Filtry
wszystkich: 51
wybranych: 27
-
Katalog
Filtry wybranego katalogu
Wyniki wyszukiwania dla: sperm
-
The Role of the Natural Antioxidant Mechanism in Sperm Cells
Publikacja -
Ensembling noisy segmentation masks of blurred sperm images
PublikacjaBackground: Sperm tail morphology and motility have been demonstrated to be important factors in determining sperm quality for in vitro fertilization. However, many existing computer-aided sperm analysis systems leave the sperm tail out of the analysis, as detecting a few tail pixels is challenging. Moreover, some publicly available datasets for classifying morphological defects contain images limited only to the sperm head. This...
-
The structure and role of mammalian sperm RNA: a review
Publikacja -
The role of environmental optimization for storing bulls’ sperm cells
Publikacja -
Flow cytometry as an estimation tool for honey bee sperm viability
Publikacja -
Learning sperm cells part segmentation with class-specific data augmentation
PublikacjaInfertility affects around 15% of couples worldwide. Male fertility problems include poor sperm quality and low sperm count. The advanced fertility treatment methods like ICSI are nowadays supported by vision systems to assist embryologists in selecting good quality sperm. Computer-Assisted Semen Analysis (CASA) provides quantitative and qualitative sperm analysis concerning concentration, motility, morphology, vitality, and fragmentation....
-
Increased expression of PELP1 in human sperm is correlated with decreased semen quality
Publikacja -
Antioxidant effect of Elamipretide on bull's sperm cells during freezing/thawing process
Publikacja -
Impact of the Spirulina maxima extract addition to semen extender on bovine sperm quality
Publikacja -
Sperm segmentation and abnormalities detection during the ICSI procedure using machine learning algorithms
Publikacja(1) About 15-20% of couples struggle with the problem of infertility. 30 to 40% of these cases are caused by abnormalities in the structure and motility of sperm. Sometimes the only possibility for such people is to use the procedure of artificial insemination. CASA systems are used to increase the efficiency of this procedure by selecting the appropriate sperm cell. (2) This paper presents an approach to the sperm classification...
-
Sperm Antioxidant Biomarkers and Their Correlation with Clinical Condition and Lifestyle with Regard to Male Reproductive Potential
Publikacja -
The impact of regular sperm donation on bulls’ seminal plasma hormonal profile and phantom response
Publikacja -
Bulky DNA adducts in human sperm: relationship with fertility, semen quality, smoking, and environmental factors
Publikacja -
Human sperm proteins identified by 2-dimensional electrophoresis and mass spectrometry and their relevance to a transcriptomic analysis
Publikacja -
Correlation of Polymorphism of AQP7 Gene with the Sperm Cells Quality Traits of the Polish Holstein Friesian Bulls
Publikacja -
Buserelin Acetate Reduces Mortality and DNA Defragmentation of Bovine Sperm Cells Exposed to Oxidative Stress
Publikacja -
INFLUENCE OF THE DEGREE OF EJACULATE DILUTION ON THE RESULTS OF THE ASSESSMENT OF MOTILITY OF SPERM OF BREEDING BULLS OBTAINED BY TWO METHODS
Publikacja -
A Potential Relationship Between Estrogen Receptors Polymorphisms, Sperm Function and in vitro Fertilization Success: A Preliminary Study*
Publikacja -
Facile synthetic route to selectively protected spermidine homologues
PublikacjaW wyniku opracowanej procedury otrzymano kilka selektywnie chronionych homologów spermidyny. Reakcja cyjanoetylowania monochronionych diamin pozwoliła na otrzymanie nitryli, które przekształcano w amidy pierwszorzędowe. Degradacja Hofmanna amidów doprowadziła do otrzymania finalnych związków.
-
Efficient synthesis of orthogonally protected spermidine and norspermidine derivatives
PublikacjaOtrzymano kilka chronionych pochodnych spermidyny i norspermidyny w wyniku reakcji cyjanoetylowania chronionych diamin, ochrony drugorzędowej grupy aminowej oraz redukcji otrzymanego nitrylu za pomocą wodorku litowo-glinowego w temperaturze 0° C.
-
Effect of addition of buserelin acetate to the extender on motility and viability of bovine spermatozoa
Publikacja -
Expression of estrogen receptors, PELP1, and SRC in human spermatozoa and their associations with semen quality
Publikacja -
Fertility Rate and Assessment of the Cytoprotective Capacity of Various Types of Holothuroidea Extracts on Spermatozoa
Publikacja -
The Concentration of ProAKAP4 and Other Indicators of Cryopotential of Spermatozoa Cryopreserved in Extender with Holothuroidea Extract Addition
Publikacja -
Comparison of the Absolute Level of Epigenetic Marks 5-Methylcytosine, 5-Hydroxymethylcytosine, and 5-Hydroxymethyluracil Between Human Leukocytes and Sperm1
Publikacja -
Detection of the Oocyte Orientation for the ICSI Method Automation
PublikacjaAutomation or even computer assistance of the popular infertility treatment method: ICSI (Intracytoplasmic Sperm Injection) would speed up the whole process and improve the control of the results. This paper introduces a preliminary research for automatic spermatozoon injection into the oocyte cytoplasm. Here, the method for detection a correct orientation of the polar body of the oocyte is presented. Proposed method uses deep...
-
Social Differentiation of the Perception and Human Tissues Donation for Research Purposes.
PublikacjaThe willingness to donate human biological material for research purposes is shaped by socio-cultural factors; however, there is a lack of studies analysing the social perception of different human tissues, which may affect such willingness. This study aimed to distinguish different sociocultural categories of human tissues and types of potential donors based on their willingness to donate material. Quantitative research was...