M. Almeida

Publication List Details

Period

1988 - 2009

Number

78

Co-Authors

Geometrical and orbital effects in a quasi-one dimensional conductor (2009)

Graf, D., Brooks, J. S., Choi, E. S., Almeida, M., Henriques, R. T., Dias, J. C., ...

The angular dependent magnetoresistance of (Per)2[Au(mnt)2] under pressure has revealed geometrical effects associated with the crystallographic parameters. Pressure suppresses the charge density...

Mossbauer spectroscopy study of the "mysterious" magnetic transition in lambda-(BETS)2FeCl4 (2009)

Waerenborgh, J. C., Rabaca, S., Almeida, M., Kobayashi, A., Zhou, B., Brooks, J. S.

The compound lambda-(BETS)2FeCl4 provides an effective demonstration of the interaction of pi-conduction electron and d-electron localized moment systems in molecular crystalline materials where...

Superoxide dismutase in the marine sponge Cliona celata (2008)

Marques, D., Esteves, A.I., Almeida, M., Xavier, J., Humanes, M.

The aim of this work is to investigate the activity of the antioxidant enzyme superoxide dismutase in the cosmopolitan sponge Cliona celata (Grant, 1826), since this enzyme has been described as a...

Infrared Investigation of the Charge Ordering Pattern in the Organic Spin Ladder Candidate (DTTTF)2Cu(mnt)2 (2007)

Musfeldt, J. L., Brown, S., Mazumdar, S., Clay, R. T., Mas-Torent, M., Rovira, C., ...

We measured the variable temperature infrared response of the spin ladder candidate (DTTTF)2Cu(mnt)2 in order to distinguish between two competing ladder models, rectangular versus zigzag, proposed...

Context-aware end-to-end QoS architecture in multi-technology, multi-interface environments (2007)

Sargento, S., Jesus, V., Sousa, F., Mitrano, F., Strauf, T., Schmoll, C., ...

The increase will of ubiquitous access of the users to the requested services points towards the integration of heterogeneous networks. In this sense, a user shall be able to access its services...

BEZERRAS DE CORTE INFECTADAS NATURALMENTE COM PARASITAS GASTRINTESTINAIS – EPIDEMIOLOGIA E TRATAMENTO SELETIVO (2005)

M.B. MOLENTO, M. ALMEIDA, E. GUTERRES, J. ROMAN, F. FREITAS, M. ROCHA

A severidade das infecções parasitárias depende em grande parte da quantidade e do tipo de parasita presente e do estado nutricional dos animais. O objetivo deste experimento foi associar o efeito...

Magnetic Field Dependence of CDW Phases in Per2M(mnt)2 (M=Pt, Au) (2005)

Brooks, J. S., Graf, D., Choi, E. S., Almeida, M., Dias, J. C., Henriques, R. T., ...

Recently the authors discovered that the suppression of the charge density wave (CDW) ground states by high magnetic fields in the organic conductor series Per2M(mnt)2 is followed by additional high...

Magnetic Field Dependent Behavior of the CDW ground state in Per2M(mnt)2 (M = Au, Pt) (2005)

Brooks, J. S., Graf, D., Choi, E. S., Almeida, M., Dias, J. C., Henriques, R. T., ...

The Per2M(mnt)2 class of organic conductors exhibit a charge density wave (CDW) ground state below about 12 K, which may be suppressed in magnetic fields of order 20 to 30 T. However, for both cases...

A Procedure to Optimize Aeronautical Ribs Subjected to Several Load Cases (2005)

Ana C. Conrado, Sérgio Frascino, M. Almeida

Two difficulties are inherent to rib design: the multiplicity of load cases involved and the mechanism through which the loads are transferred from neighboring components such as spars and skin...

High magnetic field induced charge density wave states in a quasi-one dimensional organic conductor (2003)

Graf, D., Choi, E. S., Brooks, J. S., Henriques, Rui T., Almeida, M., Matos, M.

We have measured the high field magnetoresistence and magnetization of quasi-one- dimensional (Q1D) organic conductor (Per)2Pt(mnt)2 (where Per = perylene and mnt = maleonitriledithiolate), which has...

Suppression of a charge density wave ground state in high magnetic fields: spin and orbital mechanisms (2003)

Graf, D., Brooks, J. S., Choi, E. S., Uji, S., Dias, J. C., Almeida, M., ...

The charge density wave (CDW) transition temperature in the quasi-one dimensional (Q1D) organic material of (Per)$_2$Au(mnt)$_2$ is relatively low (TCDW = 12 K). Hence in a mean field BCS model, the...

