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Showing 1 to 12 of 233 entries
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Metal ion-humic acid nanoparticle interactions: role of both complexation and condensation mechanisms.

Physical chemistry chemical physics : PCCP

Town RM, van Leeuwen HP.
PMID: 27327433
Phys Chem Chem Phys. 2016 Jul 21;18(27):18024-32. doi: 10.1039/c6cp02634f. Epub 2016 Jun 21.

Purely Donnan type models for electrostatic binding by humic acid (HA) nanoparticles are shown to be physically incomplete. To describe the extent of ion binding by HA, such models need to invoke parameters that are not consistent with experimental...

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Town RM, van Leeuwen HP. Metal ion-humic acid nanoparticle interactions: role of both complexation and condensation mechanisms. Phys Chem Chem Phys. 2016;18(27):18024-32doi: 10.1039/c6cp02634f.
Town, R. M., & van Leeuwen, H. P. (2016). Metal ion-humic acid nanoparticle interactions: role of both complexation and condensation mechanisms. Physical chemistry chemical physics : PCCP, 18(27), 18024-32. https://doi.org/10.1039/c6cp02634f
Town, Raewyn M, and van Leeuwen, Herman P. "Metal ion-humic acid nanoparticle interactions: role of both complexation and condensation mechanisms." Physical chemistry chemical physics : PCCP vol. 18,27 (2016): 18024-32. doi: https://doi.org/10.1039/c6cp02634f
Town RM, van Leeuwen HP. Metal ion-humic acid nanoparticle interactions: role of both complexation and condensation mechanisms. Phys Chem Chem Phys. 2016 Jul 21;18(27):18024-32. doi: 10.1039/c6cp02634f. Epub 2016 Jun 21. PMID: 27327433.
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Paracrine Signaling by Extracellular Vesicles via Osteoblasts.

Current molecular biology reports

Morhayim J, Rudjito R, van Leeuwen JP, van Driel M.
PMID: 27429899
Curr Mol Biol Rep. 2016;2:48-55. doi: 10.1007/s40610-016-0034-6. Epub 2016 Feb 23.

Extracellular vesicles (EVs), spherical bilayered proteolipids, behave as paracrine effectors since they are released from cells to deliver signals to other cells. They control a diverse range of biological processes by transferring proteins, lipids, and nucleic acids between cells...

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Morhayim J, Rudjito R, van Leeuwen JP, et al. Paracrine Signaling by Extracellular Vesicles via Osteoblasts. Curr Mol Biol Rep. 2016;2:48-55doi: 10.1007/s40610-016-0034-6.
Morhayim, J., Rudjito, R., van Leeuwen, J. P., & van Driel, M. (2016). Paracrine Signaling by Extracellular Vesicles via Osteoblasts. Current molecular biology reports, 248-55. https://doi.org/10.1007/s40610-016-0034-6
Morhayim, Jess, et al. "Paracrine Signaling by Extracellular Vesicles via Osteoblasts." Current molecular biology reports vol. 2 (2016): 48-55. doi: https://doi.org/10.1007/s40610-016-0034-6
Morhayim J, Rudjito R, van Leeuwen JP, van Driel M. Paracrine Signaling by Extracellular Vesicles via Osteoblasts. Curr Mol Biol Rep. 2016;2:48-55. doi: 10.1007/s40610-016-0034-6. Epub 2016 Feb 23. PMID: 27429899; PMCID: PMC4922391.
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Initialization by measurement of a superconducting quantum bit circuit.

Physical review letters

Ristè D, van Leeuwen JG, Ku HS, Lehnert KW, DiCarlo L.
PMID: 23006158
Phys Rev Lett. 2012 Aug 03;109(5):050507. doi: 10.1103/PhysRevLett.109.050507. Epub 2012 Aug 03.

