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Wyświetlanie 1-10 z 12
Tytuł:
Natural hazard and disaster tourism
Autorzy:
Rucińska, Dorota
Lechowicz, Maciej
Tematy:
Tourism
natural hazards
natural catastrophes
natural disasters
Pokaż więcej
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Powiązania:
https://bibliotekanauki.pl/articles/2037015.pdf  Link otwiera się w nowym oknie
Opis:
An observed trend, which can be defined as tourist interest in natural hazards and disasters, has persuaded the authors to attempt to research several issues, including tourist motivations and specific tourism properties and functions of this form of activity. The objective also covered the allocation of this social and natural process in the general structure of tourism. This interest has a long history, and a new stage is currently forming, which partly results from factors affecting society, such as information and education, which provoke antagonistic reactions. Extreme natural phenomena entail a common reduction of tourist interest in the destination which hosted the event; however, it never drops to zero. Differences are visible depending on the type of phenomenon. On the other hand, natural hazards and disasters are considered to hold a specific tourism value. This article discusses the allocation of this human activity in the tourism forms known to scientists, accounting for its diversity and relating to ethics.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Natural hazard and disaster tourism
Autorzy:
Lechowicz, Maciej
Rucińska, Dorota
Wydawca:
De Gruyter
Cytata wydawnicza:
Miscellanea Geographica - Regional Studies on Development. Volume 18, Issue 1, Pages 17–25, ISSN (Online) 2084-6118, DOI: 10.2478/mgrsd-2014-0002, March 2014
Opis:
An observed trend, which can be defined as tourist interest in natural hazards and disasters, has persuaded the authors to attempt to research several issues, including tourist motivations and specific tourism properties and functions of this form of activity. The objective also covered the allocation of this social and natural process in the general structure of tourism. This interest has a long history, and a new stage is currently forming, which partly results from factors affecting society, such as information and education, which provoke antagonistic reactions. Extreme natural phenomena entail a common reduction of tourist interest in the destination which hosted the event; however, it never drops to zero. Differences are visible depending on the type of phenomenon. On the other hand, natural hazards and disasters are considered to hold a specific tourism value. This article discusses the allocation of this human activity in the tourism forms known to scientists, accounting for its diversity and relating to ethics.
Dorota Rucińska
Dostawca treści:
Repozytorium Centrum Otwartej Nauki
Artykuł
Tytuł:
Structure-activity relationships in alkoxylated resorcinarenes : synthesis, structural features, and bacterial biofilm-modulating properties
Autorzy:
Lechowicz, Łukasz
Urbaniak, Mariusz
Gawdzik, Barbara
Hodorowicz, Maciej
Wielgus, Ewelina
Opis:
In this study, a series of novel alkoxylated resorcinarenes were synthesized using secondary and tertiary alcohols under mild catalytic conditions involving iminodiacetic acid. Structural characterization, including single-crystal X-ray diffraction, confirmed the successful incorporation of branched alkyl chains and highlighted the influence of substitution patterns on molecular packing. Notably, detailed mass spectrometric analysis revealed that, under specific conditions, the reaction pathway may shift toward the formation of defined oligomeric species with supramolecular characteristics—an observation that adds a new dimension to the synthetic potential of this system. To complement the chemical analysis, selected derivatives were evaluated for biological activity, focusing on bacterial growth and biofilm formation. Using four clinically relevant strains (Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and Bacillus subtilis), we assessed both planktonic proliferation (OD600) and biofilm biomass (crystal violet assay). Compound 2c (2-pentanol derivative) consistently promoted biofilm formation, particularly in S. aureus and B. subtilis, while having limited cytotoxic effects. In contrast, compound 2e and the DMSO control exhibited minimal impact on biofilm development. The results suggest that specific structural features of the alkoxy chains may modulate microbial responses, potentially via membrane stress or quorum sensing interference. This work highlights the dual relevance of alkoxylated resorcinarenes as both supramolecular building blocks and modulators of microbial behavior.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 12

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