The reliability of immunohistochemistry as a prescreening method for the diagnosis of hereditary nonpolyposis colorectal cancer (HNPCC) - Results of an international collaborative study (2001)

Muller, Wolfram, Burgart, Lawrence J., Krause-Paulus, Ruth, Thibodeau, Stephen N., Almeida, M., Bocker Edmonston, T., ...

Hereditary nonpolyposis colorectal cancer syndrome (HNPCC) is an autosomal dominant condition accounting for 2–5% of all colorectal carcinomas as well as a small subset of endometrial, upper...

Crystal Structure and Physical Properties of U3T3Sn4 (T = Ni, Cu) Single-Crystals (2000)

Shlyk, L., Estrela, P., Waerenborgh, J. C., De Long, L. E., De Visser, A., Rojas, D. P., ...

Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 single-crystals. U3Cu3Sn4 was confirmed to be a heavy-fermion...

Crystal structure and physical properties of U3T3Sn4 (T = Ni, Cu) single crystals (2000)

Shlyk, L., Estrela, Pedro, Waerenborgh, J. C., De Long, L. E., De Visser, A., Rojas, D. P., ...

Heat capacity experiments, crystal structure determination and transmission electron microscopy have been carried out on U3Cu3Sn4 singlecrystals. U3Cu3Sn4 was confirmed to be a heavy-fermion...

Resistivity of non-Fermi liquid U2Pt2In under pressure (2000)

Estrela, Pedro, Naka, T., De Visser, A., De Boer, F. R., Pereira, L. C. J., Almeida, M.

Non-Fermi liquid behaviour in single-crystalline U2Pt2In has been studied by means of resistivity experiments (I parallel c) under hydrostatic pressure (P<1.5 GPa). At ambient pressure the...

Resistivity of non-Fermi liquid U2Pt2In under pressure (1999)

Estrela, P., Naka, T., De Visser, A., De Boer, F. R., Pereira, L. C. J., Almeida, M.

Non-Fermi liquid behaviour in single-crystalline U2Pt2In has been studied by means of resistivity experiments (I||c) under hydrostatic pressure (P1 GPa a minimum develops in rho(T). A study of the...

Non-Fermi-liquid behaviour of U3-xNi3Sn4-y single crystals (1999)

Shlyk, L., Waerenborgh, J. C., Estrela, Pedro, De Long, L. E., De Visser, A., Almeida, M.

U3Ni3Sn4 and U2.9Ni3.0Sn3.9 single crystals exhibit a non-Fermi-liquid susceptibility chi proportional to T-0.3 between 1.7 and 10 K. The electronic heat capacity coefficient gamma(T) of...

Magnetic and transport properties of U2Pt2In single crystals (1999)

Pereira, L. C. J., Almeida, M., Estrela, Pedro, Godinho, M., Rebizant, J., Spirlet, J. C., ...

Magnetic and transport measurements are reported on U2Pt2 single crystals that crystallize in the tetragonal Zr3Al2-type structure. Magnetization shows enhanced Pauli paramagnetism, reaching a broad...

Magnetization density distribution in U2Co2Sn (1999)

Paixao, J. A., Pereira, L. C. J., Estrela, Pedro, Godinho, M, Almeida, M, Paolasini, L, ...

A magnetization density study by means of polarized-neutron scattering on the intermetallic compound UzCo2Sn is reported. U2Co2Sn belongs to the large An(2)T(2)X (An = U, Np, Pu, Am; T = transition...

Crystallographic and magnetic properties of UFe5.8Al6.2 single crystals (1998)

Goncalves, A. P., Estrela, Pedro, Waerenborgh, J. C., Paixao, J. A., Bonnet, M., Spirlet, J. C., ...

Single crystals of UFe5.8Al6.2 were characterised by X-ray and neutron diffraction, Fe-57 Mossbauer spectroscopy and magnetisation. The structure refinement by X-ray and neutron diffraction shows a...

Structural, magnetic and transport properties of single-crystalline U2Pt2In (1998)

Estrela, Pedro, Pereira, L. C. J., De Visser, A., De Boer, F. R., Almeida, M., Godinho, M., ...

Single crystals of the heavy-electron compound U2Pt2In have been grown by a modified mineralization technique. The x-ray structure refinement shows that U2Pt2In single crystals form in the Zr3Al2...

Single crystal magnetisation of UFe10Mo2 (1997)

Estrela, Pedro, Goncalves, A. P., Godinho, M., Almeida, M., Spirlet, J. C.

Magnetisation measurements have been performed for different directions on aligned UFe10Mo2 single crystals. The results confirm a basal plane anisotropy and suggest an important magnetic...