We demonstrate initialization by joint measurement of two transmon qubits in 3D circuit quantum electrodynamics. Homodyne detection of cavity transmission is enhanced by Josephson parametric amplification to discriminate the two-qubit ground state from single-qubit excitations nondestructively and with 98.1%...

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Ristè D, van Leeuwen JG, Ku HS, et al. Initialization by measurement of a superconducting quantum bit circuit. Phys Rev Lett. 2012;109(5):050507doi: 10.1103/PhysRevLett.109.050507.
Ristè, D., van Leeuwen, J. G., Ku, H. S., Lehnert, K. W., & DiCarlo, L. (2012). Initialization by measurement of a superconducting quantum bit circuit. Physical review letters, 109(5), 050507. https://doi.org/10.1103/PhysRevLett.109.050507
Ristè, D, et al. "Initialization by measurement of a superconducting quantum bit circuit." Physical review letters vol. 109,5 (2012): 050507. doi: https://doi.org/10.1103/PhysRevLett.109.050507
Ristè D, van Leeuwen JG, Ku HS, Lehnert KW, DiCarlo L. Initialization by measurement of a superconducting quantum bit circuit. Phys Rev Lett. 2012 Aug 03;109(5):050507. doi: 10.1103/PhysRevLett.109.050507. Epub 2012 Aug 03. PMID: 23006158.
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An Improved Method for Calculating Zeta-Potentials from Measurements of the Electrokinetic Sonic Amplitude.

Journal of colloid and interface science

Löbbus M, Sonnfeld J, van Leeuwen HP, Vogelsberger W, Lyklema J.
PMID: 10942556
J Colloid Interface Sci. 2000 Sep 01;229(1):174-183. doi: 10.1006/jcis.2000.6980.

The surface electric properties of the commercially available silica, Monospher 1000 (Fa. Merck), have been studied by conductivity and ESA (electrokinetic sonic amplitude) experiments. It could be shown that accounting for the contribution of the stagnant layer to surface...

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Löbbus M, Sonnfeld J, van Leeuwen HP, et al. An Improved Method for Calculating Zeta-Potentials from Measurements of the Electrokinetic Sonic Amplitude. J Colloid Interface Sci. 2000;229(1):174-183doi: 10.1006/jcis.2000.6980.
Löbbus, M., Sonnfeld, J., van Leeuwen HP, Vogelsberger, W., & Lyklema, J. (2000). An Improved Method for Calculating Zeta-Potentials from Measurements of the Electrokinetic Sonic Amplitude. Journal of colloid and interface science, 229(1), 174-183. https://doi.org/10.1006/jcis.2000.6980
Löbbus, et al. "An Improved Method for Calculating Zeta-Potentials from Measurements of the Electrokinetic Sonic Amplitude." Journal of colloid and interface science vol. 229,1 (2000): 174-183. doi: https://doi.org/10.1006/jcis.2000.6980
Löbbus M, Sonnfeld J, van Leeuwen HP, Vogelsberger W, Lyklema J. An Improved Method for Calculating Zeta-Potentials from Measurements of the Electrokinetic Sonic Amplitude. J Colloid Interface Sci. 2000 Sep 01;229(1):174-183. doi: 10.1006/jcis.2000.6980. PMID: 10942556.
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Faradaic depolarization in the electrokinetics of the metal-electrolyte solution interface.

Journal of colloid and interface science

Duval JF, Huijs GK, Threels WF, Lyklema J, van Leeuwen HP.
PMID: 12742039
J Colloid Interface Sci. 2003 Apr 01;260(1):95-106. doi: 10.1016/s0021-9797(02)00134-0.

Streaming potentials (E(str)) have been measured in a flat thin-layer cell with gold and aluminum surfaces. The conventional relation between E(str) and the zeta-potential is shown to be applicable only as long as charge transfer reactions at the metal-electrolyte...

