Keyword search (3,448 papers available)


MoEDAL Search in the CMS Beam Pipe for Magnetic Monopoles Produced via the Schwinger Effect

Author(s): Acharya B; Alexandre J; Behera SC; Benes P; Bergmann B; Bertolucci S; Bevan A; Brancaccio R; Branzas H; Burian P; Campbell M; Cecchini S; Ch...

We report on a search for magnetic monopoles (MMs) produced in ultraperipheral Pb-Pb collisions during Run 1 of the LHC. The beam pipe surrounding the interaction region of the CMS experiment was e...

Article GUID: 39213579
Electro-chemical studies of Zn doped nickel oxide nanoparticles synthesized via solution combustion method using green and chemical fuels

Author(s): Nasir Ahamed N; Pattar J; Anil Kumar MR; Basavaraju N; Raghavendra N; T M S; Ravikumar CR; Murthy HCA;...

This study presents a new green solution combustion method (aloe vera gel extract as fuel) and chemical method (glucose as fuel) to synthesise Zn-doped nickel oxide nanoparticles (Zn:NiO NPs). The ...

Article GUID: 38832249
Typical and extreme weather datasets for studying the resilience of buildings to climate change and heatwaves

Author(s): Machard A; Salvati A; P Tootkaboni M; Gaur A; Zou J; Wang LL; Baba F; Ge H; Bre F; Bozonnet E; Corrado V; Luo X; Levinson R; Lee SH; Hong T;...

We present unprecedented datasets of current and future projected weather files for building simulations in 15 major cities distributed across 10 climate zones worldwide. The datasets include ambie...

Article GUID: 38782916
High-Resolution Frequency-Domain Spectroscopic and Modeling Studies of Photosystem I (PSI), PSI Mutants and PSI Supercomplexes

Author(s): Zazubovich V; Jankowiak R;

Photosystem I (PSI) is one of the two main pigment-protein complexes where the primary steps of oxygenic photosynthesis take place. This review describes low-temperature frequency-domain experiments (absorption, emission, circular dichroism, resonant and no...

Article GUID: 38612659
In Silico Study of the Early Stages of Aggregation of β-Sheet Forming Antimicrobial Peptide GL13K

Author(s): Hamidabad MN; Watson NA; Wright LN; Mansbach RA;

Antimicrobial peptides (AMPs) are of growing interest as potential candidates that may offer more resilience against antimicrobial resistance than traditional antibiotic agents. In this article, we perform the first in silico study of the synthetic ß sheet-...

Article GUID: 38572930
Mechanical Control of Quantum Transport in Graphene

Author(s): McRae AC; Wei G; Huang L; Yigen S; Tayari V; Champagne AR;

2D materials (2DMs) are fundamentally electro-mechanical systems. Their environment unavoidably strains them and modifies their quantum transport properties. For instance, a simple uniaxial strain can completely turn off the conductance of ballistic graphen...

Article GUID: 38558481
Identification of Residues Potentially Involved in Optical Shifts in the Water-Soluble Chlorophyll a-Binding Protein through Molecular Dynamics Simulations

Author(s): Mai M; Zazubovich V; Mansbach RA;

Reversible light and thermally induced spectral shifts are universally observed in a wide variety of pigment-protein complexes at temperatures ranging from cryogenic to ambient. In this paper, we employed large-scale molecular dynamics (MD) simulations of a...

Article GUID: 38299975
Cavitation-Enhanced Drug Delivery and Immunotherapy

Author(s): Helfield B; Sirsi S; Kwan J; Gray M;

Welcome to this special issue on Cavitation-Enhanced Drug Delivery and Immunotherapy-a rapidly evolving area that has been buoyed in recent years by the development of methods harnessing the activity of ultrasound-stimulated bubbles known as cavitation [...].

Article GUID: 37765176
Measuring prion propagation in single bacteria elucidates a mechanism of loss

Author(s): Jager K; Orozco-Hidalgo MT; Springstein BL; Joly-Smith E; Papazotos F; McDonough E; Fleming E; McCallum G; Yuan AH; Hilfinger A; Hochschild ...