Charge Density Wave Dynamics in Quasi-One Dimensional Molecular Conductors: a Comparative Study of (Per)2M(mnt)2 with M = Au, Pt (1996)

Lopes, E., Matos, M., Henriques, R., Almeida, M., Dumas, J.

The molecular compounds (Per)2M(mnt)2 where Per = perylene and mnt = maleonitriledithiolate are quasi-one dimensional conductors which undergo metal-to-semiconductor...

Charge Density Wave Dynamics in Quasi-One Dimensional Molecular Conductors: a Comparative Study of (Per)2M(mnt)2 with M = Au, Pt (1996)

Lopes, E., Matos, M., Henriques, R., Almeida, M., Dumas, J.

The molecular compounds (Per)2M(mnt)2 where Per = perylene and mnt = maleonitriledithiolate are quasi-one dimensional conductors which undergo metal-to-semiconductor...

Charge Density Wave Dynamics in Quasi-One Dimensional Molecular Conductors: a Comparative Study of (Per)2M(mnt)2 with M = Au, Pt (1996)

Lopes, E., Matos, M., Henriques, R., Almeida, M., Dumas, J.

The molecular compounds (Per)2M(mnt)2 where Per = perylene and mnt = maleonitriledithiolate are quasi-one dimensional conductors which undergo metal-to-semiconductor...

A single-crystal magnetization and neutron scattering investigation of the magnetic structure of U2Rh2Sn (1996)

Pereira, L. C. J., Paixao, J. A., Estrela, Pedro, Godinho, M., Boudarot, F., Bonnet, M., ...

U2Rh2Sn is a member of a large family of intermetallic compounds with the tetragonal U3Si2 crystal structure. It orders antiferromagnetically at 28 K with the propagation vector k = (0, 0, 1/2). We...

Anomalous magnetization process in UFe4Al8 probed by magnetization and magnetoresistance (1996)

Godinho, M., Estrela, Pedro, Goncalves, A. P., Almeida, M., Spirlet, J. C., Bonfait, G.

A strong anisotropic magnetoresistance has been measured in a single crystal of UFe4Al8 and has been used to prove the ferromagnetic order of the U lattice. The giant anomaly detected in the...

Giant-magnetoresistance anomaly associated with a magnetization process in UFe4Al8 (1996)

Bonfait, G., Godinho, M., Estrela, Pedro, Goncalves, A. P., Almeida, M., Spirlet, J. C.

Magnetoresistance and magnetization measurements on a UFe4Al8 single crystal are reported. A strong anisotropic magnetoresistance is found in this compound and is used to prove the ferromagnetic...

Quantum Transport in the Charge-Density-Wave State of the Quasi Two-Dimensional Bronzes (${\bf PO_2}$) 4(${\bf WO_3}$)$_{\bf 2m}({\bf m}={\bf 4, 6})$ (1995)

Le Touze, C., Bonfait, G., Schlenker, C., Dumas, J., Almeida, M., Greenblatt, M., ...

Magnetotransport has been studied on the quasi two-dimensional monophosphate tungsten bronzes (PO2)4(WO3)2m for m=4 and 6, between 0.3 and 300 K in fields up to 18 T. These compounds show several...

Wave Analysis of the Charge Density Wave Dynamics in the Molecular Conductor (Perylene)2Pt(mnt)2 (mnt=maleonitriledithiolate) (1995)

Dumas, J., Thirion, N., Almeida, M., Lopes, E., Matos, M., Henriques, R.

A new method based on the wavelet analysis of the voltage oscillations generated above threshold electric field for depinning of the charge density wave (CDW) in the molecular conductor...

Quantum Transport in the Charge-Density-Wave State of the Quasi Two-Dimensional Bronzes (${\bf PO_2}$) 4(${\bf WO_3}$)$_{\bf 2m}({\bf m}={\bf 4, 6})$ (1995)

Le Touze, C., Bonfait, G., Schlenker, C., Dumas, J., Almeida, M., Greenblatt, M., ...

Magnetotransport has been studied on the quasi two-dimensional monophosphate tungsten bronzes (PO2)4(WO3)2m for m=4 and 6, between 0.3 and 300 K in fields up to 18 T. These compounds show several...

Wave Analysis of the Charge Density Wave Dynamics in the Molecular Conductor (Perylene)2Pt(mnt)2 (mnt=maleonitriledithiolate) (1995)

Dumas, J., Thirion, N., Almeida, M., Lopes, E., Matos, M., Henriques, R.

A new method based on the wavelet analysis of the voltage oscillations generated above threshold electric field for depinning of the charge density wave (CDW) in the molecular conductor...

