S. Alberti

Details der Publikationsliste

Zeitraum

1985 - 2009

Anzahl

441

Co-Autoren

Modulated ECCD experiments on TCV EX/P3-3 (2009)

S. Cirant, S. Alberti, R. Behn, T. P. Goodman, E. Lazzaro

Abstract Experiments were previously performed on TCV using Switched Electron Cyclotron Current Drive (SECCD) in which the total heating power and plasma current were kept nearly constant in time...

Status of development of high power coaxial-cavity gyrotron at FZK. (2009)

Gantenbein, G., Rzesnicki, T., Alberti, S., Goodman, T., Hogge, J.P., Illy, S., ...

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Testing and development of a 1MW/170GHz coaxial-cavity gyrotron for ITER and the CRPP gyrotron test stand. (2009)

Porte, L., Alberti, S., Albajar, F., Avramides, K.A., Benin, P., Bin, W., ...

5th IAEA Technical Meeting on ECRH Physics and Technology for Large Fusion Devices, Gandhinagar, IND, February 18-20, 2009

Design of a frequency-tunable gyrotron for DNP-enhanced NMR spectroscopy. (2009)

Alberti, S., Ansermet, J.P., Avramides, K.A., Fasel, D., Hogge, J.P., Kern, S., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Gun design criteria for the refurbishment of the first prototype of the EU 170GHz/2MW/CW coaxial cavity gyrotron for ITER. (2009)

Pagonakis, I.G., Hogge, J.P., Goodman, T., Alberti, S., Piosczyk, B., Illy, S., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Recent progress in the ITER EC H&CD system. (2009)

Henderson, M., Albajar, F., Alberti, S., Baruah, U., Bigelow, T., Becket, B., ...

US-EU-JPN RF Heating Technology Workshop, Dazaifu-City, Fukuoka, J, September 16-18, 2009

An overview of the ITER electron cyclotron H&CD system (2009)

Henderson, M., Albajar, F., Alberti, S., Baruah, U., Bigelow, T., Becket, B., ...

34th Internat.Conf.on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2009), Busan, Korea, September 21-25, 2009

Physics Insight and Performance Benefit from Plasma Shaping Experiments in MHD and Energy Transport in the TCV Tokamak (2008)

Pochelon, A., Brunner, S., Camenen, Y., Coda, S., Graves, J., Marinoni, A., ...

The unique flexibility of TCV in plasma shaping has been exploited to address different aspects of tokamak physics in which the plasma shape may play a role. This paper summarizes the experiments...

Status of the European 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2008)

Piosczyk, B., Alberti, S., Albajar, F., Avramidis, K., Benin, P., Bonicelli, T., ...

7th Internat.Workshop Strong Microwaves: Sources and Applications, Nizhny Novgorod, Russia, July 27 - August 2, 2008

A revised ITER EC system baseline design proposal. (2008)

Henderson, M.A., Alberti, S., Chavan, R., Fasel, D., Goodman, T.P., Pagonakis, I.G., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

First experimental results from the EU 2 MW coaxial cavity ITER gyrotron prototype. (2008)

Goodman, T.P., Alberti, S., Droz, E., Fasel, D., Hogge, J.P., Porte, L., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

Progess of the European 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2008)

Thumm, M., Flamm, J., Gantenbein, G., Illy, S., Jin, J., Kern, S., ...

Workshop on RF-Heating Technology of Fusion Plasmas 2008, San Diego, Calif., September 10-12, 2008

Status of development of the 2MW, 170 GHz coaxial-cavity gyrotron for ITER. (2008)

Alberti, S., Albajar, F., Avramides, K.A., Benin, P., Bin, W., Bonicelli, T., ...

Internat.Conf.on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Pasadena, Calif., September 15-19, 2008

EU megawatt-class 140-GHz CW gyrotron (2007)

Thumm, M., Alberti, S., Arnold, A., Brand, P., Braune, H., Dammertz, G., ...

The first series tube of the gyrotrons for the 10-MW electron cyclotron resonance heating system of the stellarator W7-X was tested at Forschungszentrum Karlsruhe (FZK) and yielded a total output...

Plasma dynamics with second and third-harmonic ECRH and access to quasi-stationary ELM-free H-mode on TCV (2007)

Porte, L., Coda, S., Alberti, S., Arnoux, G., Blanchard, P., Bortolon, A., ...

Intense electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are employed on the Tokamak a Configuration Variable (TCV) both in second- and third-harmonic X-mode...

Current profile tailoring using localized electron cyclotron heating in highly elongated TCV plasmas (2007)

Camenen, Y., Hofmann, Y. C. F., Pochelon, A., Scarabosio, A., Alberti, S., Arnoux, G., ...

Radially localized electron cyclotron heating (ECH) at the 2nd harmonic (X2) is used to tailor the current profile through the modification of the temperature, and hence conductivity, profiles. The...

Magnetic confinement fusion - Plasma heating with millimetre waves (2007)

Alberti, S.

The need for an intense source of coherent, millimetre-wavelength radiation to heat a fusion plasma and control its instabilities represents a significant challenge in the development of the ITER...

High-power experiments with 140 GHz series gyrotrons for W7-X. (2007)

Gantenbein, G., Braune, H., Dammertz, G., Alberti, S., Erckmann, V., Hogge, J.P., ...

8th IEEE Internat.Vacuum Electronics Conf. (IVEC 2007), Kitakyushu, J, May 15-17, 2007

Status of the 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2007)

Piosczyk, B., Albajar, F., Alberti, S., Benin, P., Bin, W., Bonicelli, T., ...

4th IAEA Technical Meeting on ECRH Physics and Technology for ITER, Wien, A, June 6-8, 2007

EU megawatt-class 140-GHz CW gyrotron. (2007)

Thumm, M., Alberti, S., Arnold, A., Brand, P., Braune, H., Dammertz, G., ...

IEEE Transactions on Plasma Science, 35(2007) S.143-53

170 GHz, 2 MW coaxial cavity gyrotron - status. (2007)

Piosczyk, B., Albajar, F., Alberti, S., Benin, P., Bin, W., Bonicelli, T., ...

19th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, July 18-24, 2007

Critical issues associated with the ITER ECH system. (2007)

Henderson, M.A., Saibene, G., Albajar, F., Alberti, S., Bonicelli, T., Chavan, R., ...

