Now showing items 3105-3124 of 51544

    • B Cells Promote Pancreatic Tumorigenesis 

      Roghanian, Ali; Fraser, Christopher; Kleyman, Marianna; Chen, Jianzhu (American Association for Cancer Research (AACR), 2016-03)
      Summary: Three recent studies, approaching the question from different angles and using different and/or overlapping models, provide compelling evidence for the involvement of tumor-infiltrating B cells in the initiation ...
    • B flavour tagging using charm decays at the LHCb experiment 

      The LHCb Collaboration; Ilten, Philip J; Williams, Michael (IOP Publishing, 2015-10-05)
      © CERN 2015. An algorithm is described for tagging the flavour content at production of neutral B mesons in the LHCb experiment. The algorithm exploits the correlation of the flavour of a B meson with the charge of a ...
    • B flavour tagging using charm decays at the LHCb experiment 

      Unknown author (IOP Publishing, 2015-10-05)
      © CERN 2015. An algorithm is described for tagging the flavour content at production of neutral B mesons in the LHCb experiment. The algorithm exploits the correlation of the flavour of a B meson with the charge of a ...
    • B meson decays to charmless meson pairs containing η or η' mesons 

      Cowan, Ray F; Dujmic, Denis; Fisher, Peter H; Henderson, Shawn Wesley; Sciolla, Gabriella; e.a. (American Physical Society (APS), 2009-12)
      We present updated measurements of the branching fractions for B[superscript 0] meson decays to ηK[superscript 0], ηη, ηφ, ηω, η′K[superscript 0], η′η′, η′φ, and η′ω, and branching fractions and CP-violating charge asymmetries ...
    • B-meson decays to eta′rho, eta′f0, and eta′K* 

      Fisher, Peter H.; Cowan, Ray Franklin; Dujmic, Denis; Sciolla, Gabriella; Zhao, M. (American Physical Society, 2010-07)
      We present measurements of B-meson decays to the final states eta′rho, eta′f0, and eta′K*, where K* stands for a vector, scalar, or tensor strange meson. We observe a significant signal or evidence for eta′rho+ and all the ...
    • A B12-dependent radical SAM enzyme involved in oxetanocin A biosynthesis 

      Zhong, Aoshu; Sun, He G.; Liu, Hung-wen; Rabb, Jennifer; Drennan, Catherine L. (Springer Nature, 2017-04)
      Oxetanocin A (OXT-A) is a potent antitumour, antiviral and antibacterial compound. Biosynthesis of OXT-A has been linked to a plasmid-borne Bacillus megaterium gene cluster that contains four genes: oxsA, oxsB, oxrA and ...
    • B2: Bridging code and interactive visualization in computational notebooks 

      Wu, Y; Hellerstein, JM; Satyanarayan, A (ACM, 2020)
      © 2020 Owner/Author. Data scientists have embraced computational notebooks to author analysis code and accompanying visualizations within a single document. Currently, although these media may be interleaved, they remain ...
    • B2B relationship calculus: quantifying resource effects in service-dominant logic 

      deLeon, Anthony J.; Chatterjee, Sharmila C.; deLeon, Anthony (Springer Nature, 2015-12)
      Increasingly, knowledgeable business-to-business (B2B) customers and evolving customer needs are leading to seismic shifts in vendor–client interactions. Across industries, sellers are changing their business models from ...
    • B7-H5 costimulates human T cells via CD28H 

      Zhu, Yuwen; Yao, Sheng; Iliopoulou, Bettina P.; Han, Xue; Augustine, Mathew M.; e.a. (Nature Publishing Group, 2013-06)
      The B7/CD28 family has profound modulatory effects in immune responses and constitutes an important target for the development of novel therapeutic drugs against human diseases. Here we describe a new CD28 homologue (CD28H) ...
    • B[superscript 0] meson decays to ρ[superscript 0]K[superscript *0], f[subscript 0]K[superscript *0], and ρ[superscript -]K[superscript *+], including higher K[superscript *] resonances 

      Cowan, Ray Franklin; Dujmic, Denis; Sciolla, Gabriella (American Physical Society, 2012-04)
      We present branching fraction measurements for the decays B[superscript 0]→ρ[superscript 0]K[superscript *0], B[superscript 0]→f[subscript 0]K[superscript *0], and B[superscript 0]→ρ[superscript -]K[superscript *+], where ...
    • The BaBar detector: Upgrades, operation and performance 