Prions are self-propagating protein aggregates formed by specific proteins that can adopt alternative folds. Prions were discovered as the cause of the fatal transmissible spongiform encephalopathi...

Article GUID: 37738299
Photonic enhancement in photoluminescent metal halide perovskite-photonic crystal bead hybrids

Author(s): Lapointe V; Imperiale CJ; Chengadu S; Pomilio CM; Ganesh M; Kéna-Cohen S; Majewski MB;

We report two photonic crystal-perovskite nanocrystal microbead hybrids with photoluminescence matching that of the parent nanocrystals but with increased photoluminescence quantum yields. Time-resolved photoluminescence spectroscopy quantifies the radiativ...

Article GUID: 37548908
Sex-Specific Cerebral Blood Flow Alterations in Youth Operated for Congenital Heart Disease

Author(s): Easson K; Gilbert G; Gauthier C; Rohlicek CV; Saint-Martin C; Brossard-Racine M;

Background Lower cerebral blood flow (CBF) has previously been documented preoperatively in neonates with congenital heart disease (CHD). However, it remains unclear if these CBF deficits persist over the life span of CHD survivors following heart surgery. ...

Article GUID: 37301764
SiCNFe Ceramics as Soft Magnetic Material for MEMS Magnetic Devices: A Mössbauer Study

Author(s): Stiharu I; Andronenko S; Zinnatullin A; Vagizov F;

Polymer-derived SiCNFe ceramics is a prospective material that can be used as soft magnets in MEMS magnetic applications. The optimal synthesis process and low-cost appropriate microfabrication should be developed for best result. Homogeneous and uniform ma...

Article GUID: 37241549
Spin-dependent polarization and quantum Hall conductivity in decorated graphene: influence of locally induced spin-orbit-couplings and impurities

Author(s): Belayadi A; Vasilopoulos P;

We study spin transport through graphene-like substrates in the presence of one or several, locally induced spin-orbit coupling (SOC) terms resulting from periodically placed strips, on their top and decorated with a random distribution of impurities. Intri...

Article GUID: 37230067
Fluid flow influences ultrasound-assisted endothelial membrane permeabilization and calcium flux

Author(s): Memari E; Hui F; Yusefi H; Helfield B;

The local fluid dynamics experienced by circulating microbubbles vary across different anatomical sites, which can influence ultrasound-mediated therapeutic delivery efficacy. This study aimed to elucidate the effect of fluid flow rate in combination with r...

Article GUID: 37150403
Transverse Magnetic Surface Plasmons in Graphene Nanoribbon Qubits: The Influence of a VO2 Substrate

Author(s): Bahrami M; Vasilopoulos P;

We study the influence of the phase-change material VO2 on transverse magnetic (TM) surface plasmon (SP) modes in metallic arm-chair graphene nanoribbon (AGNR) qubits in the Lindhard approximation. We assess the effects of temperature as a dynamic knob for ...

Article GUID: 36839087
Mutant cancer protein STAT5b has two distinct conformational states

Author(s): Haas-Neill L; Meneksedag-Erol D; Rauscher S;

No abstract

Article GUID: 36782815
Unique Photoactivated Time-Resolved Response in 2D GeS for Selective Detection of Volatile Organic Compounds

Author(s): Mohammadzadeh MR; Hasani A; Jaferzadeh K; Fawzy M; De Silva T; Abnavi A; Ahmadi R; Ghanbari H; Askar A; Kabir F; Rajapakse RKND; Adachi MM;...

Volatile organic compounds (VOCs) sensors have a broad range of applications including healthcare, process control, and air quality analysis. There are a variety of techniques for detecting VOCs su...

Article GUID: 36658730
Network analysis uncovers the communication structure of SARS-CoV-2 Spike protein identifying sites for immunogen design

Author(s): Manrique PD; Chakraborty S; Henderson R; Edwards RJ; Mansbach R; Nguyen K; Stalls V; Saunders C; Mansouri K; Acharya P; Korber B; Gnanakaran...

The COVID-19 pandemic, caused by the SARS-CoV-2 virus, has triggered myriad efforts to understand the structure and dynamics of this complex pathogen. The Spike glycoprotein of SARS-CoV-2 is a sign...

