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Showing 1 to 12 of 228 entries
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Genetic signatures of ecological diversity along an urbanization gradient.

PeerJ

Kelly RP, O'Donnell JL, Lowell NC, Shelton AO, Samhouri JF, Hennessey SM, Feist BE, Williams GD.
PMID: 27672503
PeerJ. 2016 Sep 13;4:e2444. doi: 10.7717/peerj.2444. eCollection 2016.

Despite decades of work in environmental science and ecology, estimating human influences on ecosystems remains challenging. This is partly due to complex chains of causation among ecosystem elements, exacerbated by the difficulty of collecting biological data at sufficient spatial,...

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Kelly RP, O'Donnell JL, Lowell NC, et al. Genetic signatures of ecological diversity along an urbanization gradient. PeerJ. 2016;4:e2444doi: 10.7717/peerj.2444.
Kelly, R. P., O'Donnell, J. L., Lowell, N. C., Shelton, A. O., Samhouri, J. F., Hennessey, S. M., Feist, B. E., & Williams, G. D. (2016). Genetic signatures of ecological diversity along an urbanization gradient. PeerJ, 4e2444. https://doi.org/10.7717/peerj.2444
Kelly, Ryan P, et al. "Genetic signatures of ecological diversity along an urbanization gradient." PeerJ vol. 4 (2016): e2444. doi: https://doi.org/10.7717/peerj.2444
Kelly RP, O'Donnell JL, Lowell NC, Shelton AO, Samhouri JF, Hennessey SM, Feist BE, Williams GD. Genetic signatures of ecological diversity along an urbanization gradient. PeerJ. 2016 Sep 13;4:e2444. doi: 10.7717/peerj.2444. eCollection 2016. PMID: 27672503; PMCID: PMC5028742.
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Can Anomalous Amplification be Attained without Postselection?.

Physical review letters

Martínez-Rincón J, Liu WT, Viza GI, Howell JC.
PMID: 27015468
Phys Rev Lett. 2016 Mar 11;116(10):100803. doi: 10.1103/PhysRevLett.116.100803. Epub 2016 Mar 09.

We present a parameter estimation technique based on performing joint measurements of a weak interaction away from the weak-value-amplification approximation. Two detectors are used to collect full statistics of the correlations between two weakly entangled degrees of freedom. Without...

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Martínez-Rincón J, Liu WT, Viza GI, et al. Can Anomalous Amplification be Attained without Postselection?. Phys Rev Lett. 2016;116(10):100803doi: 10.1103/PhysRevLett.116.100803.
Martínez-Rincón, J., Liu, W. T., Viza, G. I., & Howell, J. C. (2016). Can Anomalous Amplification be Attained without Postselection?. Physical review letters, 116(10), 100803. https://doi.org/10.1103/PhysRevLett.116.100803
Martínez-Rincón, Julián, et al. "Can Anomalous Amplification be Attained without Postselection?." Physical review letters vol. 116,10 (2016): 100803. doi: https://doi.org/10.1103/PhysRevLett.116.100803
Martínez-Rincón J, Liu WT, Viza GI, Howell JC. Can Anomalous Amplification be Attained without Postselection?. Phys Rev Lett. 2016 Mar 11;116(10):100803. doi: 10.1103/PhysRevLett.116.100803. Epub 2016 Mar 09. PMID: 27015468.
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Demethylating Agents in the Treatment of Cancer.

Pharmaceuticals (Basel, Switzerland)

Howell PM, Liu Z, Khong HT.
PMID: 27713340
Pharmaceuticals (Basel). 2010 Jul 02;3(7):2022-2044. doi: 10.3390/ph3072022.

Gene silencing resulting from aberrant DNA methylation can lead to tumorigenesis. Therefore, drugs that inhibit or interfere with DNA methylation have been used to reactivate and induce silenced gene re-expression in malignancies. Two demethylating agents, azacitidine and decitabine, are...

