Now showing items 76-95 of 352

    • Delivery of nanoparticles to brain metastases of breast cancer using a cellular Trojan horse 

      Choi, Mi-Ran; Bardhan, Rizia; Stanton-Maxey, Katie J.; Badve, Sunil; Nakshatri, Harikrishna; Stantz, Keith M.; Cao, Ning; Halas, Naomi J.; Clare, Susan E. (2012)
      As systemic cancer therapies improve and are able to control metastatic disease outside the central nervous system, the brain is increasingly the first site of relapse. The blood-brain barrier (BBB) represents a major ...
    • Density matrix embedding from broken symmetry lattice mean fields 

      Bulik, Ireneusz W.; Scuseria, Gustavo E.; Dukelsky, Jorge (2014)
      Several variants of the recently proposed density matrix embedding theory (DMET) [G. Knizia and G. K-L. Chan, Phys. Rev. Lett. 109, 186404 (2012)] are formulated and tested. We show that spin symmetry breaking of the lattice ...
    • Detecting the Biopolymer Behavior of Graphene Nanoribbons in Aqueous Solution 

      Wijeratne, Sithara S.; Penev, Evgeni S.; Lu, Wei; Li, Jingqiang; Duque, Amanda L.; Yakobson, Boris I.; Tour, James M.; Kiang, Ching-Hwa (2016)
      Graphene nanoribbons (GNR), can be prepared in bulk quantities for large-area applications by reducing the product from the lengthwise oxidative unzipping of multiwalled carbon nanotubes (MWNT). Recently, the biomaterials ...
    • Development of morphogen gradient: The role of dimension and discreteness 

      Teimouri, Hamid; Kolomeisky, Anatoly B. (2014)
      The fundamental processes of biological development are governed by multiple signaling molecules that create non-uniform concentration profiles known as morphogen gradients. It is widely believed that the establishment of ...
    • Development of Morphogen Gradients with Spatially Varying Degradation Rates 

      Teimouri, Hamid; Bozorgui, Behnaz; Kolomeisky, Anatoly B. (2016)
      Successful biological development via spatial and temporal regulations of cell differentiation relies on the action of multiple signaling molecules that are known as morphogens. It is now well established that biological ...
    • Diatoms at >5000 Meters in the Quelccaya Summit Dome Glacier, Peru 

      Fritz, Sherilyn C.; Brinson, Bruce E.; Billups, W.E.; Thompson, Lonnie G. (2015)
      Diatoms were found in late Holocene age ice-core samples recovered from the Quelccaya Summit Dome in the tropical Andes of Peru and were imaged by environmental scanning electron microscopy and identified. Freshwater diatoms ...
    • Dichotomous noise models of gene switches 

      Potoyan, Davit A.; Wolynes, Peter G. (2015)
      Molecular noise in gene regulatory networks has two intrinsic components, one part being due to fluctuations caused by the birth and death of protein or mRNA molecules which are often present in small numbers and the other ...
    • Direct Plasmon-Driven Photoelectrocatalysis 

      Robatjazi, Hossein; Bahauddin, Shah Mohammad; Doiron, Chloe; Thomann, Isabell (2015)
      Harnessing the energy from hot charge carriers is an emerging research area with the potential to improve energy conversion technologies. Here we present a novel plasmonic photoelectrode architecture carefully designed to ...
    • Directed motion of periodically driven molecular motors: A graph-theoretical approach 

      Akimov, Alexey V.; Mandal, Dibyendu; Chernyak, Vladimir Y.; Sinitsyn, Nikolai A. (2013-01-11)
      We propose a numerical algorithm for calculation of quantized directed motion of a stochastic system of interacting particles induced by periodic changes of control parameters on the graph of microstates. As a main ...
    • Discrete Kinetic Models from Funneled Energy Landscape Simulations 

      Schafer, Nicholas P.; Hoffman, Ryan M.B.; Burger, Anat; Craig, Patricio O.; Komives, Elizabeth A. (2012)
      A general method for facilitating the interpretation of computer simulations of protein folding with minimally frustrated energy landscapes is detailed and applied to a designed ankyrin repeat protein (4ANK). In the method, ...
    • Distributed Cooperative Communications in Wireless Networks 