Article GUID: 36590900
A spin modulating device, tuned by the Fermi energy, in honeycomb-like substrates periodically stubbed with transition-metal-dichalkogenides

Author(s): Belayadi A; Vasilopoulos P;

We investigate spin transport through graphene-like substrates stubbed vertically with transition-metal-dichalkogenides (TMDs). A tight-binding model is used based on a graphene-like Hamiltonian that includes di?erent types of spin-orbit coupling (SOC) term...

Article GUID: 36301679
Photoactivation and conformational gating for manganese binding and oxidation in bacterial reaction centers

Author(s): Samaei A; Deshmukh SS; Protheroe C; Nyéki S; Tremblay-Ethier RA; Kálmán L;

The influence of illumination history of native bacterial reaction centers (BRCs) on the ability of binding and photo-induced oxidation of manganous ions was investigated in the pH range between 8.0 and 9.4. Binding of manganous ions to a buried site requir...

Article GUID: 36216075
Frequency-Domain Spectroscopic Study of the Photosystem I Supercomplexes, Isolated IsiA Monomers, and the Intact IsiA Ring

Author(s): Reinot T; Khmelnitskiy A; Zazubovich V; Toporik H; Mazor Y; Jankowiak R;

The PSI3-IsiA18 supercomplex is one of the largest and most complicated assemblies in photosynthesis. The IsiA ring, composed of 18 IsiA monomers (IsiA18) surrounding the PSI trimer (PSI3), forms under iron-deficient conditions in cyanobacteria and acts as ...

Article GUID: 36065077
RPA Plasmons in Graphene Nanoribbons: Influence of a VO2 Substrate

Author(s): Bahrami M; Vasilopoulos P;

We study the effect of the phase-change material VO2 on plasmons in metallic arm-chair graphene nanoribbons (AGNRs) within the random-phase approximation (RPA) for intra- and inter-band transitions. We assess the influence of temperature as a knob for the t...

Article GUID: 36014730
A Review of Mathematical and Computational Methods in Cancer Dynamics

Author(s): Uthamacumaran A; Zenil H;

Cancers are complex adaptive diseases regulated by the nonlinear feedback systems between genetic instabilities, environmental signals, cellular protein flows, and gene regulatory networks. Understanding the cybernetics of cancer requires the integration of...

Article GUID: 35957879
Disrupted Lessons in Engineering Robotics: Pivoting Knowledge Transfer From Physical to Virtual Learning Environments

Author(s): Chichekian T; Trudeau J; Jawhar T;

This study examined the effects of an Arduino microrobot activity on college students' interest in robotics through three specific objectives: (1) determining how students' conceptual understanding regarding the basics of microcomputing and computer...

Article GUID: 35702710
Dissecting cell fate dynamics in pediatric glioblastoma through the lens of complex systems and cellular cybernetics

Author(s): Abicumaran Uthamacumaran

Cancers are complex dynamic ecosystems. Reductionist approaches to science are inadequate in characterizing their self-organized patterns and collective emergent behaviors. Since current approaches to single-cell analysis in cancer systems rely primarily on...

Article GUID: 35678918
Algorithmic reconstruction of glioblastoma network complexity

Author(s): Uthamacumaran A; Craig M;

Glioblastoma is a complex disease that is difficult to treat. Network and data science offer alternative approaches to classical bioinformatics pipelines to study gene expression patterns from single-cell datasets, helping to distinguish genes associated wi...

Article GUID: 35479408
Search for magnetic monopoles produced via the Schwinger mechanism

Author(s): Acharya B; Alexandre J; Benes P; Bergmann B; Bertolucci S; Bevan A; Branzas H; Burian P; Campbell M; Cho YM; de Montigny M; De Roeck A; Elli...

Electrically charged particles can be created by the decay of strong enough electric fields, a phenomenon known as the Schwinger mechanism1. By electromagnetic duality, a sufficiently strong magnet...

Article GUID: 35110756
Inhomogeneous linear responses and transport in armchair graphene nanoribbons in the presence of elastic scattering

Author(s): Bahrami M; Vasilopoulos P;

Within linear-response theory we derive a response function that thoroughly accounts for the in?uence of elastic scattering and is valid beyond the long-wavelength limit. We use the theory to evaluate the polarization function and the conductivity in metall...