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Duval JF, Huijs GK, Threels WF, et al. Faradaic depolarization in the electrokinetics of the metal-electrolyte solution interface. J Colloid Interface Sci. 2003;260(1):95-106doi: 10.1016/s0021-9797(02)00134-0.
Duval, J. F., Huijs, G. K., Threels, W. F., Lyklema, J., & van Leeuwen, H. P. (2003). Faradaic depolarization in the electrokinetics of the metal-electrolyte solution interface. Journal of colloid and interface science, 260(1), 95-106. https://doi.org/10.1016/s0021-9797(02)00134-0
Duval, Jérôme F L, et al. "Faradaic depolarization in the electrokinetics of the metal-electrolyte solution interface." Journal of colloid and interface science vol. 260,1 (2003): 95-106. doi: https://doi.org/10.1016/s0021-9797(02)00134-0
Duval JF, Huijs GK, Threels WF, Lyklema J, van Leeuwen HP. Faradaic depolarization in the electrokinetics of the metal-electrolyte solution interface. J Colloid Interface Sci. 2003 Apr 01;260(1):95-106. doi: 10.1016/s0021-9797(02)00134-0. PMID: 12742039.
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Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories".

Review of palaeobotany and palynology

van der Knaap WO, van Leeuwen JF, Fankhauser A, Ammann B.
PMID: 11389919
Rev Palaeobot Palynol. 2001 Apr;114(3):269-270. doi: 10.1016/s0034-6667(01)00049-5.

No abstract available.

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van der Knaap WO, van Leeuwen JF, Fankhauser A, et al. Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories". Rev Palaeobot Palynol. 2001;114(3):269-270doi: 10.1016/s0034-6667(01)00049-5.
van der Knaap, W. O., van Leeuwen, J. F., Fankhauser, A., & Ammann, B. (2001). Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories". Review of palaeobotany and palynology, 114(3), 269-270. https://doi.org/10.1016/s0034-6667(01)00049-5
van der Knaap, W O., et al. "Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories"." Review of palaeobotany and palynology vol. 114,3 (2001): 269-270. doi: https://doi.org/10.1016/s0034-6667(01)00049-5
van der Knaap WO, van Leeuwen JF, Fankhauser A, Ammann B. Erratum to "Palynostratigraphy of the last centuries in Switzerland based on 23 lake and mire deposits: chronostratigraphic pollen markers, regional patterns, and local histories". Rev Palaeobot Palynol. 2001 Apr;114(3):269-270. doi: 10.1016/s0034-6667(01)00049-5. PMID: 11389919.
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Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies.

BMC pregnancy and childbirth

Van Leeuwen P, Lange S, Klein A, Geue D, Grönemeyer DH.
PMID: 15061871
BMC Pregnancy Childbirth. 2004 Apr 02;4(1):6. doi: 10.1186/1471-2393-4-6.

BACKGROUND: Magnetocardiography enables the precise determination of fetal cardiac time intervals (CTI) as early as the second trimester of pregnancy. It has been shown that fetal CTI change in course of gestation. The aim of this work was to...

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Van Leeuwen P, Lange S, Klein A, et al. Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies. BMC Pregnancy Childbirth. 2004;4(1):6doi: 10.1186/1471-2393-4-6.
Van Leeuwen, P., Lange, S., Klein, A., Geue, D., & Grönemeyer, D. H. (2004). Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies. BMC pregnancy and childbirth, 4(1), 6. https://doi.org/10.1186/1471-2393-4-6
Van Leeuwen, Peter, et al. "Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies." BMC pregnancy and childbirth vol. 4,1 (2004): 6. doi: https://doi.org/10.1186/1471-2393-4-6
Van Leeuwen P, Lange S, Klein A, Geue D, Grönemeyer DH. Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies. BMC Pregnancy Childbirth. 2004 Apr 02;4(1):6. doi: 10.1186/1471-2393-4-6. PMID: 15061871; PMCID: PMC411040.
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Conductometric analysis of the competition between monovalent and divalent counterions in their interaction with polyelectrolytes.

