Sökning: "reproductive techniques"

Visar resultat 1 - 5 av 21 uppsatser innehållade orden reproductive techniques.

  1. 1. Microfluidic sorting of sperm for assisted reproduction - An evaluation of ZyMōt multi sperm separation device

    Kandidat-uppsats, Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Författare :Emma Olofsson; [2023-06-22]
    Nyckelord :Assisted reproduction technologies Spermatozoa DNA fragmentation Density-gra- dient centrifugation Microfluidics ZyMōt Multi;

    Sammanfattning : Infertility is a worldwide problem and the main reason for the use of assisted reproductive technol- ogy (ART). In-vitro fertilization (IVF) is one ART treatment normally used, where the fertilization of oocytes occurs in vitro. LÄS MER

  3. 2. Ovary spheroid formation and quality assessment using two different protocols

    Master-uppsats, KTH/Proteinvetenskap

    Författare :Nikki Wallius Hiltunen; [2023]
    Nyckelord :ovary; fertility; spheroid; Biosilk™; three-layer gradient system; äggstock; fertilitet; sfäroid; Biosilk™; trelagers gradientsystem;

    Sammanfattning : Redan innan födseln fastställs kvinnors fertilitet, som karakteriseras av ett begränsat antal äggblåsor, så kallade folliklar. Beståndet av folliklar minskar naturligt med åldern, samtidigt som kvinnors fertilitet beror på deras steroid- och äggproduktion. LÄS MER

  4. 3. The Ecological and Anthropogenic Impacts of fishing gear in a tropical system : How the size of Spotted Rose Snapper (Lutjanus guttatus) and the ratio of target catch, is influenced by approved fishing gear within a marine area of responsible fishing in the South-Western Gulf of Nicoya, Costa Rica.

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Författare :Alfred Eriksson; [2023]
    Nyckelord :Overfishing; overexploitation; Spotted Rose Snapper; Lutjanus guttatus; Gulf of Nicoya; Costa Rica; marine protected areas; artisinal fishermen; bycatch; Costa Rican Institute of Fisheries and Aquaculture; incopesca; fishing gear; longlines;

    Sammanfattning : The oceans are essential for humanity, yet these systems continue to be degraded and suffer from pollution, habitat destruction and overexploitation. The Costa Rican Gulf of Nicoya is a productive gulf that is fished by both large-scale industrial fisheries and small-scale artisanal fishermen. LÄS MER

  5. 4. Microvesicles in human reproduction and their role in Assisted Reproductive Techniques

    Kandidat-uppsats, Uppsala universitet/Institutionen för medicinsk cellbiologi

    Författare :Hala Sawas; [2022]
    Nyckelord :In Vitro Fertilization; Venous Thromboembolism; Fetuin B; Ovastacin; Flow Cytometry;

    Sammanfattning : Infertility is a problem that could be treated by using In Vitro Fertilization (IVF). This procedure starts by increasing estrogen levels and then retrieving oocytes. However, studies have showed an increased risk for venous thromboembolism (VTE) and lung embolism that is correlated with the rising levels of estrogen. LÄS MER

  7. 5. The influence of antimicrobial agents on the development of antibiotic resistance in the vaginal bacterial flora of artificially inseminated mares : a study on mares in a stud environment

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Clinical Sciences

    Författare :Elin Wilén; [2021]
    Nyckelord :antibiotics; antimicrobial resistance; bacteriology; breeding; equine reproduction; reproductive techniques; semen extender; stud farm;

    Sammanfattning : In Sweden and in many other countries, artificial insemination (AI) is frequently used in horse breeding. The technology makes it possible to use genetic material from horses in different geographical locations in an effective way, minimizing the risk of infection or even injury to both horses and stud personnel. LÄS MER