Essays about: "blått ljus"

Showing result 1 - 5 of 17 essays containing the words blått ljus.

  1. 1. Color Emotions without Blue Light : Effect of a Blue Light Filter on the Emotional Perception of Colors

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Maximilian Leefer van Leeuwen; [2023]
    Keywords : Emotional Response; Blue Light; Blue Light Filter; Color Constancy; Color Perception; Color Emotion;

    Abstract : Blue light filters have become commonplace in modern technology. While there has been a substantial amount of research into their effects on sleep, there has been little into the effect on the media perceived through them. READ MORE

  3. 2. Graphene Quantum Dots as Fluorescent and Passivation Agents for Multimodal Bioimaging

    University essay from KTH/Tillämpad fysik

    Author : Nüzhet Inci Kilic; [2021]
    Keywords : graphene quantum dots; hybrid nanoparticles; x-ray fluorescence contrast agents; multimodal bioimaging; grafen-kvantprickar; hybrida nanopartiklarna; multimodal bioavbildning; röntgenfluorescens kontrastmedel;

    Abstract : Zero-dimensional graphene (carbon) quantum dots have been drawing attention in bio-related applications since their discovery, especially for their optical properties, chemical stability, and easily modifiable surface.  This thesis focuses on the green synthesis of nitrogen-doped graphene quantum dots (GQDs) for dual-mode bioimaging with X-ray fluorescence (XRF) and optical fluorescence. READ MORE

  4. 3. Raman spectroscopy in neurosurgery

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Saga Bergqvist; [2020]
    Keywords : Raman spectroscopy; brain tumor; diagnosis;

    Abstract : Brain tumors or brain cancer is a disease than affects people of all ages. The median age of a person living with a brain tumor is 60 years, it is however a disease that affects children and young adults in high grade. READ MORE

  5. 4. Thermal induced yellowing of peroxide bleached birch pulp

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Alexander Nygren; [2020]
    Keywords : Accelerated ageing; Bleaching; Brightness reversion; Kraft pulp; pH; Yellowing;

    Abstract : Brightness reversion, also known as yellowing, is a well-known phenomenon which means that the brightness of paper products decreases during ageing. The name of this phenomenon is based on that paper products usually change in color towards yellow during ageing. READ MORE

  6. 5. LED belysning till mjölkkor : jämförelse av olika våglängder

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Jessika Berglund; [2020]
    Keywords : våglängd; mjölkkor; LED; foderintag; mjölkmängd; IGF-1; melatonin; aktivitet;

    Abstract : Syftet med detta examensarbete var att undersöka om mjölkmängd, foderintag, me-latonin, IGF-1 (Insulin-like growth factor 1) eller aktivitet kan påverkas hos mjölkkor som exponeras för olika våglängder på ljus. Fyra olika ljusbehandlingar jämfördes med varandra vid baslinjen och vid LED. READ MORE