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OALib Journal期刊

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Optic Atrophy Due to Vitamin B12 Deficiency Without Anemia
Ayten Yakut,Ener Cagr Dinleyici,Ozcan Bor,Coskun Yarar
Journal of Medical Sciences , 2008,
Abstract: Vitamin B12 deficiency can cause neurologic findings without anemia. Optic neuropathy due to vitamin B12 deficiency occurs occasionally in adult patients but it is rarely seen in children. A 16 year-old boy was followed up in the outpatient clinic with blurred vision. On physical examination, he had optic atrophy bilaterally without other neurologic findings. He had low levels of serum vitamin B12 and had no anemia. After cyanocobalamine treatment, visual acuity was improved but ophthalmologic findings were little changed despite serum vitamin B12 levels returned to be a normal. In conclusion, we want to draw attention that unexplained visual loss in childhood, especially in adolescence period, might be due to vitamin B12 deficiency and improvement of the visual symptoms is very well with vitamin B12 treatment. Optic atrophy without anemia may be the first sign of vitamin B12 deficiency.
Prevalence of Anemia and Related Risk Factors Among 4-11 Months Age Infants in Eskisehir, Turkey
Alaattin Unsal,Ozcan Bor,Mustafa Tozun,Ener Cagri Dinleyici
Journal of Medical Sciences , 2007,
Abstract: This aim of study was to determine the prevalence of anemia among infants from 4 to 11 months age and also to evaluate possible related risk factors with anemia. Hemoglobin level was determined by Hemocue hemoglobinometer in capillary blood samples. Anemia was diagnosed if hemoglobin (Hb) concentration was < 11.0 g dL-1. Study group was occurred 3039 healthy infants (51.4% boy) from 4 to 11 months age, visited primary care centers and accepted study from April 2004 to March 2005 in Eskisehir. The mean age was 6.85±2.57 months. An 81.1% of infants live in urban area and 18.8% of the study population had no health insurance. Prevalence of anemia was found in 40.3% in total study group; 42.2% for boys and 38.3% for girls (p< 0.05). The highest anemia prevalence was found at 6-7 months infants (46.8%). Prevalence of anemia was higher in for rural area than found in urban area (46.7 and 38.9%, p = 0.001) and also higher in children which have no insurance. In results of logistic model, to be boy, 6-7 months age group, living in rural area and had no insurance were important risk factors for anemia. These results suggest that production and application of preventive policies about risk factors for anemia by health policy makers.
Assessment of Hematological Toxicity in Children with Acute Lymphoblastic Leukemia, Receiving Treatment with ALL IC-BFM 2009 Protocol  [PDF]
Zeynep Canan Ozdemir, Yeter Düzenli Kar, Ayse Bozkurt Turhan, Ozcan Bor
Open Access Library Journal (OALib Journal) , 2017, DOI: 10.4236/oalib.1103807
Abstract:
The most common childhood cancer is acute lymphoblastic leukemia (ALL). Chemotherapy-associated hematological toxicity is well-known; however, there are few studies on hematologic toxicity incidence in children with ALL. We investigated the severity and incidence of hematologic toxicity during intense chemotherapy processes in children treated with ALL IC-BFM 2009 protocol. The study included 41 leukemic children in standard (SR) and intermediate risk (IR) groups treated between 2011 and 2015. During the induction period, the incidence of grade 4 toxicity in neutrophil count was 60%; the incidence of grade ≥ 3 toxicity in hemoglobin level was 34%; and the incidence of grade ≥ 3 toxicity in the platelet count was 51%. Deep neutropenia duration was 36.6 ± 12.7 (18-68) days during the induction. 53% of the febrile neutropenic (FEN) episodes developed during the induction period. There were no statistical differences between SR and IR risk groups with respect to hemogram values deep neutropenia duration and the number of FEN episodes (p > 0.05, all). There was a positive correlation between the number of FEN episodes and duration of neutropenia. During the induction, the mean neutrophil count remained between 0.5-1 × 109/L. FEN episodes most commonly developed during the induction phase.
The Relationship between Macroeconomic Variables and ISE Industry Index
Ahmet Ozcan
International Journal of Economics and Financial Issues , 2012,
Abstract: In this study, the relationship between macroeconomic variables and Istanbul Stock Exchange (ISE) industry index is examined. Over the past years, numerous studies have analyzed these relationships and the different results obtained from these studies have motivated further research. The relationship between stock exchange index and macroeconomic variables has been well documented for the developed markets. However, there are few studies regarding the relationship between macroeconomic variables and stock exchange index for the developing markets. Thus, this paper seeks to address the question of whether macroeconomic variables have a significant relationship with ISE industry index using monthly data for the period from 2003 to 2010. The selected macroeconomic variables for the study include interest rates, consumer price index, money supply, exchange rate, gold prices, oil prices, current account deficit and export volume. The Johansen’s cointegration test is utilized to determine the impact of selected macroeconomic variables on ISE industry index. The result of the Johansen’s cointegration shows that macroeconomic variables exhibit a long run equilibrium relationship with the ISE industry index.
