The most common type of nephrotic syndrome in children is minimal change disease (MCD), which is ... more The most common type of nephrotic syndrome in children is minimal change disease (MCD), which is usually responsive to steroid therapy. Steroid dependency is one of the handicaps in the management of these children. Thus, the early prediction of the disease course may improve treatment strategy. Demographic characteristics and laboratory parameters of 35 patients at the time of MCD diagnosis were retrospectively obtained from the hospital records. There were 23 (65%) patients with steroid sensitive (SSNS) and 12 (35%) with steroid dependent nephrotic syndrome (SDNS). There was a significant difference between the patients with SSNS and SDNS in terms of age at diagnosis, remission time, and mean values of platelet volume, low density lipoprotein cholesterol, uric acid, urine protein-to-creatinine ratio, total cholesterol and creatinine (p = 0.003, p < 0.001, p = 0.013, p = 0.006, p = 0.036, p = 0.02, p = 0.003, and p = 0.034, respectively). The prediction of early markers of stero...
It is well known that the needle of a compass in a magnetic field deflects, and that a compass ne... more It is well known that the needle of a compass in a magnetic field deflects, and that a compass near a conductive wire carrying a stable electric current deflects its needle. The only explanation of this observation is that the current-carrying wire creates a magnetic field around it. The strength of the magnetic field at any point near the wire depends on the strength of the current and the distance from the wire. Analysis of the magnetic field created by a long straight current-carrying wire has an important place in magnetism teaching. Therefore, the aim of this study was to develop a low-cost experimental setup to collect real-time data for the analysis of the magnetic field near a long straight wire.
Objective: Henoch-Schonlein purpura (HSP) is the most common vasculitis of childhood, presenting ... more Objective: Henoch-Schonlein purpura (HSP) is the most common vasculitis of childhood, presenting with immunoglobulin A-dominant immune deposits. Unless there is an organ involvement, the prognosis of HSP is excellent. In this study, we aimed to evaluate clinical and laboratory risk factors for organ involvement in patients with HSP. Method: Our study sample consisted of 95 children with HSP and 75 healthy controls. Clinical and laboratory parameters recorded at the first admission to the hospital were retrospectively evaluated. The neutrophil-tolymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) were calculated based on the complete blood counts. Results: Leucocyte, neutrophil and lymphocyte counts, C-reactive protein, PLR, platelet distribution width, and NLR were significantly higher in the HSP group than in the control group (p=0.008, p<0.001, p=0.003, p<0.001, p=0.002, p<0.001, p=0.002, and p<0.001, respectively). In the HSP group, NLR, PLR and lymphocyte were significantly higher among the patients with renal involvement and those with gastrointestinal involvement. Neutrophil levels were correlated with renal involvement. Additionally, the older age onset of the disease and elevated antistreptolysin O (ASO) levels were associated with renal involvement. Conclusion: NLR, PLR and lymphocyte counts may be used as inflammatory indicators of renal and gastrointestinal involvement in HSP. In addition, the neutrophil count is associated with renal involvement. The older age onset of HSP and elevated ASO levels are risk factors for renal involvement in HSP.
TEZ8558Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2011.Kaynakça (s. 63-65) var.v, 67 s.... more TEZ8558Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2011.Kaynakça (s. 63-65) var.v, 67 s. ; 29 cm.Let n PT and n T denote the semigroups of all partial transformations semigroup and of all transformations semigroup on the natural ordered set {1,2, , } nX = Kn, respectively. Since n PT contains a zero element, n PT contains a nilpotent elements. n L shall denote the subsemigroup of n PT contains generated by all the nilpotents of n PT . In this thesis, we investigate and collect the study about subsemigroup of n PT which is generated by the nilpotents of n PT . For this purpose we consider two cases n is even or odd...PTn ve Tn ile {1,2, , } nX = Kn sıralı kümesi üzerinde sırasıyla tüm kısmi dönüşümler yarıgrubunu ve tüm dönüşümler yarıgrubunu gösterelim. n PT sıfır elemanını içeriyor olup, n PT nilpotent eleman içerir. n L ile n PT nin tüm nilpotent elemanları tarafından doğurulan n PT nin alt yarıgrubunu gösterelim. Bu tezde n PT nin nilpotentleri tarafından doğurulan n PT ...
