نتایج جستجو برای: dna fragmentation index dfi
تعداد نتایج: 922525 فیلتر نتایج به سال:
prolonged local consumption of anethum graveolens leaves, as an antihyperlipimic and antihypercholesterolemic agent, has been associated in some patients with skin disorders such as darkening and pigmentation mainly in the exposed areas such as face and hands.anethum graveolens belongs to the umbelliferae family which is belived to be rich in photoactive furocoumarins. an oraganic extract of th...
background: the initial step in the diagnostic investigation of male infertility has been traditionally based on the conventional seminal profile. however, there are significant limitations regarding its ability to determine the underlying mechanisms that cause the disorder. sperm dna fragmentation has emerged as a potential causative factor of reproductive failure and its assessment has been s...
Background Sperm DNA fragmentation is known as an important cause of male infertility. The influence of sperm DNA damage on reproductive potential has been subject of many studies indicating various results and remaining the subject controversial. In this study, we investigated differences of the semen parameters and intracytoplasmic sperm injection (ICSI) outcome according to sperm DNA fragmen...
AIM The aim of this prospective study was to find possible relationship between ROS production measured by chemiluminescence and flow cytometry in human semen and sperm DNA damage estimated by Sperm Chromatin Structure Assay. METHODS Study included 39 men from infertile couples and 23 fertile volunteers who served as a control group. Aliquot of neat semen was used for ROS detection by chemilu...
OBJECTIVE The aim of the present study was to evaluate whether the Dougados Functional Index (DFI) with 5-point Likert scale is sensitive enough to demonstrate the efficacy of intensive physiotherapy and exercise. METHODS Eight-one consecutive patients with spondyloarthropathy (SpA) completed self-administered questionnaires on functional analysis, the Bath Ankylosing Spondylitis Functional I...
background: an effect of cryopreservation on human sperm is sublethal cryodamage, in which cell viability post-thaw is lost more rapidly at later times than in fresh cells. objective: this study examined whether the addition of an antioxidant to cryopreservation medium could improve the post-thaw parameters and evaluation of sperm chromatin quality of cryopreserved human spermatozoa from men w...
A new method was introduced for frothing characterization of flotation frothers. Method uses water recovery to develop a new frothability index named water recovery index (WRI). New index was determined for some commercial frothers and results were compared with dynamic frothability index (DFI). Results showed that water recovery index values follow the order of A-65 13016 s/mol > DF-250 6292.4...
The Sperm Chromatin Structure Assay (SCSA®) is the pioneering sperm DNA fragmentation assay that precisely measures the percent of sperm in a semen sample that have Sperm DNA Damage (SDD), a negative factor for successful pregnancy. The SCSA® is a rapid, dual parameter, computer driven assay with diligent unbiased flow cytometer measurements on five to ten thousand sperm per sample providing ri...
Abstract Study question What is the impact of advanced paternal age (APA) on sperm DNA fragmentation index (DFI)? Summary answer Sperm DFI levels remain relatively stable until 35 and increase progressively beyond that age. known already APA can have a negative male fertility health offspring. Previous studies shown linked to poor conventional parameters, including decreased semen volume, count...
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