A. Chattopadhyay

Publication List Details

Period

1991 - 2006

Number

75

Co-Authors

EVALUATION OF BUTACHLOR FOR CONTROL OF SUBMERGEDMACROPHYTES ALONG WITH ITS IMPACT ON BIOTIC COMPONENTSOF FRESHWATER SYSTEM (2006)

Chattopadhyay, A., Adhikari, S., Adhikary, S. P., Ayyappan, S.

In this investigation, the efficacy of the herbicide butachlor, (N-butoxymethyl-2 chloro-21, 61 diethyl acetanilide) was tested against few common submerged macrophytes namely Hydrilla (Hydrilla...

Hip and non-spine fracture risk reductions differ among antiresorptive agents: Evidence from randomised controlled trials. (2006)

Liberman, U., Hochberg, M., Shah, A., Lin, J., Chattopadhyay, A., ...

A number of antiresorptive agents reduce the risk of vertebral fractures, but few have shown consistent effects on hip and other non-spine fractures. Meta-analysis provides a more precise estimate...

Hip and non-spine fracture risk reductions differ among antiresorptive agents: Evidence from randomised controlled trials. (2006)

Liberman, U., Hochberg, M., Shah, A., Lin, J., Chattopadhyay, A., ...

A number of antiresorptive agents reduce the risk of vertebral fractures, but few have shown consistent effects on hip and other non-spine fractures. Meta-analysis provides a more precise estimate...

Hip and non-spine fracture risk reductions differ among antiresorptive agents: Evidence from randomised controlled trials. (2006)

Liberman, U., Hochberg, M., GEUSENS, Piet, Shah, A., Lin, J., Chattopadhyay, A., ...

A number of antiresorptive agents reduce the risk of vertebral fractures, but few have shown consistent effects on hip and other non-spine fractures. Meta-analysis provides a more precise estimate...

Hip and nonspine fracture risk reductions differ among antiresorptive agents. Evidence from randomized controlled trials. (2005)

Liberman, UA, Hochberg, MC, Chattopadhyay, A, Ross, PD, GEUSENS, Piet

Tel Aviv Univ, IL-49100 Petah Tiqwa, Israel. Univ Limburg, Diepenbeek, Belgium. Univ Maastricht, Diepenbeek, Belgium. Univ Maryland, College Pk, MD 20742 USA. Merck Res Labs, Rahway, NJ USA.

Hip and nonspine fracture risk reductions differ among antiresorptive agents. Evidence from randomized controlled trials. (2005)

Liberman, UA, Hochberg, MC, Chattopadhyay, A, Ross, PD, GEUSENS, Piet

Tel Aviv Univ, IL-49100 Petah Tiqwa, Israel. Univ Limburg, Diepenbeek, Belgium. Univ Maastricht, Diepenbeek, Belgium. Univ Maryland, College Pk, MD 20742 USA. Merck Res Labs, Rahway, NJ USA.

RTL Processor Synthesis for Architecture Exploration and Implementation (2004)

Oliver Schliebusch, A. Chattopadhyay, R. Leupers, G. Ascheid, H. Meyr, Mario Steinert, ...

Architecture description languages are widely used to perform architecture exploration for application-driven designs, whereas the RT-level is the commonly accepted level for hardware implementation....

Charges for oral health care during a period of economic growth in the US: 1987-96 (2003)

Chattopadhyay, A., Slade, Gary Douglas, Shugars, D. A.

This study aimed to provide estimates of amounts charged for dental care during 1996 for the US adult population and its major sociodemographic subgroups, and to evaluate whether charges had...

Charges for oral health care during a period of economic growth in the US: 1987-96 (2003)

Chattopadhyay, A., Slade, Gary Douglas, Shugars, D. A.

This study aimed to provide estimates of amounts charged for dental care during 1996 for the US adult population and its major sociodemographic subgroups, and to evaluate whether charges had...

Dynamical Mean Field Theory of Double Perovskite Ferrimagnets (2002)

Phillips, K., Chattopadhyay, A., Millis, A. J.

The dynamical mean field method is used to analyze the magnetic transition temperature and optical conductivity of a model for the ferrimagnetic double perovskites such as $Sr_2FeMoO_6$. The...

Dopants, Defects and Magnetism in Epitaxial CoxTi1-xO2-x Anatase (2002)

Chambers, S. A., Heald, S. M., Farrow, R. F. C., Marks, R. F., Toney, M. F., ...