The objective of this work is to suggest a conceptual framework on teaching capacitors and induct... more The objective of this work is to suggest a conceptual framework on teaching capacitors and inductors in order to improve teaching abilities and to eliminate some fundamental misconceptions. The effort initially deals with resolution of physical structure and structural concepts/parameters of the devices and then resolves DC and AC responses of the inductors and capacitors. The resolutions are achieved by considering basic serious RL and RC circuits and resolving the circuits both theoretically and experimentally. As a result, an alternative teaching approach is offered and also a novel instructional material is developed and suggested. Some teaching clues are briefly inserted to guide teachers/instructors to reach a higher comprehension level. It is believed that the implications of the developed teaching material would be quite high and beneficial.
The polarization of light is one of the best representations of the wave character of light, havi... more The polarization of light is one of the best representations of the wave character of light, having a wide range of applications ranging from spectroscopy to sunglasses. The relationship between light intensity and the angle between the transmission axis of the polarizer and the analyzer can be explained by Malus' law. In this study, an experiment is presented that has been designed to prove Malus' law using simple tools. The experiment consists of a lightproof box having an analyzer, a polarizer, and an LDR, to create a dark environment, a microcontroller, the Arduino Nano, to collect data from the LDR and the Polarization of Light (PoL) application developed by the researchers to analyze and graph the collected data. In the experiment, a graph in which the light intensity depends on the angle is drawn in real time on a phone screen with an Android operating system. In the experiment, a graph of the light intensity depending on the angle is drawn in real time on a phone having an Android operating system. The experiment allows researchers and students to directly correlate the angle change between the analyzer and polarizer axes with the light intensity according to Malus' law.
Xanthogranulomatous pyelonephritis (XPN) is an unusual and severely chronic inflammatory disease ... more Xanthogranulomatous pyelonephritis (XPN) is an unusual and severely chronic inflammatory disease of the kidney, characterized by infiltration of the renal parenchyma with lipid laden macrophages. 1 It is rarely seen in childhood and the mechanism of XPN is poorly understood. 2 Recurrent urinary tract infections, obstructive nephropathy caused by renal calculus, malnutrition, abnormal lipid metabolism and altered immunologic response reported to predispose an individual to this rare renal parenchymal infection often mimicking neoplastic renal disorder. 3 A five-year-old girl with complaints of flank pain, concomitant hyperpyrexia, loss of appetite for a month was referred to our clinic for further evaluation. She was treated with several courses of antibiotics for about a month in different centers. However, no diagnostic imaging was performed. Her history revealed that her development was uneventful. There was a positive family history of nephrolithiasis. Her physical examination findings were as follows: weight, 15 kg (<3 percentiles); height,
International Journal of Game-Based Learning, 2020
The aim of this study is to introduce an educational game called The Star Game, and to examine it... more The aim of this study is to introduce an educational game called The Star Game, and to examine its effects on prospective science teachers' conceptual understanding of stars. In addition, their opinions of The Star Game were examined. The study was conducted with a total of 54 prospective teachers in three groups. The Star Game was played in all three groups and data was collected using the Star Properties Concept Inventory and the Star Game Opinion Questionnaire. The conceptual understanding on the stars increased significantly in all three groups after the application. The Star Game was described as enjoyable, interesting, instructive, and promoting a positive classroom environment, and a valuable educational activity for the profession. Criticisms included the length of answers, the noise caused in the classroom, and the time required.
In this study, it is aimed to determine the effect of inquiry-based activities supported by compu... more In this study, it is aimed to determine the effect of inquiry-based activities supported by computer simulations on the misconceptions of physics teacher candidates on photoelectric effect. Participants of the research constitute 28 teacher candidates who are registered in
Resumen: The aim of this study is to determine university students' conceptions about some e... more Resumen: The aim of this study is to determine university students' conceptions about some electricity concepts. The data were obtained from 177 undergraduate students by means of a concept test developed by the researchers. The concept test is named as Electricity ...
