Essays about: "Porphyrins"

Found 4 essays containing the word Porphyrins.

  1. 1. Study of the vibronic mixing in chlorophylls with multidimensional spectroscopy

    University essay from Lunds universitet/Kemiska institutionen

    Author : Ignacio Martínez Casasús; [2021]
    Keywords : Two-dimensional spectroscopy; Ultrafast spectroscopy; Chlorophyll a; Chlorophylls; Photosynthesis; Light harvesting; Vibronic mixing; Quantum coherence; Chemical physics; Chemistry;

    Abstract : Chlorophylls comprise one of the most important families of molecules for the photosynthetic process. Chlorophyll-like molecules have been classically interpreted under the Gouterman model, being thought to feature two independent transitions, Qy(S1) and Qx(S2). READ MORE

  3. 2. Light barrier properties of paperboard, packages and plastic caps in packages

    University essay from Lunds universitet/Förpackningslogistik

    Author : Cam-Minh Tu; André Apt; [2013]
    Keywords : Technology and Engineering;

    Abstract : Examensarbetet inleddes den 15:e januari 2013 på Tetra Pak packaging solutions AB i Lund. Mjölk är en produkt, som är särskilt ljuskänslig. För att skydda mjölk från ljus, kan dess förpackning innehålla aluminiumfolie. Det laminerade aluminiumfoliet ger en utmärkt ljusbarriär, men är dyrt och är inte ett förnybart material. READ MORE

  4. 3. Porphyrins based detection of NH3 and CO, using field effect grid gate devices

    University essay from Tillämpad Fysik

    Author : Rafael Sánchez Reátegui; [2010]
    Keywords : ;

    Abstract : Porphyrins consist of twenty-atom rings containing four nitrogen atoms and can be used as sensor to detect odours and gases. This thesis investigates whether or not porphyrins can be used as functional materials on grid gate devices. READ MORE

  5. 4. Porphyrins based detection of NH3 and CO, using field effect grid gate devices

    University essay from Institutionen för fysik, kemi och biologi

    Author : Rafael Sánchez Reátegui; [2010]
    Keywords : Porphyrins; Grid Gate; Metal Oxide Semicondutctor; Scanning Light Pulse Technique; Response Map.;

    Abstract : Porphyrins consist of twenty-atom rings containing four nitrogen atoms and can be used as sensor to detect odours and gases. This thesis investigates whether or not porphyrins can be used as functional materials on grid gate devices. READ MORE