نتایج جستجو برای: freezing and thawing test
تعداد نتایج: 16905427 فیلتر نتایج به سال:
Cryopreservation of few spermatozoa is still a major challenge for male fertility preservation. This study reports use a new micro-straw (LSL straw) for freezing few spermatozoa for intracytoplasmic sperm injection (ICSI). Semen samples from 22 fertile donors were collected, and each semen sample was diluted and mixed with cryoprotectant in a ratio of 1:1, and then frozen using three different ...
Effect of Different Levels 2, 4 Dinitrophenol and Luteolin on Semen Quality Rooster during Freezing-Thawing Process
This paper presents the results of an experimental study freezing and thawing patterns highways in Kazakhstan. Special sensors measure temperature moisture change every hour automatic mode. The purpose this work is to develop a methodology for determining depth subgrade soils roads Kazakhstan, task establish pattern cold (temperature “0 °C”) through certain points (sensors) at any time. In uppe...
Results are presented of the effect of freezing followed by thawing (air and water immersion, both at environmental temperature) and cooking (traditional boiling in a covered pot) on quality profile (in terms of objective texture, colour, chlorophylls and pheophytins and sensory attributes) and structure of green beans (cv. Win). Freezing was carried out at three different rates by forced conve...
BACKGROUND AND OBJECTIVES Uncontrolled-rate freezing (URF) techniques, which are fast and easy, could represent an attractive alternative to controlled-rate cryopreservation procedures which are time consuming and require high-level technical abilities. It was the aim of the present study to evaluate, on a routine basis, whether URF might spare primitive hematopoietic progenitors and maintain e...
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