Essays about: "ultraviolet protection"

Found 3 essays containing the words ultraviolet protection.

  1. 1. Development and Evaluation of an Enzyme-Based Sunscreen

    University essay from Lunds universitet/Bioteknik; Lunds universitet/Bioteknik (master)

    Author : Karolina Eriksson Torfgård; [2023]
    Keywords : Enzyme activity; UV-filter; Protease; Biotechnology; Technology and Engineering;

    Abstract : Ultraviolet radiation (UVR), specifically of UVA and UVB, has been associated with the development of both photoaging and photo-carcinogenesis, potentially leading to cancer. The use of sun protection in the form of UV filters is known to minimize these damages. READ MORE

  3. 2. A study of the stability of vitamin 25[OH]D2 and 25[OH]D3

    University essay from Linnéuniversitetet/Institutionen för kemi och biomedicin (KOB)

    Author : Anna Kellström; [2020]
    Keywords : Vitamin D; 25-hydroxyvitamin D; pre-analytical relevance; HPLC-MS MS; stable; freeze-thaw cycles; light sensitivity; quality assurance;

    Abstract : During the industrialization of the 19th century the negative health effects of vitamin D was discovered as children in the cities developed osteomalacia or more commonly known as rickets caused by vitamin D deficiency. Vitamin D is produced in the skin from 7-dehydrocholesterol during sun-exposure and enhances intestinal phosphor and calcium absorption thus enhancing the bone remodeling process. READ MORE

  4. 3. Improvement of Ultraviolet Protection of Polyester Nonwoven -A Study of Volvos Parcel Shelves

    University essay from Högskolan i Borås/Institutionen Textilhögskolan

    Author : ELIN LUNDIN; MIKAELA HÄGG TURESSON; [2014]
    Keywords : Parcel shelf; ultraviolet radiation; ultraviolet absorbers; ultraviolet absorbers; ultraviolet protection; polyester; nonwoven; disperse dyes.;

    Abstract : The parcel shelf in a car is one of the things that are most exposed to ultraviolet light and heat. The sunlight causes ultraviolet radiation and excessive heat to this area. This can cause the material to degrade, fade or drift in colour. The parcel shelf production is today divided between three producers. READ MORE