{"id":1831,"date":"2021-01-29T16:15:49","date_gmt":"2021-01-29T16:15:49","guid":{"rendered":"https:\/\/necotox.de\/?p=1401"},"modified":"2023-07-10T19:04:37","modified_gmt":"2023-07-10T19:04:37","slug":"wie-klein-ist-nano","status":"publish","type":"post","link":"https:\/\/necotox.de\/en\/wie-klein-ist-nano\/","title":{"rendered":"How Small Is Nano?"},"content":{"rendered":"

The answer to this question is simple: 1*10-9<\/sup> meter. But does this resolution for SI units - i.e. one billionth - benefit our imagination? Probably hardly, or only in exceptional cases. What is clear is that nano indicates something very small. This is already contained in the term itself. It is derived from the Greek prefix \"nanos,\" which can literally be translated as \"dwarf.<\/p>\n

But how small is very small? Is there an understandable comparison?<\/p>\n

Let's have a look at different facts, which are much more descriptive than 1*10-9<\/sup> Meter:
\n- a human fingernail grows about 1 nanometer (nm) per second
\n- the diameter of the DNS-Helix<\/a> is e.g. 2.5 nm
\n- a Virus <\/a>is on average between 30 and 50 nm in size
\n- a conventional sheet of paper is 80,000 nm thick<\/p>\n

In our illustration, we have put some of this on a scale and compared it directly to other sizes.<\/p>\n

\"Skala:<\/p>\n

Now the question remains how to make such quantities visible.
\nOur team at nEcoTox<\/a> uses state-of-the-art microscopy techniques, such as TEM (transmission electron microscope) or SEM (scanning electron microcope) analyses. In this way, nanomaterials of different types can be characterized by imaging. In fact, this allows us to learn not only about their size but also about their Form und Gestalt<\/a> say. In addition, we also use SEM or TEM analyses to determine particle size distributions and material compositions, e.g. according to REACH specifications.<\/p>\n

Do you need support in sizing or characterization of nanomaterials? Then contact me by phone at +49 6346 9661491 or via mail seitz@necotox.de.<\/a><\/p>\n

We will be happy to help you!<\/p>\n

Image from PublicDomainPictures<\/a> at Pixabay<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Die Antwort auf diese Frage ist einfach: 1*10-9 Meter. Doch n\u00fctzt dieser Vorsatz f\u00fcr SI-Einheiten – also ein Milliardstel – unserer Vorstellungskraft? Wohl kaum oder nur in Ausnahmef\u00e4llen. Klar ist, Nano deutet auf etwas sehr kleines hin. Das steckt schon im Begriff selbst. Dieser ist von der griechischen Vorsilbe \u201enanos\u201c abgeleitet, die w\u00f6rtlich mit \u201eZwerg\u201c […]<\/p>","protected":false},"author":1,"featured_media":1834,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[41,57,24,43,26,61,62,45],"class_list":["post-1831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nanofacts","tag-charakterisierung","tag-groesse","tag-nano","tag-nanomaterial","tag-necotox","tag-sem","tag-skala","tag-tem"],"yoast_head":"\nWie Klein Ist Nano? - nEcoTox<\/title>\n<meta name=\"description\" content=\"Wir beantworten die Frage wie klein Nano(-materialien) sind und durch welche Mikroskopie man sie sichtbar macht.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/necotox.de\/en\/wie-klein-ist-nano\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wie Klein Ist Nano? 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