      Khojastepour, Mohammad (2005-01-01)
      The primary challenge in communication over wireless networks, unlike wireline networks, is the existence of interference and channel variations (fading). Having more users at higher data rates means that current ...
    • Drug-Triggered and Cross-Linked Self-Assembling Nanofibrous Hydrogels 

      Kumar, Vivek A.; Shi, Siyu; Wang, Benjamin K.; Li, I-Che; Jalan, Abhishek A.; Sarkar, Biplab; Wickremasinghe, Navindee C.; Hartgerink, Jeffrey D. (2015)
      Self-assembly of multidomain peptides (MDP) can be tailored to carry payloads that modulate the extracellular environment. Controlled release of growth factors, cytokines, and small-molecule drugs allows for unique control ...
    • Dye-Assisted Gain of Strongly Confined Surface Plasmon Polaritons in Silver Nanowires 

      Paul, Aniruddha; Zhen, Yu-Rong; Wang, Yi; Chang, Wei-Shun; Xia, Younan; Nordlander, Peter; Link, Stephan (2014)
      Subwavelength confinement and active control of light is essential for nanoscale communication devices at visible frequencies that support large bandwidths.[1-5] Noble-metal nanostructures present an excellent platform for ...
    • Dynamic response of exchange bias in graphene nanoribbons 

      Jammalamadaka, S. Narayana; Rao, S.S.; Vanacken, J.; Moshchalkov, V.V.; Lu, Wei; Tour, J.M. (2012)
      The dynamics of magnetic hysteresis, including the training effect and the field sweep rate dependence of the exchange bias, is experimentally investigated in exchange-coupled potassium split graphenenanoribbons (GNRs). ...
    • Dynamics of the Protein Search for Targets on DNA in the Presence of Traps 

      Lange, Martin; Kochugaeva, Maria; Kolomeisky, Anatoly B. (2015)
      Protein search for specific binding sites on DNA is a fundamental biological phenomenon associated with the beginning of most major biological processes. It is frequently found that proteins find and recognize their specific ...
    • Electron correlation in solids via density embedding theory 

      Bulik, Ireneusz W.; Chen, Weibing; Scuseria, Gustavo E. (2014)
      Density matrix embeddingᅠtheoryᅠ[G. Knizia and G. K.-L. Chan,ᅠPhys. Rev. Lett.109, 186404 (2012)] and density embeddingᅠtheoryᅠ[I. W. Bulik, G. E. Scuseria, and J. Dukelsky,ᅠPhys. Rev. Bᅠ89, 035140 (2014)] have recently ...
    • Electron doping evolution of the neutron spin resonance in NaFe1−xCoxAs 

      Zhang, Chenglin; Lv, Weicheng; Tan, Guotai; Song, Yu; Carr, Scott V.; Chi, Songxue; Matsuda, M.; Christianson, A.D.; Fernandez-Baca, J.A.; Harriger, L.W.; Dai, Pengcheng (2016)
      Neutron spin resonance, a collective magnetic excitation coupled to superconductivity, is one of the most prominent features shared by a broad family of unconventional superconductors including copper oxides, iron pnictides, ...
    • Electron-phonon interactions in MoS2ᅠprobed with ultrafast two-dimensional visible/far-infrared spectroscopy 

      Guo, Xunmin; Chen, Hailong; Wen, Xiewen; Zheng, Junrong (2015)
      An ultrafast two-dimensional visible/far-IR spectroscopy based on the IR/THz air biased coherent detection method and scanning the excitation frequencies is developed. The method allows the responses in the far-IR region ...
    • Electronic correlation without double counting via a combination of spin projected Hartree-Fock and density functional theories 

      Garza, Alejandro J.; Jiménez-Hoyos, Carlos A.; Scuseria, Gustavo E. (2014)
      Several schemes to avoid the double counting of correlations in methods that merge multireference wavefunctions with density functional theory (DFT) are studied and here adapted to a combination of spin-projected Hartree-Fock ...
    • Electronic Excited State Lifetimes of Anionic Water Clusters: Dependence on Charge Solvation Motif 

      Borgis, Daniel; Rossky, Peter J.; Turi, László (2017)
      An ongoing controversy about water cluster anions concerns the electron-binding motif, whether the charge center is localized at the surface or within the cluster interior. Here, mixed quantum-classical dynamics simulations ...