... UK: Rutledge. Bağcı, N., &amp;amp; Şimşek, S. (1999). Fizik Konularının Öğretiminde Farkl... more ... UK: Rutledge. Bağcı, N., &amp;amp; Şimşek, S. (1999). Fizik Konularının Öğretiminde Farklı Öğretim Metotlarının Öğrenci Başarısına Etkisi, Gazi Üniversitesi Eğitim Fakültesi Dergisi, 19(3) 79-88.Bilal, E. &amp;amp; Erol, M. (2008). Student Understanding of Capacitors in a DC Circuit. ...
Noncardiogenic pulmonary edema caused by transfusion has been observed for almost 60 years. Today... more Noncardiogenic pulmonary edema caused by transfusion has been observed for almost 60 years. Today, we know this entity as transfusion-related acute lung injury (TRALI). TRALI is an uncommon but potentially fatal adverse reaction to transfusion of plasma-containing blood components. It is typified by dyspnea, cough, hypoxemia, and pulmonary edema within 6 hours of transfusion. Most commonly, it is caused by donor HLA antibodies that react with recipient antigens. It may also be caused by biologically active compounds accumulated during storage of blood products, which are capable of priming neutrophils. Without a "gold standard, " the diagnosis of TRALI relies on a high index of suspicion and on excluding other types of transfusion reactions. Although current definitions of TRALI depend on symptoms, laboratory parameters can aid in the diagnosis and frequently identify the causative donor unit. As our understanding of TRALI deepens, risk reduction or prevention may become possible. Recently, a 72-year-old man with peripheral vascular disease was admitted to our institution with an occluded right lower extremity arterial bypass graft and cellulitis of the right foot. On the second hospital day, 2 U of fresh frozen plasma (FFP) were ordered to correct an international normalized ratio of 1.73 before surgery. After transfusion of approximately 100 mL of the first unit of FFP, the patient became acutely short of breath, hypoxemic, and hypotensive. The transfusion was stopped, and the patient was given supplemental oxygen. A chest radiograph taken shortly after the onset of symptoms revealed bilateral pulmonary infiltrates. Intubation and mechanical ventilation were required to maintain adequate oxygenation, and vasopressors were needed to maintain adequate perfusion. A CBC count drawn approximately 1 hour after the onset of symptoms revealed a WBC count of 7,500/µL (7.5 × 10 9 /L), which was markedly decreased from 10,560/µL (10.6 × 10 9 /L) earlier that day. During the ensuing hours, the patient became anuric, and after several hours of maximal support, the family decided against further resuscitative measures. Shortly thereafter, the patient became asystolic and was pronounced dead. Autopsy revealed edematous lungs with a combined weight of 2,780 g. Histologic examination revealed neutrophilic aggregates throughout the pulmonary, central nervous system, hepatic, and renal vasculature. Investigation of the implicated unit of FFP revealed that it was from a multiparous female donor with class I and II histocompatibility antibodies.
The aim of this study was to determine students’ understanding of fundamental AC signal concepts,... more The aim of this study was to determine students’ understanding of fundamental AC signal concepts, such as frequency, amplitude, and phase difference. The participants in the study were 179 students (44 female and 135 male) attending Izmir Vocational School who were enrolled in the Analog Electronics Course. The data of the study were collected by means of three open-ended questions and semi-structured interviews. In the questions, students were given a graph of an AC signal and asked to draw a signal with equal frequency but higher amplitude, a signal with equal amplitude but higher frequency, and a signal with a certain phase difference. The main aim of the interviews was to provide a deeper insight into the difficulties detected in the analysis of the questions. The data analysis showed that the students confused the concepts of frequency and amplitude and had difficulties in interpreting the signals that exhibited a phase difference.
