Sökning: "gradient wash"

Hittade 2 uppsatser innehållade orden gradient wash.

  1. 1. Comparison between two different freezing solutions toevaluate the sperm survival after vapor freezing andsperm preparation.

    Kandidat-uppsats,

    Författare :Daniela Ordonez; [2016]
    Nyckelord :Semen preservation; human sperm; gradient wash; cryopreservation; in vitro fertilization;

    Sammanfattning : Cryopreservation is used to freeze and store donor’s sperm, from men who are going throughcertain medical treatments such as chemotherapy or radiotherapy and from men withazoopermia or severe oligozoospermia. Stored sperm samples are used in artificialreproductive technologies. LÄS MER

  2. 2. Comparison between different freezing and thawing methods for human spermatozoa

    Kandidat-uppsats, Uppsala universitet/Institutionen för medicinsk biokemi och mikrobiologi

    Författare :Sandra Castillo; [2011]
    Nyckelord :cryopreservation; sperm; ice crystallization; gradient wash; ampoule;

    Sammanfattning : Preservation of cells and tissues by freezing at temperatures below 70°C has led to new possibilities for the storage of germ cells for fertility preservation. During the freezing process problems might occur, the greatest being ice crystallization which can cause membrane destruction and thus cell death. LÄS MER