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Showing 1 to 12 of 735 entries
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Optical dating in a new light: A direct, non-destructive probe of trapped electrons.

Scientific reports

Prasad AK, Poolton NRJ, Kook M, Jain M.
PMID: 28951569
Sci Rep. 2017 Sep 26;7(1):12097. doi: 10.1038/s41598-017-10174-8.

Optical dating has revolutionized our understanding of Global climate change, Earth surface processes, and human evolution and dispersal over the last ~500 ka. Optical dating is based on an anti-Stokes photon emission generated by electron-hole recombination within quartz or...

Sputum smear conversion and treatment outcomes for tuberculosis patients with and without diabetes in Fiji.

Public health action

Prasad P, Gounder S, Varman S, Viney K.
PMID: 26400803
Public Health Action. 2014 Sep 21;4(3):159-63. doi: 10.5588/pha.14.0023.

SETTINGS: Three tuberculosis (TB) treatment centres under the Fiji National Tuberculosis Programme.OBJECTIVES: To determine the prevalence of diabetes mellitus (DM) among TB patients for the period 2010-2012, and to evaluate sputum smear conversion and anti-tuberculosis treatment outcomes, comparing patients...

Remote Optically Controlled Modulation of Catalytic Properties of Nanoparticles through Reconfiguration of the Inorganic/Organic Interface.

ACS nano

Lawrence RL, Scola B, Li Y, Lim CK, Liu Y, Prasad PN, Swihart MT, Knecht MR.
PMID: 27666415
ACS Nano. 2016 Oct 25;10(10):9470-9477. doi: 10.1021/acsnano.6b04555. Epub 2016 Oct 03.

We introduce here a concept of remote photoinitiated reconfiguration of ligands adsorbed onto a nanocatalyst surface to enable reversible modulation of the catalytic activity. This is demonstrated by using peptide-ligand-capped Au nanoparticles with a photoswitchable azobenzene unit integrated into...

Novel diet-related mouse model of colon cancer parallels human colon cancer.

World journal of gastrointestinal oncology

Prasad AR, Prasad S, Nguyen H, Facista A, Lewis C, Zaitlin B, Bernstein H, Bernstein C.
PMID: 25024814
World J Gastrointest Oncol. 2014 Jul 15;6(7):225-43. doi: 10.4251/wjgo.v6.i7.225.

AIM: To investigate the close parallels between our novel diet-related mouse model of colon cancer and human colon cancer.METHODS: Twenty-two wild-type female mice (ages 6-8 wk) were fed the standard control diet (AIN-93G) and an additional 22 female mice...

Tuning upconversion through a sensitizer/activator-isolated NaYF₄ core/shell structure.

Nanoscale

Ye S, Chen G, Shao W, Qu J, Prasad PN.
PMID: 25671461
Nanoscale. 2015 Mar 07;7(9):3976-84. doi: 10.1039/c4nr07678h.

The ability to tune the emission color of upconversion nanoparticles (UCNPs) will greatly enhance the scope of their applications, ranging from infrared solar cells to volumetric multiplexed bioimaging. Conventional methods to tune upconversion are to vary the type and/or...

Impact of Video Based Learning on the Perfomance of Post Graduate Students in Biostatistics: A Retrospective Study.

Journal of clinical and diagnostic research : JCDR

Murthykumar K, Veeraiyan DN, Prasad P.
PMID: 26813422
J Clin Diagn Res. 2015 Dec;9(12):ZC51-3. doi: 10.7860/JCDR/2015/15675.7004. Epub 2015 Dec 01.

INTRODUCTION: Education, being a process of knowledge transfer always has advances which are generally on par with the discovery of newer technologies. Currently, most of the education process has shifted away from the conventional black board towards the usage...

Energy-Cascaded Upconversion in an Organic Dye-Sensitized Core/Shell Fluoride Nanocrystal.

Nano letters

Chen G, Damasco J, Qiu H, Shao W, Ohulchanskyy TY, Valiev RR, Wu X, Han G, Wang Y, Yang C, Ågren H, Prasad PN.
PMID: 26487489
Nano Lett. 2015 Nov 11;15(11):7400-7. doi: 10.1021/acs.nanolett.5b02830. Epub 2015 Oct 23.

Lanthanide-doped upconversion nanoparticles hold promises for bioimaging, solar cells, and volumetric displays. However, their emission brightness and excitation wavelength range are limited by the weak and narrowband absorption of lanthanide ions. Here, we introduce a concept of multistep cascade...

Parametric amplification in MoS.

Nanoscale

Prasad P, Arora N, Naik AK.
PMID: 29143000
Nanoscale. 2017 Nov 30;9(46):18299-18304. doi: 10.1039/c7nr05721k.

Parametric amplification is widely used in diverse areas from optics to electronic circuits to enhance low level signals by varying relevant system parameters. Parametric amplification has also been performed in several micro-nano resonators including nano-electromechanical system (NEMS) resonators based...

Fine Needle Aspiration Cytologic Diagnosis of Lactating Adenoma: Report of two Cases.

Journal of clinical and diagnostic research : JCDR

Prasaad PR.
PMID: 24298549
J Clin Diagn Res. 2013 Oct;7(10):2417-8. doi: 10.7860/JCDR/2013/5260.3544. Epub 2013 Oct 05.

No abstract available.

Jadassohn Lewandowsky Syndrome: A Rare Entity.

Indian journal of dermatology

Prasad AM, Inakanti Y, Kumar S.
PMID: 26538744
Indian J Dermatol. 2015 Sep-Oct;60(5):524. doi: 10.4103/0019-5154.159665.

Pachyonychia congenita (PC) is a rare autosomal dominant genodermatosis characterized by hyperkeratosis affecting the nails and palmoplantar areas, oral leucokeratosis, and cystic lesions. It is classically subdivided into two major variants, PC-1 (Jadassohn-Lewandowski syndrome) and PC-2 (Jackson-Lawler syndrome), according...

Role of serotonin in fish reproduction.

Frontiers in neuroscience

Prasad P, Ogawa S, Parhar IS.
PMID: 26097446
Front Neurosci. 2015 Jun 05;9:195. doi: 10.3389/fnins.2015.00195. eCollection 2015.

The neuroendocrine mechanism regulates reproduction through the hypothalamo-pituitary-gonadal (HPG) axis which is evolutionarily conserved in vertebrates. The HPG axis is regulated by a variety of internal as well as external factors. Serotonin, a monoamine neurotransmitter, is involved in a...

New onset epilepsy following unintentional durotomy in a patient on anti-psychiatric medication.

Journal of surgical case reports

West M, Prasad P, Ampat G.
PMID: 24945984
J Surg Case Rep. 2010 Apr 01;2010(2):3. doi: 10.1093/jscr/2010.2.3.

We would like to present a rare case report describing a case in which new-onset tonic-clonic seizures occurred following an unintentional durotomy during lumbar discectomy and decompression. Unintentional durotomy is a frequent complication of spinal surgical procedures, with a...

Showing 1 to 12 of 735 entries