Article GUID: 35090140
Experimental relativistic zero-knowledge proofs

Author(s): Alikhani P; Brunner N; Crépeau C; Designolle S; Houlmann R; Shi W; Yang N; Zbinden H;

Protecting secrets is a key challenge in our contemporary information-based era. In common situations, however, revealing secrets appears unavoidable; for instance, when identifying oneself in a bank to retrieve money. In turn, this may have highly undesira...

Article GUID: 34732869
Sustainable chemical processing of flowing wastewater through microwave energy

Author(s): Siddique F; Mirzaei A; Gonzalez-Cortes S; Slocombe D; Al-Megren HA; Xiao T; Rafiq MA; Edwards PP;...

Iron oxide nanostructured catalysts have emerged as potential candidates for efficient energy conversion and electrochemical energy storage devices. However, synthesis and design of nanomaterial pl...

Article GUID: 34474383
Heavy Z ' bosons in the secluded U ( 1 ) ' model at hadron colliders

Author(s): Frank M; Selbuz L; Turan I;

We study Z ' phenomenology at hadron colliders in an U ( 1 ) ' extended MSSM. We choose a U ( 1 ) ' model with a secluded sector, where the tension between the electroweak scale and developing a large enough mass for Z ' is resolved by...

Article GUID: 34075309
Exploring the Role of Glycans in the Interaction of SARS-CoV-2 RBD and Human Receptor ACE2

Author(s): Nguyen K; Chakraborty S; Mansbach RA; Korber B; Gnanakaran S;

COVID-19 is a highly infectious respiratory disease caused by the novel coronavirus SARS-CoV-2. It has become a global pandemic and its frequent mutations may pose new challenges for vaccine design. During viral infection, the Spike RBD of SARS-CoV-2 binds ...

Article GUID: 34067878
Metal Oxide Quantum Dots Embedded in Silica Matrices Made by Flame Spray Pyrolysis

Author(s): Riad KB; Hoa SV; Wood-Adams PM;

Quantum dots have unique size-dependent properties and promising applications. However, their use in many applications remains hindered by mechanical, thermal, and chemical instability and the lack of viable quantum dot mass-production processes. Embedding ...

Article GUID: 34056296
Effects of pH on an IDP conformational ensemble explored by molecular dynamics simulation.

Author(s): Lindsay RJ, Mansbach RA, Gnanakaran S, Shen T

The conformational ensemble of intrinsically disordered proteins, such as a-synuclein, are responsible for their function and malfunction. Misfolding of a-synuclein can lead to neurodegenerative diseases, and the ability to study their conformations and tho...

Article GUID: 33581430
Functional analysis of low-grade glioma genetic variants predicts key target genes and transcription factors.

Author(s): Manjunath M; Yan J; Youn Y; Drucker KL; Kollmeyer TM; McKinney AM; Zazubovich V; Zhang Y; Costello JF; Eckel-Passow J; Selvin PR; Jenkins RB...

BACKGROUND: Large-scale genome-wide association studies (GWAS) have implicated thousands of germline genetic variants in modulating individuals' risk to various diseases, including cancer. At l...

Article GUID: 33130899
Tuning the redox potential of the primary electron donor in bacterial reaction centers by manganese binding and light-induced structural changes.

Author(s): Deshmukh SS, Kálmán L

Biochim Biophys Acta Bioenerg. 2020 Aug 07;:148285 Authors: Deshmukh SS, Kálmán L

Article GUID: 32777306
Simulation of Capillary Hemodynamics and Comparison with Experimental Results of Microphantom Perfusion Weighted Imaging.

Author(s): S S, N RA

J Biomed Phys Eng. 2020 Jun;10(3):291-298 Authors: S S, N RA

Article GUID: 32637373
Bound detergent molecules in bacterial reaction centers facilitate detection of tetryl explosive.

Author(s): Modafferi D, Zazubovich V, Kálmán L

Photosynth Res. 2020 Jul 06;: Authors: Modafferi D, Zazubovich V, Kálmán L

Article GUID: 32632533
Improving 3D ultrasound prostate localisation in radiotherapy through increased automation of interfraction matching.

