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| 1 | Portable lensless wide-field microscopy imaging platform based on digital inline holography and multi-frame pixel super-resolution显示文摘In this paper,an irregular displacement-based lensless wide-field microscopy imaging platform is presented by combining digital in-line holography and computational pixel super-resolution using multi-frame processing.The samples are illuminated by a nearly coherent illumination system,where the hologram shadows are projected into a complementary metal-oxide semiconductor-based imaging sensor.To increase the resolution,a multi-frame pixel resolution approach is employed to produce a single holographic image from multiple frame observations of the scene,with small planar displacements.Displacements are resolved by a hybrid approach:(i)alignment of the LR images by a fast feature-based registration method,and(ii)fine adjustment of the sub-pixel information using a continuous optimization approach designed to find the global optimum solution.Numerical method for phase-retrieval is applied to decode the signal and reconstruct the morphological details of the analyzed sample.The presented approach was evaluated with various biological samples including sperm and platelets,whose dimensions are in the order of a few microns.The obtained results demonstrate a spatial resolution of 1.55 μm on a field-of-view of<30 mm^(2). | Antonio C Sobieranski Fatih Inci H Cumhur Tekin Mehmet Yuksekkaya Eros Comunello Daniel Cobra Aldo von Wangenheim Utkan Demirci | 2015 | Light(Science & Applications)2015，4，1： | 7 |
| 2 | In vitro effect of pantoprazole on lower esophageal sphincter tone in rats显示文摘AIM:To investigate the in vitro effects of pantoprazole on rat lower esophageal sphincter(LES)tone.METHODS:Rats weighing 250-300 g,provided by the Yeditepe University Experimental Research Center(Yü-DETAM),were used throughout the study.They were anesthetized before decapitation.LES tissues whose mucosal lining were removed were placed in a stan-dard 30-mL organ bath with a modif ied Krebs solution and continuously aerated with 95% oxygen-5% carbon dioxide gas mixture and kept at room temperature.The tissues were allowed to stabilize for 60 min.Sub-sequently,the contractile response to 10-6 mol/L carba-chol was obtained.Different concentrations of freshly prepared pantoprazole were added directly to the tis-sue bath to generate cumulative concentrations of 5×10-6 mol/L,5×10-5 mol/L,and 1.5×10-4 mol/L.Activi-ties were recorded on an online computer via a 4-channeltransducer data acquisition system using the software BSL PRO v 3.7,which also analyzed the data.RESULTS:Pantoprazole at 5×10-6 mol/L caused a small,but statistically insignif icant,relaxation in the car-bachol-contracted LES(2.23% vs 3.95%).The 5×10-5 mol/L concentration,however,caused a signif icant relax-ation of 10.47% compared with the control.1.5×10-4 mol/L concentration of pantoprazol caused a 19.89% relaxation in the carbachol contracted LES(P<0.001).CONCLUSION:This is the fi rst study to demonstrate that pantoprazole has a relaxing effect in isolated LESs.These results might have signif icant clinical implications for the subset of patients using proton pump inhibitors who do not receive full symptomatic alleviation from gastroesophageal reflux disease. | Mustafa Duman Mahmut zer Enver Rean Yeliz Demirci Ali E Atιcι Tahsin Dalgι Erdal B Bostancι Ece Gen | 2011 | World Journal of Gastroenterology2011，17，46： | 3 |
| 3 | Effect of different additives on bacterial cellulose production by Aceto- bacter xylinum and analysis of material property显示文摘 | Cheng K C Catchmark J M Demirci A | 2009 | Cellulose2009，16，： | 1 |
| 4 | Acute myocardial infarction and renal infarction in a bodybuilder using anabolic steroids显示文摘 | Ilhan E Demirci D G ven c TS | | 0，，： | 1 |
| 5 | Evaluation of medium composition and cultivation parameters on pullulan production by Aureobasidium pullulans 显示文摘 | Cheng K C Demirci A Catchmark M J | 2011 | Food Science and Technology International2011，17，2： | 1 |
| 6 | Synthesis of functionally gradient nickel-chromium-aluminum/magnesia-Zirconia coatings by plansma spray technique显示文摘 | Eroglu S Birta N C Demirci M | 1993 | Meter Sci Lett1993，12，14： | 1 |
| 7 | Effects of cerebral ischemia on N-Methyl-D-Aspartate and dihydropyridine-sensitive calcium currents显示文摘 | Dalkara T Ayata C Demirci M | 1996 | Stroke1996，27，： | 1 |
| 8 | Pullulan: biosynthesis, production, and applications显示文摘 | Cheng K C Demirci A Catchmark J M | 2011 | Applied Microbiology and Biot- echnology2011，92，1： | 1 |
| 9 | Colloidal method for manganese oxide addition to alumina powder and investigation of properties显示文摘 | Toy C Demirci M Onurlu S | 1995 | J Mater Sci1995，30，16： | 1 |
| 10 | Composition of the essential oil of cotinus coggygria Scop from Turkey显示文摘 | Demirci B Demirci F Baser K H C | 2003 | Flavour and Fragrance Journal2003，18，1： | 1 |
| 11 | Acute effects of balanced versus unbalanced colloid resuscitation on renal macrocirculatory and microcirculatory perfusion during endotoxemic shock显示文摘 | Aksu U Bezemer R Demirci C | 2012 | Shock2012，7，： | 1 |
| 12 | Clinical factors in the identification of small choroidal melanoma显示文摘 | SHIELDS C L DEMIRCI H MATERIN M A | 2004 | Can J Ophthalmol2004，39，4： | 1 |
| 13 | Composition of the essential oil of cotinus coggygria Scop from Turkey显示文摘 | Demirci B Demirci F Baser K H C | 2003 | Flavour and Fragrance Journal2003，18，1： | 1 |
| 14 | Short-term hyperglycemia increases endothelial glycocalyx permeability and acutely decreases lineal density of capillaries with flowing red blood cells显示文摘 | ZUURBIER C DEMIRCI C KOEMAN A | 2005 | Journal of Applied Physiology2005，99，4： | 1 |
| 15 | Congenital adrenal hyperplasia显示文摘 | Demirci C Witchel SF | 2008 | Dermatol Ther2008，21，5： | 1 |
| 16 | Effects of initial ammonium ion concentration on pullulan production by A ure- obasidium pullulans and its modeling 显示文摘 | Cheng K C Demirci A Catchmark J M | 2011 | Journal of Food Engineering2011，103，2： | 1 |
| 17 | The induction of oxi- dative stress, cytotoxicity and genotoxicity by dental adhe- sives 显示文摘 | Demirci M Hiller KA Bosl C | 2008 | Dent Mater2008，24，： | 1 |
| 18 | Effects of cerebral ischemia on N-methyl-D-aspartate and dihydropyridine-sensitive calcium currents: an electrophysiologica] study in the rat hippocampus in situ显示文摘 | Dalkara T Ayata C Demirci M | 1996 | Stroke1996，27，： | 1 |
| 19 | Effects of cerebral ischemia on N-Methy 1-D-Aspartate and dihydropyridine-sensitive calcium currents显示文摘 | Dalkara T Ayata C Demirci M | 1996 | Stroke1996，27，： | 1 |
| 20 | Orbital tumors in the older adult population显示文摘 | Hakan Demirci Carol L Shields Jerry A Shields Santosh G Honavar Gary J Mercado Jose C Tovilla | 2002 | Ophthalmology2002，，2： | 1 |
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