      Cowan, Ray F; Dujmic, Denis; Fisher, Peter H; Henderson, Shawn Wesley; Koeneke, Karsten; e.a. (Elsevier BV, 2013-06)
      The BaBar detector operated successfully at the PEP-II asymmetric e⁺e⁻ collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the ...
    • Babel Storage: Uncoordinated Content Delivery from Multiple Coded Storage Systems 

      Neu, Joachim; Medard, Muriel (Institute of Electrical and Electronics Engineers (IEEE), 2020-02)
      In future content-centric networks, content is identified independently of its location. From an end-user's perspective, individual storage systems dissolve into a seemingly omnipresent structureless 'storage fog'. Content ...
    • BACE-1 inhibition facilitates the transition from homeostatic microglia to DAM-1 

      Singh, Neeraj; Benoit, Marc R; Zhou, John; Das, Brati; Davila-Velderrain, Jose; e.a. (American Association for the Advancement of Science (AAAS), 2022-06-17)
      <jats:p> BACE-1 is required for generating β-amyloid (Aβ) peptides in Alzheimer’s disease (AD). Here, we report that microglial BACE-1 regulates the transition of homeostatic to stage 1 disease-associated ...
    • Bacillus subtilis Class Ib Ribonucleotide Reductase Is a Dimanganese(III)-Tyrosyl Radical Enzyme 

      Zhang, Yan; Stubbe, JoAnne (American Chemical Society (ACS), 2011-05)
      Bacillus subtilis class Ib ribonucleotide reductase (RNR) catalyzes the conversion of nucleotides to deoxynucleotides, providing the building blocks for DNA replication and repair. It is composed of two proteins: α (NrdE) ...
    • Bacillus Subtilis Class Ib Ribonucleotide Reductase: High Activity and Dynamic Subunit Interactions 

      Zhu, Xuling; Stubbe, JoAnne; Parker, Mackenzie James (American Chemical Society (ACS), 2014-01)
      The class Ib ribonucleotide reductase (RNR) isolated from Bacillus subtilis was recently purified as a 1:1 ratio of NrdE (α) and NrdF (β) subunits and determined to have a dimanganic-tyrosyl radical (Mn[superscript ...
    • The Bacillus subtilis conjugative transposon ICEBs1 mobilizes plasmids lacking dedicated mobilization functions 

      Lee, Catherine Ann; Thomas, Jacob; Grossman, Alan Davis (American Society for Microbiology, 2012-04)
      Integrative and conjugative elements (ICEs, also known as conjugative transposons) are mobile elements that are found integrated in a host genome and can excise and transfer to recipient cells via conjugation. ICEs and ...
    • Bacillus Subtilis SMC Complexes Juxtapose Chromosome Arms as They Travel from Origin to Terminus 

      Wang, Xindan; Brandão, Hugo B.; Rudner, David Z.; Le, Tung; Laub, Michael T (American Association for the Advancement of Science (AAAS), 2017-02)
      Structural maintenance of chromosomes (SMC) complexes play critical roles in chromosome dynamics in virtually all organisms, but how they function remains poorly understood. In the bacterium Bacillus subtilis, SMC-condensin ...
    • Back pressure effect on three-way catalyst light-off 

      Baron, Jan H.; Cheng, Wai K. (Professional Engineering Pub., 2018-06-01)
      The effect of back pressure on the light-off of a modern spark ignition engine 3-way catalyst has been assessed by measuring The effect of back pressure on the light-off of a modern spark ignition engine 3-way catalyst ...
    • Back Story: Migration, Assimilation and Invasion in the Nineteenth Century [book chapter] 

      Ritvo, Harriet (2014)
      Research from a humanist perspective has much to offer in interrogating the social and cultural ramifications of invasion ecologies. The impossibility of securing national boundaries against accidental transfer and the ...
    • Back-to-Basics tutorial: X-ray diffraction of thin films 

      Harrington, George F.; Santiso, José (Springer US, 2021-10-13)
      Abstract X-ray diffraction (XRD) is an indispensable tool for characterising thin films of electroceramic materials. For the beginner, however, it can be a daunting technique at first due to the number of ...