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Showing 1 to 12 of 52 entries
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The bond strength of highly filled flowable composites placed in two different configuration factors.

Journal of conservative dentistry : JCD

Sagsoz O, Ilday NO, Karatas O, Cayabatmaz M, Parlak H, Olmez MH, Demirbuga S.
PMID: 26957788
J Conserv Dent. 2016 Jan-Feb;19(1):21-5. doi: 10.4103/0972-0707.173188.

OBJECTIVE: The aim of this study was to evaluate the microtensile bond strength (μTBS) of different flowable composite resins placed in different configuration factors (C-factors) into Class I cavities.MATERIALS AND METHODS: Fifty freshly extracted human molars were divided into...

Generation of 287 W, 5.5 ps pulses at 78 MHz repetition rate from a cryogenically cooled Yb:YAG amplifier seeded by a fiber chirped-pulse amplification system.

Optics letters

Hong KH, Siddiqui A, Moses J, Gopinath J, Hybl J, Ilday FO, Fan TY, Kärtner FX.
PMID: 18978891
Opt Lett. 2008 Nov 01;33(21):2473-5. doi: 10.1364/ol.33.002473.

We generate linearly polarized, 287 W average-power, 5.5 ps pulses using a cryogenically cooled Yb:YAG amplifier at a repetition rate of 78 MHz. An optical-to-optical efficiency of 41% is obtained at 700 W pump power. A 6 W, 0.4...

Generation of parabolic bound pulses from a Yb-fiber laser.

Optics express

Ortaç B, Hideur A, Brunel M, Chédot C, Limpert J, Tünnermann A, Ilday FO.
PMID: 19516779
Opt Express. 2006 Jun 26;14(13):6075-83. doi: 10.1364/oe.14.006075.

We report the observation of self-similar propagation of bound-state pulses in an ytterbium-doped double-clad fiber laser. A bound state of two positively chirped parabolic pulses with 5.4 ps duration separated by 14.9 ps is obtained, with 1.7 nJ of...

Generation of 36-femtosecond pulses from a ytterbium fiber laser.

Optics express

Ilday F, Buckley J, Kuznetsova L, Wise F.
PMID: 19471489
Opt Express. 2003 Dec 29;11(26):3550-4. doi: 10.1364/oe.11.003550.

By optimizing the cavity dispersion map, 1.5-nJ pulses as short as 36 fs are obtained from a Yb-doped fiber laser. Residual higher-order dispersion currently limits the pulse duration, and it should be possible to generate pulses as short as...

Breaking crosstalk limits to dynamic holography using orthogonality of high-dimensional random vectors.

Nature photonics

Makey G, Yavuz Ö, Kesim DK, Turnalı A, Elahi P, Ilday S, Tokel O, Ilday FÖ.
PMID: 30930957
Nat Photonics. 2019 Apr;13(4):251-256. doi: 10.1038/s41566-019-0393-7. Epub 2019 Mar 22.

Holography is the most promising route to true-to-life 3D projections, but the incorporation of complex images with full depth control remains elusive. Digitally synthesised holograms1-7, which do not require real objects to create a hologram, offer the possibility of...

All-fiber all-normal dispersion laser with a fiber-based Lyot filter.

Optics letters

Ozgören K, Ilday FO.
PMID: 20410998
Opt Lett. 2010 Apr 15;35(8):1296-8. doi: 10.1364/OL.35.001296.

We propose the use of a short section of polarization-maintaining fiber as a birefringent medium to construct an all-fiber Lyot filter inside the cavity of a fiber laser. This allows mode-locked operation of an all-fiber all-normal dispersion Yb-fiber oscillator...

Diffraction-limited, 10-W, 5-ns, 100-kHz, all-fiber laser at 1.55 μm.

Optics letters

Pavlov I, Dülgergil E, Ilbey E, Ilday FÖ.
PMID: 24784080
Opt Lett. 2014 May 01;39(9):2695-8. doi: 10.1364/OL.39.002695.

This Letter reports on an all-fiber-integrated master-oscillator, power amplifier system at 1.55 μm producing 5-ns, 100-μJ pulses. These pulses are generated at a 100 kHz repetition rate, corresponding to 10 W of average power. The seed source is a...

Comparing the shear bond strength of direct and indirect composite inlays in relation to different surface conditioning and curing techniques.

European journal of dentistry

Zorba YO, Ilday NO, Bayındır YZ, Demirbuga S.
PMID: 24932118
Eur J Dent. 2013 Oct;7(4):436-441. doi: 10.4103/1305-7456.120679.

OBJECTIVE: The aim of this study was to test the null hypothesis that different surface conditioning (etch and rinse and self-etch) and curing techniques (light cure/dual cure) had no effect on the shear bond strength of direct and indirect...

The effects of silorane composites on levels of cytokines and periodontal parameters.

Contemporary clinical dentistry

Ilday NO, Celik N, Dilsiz A, Alp HH, Aydin T, Seven N, Kiziltunç A.
PMID: 24403785
Contemp Clin Dent. 2013 Oct;4(4):437-42. doi: 10.4103/0976-237X.123021.

AIMS: The purpose of this pilot study was to determine the effects of silorane composites on gingival crevicular fluid (GCF) levels of tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6) and IL-8, GCF volume and clinical periodontal parameters in...

All-fiber-integrated soliton-similariton laser with in-line fiber filter.

Optics letters

Zhang Z, Oktem B, Ilday FÖ.
PMID: 22940925
Opt Lett. 2012 Sep 01;37(17):3489-91. doi: 10.1364/OL.37.003489.

We demonstrate an all-fiber-integrated Er-doped fiber laser operating in the soliton-similariton mode-locking regime. In the similariton part of the cavity, a self-similarly evolving parabolic pulse with highly linear chirp propagates in the presence of normal dispersion. Following an in-line...

C. elegans LIN-28 controls temporal cell fate progression by regulating LIN-46 expression via the 5' UTR of lin-46 mRNA.

Cell reports

Ilbay O, Nelson C, Ambros V.
PMID: 34496246
Cell Rep. 2021 Sep 07;36(10):109670. doi: 10.1016/j.celrep.2021.109670.

Lin28/LIN-28 is a conserved RNA-binding protein that promotes proliferation and pluripotency and can be oncogenic in mammals. Mammalian Lin28 and C. elegans LIN-28 have been shown to inhibit biogenesis of the conserved cellular differentiation-promoting microRNA let-7 by directly binding...

Effect of fiber reinforcement on color stability of composite resins.

Journal of conservative dentistry : JCD

Karatas O, Ilday NO, Bayindir F, Celik N, Seven N.
PMID: 33551604
J Conserv Dent. 2020 May-Jun;23(3):299-303. doi: 10.4103/JCD.JCD_344_19. Epub 2020 Dec 04.

AIM: The aim of this MATERIALS AND METHODS: A silorane-based composite (Filtek Silorane, A2 shade) and a methacrylate-based composite (Valux Plus, A2 shade) were used in this study. Three groups of samples (control group with no reinforcements, polyethylene fiber...

Showing 1 to 12 of 52 entries