Results 91 to 100 of about 1,251,880 (348)

Endothelial Cells Angiogenesis in Sulfated Glycosaminoglycan (GAG) Hydrogels Enhanced by Bioactive Glass‐Released Ions

open access: yesAdvanced Functional Materials, EarlyView.
A mechanically tunable hydrogel composed of gelatin, chondroitin sulfate and laminin promotes angiogenesis in vitro without the supplement of growth factors. Endothelial cells morphogenesis was further enhanced by medium conditioned with bioactive glass 58S‐released ions (Ca and Si), thus offering a promising strategy to vascularize 3D tissue ...
Marco Piazzoni   +13 more
wiley   +1 more source

Novel symbionts and potential human pathogens excavated from argasid tick microbiomes that are shaped by dual or single symbiosis

open access: yesComputational and Structural Biotechnology Journal, 2022
Research on vector-associated microbiomes has been expanding due to increasing emergence of vector-borne pathogens and awareness of the importance of symbionts in the vector physiology.
Mohamed Abdallah Mohamed Moustafa   +13 more
doaj   +1 more source

A new Rickettsia honei-related genotype, two novel soft tick haplotypes and first records of three mite species associated with bats in Pakistan

open access: yesSystematic and Applied Acarology, 2019
Bats are well adapted to inhabit human settlements and are suitable reservoirs of a high number of vector-borne pathogens with veterinary-medical importance.
H. Ullah   +11 more
semanticscholar   +1 more source

Can virtuous people emerge from tragic dilemmas having acted well? [PDF]

open access: yes, 2007
A tragic dilemma is thought to arise when an agent, through no fault of her own, finds herself in a situation where she must choose between two courses of action, both of which it would be wrong to undertake.
van Zyl, Liezl
core   +2 more sources

A Single‐Metal‐Doped Nanoplatform for Ferroptosis‐Driven cGAS‐STING Pathway Activation in Hepatocellular Carcinoma Immunotherapy

open access: yesAdvanced Functional Materials, EarlyView.
The cGAS‐STING pathway boosts HCC antitumor immunity but lacks specific activation. Nanoplatform ZMRPF induces HCC ferroptosis via lipid ROS, releasing mtDNA. It synergizes with ZMRPF‐released Mn2⁺ to activate cGAS‐STING, amplifies antigen‐presenting cell activity, reverses HCC immunosuppression, and enables robust systemic antitumor immunity ...
Yuchen Zhang   +13 more
wiley   +1 more source

Metagenomic-based Surveillance of Pacific Coast tick Dermacentor occidentalis Identifies Two Novel Bunyaviruses and an Emerging Human Ricksettsial Pathogen. [PDF]

open access: yes, 2017
An increasing number of emerging tick-borne diseases has been reported in the United States since the 1970s. Using metagenomic next generation sequencing, we detected nucleic acid sequences from 2 novel viruses in the family Bunyaviridae and an emerging ...
Bouquet, Jerome   +5 more
core   +2 more sources

Astrocyte‐Guided Maturation of Neural Constructs in a Modular Biosynthetic Hydrogel for Biohybrid Neurotechnologies

open access: yesAdvanced Functional Materials, EarlyView.
A modular biosynthetic PVA–gelatin hydrogel crosslinked via visible‐light thiol‐ene chemistry is engineered as a coating for neural electrodes. Optimizing matrix composition and mechanical properties enables the hydrogel to support astrocytic populations that guide neural differentiation and functional maturation.
Martina Genta   +4 more
wiley   +1 more source

Periodicities In The X-Ray Intensity Variations of TV Columbae: An Intermediate Polar [PDF]

open access: yes, 2003
We present results from a temporal analysis of the longest and the most sensitive X-ray observations of TV Columbae--an intermediate polar. The observations were carried out with the RXTE PCA, ROSAT PSPC, and ASCA.
Augusteijn T.   +19 more
core   +2 more sources

Bio‐Orthogonally Crosslinked Supramolecular Polymer Bottlebrush Hydrogels for Long‐Term 3D Cell Culture

open access: yesAdvanced Functional Materials, EarlyView.
Fibrous benzenetrispeptide (BTP) hydrogels, fabricated via strain‐promoted azide‐alkyne cycloaddition (SPAAC) crosslinking, form robust, bioinert networks. These hydrogels can support 3D cell culture, where cell viability and colony growth depend on the fiber content.
Ceren C. Pihlamagi   +5 more
wiley   +1 more source

Tick-borne Relapsing Fever and Borrelia hermsii, Los Angeles County, California, USA

open access: yesEmerging Infectious Diseases, 2009
The primary cause of tick-borne relapsing fever in western North America is Borrelia hermsii, a rodent-associated spirochete transmitted by the fast-feeding soft tick Ornithodoros hermsi. We describe a patient who had an illness consistent with relapsing
Tom G. Schwan   +8 more
doaj   +1 more source

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