Results 31 to 40 of about 91,237 (271)
Comprehensive constraints on heavy sterile neutrinos from core-collapse supernovae [PDF]
, 2023 Sterile neutrinos with masses up to $\mathcal{O} (100)$ MeV can be copiously produced in a supernova (SN) core, through the mixing with active neutrinos. In this regard the SN 1987A detection of neutrino events has been used to put constraints on active-sterile neutrino mixing, exploiting the well-known SN cooling argument. We refine the calculation of
arxiv +1 more source
Neutrino Oscillations With Two Sterile Neutrinos [PDF]
, 2016 This work estimates the probability of $\mu$ to $e$ neutrino oscillation with two sterile neutrinos using a 5x5 U-matrix, an extension of the previous estimate with one sterile neutrino and a 4x4 U-matrix. The sterile neutrino-active neutrino mass differences and the mixing angles of the two sterile neutrinos with the three active neutrinos are taken ...
arxiv +1 more source
Signatures of heavy sterile neutrinos at long baseline experiments [PDF]
Phys.Rev.D76:113001,2007, 2007 Sterile neutrinos with masses $\sim 0.1$ eV or higher would play an important role in astrophysics and cosmology. We explore possible signatures of such sterile neutrinos at long baseline experiments. We determine the neutrino conversion probabilities analytically in a 4-neutrino framework, including matter effects, treating the sterile mixing angles $\
arxiv +1 more source
HPV Infection Affects Human Sperm Functionality by Inhibition of Aquaporin-8
Cells, 2020 Human sperm cells express different aquaporins (AQPs), AQP3, 7, 8, 11, which are localized both in the plasma membrane and in intracellular structures. Besides cell volume regulation and end stage of cytoplasm removal during sperm maturation, the role of
Giorgia Pellavio +9 more
doaj +1 more source
Clinical and structural changes in reproductive organs and endocrine glands of sterile cows [PDF]
Veterinary World, 2020 Aim: The study aimed to determine both macroscopic and microscopic changes in the reproductive organs of sterile cows. Materials and Methods: Careful clinical and gynecological examinations (using histological and histochemical methods) of organs of ...
Evgeny Skovorodin +4 more
doaj +1 more source
Sterile neutrino production in models with low reheating temperatures [PDF]
JHEP 0706:002,2007, 2007 By numerically solving the appropriate Boltzmann equations, we study the production of sterile neutrinos in models with low reheating temperatures. We take into account the production in oscillations as well as in direct decays and compute the sterile neutrino primordial spectrum, the effective number of neutrino species, and the sterile neutrino ...
arxiv +1 more source
Light Sterile Neutrinos: Models and Phenomenology [PDF]
JHEP 1107:091,2011, 2011 Motivated by recent hints in particle physics and cosmology, we study the realization of eV-scale sterile neutrinos within both the seesaw mechanism and flavor symmetry theories. We show that light sterile neutrinos can rather easily be accommodated in the popular A_4 flavor symmetry models.
arxiv +1 more source
New Microbes and New Infections, EarlyView., 2014 Abstract We describe a case of fungal keratitis due to Beauveria bassiana in a farmer with Fuchs' dystrophy, treated with amphotericin B. Surgery with penetrating keratoplasty was necessary to resolve the lesions. Susceptibility testing and molecular sequencing permitted the identification and treatment of this rare aetiological agent of invasive ...
M. Ligozzi +8 more
wiley +1 more source
Plant Varieties Studying and Protection, 2016 Purpose. To develop a conceptually new method for determination of varietal purity (typicality), hybridity, sterility of seed lots. Methods of molecular biology (genomic DNA extraction, PCR with SSR markers application, capillary electrophoresis ...
Ж. В. Вдовиченко +3 more
doaj +1 more source
FEBS Letters, EarlyView.Low‐density lipoprotein receptor‐related protein 6 (LRP6) is a key receptor for the Wnt antagonist Dickkopf1 (DKK1). DKK1 protein expression is induced in a bleomycin (BLM)‐induced lung injury model. We show that DKK1 induces proinflammatory and profibrotic genes in lung fibroblasts.
Eun‐Ah Sung +6 more
wiley +1 more source