{"title":"Pökeln: eine Gratwanderung?","authors":"Arne J. C. Bunkan, Deike Hatscher","doi":"10.1002/ciuz.202500001","DOIUrl":"https://doi.org/10.1002/ciuz.202500001","url":null,"abstract":"<p>Wissen Sie, welche dreiatomige Anionen mit Fleischbestandteilen zu typischen Pökelaromen reagieren und darüber hinaus durch die Bildung von Nitrosomyoglobin die appetitlich rosa Farbe des Neujahrsbratens konservieren?</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"54"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389318","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}
Markus Emden, Marie-Katharina Erhardt, Romy Gruber, Melanie Hägele, Julia Kaloschin, Monika Lederer, Leon Stölzel
{"title":"Und dann für eine halbe Stunde gehen lassen","authors":"Markus Emden, Marie-Katharina Erhardt, Romy Gruber, Melanie Hägele, Julia Kaloschin, Monika Lederer, Leon Stölzel","doi":"10.1002/ciuz.202400035","DOIUrl":"https://doi.org/10.1002/ciuz.202400035","url":null,"abstract":"<p>Anliegen der in loser Folge erscheinenden Versuche ist es, Impulse für chemische Versuche zu geben, die gefahrlos zu Hause mit haushaltsüblichen Gegenständen durchgeführt werden können. Sie können damit als Quelle für das gemeinsame Ausprobieren mit Kindern dienen, z. B. in Kindergärten oder an Schulen sowie zur Verwendung bei Tagen der offenen Tür. Ein Stückweit sind sie zu verstehen als Antwort auf den oft gehörten Satz: „Ach, Du bist Chemiker/in!? Dann mach doch mal eben ein Experiment.“</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"50-52"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389086","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}
{"title":"Alles nur Fassade? Metalle als Oberflächen schützen und beeindrucken","authors":"Dieter Sicker","doi":"10.1002/ciuz.202300044","DOIUrl":"https://doi.org/10.1002/ciuz.202300044","url":null,"abstract":"<p>Tauchen Sie ein in die faszinierende Welt der Metalle und entdecken Sie, wie sie unsere Umgebung prägen und schützen. Von den historischen Bleikammern Venedigs bis hin zu den modernen Titanfassaden des Guggenheim-Museums in Bilbao – dieser Beitrag nimmt Sie mit auf eine Reise durch Raum und Zeit und zeigt, wie Metalle nicht nur funktional, sondern auch ästhetisch beeindrucken können.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"44-49"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389085","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}
{"title":"Inhalt: Chemie in unserer Zeit 1/2025","authors":"","doi":"10.1002/ciuz.202570102","DOIUrl":"https://doi.org/10.1002/ciuz.202570102","url":null,"abstract":"","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"2-3"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389089","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}
{"title":"Wie Goldalgen ihre Toxine produzieren","authors":"Annette Hille-Rehfeld","doi":"10.1002/ciuz.202410012","DOIUrl":"https://doi.org/10.1002/ciuz.202410012","url":null,"abstract":"<p>Vermittelt durch hochmolekulare Toxine, die Prymnesine, führte die massive Vermehrung der Goldalge Prymnesium parvum im Sommer 2022 zu einem katastrophalen Fischsterben in der Oder. Die Biosynthese der Prymnesine bewerkstelligen multifunktionelle Enzyme mit zahlreichen katalytischen Zentren, die Polyketid-Synthasen. Eine der Prymnesin-Synthasen ist größer als das Muskelprotein Titin.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"7-9"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389091","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}
{"title":"Poröse Flüssigkeiten","authors":"Ulrich Schubert","doi":"10.1002/ciuz.202400045","DOIUrl":"https://doi.org/10.1002/ciuz.202400045","url":null,"abstract":"<p>Poröse Feststoffe sind allgegenwärtig und haben vielfältige Anwendungen. Die Vorstellung von porösen Flüssigkeiten (PF) ist hingegen kontraintuitiv. Können Flüssigkeiten tatsächlich permanent porös sein? Nicht gemeint sind Gasblasen – das ist keine stabile Porosität–, sondern intrinsische Hohlräume in Flüssigkeiten, die groß genug sind um Gastspezies aufzunehmen.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"6"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389090","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}
{"title":"Die Entwicklung der Drucktechniken: Von der Schreibmaschine zum 3D-Druck","authors":"Dieter Wöhrle","doi":"10.1002/ciuz.202300022","DOIUrl":"https://doi.org/10.1002/ciuz.202300022","url":null,"abstract":"<div>\u0000 \u0000 <p>It was not until the modern era that the mechanical typewriter was developed as a home printing device, with paper becoming the most important printing material. Then, in the mid-19th century, the digital revolution began, which today includes the main printing technologies for printing text, numbers and graphics for home use. Examples include 2D printers such as inkjet and laser printers. Then there are 3D printers for printing objects. The focus of this article is on the materials used, as well as the construction and operation. The subject is also ideal for teaching to different age groups.</p>\u0000 </div>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"28-37"},"PeriodicalIF":0.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389428","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}
{"title":"Der Kampf mit der Hydra?","authors":"Deike Hatscher","doi":"10.1002/ciuz.202400036","DOIUrl":"https://doi.org/10.1002/ciuz.202400036","url":null,"abstract":"","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"386"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764334","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}
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