We demonstrate that room-temperature ferromagnetism in epitaxial Co-doped TiO2 anatase is driven by electron-mediated exchange interaction, and not by metallic Co clusters. Co(II) substitutes for...

Transition temperature of ferromagnetic semiconductors: a dynamical mean field study (2001)

Chattopadhyay, A., Sarma, S. Das, Millis, A. J.

We formulate a theory of doped magnetic semiconductors such as Ga$_{1-x}$Mn$_x$As which have attracted recent attention for their possible use in spintronic applications. We solve the theory in the...

A dynamical mean field theory for the magnetic transition temperature of ferromagnetic semiconductors (2001)

Chattopadhyay, A., Sarma, S. Das, Millis, A. J.

This paper has been withdrawn by the authors due to a numerical error. A revised version will be posted shortly.

Theory of Transition Temperature of Magnetic Double Perovskites (2000)

Chattopadhyay, A., Millis, A. J.

We formulate a theory of double perovskite coumpounds such as Sr$_2$FeReO$_6$ and Sr$_2$FeMoO$_6$ which have attracted recent attention for their possible uses as spin valves and sources of spin...

Metallic and nonmetallic double perovskites: A case study of A$_2$FeReO$_6$ (A= Ca, Sr, Ba) (2000)

Gopalakrishnan, J., Chattopadhyay, A., Ogale, S. B., Venkatesan, T., Greene, R. L., Millis, A. J., ...

We have investigated the structure and electronic properties of ferrimagnetic double perovskites, A2FeReO6 (A= Ca, Sr, Ba). The A=Ba phase is cubic (Fm3m) and metallic, while the A=Ca phase is...

T=0 Phase Diagram of the Double-Exchange Model (2000)

Chattopadhyay, A., Millis, A. J., Sarma, S. Das

We present the T=0 phase diagram of the double-exchange model (ferromagnetic Kondo lattice model) for all values of the carrier concentration $n$ and Hund's couplng $J$, within dynamical mean field...

Convenient Synthesis of (3R, 4S)-4-Methyl-3-hexanol and (S)-4-Methyl-3-hexanone, the Pheromones of Ants (2000)

B. Dhotare, S. A. Hassarajani, A. Chattopadhyay

Synthesis of enantiopure pheromones I and II, both of them bearing chiral methyl branching and an α-oxygenated carbon centre, has been accomplished using compound 2 prepared from D-mannitol as...

Optical spectral weights and the ferromagnetic transition temperature of CMR manganites: relevance of double-exchange to real materials (1999)

Chattopadhyay, A., Millis, A. J., Sarma, S. Das

We present a thorough and quantitative comparison of double-exchange models to experimental data on the colossal magnetoresistance manganese perovskites. Our results settle a controversy by showing...

Modeling and Analysis of Composites Using Smart Materials and Optimization Techniques (1998)

Chattopadhyay, A.

The vibratory load reduction at rotor hub using self-sensing piezoelectric material and closed loop control is investigated, A composite box beam theory is developed to model the primary load...

Weak magnetoresistance of disordered heavy fermion systems (1998)

Chattopadhyay, A., Jarrell, M., Krishnamurthy, H. R., Ng, H. K., Sarrao, J., Fisk, Z.

We compare the magnetoresistance of UCu$_{3.5}$Pd$_{1.5}$ with calculations done within the disordered heavy fermion framework of Miranda et al. using a phenomenological spectral function for the...

Synthesis of the Demospongic Compounds, (6Z, 11Z)-Octadecadienoic Acid and (6Z, 11Z)-Eicosadienoic Acid (1997)

B. A. Kulkarni, S. Chattopadhyay, A. Chattopadhyay, V. R. Mamdapur

A stereoselective synthesis of (6Z, 11Z)-octadecadienoic acid (1) and (6Z, 11Z)-eicosadienoic acid (2) from easily accessible pentane-1,5-diol (3) is described. Thus, compound 3 on pyranylation and...

Dynamics of disordered heavy Fermion systems (1996)

Chattopadhyay, A., Jarrell, M.

Dynamics of the disordered heavy Fermion model of Dobrosavljevic et al. are calculated using an expression for the spectral function of the Anderson model which is consistent with quantum Monte Carlo...

Non Fermi Liquid Dynamics of the Two-Channel Kondo Lattice (1996)

Jarrell, M., Pang, Hanbin, Cox, D. L., Anders, F., Chattopadhyay, A.

