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Bioplastics, as Seen by University Students 大学生眼中的生物塑料
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230647
Martina Nová, Pavla Šmejkalová
{"title":"Bioplastics, as Seen by University Students","authors":"Martina Nová, Pavla Šmejkalová","doi":"10.54779/chl20230647","DOIUrl":"https://doi.org/10.54779/chl20230647","url":null,"abstract":"The study focuses on the issue of bioplastics from a societal perspective. The surveyed group were students of bachelor and master programs of the University of Chemical Technology Prague, the aim was to map the awareness of bioplastics within the group of university students specialized in chemistry in the Czech Republic. The influence of gender and environmental education on decision making was also investigated. It showed that gender influences decision-making on environmental issues, with women giving more weight to sustainability and zero-waste bioplastics, as well as to the potential positive impact of bioplastics on climate change and water pollution reduction. Men are more pragmatic in their decision-making, giving more priority to material and economic aspects. In the case of the influence of vocational education, environmental students showed a greater tendency towards sustainable behaviour. However, given the small sample of environmental respondents, this hypothesis needs to be confirmed by further research.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Covalently Functionalized Graphene Derivatives as Active Electrode Materials for Supercapacitors 共价功能化石墨烯衍生物作为超级电容器活性电极材料
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230619
Veronika Šedajová, Aristeidis Bakandritsos, Michal Otyepka
{"title":"Covalently Functionalized Graphene Derivatives as Active Electrode Materials for Supercapacitors","authors":"Veronika Šedajová, Aristeidis Bakandritsos, Michal Otyepka","doi":"10.54779/chl20230619","DOIUrl":"https://doi.org/10.54779/chl20230619","url":null,"abstract":"Research efforts for supercapacitor electrode materials have become increasingly important due to the high demand for long-lasting, high-performing and environmentally friendly portable energy storage devices. Graphene-based materials and their hybrids have been shown to be very promising candidates for meeting these requirements. This short review summarizes recent advances in the development of graphene derivatives and focuses in particular on materials derived from graphite fluoride. Covalent graphene derivatives belong to a progressive class of highly efficient materials with tailorable structural and physicochemical properties that can be adapted to meet specific capacitive charge storage requirements, and, thus, enhance the most effective development of the energy storage field.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chairmen of Slovak Chemists' Associations until the End of the 20ᵗʰ Century 直到20世纪末斯洛伐克化学家协会的主席
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230641
Pavel Drašar, Viktor Milata
{"title":"Chairmen of Slovak Chemists' Associations until the End of the 20ᵗʰ Century","authors":"Pavel Drašar, Viktor Milata","doi":"10.54779/chl20230641","DOIUrl":"https://doi.org/10.54779/chl20230641","url":null,"abstract":"The article lists the presidents of Slovak chemists' associations from 1929 to the end of the 20th century.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemické listy – Listy chemické 化学品表 - 化学品表
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230593
Pavel Drašar
{"title":"Chemické listy – Listy chemické","authors":"Pavel Drašar","doi":"10.54779/chl20230593","DOIUrl":"https://doi.org/10.54779/chl20230593","url":null,"abstract":"","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cultivation of Polar Microalgae in a Rotating Flat-Panel Photobioreactor 旋转平板光生物反应器中极性微藻的培养
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230613
Vojtěch Bělohlav, Tomáš Jirout, Josef Elster, Jiří Liška, Linda Nedbalová, Jana Kvíderová
{"title":"Cultivation of Polar Microalgae in a Rotating Flat-Panel Photobioreactor","authors":"Vojtěch Bělohlav, Tomáš Jirout, Josef Elster, Jiří Liška, Linda Nedbalová, Jana Kvíderová","doi":"10.54779/chl20230613","DOIUrl":"https://doi.org/10.54779/chl20230613","url":null,"abstract":"With the increasing urbanisation of the polar regions, the demand for sustainable technologies that are able to transform waste materials into high-value products is growing. For the production of microalgal biomass, nutrients contained in wastewater or carbon dioxide in flue gas can be used. Microalgae strains that have adapted to the extreme climatic conditions of polar regions appear to be a suitable alternative to conventional industrially cultivated microalgae species. Nevertheless, technologies for the production of polar microalgae can also be applied in areas of central and eastern Europe where climatic conditions are not suitable for year-round cultivation of conventional microalgae. For isolated polar microalgae species, a photobioreactor able to rotate according to the current position of the sun has been designed. The rotating flat-panel photobioreactor is able to efficiently use the incident solar radiation, which is crucial for microalgae growth. The designed concept of the rotating photobioreactor has been successfully tested in extreme climatic conditions at the Czech Arctic Research Station in Svalbard.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical Analysis of Clinical Samples – A Path to Translational Research 临床样品的电化学分析-转化研究的途径
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230595
Ludmila Moráňová, Martin Bartošík, Johana Strmisková, Kateřina Nováková
