Y. Levy

Publication List Details

Period

1977 - 9999

Number

51

Co-Authors

Ellipsometry Techniques in Thin Film Electrooptic Coefficients Measurements. (9999)

Levy, Y., Chollet, P. A., Gadret, G., Kajzar, F.

In this paper, a review of some different experimental methods employed for measuring the electroopic coefficients (Pockels effect and Kerr effect) are presented, together with the most recent...

Effect of chromophore-chromophore electrostatic interactions in the NLO response of functionalized organic-inorganic sol-gel materials (2006)

Reyes-Esqueda, J., Darracq, B., Garcia-Macedo, J., Canva, M., Blanchard-Desce, M., Chaput, F., ...

In the last years, important non-linear optical results on sol-gel and polymeric materials have been reported, with values comparable to those found in crystals. These new materials contain push-pull...

Surface conductivity of DR1-functionalized organic-inorganic sol-gel materials (2006)

Franco, A., Bizarro, M., Garcia-Macedo, J., Canva, M., Darracq, B., ...

In recent years, in looking for an important photorefractive application, several studies on electro-optic and photoconductive sol-gel responses have been done. A very important effort has been...

A Systematic Study of the Correlation Between Geometrical Disturbances and Flow Asymmetries (1996)

Y. Levy, L. Hesselink, D. Degani, Yuval Levy, David Degani

Recently, large efforts were directed to numerical simulations of high incidence flows around slender bodies of revolution in order to gain more insight into the problem of flow asymmetry. One of the...

Anomalous Asymmetries in Flows Generated by Algorithms that Fail to Conserve Symmetry (1996)

Y. Levy, L. Hesselink, D. Degani, Yuval Levy, David Degani

Numerical simulations of high-angle-of-attack flows around slender bodies of revolution are carried out using four different numerical algorithms, a partially flux-split algorithm, the Beam and...

On a technique to calculate the exact performance of a convolutional code (1995)

Best, M.R., Burnashev, M.V., Levy, Y., Rabinovich, A., Fishburn, P.C., Calderbank, A.R., ...

A Markovian technique is described to calculate the exact performance of the Viterbi algorithm used as either a channel decoder or a source encoder for a convolutional code. The probability of...

On a technique to calculate the exact performance of a convolutional code (1995)

Best, M.R., Burnashev, M.V., Levy, Y., Rabinovich, A., Fishburn, P.C., Calderbank, A.R., ...

A Markovian technique is described to calculate the exact performance of the Viterbi algorithm used as either a channel decoder or a source encoder for a convolutional code. The probability of...

On a technique to calculate the exact performance of a convolutional code (1995)

Best, M.R., Burnashev, M.V., Levy, Y., Rabinovich, A., Fishburn, P.C., Calderbank, A.R., ...

A Markovian technique is described to calculate the exact performance of the Viterbi algorithm used as either a channel decoder or a source encoder for a convolutional code. The probability of...

GROWTH OF THIN ALUMINA FILM ON ALUMINIUM AT ROOM TEMPERATURE : A KINETIC AND SPECTROSCOPIC STUDY BY SURFACE PLASMON EXCITATION (1983)

Dumas, P., Dubarry-Barbe, J., Rivière, D., Levy, Y., Corset, J.

The kinetic parameters and the limiting thickness of alumina formed on an aluminium film, at room temperature, under ambient pressure, can be determined by using an attenuated total reflection...

GROWTH OF THIN ALUMINA FILM ON ALUMINIUM AT ROOM TEMPERATURE : A KINETIC AND SPECTROSCOPIC STUDY BY SURFACE PLASMON EXCITATION (1983)

Dumas, P., Dubarry-Barbe, J., Rivière, D., Levy, Y., Corset, J.

The kinetic parameters and the limiting thickness of alumina formed on an aluminium film, at room temperature, under ambient pressure, can be determined by using an attenuated total reflection...

GROWTH OF THIN ALUMINA FILM ON ALUMINIUM AT ROOM TEMPERATURE : A KINETIC AND SPECTROSCOPIC STUDY BY SURFACE PLASMON EXCITATION (1983)

Dumas, P., Dubarry-Barbe, J., Rivière, D., Levy, Y., Corset, J.