Workshop on RF Heating Technology of Fusion Plasmas, Heidelberg, September 10- 12, 2007

Status of the 2 MW, 170 GHz coaxial cavity gyrotron for ITER. (2007)

Piosczyk, B., Rzesnicki, T., Albajar, F., Alberti, S., Benin, P., Bin, W., ...

Workshop on RF Heating Technology of Fusion Plasmas, Heidelberg, September 10- 12, 2007

Third harmonic EC heating of ELMy H-mode in TCV (2006)

Martin, Y. R., Porte, L., Alberti, S.

Ohmic H-mode discharges in the Tokamak Configuration Variable (TCV) have recently been heated for the first time by electron cyclotron (EC) waves at the 3rd harmonic (X3) at full power. New edge...

High-power gyrotron development at Forschungszentrum Karlsruhe for fusion applications (2006)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Brand, P., Braune, H., ...

In the first part of this paper, the status of the 140-GHz continuously operated gyrotrons with an output power of I MW for the stellarator Wendelstein 7-X will be described. With the first series...

The effect of ECRH on the electron velocity distribution function (2006)

Coda, S., Klimanov, I., Alberti, S., Arnoux, G., Blanchard, P., Fasoli, A.

Electron cyclotron resonance heating (ECRH) is a mature technology that has progressed constantly over a period of forty years, particularly as a tool in magnetic confinement fusion. As with other...

Shear modulation experiments with ECCD on TCV (2006)

Cirant, S., Alberti, S., Gandini, F., Behn, R., Goodman, T., Nikkola, P.

Anomalous electron transport is determined by turbulence, which in turn is affected by magnetic shear. A novel application of electron cyclotron current drive (ECCD), aiming at localized shear...

High power gyrotron development in EU for present fusion experiments and for ITER. (2006)

Thumm, M., Alberti, S., Arnold, A., Bariou, D., Dammertz, G., Darbos, C., ...

Workshop on Electron Cyclotron Masers (ECMs) for Fusion Engineering and other Applications (EFEA-2006), Roorkee, IND, April 18, 2006

Status of the 1-MW, 140 GHz, CW gyrotron for W7-X. (2006)

Gantenbein, G., Dammertz, G., Alberti, S., Arnold, A., Erckmann, V., Giguet, E., ...

2006 IEEE Internat.Vacuum Electronics Conf.held jointly with the 2006 IEEE Internat.Vacuum Electron Sources Conf. (IVEC/IVESC 2006), Monterey, Calif., April 25-27, 2006

EU megawatt-class 140 GHz CW gyrotron. (2006)

Thumm, M., Arnold, A., Dammertz, G., Gantenbein, G., Heidinger, R., Illy, S., ...

33rd IEEE Internat.Conf.on Plasma Science (ICOPS 2006), Traverse City, Mich., June 4-8, 2006

Status of the 1-MW, 140-GHz, CW series-gyrotrons for W7-X. (2006)

Dammertz, G., Alberti, S., Arnold, A., Erckmann, V., Gantenbein, G., Giguet, E., ...

18th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 20-27, 2006

EU megawatt-class 140 GHz CW gyrotron for W7-X. (2006)

Thumm, M., Arnold, A., Dammertz, G., Gantenbein, G., Heidinger, R., Illy, S., ...

Nat.Symp.on Vacuum Electronic Devices and Applications (VEDA), Central Electronics Engineering Research Institute (CEERI), Pilani, IND, October 11-13, 2006

EC power sources: European technological developments towards ITER. (2006)

Bonicelli, T., Alberti, S., Cirant, S., Dormicchi, O., Fasel, D., Hogge, J.P., ...

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

EU developments of the ITER ECRH system. (2006)

Henderson, M.A., Alberti, S., Benin, P., Bonicelli, T., Chavan, R., Campbell, D., ...

24th Symp.on Fusion Technology (SOFT 2006), Warszawa, PL, September 11-15, 2006

Neuronal migration in the murine rostral migratory stream requires serum response factor. (2005)

Alberti,S., Krause,S.M., Kretz,O., Philippar,U., Lemberger,T., Casanova,E., ...

The central nervous system is fundamentally dependent on guided cell migration, both during development and in adulthood. We report an absolute requirement of the transcription factor serum response...

Neuronal migration in the murine rostral migratory stream requires serum response factor. (2005)

Alberti, S., Krause, S.M., Kretz, O., Philippar, U., Lemberger, T., Casanova, E., ...

The central nervous system is fundamentally dependent on guided cell migration, both during development and in adulthood. We report an absolute requirement of the transcription factor serum response...

Electron cyclotron emission spectrometry on the Tokamak a Configuration Variable (2005)

Klimanov, I., Porte, L., Alberti, S., Blanchard, P., Fasoli, A., Goodman, T. P.

Electron cyclotron emission (ECE) measurements are an important component of the diagnostic suite on the Tokamak a Configuration Variable (TCV) [F. Hoffman , Plasma Phys. Controlled Fusion 36, B277...

Safety factor profile requirements for electron ITB formation in TCV (2005)

Goodman, T. P., Behn, R., Camenen, Y., Coda, S., Fable, E., Henderson, M. A., ...

On the Tokamak a Configuration Variable (TCV), electron internal transport barriers (eITBs) can be formed during a gradual evolution from a centrally peaked to a hollow current profile while all...

140 GHz high-power gyrotron development for the stellarator W7-X (2005)

Dammertz, G., Alberti, S., Bariou, D., Brand, P., Braune, H., Erckmann, V., ...

Electron cyclotron resonance heating (ECRH) has proven to be one of the most attractive heating schemes for stellarators. Therefore, ECRH was chosen to be the main heating method for the Wendelstein...

Development of multimegawatt gyrotrons for fusion plasma heating and current drive (2005)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Borie, E., Brand, P., ...

High-frequency gyrotrons; with high output power are mainly used for microwave heating and current drive in plasmas for thermonuclear fusion. The development of high-power gyrotrons; in continuous...

Third harmonic X-mode absorption in a top-launch configuration on the TCV tokamak (2005)

Arnoux, G., Alberti, S., Porte, L., Nelson-Melby, E., Hogge, J. P.

