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Showing 1 to 12 of 59 entries
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Synthesis and characterization of [Zn(acetate).

Materials science in semiconductor processing

Hyslop JS, Boydstun AR, Fereday TR, Rusch JR, Strunk JL, Wall CT, Pena CC, McKibben NL, Harris JD, Thurber A, Punnoose A, Brotherton J, Walker P, Lowe L, Rapp B, Purnell S, Knowlton WB, Hubbard SM, Frost BJ.
PMID: 26085801
Mater Sci Semicond Process. 2015 Oct;38:278-289. doi: 10.1016/j.mssp.2015.04.001.

As an obvious candidate for a p-type dopant in ZnO, nitrogen remains elusive in this role. Nitrogen containing precursors are a potential means to incorporate nitrogen during MOCVD growth. One class of nitrogen-containing precursors are zinc acetate amines, yet,...

C-arm Positioning Using Virtual Fluoroscopy for Image-Guided Surgery.

Proceedings of SPIE--the International Society for Optical Engineering

De Silva T, Punnoose J, Uneri A, Goerres J, Jacobson M, Ketcha MD, Manbachi A, Vogt S, Kleinszig G, Khanna AJ, Wolinksy JP, Osgood G, Siewerdsen JH.
PMID: 28572694
Proc SPIE Int Soc Opt Eng. 2017 Feb 11;10135. doi: 10.1117/12.2256028. Epub 2017 Mar 03.

INTRODUCTION: Fluoroscopically guided procedures often involve repeated acquisitions for C-arm positioning at the cost of radiation exposure and time in the operating room. A virtual fluoroscopy system is reported with the potential of reducing dose and time spent in...

Influence of solvents in the preparation of cobalt sulfide for supercapacitors.

Royal Society open science

Anil Kumar Y, Srinivasa Rao S, Punnoose D, Venkata Tulasivarma C, Gopi CVVM, Prabakar K, Kim HJ.
PMID: 28989753
R Soc Open Sci. 2017 Sep 06;4(9):170427. doi: 10.1098/rsos.170427. eCollection 2017 Sep.

In this study, cobalt sulfide (CoS) electrodes are synthesized using various solvents such as water, ethanol and a combination of the two via a facile chemical bath deposition method on Ni foam. The crystalline nature, chemical states and surface...

Enhancing the photovoltaic performance and stability of QDSSCs using surface reinforced Pt nanostructures with controllable morphology and superior electrocatalysis via cost-effective chemical bath deposition.

Dalton transactions (Cambridge, England : 2003)

Rao SS, Durga IK, Kang TS, Kim SK, Punnoose D, Gopi CV, Eswar Reddy A, Krishna TN, Kim HJ.
PMID: 26796086
Dalton Trans. 2016 Feb 28;45(8):3450-63. doi: 10.1039/c5dt04887g.

To make quantum-dot sensitized solar cells (QDSSCs) competitive, photovoltaic parameters such as the power conversion efficiency (PCE) and fill factor (FF) must become comparable to those of other emerging solar cell technologies. In the present study, a novel strategy...

Spin relaxation in the presence of electron-electron interactions.

Physical review letters

Punnoose A, Finkel'stein AM.
PMID: 16486973
Phys Rev Lett. 2006 Feb 10;96(5):057202. doi: 10.1103/PhysRevLett.96.057202. Epub 2006 Feb 06.

The D'yakonov-Perel' spin relaxation induced by the spin-orbit interaction is examined in disordered two-dimensional electron gas. It is shown that, because of the electron-electron interactions, substantially different spin relaxation rates may be observed depending on the technique used to...

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).

Applied magnetic resonance

Misra SK, Andronenko SI, Punnoose A, Tipikin D, Freed JH.
PMID: 20161547
Appl Magn Reson. 2009 Dec 01;36(2):291-295. doi: 10.1007/s00723-009-0024-4.

High frequency (236 GHz) electron paramagnetic resonance (EPR) studies of Fe(3+) ions at 255 K are reported in a Sn(1-x)Fe(x)O(2) powder with x = 0.005 which is a ferromagnetic semiconductor at room temperature. The observed EPR spectrum can be...