Quantum Transport in the Charge-Density-Wave State of the Quasi Two-Dimensional Bronzes (${\bf PO_2}$) 4(${\bf WO_3}$)$_{\bf 2m}({\bf m}={\bf 4, 6})$ (1995)

Le Touze, C., Bonfait, G., Schlenker, C., Dumas, J., Almeida, M., Greenblatt, M., ...

Magnetotransport has been studied on the quasi two-dimensional monophosphate tungsten bronzes (PO2)4(WO3)2m for m=4 and 6, between 0.3 and 300 K in fields up to 18 T. These compounds show several...

Wave Analysis of the Charge Density Wave Dynamics in the Molecular Conductor (Perylene)2Pt(mnt)2 (mnt=maleonitriledithiolate) (1995)

Dumas, J., Thirion, N., Almeida, M., Lopes, E., Matos, M., Henriques, R.

A new method based on the wavelet analysis of the voltage oscillations generated above threshold electric field for depinning of the charge density wave (CDW) in the molecular conductor...

Structural and physical properties of UFe10Mo2 (1995)

Goncalves, A. P., Estrela, Pedro, Waerenborgh, J. C., Godinho, M., Almeida, M., Spirlet, J. C.

UFe10Mo2 was obtained as single-phase polycrystalline material by annealing at 1450 K a polyphasic sample prepared by melting the elements. This compound was characterized by single-crystal X-ray...

Structural and magnetic properties of UFexM12-x (M = Al, Mo and Si) intermetallic compounds (1995)

Goncalves, A. P., Bonfait, G., Almeida, M., Estrela, Pedro, Godinho, M., Spirlet, J. C.

The U-Fe-M, M = Al, Mo and Si, phase diagrams around UFexM12-x compositions were investigated in order to find congruent melting compounds with ThMn12-type structure. This structure was confirmed in...

Magnetic Properties of UFe10Si2 Single Crystal (1995)

Estrela, Pedro, Godinho, M., Goncalves, A. P., Almeida, M., Spirlet, J. C.

UFe10Si2 single crystals with ThMn12-type structure were studied by X-ray diffraction and magnetisation measurements. A uniaxial anisotropy, a saturation magnetisation of 19.5 mu(B) f.u.(-1) and a...

Structural and magnetic investigations of the Peierls transition of α-(Per)2M(mnt)2 with M = Fe and Co (1993)

Gama, V., Henriques, R., Almeida, M., Bourhonnais, C., Pouget, J., Jérôme, D., ...

In this work we present and discuss the temperature variation of X-ray, EPR and nuclear spin-lattice relaxation rate measurements for the two quasi-one-dimensional compounds α-(Per)2Fe(mnt)2 and...

Spin-Peierls instability in Per2 [M(mnt)2] compounds probed by specific heat (1993)

Bonfait, G., Matos, M., Henriques, R., Almeida, M.

Specific heat measurements on Per2 [M(mnt)2] compounds with M=Pt and Au are reported. An anomaly was found in the Pt compound, ascribed to the magnetic ordering of the Pt(mnt)2 chains as in the...

Spin-Peierls instability in Per2 [M(mnt)2] compounds probed by specific heat (1993)

Bonfait, G., Matos, M., Henriques, R., Almeida, M.

Specific heat measurements on Per2 [M(mnt)2] compounds with M=Pt and Au are reported. An anomaly was found in the Pt compound, ascribed to the magnetic ordering of the Pt(mnt)2 chains as in the...

Structural and magnetic investigations of the Peierls transition of α-(Per)2M(mnt)2 with M = Fe and Co (1993)

Gama, V., Henriques, R., Almeida, M., Bourhonnais, C., Pouget, J., Jérôme, D., ...

In this work we present and discuss the temperature variation of X-ray, EPR and nuclear spin-lattice relaxation rate measurements for the two quasi-one-dimensional compounds α-(Per)2Fe(mnt)2 and...

Spin-Peierls instability in Per2 [M(mnt)2] compounds probed by specific heat (1993)

Bonfait, G., Matos, M., Henriques, R., Almeida, M.

Specific heat measurements on Per2 [M(mnt)2] compounds with M=Pt and Au are reported. An anomaly was found in the Pt compound, ascribed to the magnetic ordering of the Pt(mnt)2 chains as in the...

Structural and magnetic investigations of the Peierls transition of α-(Per)2M(mnt)2 with M = Fe and Co (1993)

Gama, V., Henriques, R., Almeida, M., Bourhonnais, C., Pouget, J., Jérôme, D., ...