In addition to the second harmonic X-mode (X2) electron cyclotron heating (ECH), the TCV ECH system has been completed with three 450 kW gyrotrons operating at the frequency of 118 GHz for third...

Third-harmonic, top-launch, ECRH experiments on TCV tokamak (2005)

Alberti, S., Arnoux, G., Porte, L., Hogge, J. P., Marletaz, B., Marmillod, P., ...

In the moderate magnetic field of TCV (1.5 T), the recently installed X3 system (3 gyrotrons, 118 GHz, 0.45 MW each, 2 s) broadens the operational space with the possibility of heating plasmas at...

Third-harmonic X-mode, real-time controlled top-launch ECW experiments on TCV Tokamak (2005)

Alberti, S., Arnoux, G, Porte, L, Bortolon, A, Karpushov, A, Martin, Y, ...

In the moderate magneticfield of TCV (1.5T), the recently installed X3 system (3 gyrotrons @118 GHz, 0.45 MW/each, 2s) broadens the operational space with the possibility of heating plasmas at high...

Development of a 2-MW, CW coaxial gyrotron at 170 GHz and test facility for ITER. (2005)

Hogge, J.P., Alberti, S., Arnold, A., Bariou, D., Benin, P., Bonicelli, T., ...

3rd IAEA Technical Meeting on ECRH Physics and Technology for ITER, Como, I, May 2-4, 2005

Gyrotron development in EU for present fusion experiments and for ITER. (2005)

Thumm, M., Alberti, S., Arnold, A., Bariou, D., Dammertz, G., Darbos, C., ...

7th Internat.High Energy Density and High Power RF Workshop, Kalamata, GR, June 13-17, 2005

Progress in the development of the 170 GHz coaxial cavity gyrotron for ITER. (2005)

Piosczyk, B., Alberti, S., Bariou, D., Benin, P., Bonicelli, T., Dammertz, G., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Status of 1 MW, 140 GHz, CW gyrotron for W7-X. (2005)

Thumm, M., Alberti, S., Arnold, A., Dammertz, G., Erckmann, V., Gantenbein, G., ...

6th Internat.Workshop on Strong Microwaves in Plasmas, Nizhny-Novgorod, Russia, July 25 - August 1, 2005

Experimental results on the 140 GHz, 1 MW, CW gyrotrons for the stellarator W7-X. (2005)

Dammertz, G., Alberti, S., Arnold, A., Bariou, D., Borie, E., Brand, P., ...

IRMMW-THz 2005 : The Joint 30th Internat.Conf.on Infrared and Millimeter Waves and 13th Internat.Conf.on Terahertz Electronics, Williamsburg, Va., September 19-23, 2005

Experimental results on the 1st series-tube of the 140 GHz, 1 MW, CW gyrotron. (2005)

Dammertz, G., Alberti, S., Arnold, A., Brand, P., Braune, H., Borie, E., ...

17th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Greifswald, May 30 - June 4, 2005

SRF regulates Bcl-2 expression and promotes cell survival during murine embryonic development. (2004)

Schratt,G., Philippar,U., Hockemeyer,D., Schwarz,Heinz, Alberti,S., Nordheim,A.

The transcription factor serum response factor (SRF) controls the expression of genes involved in cellular proliferation and differentiation. Interestingly, SRF also promotes cell survival by...

SRF regulates Bcl-2 expression and promotes cell survival during murine embryonic development. (2004)

Schratt, G., Philippar, U., Hockemeyer, D., Schwarz, Heinz, Alberti, S., Nordheim, A.

The transcription factor serum response factor (SRF) controls the expression of genes involved in cellular proliferation and differentiation. Interestingly, SRF also promotes cell survival by...

Development of multimegawatt gyrotrons for fusion plasma heating and current drive. (2004)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

5th IEEE Internat.Vacuum Electronics Conf.(IVEC 2004), Monterey, Calif., April 27-29, 2004

Development of a 2 MW, CW, 170 GHz coaxial cavity gyrotrons for ITER. (2004)

Hogge, J.P., Alberti, S., Arnold, A., Bariou, D., Beunas, A., Bonicelli, T., ...

13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Nizhny Novgorod, Russia, May 17-20, 2004

New design of the gyrotron used for ECRH experiments on Tore Supra. (2004)

Darbos, C., Alberti, S., Arnold, A., Bariou, D., Bouquey, F., Clary, J., ...

13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Nizhny Novgorod, Russia, May 17-20, 2004

Improvement of the gyrotron TH 1506B for Tore Supra. (2004)

Magne, R., Bouquey, F., Clary, J., Darbos, C., Jung, M., Lambert, R., ...

5th IEEE Internat.Vacuum Electronics Conf.(IVEC 2004), Monterey, Calif., April 27-29, 2004

The 140-GHz 1-MW CW gyrotron for the stellarator W7-X. (2004)

Dammertz, G., Arnold, A., Borie, E., Heidinger, R., Illy, S., Koppenburg, K., ...

Displays and Vacuum Electronics : Proc.of the 10th Triennial ITG-Conf., Garmisch-Partenkirchen, May 3-4, 2004

Development of high power gyrotrons for fusion plasma applications in the EU. (2004)

Tran, M.Q., Alberti, S., Arnold, A., Bariou, D., Borie, E., Dammertz, G., ...

Conference Digest of the Joint 29th Internat.Conf.on Infrared and Millimeter Waves and 12th Internat.Conf.on Terahertz Electronics, Karlsruhe, September 27 - October 1, 2004

Status of the 1 MW, CW gyrotrons for the stellarator W7-X. (2004)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Brand, P., Braune, H., ...

Conference Digest of the Joint 29th Internat.Conf.on Infrared and Millimeter Waves and 12th Internat.Conf.on Terahertz Electronics, Karlsruhe, September 27 - October 1, 2004

Improved 118 GHz gyrotron for ECRH experiments on Tore Supra. (2004)

Lievin, C., Darbos, C., Alberti, S., Arnold, A., Bariou, D., Bouquey, F., ...

23rd Symp.on Fusion Technology (SOFT), Venezia, I, September 20-24, 2004

Progress in the development of 1-MW, CW gyrotrons for the Stellarator W7-X. (2004)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

13th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Nizhny Novgorod, Russia, May 17-20, 2004

Design and R&D of an ECRH system on JET (2003)

Verhoeven,A. G. A., Bongers,W. A., Elzendoorn,B. S. Q., Graswinckel,M., Hellingman,P., Kooijman,W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced-performance project (JET-EP) under the European Fusion Development Agreement...