Preferential killing of cancer cells and activated human T cells using ZnO nanoparticles.

Nanotechnology

Hanley C, Layne J, Punnoose A, Reddy KM, Coombs I, Coombs A, Feris K, Wingett D.
PMID: 18836572
Nanotechnology. 2008 Jul 23;19(29):295103. doi: 10.1088/0957-4484/19/29/295103.

Nanoparticles are increasingly being recognized for their potential utility in biological applications including nanomedicine. Here we examine the response of normal human cells to ZnO nanoparticles under different signaling environments and compare it to the response of cancerous cells....

Gastrointestinal stromal tumours (GISTs): an insight into clinical practice with review of literature.

Frontline gastroenterology

McDonnell MJ, Punnoose S, Viswanath YKS, Wadd NJ, Dhar A.
PMID: 28839880
Frontline Gastroenterol. 2017 Jan;8(1):19-25. doi: 10.1136/flgastro-2015-100670. Epub 2016 Jul 19.

BACKGROUND: Gastrointestinal stromal tumours (GISTs) are rare mesenchymal tumours of the gastrointestinal tract. We retrospectively reviewed the clinical management of all patients with GIST presenting to a regional multidisciplinary upper gastrointestinal cancer group in the north of England.METHODS: Clinical,...

Mutation load and an effector T-cell gene signature may distinguish immunologically distinct and clinically relevant lymphoma subsets.

Blood advances

Bolen CR, McCord R, Huet S, Frampton GM, Bourgon R, Jardin F, Dartigues P, Punnoose EA, Szafer-Glusman E, Xerri L, Sujobert P, Salles G, Venstrom JM.
PMID: 29296835
Blood Adv. 2017 Sep 27;1(22):1884-1890. doi: 10.1182/bloodadvances.2016000786. eCollection 2017 Oct 10.

Identifying follicular lymphoma (FL) patients with preexisting antitumor immunity will inform precision medicine strategies for novel cancer immunotherapies. Using clinical and genomic data from 249 FL patients, we determined the clinical impact of mutation load and an effector T-cell...

Characterization of oral fibroblasts: An .

Journal of oral and maxillofacial pathology : JOMFP

Adtani P, Narasimhan M, Ranganathan K, Punnoose A, Prasad P, Natarajan PM.
PMID: 31516223
J Oral Maxillofac Pathol. 2019 May-Aug;23(2):198-202. doi: 10.4103/jomfp.JOMFP_28_19.

MATERIALS AND METHODOLOGY: Primary cell culture protocol was performed after obtaining normal oral tissue. Karyotyping was performed to rule out chromosomal abnormalities. Immunofluorescence staining was carried with a panel of fibroblast-specific markers (vimentin, phalloidin, transforming growth factor-β receptor 1...

DNA nanotechnology in the undergraduate laboratory: Analysis of molecular topology using DNA nanoswitches.

Journal of chemical education

Punnoose JA, Halvorsen K, Chandrasekaran AR.
PMID: 33814597
J Chem Educ. 2020 May 12;97(5):1448-1453. doi: 10.1021/acs.jchemed.9b01185. Epub 2020 Apr 10.

There is a disconnect between the cutting-edge research done in academic labs, such as nanotechnology, and what is taught in undergraduate labs. In the current undergraduate curriculum, very few students get a chance to do hands-on experiments in nanotechnology-related...

Exception-Status Listing: A Critical Pathway to Heart Transplantation for Adults With Congenital Heart Diseases.

Journal of cardiac failure

Rali AS, Ranka S, Mazurek JA, Brinkley MD, Cedars A, Clark D, DO N, Lazzara GE, Punnoose L, Sandhaus E, Shah A, Taduru S, Wigger M, Zalawadiya S, Rogers J, Lindenfeld J, Schlendorf K, Menachem JN.
PMID: 34670174
J Card Fail. 2021 Oct 17; doi: 10.1016/j.cardfail.2021.10.004. Epub 2021 Oct 17.

Adults with congenital heart diseases may not be candidates for conventional therapies to control ventricular systolic dysfunction, including mechanical circulatory support, which moves potential heart-transplantation recipients to a listing status of higher priority. This results in longer waitlist times...

Showing 1 to 12 of 59 entries