Results 81 to 90 of about 2,755,824 (346)

Biomimetic Scaffolds Enhance iPSC Astrocyte Progenitor Angiogenic, Immunomodulatory, and Neurotrophic Capacity in a Stiffness and Matrix‐Dependent Manner for Spinal Cord Repair Applications

Advanced Healthcare Materials, EarlyView.
Through tuning biomimetic scaffold stiffness and matrix composition the reparative capacity of astrocyte progenitors is enhanced. Soft, collagen‐IV/fibronectin‐functionalized scaffolds promote progenitor growth while improving angiogenic, immunomodulatory, and neurotrophic capacity in a stiffness and matrix‐dependent manner, demonstrating the impact of
Cian O'Connor, Ian Woods, Sarah F. McComish, Sean Kerr, Matthew McGrath, Juan Carlos Palomeque Chávez, Jack Maughan, Tara McGuire, Maeve A. Caldwell, Adrian Dervan, Fergal J. O'Brien   +10 more
wiley   +1 more source

Colonization and collapse on Homogeneous Trees [PDF]

arXiv, 2016
We investigate a basic immigration process where colonies grow, during a random time, according to a general counting process until collapse. Upon collapse a random amount of individuals survive. These survivors try independently establishing new colonies at neighbour sites.
arxiv  

An Exploration of Mars Colonization with Agent-Based Modeling [PDF]

arXiv, 2023
Establishing a human settlement on Mars is an incredibly complex engineering problem. The inhospitable nature of the Martian environment requires any habitat to be largely self-sustaining. Beyond mining a few basic minerals and water, the colonizers will be dependent on Earth resupply and replenishment of necessities via technological means, i.e ...
arxiv  

Quantitative whole-tissue 3D imaging reveals bacteria in close association with mouse jejunum mucosa

npj Biofilms and Microbiomes, 2023
Because the small intestine (SI) epithelium lacks a thick protective mucus layer, microbes that colonize the thin SI mucosa may exert a substantial effect on the host.
Roberta Poceviciute, Said R. Bogatyrev, Anna E. Romano, Amanda H. Dilmore, Octavio Mondragón-Palomino, Heli Takko, Ojas Pradhan, Rustem F. Ismagilov   +7 more
doaj   +1 more source

Asymmetric Dispersal and Colonization Success of Amazonian Plant-Ants Queens

PLoS ONE, 2011
Background The dispersal ability of queens is central to understanding ant life-history evolution, and plays a fundamental role in ant population and community dynamics, the maintenance of genetic diversity, and the spread of invasive ants.
E. Bruna, T. Izzo, B. Inouye, M. Uriarte, H. Vasconcelos   +4 more
semanticscholar   +1 more source

Mesoporous Fe3O4 Nanoparticles Loaded with IR‐820 for Antibacterial Activity via Magnetic Hyperthermia Combined with Photodynamic Therapy

Advanced Healthcare Materials, EarlyView.
This study addresses bacterial biofilm resistance by developing mesoporous Fe3O4 nanoparticles loaded with photosensitizer IR‐820, enabling combined antimicrobial photodynamic therapyand magnetic hyperthermia therapy. The system achieves magnetic targeting, heat‐triggered drug release under alternating magnetic fields, and near‐infrared‐induced ROS ...
Yuange Li, Song Xue, Hong Sung Min, Chen Chen, Liheng Lu, Zhiheng Chen, Haojie Shan, Fuli Yin, Xiaowei Yu   +8 more
wiley   +1 more source

Upregulation of Integrin-α6 and Integrin-β1 Gene Expressions in Mouse Spermatogonial Stem Cells after Continues and Pulsed Low Intensity Ultrasound Stimulation

Cell Journal, 2017
Objective low intensity ultrasound (continues and pulsed) is a form of energy. Spermatogonial stem cells (SSCs) are at the base of male fertility. This study investigated the effects of low intensity ultrasound stimulation (LIUS) and low intensity ...
Mahdi Mohaqiq, Mansoureh Movahedin, Manijhe Mokhtari Dizaji, Zohreh Mazaheri   +3 more
doaj   +1 more source

Ancient Greek colonization in retrospect: population projections from the birth of colonies [PDF]

, 2021
A. Zisis, Konstantinos Ν. Zafeiris, Panagiota Xanthopoulou, Christina Papageorgopoulou   +3 more
openalex   +1 more source

Colonization of malaria vectors under semi-field conditions as a strategy for maintaining genetic and phenotypic similarity with wild populations

Malaria Journal, 2015
BackgroundMalaria still accounts for an estimated 207 million cases and 627,000 deaths worldwide each year. One proposed approach to complement existing malaria control methods is the release of genetically-modified (GM) and/or sterile male mosquitoes ...
K. Ng’habi, Yoosook Lee, B. Knols, Dickson Mwasheshi, G. Lanzaro, H. Ferguson   +5 more
semanticscholar   +1 more source

Metal–Organic Framework‐Based Antimicrobial Touch Surfaces to Prevent Cross‐Contamination

Advanced Materials, EarlyView.
A MOF‐based antimicrobial door handle cover is developed. It completely inhibits the cross‐contamination of Gram‐positive bacterial species (Staphylococcus aureus, and Enterococcus faecalis), Gram‐negative bacterial species (Escherichia coli, Pseudomonas aeruginosa, and Acinetobacter baumannii), and fungi (Candida albicans). Abstract Infection diseases
Javier Fonseca, Mary Cano‐Sarabia, Pilar Cortés, Jordi Saldo, David Montpeyó, Julia Lorenzo, Montserrat Llagostera, Inhar Imaz, Daniel Maspoch   +8 more
wiley   +1 more source