The design of the JET-ECRH system and design considerations for ITER (2003)

Verhoeven,A. G. A., Bongers,W. A., Elzendoorn,B. S. Q., Graswinckel,M., Hellingman,P., Kooijman,W., ...

An ECRH (Electron Cyclotron Resonance Heating) system has been designed for JET in the framework of the JET Enhanced-Performance project (JET-EP) under the European Fusion Development Agreement...

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV) (2003)

Henderson,M. A., Alberti,S., Angioni,C., Arnoux,G., Behn,R., Blanchard,P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of recent results from the TCV Tokamak (2003)

Goodman,T. P., Ahmed,S. M., Alberti,S., Andrèbe,Y., Angioni,C., Appert,K., ...

The TCV tokamak ( R = 0.88 m, κ = 2.5, are produced at low normalized current using far off-axis EC heating (ECH) and ECCD to broaden the current profile. Third harmonic heating is used to heat the...

The design of an ECRH system for JET-EP (2003)

Verhoeven,A. G. A., Bongers,W. A., Elzendoorn,B. S. Q., Graswinckel,M., Hellingman,P., Kooijman,W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced performance project (JET-EP) under the European fusion development agreement. Due...

Design and R&D of an ECRH system on JET (2003)

Verhoeven, A. G. A., Bongers, W. A., Elzendoorn, B. S. Q., Graswinckel, M., Hellingman, P., Kooijman, W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced-performance project (JET-EP) under the European Fusion Development Agreement...

The design of the JET-ECRH system and design considerations for ITER (2003)

Verhoeven, A. G. A., Bongers, W. A., Elzendoorn, B. S. Q., Graswinckel, M., Hellingman, P., Kooijman, W., ...

An ECRH (Electron Cyclotron Resonance Heating) system has been designed for JET in the framework of the JET Enhanced-Performance project (JET-EP) under the European Fusion Development Agreement...

Recent results from the electron cyclotron heated plasmas in Tokamak à Configuration Variable (TCV) (2003)

Henderson, M. A., Alberti, S., Angioni, C., Arnoux, G., Behn, R., Blanchard, P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of recent results from the TCV Tokamak (2003)

Goodman, T. P., Ahmed, S. M., Alberti, S., Andrèbe, Y., Angioni, C., Appert, K., ...

The TCV tokamak ( R = 0.88 m, κ = 2.5, are produced at low normalized current using far off-axis EC heating (ECH) and ECCD to broaden the current profile. Third harmonic heating is used to heat the...

The design of an ECRH system for JET-EP (2003)

Verhoeven, A. G. A., Bongers, W. A., Elzendoorn, B. S. Q., Graswinckel, M., Hellingman, P., Kooijman, W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced performance project (JET-EP) under the European fusion development agreement. Due...

Design and R&D of an ECRH system on JET (2003)

Verhoeven, A. G. A., Bongers, W. A., Elzendoorn, B. S. Q., Graswinckel, M., Hellingman, P., Kooijman, W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced-performance project (JET-EP) under the European Fusion Development Agreement...

The design of an ECRH system for JET-EP (2003)

Verhoeven, A. G. A., Bongers, W. A., Elzendoorn, B. S. Q., Graswinckel, M., Hellingman, P., Kooijman, W., ...

An electron cyclotron resonance heating (ECRH) system has been designed for JET in the framework of the JET enhanced performance project (JET-EP) under the European fusion development agreement. Due...

ELM driven divertor target currents on TCV (2003)

Pitts, R. A., Alberti, S., Blanchard, P., Horacek, J., Reimerdes, H., Stangeby, P. C.

There is currently both considerable interest in the physics of ELM transport in the scrape-off layer (SOL) and concern over the impact of the ELM power and particle loads on the divertor targets of...

Overview of JET results (2003)

Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...

Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...

Accessibility and properties of ELMy H-mode and ITB plasmas in TCV (2003)

Martin, Y. R., Henderson, M. A., Alberti, S., Amorim, P., Andrebe, Y., Appert, K., ...

This paper presents experimental results on the accessibility and the properties of plasmas with improved confinement in TCV. First, the H-mode threshold power is measured in Ohmic plasmas. Above an...

Advanced high-power gyrotrons (2003)

Kuntze, M., Alberti, S., Dammertz, G., Giguet, E., Illy, S., Heidinger, R., ...

Gyrotrons at high frequency with high-output power are mainly developed for microwave heating and current drive in plasmas for thermonuclear fusion. For the stellarator Wendelstein 7-X, now under...

Preliminary results of top launch third harmonic X-mode electron cyclotron heating in the TCV tokamak (2003)

Hogge, J. P., Alberti, S., Porte, L., Arnoux, G.

The electron cyclotron heating (ECH) system in TCV has recently been upgraded to a total of 4.5 MW of installed power. In order to extend the density range of ECH-heated plasmas up to electron...

An ITER-relevant evacuated waveguide transmission system for the JET-EP ECRH project (2003)

Henderson, M. A., Alberti, S., Bird, J., Doane, J., Elzendoorn, B., Flemming, C., ...

An over-moded evacuated waveguide line was chosen for use in the transmission system for the proposed JET enhanced performance project (JET-EP) electron cyclotron resonance heating (ECRH) system. A...

Recent results from the electron cyclotron heated plasmas in Tokamak a Configuration Variable (TCV) (2003)

Henderson, M. A., Alberti, S., Angioni, C., Arnoux, G., Behn, R., Blanchard, P., ...

In noninductively driven discharges, 0.9 MW second harmonic (X2) off-axis co-electron cyclotron current drive deposition is combined with 0.45 MW X2 central heating to create an electron internal...

An overview of results from the TCV tokamak (2003)

Goodman, T. P., Ahmed, S. M., Alberti, S., Andrebe, Y., Angioni, C., Appert, K., ...

The Tokamak Configuration Variable (TCV) tokamak (R = 0.88 m, a < 0.25 m, B < 1.54 T) programme is based on flexible plasma shaping and heating for studies of confinement, transport, control and...

Design study of a test stand for ITER gyrotron (2003)

Fasel, D., Alberti, S., Bonicella, T., Cleasen, R., Goodman, T., Hogge, J. P., ...