{"title":"Electrochemical Analysis of Clinical Samples – A Path to Translational Research","authors":"Ludmila Moráňová, Martin Bartošík, Johana Strmisková, Kateřina Nováková","doi":"10.54779/chl20230595","DOIUrl":"https://doi.org/10.54779/chl20230595","url":null,"abstract":"Precise diagnostics of cancer or other diseases is crucial when selecting proper treatment. Personalized medicine puts high demands on the accuracy of nucleic acid biomarkers analysis, where subtle differences at the nucleotide level are often involved. Isothermal amplification techniques offer new possibilities of DNA and RNA amplification without using PCR, and their combination with electrochemistry provide a promising fast and cost-effective alternative diagnostic tool. Although electrochemical biosensors are still insufficiently applied to clinical material, thus hindering their development, recent advancements show great promise in translational research. Banks of biological material (biobanks) are specialized workplaces focused on the long-term preservation and processing of clinical material and offer a wide range of expert services, primarily for research purposes, in particular the provision of biological samples and associated pseudonymized data. Their involvement in the field of electrochemical biosensors can facilitate application of electrochemical methods into clinical laboratories and expand the portfolio of currently used diagnostic methods.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136184721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methods for Nitrogen Fixation and Its Reduction to Ammonia 固氮及其还原为氨的方法
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230628
Jaroslava Jarolímková, Zdeňka Kolská
{"title":"Methods for Nitrogen Fixation and Its Reduction to Ammonia","authors":"Jaroslava Jarolímková, Zdeňka Kolská","doi":"10.54779/chl20230628","DOIUrl":"https://doi.org/10.54779/chl20230628","url":null,"abstract":"The research and development of novel materials to produce ammonia from atmospheric nitrogen at atmospheric pressure and room temperature is a hot topic at the present time. Even today, ammonia is still being produced using the conventional Haber-Bosch synthesis, which requires high pressures and temperatures and uses fossil fuels, thus producing significant greenhouse gas emissions. This work is therefore focused on the possibility of preparation and research of new materials capable to fix atmospheric nitrogen and convert it to ammonia under mild conditions. Photocatalysis, electrocatalysis, plasmonic structures, and their combinations can be used for such reductions. In addition to that, this study outlines the advances achieved so far, as well as the general background of the subject.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanoparticles as a Dosage Form in Practice 纳米颗粒作为一种剂型的应用
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230604
Eva Navrátilová Radinová, Eliška Mašková, Kateřina Kubová, Jakub Vysloužil
{"title":"Nanoparticles as a Dosage Form in Practice","authors":"Eva Navrátilová Radinová, Eliška Mašková, Kateřina Kubová, Jakub Vysloužil","doi":"10.54779/chl20230604","DOIUrl":"https://doi.org/10.54779/chl20230604","url":null,"abstract":"Nanoparticles belong to a modern and developing group of drug delivery systems with great potential for further future use. To pharmacotherapy, it brings a number of advantages. The combination of their size, specific properties of used excipients and a suitable drug can result in a more targeted therapy for some serious diagnoses. However, potential adverse effects are also associated with the subcellular size of the pharmaceutical form, and although research is being conducted with countless excipients and types of nanoparticles, only a small proportion of them have made it into clinical practice. This brief overview discusses these classes, it presents the basic characteristics, classification, and possible clinical use. The article also includes an up-to-date overview of representatives of individual nanoparticle drug delivery classes currently registered in the Czech Republic.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epitachophoresis – A Method for the Extraction of Biomacromolecules from Complex Biological Matrices 上皮电泳-一种从复杂生物基质中提取生物大分子的方法
4区 化学
Chemicke Listy Pub Date : 2023-10-15 DOI: 10.54779/chl20230634
Helena Hrušková, Ivona Voráčková, Markéta Laštovičková, Michael Killinger, František Foret
{"title":"Epitachophoresis – A Method for the Extraction of Biomacromolecules from Complex Biological Matrices","authors":"Helena Hrušková, Ivona Voráčková, Markéta Laštovičková, Michael Killinger, František Foret","doi":"10.54779/chl20230634","DOIUrl":"https://doi.org/10.54779/chl20230634","url":null,"abstract":"Epitachophoresis is a new separation preparative technique based on discontinuous electrolyte systems enabling the preconcentration of biomacromolecules from complex biological matrices. Moreover, it enables the transfer of these compounds from biological liquids, such as urine or growth medium, to a simpler solution, suitable for subsequent analyses. In our recently published papers, we focused on the use of epitachophoresis to pretreat the samples containing proteins and DNA. The technique enabled more than seventyfold preconcentration with recoveries reaching more than 90%. The preparative nature of epitachophoresis enables one to subsequently analyse the isolated biomacromolecules by various techniques including mass spectrometry, capillary electrophoresis, gel electrophoresis, ELISA analysis, or new-generation sequencing. Full text English translation is available in the on-line version.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136185879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Strength of Punjabi Asphalt 旁遮普沥青的强度
4区 化学
Chemicke Listy Pub Date : 2023-09-15 DOI: 10.54779/chl20230547
Michal Jurášek, Josef Cabalka, Pavel Drašar
{"title":"On the Strength of Punjabi Asphalt","authors":"Michal Jurášek, Josef Cabalka, Pavel Drašar","doi":"10.54779/chl20230547","DOIUrl":"https://doi.org/10.54779/chl20230547","url":null,"abstract":"Mumio (shilajit), a substance similar to asphalt or resin that oozes from rocks during hot sunny days, mostly in caves in the Himalayas, is known as a medicinal substance in Eastern medicine. It is slowly being accepted by Western healing as well as medicine. It mainly contains fulvic acids, humic acids and a number of other substances. The article mainly summarizes recent information about this substance.
 Full text English translation is available in the on-line version.","PeriodicalId":9766,"journal":{"name":"Chemicke Listy","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135437372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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