The kinetic parameters and the limiting thickness of alumina formed on an aluminium film, at room temperature, under ambient pressure, can be determined by using an attenuated total reflection...

MÉTHODES D'ÉTUDE DE COUCHES MINCES ET D'INTERFACES PAR SPECTROSCOPIE RAMAN (1977)

Levy, Y., Dupeyrat, R.

Nous présentons différentes méthodes destinées à augmenter le flux Raman diffusé par une couche mince ou une tranche superficielle située au voisinage d'une interface.

MÉTHODES D'ÉTUDE DE COUCHES MINCES ET D'INTERFACES PAR SPECTROSCOPIE RAMAN (1977)

Levy, Y., Dupeyrat, R.

Nous présentons différentes méthodes destinées à augmenter le flux Raman diffusé par une couche mince ou une tranche superficielle située au voisinage d'une interface.

MÉTHODES D'ÉTUDE DE COUCHES MINCES ET D'INTERFACES PAR SPECTROSCOPIE RAMAN (1977)

Levy, Y., Dupeyrat, R.

Nous présentons différentes méthodes destinées à augmenter le flux Raman diffusé par une couche mince ou une tranche superficielle située au voisinage d'une interface.

Interleukin 6 dependence of spontaneous in vitro differentiation of B cells from patients with IgM gammapathy.

Levy, Y, Fermand, J P, Navarro, S, Schmitt, C, Vainchenker, W, Seligmann, M, ...

Blood B cells from eight patients with clonal lymphoid disorders characterized by monoclonal IgM secretion (four with malignant plasmacytic proliferation typical of Waldenström macroglobulinemia and...

Interleukin-10 prevents spontaneous death of germinal center B cells by induction of the bcl-2 protein.

Levy, Y, Brouet, J C

In this study, we show that IL-10 enhances in vitro the viability of purified splenic B cells. There was a two- to threefold increase in recovery of viable cells during a 15-d culture period in the...

Interleukin-6 antisense oligonucleotides inhibit the growth of human myeloma cell lines.

Levy, Y, Tsapis, A, Brouet, J C

IL-6 has been shown to be a plasmacytoma growth factor in mice and is believed to play a key role in the development of human multiple myeloma. We investigated the IL-6 requirements for the growth of...

Neurological dysfunction and hyperactive behavior associated with antiphospholipid antibodies. A mouse model.

Ziporen, L, Shoenfeld, Y, Levy, Y, Korczyn, A D

Antiphospholipid antibodies (aPL) have been associated with various neurological manifestations, but the underlying mechanism has not been elucidated. We assessed mice with induced experimental...

The binding of some human antiendothelial cell antibodies induces endothelial cell apoptosis.

Bordron, A, Dueymes, M, Levy, Y, Jamin, C, Leroy, J P, Piette, J C, ...

The pathogenic role of antiendothelial cell antibodies (AECA) remains unclear. They are frequently associated with antibodies to anionic phospholipids (PL), such as phosphatidylserine (PS), which is...

Insulin induces transcription of target genes through the hypoxia-inducible factor HIF-1alpha/ARNT.

Zelzer, E, Levy, Y, Kahana, C, Shilo, B Z, Rubinstein, M, Cohen, B

Hypoxic stress induces the expression of genes associated with increased energy flux, including the glucose transporters Glut1 and Glut3, several glycolytic enzymes, nitric oxide synthase, tyrosine...

Chlamydia trachomatis and inflammatory bowel disease--a coincidence?

Orda, R, Samra, Z, Levy, Y, Shperber, Y, Scapa, E

Serological tests of 35 patients suffering from inflammatory bowel disease were compared to those of 35 healthy controls. The tests were performed using the indirect immunoperoxidase assay....

A nonsense mutation in the LDL receptor gene leads to familial hypercholesterolemia in the Druze sect.