In the frame of development of the ITER electron cyclotron wave (ECW) system, a two MW CW coaxial cavity gyrotron will be developed during the Sixth Framework Program (2003-2006). Such development...

Power modulation capabilities of the 140 GHz/1 MW gyrotron for the stellarator Wendelstein 7-X (2003)

Dammertz, G., Alberti, S., Fasel, D., Giguet, E., Koppenburg, K., Kuntze, M., ...

In current tokamaks and, in particular, in future larger devices such as ITER, the control of neo-classical tearing modes (NTM) is essential for achieving high performance in terms of the beta limit....

Electron cyclotron current drive and suprathermal electron dynamics in the TCV tokamak (2003)

Coda, S., Alberti, S., Blanchard, P., Goodman, T. P., Henderson, M. A., Nikkola, P., ...

Electron cyclotron current drive (ECCD) is an important prospective tool for tailoring the current profile in nextstep devices. To fill the remaining gaps between ECCD theory and experiment,...

Advanced high power gyrotrons. (eingeladen) (2003)

Kuntze, M., Alberti, S., Dammertz, G., Giguet, E., Illy, S., Heidinger, R., ...

29th IEEE Internat.Conf.on Plasma Science (ICOPS 2002), Banff, CDN, May 26-30, 2002

Progress on a megawatt, CW gyrotron for ECRH at the W7-X stellarator. (2003)

Borie, E., Koppenburg, K., Dammertz, G., Arnold, A., Illy, S., Leonhardt, W., ...

Proc.of the 2nd Internat.Workshop on Far Infrared Technologies, Fukui, J, September 12-13, 2002

Progress in the development of a 1-MW, CW gyrotron at 140 GHz for fusion plasma heating. (2003)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

Proc.of the 4th IEEE Internat.Vacuum Electronics Conf. (IVEC), Seoul, Korea, May 28-30, 2003

Design of an ECRH system for JET. (2003)

Graswinckel, M.F., Bongers, W.A., Elzendoorn, B.S.Q., Hellingman, P., Kooijman, W., Kruijt, O.G., ...

Proc.of the 6th Internat.Workshop on Electron Cyclotron Resonance Heating Transmission Systems, San Diego, Calif., September 19-20, 2002

Development of a 2 MW, CW, 170 GHz coaxial cavity gyrotrons for ITER. (2003)

Piosczyk, B., Alberti, S., Arnold, A., Beunas, A., Borie, E., Budig, H., ...

20th IEEE/NPSS Symp.on Fusion Engineering, San Diego, Calif., October 14-17, 2003

Experimental results of the 1 MW, 140 GHz, CW gyrotron. (2003)

Dammertz, G., Arnold, A., Borie, E., Illy, S., Leonhardt, W., Piosczyk, B., ...

15th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, June 25 - July 1, 2003

Power modulation of the 140 GHz / 1 MW gyrotron. (2003)

Schmid, M., Borie, E., Dammertz, G., Koppenburg, K., Leonhardt, W., Neffe, G., ...

15th Joint Russian-German STC Workshop on ECRH and Gyrotrons, Karlsruhe/Stuttgart/Garching, June 25 - July 1, 2003

Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator (2002)

Dammertz,G., Alberti,S., Arnold,A., Borie,E., Erckmann,V., Gantenbein,G., ...

The development of high-power gyrotrons (118 GHz, 140 GHz) in continuous-wave (CW) operation for heating nuclear fusion plasmas has been in progress for several years in a joint collaboration between...

Oligomerization of DsRed is required for the generation of a functional red fluorescent chromophore (2002)

Sacchetti, A., Subramaniam, V., Jovin, T. M., Alberti, S.

The coral red fluorescent protein (DsRed) absorbs and emits light at much higher wavelengths than the structurally homologous green fluorescent protein, raising questions about the properties of its...

Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator (2002)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

The development of high-power gyrotrons (118 GHz, 140 GHz) in continuous-wave (CW) operation for heating nuclear fusion plasmas has been in progress for several years in a joint collaboration between...

Shape dependence of sawtooth inversion radii and profile peaking factors in TCV L mode plasmas (2002)

Weisen, H., Furno, I., Alberti, S., Angioni, C., Appert, K., Behn, R., ...

Sawtooth inversion radii and profile peaking factors of a large variety of ohmic and ECH heated L mode plasmas, including, elongations up to 2.6 and triangularities between -0.5 and 0.75, have been...

ECH physics and new operational regimes on TCV (2002)

Moret, J. M., Ahmed, S. M., Alberti, S., Andrebe, Y., Appert, K., Arnoux, G., ...

The physics of tokamak plasmas, in which electrons are heated by electron cyclotron heating (ECH) and whose current is driven by electron cyclotron current drive (ECCD), is investigated in this paper...

Modulated ECH power absorption measurements using a diamagnetic loop in the TCV tokamak (2002)

Manini, A., Moret, J. M., Alberti, S., Goodman, T. P., Henderson, M. A.

The additional power absorbed by the plasma can be determined from the time derivative of the total plasma energy, which can be estimated from the diamagnetic flux of the plasma using a diamagnetic...

Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator (2002)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

The development of high-power gyrotrons (118 GHz, 140 GHz) in continuous-wave (CW) operation for heating nuclear fusion plasmas has been in progress for several years in a joint collaboration between...

High field side measurements of non-thermal electron cyclotron emission on TCV plasmas with ECH and ECCD (2002)

Blanchard, P., Alberti, S., Coda, S., Weisen, H., Nikkola, P., Klimanov, I.

Measurements of electron cyclotron emission (ECE) from the high field side of the TCV tokamak have been made on plasmas heated by second and third harmonic X-mode electron cyclotron heating (ECH) and...

Full absorption of third harmonic ECH in TCV tokamak plasmas in the presence of second harmonic ECCD (2002)

Alberti, S., Goodman, T. P., Henderson, M. A., Manini, A., Moret, J. M., Gomez, P., ...

An experimental study of the extraordinary mode (X mode) absorption at the third electron cyclotron harmonic frequency has been performed on the TCV tokamak in plasmas preheated by X mode at the...

The 118 GHz ECRH experiment on Tore Supra. (2002)

Darbos, C., Magne, R., Alberti, S., Barbutti, G., Berger-By, G., Bouquey, F., ...

