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Showing 1 to 12 of 407 entries
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Serum 25-hydroxyvitamin D predicts cognitive performance in adults.

Neuropsychiatric disease and treatment

Darwish H, Zeinoun P, Ghusn H, Khoury B, Tamim H, Khoury SJ.
PMID: 26346368
Neuropsychiatr Dis Treat. 2015 Aug 25;11:2217-23. doi: 10.2147/NDT.S87014. eCollection 2015.

BACKGROUND: Vitamin D is an endogenous hormone known to regulate calcium levels in the body and plays a role in cognitive performance. Studies have shown an association between vitamin D deficiency and cognitive impairment in older adults. Lebanon has...

Managing acute promyelocytic leukemia in patients belonging to the Jehovah's Witness congregation.

Hematology reports

Jillella AP, Arellano ML, Heffner LT, Gaddh M, Langston AA, Khoury HJ, Mangoankar A, Kota VK.
PMID: 29071052
Hematol Rep. 2017 Sep 26;9(3):7083. doi: 10.4081/hr.2017.7083. eCollection 2017 Sep 26.

No abstract available.

Direct measurement of the biphoton Wigner function through two-photon interference.

Scientific reports

Douce T, Eckstein A, Walborn SP, Khoury AZ, Ducci S, Keller A, Coudreau T, Milman P.
PMID: 24346262
Sci Rep. 2013 Dec 18;3:3530. doi: 10.1038/srep03530.

The Hong-Ou-Mandel (HOM) experiment was a benchmark in quantum optics, evidencing the non-classical nature of photon pairs, later generalized to quantum systems with either bosonic or fermionic statistics. We show that a simple modification in the well-known and widely...

Uncovering the role of p53 splice variants in human malignancy: a clinical perspective.

OncoTargets and therapy

Surget S, Khoury MP, Bourdon JC.
PMID: 24379683
Onco Targets Ther. 2013 Dec 19;7:57-68. doi: 10.2147/OTT.S53876.

Thirty-five years of research on p53 gave rise to more than 68,000 articles and reviews, but did not allow the uncovering of all the mysteries that this major tumor suppressor holds. How p53 handles the different signals to decide...

Dosimetric evaluation of X-ray examinations of paranasal sinuses in pediatric patients.

Radiologia brasileira

Cantalupo Bde L, Xavier AC, da Silva CM, Andrade ME, de Barros VS, Khoury HJ.
PMID: 27141129
Radiol Bras. 2016 Mar-Apr;49(2):79-85. doi: 10.1590/0100-3984.2015.0081.

OBJECTIVE: To estimate the entrance surface air kerma (Ka,e) and air kerma in the region of radiosensitive organs in radiographs of pediatric paranasal sinuses.MATERIALS AND METHODS: Patient data and irradiation parameters were collected in examinations of the paranasal sinuses...

Adaptive defect and pattern detection in amplitude and phase structures via photorefractive four-wave mixing.

Applied optics

Nehmetallah G, Banerjee P, Khoury J.
PMID: 26560795
Appl Opt. 2015 Nov 10;54(32):9622-9. doi: 10.1364/AO.54.009622.

This work comprises the theoretical and numerical validations of experimental work on pattern and defect detection of periodic amplitude and phase structures using four-wave mixing in photorefractive materials. The four-wave mixing optical processor uses intensity filtering in the Fourier...

Quantum stability of chameleon field theories.

Physical review letters

Upadhye A, Hu W, Khoury J.
PMID: 23006073
Phys Rev Lett. 2012 Jul 27;109(4):041301. doi: 10.1103/PhysRevLett.109.041301. Epub 2012 Jul 23.

Chameleon scalar fields are dark-energy candidates which suppress fifth forces in high density regions of the Universe by becoming massive. We consider chameleon models as effective field theories and estimate quantum corrections to their potentials. Requiring that quantum corrections...

Acute appendicitis presenting as priapism in an 8 year old.

The Canadian journal of urology

Iocca AJ, Khoury AE.
PMID: 11305960
Can J Urol. 1998 Aug;5(3):597-598.

Priapism is uncommon in children. When it does occur the etiology is usually leukemia, sickle cell disease, or trauma.(1) We present a case of priapism in a child in whom the underlying etiology was acute appendicitis. To our knowledge,...

Observation of image transfer and phase conjugation in stimulated down-conversion.

Physical review letters

Ribeiro PH, Caetano DP, Almeida MP, Huguenin JA, dos Santos BC, Khoury AZ.
PMID: 11580587
Phys Rev Lett. 2001 Sep 24;87(13):133602. doi: 10.1103/PhysRevLett.87.133602. Epub 2001 Sep 10.

We observe experimentally the transfer of angular spectrum and image formation in the process of stimulated parametric down-conversion. Images and interference patterns can be transferred from either the pump or the auxiliary laser beams to the stimulated down-converted one....

Relative accuracy of renal scan in estimation of renal function during partial ureteral obstruction.

The Canadian journal of urology

Homayoon K, Pippi Salle JL, Agarwal SK, Bagli DJ, McLorie GA, Gilday DL, Khoury AE.
PMID: 11305965
Can J Urol. 1998 Oct;5(4):611-619.

This study is designed to evaluate the relative ability of DMSA and DTPA renal scans to accurately reflect differential renal function (DRF) compared with inulin clearance in the presence of partial unilateral ureteral obstruction. DRF was determined in 29...

The use of a three-dimensional imaging model to optimize the operative separation of pygopagus conjoined twins.

Journal of pediatric urology

Cook A, El-Gohary A, Khoury AE.
PMID: 18947562
J Pediatr Urol. 2005 Oct;1(5):321-5. doi: 10.1016/j.jpurol.2005.01.015. Epub 2005 Apr 02.

INTRODUCTION: The surgical management of conjoined twins has evolved to the point that elective operative separation can safely be performed in the majority. Cross-sectional imaging is invaluable to accurately delineate the site of union and configuration of shared organ...

Speckle velocimetry by means of holographic time-integrative correlation.

Applied optics

Khoury J, Gianino PD, Woods CL.
PMID: 18357180
Appl Opt. 2001 Apr 10;40(11):1814-8. doi: 10.1364/ao.40.001814.

We develop the theory of the speckle velocimeter that is based on use of a photorefractive real-time hologram in four-wave mixing as a time-integrative correlator. The theory of the speckle velocimeter has been developed for the time correlation between...

Showing 1 to 12 of 407 entries