Search Results (14)

This study investigates how the Camino de Santiago pilgrimage influences personal value systems and self-actualization in the context of late modernity, where individualism and instrumental rationality often constrain moral and communal development. Drawing on Schwartz’s value theory and Kaufman’s scale of self-actualization, we conducted an online survey of 500 pilgrims to examine self-reported value changes following the pilgrimage. Factor analyses tested whether these changes aligned with theoretical value structures and how they related to self-actualization. The findings suggest that pilgrimage fosters a shift from self-enhancement toward self-transcendence, with self-direction aligning more closely with universalism and benevolence—indicating a socially oriented form of autonomy. Increases in self-actualization correlate positively with self-transcendence values (universalism and benevolence), self-direction, and conservation values (tradition, conformity, and security) while showing negative associations with power and achievement. The pilgrimage experience appears to realign values toward altruism, moral engagement, and sustainability. By integrating personal growth with ethical and communal orientations, the Camino de Santiago emerges as a meaningful context for multidimensional repair. In this way, the pilgrimage can be understood as a journey of repair—mending value hierarchies fractured by late modern life and restoring a sense of belonging, care, and transcendent purpose. Full article

Within the realm of dental material innovation, this study pioneers the incorporation of tung oil into polyurea coatings, setting a new precedent for enhancing self-healing functionality and durability. Originating from an ancient practice, tung oil is distinguished by its outstanding water resistance and microbial barrier efficacy. By synergizing it with polyurea, we developed coatings that unite mechanical strength with biological compatibility. The study notably quantifies self-healing efficiency, highlighting the coatings’ exceptional capacity to mend physical damages and thwart microbial incursions. Findings confirm that tung oil markedly enhances the self-repair capabilities of polyurea, leading to improved wear resistance and the inhibition of microbial growth, particularly against Streptococcus mutans, a principal dental caries pathogen. These advancements not only signify a leap forward in dental material science but also suggest a potential redefinition of dental restorative practices aimed at prolonging the lifespan of restorations and optimizing patient outcomes. Although this study lays a substantial foundation for the utilization of natural oils in the development of medical-grade materials, it also identifies the critical need for comprehensive cytotoxicity assays. Such evaluations are essential to thoroughly assess the biocompatibility and the safety profile of these innovative materials for clinical application. Future research will concentrate on this aspect, ensuring that the safety and efficacy of the materials align with clinical expectations for dental restorations. Full article

Smart self-healing coatings offer a revolutionary approach to mitigating metal corrosion, a problem with significant economic and environmental impacts. Divided into intrinsic and extrinsic types, these coatings autonomously rectify the damage. Intrinsic variants utilize reversible bonds to achieve ongoing repair, while extrinsic ones incorporate micro/nanocontainers that activate upon environmental triggers to mend micro-cracks, their efficacy dictated by the encapsulated healing agents’ volume. This review dissects the rapidly evolving sector of stimuli-responsive self-healing coatings, emphasizing the progress in micro/nano container technology. It discusses the synthesis and encapsulation processes of different micro/nanocontainers and charts the transition from single to multistimulus-responsive systems, which enhances the coatings’ sensitivity and functionality. The addition of multifunctional traits such as self-reporting and anti-microbial actions further broadens their industrial applicability. The review provides a succinct overview of the field’s current state and future potential, envisioning a paradigm shift in corrosion protection through advanced smart coatings. Full article

Breast cancer (BC) in younger age is a critical and potentially traumatic experience that can interrupt the continuity of self-narrative during a crucial phase. In the Narrative Identity framework the translation of memories into autobiographical narratives is an internal and external process that plays a key role in meaning-making, social relationships and self-coherence. The aim of this study is to examine the role and function that autobiographical memory narratives (AMN) play in the process of adaptation to BC medical treatment. Seventeen BC women below 50 years received prompts to provide autobiographical memory narratives at four phases during their treatment (pre-hospitalization-T1-post-surgery-T2-chemo-radio therapy-T3-follow-up-T4). The Emotional Processing Scale (EPS) was also administered. In all, 68 AMN were collected. A three step procedure of data analysis was conducted. The first one, an empirically-derived memory coding manual to analyze key dimensions of AMN was developed: Agency; Emotional Regulation and Interpersonal Relations. Findings show a particular vulnerability in narrative identity faced by BC women during the shift from T1-T3. In the second one, an emotional coping profile for each woman focusing on the shift from T1-T3 was created. For the third step, these profiles were compared with the EPS scores. The final results suggest the capacity of the AMNs to differentiate the women’s emotional adaptation over the course of the BC treatment. Despite the study’s limitations, it supports the use of AMN as clinical device to construct a deeper knowledge and profiling trajectory of how women have internalized and elaborated past encounters with illness and help providers, as well as their prior experience of bodily/psychological health and integrity. This information adds to an understanding of their current efforts at recovery and adaptation. In this way we believe that the recollection of narrative memories, not only at the end of the cancer treatment but also during its process, could help the women to mend the broken continuity of their narrative self, as they seek to maintain a healthy balance of internal resources across their past, present, and projected future. Full article