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Howell PM, Liu Z, Khong HT. Demethylating Agents in the Treatment of Cancer. Pharmaceuticals (Basel). 2010;3(7):2022-2044doi: 10.3390/ph3072022.
Howell, P. M., Liu, Z., & Khong, H. T. (2010). Demethylating Agents in the Treatment of Cancer. Pharmaceuticals (Basel, Switzerland), 3(7), 2022-2044. https://doi.org/10.3390/ph3072022
Howell, Paul M, et al. "Demethylating Agents in the Treatment of Cancer." Pharmaceuticals (Basel, Switzerland) vol. 3,7 (2010): 2022-2044. doi: https://doi.org/10.3390/ph3072022
Howell PM, Liu Z, Khong HT. Demethylating Agents in the Treatment of Cancer. Pharmaceuticals (Basel). 2010 Jul 02;3(7):2022-2044. doi: 10.3390/ph3072022. PMID: 27713340; PMCID: PMC4036667.
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Fast Hadamard transforms for compressive sensing of joint systems: measurement of a 3.2 million-dimensional bi-photon probability distribution.

Optics express

Lum DJ, Knarr SH, Howell JC.
PMID: 26480426
Opt Express. 2015 Oct 19;23(21):27636-49. doi: 10.1364/OE.23.027636.

We demonstrate how to efficiently implement extremely high-dimensional compressive imaging of a bi-photon probability distribution. Our method uses fast-Hadamard-transform Kronecker-based compressive sensing to acquire the joint space distribution. We list, in detail, the operations necessary to enable fast-transform-based matrix-vector...

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Lum DJ, Knarr SH, Howell JC. Fast Hadamard transforms for compressive sensing of joint systems: measurement of a 3.2 million-dimensional bi-photon probability distribution. Opt Express. 2015;23(21):27636-49doi: 10.1364/OE.23.027636.
Lum, D. J., Knarr, S. H., & Howell, J. C. (2015). Fast Hadamard transforms for compressive sensing of joint systems: measurement of a 3.2 million-dimensional bi-photon probability distribution. Optics express, 23(21), 27636-49. https://doi.org/10.1364/OE.23.027636
Lum, Daniel J, et al. "Fast Hadamard transforms for compressive sensing of joint systems: measurement of a 3.2 million-dimensional bi-photon probability distribution." Optics express vol. 23,21 (2015): 27636-49. doi: https://doi.org/10.1364/OE.23.027636
Lum DJ, Knarr SH, Howell JC. Fast Hadamard transforms for compressive sensing of joint systems: measurement of a 3.2 million-dimensional bi-photon probability distribution. Opt Express. 2015 Oct 19;23(21):27636-49. doi: 10.1364/OE.23.027636. PMID: 26480426.
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Paraxial full-field cloaking.

Optics express

Choi JS, Howell JC.
PMID: 26193564
Opt Express. 2015 Jun 15;23(12):15857-62. doi: 10.1364/OE.23.015857.

We complete the 'paraxial' (small-angle) ray optics cloaking formalism presented previously [Opt. Express 22, 29465 (2014)], by extending it to the full-field of light. Omnidirectionality is then the only relaxed parameter of what may be considered an ideal, broadband,...

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Choi JS, Howell JC. Paraxial full-field cloaking. Opt Express. 2015;23(12):15857-62doi: 10.1364/OE.23.015857.
Choi, J. S., & Howell, J. C. (2015). Paraxial full-field cloaking. Optics express, 23(12), 15857-62. https://doi.org/10.1364/OE.23.015857
Choi, Joseph S, and Howell, John C. "Paraxial full-field cloaking." Optics express vol. 23,12 (2015): 15857-62. doi: https://doi.org/10.1364/OE.23.015857
Choi JS, Howell JC. Paraxial full-field cloaking. Opt Express. 2015 Jun 15;23(12):15857-62. doi: 10.1364/OE.23.015857. PMID: 26193564.
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Fear and Uncertainty Do Not Influence Reported Willingness to Undergo Lumbar Punctures in a U.S. Multi-Cultural Cohort.

