Results 61 to 70 of about 69,850 (299)
Decline in human sperm counts during the past 50 years? [PDF]
, 2005 There is widespread concern that environmental pollutants acting as xenoestrogens may affect human fertility adversely. Whether this has already made an impact on human fertility worldwide remains debatable at the present stage.
Souza, Urban JAD +2 more
core
Spectral gaps, additive energy, and a fractal uncertainty principle [PDF]
, 2016 We obtain an essential spectral gap for n-dimensional convex co-compact hyperbolic manifolds with the dimension δ of the limit set close to n-1/ 2. The size of the gap is expressed using the additive energy of stereographic projections of the limit set ...
Zahl, Joshua, Dyatlov, Semen
core +1 more source
Comparison of Spermatozoa Quality in Male Smokers and Nonsmokers of Iranian Infertile Couples [PDF]
International Journal of Fertility and Sterility, 2011 Background Smoking has a negative effect on fertility and sperm quality. This study was designed to evaluate the effects of smoking on sperm quality and the related parameters such as sperm concentration, morphology and motility.
Mahshid Aryanpur +6 more
doaj
Anogenital distance in males attending assisted reproduction center
Journal of the Scientific Society, 2018 Introduction: Anogenital distance (AGD) is a marker for endocrine disruption in animal studies in which decreased distance has been associated with testicular dysfunction.
R B Nerli +4 more
doaj +1 more source
FEBS Letters, EarlyView.An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley +1 more source
Assessment of semen parameters after microsurgical varicocelectomy in men from infertile couples
Вестник урологии, 2023 Introduction. Varicocele is one of the frequently identified and corrected causes of male subfertility. However, varicocele correction results in improved sperm quality only in 60 – 70% of subfertile men.
F. A. Akilov +8 more
doaj +1 more source
Molecular Oncology, EarlyView.Targeted therapy was evaluated in SHH medulloblastoma using neuroepithelial stem cell (NES) and tumor‐derived NES‐like (tNES) models in 2D monolayers and 3D spheroids. PI3K, AKT, and CDK4/6 inhibitors had minimal effects in NES but markedly reduced viability and growth and induced apoptosis in tNES cells, revealing distinct therapeutic vulnerabilities.
Monika Lukoseviciute +4 more
wiley +1 more source
, 2019 Purpose:The purpose of this paper is to explain the extent and content of the sustainability disclosure of public and foundation (private but not-for-profit) universities in Turkey.Design/methodology/approach: Subsequent to a systematic literature review
Lambrechts, Wim +2 more
core +1 more source
Molecular Oncology, EarlyView.RNA profiling of circulating extracellular vesicles (EVs) from blood samples of men undergoing prostate biopsy identifies transcripts associated with clinically significant prostate cancer. Integrative analysis with public tumor datasets links EV‐derived gene signatures to tumor stage and progression‐free survival, highlighting CASP3, XRCC2, and RIT1 ...
Stefan Werner +14 more
wiley +1 more source
Asymptotics of Linear Waves and Resonances with Applications to Black Holes [PDF]
, 2016 We describe asymptotic behavior of linear waves on Kerr(–de Sitter) black holes and more general Lorentzian manifolds, providing a quantitative analysis of the ringdown phenomenon.
Dyatlov, Semen
core +1 more source