Results 121 to 130 of about 269,083 (310)

Organization of aerobactin, hemolysin, and antibacterial resistance genes in lactose negative Escherichia coli strains of serotype O4 isolated from children with dhiarrea [PDF]

open access: yes, 1992
Epidemiologically related, non-lactose-fermenting (NLF) Escherichia coli strains of serotype O4 have been isolated at a high frequency from children with diarrhea in Somalia (M. Nicoletti, F. Superti, C. Conti, A. Calconi, and C. Zagaglia, J.
Calconi, Attilio   +5 more
core   +1 more source

Antigenic diversity is generated by distinct evolutionary mechanisms in African trypanosome species [PDF]

open access: yes, 2012
Antigenic variation enables pathogens to avoid the host immune response by continual switching of surface proteins. The protozoan blood parasite Trypanosoma brucei causes human African trypanosomiasis ("sleeping sickness") across sub-Saharan Africa and ...
A. Berry   +47 more
core   +2 more sources

Development of Bioorthogonally Degradable Tough Hydrogels Using Enamine N‐Oxide Based Crosslinkers

open access: yesAdvanced Materials, EarlyView.
Inducibly degradable enamine N‐oxide crosslinkers are integrated into tough double network hydrogels, enabling rapid and bioorthogonal degradation by aqueous diboron solutions. These chemical reagent‐responsive biomaterials maintain structural integrity during use while enabling rapid degradation when needed, making them ideal for applications in ...
Thomas T. Kim   +4 more
wiley   +1 more source

Advances in Photonic Materials and Integrated Devices for Smart and Digital Healthcare: Bridging the Gap Between Materials and Systems

open access: yesAdvanced Materials, EarlyView.
This article summarizes significant technological advancements in materials, photonic devices, and bio‐interfaced systems, which demonstrate successful applications for impacting human healthcare via improved therapies, advanced diagnostics, and on‐skin health monitoring.
Seunghyeb Ban   +5 more
wiley   +1 more source

Nanoscale Biodegradable Printing for Designed Tuneability of Vaccine Delivery Kinetics

open access: yesAdvanced Materials, EarlyView.
Spatiotemporal Controlled Release Inks of Biocompatible polyEsters (SCRIBE) is a novel 2PP resin family with sub‐micron resolution and tuneable hydrolysis. SCRIBE enables direct printing of hollow microparticles with complex chemistries and geometries inaccessible to molding techniques, which are used to modulate antibody titers and class switching as ...
David J. Peeler   +16 more
wiley   +1 more source

Rectangle groups [PDF]

open access: yesarXiv, 2008
A class of groups is investigated, each of which has a fairly simple presentation . For example the group $R = (a, b, c, d | a^3 = b^3 = c^3 = d^3 = 1, ba^{-1} =dc^{-1}, ca^{-1} = db^{-1}) $ is in the class. Such a group does not have as a homomorphic image any group which is a 2-orbifold group or which is a group of isometries of the reals. However it
arxiv  

Upconversion Nanoparticle‐Covalent Organic Framework Core–shell Particles as Therapeutic Microrobots Trackable With Optoacoustic Imaging

open access: yesAdvanced Materials, EarlyView.
Upconversion nanoparticle‐covalent organic framework core–shell particles provide enhanced contrast for optoacoustic imaging by leveraging the optical absorption of upconversion luminescence within the covalent organic framework matrix. Beyond their role as contrast agents, these particles enable customizable therapeutic agent loading and release, as ...
Dong Wook Kim   +8 more
wiley   +1 more source

A Framework for a Smart Social Blood Donation System Based on Mobile Cloud Computing [PDF]

open access: yesHealth Informatics -- An International Journal (HIIJ), vol. 3, no. 4, pp:1-10,2014, 2014
Blood Donation and Blood Transfusion Services (BTS) are crucial for saving people lives. Recently, worldwide efforts have been undertaken to utilize social media and smartphone applications to make the blood donation process more convenient, offer additional services, and create communities around blood donation centers.
arxiv  

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