Frontiers in aging neuroscience

Tsvetkova DZ, Bergquist SH, Parker MW, Jarrett TL, Howell JC, Watts KD, Kollhoff A, Roberts DL, Hu WT.
PMID: 28239349
Front Aging Neurosci. 2017 Feb 10;9:22. doi: 10.3389/fnagi.2017.00022. eCollection 2017.

Cerebrospinal fluid (CSF) biomarkers for Alzheimer's disease and related disorders can provide early and accurate prediction of underlying neuropathology even when the clinical symptoms are mild, but lumbar punctures (LP) to obtain CSF can be perceived as frightening and...

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Tsvetkova DZ, Bergquist SH, Parker MW, et al. Fear and Uncertainty Do Not Influence Reported Willingness to Undergo Lumbar Punctures in a U.S. Multi-Cultural Cohort. Front Aging Neurosci. 2017;9:22doi: 10.3389/fnagi.2017.00022.
Tsvetkova, D. Z., Bergquist, S. H., Parker, M. W., Jarrett, T. L., Howell, J. C., Watts, K. D., Kollhoff, A., Roberts, D. L., & Hu, W. T. (2017). Fear and Uncertainty Do Not Influence Reported Willingness to Undergo Lumbar Punctures in a U.S. Multi-Cultural Cohort. Frontiers in aging neuroscience, 922. https://doi.org/10.3389/fnagi.2017.00022
Tsvetkova, Dobromira Z, et al. "Fear and Uncertainty Do Not Influence Reported Willingness to Undergo Lumbar Punctures in a U.S. Multi-Cultural Cohort." Frontiers in aging neuroscience vol. 9 (2017): 22. doi: https://doi.org/10.3389/fnagi.2017.00022
Tsvetkova DZ, Bergquist SH, Parker MW, Jarrett TL, Howell JC, Watts KD, Kollhoff A, Roberts DL, Hu WT. Fear and Uncertainty Do Not Influence Reported Willingness to Undergo Lumbar Punctures in a U.S. Multi-Cultural Cohort. Front Aging Neurosci. 2017 Feb 10;9:22. doi: 10.3389/fnagi.2017.00022. eCollection 2017. PMID: 28239349; PMCID: PMC5300987.
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Simultaneous measurement of complementary observables with compressive sensing.

Physical review letters

Howland GA, Schneeloch J, Lum DJ, Howell JC.
PMID: 25014815
Phys Rev Lett. 2014 Jun 27;112(25):253602. doi: 10.1103/PhysRevLett.112.253602. Epub 2014 Jun 26.

The more information a measurement provides about a quantum system's position statistics, the less information a subsequent measurement can provide about the system's momentum statistics. This information trade-off is embodied in the entropic formulation of the uncertainty principle. Traditionally,...

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Howland GA, Schneeloch J, Lum DJ, et al. Simultaneous measurement of complementary observables with compressive sensing. Phys Rev Lett. 2014;112(25):253602doi: 10.1103/PhysRevLett.112.253602.
Howland, G. A., Schneeloch, J., Lum, D. J., & Howell, J. C. (2014). Simultaneous measurement of complementary observables with compressive sensing. Physical review letters, 112(25), 253602. https://doi.org/10.1103/PhysRevLett.112.253602
Howland, Gregory A, et al. "Simultaneous measurement of complementary observables with compressive sensing." Physical review letters vol. 112,25 (2014): 253602. doi: https://doi.org/10.1103/PhysRevLett.112.253602
Howland GA, Schneeloch J, Lum DJ, Howell JC. Simultaneous measurement of complementary observables with compressive sensing. Phys Rev Lett. 2014 Jun 27;112(25):253602. doi: 10.1103/PhysRevLett.112.253602. Epub 2014 Jun 26. PMID: 25014815.
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The Developmental Dynamics of Joining a Gang in Adolescence: Patterns and Predictors of Gang Membership.