Author(s): Grimwood A, Rivaz H, Zhou H, McNair HA, Yakubowski K, Bamber JC, Tree AC, Harris EJ

Radiother Oncol. 2020 May 06;: Authors: Grimwood A, Rivaz H, Zhou H, McNair HA, Yakubowski K, Bamber JC, Tree AC, Harris EJ

Article GUID: 32387546
Editorial: Development of Student Understanding: Focus on Science Education.

Author(s): Kalman CS, Lattery M

Front Psychol. 2019;10:2861 Authors: Kalman CS, Lattery M PMID: 31920884 [PubMed]

Article GUID: 31920884
Evidence of Simultaneous Spectral Hole Burning Involving Two Tiers of the Protein Energy Landscape in Cytochrome b6f.

Author(s): Shafiei G, Levenberg A, Lujan MA, Picorel R, Zazubovich V

J Phys Chem B. 2019 Dec 12;: Authors: Shafiei G, Levenberg A, Lujan MA, Picorel R, Zazubovich V

Article GUID: 31763829
Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production.

Author(s): Acharya B, Alexandre J, Baines S, Benes P, Bergmann B, Bernabéu J, Bevan A, Branzas H, Campbell M, Cecchini S, Cho YM, de Montigny M, De Roe...

Phys Rev Lett. 2019 Jul 12;123(2):021802 Authors: Acharya B, Alexandre J, Baines S, Benes P, Bergmann B, Bernabéu J, Bevan A, Branzas H, Campbell M, Cecchini S, Cho YM, de Montigny M, De Roec...

Article GUID: 31386510
A method of calculating initial DNA strand breakage following the decay of incorporated 125I.

Author(s): Charlton DE, Humm JL

Int J Radiat Biol Relat Stud Phys Chem Med. 1988 Mar;53(3):353-65 Authors: Charlton DE, Humm JL

Article GUID: 3257951
Comments on strand breaks calculated from average doses to the DNA from incorporated isotopes.

Author(s): Charlton DE

Radiat Res. 1988 Apr;114(1):192-7 Authors: Charlton DE

Article GUID: 3353505
Calculation of initial yields of single- and double-strand breaks in cell nuclei from electrons, protons and alpha particles.

Author(s): Charlton DE, Nikjoo H, Humm JL

Int J Radiat Biol. 1989 Jul;56(1):1-19 Authors: Charlton DE, Nikjoo H, Humm JL

Article GUID: 2569005
Cell survival from single passages for high-LET track-segment experiments with cell monolayers.

Author(s): Charlton DE, Turner MS

Radiat Res. 1993 Nov;136(2):297 Authors: Charlton DE, Turner MS PMID: 8248489 [PubMed - indexed for MEDLINE]

Article GUID: 8248489
Monte Carlo calculations of ion passages through brain endothelial nuclei during boron neutron capture therapy.

Author(s): Charlton DE, Allen BJ

Int J Radiat Biol. 1993 Dec;64(6):739-47 Authors: Charlton DE, Allen BJ

Article GUID: 7903342
Use of chord lengths through the nucleus to simulate the survival of mammalian cells exposed to high LET alpha-radiation.

Author(s): Charlton DE, Turner MS

Int J Radiat Biol. 1996 Feb;69(2):213-7 Authors: Charlton DE, Turner MS PMID: 8609458 [PubMed - indexed for MEDLINE]

Article GUID: 8609458
Microdosimetry of haemopoietic stem cells irradiated by alpha particles from the short-lived products of 222Rn decays in fat cells and haemopoietic tissue.

Author(s): Charlton DE, Utteridge TD, Beddoe AH

Int J Radiat Biol. 1996 May;69(5):585-92 Authors: Charlton DE, Utteridge TD, Beddoe AH

Article GUID: 8648246
The minimum Do for cell killing for alpha-particle emitters uniformly distributed in an extended medium.

Author(s): Charlton DE

Radiat Res. 1998 Jun;149(6):646-8 Authors: Charlton DE

Article GUID: 9611104
Angular variation of electron paramagnetic resonance spectrum: simulation of a polycrystalline EPR spectrum.