21st Symp.on Fusion Technology (SOFT), Madrid, E, September 11-15, 2000

Design of the evacuated waveguide transmission lines for JET-EP ECRH project. (2002)

Henderson, M.A., Alberti, S., Bird, J., Elzendoorn, B., Fleming, C., Goodman, T.P., ...

12th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Aix-en-Provence, F, May 13-16, 2002

Status of the ECRH system of Tore Supra. (2002)

Magne, R., Darbos, C., Bouquey, F., Clary, J., Giruzzi, G., Jung, M., ...

29th IEEE Internat.Conf.on Plasma Science (ICOPS 2002), Banff, CDN, May 26-30, 2002

Status of the 1MW, 140 GHz, CW gyrotron for W7-X. (2002)

Lievin, C., Alberti, S., Arnold, A., Borie, E., Dammertz, G., Erckmann, V., ...

22nd Symp.on Fusion Technology (SOFT), Helsinki, SF, September 9-13, 2002

140 GHz, 1 MW, CW gyrotron for fusion plasma heating. (2002)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

3rd IEEE Internat.Vacuum Electronics Conf.(IVEC 2002), Monterey, Calif., April 23-25, 2002

A 2 MW, CW, 170 GHz gyrotron for ITER. (2002)

Piosczyk, B., Alberti, S., Arnold, A., Borie, E., Budig, H., Dammertz, G., ...

19th IAEA Fusion Energy Conf., Lyon, F, October 14-19, 2002

Very long pulse operation of the Tore Supra ECRH system. (2002)

Darbos, C., Alberti, S., Bouquey, F., Clary, J., Giguet, E., Giruzzi, G., ...

22nd Symp.on Fusion Technology (SOFT), Helsinki, SF, September 9-13, 2002

Overview of TCV results (2001)

Weisen, H., Alberti, S., Angioni, C., Appert, K., Bakos, J., Behn, R., ...

The TCV tokamak (R = 0.88 in, a < 0.25 in, BT < 1.54 T) is equipped with six 0.5 MW gyrotron sources operating at 82.7 GHz for second harmonic X mode ECH. By distributing the ECCD current sources...

Steady-state fully noninductive operation with electron cyclotron current drive and current profile control in the tokamak a configuration variable (TCV) (2001)

Sauter, O., Angioni, C., Coda, S., Gomez, P., Goodman, T. P., Henderson, M. A., ...

Fully noninductive, steady-state electron cyclotron current drive (ECCD) has been demonstrated for the first time in experiments carried out in the tokamak a configuration variable (TCV) [O. Sauter ,...

Stability and energy confinement of highly elongated plasmas in TCV (2001)

Hofmann, F., Behn, R., Coda, S., Goodman, T. P., Henderson, M., Lavanchy, P., ...

The operating space of the TCV tokamak has been extended to higher elongation, kappa = 2.8, and higher normalized current, I-N = I-p/aB = 3.6MA/mT, than were previously attainable. This has been...

The 118 GHz ECRH experiment on Tore Supra (2001)

Darbos, C., Magne, R., Alberti, S., Barbuti, A., Berger-By, G., Bouquey, F., ...

An electron cyclotron resonance heating (ECRH) system is presently under construction at Commissariat A l'Energie Atomique (CEA) Cadarache for the Tore Supra experiment. The generator is planned to...

Cold test measurements on components of the 1 MW, 140 GHz, CW gyrotron for the stellarator Wendelstein 7-X (2001)

Dammertz, G., Alberti, S., Arnold, A., Giguet, E., LeGoff, Y., Thumm, M.

For the development of a 1 MW, 140 GHz gyrotron for CW operation which will be installed at the stellarator facility Wendelstein 7-X at IPP Greifswald, a collaboration between different European...

Development of a 140 GHz, 1 MW, continuous wave gyrotron for the W7-X stellarator (2001)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Gantenbein, G., ...

The development of high power gyrotrons in continuous wave (CW) operation for heating of plasmas used in nuclear fusion research has been in progress for several years in a joint collaboration...

European high-power CW gyrotron development for ECRH systems (2001)

Alberti, S., Arnold, A., Borie, E., Dammertz, G., Erckmann, V., Garin, P., ...

The development of high power CW gyrotrons for ECRH heating of fusion relevant plasmas has been in progress for several years in a joint collaboration between different European research institutes...

ECRH project on EFDA/JET-EP. (2001)

Verhoeven, A., Van Amerogen, F., Bongers, W., Elzendoorn, B., Kruijt, O., Lingier, K., ...

3rd EU-Japan Workshop on RF Heating Antennas and Related Technology, Lausanne, CH, September 7-8, 2000

The ECRH system for JET-EP. (2001)

Verhoeven, A.G.A., Amerongen, F.J.von, Bindslev, H., Bongers, W.A., Hellingman, P., Elzendoorn, B.S.Q., ...

Proc.of the 2nd IEEE Internat.Vacuum Electronics Conf ; IVEC 2001 ; Noordwijk, NL, April 2-4, 2001

High-power CW gyrotron development for ECRH systems. (2001)

Giguet, E., Alberti, S., Arnold, A., Borie, E., Bouquey, F., Dammertz, G., ...

Proc.of the 2nd IEEE Internat.Vacuum Electronics Conf ; IVEC 2001 ; Noordwijk, NL, April 2-4, 2001

Long-pulse operation of the 1 MW, 140 GHz, W7-X gyrotron. (2001)

Koppenburg, K., Arnold, A., Borie, E., Dammertz, G., Illy, S., Kuntze, M., ...

13th Joint Russian-German Workshop on ECRH and Gyrotrons (STC-Meeting), IPP Greifswald, July 16-21, 2001

Amplitude modulation of the W7-X gyrotrons. (2001)

Schmid, M., Dammertz, G., Leonhardt, W., Thumm, M., Alberti, S., Müller, G.A.

13th Joint Russian-German Workshop on ECRH and Gyrotrons (STC-Meeting), IPP Greifswald, July 16-21, 2001

Conceptual studies of different collector coil concepts for high power CW gyrotrons. (2001)

Illy, S., Dammertz, G., Alberti, S., Pequiot, S.

