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. 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

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

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

    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 La3+

    Article • Langmuir, November 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 La3+ 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 B, 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 B, September 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 B, 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. Modeling of Amino Acid Electrodiffusion through Fixed Charge Membranes

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

    Professor Antonio Alcaraz

  50. 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

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

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

    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