Author(s): Misra SK

J Magn Reson. 1999 Mar;137(1):83-92 Authors: Misra SK

Article GUID: 10053135
The survival of monolayers of cells growing in clusters irradiated by 211At appended to the cell surfaces.

Author(s): Charlton DE

Radiat Res. 1999 Jun;151(6):750-3 Authors: Charlton DE

Article GUID: 10360796
A rigorous evaluation of spin-Hamiltonian parameters and linewidth from a polycrystalline EPR spectrum.

Author(s): Misra SK

J Magn Reson. 1999 Sep;140(1):179-88 Authors: Misra SK

Article GUID: 10479561
Simulation of electromechanical coupling coefficient by modified modal frequency spectrum method including the electrode effect

Author(s): Zhang Y, Wang Z, Cheeke JD

Ultrasonics. 2000 Mar;38(1-8):114-7 Authors: Zhang Y, Wang Z, Cheeke JD

Article GUID: 10829640
Measurement of the acoustic nonlinearity parameter in 1-alkanols

Author(s): Banchet J, Cancian J, Cheeke JD

Ultrasonics. 2000 Mar;38(1-8):301-4 Authors: Banchet J, Cancian J, Cheeke JD

Article GUID: 10829678
Dependence of single-bubble sonoluminescence on ambient pressure

Author(s): Dan M, Cheeke JD, Kondic L

Ultrasonics. 2000 Mar;38(1-8):566-9 Authors: Dan M, Cheeke JD, Kondic L

Article GUID: 10829727
Radiation effects in spheroids of cells exposed to alpha emitters.

Author(s): Charlton DE

Int J Radiat Biol. 2000 Nov;76(11):1555-64 Authors: Charlton DE

Article GUID: 11098858
Variable-frequency EPR study of Mn(2+)-doped NH(4)Cl(0.9)I(0.1) single crystal at 9.6, 36, and 249.9 GHz: structural phase transition.

Author(s): Misra SK, Andronenko SI, Rinaldi G, Chand P, Earle KA, Freed JH

J Magn Reson. 2003 Feb;160(2):131-8 Authors: Misra SK, Andronenko SI, Rinaldi G, Chand P, Earle KA, Freed JH

Article GUID: 12615154
A variable temperature EPR study of Mn(2+)-doped NH(4)Cl(0.9)I(0.1) single crystal at 170 GHz: zero-field splitting parameter and its absolute sign.

Author(s): Misra SK, Andronenko SI, Chand P, Earle KA, Paschenko SV, Freed JH

J Magn Reson. 2005 Jun;174(2):265-9 Authors: Misra SK, Andronenko SI, Chand P, Earle KA, Paschenko SV, Freed JH

Article GUID: 15862243
Proton release due to manganese binding and oxidation in modified bacterial reaction centers.

Author(s): Kálmán L, Thielges MC, Williams JC, Allen JP

Biochemistry. 2005 Oct 11;44(40):13266-73 Authors: Kálmán L, Thielges MC, Williams JC, Allen JP

Article GUID: 16201752
Exchange-mediated spin-lattice relaxation of Fe3+ ions in borate glasses.

Author(s): Misra SK, Pilbrow JR

J Magn Reson. 2007 Mar;185(1):38-41 Authors: Misra SK, Pilbrow JR

Article GUID: 17140823
Simulation of slow-motion CW EPR spectrum using stochastic Liouville equation for an electron spin coupled to two nuclei with arbitrary spins: matrix elements of the Liouville superoperator.

Author(s): Misra SK

J Magn Reson. 2007 Nov;189(1):59-77 Authors: Misra SK

Article GUID: 17881269
Comparison of bacterial reaction centers and photosystem II.

Author(s): Kálmán L, Williams JC, Allen JP

Photosynth Res. 2008 Oct-Dec;98(1-3):643-55 Authors: Kálmán L, Williams JC, Allen JP

Article GUID: 18853275
Effect of anions on the binding and oxidation of divalent manganese and iron in modified bacterial reaction centers.

