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2022 ◽  
Vol 46 (1) ◽  
Habeeb Hiba ◽  
John E. Thoppil

Abstract Background Scientists created a new area known as "green nanotechnology" by combining the concept of sustainability with nanotechnology. Its goal is to eliminate the use of chemicals in nanoparticle manufacturing by replacing them with plant-based materials. Green synthesis is promoted as the best alternative to the traditional method of nanoparticle synthesis in this new domain. Plants that constitute a major portion of our biodiversity are embraced with inherent potentiality to be transformed as miracle medicine due to its phytochemicals. These phytochemicals efficiently replace the classical wet chemical ingredients involved in nanoparticle synthesis by upgrading to greener method for its synthesis. By incorporating plant-based sources as the chief ingredient of nanoparticle synthesis, we are able to reduce the hazards of greenhouse gas emissions and enlighten the insights of our scientific community with nanotechnology for green innovation. Hence, this review simultaneously aims at promoting plant extracts as the most efficient as well as renewable recipe for green synthesis of silver nanoparticles and preparing earth for a greener tomorrow. Methodology Scientific articles and publications were selected from reputed journals and sorted out with pertinent keywords of this review. Electronic sources like Google Scholar, PubMed, Research Gate, Science Direct, Wiley Online Library, Web of Science and Scopus were searched for potential articles and recent breakthroughs published in the area of silver nanoparticle synthesis via green chemistry and biological methods using plant extracts. Scientific names of medicinal plants were checked using botanical databases like Plant List and International Plant Names Index. Conclusion This review pinpoints on empowering better life on earth by protecting it from hazardous effects of conventional nanotechnological production through replacing the former with sustainable green synthesis approach. Ergo, it outlines that by incorporating plant-based sources as the chief ingredient of nanoparticle synthesis, we are able to reduce the hazards of greenhouse gas emissions in turn by slowing down increasing climate change disasters globally and enlighten the insights of our scientific community with nanotechnology for green innovation.

mSphere ◽  
2022 ◽  
Tiago W. P. Mineo ◽  
Jessica H. Chern ◽  
Amara C. Thind ◽  
Caroline M. Mota ◽  
Santhosh M. Nadipuram ◽  

Neospora caninum is a parasite with veterinary relevance, inducing severe disease in dogs and reproductive disorders in ruminants, especially cattle, leading to major losses. The close phylogenetic relationship to Toxoplasma gondii and the lack of pathogenicity in humans drives an interest of the scientific community toward using N. caninum as a model to study the pathogenicity of T. gondii .

2022 ◽  
Vol 16 (4) ◽  
pp. 122-129
L. P. Morozov

The author dedicates this article to the 60th anniversary of the Russian Federal Centre of Forensic Science of the Ministry of Justice of the Russian Federation. He observes the “academic biography” of the Centre and the prerequisites for the emergence of its forensic scholarly tradition. The article also clarifies the features of the scientific school, whereby the scientific community of scientists of the Center received the status of a scientific school and the period of its occurrence.

2022 ◽  
Vol 6 (1) ◽  
pp. 37
Cristina I. Muresan ◽  
Isabela Birs ◽  
Clara Ionescu ◽  
Eva H. Dulf ◽  
Robin De De Keyser

The scientific community has recently seen a fast-growing number of publications tackling the topic of fractional-order controllers in general, with a focus on the fractional order PID. Several versions of this controller have been proposed, including different tuning methods and implementation possibilities. Quite a few recent papers discuss the practical use of such controllers. However, the industrial acceptance of these controllers is still far from being reached. Autotuning methods for such fractional order PIDs could possibly make them more appealing to industrial applications, as well. In this paper, the current autotuning methods for fractional order PIDs are reviewed. The focus is on the most recent findings. A comparison between several autotuning approaches is considered for various types of processes. Numerical examples are given to highlight the practicality of the methods that could be extended to simple industrial processes.

