Search Results - "Johnson, Robert"

Review of medical radiography and tomography with proton beams by Johnson, Robert P

“…The use of hadron beams, especially proton beams, in cancer radiotherapy has expanded rapidly in the past two decades. To fully realize the advantages of…”
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A PORTRAIT OF TRADE IN VALUE-ADDED OVER FOUR DECADES by Johnson, Robert C., Noguera, Guillermo

“…We combine data on trade, production, and input use to document changes in the value-added content of trade between 1970 and 2009. The ratio of value-added to…”
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Five Facts about Value-Added Exports and Implications for Macroeconomics and Trade Research by Johnson, Robert C.

“…Due to the rise of global supply chains, gross exports do not accurately measure the amount of value added exchanged between countries. I highlight five facts…”
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Measuring Global Value Chains by Johnson, Robert C

“…Recent decades have seen the emergence of global value chains (GVCs), in which production stages for individual goods are broken apart and scattered across…”
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C−H Functionalization of Commodity Polymers by Williamson, Jill B., Lewis, Sally E., Johnson, Robert R., Manning, Irene M., Leibfarth, Frank A.

“…Synthetic manipulation of polymer substrates is one of the oldest and most reliable methods to increase the functional diversity of soft materials. Modifying…”
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Accounting for intermediates: Production sharing and trade in value added by Johnson, Robert C., Noguera, Guillermo

“…We combine input–output and bilateral trade data to compute the value added content of bilateral trade. The ratio of value added to gross exports (VAX ratio)…”
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A Major Role of DNA Polymerase δ in Replication of Both the Leading and Lagging DNA Strands by Johnson, Robert E., Klassen, Roland, Prakash, Louise, Prakash, Satya

“…Genetic studies with S. cerevisiae Polδ (pol3-L612M) and Polε (pol2-M644G) mutant alleles, each of which display a higher rate for the generation of a specific…”
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Role of Non-Myocyte Gap Junctions and Connexin Hemichannels in Cardiovascular Health and Disease: Novel Therapeutic Targets? by Johnson, Robert D, Camelliti, Patrizia

“…The heart is a complex organ composed of multiple cell types, including cardiomyocytes and different non-myocyte populations, all working closely together to…”
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Meeting the detector challenges for pre-clinical proton and ion computed tomography by Johnson, Robert P

“…Six decades after its conception, proton computed tomography (pCT) and proton radiography have yet to be used in medical clinics. However, good progress has…”
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War trauma and PTSD in Ukraine’s civilian population: comparing urban-dwelling to internally displaced persons by Johnson, Robert J., Antonaccio, Olena, Botchkovar, Ekaterina, Hobfoll, Stevan E.

“…Introduction War in Ukraine started in March 2014 when Russia annexed Crimea and continues today in the Donbass region of Eastern Ukraine. Over 1.5 million…”
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Trade in Intermediate Inputs and Business Cycle Comovement by Johnson, Robert C.

“…Does input trade synchronize business cycles across countries? I incorporate input trade into a dynamic multisector model with many countries, calibrate the…”
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Trade and prices with heterogeneous firms by Johnson, Robert C.

“…This paper estimates a heterogeneous firms trade model using sector level data on export participation, trade flows, and unit value prices in a multi-country…”
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How Global Collaboration Can Improve the Medical Countermeasure Life Cycle for Infectious Disease Outbreaks by Swenson, Jessica, Disbrow, Gary, Johnson, Robert A

“…Infectious disease outbreaks have become increasingly common and require global partnership for adequate preparedness and response. During outbreaks, medical…”
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A cargo-sorting DNA robot by Thubagere, Anupama J., Li, Wei, Johnson, Robert F., Chen, Zibo, Doroudi, Shayan, Lee, Yae Lim, Izatt, Gregory, Wittman, Sarah, Srinivas, Niranjan, Woods, Damien, Winfree, Erik, Qian, Lulu

“…Two critical challenges in the design and synthesis of molecular robots are modularity and algorithm simplicity. We demonstrate three modular building blocks…”
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DNA polymerase ε leading strand signature mutations result from defects in its proofreading activity by Johnson, Robert E., Prakash, Louise, Prakash, Satya

“…The evidence that purified pol2-M644G DNA polymerase (Pol)ε exhibits a highly elevated bias for forming T:dTTP mispairs over A:dATP mispairs and that yeast…”
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Color, activity period, and eye structure in four lineages of ants: Pale, nocturnal species have evolved larger eyes and larger facets than their dark, diurnal congeners by Johnson, Robert A, Rutowski, Ronald L

“…The eyes of insects display an incredible diversity of adaptations to enhance vision across the gamut of light levels that they experience. One commonly…”
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Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets by Oza, Apurva V., Johnson, Robert E., Lellouch, Emmanuel, Schmidt, Carl, Schneider, Nick, Huang, Chenliang, Gamborino, Diana, Gebek, Andrea, Wyttenbach, Aurelien, Demory, Brice-Olivier, Mordasini, Christoph, Saxena, Prabal, Dubois, David, Moullet, Arielle, Thomas, Nicolas

“…Extrasolar satellites are generally too small to be detected by nominal searches. By analogy to the most active body in the solar system, Io, we describe how…”
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Performance evaluation of Omni channel distribution network configurations using multi criteria decision making techniques by Prabhuram, T., Rajmohan, M., Tan, Youchao, Robert Johnson, R.

“…The Omni channel (OC) is an integrated fulfillment process of satisfying the demands from multiple channels such as a physical store, call center, mail, online…”
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Postherpetic Neuralgia by Johnson, Robert W, Rice, Andrew S.C

“…Postherpetic neuralgia is more common with older age. Recommended treatments include topical agents (lidocaine or capsaicin) and systemic agents (in…”
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Bone Marrow Concentrate With Allograft Equivalent to Autograft in Lumbar Fusions by Johnson, Robert G

“…STUDY DESIGN.Prospective randomized study. OBJECTIVE.To compare autologous bone marrow concentrate mixed with allograft cancellous bone to iliac crest…”
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