastalığı ile İlişkilendirilen PreNAC Fibril Kesiti ve Onun A53C, A53E, A53G, A53T, A53V Mutasyonlarının Yapısal Kararlılığın Araştırılması

open access: yesSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2021
Parkinson hastalığının (PD) başlıca patolojik işaretlerinden biri beyinde kümelenmiş alfa-sinüklein agregalarının oluşturdukları fibril yapılardır. Bu çalışmada PreNAC olarak adlandırılan bir alfa-sinüklein fibril kesiti ve onun 53.
Kadir Demir, Hakan Alıcı
doaj   +1 more source

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