Displays and Vacuum Electronics : Contributions to the 9th ITG-Conf., Garmisch-Partenkirchen, May 2-3, 2001

1 MW, 140 GHz, CW gyrotron for Wendelstein 7-X. (2001)

Dammertz, G., Arnold, A., Borie, E., Illy, S., Leonhardt, W., Piosczyk, B., ...

Displays and Vacuum Electronics : Contributions to the 9th ITG-Conf., Garmisch-Partenkirchen, May 2-3, 2001

Steady-state fully noninductive current driven by electron cyclotron waves in a magnetically confined plasma (2000)

Sauter, O., Henderson, M. A., Hofmann, F., Goodman, T., Alberti, S., Angioni, C., ...

A steady-state, fully noninductive plasma current has been sustained for the first time in a tokamak using electron cyclotron current drive only. In this discharge, 123 kA of current have been...

High-power ECH and fully non-inductive operation with ECCD in the TCV tokamak (2000)

Coda, S., Goodman, T. P., Henderson, M. A., Hofmann, F., Pietrzyk, Z. A., Sauter, O., ...

Experiments with high-power electron cyclotron heating (ECH) and current drive (ECCD) in the TCV tokamak are discussed. Power up to 2.7 MW from six gyrotrons is delivered to the tokamak at the...

Cross-talk between fatty acid and cholesterol metabolism mediated by liver X receptor-alpha. (2000)

Tobin, K A, Steineger, H H, Alberti, S, Spydevold, O, Auwerx, J, Gustafsson, J A, ...

LXR alpha (liver X receptor, also called RLD-1) is a nuclear receptor, highly expressed in tissues that play a role in lipid homeostasis. In this report we show that fatty acids are positive...

Highly efficient 1 MW, 140 GHz, CW gyrotron with CVD-diamond window. (2000)

Thumm, M., Alberti, S., Arnold, A., Borie, E., Dammertz, G., Erckmann, V., ...

Internat.Workshop on Far Infrared Technologies '99, Fukui University, J, September 30, October 12-13, 1999

1 MW, 140 GHz, CW gyrotron for Wendelstein 7-X. (2000)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Erckmann, V., Förster, W., ...

27th IEEE Internat.Conf.on Plasma Science, New Orleans, La., June 4-7, 2000

Status report on 1 MW TE§2§8§,§8 mode, 140 GHz CW gyrotron for Wendelstein 7-X. (2000)

Dammertz, G., Alberti, S., Arnold, A., Borie, E., Le Cloarec, G., Erckmann, V., ...

12th Joint Russian-German Meeting on ECRH and Gyrotrons, Nizhny Novgorod, Russia, June 21-28, 2000

1 MW, 140 GHz, CW gyrotron for W7-X. (2000)

Giguet, E., Alberti, S., Arnold, A., Borie, E., Dammertz, G., Erckmann, V., ...

21st Symp.on Fusion Technology (SOFT), Madrid, E, September 11-15, 2000

ECRH on JET-EP. (2000)

Verhoeven, A., Amerongen, F.von, Elzendoorn, B., Hellingman, P., Kruijt, O., ...

JET, Ad-Hoc Group Meeting, Culham, GB, November 22-23, 2000

High accuracy magnetic field measurements with a Hall probe (1999)

Schott, C., Popovic, R. S., Alberti, S., Tran, M. Q.

A silicon-based temperature stabilized axial Hall probe with an absolute accuracy of +/-40 ppm in the full range between 0 and 6 T is presented. The absolute calibration of the probe is performed...

Energy confinement and MHD activity in shaped TCV plasmas with localized electron cyclotron heating (1999)

Pochelon, A., Goodman, T. P., Henderson, M., Angioni, C., Behn, R., Coda, S., ...

Confinement in TCV electron cyclotron heated discharges was studied as a function of plasma shape, i.e. as a function of elongation, 1.1 < kappa < 2.15, and triangularity, -0.65 less than or equal to...

Electron beam instabilities in gyrotron beam tunnels (1998)

Pedrozzi, M., Alberti, S., Hogge, J. P., Tran, M. Q., Tran, T. M.

Electron beam instabilities occurring in a gyrotron electron beam can induce an energy spread which might significantly deteriorate the gyrotron efficiency. Three types of instabilities are...

Testing of the 118 GHz - quasi CW gyrotron for the Tore Supra and TCV tokamaks. (1998)

Pain, M., Garin, P., Tran, M.Q., Alberti, S., Thumm, M., Giguet, E., ...

20th Internat.Symp.on Fusion Technology (SOFT), Marseille, F, September 7-11, 1998

Effect of plasma shape on confinement and MHD behaviour in TCV (1997)

Weisen, H., Alberti, S., Berry, S., Behn, R., Blanchard, P., Bosshard, P., ...

The TCV tokamak (B-T < 1.5 T, R approximate to 0.88 m, a < 0.25 m) has produced a wide variety of plasma configurations, both diverted and limited, with elongations kappa(a), ranging from 0.9 to...

Particle-in-cell (PIC) simulations of beam instabilities in gyrotrons (1997)

Tran, T. M., Jost, G., Appert, K., Alberti, S., Pedrozzi, M.

Extensive simulations are performed to investigate effects of electron cyclotron instabilities on the gyrotron beam quality, using two-dimensional axisymmetric particle-in-cell (PIG) codes. Both...

Measurement of the parallel velocity distribution function of the electron beam in a quasi-optical gyrotron by Electron Cyclotron Emission (1996)

Soumagne, G., Alberti, S., Hogge, J. P., Pedrozzi, M., Siegrist, M. R., Tran, M. Q., ...

The parallel velocity distribution function of the weakly relativistic electron beam of a quasi-optical gyrotron has been determined by measuring the Doppler-shifted Electron Cyclotron Emission (ECE)...

Startup Methods for Single-Mode Gyrotron Operation (1995)

Whaley, D. R., Tran, M. Q., Alberti, S., Tran, T. M., Antonsen, T. M., Tran, C.

Experimental start-up results of a 118 GHz TE(22,6) gyrotron are presented and compared with theory. The theoretical excitation regimes of competing modes are computed in the...

Operation of a 118 GHz - 0.5 MW gyrotron with cryogenic window: design and long pulse experiments. (1995)

Giguet, E., Dubrovin, A., Krieg, J.M., Thouvenin, Ph., Tran, C., Garin, P., ...

