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Showing 1 to 12 of 548 entries
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Strain coupling mechanisms and elastic relaxation associated with spin state transitions in LaCoO₃.

Journal of physics. Condensed matter : an Institute of Physics journal

Zhang Z, Koppensteiner J, Schranz W, Prabhakaran D, Carpenter MA.
PMID: 21430308
J Phys Condens Matter. 2011 Apr 13;23(14):145401. doi: 10.1088/0953-8984/23/14/145401. Epub 2011 Mar 23.

Advantage is taken of the wealth of experimental data relating to the evolution with temperature of spin states of Co(3+) in LaCoO₃ in order to undertake a detailed investigation of the mechanisms by which changes in electronic structure can...

Quasiparticle Breakdown and Spin Hamiltonian of the Frustrated Quantum Pyrochlore Yb_{2}Ti_{2}O_{7} in a Magnetic Field.

Physical review letters

Thompson JD, McClarty PA, Prabhakaran D, Cabrera I, Guidi T, Coldea R.
PMID: 28949704
Phys Rev Lett. 2017 Aug 04;119(5):057203. doi: 10.1103/PhysRevLett.119.057203. Epub 2017 Aug 01.

The frustrated pyrochlore magnet Yb_{2}Ti_{2}O_{7} has the remarkable property that it orders magnetically but has no propagating magnons over wide regions of the Brillouin zone. Here we use inelastic neutron scattering to follow how the spectrum evolves in cubic-axis...

Sebaceous Gland Carcinoma of the Lower Eyelid Reconstructed with a Composite Flap: A Case Report.

Journal of clinical and diagnostic research : JCDR

Mahipathy SR, Durairaj AR, Kothandaraman K, Rajamanohar VC, Prabakaran A.
PMID: 27504351
J Clin Diagn Res. 2016 Jun;10(6):PD16-8. doi: 10.7860/JCDR/2016/20003.8017. Epub 2016 Jun 01.

Sebaceous gland carcinomas are skin adnexal tumours occurring in the periocular region of elderly females. It is an uncommon malignancy usually involving the upper eyelid and has an indolent course. Mainstay of treatment is surgical excision. Here we present...

Terahertz spectroscopy of anisotropic materials using beams with rotatable polarization.

Scientific reports

Mosley CDW, Failla M, Prabhakaran D, Lloyd-Hughes J.
PMID: 28951590
Sci Rep. 2017 Sep 26;7(1):12337. doi: 10.1038/s41598-017-12568-0.

We introduce a polarization-resolved terahertz time-domain spectrometer with a broadband (0.3-2.5 THz), rotatable THz polarization state, and which exhibits minimal change in the electric field amplitude and polarization state upon rotation. This was achieved by rotating an interdigitated photoconductive...

Age-Related Changes in BOLD Activation Pattern in Phonemic Fluency Paradigm: An Investigation of Activation, Functional Connectivity and Psychophysiological Interactions.

Frontiers in aging neuroscience

La C, Garcia-Ramos C, Nair VA, Meier TB, Farrar-Edwards D, Birn R, Meyerand ME, Prabhakaran V.
PMID: 27242519
Front Aging Neurosci. 2016 May 23;8:110. doi: 10.3389/fnagi.2016.00110. eCollection 2016.

Healthy aging is associated with decline of cognitive functions. However, even before those declines become noticeable, the neural architecture underlying those mechanisms has undergone considerable restructuring and reorganization. During performance of a cognitive task, not only have the task-relevant...

Anisotropic local modification of crystal field levels in Pr-based pyrochlores: a muon-induced effect modeled using density functional theory.

Physical review letters

Foronda FR, Lang F, Möller JS, Lancaster T, Boothroyd AT, Pratt FL, Giblin SR, Prabhakaran D, Blundell SJ.
PMID: 25615502
Phys Rev Lett. 2015 Jan 09;114(1):017602. doi: 10.1103/PhysRevLett.114.017602. Epub 2015 Jan 06.

Although muon spin relaxation is commonly used to probe local magnetic order, spin freezing, and spin dynamics, we identify an experimental situation in which the measured response is dominated by an effect resulting from the muon-induced local distortion rather...

Salvage Surgery for Metastatic Gall Bladder Cancer with Vanishing Liver Metastasis Following Palliative 5-Fluorouracil Metronomic Chemotherapy.