Distribution of Non-Indigenous Fish Species, Prussian Carp Carassius gibelio (Bloch, 1782) in the Turkish Freshwater Systems
Gulnaz Ozcan
Pakistan Journal of Biological Sciences , 2007,
Abstract: The non-indigenous fish species, Prussian carp Carassius gibelio (Bloch, 1782), was first reported in the Thrace region of Turkey. The species is now established in at least 46 freshwater systems (lake, river, reservoir, lagoon and pond) of Turkey and the species’ spread has been especially rapid between 1998 and 2006. Especially, this species show the rapid invasion of Carassius gibelio in Turkish freshwater systems from Thrace to Anatolia.
HüSEY N ANKA LE G RüNEN N TES NDEK GER EKL E UZANAN B R SERüVEN: M MAR S NAN HEYKEL
Ozcan Ozkarakoc
Idil Dergisi , 2013, DOI: 10.7816/idil-02-06-04
Abstract: A work of art as the product of a challenge confronts its viewers. Actually, this situation is the name of a number of difficulties for both its viewers and its creator. However, the artist who creates the work expresses that he can create after exploring the obligations of art-specific requirements. Artwork, all the plastic principles and elements by shaping in intention of artist, comes to life in the images are transformed into the plastic of expressive power of the creative mind. As well as the Statue of Mimar Sinan of Hüseyin Anka zkan. The artist in the process of interpretation of the chief architect review of obtained historical documents until that day, that Sinan’s the character outlines have been creating the most important sources of reference.
SANAT YAPITINDA BA LAMSAL ELE T R N B R DENEME: DAVUD ve GOLYAT RNE
Ozcan Ozkarakoc
Idil Dergisi , 2012, DOI: 10.7816/idil-01-02-01
Abstract: The truth that art had been a result of unlimited desire of indulgence resulted in understanding, experiencing and comprehending all kinds of art product. Work of arts and concepts that characterized them showed variety with the events emerged in the course of time and with the cultures from where they appeared. When examining any work of art pertaining to any period, it is required to examine society and people of the same period and time slice from all aspects. Clues that are found from the culture of society created by artist in his/her work of art can determine axis of capability of answering the questions wondered about within the interpretation process of work. To explain and understand any work of art in respect of its subject treated in the light of historical and cultural knowledge is a requirement, because in these works, there is an agreed meaning that is deliberately and intentionally put by artist. For assessment and experience of the work of arts, first of all, there must be an agreed meaning and it must be analyzed. In this study, study of criticism on work of art, backgrounds of aesthetic perception and collective structure between time and place have been examined with the example of David and Goliath.
Retention and Retrieval of Unidirectional, Paired-associate Verbal Input
Mehmet OZCAN
English Language Teaching , 2012, DOI: 10.5539/elt.v5n11p29
Abstract: This study is designed to investigate whether the sequence of input is influential in the recollection of the retained information. Eighty first year students, 40 girls and 40 boys, studying in ELT department participated in the study. Three tasks were administered to the participants. In the first test three different lists of words and their counterparts are given. The participants were asked to learn the words in a column and their counterparts in the next one. They were informed that they were going to be given a test two days later. In the second test, administered two days later following the first one, they were given the lists as the sequence of the words was reversed. In the third test, the participants were given the words tea, window, spill and break as a free association test. While the failure in the recollection of paired-associate words in Forward Recall tests was low, it was significantly high in Backward Recollection tests. The findings show that the sequence of the input at the time of retention is crucial in the recollection of the information stored in memory.
Green's function for a n-dimensional closed, static universe and with a spherical boundary
Mustafa Ozcan
Physics , 2001,
Abstract: We construct the Hadamard Green's function by using the eigenfunction, which are obtained by solving the wave equation for the massless conformal scalar field on the S^n-1 of a n-dimensional closed, static universe. We also consider the half space case with both the Dirichlet and the Neumann boundary conditions. Solving of eigenfunction and eigenvalues of the corresponding field equation is interesting since the Casimir energy could be calculated analytically by various methods.
Scalar Casimir effect between two concentric spheres
Mustafa Ozcan
Physics , 2012, DOI: 10.1142/S0217751X12500820
Abstract: The Casimir effect giving rise to an attractive force between the closely spaced two concentric spheres that confine the massless scalar field is calculated by using a direct mode summation with contour integration in the complex plane of eigenfrequencies. We devoleped a new approach appropriate for the calculation of the Casimir energy for spherical boundary conditions. The Casimir energy for a massless scalar field between the closely spaced two concentric spheres coincides with the Casimir energy of the parallel plates for a massless scalar field in the limit when the dimensionless parameter {\eta}, ({\eta}=((a-b)/(\surd(ab))) where a (b) is inner (outer) radius of sphere), goes to zero. The efficiency of new approach is demonstrated by calculation of the Casimir energy for a massless scalar field between the closely spaced two concentric half spheres. PACS number(s): 03.70.+k, 12.20.DS, 11.10.Gh
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