Results 81 to 90 of about 736,167 (323)

Hybrid male sterility and genome-wide misexpression of male reproductive proteases [PDF]

Scientific Reports, 2015
AbstractHybrid male sterility is a common barrier to gene flow between species. Previous studies have posited a link between misregulation of spermatogenesis genes in interspecies hybrids and sterility. However, in the absence of fully fertile control hybrids, it is impossible to differentiate between misregulation associated with sterility vs.
Alberto Civetta, Suzanne Gomes
openaire   +3 more sources

Novel Biologically Active Glass Fiber Functionalized Using Magnesium Phosphate Cement Promotes Bone and Vascular Regeneration

Advanced Biology, EarlyView.
In this study, a new type of bioactive glass fiber ‐based composite magnesium phosphate bone cement is prepared and verified that its mechanical strength and biological properties. In addition, the cement may have played a biologically active role in the Notch and HIF signaling pathways.
Yuzheng Lu, Yanbo Shan, Yingjie Xiong, Jianting Ye, Yanbin Wu, Jipeng Song, Yao Zhang, Wancheng Lin, Haoye Meng, Wenjing Xu, Jiang Peng, Qiang Lu, Lixiang Ding   +12 more
wiley   +1 more source

Profile of Female Sterilization in Brazil

Social Sciences, 2019
(1) Background: This study analyzes the profile of female sterilization in Brazil by age, parity, type of delivery, place of delivery, color/race, region of residence, years of schooling, marital status, number of unions, and desired number of children ...
Ernesto F. L. Amaral
doaj   +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

Microstructure, Mechanical Properties, and Antibacterial Performance of Novel Fe‐Mn‐Zn Nanocrystalline Alloys Produced by Mechanical Alloying

Advanced Engineering Materials, EarlyView.
This article presents the development of Fe‐Mn‐Zn nanocrystalline alloys (0–9 wt% Zn) by mechanical alloying and subsequently hot pressing. Their microstructure, density, hardness, wear resistance, corrosion behavior, and antibacterial properties are systematically examined.
Ilker Emin Dag, Funda Kilic, Mrutyunjay Panigrahi, Baris Avar   +3 more
wiley   +1 more source

« Pourquoi vous être mariée si vous ne voulez pas d’enfants ? » Le travail contraceptif au Gujarat, Inde

Enfances, Familles, Générations, 2021
Research Framework: The Indian Constitution guarantees the right to reproductive autonomy, including the right to access contraception. However, women continue to face significant barriers to reproductive autonomy and female sterilization remains the ...
Lucia Gentile
doaj  

Scalable Manufacturing of Radiation‐Tolerant Potentiometric Electrodes: A Systematic Transition from Laboratory to Semiautomated Fabrication

Advanced Engineering Materials, EarlyView.
Laboratory protocols for producing thin‐film pH electrodes for sterilized single‐use technologies have been successfully developed into a semiautomated workflow, with higher throughput and precision of membrane thickness. Accuracies are within 0.05 pH units versus ground truth, and uncertainty analysis reveals the largest sources of error to be derived
Bingyuan Zhao, Aiganym Yermembetova, Benson Kunhung Tsai, Jialong Huang, Alexander Wei   +4 more
wiley   +1 more source

Eugenics, sterilization, and historical memory in the United States

História, Ciências, Saúde: Manguinhos
From the 1920s to the 1950s, California sterilized approximately 20,000 people in state homes and hospitals based on a eugenic law that authorized medical superintendents to perform reproductive surgeries on patients deemed unfit and “suffering from a ...
Alexandra Minna Stern
doaj   +1 more source

Postoperative pain and short-term complications after two elective sterilization techniques: ovariohysterectomy or ovariectomy in cats

BMC Veterinary Research, 2018
Background Surgical sterilization of cats is one of the most commonly performed procedures in veterinary practice and it can be accomplished by two different techniques: ovariohysterectomy (OVH) or ovariectomy (OVE).
Marco Aurélio A. Pereira, Lucas A. Gonçalves, Marina C. Evangelista, Rosana S. Thurler, Karina D. Campos, Maira R. Formenton, Geni C. F. Patricio, Julia M. Matera, Aline M. Ambrósio, Denise T. Fantoni   +9 more
doaj   +1 more source

The evolution of queen control over worker reproduction in the social Hymenoptera [PDF]

arXiv, 2017
A trademark of eusocial insect species is reproductive division of labor, in which workers forego their own reproduction while the queen produces almost all offspring. The presence of the queen is key for maintaining social harmony, but the specific role of the queen in the evolution of eusociality remains unclear.
arxiv