M. Mazzanti

Publication List Details

Period

1983 - 2008

Number

159

Co-Authors

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

channel in (2008)

R. Tonini, F. Grohovaz, M. Mazzanti

Gating mechanism of the nuclear pore complex

Response Uniformity of the ATLAS Liquid Argon Electromagnetic Calorimeter (2007)

Aharrouche, M., Colas, J., Di Ciaccio, L., Kacimi, M. El, Gaumer, O., Gouanere, M., ...

The construction of the ATLAS electromagnetic liquid argon calorimeter modules is completed and all the modules are assembled and inserted in the cryostats. During the production period four barrel...

Energy linearity and resolution of the ATLAS electromagnetic barrel calorimeter in an electron test-beam (2006)

Aharrouche, M., Colas, J., Di Ciaccio, L., El Kacimi, M., Gaumer, O., Gouanère, M., ...

A module of the ATLAS electromagnetic barrel liquid argon calorimeter was exposed to the CERN electron test-beam at the H8 beam line upgraded for precision momentum measurement. The available...

Energy Linearity and Resolution of the ATLAS Electromagnetic Barrel Calorimeter in an Electron Test-Beam (2006)

Aharrouche, M, Colas, Jacques, Di Ciaccio, L, El-Kacimi, M, Gaumer, O, Gouanère, M, ...

A module of the ATLAS electromagnetic barrel liquid argon calorimeter was exposed to the CERN electron test-beam at the H8 beam line upgraded for precision momentum measurement. The available...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2006)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2006)

Aubert, B., Beaugiraud, B., Colas, J., Delebecque, P., Di Ciaccio, L., El Kacimi, M., ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2006)

Aubert, B., Beaugiraud, B., Colas, J., Delebecque, P., Di Ciaccio, L., El Kacimi, M., ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Energy linearity and resolution of the ATLAS electromagnetic barrel calorimeter in an electron test-beam (2006)

Aharrouche, M., Colas, J., Di Ciaccio, L., El Kacimi, M., Gaumer, O., Gouanère, M., ...

A module of the ATLAS electromagnetic barrel liquid argon calorimeter was exposed to the CERN electron test-beam at the H8 beam line upgraded for precision momentum measurement. The available...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2006)

Aubert, B., Beaugiraud, B., Colas, J., Delebecque, P., Di Ciaccio, L., El Kacimi, M., ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2006)

Aubert, B., Beaugiraud, B., Colas, J., Delebecque, P., Di Ciaccio, L., El Kacimi, M., ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2006)

Aubert, B., Beaugiraud, B., Colas, J., Delebecque, P., Di Ciaccio, L., El Kacimi, M., ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Construction, assembly and tests of the ATLAS electromagnetic barrel calorimeter (2005)

Aubert, B, Beaugiraud, B, Colas, Jacques, Delebecque, P, Di Ciaccio, L, El-Kacimi, M, ...

The construction and assembly of the two half barrels of the ATLAS central electromagnetic calorimeter and their insertion into the barrel cryostat are described. The results of the qualification...

Position resolution and particle identification with the ATLAS EM calorimeter (2005)

Colas, J., Di Ciaccio, L., El Kacimi, M., Gaumer, O., Gouanère, M., Goujdami, D., ...

In the years between 2000 and 2002 several pre-series and series modules of the ATLAS EM barrel and end-cap calorimeter were exposed to electron, photon and pion beams. The performance of the...

Development and construction of large size signal electrodes for the ATLAS electromagnetic calorimeter (2005)

Aubert, B., Ballansat, J., Colas, J., Girard, C., Jérémie, A., Jézéquel, S., ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Position resolution and particle identification with the ATLAS EM calorimeter (2005)

Colas, J., Di Ciaccio, L., El Kacimi, M., Gaumer, O., Gouanère, M., Goujdami, D., ...

In the years between 2000 and 2002 several pre-series and series modules of the ATLAS EM barrel and end-cap calorimeter were exposed to electron, photon and pion beams. The performance of the...

Development and construction of large size signal electrodes for the ATLAS electromagnetic calorimeter (2005)

Aubert, B., Ballansat, J., Colas, J., Girard, C., Jérémie, A., Jézéquel, S., ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Development and construction of large size signal electrodes for the ATLAS electromagnetic calorimeter (2005)

Aubert, B., Ballansat, J., Colas, J., Girard, C., Jérémie, A., Jézéquel, S., ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Development and construction of large size signal electrodes for the ATLAS electromagnetic calorimeter (2005)

Aubert, B., Ballansat, J., Colas, J., Girard, C., Jérémie, A., Jézéquel, S., ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Development and construction of large size signal electrodes for the ATLAS electromagnetic calorimeter (2005)

Aubert, B., Ballansat, J., Colas, J., Girard, C., Jérémie, A., Jézéquel, S., ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Development and Construction of Large Size Signal Electrodes for the ATLAS Electromagnetic Calorimeter (2004)

Aubert, B, Ballansat, J, Colas, Jacques, Girard, C, Jérémie, A, Jézéquel, S, ...

We describe the electric circuits (electrodes) which polarize and read out the Lead-Liquid Argon electromagnetic calorimeter for the ATLAS detector. The paper covers design and material choices of...

