All Stories

  1. Biphasic concentration patterns in ionic transport under nanoconfinement revealed in steady state and time-dependent properties

    Article • The Journal of Chemical Physics, January 2023, American Institute of Physics

    Professor Antonio Alcaraz

  2. Current Fluctuation Analysis in a Protein Nanopore

    Article • Biophysical Journal, January 2015, Elsevier

    Professor Antonio Alcaraz

  3. Relevance of SARS-CoV E Protein Ion Channel Activity in Virus Pathogenesis

    Article • Biophysical Journal, January 2015, Elsevier

    Professor Antonio Alcaraz

  4. Experimental demonstration of charge inversion in a protein channel in the presence of monovalent cations

    Article • Electrochemistry Communications, November 2014, Elsevier

    Professor Antonio Alcaraz

  5. Membrane Potential Bistability in Nonexcitable Cells as Described by Inward and Outward Voltage-Gated Ion Channels

    Article • The Journal of Physical Chemistry, October 2014, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  6. Entropy–enthalpy compensation at the single protein level: pH sensing in the bacterial channel OmpF

    Article • Nanoscale, October 2014, Royal Society of Chemistry

    Professor Antonio Alcaraz

  7. Severe Acute Respiratory Syndrome Coronavirus Envelope Protein Ion Channel Activity Promotes Virus Fitness and Pathogenesis

    Article • PLoS Pathogens, May 2014, PLOS

    Professor Antonio Alcaraz

  8. Lipid charge regulation of non-specific biological ion channels

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Professor Antonio Alcaraz

  9. Amphiphilic COSAN and I2-COSAN crossing synthetic lipid membranes: planar bilayers and liposomes

    Article • Chemical Communications, January 2014, Royal Society of Chemistry

    Prof. Dr Clara Viñas i Teixidor, Professor Antonio Alcaraz

  10. Electrostatic Interactions Drive the Nonsteric Directional Block of OmpF Channel by La 3+

    Article • Langmuir, December 2013, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  11. Analysis of SARS-CoV E protein ion channel activity by tuning the protein and lipid charge

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, September 2013, Elsevier

    Professor Antonio Alcaraz

  12. Electrical pumping of potassium ions against an external concentration gradient in a biological ion channel

    Article • Applied Physics Letters, July 2013, American Institute of Physics

    Professor Antonio Alcaraz

  13. La3+-Induced Asymmetric Current Inhibition in OmpF Channel

    Article • Biophysical Journal, January 2013, Elsevier

    Professor Antonio Alcaraz

  14. Ion Channels Formed by SARS Coronavirus Envelope Protein: Lipid Regulation of Conductance and Selectivity

    Article • Biophysical Journal, January 2013, Elsevier

    Professor Antonio Alcaraz

  15. Current Fluctuation Analysis to Study Mg2+-Binding in the Bacterial Porin OmpF

    Article • Biophysical Journal, January 2013, Elsevier

    Professor Antonio Alcaraz

  16. Hydrophobic Pulmonary Surfactant Proteins SP-B and SP-C Induce Pore Formation in Planar Lipid Membranes: Evidence for Proteolipid Pores

    Article • Biophysical Journal, January 2013, Elsevier

    Professor Antonio Alcaraz

  17. Increased salt concentration promotes competitive block of OmpF channel by protons

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, November 2012, Elsevier

    Professor Antonio Alcaraz

  18. Coronavirus E protein forms ion channels with functionally and structurally-involved membrane lipids

    Article • Virology, October 2012, Elsevier

    Professor Antonio Alcaraz

  19. Protein Ion Channels as Molecular Ratchets. Switchable Current Modulation in Outer Membrane Protein F Porin Induced by Millimolar La 3+ Ions

    Article • The Journal of Physical Chemistry C, March 2012, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  20. Modulation of Conductance and Ion Selectivity of OmpF Porin by La3+ Ions