Invited and Contributed Papers pres.at the 20th Internat.Conf.on Infrared and Millimeter Waves, Lake Buena Vista, Orlando, Fla., December 11-14, 1995

Dc Space-Charge-Induced Frequency up-Shift in a Quasi-Optical Gyrotron (1991)

Alberti, S., Tran, M. Q., Tran, T. M.

Recent experiments on a 100 GHz quasioptical gyrotron have shown that for a large resonator setup [Phys. Fluids B 2, 1654 (1990)] the observed frequency up-shift between the starting current and a...

DNA methylation prevents the amplification of TROP1, a tumor-associated cell surface antigen gene.

Alberti, S, Nutini, M, Herzenberg, L A

We tested the hypothesis that different genes can have different abilities to be amplified after transfection under comparable selection conditions. DNA from human lymphoid or choriocarcinoma cell...

Epidermal Growth Factor-Like Repeats Mediate Lateral and Reciprocal Interactions of Ep-CAM Molecules in Homophilic Adhesions

Balzar, M., Prins, F. A., Helfrich, W., De Leij, L., ...

Ep-CAM is a new type of cell adhesion molecule (CAM) which does not structurally resemble the members of the four major families (cadherins, integrins, selectins, and CAMs of the immunoglobulin...

Hepatic cholesterol metabolism and resistance to dietary cholesterol in LXRβ-deficient mice

Alberti, S., Schuster, G., Parini, P., Feltkamp, D., Diczfalusy, U., Rudling, M., ...

The nuclear oxysterol-receptor paralogues LXRα and LXRβ share a high degree of amino acid identity and bind endogenous oxysterol ligands with similar affinities. While LXRα has been established as...

DNA methylation prevents transfection of genes for specific surface antigens.

Alberti, S, Herzenberg, L A

Sperm and trophoblast are among the few nucleated human cells that do not express HLA class I antigens. DNA methylation, which is proposed to be a tight mechanism of regulation, may be necessary to...

Higher transfection efficiency of genomic DNA purified with a guanidinium thiocyanate-based procedure.

Alberti, S, Fornaro, M

Efficient transfection of eukaryotic cells is dependent on the purity of the transfected genomic DNA. In an attempt to obtain a more reliable method of DNA purification we have modified the widely...

Genetic analysis of the leucine heptad repeats of Lac repressor: evidence for a 4-helical bundle.

Alberti, S, Oehler, S, Müller-Hill, B

Gel-filtration experiments indicate that a peptide (P2) composed of the basic region of GCN4 fused to the leucine heptad repeats of Lac repressor forms tetrameric aggregates. Gel-shift experiments...

DNA methylation prevents the amplification of TROP1, a tumor-associated cell surface antigen gene.

Alberti, S, Nutini, M, Herzenberg, L A

We tested the hypothesis that different genes can have different abilities to be amplified after transfection under comparable selection conditions. DNA from human lymphoid or choriocarcinoma cell...

Epidermal Growth Factor-Like Repeats Mediate Lateral and Reciprocal Interactions of Ep-CAM Molecules in Homophilic Adhesions

Balzar, M., Prins, F. A., Helfrich, W., De Leij, L., ...

Ep-CAM is a new type of cell adhesion molecule (CAM) which does not structurally resemble the members of the four major families (cadherins, integrins, selectins, and CAMs of the immunoglobulin...

Hepatic cholesterol metabolism and resistance to dietary cholesterol in LXRβ-deficient mice

Alberti, S., Schuster, G., Parini, P., Feltkamp, D., Diczfalusy, U., Rudling, M., ...

The nuclear oxysterol-receptor paralogues LXRα and LXRβ share a high degree of amino acid identity and bind endogenous oxysterol ligands with similar affinities. While LXRα has been established as...

DNA methylation prevents transfection of genes for specific surface antigens.

Alberti, S, Herzenberg, L A

Sperm and trophoblast are among the few nucleated human cells that do not express HLA class I antigens. DNA methylation, which is proposed to be a tight mechanism of regulation, may be necessary to...

Higher transfection efficiency of genomic DNA purified with a guanidinium thiocyanate-based procedure.

Alberti, S, Fornaro, M

Efficient transfection of eukaryotic cells is dependent on the purity of the transfected genomic DNA. In an attempt to obtain a more reliable method of DNA purification we have modified the widely...

Genetic analysis of the leucine heptad repeats of Lac repressor: evidence for a 4-helical bundle.

Alberti, S, Oehler, S, Müller-Hill, B

Gel-filtration experiments indicate that a peptide (P2) composed of the basic region of GCN4 fused to the leucine heptad repeats of Lac repressor forms tetrameric aggregates. Gel-shift experiments...

Transfection into mouse L cells of genes encoding two serologically and functionally distinct bovine class I MHC molecules from a MHC-homozygous animal: evidence for a second class I locus in cattle.

Toye, P G, MacHugh, N D, Bensaid, A M, Alberti, S, Teale, A J, Morrison, W I

w10 and KN104 are distinct class I major histocompatibility complex (MHC) serological specificities present in Boran (Bos indicus) cattle. Although these specificities are commonly expressed...

Molecular cloning, reconstruction and expression of the gene encoding the alpha-chain of the bovine CD8--definition of three peptide regions conserved across species.

Lalor, P, Bucci, C, Fornaro, M, Rattazzi, M C, Nakauchi, H, Herzenberg, L A, ...

We report the cloning of a cDNA encoding the alpha-chain of the bovine CD8 (BoCD8 alpha). A bovine thymus cDNA library was hybridized at low stringency with a human CD8 alpha cDNA clone. The first...

Morphological characterization of a cell population responsible for natural killer activity.

Luini, W, Boraschi, D, Alberti, S, Aleotti, A, Tagliabue, A

Large granular lymphocytes (LGL) were observed in the peripheral blood, spleen, lung and, to a lesser extent, bone marrow and lymph nodes, but not in the thymus of C3H/HeN mice 8 weeks old. The organ...

Multimode calculation of frequency tunable gyrotrons for dynamic nuclear polarization applications

Kern, S., Thumm, M., Alberti, S.

Multimode calculations of a low-power (above 10W) high-frequency (200 GHz -300 GHz) gyrotron for NMR (nuclear magnetic resonance) spectroscopy applications have been performed. Six transverse modes...