Performance of the ATLAS Electromagnetic Calorimeter End-cap Module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the ATLAS electromagnetic calorimeter barrel module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2002)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2002)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

Test beam results of a stereo preshower integrated in the liquid argon accordion calorimeter (1997)

Davis, R, Gingrich, D M, Greenious, G, Kitching, P, Olsen, B, Pinfold, James L, ...

This paper describes the construction of an integrated preshower within the RD3 liquid argon accordion calorimeter. It has a stereo view which enables the measurement of two transverse coordinates....

Construction and test of a fine-grained liquid argon preshower prototype (1997)

Davis, R., Gingrich, D M., Pinfold, J., Rodning, N L., Boos, E., Zhautykov, B O., ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Performance of an endcap prototype of the Atlas accordion electromagnetic calorimeter (1997)

Gingrich, D.M., Pinfold, J L., Boos, E., Zhautykov, B O., Aubert, B., Bazan, A., ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Construction and test of a fine-grained liquid argon preshower prototype (1997)

Davis, R., Gingrich, D M., Pinfold, J., Rodning, N L., Boos, E., Zhautykov, B O., ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Performance of an endcap prototype of the Atlas accordion electromagnetic calorimeter (1997)

Gingrich, D.M., Pinfold, J L., Boos, E., Zhautykov, B O., Aubert, B., Bazan, A., ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Construction and test of a fine-grained liquid argon preshower prototype (1997)

Davis, R., Gingrich, D M., Pinfold, J., Rodning, N L., Boos, E., Zhautykov, B O., ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Performance of an endcap prototype of the Atlas accordion electromagnetic calorimeter (1997)

Gingrich, D.M., Pinfold, J L., Boos, E., Zhautykov, B O., Aubert, B., Bazan, A., ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Construction and test of a fine-grained liquid argon preshower prototype (1997)

Davis, R., Gingrich, D M., Pinfold, J., Rodning, N L., Boos, E., Zhautykov, B O., ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Performance of an endcap prototype of the Atlas accordion electromagnetic calorimeter (1997)

Gingrich, D.M., Pinfold, J L., Boos, E., Zhautykov, B O., Aubert, B., Bazan, A., ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Construction and test of a fine-grained liquid argon preshower prototype (1997)

Davis, R., Gingrich, D M., Pinfold, J., Rodning, N L., Boos, E., Zhautykov, B O., ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Performance of an endcap prototype of the Atlas accordion electromagnetic calorimeter (1997)

Gingrich, D.M., Pinfold, J L., Boos, E., Zhautykov, B O., Aubert, B., Bazan, A., ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Performance of an endcap prototype of the ATLAS accordion electromagnetic calorimeter (1996)

Gingrich, D M, Pinfold, James L, Boos, E, Zhautykov, B O, Aubert, Bernard, Bazan, A, ...

The design and construction of a lead-liquid argon endcap calorimeter prototype using an accordion geometry and conceived as a sector of the inner wheel of the endcap calorimeter of the future ATLAS...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1996)

Ajaltouni, Ziad J, Albiol, F, Alifanov, A, Amaral, P, Ambrosini, G, Amorim, A, ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Construction and test of a fine-grained liquid argon preshower prototype (1996)

Davis, R, Gingrich, D M, Pinfold, J L, Rodning, N L, Boos, E, Zhautykov, B O, ...

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5~10$^{\mathrm{-3}}$ was studied by the RD3 collaboration. A prototype covering approximately 0.8...

Na channels that remain open throughout the cardiac action potential plateau.

Liu, Y M, DeFelice, L J, Mazzanti, M

In this paper we report the direct measurement of rare Na channel events that occur during the cardiac action potential, viz., channels that open at the upstroke and remain open throughout the...

Effect of firing rate on the calcium permeability in adult neurons during spontaneous action potentials.

Mazzanti, M, Galli, A, Ferroni, A

Calcium channels in neurons mediate a wide variety of essential functions. In addition to contributing to action potential shape, they furnish a substrate that acts as an intracellular second...

Outward sodium current in beating heart cells.

Wellis, D P, DeFelice, L J, Mazzanti, M

This article is a study of the fast Na current during action potentials. We have investigated the outward Na current (Mazzanti, M., and L.J. DeFelice. 1987. Biophys. J. 52:95-100) in more detail, and...

Ca channel gating during cardiac action potentials.

Mazzanti, M, DeFelice, L J

How do Ca channels conduct Ca ions during the cardiac action potential? We attempt to answer this question by applying a two-microelectrode technique, previously used for Na and K currents, in which...

Calcium protects differentiating neuroblastoma cells during 50 Hz electromagnetic radiation.

Tonini, R, Baroni, M D, Masala, E, Micheletti, M, Ferroni, A, Mazzanti, M

Despite growing concern about electromagnetic radiation, the interaction between 50- to 60-Hz fields and biological structures remains obscure. Epidemiological studies have failed to prove a...

Regulation of the Na-conducting Ca channel during the cardiac action potential.

