Essays about: "cellen"

Showing result 1 - 5 of 91 essays containing the word cellen.

  1. 1. Effekterna av vitamin D-metaboliter på tunikamycin-inducerad ER-stress i PC3- och NSC34-celler

    University essay from Uppsala universitet/Institutionen för farmaceutisk biovetenskap

    Author : Ida Malo; [2023]
    Keywords : ;

    Abstract : Bakgrund: Vitamin D är ett steroidvitamin och tillförs oss från vissa livsmedel eller syntetiseras när vår hud utsätts för solen. Inuti cellerna fungerar det som en transkriptionsfaktor för en grupp gener. READ MORE

  2. 2. An Overview Of The Antibiotic Resistance Mechanisms Of Common Gram Positive And Gram Negative Multidrug Resistant Bacteria

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Elisabeth Tammi; [2023]
    Keywords : Antibiotic resistance mechanism; gram negative bacteria; gram positive bacteria;

    Abstract : Antibiotic resistance in multidrug resistant bacteria cause high mortality rates worldwide, where there has been over 1,000,000 deaths reported as of the year 2019. Antibiotics were thought to be the cure for fighting infectious diseases and preventing further spreading of infection. READ MORE

  3. 3. Design of a test rig for in situ hydrogen charging of rolling element bearings under load

    University essay from Luleå tekniska universitet/Maskinelement

    Author : Oskar Moström; [2023]
    Keywords : tribology; hydrogen embrittlement; mechanical engineering; rolling element bearing; machine elements; design; mechanical design; CAD; mechanical construction; construction; material science; Tribologie; Wasserstoffversprödung; Maschinenbau; Wälzlager; Maschinenelemente; Design; Maschinenkonstruktion; CAD; mechanischer Bau; Konstruktion; Materialwissenschaft; tribologi; väteförsprödning; maskinteknik; rullningselementlager; maskinelement; design; mekanisk design; CAD; mekanisk konstruktion; konstruktion; materialvetenskap; lager;

    Abstract : This Master's thesis is part of the Hydrogen Embrittlement in Rolling element bearings project (HERo) initiated at Luleå University of Technology (LTU), with the primary objective of determining critical hydrogen concentrations in bearing steel for rolling element bearings. The specific aim of this Master's thesis is to design a test rig that enables the investigation of the effects of hydrogen embrittlement on rolling element bearings under load. READ MORE

  4. 4. Numerical modeling of airflow on the cathode-side of a bipolar flow plate : How the formed geometry affects the pressure drop and flow distribution in a hydrogen fuel cell

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Olivia Johansson; [2023]
    Keywords : Performance; Cross-sectional geometry; Computational fluid dynamics;

    Abstract : Climate change and rising temperatures is a well-known problem. To tackle global warming a transition from fossil fuels to renewable and reliable energy sources is necessary. Hydrogen, in fuel cells, is proposed to replace diesel and gasoline in the transport sector. READ MORE

  5. 5. Autophagy and senescence in primary human bronchial epithelial cells in the context of COPD

    University essay from Lunds universitet/Examensarbeten i molekylärbiologi

    Author : Annie Vegraeus; [2023]
    Keywords : Biology and Life Sciences;

    Abstract : Chronic obstructive pulmonary disease (COPD) is the third largest cause of death worldwide, with its most prominent risk factor being inhalation of smoke and pollutants. In this project, we studied two processes that are involved in COPD: autophagy and cellular senescence. READ MORE