In this work we present and discuss the temperature variation of X-ray, EPR and nuclear spin-lattice relaxation rate measurements for the two quasi-one-dimensional compounds α-(Per)2Fe(mnt)2 and...

Noether symmetries and the Swinging Atwood Machine (1991)

Moreira, I., Almeida, M.

In this work we apply the Noether theorem with generalised symmetries for discussing the integrability of the Swinging Atwood Machine (SAM) model. We analyse also the limitations of this procedure...

LASER SURFACE MELTING OF SINTERED AISI T15 HIGH-SPEED STEEL (1991)

Vilar, R., Sabino, R., Almeida, M.

Samples of AISI T15 high speed steel produced by powder metallurgy were melted using CW CO2 laser radiation. The power density and the interaction time were varied in the ranges 7*104-105 w/cm2 and...

LASER SURFACE MELTING OF SINTERED AISI T15 HIGH-SPEED STEEL (1991)

Vilar, R., Sabino, R., Almeida, M.

Samples of AISI T15 high speed steel produced by powder metallurgy were melted using CW CO2 laser radiation. The power density and the interaction time were varied in the ranges 7*104-105 w/cm2 and...

Noether symmetries and the Swinging Atwood Machine (1991)

Moreira, I., Almeida, M.

In this work we apply the Noether theorem with generalised symmetries for discussing the integrability of the Swinging Atwood Machine (SAM) model. We analyse also the limitations of this procedure...

LASER SURFACE MELTING OF SINTERED AISI T15 HIGH-SPEED STEEL (1991)

Vilar, R., Sabino, R., Almeida, M.

Samples of AISI T15 high speed steel produced by powder metallurgy were melted using CW CO2 laser radiation. The power density and the interaction time were varied in the ranges 7*104-105 w/cm2 and...

Noether symmetries and the Swinging Atwood Machine (1991)

Moreira, I., Almeida, M.

In this work we apply the Noether theorem with generalised symmetries for discussing the integrability of the Swinging Atwood Machine (SAM) model. We analyse also the limitations of this procedure...

Comparative Growth of Natural Bacterial Isolates on Various Lignin-Related Compounds

Gonzalez, B., Merino, A., Almeida, M., Vicña, R.

Bacterial strains were isolated on the basis of their ability to proliferate in a minimal medium containing one of a series of lignin-related compounds as the sole carbon and energy source. These...

Osteopontin is elevated during neointima formation in rat arteries and is a novel component of human atherosclerotic plaques.

Giachelli, C M, Bae, N, Almeida, M, Denhardt, D T, Alpers, C E, Schwartz, S M

In an earlier report, we used differential cloning to identify genes that might be critical in controlling arterial neointima formation (Giachelli, C., N. Bae, D. Lombardi, M. Majesky, and S....

Comparative Growth of Natural Bacterial Isolates on Various Lignin-Related Compounds

Gonzalez, B., Merino, A., Almeida, M., Vicña, R.

Bacterial strains were isolated on the basis of their ability to proliferate in a minimal medium containing one of a series of lignin-related compounds as the sole carbon and energy source. These...

Osteopontin is elevated during neointima formation in rat arteries and is a novel component of human atherosclerotic plaques.

Giachelli, C M, Bae, N, Almeida, M, Denhardt, D T, Alpers, C E, Schwartz, S M

In an earlier report, we used differential cloning to identify genes that might be critical in controlling arterial neointima formation (Giachelli, C., N. Bae, D. Lombardi, M. Majesky, and S....

Evidence for a role of osteopontin in macrophage infiltration in response to pathological stimuli in vivo.

Giachelli, C. M., Lombardi, D., Johnson, R. J., Murry, C. E., Almeida, M.

Previous studies have suggested that osteopontin, an arginine-glycine-aspartate-containing secreted protein, might be important in macrophage accumulation during interstitial nephritis and wound...

Autocrine secretion of osteopontin by vascular smooth muscle cells regulates their adhesion to collagen gels.

Weintraub, A. S., Giachelli, C. M., Krauss, R. S., Almeida, M., Taubman, M. B.

Osteopontin (OPN) is a secreted protein postulated to facilitate vascular smooth muscle cell (VSMC) adhesion and migration. Rat aortic VSMC lines were isolated after infection with recombinant...

X;Y translocation in an adolescent mentally normal phenotypic male with features of hypogonadism.

Bernstein, R, Pinto, M R, Almeida, M, Solarsh, S M, Meck, J, Jenkins, T

Cytogenetic studies on a 17-year-old phenotypic male, with short stature and clinical and hormonal features of hypogonadism similar to those of an XX male, revealed an X;Y translocation, karyotype,...