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Hybrid Coatings Based on Polyvinylpyrrolidone/Polyethylene Glycol Enriched with Collagen and Hydroxyapatite: Incubation Studies and Evaluation of Mechanical and Physiochemical Properties

Dagmara Słota, Josef Jampilek, Agnieszka Sobczak-Kupiec • Journal of Functional Biomaterials (2024)

Coating materials offers an intriguing solution for imparting inert implants with additional bioactive characteristics without changing underlying parameters such as mechanical strength. Metallic implants like endoprostheses or polymeric im...

DOAJ Open Access (DOAJ) DOI: 10.3390/jfb15030062

Development and validation of the Customer Engagement Orientation scale: Assessing firms’ customer engagement orientation and its impact on performance

Katarzyna Żyminkowska, Izabela Kowalik, Agnieszka Pleśniak • Entrepreneurial Business and Economics Review (2025)

Objective: The article aims to develop and validate a new scale – Customer Engagement Orientation (CENOR) – to measure a firm’s customer engagement orientation and to provide evidence of its impact on firm performance. Although customer eng...

DOAJ Open Access (DOAJ) DOI: 10.15678/EBER.2025.130302

Polyphenols and Pharmacological Screening of a Monarda fistulosa L. dry Extract Based on a Hydrodistilled Residue By-Product

Mariia Shanaida, Nataliia Hudz, Izabela Jasicka-Misiak, Piotr P. Wieczorek • Frontiers in Pharmacology (2021)

This study aimed to determine the composition and content of polyphenols in the dry extract obtained from the hydrodistilled residue by-product of the wild bergamot (Monarda fistulosa L., Lamiaceae Martinov family) herb (MFDE) and to evalua...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphar.2021.563436

Rural areas in Poland from a demographic perspective

Biegańska Jadwiga • Bulletin of Geography. Socio-Economic Series (2013)

The article presents an analysis and a critical assessment of rural areas in Poland in the years 1999-2011 from a demographic perspective. The analysis is based on indicators characterising population density, population structure by gender...

DOAJ Open Access (DOAJ) DOI: 10.2478/bog-2013-0008

Improving Waste Management at Construction Sites—Evidence from a Comparative Study in Poland and Slovakia

Ewelina Mitera-Kiełbasa, Marcela Spišáková, Krzysztof Zima • Buildings (2026)

Construction waste management remains a critical challenge for improving project efficiency and sustainability. Despite extensive research, there is still a lack of comparative and up-to-date empirical studies addressing both material and n...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16071418

Deconsolidation of Liberal Democracy in the Baltic States. The Issue of Compliance with the EU Standards at Institutional and Value Levels

Nataliia Khoma, Oleksii Kokoriev • Romanian Journal of European Affairs (2021)

This article analyses compliance of the post-Soviet Baltic States with the EU liberal-democratic standards, at both institutional and value levels. The authors prove that fulfilment of the Copenhagen criteria for EU accession did not dete...

DOAJ Open Access (DOAJ)

Investigating Spatial Effects through Machine Learning and Leveraging Explainable AI for Child Malnutrition in Pakistan

Xiaoyi Zhang, Muhammad Usman, Ateeq ur Rehman Irshad, Mudassar Rashid et al. • ISPRS International Journal of Geo-Information (2024)

While socioeconomic gradients in regional health inequalities are firmly established, the synergistic interactions between socioeconomic deprivation and climate vulnerability within convenient proximity and neighbourhood locations with heal...

DOAJ Open Access (DOAJ) DOI: 10.3390/ijgi13090330

COUNTRY RISK AND POLITICAL INSTABILITY: A VUCA WORLD APPROACH

Ioana-Sorina ANDREICA (MIHUT), Liviu-Daniel DECEANU • Annals of the University of Oradea: Economic Science (2023)

The last three years were characterized by a climate of drastic change due to a cumulus of disturbances and crises, namely the COVID-19 pandemic, inflation, energy crisis, military conflicts, banking fragilities, populism, disinformation,...

DOAJ Open Access (DOAJ) DOI: 10.47535/1991AUOES32(1)033

Exploring stress mediation: self-efficacy, sense of coherence, and self-esteem among nursing students in Poland—a multicenter cross-sectional observational study

Anna Maria Cybulska, Ewa Kupcewicz, Kamila Rachubińska, Mariusz Panczyk et al. • Frontiers in Public Health (2025)

BackgroundNursing students frequently encounter stressful and demanding situations during clinical training, which may hinder their well-being and professional development. A strong sense of coherence is thought to buffer the negative effec...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpubh.2025.1713759

Influence of chemical composition and discontinuities on energy transformation and rock mass behaviour: Insights into geological dynamic

Naeem Abbas, Kegang Li, Yewuhalashet Fissha, Zemicael Gebrehiwot et al. • The Journal of Engineering (2024)

Abstract In this study, efforts were made to incorporate the influence of discontinuities and failure modes of rock into the classification of rock masses. The past tectonic activities may create microfractures in the rock body therefore th...

DOAJ Open Access (DOAJ) DOI: 10.1049/tje2.12388

Effect of Heat Input on Microstructure and Hardness Distribution of Laser Welded Si-Al TRIP-Type Steel

Adam Grajcar, Maciej Różański, Sebastian Stano, Aleksander Kowalski et al. • Advances in Materials Science and Engineering (2014)

This study is concerned with issues related to laser welding of Si-Al type TRIP steels with Nb and Ti microadditions. The tests of laser welding of thermomechanically rolled sheet sections were carried out using keyhole welding and a solid-...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/658947