Browsing Medical Bioscience by Author "Henkel, Ralf"
Now showing items 61-63 of 63
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Sperm morphology assessment in the era of intracytoplasmic sperm injection: Reliable results require focus on standardization, quality control, and training
Agarwal, Ashok; Sharma, Rakesh; Henkel, Ralf (Korean Society for Sexual Medicine and Andrology, 2021)Semen analysis is the first, and frequently, the only step in the evaluation of male fertility. Although the laboratory procedures are conducted according to the World Health Organization (WHO) guidelines, semen analysis ... -
Total antioxidant capacity—Relevance, methods and clinical implications
Gupta, Sajal; Finelli, Renata; Henkel, Ralf (Blackwell Publishing Ltd, 2020)Oxidative stress is pre‐empted by an adequate level of antioxidants, which scavenge oxidants when they are produced in excess by different sources, including leukocytes and immature spermatozoa. Enzymatic antioxidants, ... -
Tunel assay: establishing a sperm dna fragmentation cut-off value for Egyptian infertile men
Henkel, Ralf (Wiley Online Library, 2019)Male factor infertility is responsible for half of all infertility cases. Conventional semen analysis is inadequate to evaluate male fertility. Sperm DNA fragmentation (SDF) test can be done by: direct methods such as ...