Journal of research on adolescence : the official journal of the Society for Research on Adolescence

Gilman AB, Hill KG, Hawkins JD, Howell JC, Kosterman R.
PMID: 24882999
J Res Adolesc. 2014 Jun 01;24(2):204-219. doi: 10.1111/jora.12121.

Researchers have examined the predictors of adolescent gang membership, finding significant factors in the neighborhood, family, school, peers, and individual domains. However, little is known about whether risk and protective factors differ in predictive salience at different developmental periods....

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Gilman AB, Hill KG, Hawkins JD, et al. The Developmental Dynamics of Joining a Gang in Adolescence: Patterns and Predictors of Gang Membership. J Res Adolesc. 2014;24(2):204-219doi: 10.1111/jora.12121.
Gilman, A. B., Hill, K. G., Hawkins, J. D., Howell, J. C., & Kosterman, R. (2014). The Developmental Dynamics of Joining a Gang in Adolescence: Patterns and Predictors of Gang Membership. Journal of research on adolescence : the official journal of the Society for Research on Adolescence, 24(2), 204-219. https://doi.org/10.1111/jora.12121
Gilman, Amanda B, et al. "The Developmental Dynamics of Joining a Gang in Adolescence: Patterns and Predictors of Gang Membership." Journal of research on adolescence : the official journal of the Society for Research on Adolescence vol. 24,2 (2014): 204-219. doi: https://doi.org/10.1111/jora.12121
Gilman AB, Hill KG, Hawkins JD, Howell JC, Kosterman R. The Developmental Dynamics of Joining a Gang in Adolescence: Patterns and Predictors of Gang Membership. J Res Adolesc. 2014 Jun 01;24(2):204-219. doi: 10.1111/jora.12121. PMID: 24882999; PMCID: PMC4036700.
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Finite flux solutions of the quantum boltzmann equation and semiconductor lasers.

Physical review letters

Lvov YV, Newell AC.
PMID: 11017654
Phys Rev Lett. 2000 Feb 28;84(9):1894-7. doi: 10.1103/PhysRevLett.84.1894.

We propose and illustrate in the context of the semiconductor laser that, in nonequilibrium fermionic systems with sources and sinks, the family of finite flux stationary solutions of the quantum Boltzmann equation is central and more important then the...

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Lvov YV, Newell AC. Finite flux solutions of the quantum boltzmann equation and semiconductor lasers. Phys Rev Lett. 2000;84(9):1894-7doi: 10.1103/PhysRevLett.84.1894.
Lvov, Y. V., & Newell, A. C. (2000). Finite flux solutions of the quantum boltzmann equation and semiconductor lasers. Physical review letters, 84(9), 1894-7. https://doi.org/10.1103/PhysRevLett.84.1894
Lvov, and Newell. "Finite flux solutions of the quantum boltzmann equation and semiconductor lasers." Physical review letters vol. 84,9 (2000): 1894-7. doi: https://doi.org/10.1103/PhysRevLett.84.1894
Lvov YV, Newell AC. Finite flux solutions of the quantum boltzmann equation and semiconductor lasers. Phys Rev Lett. 2000 Feb 28;84(9):1894-7. doi: 10.1103/PhysRevLett.84.1894. PMID: 11017654.
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Experimental quantum cloning of single photons.

Science (New York, N.Y.)

Lamas-Linares A, Simon C, Howell JC, Bouwmeester D.
PMID: 11923493
Science. 2002 Apr 26;296(5568):712-4. doi: 10.1126/science.1068972. Epub 2002 Mar 28.

Although perfect copying of unknown quantum systems is forbidden by the laws of quantum mechanics, approximate cloning is possible. A natural way of realizing quantum cloning of photons is by stimulated emission. In this context, the fundamental quantum limit...

