Results 61 to 70 of about 394,889 (261)

Copper Nanocrystallization in Anodic Oxide Films of Ti–Cu‐Based Bulk Metallic Glass and Its Effect on the Corrosion Resistance and Cytocompatibility

open access: yesAdvanced Engineering Materials, EarlyView.
Viktoriia Shtefan, Thorgund Nemec, Ute Hempel, Annett Gebert and coworkers demonstrate that anodic treatment of Ti–Cu‐based metallic glass in a nontoxic pyrophosphate electrolyte forms a protective bilayered Ti/Zr‐oxide film enriched with Cu nanocrystals.
Viktoriia Shtefan   +8 more
wiley   +1 more source

Invasive Group A Streptococcus Infection among Children, Rural Kenya

open access: yesEmerging Infectious Diseases, 2016
To determine the extent of group A Streptococcus (GAS) infections in sub-Saharan Africa and the serotypes that cause disease, we analyzed surveillance data for 64,741 hospital admissions in Kilifi, Kenya, during 1998–2011.
Anna C. Seale   +14 more
doaj   +1 more source

Conjugative transfer frequencies of mef(A)-containing Tn1207.3 to macrolide-susceptible Streptococcus pyogenes belonging to different emm types [PDF]

open access: yes, 2014
The aim of this study was to examine the gene transfer potential of mef(A)-containing Tn120.3 to macrolide-susceptible Streptococcus pyogenes belonging to different emm types.
Hadjirin, N. F.   +3 more
core   +1 more source

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

open access: yesAdvanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro   +8 more
wiley   +1 more source

Group A Streptococcus emm Gene Types in Pharyngeal Isolates, Ontario, Canada, 2002–2010

open access: yesEmerging Infectious Diseases, 2011
Group A Streptococcus (GAS) is a human-adapted pathogen that causes a variety of diseases, including pharyngitis and invasive infections. GAS strains are categorized by variation in the nucleotide sequence of the gene (emm) that encodes the M protein. To
Patrick R. Shea   +12 more
doaj   +1 more source

Coacervates Made of Elastin‐Like Polypeptides Fused with Melanocyte‐Stimulating Hormone and Monocyte Chemoattractant Protein Enhance Skin Wound Healing in Spinal Cord‐Injured Mice

open access: yesAdvanced Healthcare Materials, EarlyView.
Pressure skin wounds are frequent complications after spinal cord injury (SCI), with impaired healing due to vascular and immune deficits. Elastin‐like polypeptides (ELP) fused to α‐MSH (MSH‐ELP) or MCP‐1 (MCP‐ELP) are developed and tested on these wounds. The resulting nanoparticles are non‐toxic and bioactive, and they enhance macrophage recruitment,
Suneel Kumar   +7 more
wiley   +1 more source

Neutrophil and lymphocyte responses to oral Streptococcus in Adamantiades-Behcet's disease [PDF]

open access: yes, 2005
Immune reactions against microorganisms play an important pathogenic role in Adamantiades-Behçet’s disease (ABD). We had previously obtained Streptococcus sanguinis (strain BD113-20) isolated from the oral cavity of patients with ABD.
Aoki   +30 more
core   +1 more source

Dynamic Modulation of the Microenvironment Promotes Functional Maturation of Engineered Tissues

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineered tissues lack the dynamic microenvironment of native tissues. A biocompatible, diffusible small molecule to dynamically modulate tissue microenvironments during maturation is used. Timing‐dependent modulation yields distinct outcomes, producing thicker, more native‐like blood vessels, stronger and more mature cardiac tissues, and optimized ...
Eric Silberman   +7 more
wiley   +1 more source

Sharp increase in the incidence and severity of invasive Streptococcus pyogenes infections in children after the COVID-19 pandemic (2019-2023): A nationwide multicenter study

open access: yesInternational Journal of Infectious Diseases
Objectives: A global surge in pediatric invasive group A streptococcal infection (iGAS) was reported after autumn 2022. This study analyzed the epidemiology and severity of iGAS in Spain, comparing two periods; P1: pre-outbreak (January 2019-September ...
Elvira Cobo-Vázquez   +45 more
doaj   +1 more source

Protective vaccination in the horse against _Streptococcus equi_ with recombinant antigens [PDF]

open access: yes, 2009
_Streptococcus equi_ subspecies _equi_ (_S. equi_) is a clonal, equine host-adapted pathogen of global importance that causes a highly contagious suppurative lymphodendopathy of the head and neck, more commonly known as Strangles.
Andrew Waller   +6 more
core   +1 more source

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