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Academic Articles & Research Papers
Showing 20 of 343 academic articles
Spyridoula G. Farmaki, Dimitrios A. Exarchos, Vasileios Dracopoulos, Anastasios Gkotzamanis et al. • Applied Mechanics
(2026)
Recent advances in nanotechnology have highlighted the transformative potential of carbon-based nanomaterials, such as carbon nanofibers, carbon nanotubes, and graphene, in cementitious systems. These materials have shown a remarkable abili...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/applmech7010013
Ayman H. Zaki, Sara Adel, Mahmoud M. Abd El-hafiez, Ahmed A. Abdel-Khalek • Beni-Suef University Journal of Basic and Applied Sciences
(2021)
Abstract Background Increasing the yield of nanomaterials using the same reactor size and fixing most of the reactants and conditions will greatly improve the production process by saving time, energy and efforts. Titanate nanotubes are mai...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s43088-021-00175-y
Saad Hayatu Girei, Hong Ngee Lim, Muhammad Zamharir Ahmad, Mohd Adzir Mahdi et al. • Sensors
(2020)
The need for environmental protection and water pollution control has led to the development of different sensors for determining many kinds of pollutants in water. Ammonia nitrogen presence is an important indicator of water quality in env...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s20174713
Phillip M. Wu, Waldomiro Paschoal, Sandeep Kumar, Christian Borschel et al. • Journal of Nanotechnology
(2012)
Nanowires with magnetic doping centers are an exciting candidate for the study of spin physics and proof-of-principle spintronics devices. The required heavy doping can be expected to have a significant impact on the nanowires' electron tra...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2012/480813
Lifeng Dong, Alex Henderson, Christopher Field • Journal of Nanotechnology
(2012)
We investigated the antibacterial activity of single-walled carbon nanotubes (SWCNTs) dispersed in surfactant solutions of sodium cholate, sodium dodecylbenzene sulfonate, and sodium dodecyl sulfate. Among the three surfactants, sodium chol...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2012/928924
Robert Karsthof, Ymir Kalmann Frodason, Augustinas Galeckas, Philip Michael Weiser et al. • Advanced Photonics Research
(2022)
Nickel oxide is a versatile p‐type semiconducting oxide with many applications in optoelectronic devices, but high doping concentrations are often required to achieve necessary electrical conductivity. In contrast to many other transparent ...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/adpr.202200138
Marco Antonio Botelho, Dinalva Brito Queiroz, Gisele Barros, Stela Guerreiro et al. • Clinics
(2014)
OBJECTIVE: To determine the safety and efficacy of a transdermal nanostructured formulation of progesterone (10%) combined with estriol (0.1%) + estradiol (0.25%) for relieving postmenopausal symptoms. METHODS: A total of 66 postmenopausa...
DOAJ
Open Access (DOAJ)
DOI: 10.6061/clinics/2014(02)01
Giovanna Marussi, Matteo Crosera, Stefano Fornasaro, Elena Pavoni et al. • Heritage
(2026)
This study investigates 49 gold solidi issued between the 4th and 5th century AD to determine their chemical composition. The coins were first catalogued by recording mass, diameter, and thickness. All specimens underwent non-destructive µ-...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/heritage9010038
Krstić Boro • Ekonomika Poljoprivrede (1979)
(2020)
Purpose the paper should confirm that concentrations of economic entities, which perform agricultural or other activities, in addition to distorting competition, are frequent cases of competition protection on the European Union market. Met...
DOAJ
Open Access (DOAJ)
Xianhui Zhao, Oluwafemi Oyedeji, Erin Webb, Sanjita Wasti et al. • Composites Part C: Open Access
(2022)
Owing to its low cost and sustainable nature, lignocellulosic biomass has been utilized for reinforcing polymers, but it is crucial to understand the impact of high-ash concentrations in biomass on composite strength and processing. Biomass...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jcomc.2022.100319
Linlin Lu, Lecai Liang • Energy Science & Engineering
(2021)
Abstract Buried oil and gas pipelines may face the threat of geological disasters such as landslides, faults, and floods. However, long‐term buried oil and gas pipelines often have corrosion defects, which bring greater challenges to the sa...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/ese3.830
Jue Ning, Xu Chen, Tao Wang, Qing Xu et al. • Geophysical Research Letters
(2025)
Abstract The modulation of anticyclonic subsurface‐intensified mode‐water eddies (MWEs) on the oceanic physical and biological responses to tropical cyclones (TCs) is investigated using satellite measurements, in situ observations and numer...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2024GL112598
Minsu Park, Sungmin Park, Jeonggyu Kim, Chanwoo Ahn et al. • Geophysical Research Letters
(2026)
Abstract Ice‐nucleating particles (INPs) play a role in mixed‐phase clouds, yet the processes controlling their properties remain poorly understood. Water‐soluble salts such as sodium chloride (NaCl) depress the freezing temperature of clou...
DOAJ
Open Access (DOAJ)
DOI: 10.1029/2026GL123395
Mhd. Suhyb Salama, Lazaros Spaias, Kathrin Poser, Steef Peters et al. • Frontiers in Remote Sensing
(2022)
It is common in estuarine waters to place fixed monitoring stations, with the advantages of easy maintenance and continuous measurements. These two features make fixed monitoring stations indispensable for understanding the optical complexi...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/frsen.2021.808287
Serisha Gangaram, Yougasphree Naidoo, Yaser Hassan Dewir, Moganavelli Singh et al. • Plants
(2023)
Barleria albostellata (Acanthaceae) is a shrub located in South Africa and is relatively understudied. However, plants within this genus are well known for their medicinal and ethnopharmacological properties. This study aimed to characteris...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/plants12132396
Changchun Dai, Michele Ricupero, Zequn Wang, Nicolas Desneux et al. • Insects
(2021)
The harlequin ladybird, Harmonia axyridis Pallas (Coleoptera: Coccinellidae), is a generalist predator and an effective biocontrol agent of various insect pests that has been exploited for the control of aphid pests in the greenhouse and fi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/insects12080681
Yonatan Uziel, Natan Orlov, Loay Atamneh, Offer Schwartsglass et al. • Chemosensors
(2026)
Chemical monitoring of pollutants and hazardous materials in water supply systems traditionally depends on centralized laboratories, advanced instrumentation, and trained personnel, limiting accessibility and preventing real-time, on-site a...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/chemosensors14030062
Jeffrey J. Jones, Christopher Shaw, Tsu‐Wei Chen, Christopher Martin Staß et al. • Plants, People, Planet
(2024)
Societal Impact Statement Refining circular multitrophic food production methods, which integrate plant, fish, and insect outputs, is imperative for environmental sustainability. Our findings suggest that the right protein choices in fish f...
DOAJ
Open Access (DOAJ)
DOI: 10.1002/ppp3.10457
Monica Gagliano, John Charles Ryan, Patrícia Vieira • Cross Connect (Southern Cross University)
(2017)
Plants are perhaps the most fundamental form of life, providing sustenance, and thus enabling the existence of all animals, including us humans. Their evolutionary transition from Paleozoic aquatic beginnings to a vegetative life out of wat...
OPENALEX
Ayumi Tanaka, Amane Makino • Plant and Cell Physiology
(2009)
Photosynthesis is a highly regulated, multistep process. It encompasses the harvest of solar energy, transfer of excitation energy, energy conversion, electron transfer from water to NADP+, ATP generation and a series of enzymatic reactions...
OPENALEX
Open Access
DOI: https://doi.org/10.1093/pcp/pcp040
PMC: 2669890