High-performance composites suffer from fatigue crack propagation during service. Traditional repair methods can be expensive and time-consuming. Therefore, research on composites with self-healing capabilities has considerably increased in the past decade. The aim of this work is to develop a polyamide 6 (PA6) matrix with self-healing properties. Polycaprolactone (PCL) was used as healing agent and melt compounded with PA6. PCL caused a decrease of the mechanical properties of PA6, due to its immiscibility and low mechanical properties. Nevertheless, acceptable fracture toughness values in quasi-static mode were obtained. Samples were thermally mended at 80 and 100 °C, and the healing efficiency was assessed by comparing the fracture toughness of virgin and repaired samples both in quasi-static and in impact mode. The blend with a PCL content of 30 wt% showed limited healing efficiency values (up to 6%) in quasi-static mode, while an interesting repair capability (53%) was detected under impact conditions. This discrepancy was explained through microstructural analysis and correlated to a different fracture morphology. In fact, under quasi-static mode, the PA6 matrix was severely plasticized, while under impact a brittle fracture surface was obtained. This morphology favored the flow of PCL during the thermal healing process. Full article

Cracking is one of the main ways that concrete ages, allowing pollutants to seep within and potentially lowering the physical and mechanical strength and endurance of concrete structures. One of the healing procedures that merits research is the use of bacterially generated calcium carbonate precipitation in concrete mixtures to mend concrete cracks. The impact of different variables, including the nucleation location, bacterial type, concentration, uratolytic activities, pH, nutrition, and temperature on the bio-mineralization of calcium carbonate are discussed in this review article. ATR-IR (Attenuated Internal Reflectance Fourier Transform Infrared Spectroscopy)/FTIR (Fourier Transform Infrared Spectroscopy)/NMR (Nuclear Magnetic Resonance) and FESEM (Field Emission Scanning Electron Microscope) are among the micro test techniques reviewed along with the biosynthetic pathway of bio mineralized calcium carbonate. The sealing ability and recovery of mechanical and durability properties of bio-mineralized concrete specimen is discussed. Moreover, we discussed the corrosion, damages, and challenges and their detection methods. Also, in-depth knowledge on the use, advancements, and drawbacks of bio-mineralized calcium carbonate is presented. Future potential for bio-mineralized (MICP) self-healing concrete are discussed in the final section. Full article

Mobile Ad hoc Networks (MANETs) are intended to work without a fixed framework and provide dependable interchanges to ground vehicles, boats, airplanes, or people and structure a self-mending process that will empower persistent correspondences in any event, when at least one of its nodes are debilitated or briefly expelled from the system. Notwithstanding, MANETs demonstrate themselves to be progressively harder to create for enormous systems with hundreds or thousands more nodes than initially envisioned. In our proposed technique, the node switches its communication mode depending on the connectivity of the adjacent nodes. The transmission power of each node will be calculated with the help of two major scenarios i.e., tree scenario and zone scenario. The autonomous clustering of the nodes among the tree and the zone scenario will be channelized by a comparison of the transmission power (residual energy) among the nodes. The inter and the intra communication of the node is also discussed in the paper. The result will be carried out by the simulation work in various perspectives, such as checking the percentage level of malicious nodes, traffic density, transmission power, and the longevity of nodes. Full article

Ultraviolet radiation, oxidation, temperature, moisture, and traffic loads produce degradation and brittleness in the asphalt pavement. Microcracks develop into macrocracks, which eventually lead to pavement failure. Although asphalt has an inherent capacity for self-healing, it is constricted. As a result, damages build beyond the ability of asphalt to repair themselves. This research employs the in-situ crack healing method of encapsulated rejuvenator technology to enhance the insufficient self-healing capability of roads. This allows the extrinsically induced healing in asphalt to assist it in recovering from damage sustained during service life. Optical microscopy, thermogravimetric analysis, and the compressive load test of capsules were done to characterise their properties. We measured the self-healing behaviour of encapsulated rejuvenator-induced asphalt utilising the three-point bending beam tests on unaged, short-term aged and long-term aged asphalt beams. The rate of oil release before and after healing was quantified using Fourier transform infrared spectroscopy. The results of these tests were utilised to explain the link between healing time, temperature, asphalt ageing, and healing level. Overall, it was determined that the encapsulated rejuvenator was acceptable for mending asphalt mixes because it increased healing temperature and duration, resulting in an up to 80% healing index. Full article

