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Showing 13 to 24 of 426 entries
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A variational approach to the radiometric enhancement of digital imagery.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society

Altas I, Louis J, Belward J.
PMID: 18290035
IEEE Trans Image Process. 1995;4(6):845-9. doi: 10.1109/83.388088.

In this correspondence, we present a variational approach to the problem of finding suitable radiometric image transformations that optimize desirable characteristics of the output image histogram. This variational approach can be interpreted as the minimization of the cumulative spacing...

Natural killer cells: versatile roles in autoimmune and infectious diseases.

Expert review of clinical immunology

Aktas E, Erten G, Kucuksezer UC, Deniz G.
PMID: 20477037
Expert Rev Clin Immunol. 2009 Jul;5(4):405-20. doi: 10.1586/eci.09.27.

Natural killer (NK) cells are essential members of innate immunity and they rapidly respond to a variety of insults via cytokine secretion and cytolytic activity. Effector functions of NK cells form an important first line of innate immunity against...

The effect of ursodeoxycholic acid on liver regeneration after partial hepatectomy in rats with non-alcoholic fatty liver disease.

Hepatology research : the official journal of the Japan Society of Hepatology

Uzun MA, Koksal N, Aktas S, Gunerhan Y, Kadioglu H, Dursun N, Sehirli AO.
PMID: 19473430
Hepatol Res. 2009 Aug;39(8):814-21. doi: 10.1111/j.1872-034X.2009.00511.x. Epub 2009 Apr 03.

AIM: To investigate the effect of ursodeoxycholic acid (UDCA) on liver regeneration following partial hepatectomy in rats with non-alcoholic fatty liver disease (NAFLD).METHODS: UDCA was administered to seven rats (group 1) and physiological saline was administered both to seven...

Imatinib mesylate decreases the cytotoxic effect of roscovitine on human glioblastoma cells in vitro and the role of midkine.

Oncology letters

Erguven M, Bilir A, Yazihan N, Korkmaz S, Aktas E, Ovalioglu C, Dundar T, Seyithanoglu H.
PMID: 22740881
Oncol Lett. 2012 Jan;3(1):200-208. doi: 10.3892/ol.2011.434. Epub 2011 Oct 04.

The purpose of the present study was to overcome resistance to imatinib (IM) by combining it with roscovitine (ROSC) and to investigate whether or not midkine (MK) had an effect on this combination in the treatment of glioblastoma (GBL)....

A Case of Giant Hepatic Hydatid Cyst Infected with Morganella morganii and the Literature Review.

Case reports in gastrointestinal medicine

Hakyemez IN, Sit M, Aktas G, Tas T, Mengeloglu FZ, Kucukbayrak A.
PMID: 23198187
Case Rep Gastrointest Med. 2012;2012:591561. doi: 10.1155/2012/591561. Epub 2012 Nov 11.

Hydatid cyst disease is a common worldwide zoonosis. Most of the cysts are located in the liver. Abscess formation due to infection of the cyst is an important complication. M. morganii, a Gram-negative Bacillus, is a quite rare cause...

Arrays of indefinitely long uniform nanowires and nanotubes.

Nature materials

Yaman M, Khudiyev T, Ozgur E, Kanik M, Aktas O, Ozgur EO, Deniz H, Korkut E, Bayindir M.
PMID: 21666681
Nat Mater. 2011 Jun 12;10(7):494-501. doi: 10.1038/nmat3038.

Nanowires are arguably the most studied nanomaterial model to make functional devices and arrays. Although there is remarkable maturity in the chemical synthesis of complex nanowire structures, their integration and interfacing to macro systems with high yields and repeatability...

Cholestatic hepatitis due to Salmonella typhi.

Clinics and practice

Albayrak A, Seda Gunbey S, Aktas F.
PMID: 24765267
Clin Pract. 2011 Apr 11;1(1):e13. doi: 10.4081/cp.2011.e13. eCollection 2011 Mar 29.

Salmonella infection occurs worldwide and is still an important public health problem in many developing countries. The infection can affect almost all major organs including the liver. Severe hepatic involvement with a clinical feature of acute hepatitis is a...

A comparison of hallux valgus angles assessed with computerised plantar pressure measurements, clinical examination and radiography in patients with diabetes.

Journal of foot and ankle research

Janssen DM, Sanders AP, Guldemond NA, Hermus J, Walenkamp GH, van Rhijn LW.
PMID: 25075224
J Foot Ankle Res. 2014 Jul 21;7:33. doi: 10.1186/1757-1146-7-33. eCollection 2014.

BACKGROUND: Hallux valgus deformity is a common musculoskeletal foot disorder with a prevalence of 3.5% in adolescents to 35.7% in adults aged over 65 years. Radiographic measurements of hallux valgus angles (HVA) are considered to be the most reproducible...

Spontaneous high piezoelectricity in poly(vinylidene fluoride) nanoribbons produced by iterative thermal size reduction technique.

ACS nano

Kanik M, Aktas O, Sen HS, Durgun E, Bayindir M.
PMID: 25133594
ACS Nano. 2014 Sep 23;8(9):9311-23. doi: 10.1021/nn503269b. Epub 2014 Aug 22.

We produced kilometer-long, endlessly parallel, spontaneously piezoelectric and thermally stable poly(vinylidene fluoride) (PVDF) micro- and nanoribbons using iterative size reduction technique based on thermal fiber drawing. Because of high stress and temperature used in thermal drawing process, we obtained...

Amyloid accumulation in the toxic nodule of the thyroid gland in a patient with end stage renal failure.

Case reports in endocrinology

Mousa U, Aktas S, Uner H.
PMID: 23133762
Case Rep Endocrinol. 2012;2012:741754. doi: 10.1155/2012/741754. Epub 2012 Oct 23.

Amyloidosis is characterized by accumulation of amorphous, proteinaceous material in various organs and tissues of the body. Amyloid may accumulate in the thyroid gland in cases of medullary thyroid carcinoma and systemic amyloidosis. Amyloid accumulates extracellularly in the thyroid...

Stimulated Raman scattering of an EH waveguide mode near cyclotron resonance.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Aktas Y, Maraghechi B, Mehdian H, Willett JE.
PMID: 9961777
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1994 May;49(5):4739-4742. doi: 10.1103/physreve.49.4739.

No abstract available.

Association of mean platelet volume and red blood cell distribution width with coronary collateral development in stable coronary artery disease.

Postepy w kardiologii interwencyjnej = Advances in interventional cardiology

Sincer I, Gunes Y, Mansiroglu AK, Cosgun M, Aktas G.
PMID: 30302102
Postepy Kardiol Interwencyjnej. 2018;14(3):263-269. doi: 10.5114/aic.2018.78329. Epub 2018 Sep 21.

INTRODUCTION: The prognostic value of hematological indices in cardiovascular diseases and the association between these parameters and cardiovascular conditions have been established in the literature.AIM: In this study, we aimed to investigate the relation of mean platelet volume (MPV),...

Showing 13 to 24 of 426 entries