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Toxicity and biodistribution comparison of functionalized nanodiamonds, quantum dot nanocarbons and gold nanoparticles

Elena Alexander, Kam W. Leong • Frontiers in Nanotechnology (2025)

IntroductionNanomaterials are extensively utilized in applications ranging from electronics to biomedical therapies; however, their widespread use has prompted concerns about potential toxicity in humans. Understanding the biodistribution a...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnano.2025.1512622

Effect of Preparation Mode on the Properties of Mn-Na-W/SiO2 Catalysts for Oxidative Coupling of Methane: Conventional Methods vs. POSS Nanotechnology

I. Z. Ismagilov, E. V. Matus, V. V. Kuznetsov, M. A. Kerzhentsev et al. • Eurasian Chemico-Technological Journal (2016)

Using XPS, BET, XRD, TG-DTA, HRTEM-EDX, TPR and UV-Vis Diffuse Reflectance spectroscopic methods the electronic, redox and structural properties of Mn-Na-W/SiO2 catalysts prepared by the incipient wetness impregnation method and mixture slu...

DOAJ Open Access (DOAJ) DOI: 10.18321/ectj430

A case study on morphological aspects of distinct magnetized 3D hybrid nanoparticles on fluid flow between two orthogonal rotating disks: An application of thermal energy systems

Zahra Abdelmalek, M. Zubair Akbar Qureshi, S. Bilal, Qadeer Raza et al. • Case Studies in Thermal Engineering (2021)

The consolidation power of different nanomaterials such as metallic nanoparticles and metallic-oxides nanoparticles in a new-fangled and energetic hybrid material should give rise to fascinating properties that combine the advantages of eac...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2020.100744

Lab-scale coin-cell supercapattery assembled with nickel cobaltite/rGO nanocomposite electrodes for hybrid energy storage

B. Raghavendra Babu, R. Sasikumar, K. Visagavel, R. Baskar • Next Nanotechnology (2026)

Hybrid energy storage devices that bridge the gap between batteries and supercapacitors are critical for next-generation portable and high-power applications. In this work, a lab-scale coin cell asymmetric supercapattery device is fabricate...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nxnano.2026.100892

Creep behaviors and constitutive model of transversely isotropic rocks

WANG Zhe-chao 1, 2, ZONG Zhi 1, QIAO Li-ping 1, 2, LI Wei1, LIU Jie 1 • Yantu gongcheng xuebao (2018)

The bedded carbonaceous slate exhibits transversely isotropic creep properties. The creep behaviors of carbonaceous slate are studied using the triaxial compressive creep tests on horizontal bedding specimens and vertical bedding specimens....

DOAJ Open Access (DOAJ) DOI: 10.11779/CJGE201807008

One Step Synthesis of Fluorescent Carbon Dots and its Potential Application in pH Detection, Food Additives and Free Radical Scavenging

Xiaoliang HAO, Shujuan DAI, Zhigang FANG, Jing GUO et al. • Medžiagotyra (2021)

Lemon yellow is a kind of common food additive. Excessive use of food additives and metabolized free radicals in blood may bring potential harm to human health. In this study, we synthesized a kind of green luminescent fluorescent carbon do...

DOAJ Open Access (DOAJ) DOI: 10.5755/j02.ms.25052

Microbial and biogeochemical responses to projected future nitrate enrichment in the California upwelling system

Katherine Rose Marie Mackey, Chia-Te eChien, Adina ePaytan • Frontiers in Microbiology (2014)

Coastal California is a dynamic upwelling region where nitrogen (N) and iron (Fe) can both limit productivity and influence biogeochemistry over different spatial and temporal scales. With global change, the flux of nitrate from upwelling i...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmicb.2014.00632

Adsorption and Corrosion Inhibition Behaviour of Oil Extracted from Moringa peregrina leaves for Carbon Steel in Acidic Media: Experimental and Computational Studies

Ismat H. Ali, Mohammad I. Khan, Alhafez M. Alraih, Mohammed K. Almesfer et al. • International Journal of Electrochemical Science (2021)

The current research aimed at investigating the potential corrosion inhibitory effect of essential oil extracted from Moringa peregrina leaves on carbon steel in acidic conditions. Gas chromatography (GC) and scanning electron microscope (S...