Biophysical chemistry

de Jong HG, Lyklema J, van Leeuwen HP.
PMID: 17010289
Biophys Chem. 1987 Aug;27(2):173-82. doi: 10.1016/0301-4622(87)80056-x.

A procedure is described for the analysis of the conductivity of solutions of anionic polyelectrolytes in which both mono- and divalent counterions are present. The method is based on analysis of the relation between the overall conductivity of the...

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de Jong HG, Lyklema J, van Leeuwen HP. Conductometric analysis of the competition between monovalent and divalent counterions in their interaction with polyelectrolytes. Biophys Chem. 1987;27(2):173-82doi: 10.1016/0301-4622(87)80056-x.
de Jong, H. G., Lyklema, J., & van Leeuwen, H. P. (1987). Conductometric analysis of the competition between monovalent and divalent counterions in their interaction with polyelectrolytes. Biophysical chemistry, 27(2), 173-82. https://doi.org/10.1016/0301-4622(87)80056-x
de Jong, H G, et al. "Conductometric analysis of the competition between monovalent and divalent counterions in their interaction with polyelectrolytes." Biophysical chemistry vol. 27,2 (1987): 173-82. doi: https://doi.org/10.1016/0301-4622(87)80056-x
de Jong HG, Lyklema J, van Leeuwen HP. Conductometric analysis of the competition between monovalent and divalent counterions in their interaction with polyelectrolytes. Biophys Chem. 1987 Aug;27(2):173-82. doi: 10.1016/0301-4622(87)80056-x. PMID: 17010289.
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Crossover from reptation to Rouse dynamics in the cage model.

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

Drzewiński A, van Leeuwen JM.
PMID: 17280087
Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Dec;74(6):061801. doi: 10.1103/PhysRevE.74.061801. Epub 2006 Dec 01.

The two-dimensional cage model for polymer motion is discussed with an emphasis on the effect of sideways motions, which cross the barriers imposed by the lattice. Using the density matrix method as a solver of the master equation, the...

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Drzewiński A, van Leeuwen JM. Crossover from reptation to Rouse dynamics in the cage model. Phys Rev E Stat Nonlin Soft Matter Phys. 2006;74(6):061801doi: 10.1103/PhysRevE.74.061801.
Drzewiński, A., & van Leeuwen, J. M. (2006). Crossover from reptation to Rouse dynamics in the cage model. Physical review. E, Statistical, nonlinear, and soft matter physics, 74(6), 061801. https://doi.org/10.1103/PhysRevE.74.061801
Drzewiński, A, and van Leeuwen, J M J. "Crossover from reptation to Rouse dynamics in the cage model." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 74,6 (2006): 061801. doi: https://doi.org/10.1103/PhysRevE.74.061801
Drzewiński A, van Leeuwen JM. Crossover from reptation to Rouse dynamics in the cage model. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Dec;74(6):061801. doi: 10.1103/PhysRevE.74.061801. Epub 2006 Dec 01. PMID: 17280087.
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An electrokinetic characterization of low charge density cross-linked polyacrylamide gels.

Journal of colloid and interface science

Yezek LP, van Leeuwen HP.
PMID: 15313660
J Colloid Interface Sci. 2004 Oct 01;278(1):243-50. doi: 10.1016/j.jcis.2004.05.026.

Hydrogels of polyacrylamide have found wide application in separation science and, more recently, in speciation techniques. These applications ideally require an uncharged, inert polymer matrix to act as a conduit for either diffusion or electrically driven migration. However, the...