“Post-traditional” Jewishness—a distinctively modern condition wherein past sources of theological authority and religious normativity are no longer self-evident—has been one of the most abiding interests in Paul Mendes-Flohr’s writings for more than four decades. The present article traces the contours of this concern over time. In a number of publications between 1978 and 1987, Mendes-Flohr highlights “secular religiosity” as a manifestation of post-traditional Jewishness, exemplified by figures such as Martin Buber and Franz Rosenzweig. These early writings intimate the possibility of a critical and yet nonetheless integrated Jewish religious subject, grounded hermeneutically in Jewish sources and sociologically in the Jewish community of destiny (Schicksalsgemeinschaft). Starting in the late 1980s, however, Mendes-Flohr’s representations of post-traditional Jewishness begin to emphasize greater degrees of complexity and, indeed, fragmentation. These later writings gesture less to visions of secular religiosity than toward postures of “undogmatic, pluralistic, and open” self-reflectivity before the ever-changing faces of reality. Throughout this rich trajectory in Mendes-Flohr’s thought, though, we see that he returns continually—and ever more trenchantly—to dialogical life as a grounding principle. Full article

For the first time, a porous mesh of poly(ε-caprolactone) (PCL) was electrospun directly onto carbon fiber (CF) plies and used to develop novel structural epoxy (EP) composites with electro-activated self-healing properties. Three samples, i.e., the neat EP/CF composite and two laminates containing a limited amount of PCL (i.e., 5 wt.% and 10 wt.%), were prepared and characterized from a microstructural and thermo-mechanical point of view. The introduction of the PCL mesh led to a reduction in the flexural stress at break (by 17%), of the interlaminar shear strength (by 15%), and of the interlaminar shear strength (by 39%). The interlaminar fracture toughness of the prepared laminates was evaluated under mode I, and broken samples were thermally mended at 80 °C (i.e., above the melting temperature of PCL) by resistive heating generated by a current flow within the samples through Joule’s effect. It was demonstrated that, thanks to the presence of the electrospun PCL mesh, the laminate with a PCL of 10 wt.% showed healing efficiency values up to 31%. Full article

It is a universal fact that concrete is one of the most employed construction materials and hence its exigency is booming at a rocket pace, which in turn, has resulted in a titanic demand of ordinary Portland cement. Regrettably, the production of this essential binder of concrete is not merely found to consume restricted natural resources but also found to be associated with emission of carbon dioxide—a primary greenhouse gas (GHG) which is directly answerable to earth heating, resulting in the gigantic dilemma of global warming. Nowadays, in order to address all these impasses, researchers are attracted to innovative Geopolymer concrete technology. However, crack development of various sizes within the concrete is inevitable irrespective of its kind, mix design, etc., owing to external and internal factors viz., over-loading, exposure to severe environments, shrinkage, or error in design, etc., which need to be sealed otherwise these openings permits CO₂, water, fluids, chemicals, harmful gases, etc., to pass through reducing service life and ultimately causing the failure of concrete structures in the long term. That is why instant repairs of these cracks are essential, but manual mends are time-consuming and costly too. Hence, self-healing of cracks is desirable to ease their maintenances and repairs. Self-healing geopolymer concrete (SHGPC) is a revolutionary product extending the solution to all these predicaments. The present manuscript investigates the self-healing ability of geopolymer paste, geopolymer mortar, and geopolymer concrete—a slag-based fiber-reinforced and a variety of other composites that endow with multifunction have also been compared, keeping the constant ratio of water to the binder. Additionally, the feasibility of bacteria in a metakaolin-based geopolymer concrete for self-healing the cracks employing Bacteria-Sporosarcina pasteurii, producing Microbial Carbonate Precipitations (MCP), was taken into account with leakage and the healing process in a precipitation medium. Several self-healing mechanisms, assistances, applications, and challenges of every strategy are accentuated, compared with their impacts as a practicable solution of autogenously-healing mechanisms while active concretes are subjected to deterioration, corrosion, cracking, and degradation have also been reviewed systematically. Full article