Landsberger, D, Meiner, V, Reshef, A, Levy, Y, Van Der Westhuyzen, D R, Coetzee, G A, ...

Familial hypercholesterolemia (FH) is an autosomal dominant disease caused by mutations in the LDL receptor gene. Here we characterize an LDL receptor mutation that is associated with a distinct...

Interleukin 6 dependence of spontaneous in vitro differentiation of B cells from patients with IgM gammapathy.

Levy, Y, Fermand, J P, Navarro, S, Schmitt, C, Vainchenker, W, Seligmann, M, ...

Blood B cells from eight patients with clonal lymphoid disorders characterized by monoclonal IgM secretion (four with malignant plasmacytic proliferation typical of Waldenström macroglobulinemia and...

Interleukin-10 prevents spontaneous death of germinal center B cells by induction of the bcl-2 protein.

Levy, Y, Brouet, J C

In this study, we show that IL-10 enhances in vitro the viability of purified splenic B cells. There was a two- to threefold increase in recovery of viable cells during a 15-d culture period in the...

Interleukin-6 antisense oligonucleotides inhibit the growth of human myeloma cell lines.

Levy, Y, Tsapis, A, Brouet, J C

IL-6 has been shown to be a plasmacytoma growth factor in mice and is believed to play a key role in the development of human multiple myeloma. We investigated the IL-6 requirements for the growth of...

Neurological dysfunction and hyperactive behavior associated with antiphospholipid antibodies. A mouse model.

Ziporen, L, Shoenfeld, Y, Levy, Y, Korczyn, A D

Antiphospholipid antibodies (aPL) have been associated with various neurological manifestations, but the underlying mechanism has not been elucidated. We assessed mice with induced experimental...

The binding of some human antiendothelial cell antibodies induces endothelial cell apoptosis.

Bordron, A, Dueymes, M, Levy, Y, Jamin, C, Leroy, J P, Piette, J C, ...

The pathogenic role of antiendothelial cell antibodies (AECA) remains unclear. They are frequently associated with antibodies to anionic phospholipids (PL), such as phosphatidylserine (PS), which is...

Insulin induces transcription of target genes through the hypoxia-inducible factor HIF-1alpha/ARNT.

Zelzer, E, Levy, Y, Kahana, C, Shilo, B Z, Rubinstein, M, Cohen, B

Hypoxic stress induces the expression of genes associated with increased energy flux, including the glucose transporters Glut1 and Glut3, several glycolytic enzymes, nitric oxide synthase, tyrosine...

Chlamydia trachomatis and inflammatory bowel disease--a coincidence?

Orda, R, Samra, Z, Levy, Y, Shperber, Y, Scapa, E

Serological tests of 35 patients suffering from inflammatory bowel disease were compared to those of 35 healthy controls. The tests were performed using the indirect immunoperoxidase assay....

A nonsense mutation in the LDL receptor gene leads to familial hypercholesterolemia in the Druze sect.

Landsberger, D, Meiner, V, Reshef, A, Levy, Y, Van Der Westhuyzen, D R, Coetzee, G A, ...

Familial hypercholesterolemia (FH) is an autosomal dominant disease caused by mutations in the LDL receptor gene. Here we characterize an LDL receptor mutation that is associated with a distinct...

Intravenous immunoglobulins in peripheral neuropathy associated with vasculitis

Levy, Y, Uziel, Y, Zandman, G, Amital, H, Sherer, Y, Langevitz, P, ...

Objective: To present patients who exhibited various inflammatory diseases accompanied with vasculitic peripheral neuropathies for which intravenous immunoglobulin (IVIg) was used for treatment.

Fibrosis regression induced by intravenous gammaglobulin treatment

Amital, H, Rewald, E, Levy, Y, Bar-Dayan, Y, Manthorpe, R, Engervall, P, ...

Methods: Eight patients with excess fibrotic reaction in the course of diverse diseases were analysed; a tendency that reverted with different IVIg treatment options. Myelofibrosis was predominant in...

Characterization of a human monoclonal autoantibody directed to cardiolipin/beta 2 glycoprotein I produced by chronic lymphocytic leukaemia B cells.