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Lamas-Linares A, Simon C, Howell JC, et al. Experimental quantum cloning of single photons. Science. 2002;296(5568):712-4doi: 10.1126/science.1068972.
Lamas-Linares, A., Simon, C., Howell, J. C., & Bouwmeester, D. (2002). Experimental quantum cloning of single photons. Science (New York, N.Y.), 296(5568), 712-4. https://doi.org/10.1126/science.1068972
Lamas-Linares, Antía, et al. "Experimental quantum cloning of single photons." Science (New York, N.Y.) vol. 296,5568 (2002): 712-4. doi: https://doi.org/10.1126/science.1068972
Lamas-Linares A, Simon C, Howell JC, Bouwmeester D. Experimental quantum cloning of single photons. Science. 2002 Apr 26;296(5568):712-4. doi: 10.1126/science.1068972. Epub 2002 Mar 28. PMID: 11923493.
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Nonequilibrium precursor model for the onset of percolation in a two-phase system.

Physical review. E, Statistical, nonlinear, and soft matter physics

Gleiser M, Howell RC, Ramos RO.
PMID: 11909171
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3):036113. doi: 10.1103/PhysRevE.65.036113. Epub 2002 Feb 12.

Using a Boltzmann-like equation, we investigate the nonequilibrium dynamics of nonperturbative fluctuations within the context of Ginzburg-Landau models. As an illustration, we examine how a two-phase system initially prepared in a homogeneous, low-temperature phase becomes populated by precursors of...

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Gleiser M, Howell RC, Ramos RO. Nonequilibrium precursor model for the onset of percolation in a two-phase system. Phys Rev E Stat Nonlin Soft Matter Phys. 2002;65(3):036113doi: 10.1103/PhysRevE.65.036113.
Gleiser, M., Howell, R. C., & Ramos, R. O. (2002). Nonequilibrium precursor model for the onset of percolation in a two-phase system. Physical review. E, Statistical, nonlinear, and soft matter physics, 65(3), 036113. https://doi.org/10.1103/PhysRevE.65.036113
Gleiser, Marcelo, et al. "Nonequilibrium precursor model for the onset of percolation in a two-phase system." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 65,3 (2002): 036113. doi: https://doi.org/10.1103/PhysRevE.65.036113
Gleiser M, Howell RC, Ramos RO. Nonequilibrium precursor model for the onset of percolation in a two-phase system. Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3):036113. doi: 10.1103/PhysRevE.65.036113. Epub 2002 Feb 12. PMID: 11909171.
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Light collection efficiency and light transport in backscattered electron scintillator detectors in scanning electron microscopy.

Scanning

Filippov MN, Rau EI, Sennov RA, Boyde A, Howell PG.
PMID: 11587323
Scanning. 2001 Sep-Oct;23(5):305-12. doi: 10.1002/sca.4950230503.

Experimentally, scintillator detectors used in scanning electron microscopy (SEM) to record backscattered electrons (BSE) show a noticeable difference in detection efficiency in different parts of their active zones due to light losses transport in the optical part of the...

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Filippov MN, Rau EI, Sennov RA, et al. Light collection efficiency and light transport in backscattered electron scintillator detectors in scanning electron microscopy. Scanning. 2001;23(5):305-12doi: 10.1002/sca.4950230503.
Filippov, M. N., Rau, E. I., Sennov, R. A., Boyde, A., & Howell, P. G. (2001). Light collection efficiency and light transport in backscattered electron scintillator detectors in scanning electron microscopy. Scanning, 23(5), 305-12. https://doi.org/10.1002/sca.4950230503
Filippov, M N, et al. "Light collection efficiency and light transport in backscattered electron scintillator detectors in scanning electron microscopy." Scanning vol. 23,5 (2001): 305-12. doi: https://doi.org/10.1002/sca.4950230503
Filippov MN, Rau EI, Sennov RA, Boyde A, Howell PG. Light collection efficiency and light transport in backscattered electron scintillator detectors in scanning electron microscopy. Scanning. 2001 Sep-Oct;23(5):305-12. doi: 10.1002/sca.4950230503. PMID: 11587323.
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Showing 1 to 12 of 228 entries