Thin cyclic olefin copolymer (COC) foils were used as intrinsic thermoplastic healing agents in carbon fiber (CF)-reinforced epoxy laminates. COC films were produced by hot pressing and were interleaved in the interlaminar regions between each EP/CF lamina, during the hand layup fabrication of the laminates. Three samples were produced, i.e., the neat EP/CF laminate without COC, and two laminates containing COC layers with a thickness of 44 μm and 77 μm, respectively. It was observed that the fiber volume fraction decreased, and the porosity increased with the introduction of COC layers, and this effect was more evident when thick films were used. These two effects, combined with the sub-optimal adhesion between COC and EP, caused a decrease in the mechanical properties (i.e., the elastic modulus, flexural strength, interlaminar shear strength and interlaminar fracture toughness) of the laminates. Specimens subjected to mode I interlaminar fracture toughness test were then thermally mended under pressure by resistive heating, through the Joule effect of conductive CFs. A temperature of approximately 190 °C was reached during the healing treatment. The healing efficiency was evaluated as the ratio of critical strain energy release rate (G_IC) of the healed and virgin specimens. Healed specimens containing COC layers of 44 μm and 77 μm exhibited a healing efficiency of 164% and 100%, respectively. As expected, the healing treatment was not beneficial for the neat EP/CF laminate without COC, which experienced a healing efficiency of only 2%. This result proved the efficacy of COC layers as a healing agent for EP/CF laminates, and the effectiveness of resistive heating as a way to activate the intrinsic healing mechanism. Full article

At the 2018 meeting of the Permanent European Conference for the Study of the Rural Landscape (PECSRL), that took place in Clermont-Ferrand and Mende in France, the Institute for Research on European Agricultural Landscapes e.V. (EUCALAND) Network organized a session on traditional landscapes. Presentations included in the session discussed the concept of traditional, mostly agricultural, landscapes, their ambiguous nature and connections to contemporary landscape research and practice. Particular attention was given to the connection between traditional landscapes and regional identity, landscape transformation, landscape management, and heritage. A prominent position in the discussions was occupied by the question about the future of traditional or historical landscapes and their potential to trigger regional development. Traditional landscapes are often believed to be rather stable and slowly developing, of premodern origin, and showing unique examples of historical continuity of local landscape forms as well as practices. Although every country has its own traditional landscapes, globally seen, they are considered as being rare; at least in Europe, also as a consequence of uniforming CAP (Common Agricultural Policy) policies over the last five decades. Although such a notion of traditional landscapes may be criticized from different perspectives, the growing number of bottom-up led awareness-raising campaigns and the renaissance of traditional festivities and activities underline that the idea of traditional landscapes still contributes to the formation of present identities. The strongest argument of the growing sector of self-marketing and the increasing demand for high value, regional food is the connection to the land itself: while particular regions and communities are promoting their products and heritages. In this sense, traditional landscapes may be viewed as constructed or invented, their present recognition being a result of particular perceptions and interpretations of local environments and their pasts. Nevertheless, traditional landscapes thus also serve as a facilitator of particular social, cultural, economic, and political intentions and debates. Reflecting on the session content, four aspects should be emphasized. The need for: dynamic landscape histories; participatory approach to landscape management; socioeconomically and ecologically self-sustaining landscapes; planners as intermediaries between development and preservation. Full article

This study uses a sociomaterial practice theoretical lens to explore the learning processes and outcomes of non-professional menders emerging through their participation in communal mending workshops. Recent years have witnessed an emergence of repair workshops that seek to provide an alternative to the make-take-waste paradigm dominating the fast fashion industry in most Western countries. The paper is based on three months of extensive fieldwork in six repair workshops in two cities in New Zealand (Auckland and Wellington). Thirty-five in-depth interviews, eight follow-up surveys and field notes from participant observations were used to collect data. A triangulation of the methods and open coding helped identify three types of learning streams from the data: material learning, communal learning, and environmental learning. The learned outcomes aided in equipping participants with knowledge of how to mend, extend use of existing garments, address alternatives to garment disposal, create feelings of caring, self-reliance and empowerment in communities, and differentiate between good- and bad-quality garments. In this way, communal workshops help users to be more proactive in providing sustainable local solutions to global ecological problems and create diversified learning around sociomaterial and ecological aspects of garments and their use. This could potentially create awareness of the importance of buying better and more durable garments in the future to keep them longer in use. Full article