2022 ◽  
Floyd Zhang

Abstract High-profile political endorsements by scientific organizations and publications have been common in recent years, which raises concerns about political backlash against the endorsing organization in particular and scientific expertise in general. In a pre-registered large-sample online controlled experiment, I randomly assign subjects to receive information about Nature's endorsement of Joe Biden for the 2020 U.S. presidential election in the context of the COVID-19 pandemic. Seeing the endorsement message leads to large reductions in self-reported trust in Nature among Trump supporters. This distrust translates into lower demand for COVID-related information provided by Nature, as evidenced by substantially reduced requests for Nature articles on vaccine efficacy and emerging COVID variants when offered. The endorsement also reduces Trump supporters' stated trust in scientists in general, suggesting "reputational externalities" on the scientific community. Treatment effect estimates for Biden supporters are positive but small and often statistically insignificant across outcomes. Finally, I find little evidence that the endorsement is successful at changing subjects' views about Biden and Trump. These results show political endorsement by scientific organizations can undermine public confidence in the endorsing organization and in the scientific community.

2022 ◽  
Vol 4 (1) ◽  
pp. 205-219
Lucija Mulej

This paper addresses the theory of knowledge in relativistic terms of Paul Feyerabend, stressing the importance of personal involvement in the research and theorizing. Since the topic is a constant and widely accepted premise the author is insisting that it has been actually ignored in the sociology and philosophy of science. It is apparent in discursive form, neglected in actual consequences for science in general. Defending the thesis of relativism had remained unacknowledged by the general scientific community. Biographies of mavericks and their struggle and exclusion from scientific community etc. had been constant in the history of science. Is science nowadays able to accept criticism and implement arguments of knowledge beyond the institutionalized standards? Throughout this article we argue that personal involvement creates biased scientific facts; acknowledging and applying tacit knowledge we move beyond personal involvement and create appropriate interpretations of facts and phenomena under investigation, where we reconsider the construction of facts and personal beliefs, knowing that our fields of expertise are incommensurable.

Nanomaterials ◽  
2022 ◽  
Vol 12 (2) ◽  
pp. 203
Jordi Sort

“Nanocomposite materials” is one of the main sections of Nanomaterials and it has contributed with more than 440 publications during the last two years to increase the reputation and recognition of the journal by the scientific community [...]

2022 ◽  
Vol 128 (2) ◽  
Krzysztof Dobek

AbstractThe thermal lens formed in a thermo-optical material as a result of its inhomogeneous heating, is a well-known phenomenon that has found widespread interest in the last decades, especially in the field of laser engineering and photo-thermal spectroscopy. In recent years, growing interest in the application of thermal lensing in different fields of optics and material studies has been observed. This review summarizes the latest efforts made by the scientific community to develop ways of using the phenomenon of thermal lensing. Its applications in spectroscopy, in laser beam formation and in imaging are described. The advantages and disadvantages of the thermal lensing in regard to these areas along with the potential future applications of the phenomenon are discussed.

Polymers ◽  
2022 ◽  
Vol 14 (2) ◽  
pp. 246
Riccardo Narducci

Increasing levels of pollution (especially in large cities), the rising cost of oil, and climate change are pushing the scientific community towards more sustainable solutions for the conversion and storage of energy [...]

2022 ◽  
Vol 12 (1) ◽  
pp. 61
Bruno Ferreira ◽  
Ana Diz ◽  
Paulo Silva ◽  
Luís Sousa ◽  
Lara Pinho ◽  

(1) Background: Due to the increase in care needs, especially in the elderly, the concept of caregiver has emerged. This concept has undergone changes over the years due to new approaches and new research in the area. It is in this context that the concept of informal caregiver emerged. (2) Objectives: To analyse the evolution of the caregiver concept. (3) Methods: Bibliometric analysis, data collection (Web of Science Core Collection) and analysis (Excel; CiteSpace; VOSviewer). (4) Results: Obtained 22,326 articles. The concept emerged in 1990, being subjected to changes, mostly using the term "informal caregiver" since 2016, frequently related to the areas of Gerontology and Nursing. The following research boundaries emerged from the analysis: “Alzheimer’s Disease”, “Elderly” and “Institutionalization”. (5) Conclusions: The informal caregiver emerges as a useful care partner, being increasingly studied by the scientific community, particularly in the last 5 years. Registration number from Open Science Framework:

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