Essays about: "D2"

Showing result 16 - 20 of 40 essays containing the word D2.

1. 16. Quality assurance of a radiotherapy registry

   University essay from Umeå universitet/Institutionen för fysik

   Author : Linnea Sandberg; [2020]
   Keywords : Radiotherapy; Treatment Planning System; Quality Assurance; Information Network for Cancer Care; INCA;

   Abstract : The radiotherapy clinics in Sweden have been without a functioning national platform consisting of dose data from patients undergoing radiotherapy. A national collaboration between clinics will improve the quality of radiotherapy since clinics will be able to compare dose data from treatment plans between clinics. READ MORE

3. 17. 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. 18. Fluid inclusions and geochemistry of the Peña del Seo W-deposit, northwest Spain : Controlling mechanisms for tungsten deposition

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Sara Bergström; [2020]
   Keywords : Greisen-system; fluid inclusion; tungsten; granite; northwestern Spain;

   Abstract : The Peña del Seo tungsten deposit in northwestern Spain is situated in the tin (Sn)-tungsten (W) metallogenic province of Europe − one of the richest tin-tungsten (tantalum-lithium) mineral provinces in the world. The European Union’s current goal is to become self-sufficient of these commodities in the near future and the iTARG3T project was launched in order to improve the understanding and provide innovative exploration methods of these types of deposits. READ MORE

5. 19. Oligonucleotide analysis with 2D-LC-MS using mixed mode column

   University essay from Uppsala universitet/Analytisk farmaceutisk kemi

   Author : Esther Goldberg; [2019]
   Keywords : mass spectrometry; 2D-LC-MS; mixed mode column; oligonuecleotide;

   Abstract : In this project method development for analysis and characterization of an oligonucleotide sample containing two major impurities was done. For this purpose UPLC was used with a RP-WAX mixed mode column with UV and/or MS detection. READ MORE

6. 20. Structural controls on the shear zone hosted, IOCG-style Kiskamavaara Cu-Co-Au mineralization

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Nicolai Metzger; [2019]
   Keywords : ;

   Abstract : Sweden is the largest producer of iron ore in the European Union, as well as amongst the top producers for base and precious metals. Much of its mineral wealth derives from northern Norrbotten, type locality of the Kiruna-type-magnetite-apatite ores. READ MORE