Mazzanti, M, DeFelice, L J

This paper describes the kinetics of an Na-conducting channel during spontaneous action potentials in beating heart cells and during simulated action potentials driven from the patch when the cell is...

Na channel kinetics during the spontaneous heart beat in embryonic chick ventricle cells.

Mazzanti, M, DeFelice, L J

Using cell-attached and whole-cell recording techniques simultaneously allows the measurement of Na currents during action potentials in beating heart cells. In 7-d chick ventricle, the dynamic...

K channel kinetics during the spontaneous heart beat in embryonic chick ventricle cells.

Mazzanti, M, DeFelice, L J

By averaging the current that passes through cell-attached patches on beating heart cells, while measuring action potentials with a whole-cell electrode, we were able to study K channels during...

Inactivation of single Ca2+ channels in rat sensory neurons by extracellular Ca2+.

Galli, A, Ferroni, A, Bertollini, L, Mazzanti, M

1. Single Ca2+ channels conducting 20 mM Ba2+ from adult rat dorsal root ganglion cells were characterized using the two-electrode patch-clamp technique configuration. 2. Channels demonstrating...

Gating of L-type Ca2+ channels in embryonic chick ventricle cells: dependence on voltage, current and channel density.

Mazzanti, M, DeFelice, L J, Liu, Y M

1. L-type calcium channels in embryonic chick heart ventricle have voltage-dependent, time-variant kinetics when they conduct inward currents carried by 20 mM-Ba2+. Depolarizing the membrane from -20...

Properties of the hyperpolarizing-activated current (if) in cells isolated from the rabbit sino-atrial node.

DiFrancesco, D, Ferroni, A, Mazzanti, M, Tromba, C

Individual cells were isolated from the sino-atrial node area of the rabbit heart using an enzyme medium containing collagenase and elastase. After enzymatic treatment the cells were placed in normal...

Inactivation of single Ca2+ channels in rat sensory neurons by extracellular Ca2+.

Galli, A, Ferroni, A, Bertollini, L, Mazzanti, M

1. Single Ca2+ channels conducting 20 mM Ba2+ from adult rat dorsal root ganglion cells were characterized using the two-electrode patch-clamp technique configuration. 2. Channels demonstrating...

Gating of L-type Ca2+ channels in embryonic chick ventricle cells: dependence on voltage, current and channel density.

Mazzanti, M, DeFelice, L J, Liu, Y M

1. L-type calcium channels in embryonic chick heart ventricle have voltage-dependent, time-variant kinetics when they conduct inward currents carried by 20 mM-Ba2+. Depolarizing the membrane from -20...

Properties of the hyperpolarizing-activated current (if) in cells isolated from the rabbit sino-atrial node.

DiFrancesco, D, Ferroni, A, Mazzanti, M, Tromba, C

Individual cells were isolated from the sino-atrial node area of the rabbit heart using an enzyme medium containing collagenase and elastase. After enzymatic treatment the cells were placed in normal...

Na channels that remain open throughout the cardiac action potential plateau.

Liu, Y M, DeFelice, L J, Mazzanti, M

In this paper we report the direct measurement of rare Na channel events that occur during the cardiac action potential, viz., channels that open at the upstroke and remain open throughout the...

Effect of firing rate on the calcium permeability in adult neurons during spontaneous action potentials.

Mazzanti, M, Galli, A, Ferroni, A

Calcium channels in neurons mediate a wide variety of essential functions. In addition to contributing to action potential shape, they furnish a substrate that acts as an intracellular second...

Outward sodium current in beating heart cells.

Wellis, D P, DeFelice, L J, Mazzanti, M

This article is a study of the fast Na current during action potentials. We have investigated the outward Na current (Mazzanti, M., and L.J. DeFelice. 1987. Biophys. J. 52:95-100) in more detail, and...

Ca channel gating during cardiac action potentials.

Mazzanti, M, DeFelice, L J

How do Ca channels conduct Ca ions during the cardiac action potential? We attempt to answer this question by applying a two-microelectrode technique, previously used for Na and K currents, in which...

Calcium protects differentiating neuroblastoma cells during 50 Hz electromagnetic radiation.

Tonini, R, Baroni, M D, Masala, E, Micheletti, M, Ferroni, A, Mazzanti, M

Despite growing concern about electromagnetic radiation, the interaction between 50- to 60-Hz fields and biological structures remains obscure. Epidemiological studies have failed to prove a...

Regulation of the Na-conducting Ca channel during the cardiac action potential.

Mazzanti, M, DeFelice, L J

This paper describes the kinetics of an Na-conducting channel during spontaneous action potentials in beating heart cells and during simulated action potentials driven from the patch when the cell is...

Na channel kinetics during the spontaneous heart beat in embryonic chick ventricle cells.

Mazzanti, M, DeFelice, L J

Using cell-attached and whole-cell recording techniques simultaneously allows the measurement of Na currents during action potentials in beating heart cells. In 7-d chick ventricle, the dynamic...

K channel kinetics during the spontaneous heart beat in embryonic chick ventricle cells.

Mazzanti, M, DeFelice, L J

By averaging the current that passes through cell-attached patches on beating heart cells, while measuring action potentials with a whole-cell electrode, we were able to study K channels during...