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  • 2017
  • Higher risk of recurrence for black women with hormone receptor-positive, HER2-negative breast cancer compared with white women cannot be completely explained by underlying biological factors, University of North Carolina Lineberger Comprehensive Cancer Center researchers reported at the 2017 San Antonio Breast Cancer Symposium on Thursday, Dec. 7. (unclineberger.org)
  • hydraulic
  • The goals of this project are: (1) to develop a laboratory apparatus for visually observing and quantifying the physical, chemical, and biological factors affecting bacterial attachment, growth, and hydraulic conductivity change in porous media, and (2) to make preliminary observations of bacterial growth and attachment as a function of a few variables, including pore shape, Peclet number, growth substrate, and bacterial species. (epa.gov)
  • brain
  • By studying biological factors and finding the relationship between genetics, brain chemistry and anatomy and the development of mental illnesses, doctors and scientists are able not only to better understand the condition but to find more effective interventions. (reference.com)
  • implications
  • Although the biological implications of these data need to be further investigated, we have highlighted the relevance of studies comparing different autoimmune pathologies for the understanding of the core concepts of autoimmunity. (frontiersin.org)
  • roots
  • This study provides a snapshot of the factors that influence root development in cuttings of conifer seedlings, including light quality, temperature, soil, the influence of mycorrhizae (fungi that associate with plant roots to form a complex structure). (gc.ca)
  • examine
  • This study will examine people who regularly sleep for short or long amounts of time to understand the biological factors that determine how much sleep a person needs. (clinicaltrials.gov)
  • We conducted an experiment to examine four such factors in combination: mosquito age, extrinsic incubation temperature (EIT), virus dose, and colony. (ajtmh.org)
  • variability
  • For intertidal limpet shells subject to prying forces, truncation safety factor was found to increase with increased variability in shell strength, thus providing direct support for the theory. (sciencemag.org)
  • Patients
  • In the present study, we sought to investigate mechanisms which may lead to the frequent coexistence of MS and HT by analyzing several factors related to the pathogenesis of MS and HT in patients affected by one or both diseases, as well as in healthy donors. (frontiersin.org)
  • conditions
  • Theory predicts that selection should increase the ratio of the performance of a biological structure or system to the requirements placed upon it (that is, its safety factor) as conditions become increasingly unpredictable. (sciencemag.org)
  • Book
  • Reviews the book , Psychology as a Biological Science by Daniel P . Kimble (see record 1974-04080-000) . (uakron.edu)
  • provide
  • The main purpose of the volume Psychiatry and Biological Factors is to provide a comprehensive, state-of-the-art overview of the current research linked essentially to virus infections, immunity functions, and mental diseases. (springer.com)
  • Although
  • Although conventional safety factors are rarely measurable, an alternative, truncation safety factor (the ratio of mean strength to maximum possible load), can be measured quantitatively for certain load-bearing structures. (sciencemag.org)
  • contribute
  • Yes, there is biological heterogeneity in hormone positive, HER2-receptor negative disease, and yes, that seems to explain part of the gap in recurrence free-survival, but no, it doesn't explain all of it, which sends us down several other investigative paths to see what other factors contribute," Reeder-Hayes said. (unclineberger.org)
  • different
  • There are hundreds of different biological factors influencing the way an individual behaves. (reference.com)
  • and physiological factors, such as irregularities in the function of the hypothalamic-pituitary-adrenal axis, which helps living organisms adapt to different types of stress. (reference.com)
  • good
  • There have been many empirical studies of such biofouling over the last few decades, but a good understanding of factors affecting bacterial growth and aquifer clogging is still not available. (epa.gov)
  • growth
  • The focus of this review is on biological factors, such as inoculations with Agrobacterium rhizogenes, plant-growth promoting rhizobacteria and other endophytes, and mycorrhizal fungi, which were found to stimulate adventitious rooting. (gc.ca)
  • Transforming growth factor-beta and interleukin 10 in oral implant sites in humans. (semanticscholar.org)
  • internal
  • The duration and timing of sleep are regulated by an interaction between the circadian pacemaker, or biological clock, and the sleep homeostat, which is an internal account of the amount of sleep a person has received recently. (clinicaltrials.gov)