Journal of clinical and diagnostic research : JCDR

Somasekar R, Naganathbabu O, Prabhakaran R, Gnanasekar M, Kannan DG.
PMID: 28658893
J Clin Diagn Res. 2017 May;11(5):XD03-XD05. doi: 10.7860/JCDR/2017/26460.9938. Epub 2017 May 01.

Gall Bladder Cancer (GBC) is an aggressive malignancy. The prognosis of metastatic GBC is dismal. Until recently, there are no standard treatment guidelines for management of patients with metastatic GBC. But the ultimate aim of any treatment modality is...

An experimental setup to study delayed electron emission upon photoexcitation of trapped polyatomic anions.

The Review of scientific instruments

Saha K, Prabhakaran A, Chandrasekaran V, Rappaport ML, Heber O, Zajfman D.
PMID: 28571459
Rev Sci Instrum. 2017 May;88(5):053101. doi: 10.1063/1.4982034.

A Velocity Map Imaging (VMI) spectrometer has been designed and integrated with an electrostatic ion beam trap to study delayed electron emission from trapped polyatomic anions upon photodetachment. The VMI spectrometer is small in size and can record a...

Do attributes of persons with chronic kidney disease differ in low-income and middle-income countries compared with high-income countries? Evidence from population-based data in six countries.

BMJ global health

Anand S, Zheng Y, Montez-Rath ME, Wei WJ, Perico N, Carminati S, Narayan KV, Tandon N, Mohan V, Jha V, Zhang L, Remuzzi G, Prabahkaran D, Chertow GM.
PMID: 29071132
BMJ Glob Health. 2017 Oct 09;2(4):e000453. doi: 10.1136/bmjgh-2017-000453. eCollection 2017.

Kidney biopsies to elucidate the cause of chronic kidney disease (CKD) are performed in a minority of persons with CKD living in high-income countries, since associated conditions-that is, diabetes mellitus, vascular disease or obesity with pre-diabetes, prehypertension or dyslipidaemia-can...

Relationship between Nutritional Support and Tuberculosis Treatment Outcomes in West Bengal, India.

Journal of tuberculosis research

Samuel B, Volkmann T, Cornelius S, Mukhopadhay S, MejoJose, Mitra K, Kumar AM, Oeltmann JE, Parija S, Prabhakaran AO, Moonan PK, Chadha VK.
PMID: 28042591
J Tuberc Res. 2016 Dec;4(4):213-219. doi: 10.4236/jtr.2016.44023. Epub 2016 Dec 21.

INTRODUCTION: Poverty and poor nutrition are associated with the risk of developing tuberculosis (TB). Socioeconomic factors may interfere with anti-tuberculosis treatment compliance and its outcome. We examined whether providing nutritional support (monthly supply of rice and lentil beans) to...

Factors associated with internet addiction among school-going adolescents in Vadodara.

Journal of family medicine and primary care

Prabhakaran MC, Patel VR, Ganjiwale DJ, Nimbalkar MS.
PMID: 28348987
J Family Med Prim Care. 2016 Oct-Dec;5(4):765-769. doi: 10.4103/2249-4863.201149.

INTRODUCTION: The internet is an important modern means of obtaining information and communicating with others which has converted the world into a global village. At the same time, increasing internet use among adolescents is also likely to pose a...

Assessing the Global Burden of Ischemic Heart Disease: Part 1: Methods for a Systematic Review of the Global Epidemiology of Ischemic Heart Disease in 1990 and 2010.

Global heart

Moran AE, Oliver JT, Mirzaie M, Forouzanfar MH, Chilov M, Anderson L, Morrison JL, Khan A, Zhang N, Haynes N, Tran J, Murphy A, Degennaro V, Roth G, Zhao D, Peer N, Pichon-Riviere A, Rubinstein A, Pogosova N, Prabhakaran D, Naghavi M, Ezzati M, Mensah GA.
PMID: 23682350
Glob Heart. 2012 Dec 01;7(4):315-329. doi: 10.1016/j.gheart.2012.10.004.

BACKGROUND: Ischemic heart disease (IHD) is the leading cause of death worldwide. The GBD (Global Burden of Disease, Injuries, and Risk Factors) study (GBD 2010 Study) conducted a systematic review of IHD epidemiology literature from 1980 to 2008 to...

Showing 1 to 12 of 548 entries