    Article • Biophysical Journal, January 2012, Elsevier

    Professor Antonio Alcaraz

  21. Entropic Modulation of Ion Transport through OmpF Channel. Molecular Basis of pH Sensing Derived from Cooperative Interactions

    Article • Biophysical Journal, January 2012, Elsevier

    Professor Antonio Alcaraz

  22. On Channel Activity of Synthetic Peptides Derived from Severe and Acute Respiratory Syndrome Coronavirus (SARS-CoV) E Protein

    Article • Biophysical Journal, January 2012, Elsevier

    Professor Antonio Alcaraz

  23. Divalent Metal Ion Transport across Large Biological Ion Channels and Their Effect on Conductance and Selectivity

    Article • Biochemistry Research International, January 2012, Hindawi Publishing Corporation

    Professor Antonio Alcaraz

  24. Divalent Cations Reduce the pH Sensitivity of OmpF Channel Inducing the PKA Shift of Key Acidic Residues

    Article • Biophysical Journal, February 2011, Elsevier

    Professor Antonio Alcaraz

  25. Effects of Divalent Cations on the Single-Channel Conductance of the OmpF Channel: Linearity, Saturation and Blocking

    Article • Biophysical Journal, February 2011, Elsevier

    Professor Antonio Alcaraz

  26. Measurement and Interpretation of Ion Selectivity in Wide Channels: Merging Information from Different Approaches

    Article • Biophysical Journal, February 2011, Elsevier

    Professor Antonio Alcaraz

  27. Effect of Hydrophobic Surfactant Proteins SP-B and SP-C on the Permeability of Phospholipid Membranes

    Article • Biophysical Journal, February 2011, Elsevier

    Professor Antonio Alcaraz

  28. Divalent cations reduce the pH sensitivity of OmpF channel inducing the pKashift of key acidic residues

    Article • Physical Chemistry Chemical Physics, January 2011, Royal Society of Chemistry

    Professor Antonio Alcaraz

  29. Insights on the permeability of wide protein channels: measurement and interpretation of ion selectivity

    Article • Integrative Biology, January 2011, Oxford University Press (OUP)

    Professor Antonio Alcaraz

  30. Linearity, saturation and blocking in a large multiionic channel: Divalent cation modulation of the OmpF porin conductance

    Article • Biochemical and Biophysical Research Communications, January 2011, Elsevier

    Professor Antonio Alcaraz

  31. Overcharging below the nanoscale: Multivalent cations reverse the ion selectivity of a biological channel

    Article • Physical Review E, February 2010, American Physical Society (APS)

    Professor Antonio Alcaraz

  32. Increased Salt Concentration Promotes Negative Cooperativity in OmpF Channel

    Article • Biophysical Journal, January 2010, Elsevier

    Professor Antonio Alcaraz

  33. Overcharging Below the Nanoscale: Multivalent Cations Reverse the Ion Selectivity of a Biological Channel

    Article • Biophysical Journal, January 2010, Elsevier

    Professor Antonio Alcaraz

  34. A fluid approach to simple circuits

    Article • Nature Nanotechnology, July 2009, Springer Science + Business Media

    Professor Antonio Alcaraz

  35. Ion Selectivity of a Biological Channel at High Concentration Ratio: Insights on Small Ion Diffusion and Binding

    Article • The Journal of Physical Chemistry, June 2009, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  36. Directional ion selectivity in a biological nanopore with bipolar structure

    Article • Journal of Membrane Science, April 2009, Elsevier

    Professor Antonio Alcaraz

  37. Dielectric Saturation of Water in a Protein Channel

    Article • Biophysical Journal, February 2009, Elsevier

    Professor Antonio Alcaraz

  38. Negative Cooperativity in a Protein Ion Channel Revealed by Current Noise, Conductance and Selectivity Experiments

    Article • Biophysical Journal, February 2009, Elsevier

    Professor Antonio Alcaraz

  39. Directional Ion Selectivity In An Ion Channel With Bipolar Charge Distribution

    Article • Biophysical Journal, February 2009, Elsevier

    Professor Antonio Alcaraz

  40. Dielectric saturation of water in a membrane protein channel

    Article • Physical Chemistry Chemical Physics, January 2009, Royal Society of Chemistry