DOAJ Open Access (DOAJ) DOI: 10.20964/2021.08.49

Development, modelling and optimization of process parameters on the tensile strength of aluminum, reinforced with pumice and carbonated coal hybrid composites for brake disc application

Tanimu Kogi Ibrahim, Danjuma Saleh Yawas, Julius Thaddaeus, Bashar Danasabe et al. • Scientific Reports (2024)

Abstract This study focuses on optimizing double stir casting process parameters to enhance the tensile strength of hybrid composites comprising aluminum alloy, brown pumice, and coal ash, intended for brake disc applications. Analytical te...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-024-67476-x

Spatiotemporal patterns of remotely sensed phenology and their response to climate change and topography in subtropical bamboo forests during 2001-2017: a case study in Zhejiang Province, China

Xuejian Li, Huaqiang Du, Guomo Zhou, Fangjie Mao et al. • GIScience & Remote Sensing (2023)

Vegetation phenology has long been adapted to environmental change and is highly sensitive to climate change. Shifts in phenology also affect feedbacks of vegetation to environmental factors such as topography and climate by influencing spati...

DOAJ Open Access (DOAJ) DOI: 10.1080/15481603.2022.2163575

Reefs under Siege—the Rise, Putative Drivers, and Consequences of Benthic Cyanobacterial Mats

Amanda K. Ford, Amanda K. Ford, Sonia Bejarano, Maggy M. Nugues et al. • Frontiers in Marine Science (2018)

Benthic cyanobacteria have commonly been a small but integral component of coral reef ecosystems, fulfilling the critical function of introducing bioavailable nitrogen to an inherently oligotrophic environment. Though surveys may have previ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2018.00018

Hg Isotopes and Enhanced Hg Concentration in the Meishan and Guryul Ravine Successions: Proxies for Volcanism Across the Permian-Triassic Boundary

Alcides Nóbrega Sial, Jiubin Chen, Christoph Korte, Manoj Kumar Pandit et al. • Frontiers in Earth Science (2021)

High-resolution organic carbon isotope (δ13C), Hg concentration and Hg isotopes curves are presented for the Permian-Triassic boundary (PTB) sections at Guryul Ravine (India) and Meishan D (China). The total organic carbon (TOC)-normalized ...

DOAJ Open Access (DOAJ) DOI: 10.3389/feart.2021.651224

Characterizing Photosymbiosis Between Fraginae Bivalves and Symbiodinium Using Phylogenetics and Stable Isotopes

Jingchun Li, Jingchun Li, Jingchun Li, Megan Volsteadt et al. • Frontiers in Ecology and Evolution (2018)

Photosymbiotic associations between heterotrophic hosts and photosynthetic algae play crucial roles in maintaining the trophic and structural integrity of coral reef ecosystems. The marine bivalve subfamily Fraginae contains both non-symbio...

DOAJ Open Access (DOAJ) DOI: 10.3389/fevo.2018.00045

Response of Phytoplankton Assemblages From Naturally Acidic Coastal Ecosystems to Elevated pCO2

Natalia Osma, Natalia Osma, Laura Latorre-Melín, Bárbara Jacob et al. • Frontiers in Marine Science (2020)

The interplay of coastal oceanographic processes usually results in partial pressures of CO2 (pCO2) higher than expected from the equilibrium with the atmosphere and even higher than those expected by the end of the century. Although this i...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2020.00323

Toward sustainable development: the nexus between financial development, renewable energy, and carbon emissions in China

Yang Sun, Feng Zhao, Liya Gao • Frontiers in Environmental Science (2025)

The accelerating emissions of greenhouse gases—particularly carbon dioxide (CO2)—pose serious challenges to global environmental sustainability, with China being a major contributor due to its rapid economic and financial expansion. This st...

DOAJ Open Access (DOAJ) DOI: 10.3389/fenvs.2025.1594858

Green jobs as an ethical alternative to achieve a low carbon economy

Patrick Verfe Schneider, Cibele Roberta Sugahara, Luiz Henrique Vieira da Silva • Desenvolvimento em Questão (2022)

The world has increasingly demanded work alternatives that allow the combination of human capacities and potentials aimed at sustainable development and the decarbonization of business activities. Elaborated as a sustainable alternative, fi...

DOAJ Open Access (DOAJ) DOI: 10.21527/2237-6453.2022.58.11303