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Yezek LP, van Leeuwen HP. An electrokinetic characterization of low charge density cross-linked polyacrylamide gels. J Colloid Interface Sci. 2004;278(1):243-50doi: 10.1016/j.jcis.2004.05.026.
Yezek, L. P., & van Leeuwen, H. P. (2004). An electrokinetic characterization of low charge density cross-linked polyacrylamide gels. Journal of colloid and interface science, 278(1), 243-50. https://doi.org/10.1016/j.jcis.2004.05.026
Yezek, Lee P, and van Leeuwen, Herman P. "An electrokinetic characterization of low charge density cross-linked polyacrylamide gels." Journal of colloid and interface science vol. 278,1 (2004): 243-50. doi: https://doi.org/10.1016/j.jcis.2004.05.026
Yezek LP, van Leeuwen HP. An electrokinetic characterization of low charge density cross-linked polyacrylamide gels. J Colloid Interface Sci. 2004 Oct 01;278(1):243-50. doi: 10.1016/j.jcis.2004.05.026. PMID: 15313660.
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Words of wisdom. Re: Comparative effectiveness of minimally invasive vs open radical prostatectomy.

European urology

van Leeuwen PJ.
PMID: 20135755
Eur Urol. 2010 Mar;57(3):539-40. doi: 10.1016/j.eururo.2009.12.013.

No abstract available.

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van Leeuwen PJ. Words of wisdom. Re: Comparative effectiveness of minimally invasive vs open radical prostatectomy. Eur Urol. 2010;57(3):539-40doi: 10.1016/j.eururo.2009.12.013.
van Leeuwen, P. J. (2010). Words of wisdom. Re: Comparative effectiveness of minimally invasive vs open radical prostatectomy. European urology, 57(3), 539-40. https://doi.org/10.1016/j.eururo.2009.12.013
van Leeuwen, Pim J. "Words of wisdom. Re: Comparative effectiveness of minimally invasive vs open radical prostatectomy." European urology vol. 57,3 (2010): 539-40. doi: https://doi.org/10.1016/j.eururo.2009.12.013
van Leeuwen PJ. Words of wisdom. Re: Comparative effectiveness of minimally invasive vs open radical prostatectomy. Eur Urol. 2010 Mar;57(3):539-40. doi: 10.1016/j.eururo.2009.12.013. PMID: 20135755.
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Dynamics and heterogeneity of Pb(II) binding by SiO2 nanoparticles in an aqueous dispersion.

Langmuir : the ACS journal of surfaces and colloids

Goveia D, Pinheiro JP, Milkova V, Rosa AH, van Leeuwen HP.
PMID: 21612251
Langmuir. 2011 Jun 21;27(12):7877-83. doi: 10.1021/la2008182. Epub 2011 May 25.

Pb(II) binding by SiO(2) nanoparticles in an aqueous dispersion was investigated under conditions where the concentrations of Pb(2+) ions and nanoparticles are of similar magnitude. Conditional stability constants (log K) obtained at different values of pH and ionic strength...

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Goveia D, Pinheiro JP, Milkova V, et al. Dynamics and heterogeneity of Pb(II) binding by SiO2 nanoparticles in an aqueous dispersion. Langmuir. 2011;27(12):7877-83doi: 10.1021/la2008182.
Goveia, D., Pinheiro, J. P., Milkova, V., Rosa, A. H., & van Leeuwen, H. P. (2011). Dynamics and heterogeneity of Pb(II) binding by SiO2 nanoparticles in an aqueous dispersion. Langmuir : the ACS journal of surfaces and colloids, 27(12), 7877-83. https://doi.org/10.1021/la2008182
Goveia, Danielle, et al. "Dynamics and heterogeneity of Pb(II) binding by SiO2 nanoparticles in an aqueous dispersion." Langmuir : the ACS journal of surfaces and colloids vol. 27,12 (2011): 7877-83. doi: https://doi.org/10.1021/la2008182
Goveia D, Pinheiro JP, Milkova V, Rosa AH, van Leeuwen HP. Dynamics and heterogeneity of Pb(II) binding by SiO2 nanoparticles in an aqueous dispersion. Langmuir. 2011 Jun 21;27(12):7877-83. doi: 10.1021/la2008182. Epub 2011 May 25. PMID: 21612251.
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Showing 1 to 12 of 233 entries