Author(s): Tang K, Williams JC, Allen JP, Kálmán L

Biophys J. 2009 Apr 22;96(8):3295-304 Authors: Tang K, Williams JC, Allen JP, Kálmán L

Article GUID: 19383473
Calculation of Double-Quantum-Coherence Two-dimensional Spectra: Distance Measurements and Orientational Correlations.

Author(s): Misra SK, Borbat PP, Freed JH

Appl Magn Reson. 2009 Dec 01;36(2-4):237-258 Authors: Misra SK, Borbat PP, Freed JH

Article GUID: 20161423
A 236-GHz Fe EPR STUDY OF NANO-PARTICLES OF THE FERRO-MAGNETIC ROOM-TEMPERATURE SEMICONDUCTOR Sn(1-x)Fe(x)O(2)(x=0.005).

Author(s): Misra SK, Andronenko SI, Punnoose A, Tipikin D, Freed JH

Appl Magn Reson. 2009 Dec 01;36(2):291-295 Authors: Misra SK, Andronenko SI, Punnoose A, Tipikin D, Freed JH

Article GUID: 20161547
Low-temperature protein dynamics of the B800 molecules in the LH2 light-harvesting complex: spectral hole burning study and comparison with single photosynthetic complex spectroscopy.

Author(s): Grozdanov D, Herascu N, Reinot T, Jankowiak R, Zazubovich V

J Phys Chem B. 2010 Mar 18;114(10):3426-38 Authors: Grozdanov D, Herascu N, Reinot T, Jankowiak R, Zazubovich V

Article GUID: 20166717
A multifrequency EPR study of Fe2+ and Mn2+ ions in a ZnSiF(6).6H2O single crystal at liquid-helium temperatures.

Author(s): Misra SK, Diehl S, Tipikin D, Freed JH

J Magn Reson. 2010 Jul;205(1):14-22 Authors: Misra SK, Diehl S, Tipikin D, Freed JH

Article GUID: 20395160
Light-induced conformational changes in photosynthetic reaction centers: dielectric relaxation in the vicinity of the dimer.

Author(s): Deshmukh SS, Williams JC, Allen JP, Kálmán L

Biochemistry. 2011 Jan 25;50(3):340-8 Authors: Deshmukh SS, Williams JC, Allen JP, Kálmán L

Article GUID: 21141811
Parameters of the protein energy landscapes of several light-harvesting complexes probed via spectral hole growth kinetics measurements.

Author(s): Herascu N, Najafi M, Amunts A, Pieper J, Irrgang KD, Picorel R, Seibert M, Zazubovich V

J Phys Chem B. 2011 Mar 31;115(12):2737-47 Authors: Herascu N, Najafi M, Amunts A, Pieper J, Irrgang KD, Picorel R, Seibert M, Zazubovich V

Article GUID: 21391534
Light-induced conformational changes in photosynthetic reaction centers: redox-regulated proton pathway near the dimer.

Author(s): Deshmukh SS, Williams JC, Allen JP, Kálmán L

Biochemistry. 2011 Apr 26;50(16):3321-31 Authors: Deshmukh SS, Williams JC, Allen JP, Kálmán L

Article GUID: 21410139
Light-induced conformational changes in photosynthetic reaction centers: impact of detergents and lipids on the electronic structure of the primary electron donor.

Author(s): Deshmukh SS, Akhavein H, Williams JC, Allen JP, Kalman L

Biochemistry. 2011 Jun 14;50(23):5249-62 Authors: Deshmukh SS, Akhavein H, Williams JC, Allen JP, Kalman L

Article GUID: 21561160
Lipid binding to the carotenoid binding site in photosynthetic reaction centers.

Author(s): Deshmukh SS, Tang K, Kálmán L

J Am Chem Soc. 2011 Oct 12;133(40):16309-16 Authors: Deshmukh SS, Tang K, Kálmán L

Article GUID: 21894992
Self-assembly and sensor response of photosynthetic reaction centers on screen-printed electrodes.

Author(s): Bhalla V, Zazubovich V

Anal Chim Acta. 2011 Nov 30;707(1-2):184-90 Authors: Bhalla V, Zazubovich V

Article GUID: 22027137
Effects of the distributions of energy or charge transfer rates on spectral hole burning in pigment-protein complexes at low temperatures.

