Results 31 to 40 of about 52,688 (156)

Epidemiological dynamics of influenza B virus across multiple seasons in Kenya and Uganda inferred from sequence data, 2010–2021

BMC Infectious Diseases
Background Influenza B virus (IBV) contributes significantly to morbidity and mortality during Influenza seasons annually. However, IBV genomic surveillance occurs unevenly across the globe, particularly within the African region, obscuring its ...
Brenda K. Nyarango, D. Collins Owuor, Everlyne Isoe, Martin Mutunga, Robinson Cheruiyot, Esther N. Katama, Timothy Makori, Arnold Lambisia, Joyce Nyiro, George Githinji, Sarah Kiguli, Peter Olupot-Olupot, Kathryn Maitland, Charles N. Agoti   +13 more
doaj   +1 more source

Electrospun α-mangosteen–chitosan–poly(ethylene oxide) nanofibers

Materials Research Express, 2022
In this study, electrospun α -mangosteen–chitosan–polyethylene oxide (PEO) nanofibers were produced via electrospinning process. The structure and morphology of nanofibers were evaluated through a field emission scanning electron microscope (FESEM) and ...
Riesca Ayu Kusuma Wardhani, Indah Primadona, Andri Hardiansyah   +2 more
doaj   +1 more source

Evolution of PEO coatings on AM50 magnesium alloy using phosphate-based electrolyte with and without glycerol and its electrochemical characterization

Journal of Magnesium and Alloys, 2020
PEO coatings were synthesized from phosphate-based (bP-PEO) and glycerol added phosphate-based (gP-PEO) electrolytes with different processing times. For both bP-PEO and gP-PEO coatings treated with different processing time its morphology, elemental and
Ashutosh Jangde, S. Kumar, C. Blawert
doaj   +1 more source

Graphene oxide (GO) decorated on multi-structured porous titania fabricated by plasma electrolytic oxidation (PEO) for enhanced antibacterial performance

Materials & Design, 2021
Plasma electrolytic oxidation (PEO) is proven as a scalable method for surface treatment of titanium (Ti) providing a thick oxide layer with porous micro-nano morphology.
Arash Mazinani, Md Julker Nine, Roberto Chiesa, Gabriele Candiani, Paolo Tarsini, Tran Thanh Tung, Dusan Losic   +6 more
doaj   +1 more source

Interface Fracture Property Of Peo Ceramic Coatings On Aluminum Alloy [PDF]

, 2008
This paper combines the four-point bending test, SEM and finite element method to study the interface fracture property of PEO coatings on aluminum alloy. The interface failure mode of the coating on the compression side is revealed.
徐方涛, 关永军, 夏原, Xia, Y (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.   +3 more
core   +1 more source

Combining Hyperbranched and Linear Structures in Solid Polymer Electrolytes to Enhance Mechanical Properties and Room-Temperature Ion Transport

Frontiers in Chemistry, 2021
Polyethylene oxide (PEO)-based polymers are commonly studied for use as a solid polymer electrolyte for rechargeable Li-ion batteries; however, simultaneously achieving sufficient mechanical integrity and ionic conductivity has been a challenge.
Benxin Jing, Benxin Jing, Xiaofeng Wang, Yi Shi, Yingxi Zhu, Yingxi Zhu, Haifeng Gao, Susan K. Fullerton-Shirey, Susan K. Fullerton-Shirey   +8 more
doaj   +1 more source

Formulating research questions in social science research

The Journal for Transdisciplinary Research in Southern Africa
Formulating clear and focussed research questions is a fundamental step in social science research because the questions shape the design, methodology and analysis of the entire study.
Gerrit van der Waldt
doaj   +1 more source

Mechanism of PEO-PPO-PEO micellization in aqueous solutions studied by two-dimensional correlation FTIR spectroscopy

, 2010
The micellization mechanism of PEO-PPO-PEO block copolymer in aqueous solutions was studied by two-dimensional correlation FTIR spectroscopy. The 1400-1000 cm(-1) region was investigated, involving the stretching vibrations of ether band, C-H wagging ...
Guo, Chen, Guo, C, Xiang, Junfeng, Liu, Huizhou, Liu, Chunzhao, Yang, Liangrong, Jia, Lianwei, Tang, Yalin   +7 more
core   +1 more source

Electrospun Alginate Fibers: Mixing of Two Different Poly(ethylene oxide) Grades to Improve Fiber Functional Properties

Nanomaterials, 2018
The aim of the present work was to investigate how the molecular weight (MW) of poly(ethylene oxide) (PEO), a synthetic polymer able to improve alginate (ALG) electrospinnability, could affect ALG-based fiber morphology and mechanical properties. Two PEO
Barbara Vigani, Silvia Rossi, Giulia Milanesi, Maria Cristina Bonferoni, Giuseppina Sandri, Giovanna Bruni, Franca Ferrari   +6 more
doaj   +1 more source

Galvanic corrosion behavior of AZ31 Mg alloy coupled with mild steel: effect of coatings

Journal of Materials Research and Technology, 2023
For Mg alloy, it is important to develop effective protection coatings against galvanic corrosion. In this work, the effects of plasma electrolytic oxidation (PEO) coating with and without a polyurethane (PU) top layer on the corrosion and galvanic ...
Jun Liang, Siqin Liu, Zhenjun Peng, Runxia Li, Biao Wang   +4 more
doaj   +1 more source