The paramagnetic phase of the two-channel Kondo lattice model is examined with a Quantum Monte Carlo simulation in the limit of infinite dimensions. We find non-Fermi-liquid behavior at low...

The eukaryotic initiation factor 2-associated 67-kDa polypeptide (p67) plays a critical role in regulation of protein synthesis initiation in animal cells.

Ray, M K, Datta, B, Chakraborty, A, Chattopadhyay, A, Meza-Keuthen, S, Gupta, N K

The eukaryotic initiation factor 2 (eIF-2)-associated 67-kDa polypeptide (p67) isolated from reticulocyte lysate protects the eIF-2 alpha subunit from eIF-2 kinase-catalyzed phosphorylation and...

Ionization, partitioning, and dynamics of tryptophan octyl ester: implications for membrane-bound tryptophan residues.

Chattopadhyay, A, Mukherjee, S, Rukmini, R, Rawat, S S, Sudha, S

The presence of tryptophan residues as intrinsic fluorophores in most proteins makes them an obvious choice for fluorescence spectroscopic analyses of such proteins. Membrane proteins have been...

Photophysics of a neurotransmitter: ionization and spectroscopic properties of serotonin.

Chattopadhyay, A, Rukmini, R, Mukherjee, S

The neurotransmitter serotonin plays a modulatory role in the regulation of various cognitive and behavioral functions such as sleep, mood, pain, depression, anxiety, and learning by binding to a...

Localization and environment of tryptophans in soluble and membrane-bound states of a pore-forming toxin from Staphylococcus aureus.

Raja, S M, Rawat, S S, Chattopadhyay, A, Lala, A K

The location and environment of tryptophans in the soluble and membrane-bound forms of Staphylococcus aureus alpha-toxin were monitored using intrinsic tryptophan fluorescence. Fluorescence quenching...

Cholesterol organization in membranes at low concentrations: effects of curvature stress and membrane thickness.

Rukmini, R, Rawat, S S, Biswas, S C, Chattopadhyay, A

Cholesterol is often found distributed nonrandomly in domains in biological and model membranes and has been reported to be distributed heterogeneously among various intracellular membranes. Although...

The eukaryotic initiation factor 2-associated 67-kDa polypeptide (p67) plays a critical role in regulation of protein synthesis initiation in animal cells.

Ray, M K, Datta, B, Chakraborty, A, Chattopadhyay, A, Meza-Keuthen, S, Gupta, N K

The eukaryotic initiation factor 2 (eIF-2)-associated 67-kDa polypeptide (p67) isolated from reticulocyte lysate protects the eIF-2 alpha subunit from eIF-2 kinase-catalyzed phosphorylation and...

Ionization, partitioning, and dynamics of tryptophan octyl ester: implications for membrane-bound tryptophan residues.

Chattopadhyay, A, Mukherjee, S, Rukmini, R, Rawat, S S, Sudha, S

The presence of tryptophan residues as intrinsic fluorophores in most proteins makes them an obvious choice for fluorescence spectroscopic analyses of such proteins. Membrane proteins have been...

Photophysics of a neurotransmitter: ionization and spectroscopic properties of serotonin.

Chattopadhyay, A, Rukmini, R, Mukherjee, S

The neurotransmitter serotonin plays a modulatory role in the regulation of various cognitive and behavioral functions such as sleep, mood, pain, depression, anxiety, and learning by binding to a...

Localization and environment of tryptophans in soluble and membrane-bound states of a pore-forming toxin from Staphylococcus aureus.

Raja, S M, Rawat, S S, Chattopadhyay, A, Lala, A K

The location and environment of tryptophans in the soluble and membrane-bound forms of Staphylococcus aureus alpha-toxin were monitored using intrinsic tryptophan fluorescence. Fluorescence quenching...

Cholesterol organization in membranes at low concentrations: effects of curvature stress and membrane thickness.

Rukmini, R, Rawat, S S, Biswas, S C, Chattopadhyay, A

Cholesterol is often found distributed nonrandomly in domains in biological and model membranes and has been reported to be distributed heterogeneously among various intracellular membranes. Although...

Neuromuscular disorder as a presenting feature of coeliac disease

Hadjivassiliou, M, Chattopadhyay, A, Davies-Jones, G, Gibson, A, Grunewald, R, Lobo, A

OBJECTIVES—To describe the range of neuromuscular disorders which may be associated with cryptic coeliac disease.
METHODS—Nine patients were described with neuromuscular disorders associated...