Mariette, X, Levy, Y, Dubreuil, M L, Intrator, L, Danon, F, Brouet, J C

We determined the specificity and sequence of immunoglobulin molecules synthesized by monoclonal B cells from a patient with chronic lymphocytic leukaemia (CLL) who presented with a number of...

Prevalence of hereditary properdin, C7 and C8 deficiencies in patients with meningococcal infections.

Schlesinger, M, Nave, Z, Levy, Y, Slater, P E, Fishelson, Z

High incidence of hereditary complement (C) deficiencies was found among 101 patients who had a meningococcal disease. This study revealed 11 non-related patients with complete C deficiency: five...

Phenotype and immunoglobulin gene configuration of blood B cells from patients with multiple myeloma.

Levy, Y, Schmitt, C, Tsapis, A, Brouet, J C, Fermand, J P

We have studied the phenotype and the immunoglobulin gene configuration of blood B cells from 15 patients with stage III multiple myeloma (MM) at diagnosis. Highly purified B cells (greater than 90%...

Reduction of plasma cholesterol by lovastatin normalizes erythrocyte membrane fluidity in patients with severe hypercholesterolaemia.

Levy, Y, Leibowitz, R, Aviram, M, Brook, J G, Cogan, U

The effect of lovastatin on erythrocyte membrane composition and fluidity was investigated in eight patients with severe hypercholesterolaemia (mean LDL-cholesterol of 7.2 mmol l-1). Lovastatin was...

Increased platelet adhesion and aggregation in hypertensive patients: effect of atenolol.

Markel, A, Brook, J G, Levy, Y, Aviram, M, Youdim, M B

Fourteen patients with established hypertension followed a double-blind crossover-styled trial to study the effects of 100 mg/day atenolol compared to placebo. Atenolol was found to be an effective...

Retinoic acid modulates the in vivo and in vitro growth of IL-6 autocrine human myeloma cell lines via induction of apoptosis

LEVY, Y, LABAUME, S, COLOMBEL, M, BROUET, J C

We previously showed that IL-6 is an autocrine growth factor for two human myeloma cell lines, RPMI 8226 and U266. We investigated here the in vitro and in vivo effects of all-trans retinoic acid...

IL-7 sensitizes human pre-B cells but not pro-B cells to Fas/APO-1 (CD95)-mediated apoptosis

LEVY, Y, BENLAGHA, K, BUZYN, A, COLOMBEL, M, BROUET, J-C, LASSOUED, K

Homeostasis of human B cell development is maintained by a complex network of cytoplasmic and surface expressed molecules. Abnormalities in this process may result in the expansion of malignant B...

Chronic urticaria: association with thyroid autoimmunity

Levy, Y, Segal, N, Weintrob, N, Danon, Y

Background: Though autoimmune phenomena have been regularly associated with chronic urticaria in adults, data in children are sparse.

Plasma cholesterol concentration and extra lipid band in monoclonal gammopathies.

Levy, Y., Aviram, M., Spira, G., Tatarsky, I., Brook, G. J., Carter, A.

Plasma lipids and lipoproteins were studied in 21 patients with benign monoclonal gammopathy, 21 patients with multiple myeloma and seven patients with Waldenström's macroglobulinaemia. Results were...

Massive haematemesis--presenting symptoms of cystadenocarcinoma of the pancreas.

Baruch, Y., Levy, Y., Goldsher, D., Munichor, M., Eidelman, S.

A 43 year old woman presented with attacks of abdominal pain, haematemesis and hyperamylasaemia. Gastrointestinal X-rays and repeated upper gastrointestinal endoscopy failed to reveal the source of...

Anti-serum amyloid component P antibodies in patients with systemic lupus erythematosus correlate with disease activity

Zandman-Goddard, G, Blank, M, Langevitz, P, Slutsky, L, Pras, M, Levy, Y, ...

Objective: To determine the presence of raised titres of anti-serum amyloid P component (SAP) antibodies in patients with systemic lupus erythematosus (SLE) and to evaluate their correlation with...