    Professor Antonio Alcaraz

  41. Diffusion, Exclusion, and Specific Binding in a Large Channel: A Study of OmpF Selectivity Inversion

    Article • Biophysical Journal, January 2009, Elsevier

    Professor Antonio Alcaraz

  42. Electrostatic properties and macroscopic electrodiffusion in OmpF porin and mutants

    Article • Bioelectrochemistry, May 2007, Elsevier

    Professor Antonio Alcaraz

  43. A pH-Tunable Nanofluidic Diode:  Electrochemical Rectification in a Reconstituted Single Ion Channel

    Article • The Journal of Physical Chemistry, October 2006, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  44. Salting Out the Ionic Selectivity of a Wide Channel: The Asymmetry of OmpF

    Article • Biophysical Journal, August 2004, Elsevier

    Professor Antonio Alcaraz

  45. Modeling of pH-Switchable Ion Transport and Selectivity in Nanopore Membranes with Fixed Charges

    Article • The Journal of Physical Chemistry, November 2003, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  46. Simple molecular model for the binding of antibiotic molecules to bacterial ion channels

    Article • The Journal of Chemical Physics, October 2003, American Institute of Physics

    Professor Antonio Alcaraz

  47. Heat loss and hypothermia in free diving: Estimation of survival time under water

    Article • American Journal of Physics, January 2003, American Association of Physics Teachers (AAPT)

    Professor Antonio Alcaraz

  48. Comment on “Role of the centrifugal force in vehicle roll,” by Rod Cross [Am. J. Phys. 67 (5), 447–448 (1998)]

    Article • American Journal of Physics, January 2002, American Association of Physics Teachers (AAPT)

    Professor Antonio Alcaraz

  49. Conductive and Capacitive Properties of the Bipolar Membrane Junction Studied by AC Impedance Spectroscopy †

    Article • The Journal of Physical Chemistry, November 2001, American Chemical Society (ACS)

    Professor Antonio Alcaraz

  50. Modeling of Amino Acid Electrodiffusion through Fixed Charge Membranes

    Article • Journal of Colloid and Interface Science, October 2001, Elsevier

    Professor Antonio Alcaraz

  51. The role of the salt electrolyte on the electrical conductive properties of a polymeric bipolar membrane

    Article • Journal of Electroanalytical Chemistry, October 2001, Elsevier

    Professor Antonio Alcaraz

  52. Effects of water dielectric saturation on the space–charge junction of a fixed-charge bipolar membrane

    Article • Chemical Physics Letters, August 2000, Elsevier

    Professor Antonio Alcaraz

  53. pH and supporting electrolyte concentration effects on the passive transport of cationic and anionic drugs through fixed charge membranes

    Article • Journal of Membrane Science, August 1999, Elsevier

    Professor Antonio Alcaraz

  54. AC impedance spectra of bipolar membranes: an experimental study

    Article • Journal of Membrane Science, November 1998, Elsevier

    Professor Antonio Alcaraz

  55. Electric field-assisted proton transfer and water dissociation at the junction of a fixed-charge bipolar membrane

    Article • Chemical Physics Letters, September 1998, Elsevier

    Professor Antonio Alcaraz

  56. Model calculations of ion transport against its concentration gradient when the driving force is a pH difference across a charged membrane

    Article • Journal of Membrane Science, November 1997, Elsevier

    Professor Antonio Alcaraz

  57. Effects of pH on ion transport in weak amphoteric membranes

    Article • Journal of Electroanalytical Chemistry, October 1997, Elsevier

    Professor Antonio Alcaraz