Now showing items 38-57 of 196

    • 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ヨ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 ...
    • 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 ...
    • 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. (2012-12-12)
      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, ...
    • Distinguishing between plasmon-induced and photoexcited carriers in a device geometry 

      Zheng, Bob Y.; Zhao, Hangqi; Manjavacas, Alejandro; McClain, Michael; Nordlander, Peter; Halas, Naomi J. (2015)
      The use of surface plasmons, charge density oscillations of conduction electrons of metallic nanostructures, to boost the efficiency of light-harvesting devices through increased light-matter interactions could drastically ...
    • 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 ...
    • 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 ...
    • 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 ...
    • The Emergence of the Structure of the Molecule and the Art of Its Synthesis 

      Nicolaou, K.C. (2013)
      At the core of the science of chemistry lie the structure of the molecule, the art of its synthesis, and the design of function within it. These attributes elevate chemistry to an essential, indispensable, and powerful ...
    • The endeavor of total synthesis and its impact on chemistry, biology and medicine 

      Nicolaou, K.C.; Hale, Christopher R.H. (2014)
      The synthesis of urea in 1828 set in motion the discipline of organic synthesis in general and of total synthesis in particular, the art and science of synthesizing natural products, the molecules of living nature. Early ...
    • Enhanced MRI relaxivity of aquated Gd3+ᅠions by carboxyphenylated water-dispersed graphene nanoribbons 

      Gizzatov, Ayrat; Keshishian, Vazrik; Guven, Adem; Dimiev, Ayrat M.; Qu, Feifei; Muthupillai, Raja; Decuzzi, Paolo; Bryant, Robert G.; Tour, James M.; Wilson, Lon J. (2014)
      The present study demonstrates that highly water-dispersed graphene nanoribbons dispersed by carboxyphenylated substituents and conjugated to aquated Gd3+ᅠions can serve as a high-performance contrast agent (CA) for ...
    • Enhanced MRI relaxivity of Gd3+-based contrast agents geometrically confined within porous nanoconstructs 

      Sethi, Richa; Ananta, Jeyarama S.; Karmonik, Christof; Zhong, Meng; Fung, Steve H.; Liu, Xuewu; Li, King; Ferrari, Mauro; Wilson, Lon J.; Decuzzi, Paolo (2012)
      Gadolinium chelates, which are currently approved for clinical MRI use, provide relaxivities well below their theoretical limit, and they also lack tissue specificity. Recently, the geometrical confinement of Gd3+-based ...
    • Equilibrium at the edge and atomistic mechanisms of graphene growth 

      Artyukhov, Vasilii I.; Liu, Yuanyue; Yakobson, Boris I. (9/18/2012)
      The morphology of graphene is crucial for its applications, yet an adequate theory of its growth is lacking: It is either simplified to a phenomenological-continuum level or is overly detailed in atomistic simulations, ...
    • Error-based Extraction of States and Energy Landscapes from Experimental Single-Molecule Time-Series 

      Taylor, J. Nicholas; Li, Chun-Biu; Cooper, David R.; Landes, Christy F.; Komatsuzaki, Tamiki (2015)
      Characterization of states, the essential components of the underlying energy landscapes, is one of the most intriguing subjects in single-molecule (SM) experiments due to the existence of noise inherent to the measurements. ...
    • Evidence for nuclear internalisation of biocompatible [60]fullerene1) 

      Huang, Feiran; Mackeyev, Yuri; Watson, Erin; Cheney, Matthew A.; Wilson, Lon J.; Suh, Junghae (2013)
      Many types of nanoparticles (NPs) have been shown to internalise within mammalian cells (1), but only a few have been observed to internalise within the cell nucleus-most likely due to the tightly-regulated nuclear membrane ...
    • Experimental realization of crossover in shape and director field of nematic tactoids 

      Jamali, Vida; Behabtu, Natnael; Senyuk, Bohdan; Lee, J. Alex; Smalyukh, Ivan I.; van der Schoot, Paul; Pasquali, Matteo (2015)
      Spindle-shaped nematic droplets (tactoids) form in solutions of rod-like molecules at the onset of the liquid crystalline phase. Their unique shape and internal structure result from the interplay of the elastic deformation ...
    • Experiments towards size and dopant control of germanium quantum dots for solar applications 

      Oliva-Chatelain, Brittany L.; Barron, Andrew R. (2016)
      While the literature for the doping of silicon quantum dots (QDs) and nanocrystals (NCs) is extensive, reports of doping their germanium analogs are sparse. We report a range of attempts to dope Ge QDs both during and ...
    • Exploiting Predictable Observer Mobility for Power Efficient Sensor Network Communication 

      Chakrabarti, Arnab (2003-04-20)
      This thesis introduces techniques that exploit predictable mobility of the observer (data sink) to reduce communication range, thereby saving power in wireless sensor networks (WSNs). The movement of public transport ...