Author(s): Herascu N, Ahmouda S, Picorel R, Seibert M, Jankowiak R, Zazubovich V

J Phys Chem B. 2011 Dec 22;115(50):15098-109 Authors: Herascu N, Ahmouda S, Picorel R, Seibert M, Jankowiak R, Zazubovich V

Article GUID: 22046956
The effect of hydrogen nanobubbles on the morphology of gold-gelatin bionanocomposite films and their optical properties.

Author(s): Alsawafta M, Badilescu S, Truong VV, Packirisamy M

Nanotechnology. 2012 Feb 17;23(6):065305 Authors: Alsawafta M, Badilescu S, Truong VV, Packirisamy M

Article GUID: 22248640
Theory of EPR lineshape in samples concentrated in paramagnetic spins: effect of enhanced internal magnetic field on high-field high-frequency (HFHF) EPR lineshape.

Author(s): Misra SK, Diehl S

J Magn Reson. 2012 Jun;219:53-60 Authors: Misra SK, Diehl S

Article GUID: 22613039
Few-hundred GHz carbon nanotube nanoelectromechanical systems (NEMS).

Author(s): Island JO, Tayari V, McRae AC, Champagne AR

Nano Lett. 2012 Sep 12;12(9):4564-9 Authors: Island JO, Tayari V, McRae AC, Champagne AR

Article GUID: 22888989
Spectral hole burning, recovery, and thermocycling in chlorophyll-protein complexes: distributions of barriers on the protein energy landscape.

Author(s): Najafi M, Herascu N, Seibert M, Picorel R, Jankowiak R, Zazubovich V

J Phys Chem B. 2012 Sep 27;116(38):11780-90 Authors: Najafi M, Herascu N, Seibert M, Picorel R, Jankowiak R, Zazubovich V

Article GUID: 22957798
Ferromagnetism in annealed Ce0.95Co0.05O2 and Ce0.95Ni0.05O2 nanoparticles.

Author(s): Misra SK, Andronenko SI, Harris JD, Thurber A, Beausoleil GL, Punnoose A

J Nanosci Nanotechnol. 2013 Oct;13(10):6798-805 Authors: Misra SK, Andronenko SI, Harris JD, Thurber A, Beausoleil GL, Punnoose A

Article GUID: 24245146
Wiedemann-Franz relation and thermal-transistor effect in suspended graphene.

Author(s): Yigen S, Champagne AR

Nano Lett. 2014 Jan 08;14(1):289-93 Authors: Yiğen S, Champagne AR

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Title:Fluorescence line narrowing and Δ-FLN spectra in the presence of excitation energy transfer between weakly coupled chromophores.
Authors:Zazubovich V
Link:https://www.ncbi.nlm.nih.gov/pubmed/25369116?dopt=Abstract
Category:J Phys Chem B
PMID:25369116
Dept Affiliation: PHYSICS
1 Department of Physics, Concordia University , 7141 Sherbrooke Street West, Montreal H4B 1R6, Quebec, Canada.

Description:

Fluorescence line narrowing and ?-FLN spectra in the presence of excitation energy transfer between weakly coupled chromophores.

J Phys Chem B. 2014 Nov 26;118(47):13535-43

Authors: Zazubovich V

Abstract

The results of simulations of fluorescence line narrowed (FLN) and ?-FLN spectra of weakly coupled chromophore dimers and trimers, connected by slow (hundreds of picoseconds) excitation energy transfer and embedded in amorphous solids such as proteins, are presented. The model includes wavelength-dependent excitation energy transfer (EET) rate distributions converted to nonidentical sub- site distribution function (sub-SDF) (one for each EET rate), as well as spectral hole burning in pigments excited via EET. Emission of the donor molecules and realistic EET probability dependence on the donor-acceptor energy gap are also included. The shapes of the FLN and ?-FLN spectra are very sensitive to even small variations of interpigment coupling in this weak-coupling regime, and proper modeling is essential for extracting correct parameters from the experimental spectra. Applications of the model to the trimeric FMO complex and the dimeric cytochrome b6f are demonstrated.

PMID: 25369116 [PubMed - indexed for MEDLINE]