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Impact of micromechanical properties of organic matter on the micro-mesopore structures of the over-mature shale in the Niutitang Formation

Hang Lei, Wenjibin Sun, Yujun Zuo, Zhonghu Wu et al. • Scientific Reports (2025)

Abstract The micromechanical properties of organic matter (OM) and organic pore structures in the over-mature stage are crucial for determining shale reservoir quality and assessing shale gas resource potential. However, there is still deba...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-025-89164-0

The influence of the volatiles on the slag composition for the heating process

Zhao Z.-Y., Zhao J.-X., Cui Y., Lu L. et al. • Journal of Mining and Metallurgy. Section B: Metallurgy (2020)

The physicochemical properties of slag are of great importance in pyrometallurgy. If there is a volatile component in the slag, evaporation will inevitably occur. As a result, the slag composition will change, and the measured results will ...

DOAJ Open Access (DOAJ) DOI: 10.2298/JMMB190509046Z

Evaluation of experimentally observed asymmetric distributions of hardness, strain and residual stress in cold drawn bars by FEM-simulation

Juliana Zottis, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha • Journal of Materials Research and Technology (2018)

The purpose of this paper is to investigate the correlation of strain and hardness parameters in a drawing process chain of an SAE 1045 steel bar. The present work discusses the application of the experimental and numerical method of analys...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2018.01.004

Superparamagnetic iron oxide-enhanced magnetic resonance for imaging cardiac inflammation. A minireview

Helena Podrouzkova, Vera Feitova, Roman Panovsky, Jaroslav Meluzin et al. • Biomedical Papers (2015)

Background: Advances in nanotechnology have lead to the development of a novel contrast media for Magnetic Resonance Imaging (MRI) - the superparamagnetic iron oxide nanoparticle (SPIO). SPIO nanoparticles are used to image inflammation on...

DOAJ Open Access (DOAJ) DOI: 10.5507/bp.2014.030

Purification of Murine Gammaherpesvirus 68 With Use of Differential Centrifugation

Hodoši R., Nováková E., Šupolíková M. • European Pharmaceutical Journal (2021)

The method for separation of viral particles in a concentrated form from the environment is called virus purification. Viruses are required to be purified for a range of studies in which it is necessary to distinguish the properties or stru...

DOAJ Open Access (DOAJ) DOI: 10.2478/afpuc-2021-0009

Anti-Bacterial Microgel Synthesis: Sonochemical Modification of Carbopol for Hygienic Applications

Aghil Asadi, Mohsen Najafi, Hossien Bouhnedi, Mehdi Haji Bagherian • علوم و تکنولوژی پلیمر (2021)

Hypothesis: The volume of studies conducted on biopolymeric materials emphasizes the high-consumption of polymers in biomaterial fields, especially in cosmetics industry which must be resistant to different kinds of microorganisms and bacte...

DOAJ Open Access (DOAJ) DOI: 10.22063/jipst.2021.1779

Exploring fibre addition methods and mechanical properties of fibre-reinforced 3D printed concrete: A review

Syed Bustan Fatima Warsi, Biranchi Panda, Pankaj Biswas • Developments in the Built Environment (2023)

3D Concrete Printing (3DCP) is a growing field of sustainable technology that offers an avenue for rapid industrialisation of the construction industry. Over the years, many non-structural elements have been fabricated by 3D printing, thus ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.dibe.2023.100295

Correlation between molar concentration and properties of sprayed copper oxide thin films

F.O. Oluyemi, E.D. Ogunmola, A.A. Ajayi, O.C. Olawole • Results in Optics (2023)

Copper oxide precursor solutions containing 0.10 M, 0.15 M, 0.20 M and 0.25 M concentration of copper were deposited on a glass substrate using the spray pyrolysis method. The structural, optical and surface properties of the resulting copp...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rio.2023.100416

Numerical study of real gas effects during bubble collapse using a disequilibrium multiphase model

Saeed Bidi, Phoevos Koukouvinis, Andreas Papoutsakis, Armand Shams et al. • Ultrasonics Sonochemistry (2022)

