Grne Synthese von Silbernanopartikeln: Methoden und Anwendungen by Shaheen Husai-image

Grne Synthese von Silbernanopartikeln: Methoden und Anwendungen by Shaheen Husai

$ 70.61

ISBN-13: 9786209133053 gtin13: 9786209133053 Author: Shaheen Husain, Tasneem Fatma Type: NA Book Title: Grne Synthese von Silbernanopartikeln Format: Paperback Language: German ISBN: 9786209133053 Publication Name: NA

Description

Grne Synthese von Silbernanopartikeln by Shaheen Husain, Tasneem Fatma Estimated delivery 3-12 business days Format Paperback Condition Brand New Description In dieser Studie wurde die Biosynthese von Silber-Nanopartikeln mit Nostoc muscorum und Microchaete sp. untersucht. Von 30 untersuchten Cyanobakterienstämmen wurden diese beiden aufgrund ihrer Fähigkeit, kleinere Nanopartikel in kürzerer Zeit zu produzieren, für weitere Untersuchungen ausgewählt. Optimierungsstudien ergaben, dass die besten Synthesebedingungen 2 ml Extrakt (2 mg/ml) und 1 ml AgNO3 (1 mM) mit einem UV-VIS-Absorptionspeak bei 440 nm umfassten. Der optimale pH-Wert für die Synthese war 5,5, mit minimaler Aggregation. Die besten Temperaturen waren 60°C für Nostoc und 50°C für Microchaete. Die UV-Bestrahlungszeit beeinflusste die Synthese, wobei die Absorptionsspitze bei 60 Minuten (430 nm) lag. Die Charakterisierung mittels REM, TEM, AFM, XRD und FTIR bestätigte die sphärische Form, die Kristallinität und die proteinbasierte Stabilisierung der Nanopartikel. Die Partikel maßen 30 nm in Nostoc und 7 nm in Microchaete. Die antibakterielle Aktivität war am höchsten gegen Staphylococcus aureus, während Antioxidationstests eine starke Aktivität zeigten. Diese umweltfreundliche Methode stellt eine skalierbare Alternative zur chemischen Synthese für biomedizinische und technologische Anwendungen dar. Details ISBN 6209133053 ISBN-13 9786209133053 Title Grne Synthese von Silbernanopartikeln Author Shaheen Husain, Tasneem Fatma Format Paperback Year 2025 Pages 128 Publisher Verlag Unser Wissen GE_Item_ID:174472038; About Us Grand Eagle Retail is the ideal place for all your shopping needs! With fast shipping, low prices, friendly service and over 1,000,000 in stock items - you're bound to find what you want, at a price you'll love! Shipping & Delivery Times Shipping is FREE to any address in USA. Please view eBay estimated delivery times at the top of the listing. Deliveries are made by either USPS or Courier. We are unable to deliver faster than stated. International deliveries will take 1-6 weeks. NOTE: We are unable to offer combined shipping for multiple items purchased. This is because our items are shipped from different locations. Returns If you wish to return an item, please consult our Returns Policy as below: Please contact Customer Services and request "Return Authorisation" before you send your item back to us. Unauthorised returns will not be accepted. Returns must be postmarked within 4 business days of authorisation and must be in resellable condition. Returns are shipped at the customer's risk. We cannot take responsibility for items which are lost or damaged in transit. For purchases where a shipping charge was paid, there will be no refund of the original shipping charge. Additional Questions If you have any questions please feel free to Contact Us. Categories Baby Books Electronics Fashion Games Health & Beauty Home, Garden & Pets Movies Music Sports & Outdoors Toys

  1. Seller sent me the wrong book, but the book they sent sounded interesting enough for me to keep it. I still contacted the seller and communication was fast and professional. They apologized for sending me the wrong book and said I could return it for a refund. I told them that I liked the book they sent me and wanted to keep it. They were happy. Told them thank you and happy new year. People make mistakes, but the fact that this seller was quick and professional and apologized made a difference.

    Prototype074

  2. The basket is perfectly what I ordered and as listed. It came in the factory packaging and was perfect upon delivery. Thank you postal service lol. The delivery took way longer than listed though, it was listed to come in a week from purchase, but took a whole month. I had some concerns at first, but communication with the company was top notch and they were very professional and answered most of my questions satisfyingly. Just prepare for a longer wait than listed, but I got what I bought lol.

    coalmineedbb

  3. The two new out-of-print books I ordered were exactly as described and shipped promptly. I did ask the seller's support person (an AI chatbot, I think) to be sure to package the items carefully, and "he" said that he'd make that request of the shipping department. I knew this was hooey, and as I expected, the books were shipped in nothing but a padded paper mailer, no other protection. I got lucky, no damage, but don't bother making special requests of this seller.

    Olivier Marguillard

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