An explicit density-based solver of the Euler equations for inviscid and immiscible gas–liquid flow media is coupled with real-fluid thermodynamic equations of state supporting mild dissociation and calibrated with shock tube data up to 500...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ultsonch.2022.106175

A First-principles analysis of Structural, Electronic, Elastic, and vacant properties of BCC, FCC and HCP tungsten at different electronic temperatures

X.B. Ye, B.C. Pan • Nuclear Materials and Energy (2023)

Since tungsten (W) was considered as the most promising plasma facing materials (PFMs) in fusion reactors, there has been extensive research on the physical performance of W-PFMs. It is found that under the extreme conditions in a fusion re...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nme.2023.101447

Seabird Migration Strategies: Flight Budgets, Diel Activity Patterns, and Lunar Influence

Anne-Sophie Bonnet-Lebrun, Anne-Sophie Bonnet-Lebrun, Maria P. Dias, Maria P. Dias et al. • Frontiers in Marine Science (2021)

Every year, billions of birds undertake extensive migrations between breeding and non-breeding areas, facing challenges that require behavioural adjustments, particularly to flight timing and duration. Such adjustments in daily activity pat...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2021.683071

Varieties of Mushrooms and their Nutraceutical Importance: A Systematic Review

Debasmita Chatterje, Dipankar Halder, Satadal Das • Journal of Clinical and Diagnostic Research (2021)

Introduction: Around 2000 species of mushrooms exist in nature, of which hardly 25 varieties are accepted as edible in nature. “Nutraceuticals” are food substances that are associated with immense health benefits and also hinder the deve...

DOAJ Open Access (DOAJ) DOI: 10.7860/JCDR/2021/47240.14660

Implementation of a Tunnel System for Scaling-Out High-Quality Cassava Planting Material

Jazmín Vanessa Pérez-Pazos, Deimer Fuentes-Cassiani, Sol-Mara Regino, Jorge-Luis García et al. • Plants (2025)

The production of high-quality cassava planting material is a key strategy for mitigating the spread of pests and diseases. To promote the adoption of such strategies by farmers, it is essential to strengthen local capacities through knowle...

DOAJ Open Access (DOAJ) DOI: 10.3390/plants14192983

Tribological and flexural characterization of dissimilar AA2024-T3/AA6082-T6 friction stir welded joints

Paritosh Mishra, Brijesh Prasad, Sunil Chamoli, Ibrahim M. Alarifi • Journal of Materials Research and Technology (2026)

The escalating demand for lightweight, high-strength structures in the aerospace and automotive sectors necessitates robust joining technologies for dissimilar aluminium alloys. This study systematically investigates the effects of friction...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2026.08.256

Bioconversion of Date Waste into Bacterial Nanocellulose by a New Isolate <i>Komagataeibacter</i> sp. IS22 and Its Use as Carrier Support for Probiotics Delivery

Islam Sayah, Ibtissem Chakroun, Claudio Gervasi, Davide Barreca et al. • Foods (2025)

Bacterial nanocellulose (BNC) has gained considerable interest over the last decade due to its unique properties and versatile applications. However, the low yield and the high production cost significantly limit its industrial scalability....

DOAJ Open Access (DOAJ) DOI: 10.3390/foods14162853

Nanofibers with a tunable wettability by electrospinning and physical crosslinking of poly(2-n-propyl-2-oxazoline)

Ella Schoolaert, Luisa Cossu, Jana Becelaere, Joachim F.R. Van Guyse et al. • Materials & Design (2020)

This work shows the design of highly porous membranes with tunable wettability based on poly(2-n-propyl-2-oxazoline) (PnPrOx) nanofibers. Wicking and advanced contact angle experiments demonstrate the high potential for applications requiri...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2020.108747

Sustainable Use of By-Products and Wastes from Greece to Produce Innovative Eco-Friendly Pervious Concrete

Petros Petrounias, Panagiota P. Giannakopoulou, Aikaterini Rogkala, Maria Kalpogiannaki et al. • Applied Sciences (2022)

This study was based on the reduction of the extraction of natural resources and, at the same time, was focused on the use of by-products and various wastes in construction applications by following the principles of circular economy. Steri...

DOAJ Open Access (DOAJ) DOI: 10.3390/app12125861