... com **Department of Physics Education, Education Faculty of Buca, Dokuz Eylul University, 351... more ... com **Department of Physics Education, Education Faculty of Buca, Dokuz Eylul University, 35100, Buca, Izmir, Turkey, mustafa. erol(q),deu. edu. tr ... 3. MC Wittmann, RN Steinberg and EF Redish,^ra. J. Phys., 70 (3), 218-226 (2002). 4. DF Styer^ra. J. Phys., 64, 31-34 (1996). ...
The most common type of nephrotic syndrome in children is minimal change disease (MCD), which is ... more The most common type of nephrotic syndrome in children is minimal change disease (MCD), which is usually responsive to steroid therapy. Steroid dependency is one of the handicaps in the management of these children. Thus, the early prediction of the disease course may improve treatment strategy. Demographic characteristics and laboratory parameters of 35 patients at the time of MCD diagnosis were retrospectively obtained from the hospital records. There were 23 (65%) patients with steroid sensitive (SSNS) and 12 (35%) with steroid dependent nephrotic syndrome (SDNS). There was a significant difference between the patients with SSNS and SDNS in terms of age at diagnosis, remission time, and mean values of platelet volume, low density lipoprotein cholesterol, uric acid, urine protein-to-creatinine ratio, total cholesterol and creatinine (p = 0.003, p < 0.001, p = 0.013, p = 0.006, p = 0.036, p = 0.02, p = 0.003, and p = 0.034, respectively). The prediction of early markers of stero...
It is well known that the needle of a compass in a magnetic field deflects, and that a compass ne... more It is well known that the needle of a compass in a magnetic field deflects, and that a compass near a conductive wire carrying a stable electric current deflects its needle. The only explanation of this observation is that the current-carrying wire creates a magnetic field around it. The strength of the magnetic field at any point near the wire depends on the strength of the current and the distance from the wire. Analysis of the magnetic field created by a long straight current-carrying wire has an important place in magnetism teaching. Therefore, the aim of this study was to develop a low-cost experimental setup to collect real-time data for the analysis of the magnetic field near a long straight wire.
Objective: Henoch-Schonlein purpura (HSP) is the most common vasculitis of childhood, presenting ... more Objective: Henoch-Schonlein purpura (HSP) is the most common vasculitis of childhood, presenting with immunoglobulin A-dominant immune deposits. Unless there is an organ involvement, the prognosis of HSP is excellent. In this study, we aimed to evaluate clinical and laboratory risk factors for organ involvement in patients with HSP. Method: Our study sample consisted of 95 children with HSP and 75 healthy controls. Clinical and laboratory parameters recorded at the first admission to the hospital were retrospectively evaluated. The neutrophil-tolymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) were calculated based on the complete blood counts. Results: Leucocyte, neutrophil and lymphocyte counts, C-reactive protein, PLR, platelet distribution width, and NLR were significantly higher in the HSP group than in the control group (p=0.008, p<0.001, p=0.003, p<0.001, p=0.002, p<0.001, p=0.002, and p<0.001, respectively). In the HSP group, NLR, PLR and lymphocyte were significantly higher among the patients with renal involvement and those with gastrointestinal involvement. Neutrophil levels were correlated with renal involvement. Additionally, the older age onset of the disease and elevated antistreptolysin O (ASO) levels were associated with renal involvement. Conclusion: NLR, PLR and lymphocyte counts may be used as inflammatory indicators of renal and gastrointestinal involvement in HSP. In addition, the neutrophil count is associated with renal involvement. The older age onset of HSP and elevated ASO levels are risk factors for renal involvement in HSP.
TEZ8558Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2011.Kaynakça (s. 63-65) var.v, 67 s.... more TEZ8558Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2011.Kaynakça (s. 63-65) var.v, 67 s. ; 29 cm.Let n PT and n T denote the semigroups of all partial transformations semigroup and of all transformations semigroup on the natural ordered set {1,2, , } nX = Kn, respectively. Since n PT contains a zero element, n PT contains a nilpotent elements. n L shall denote the subsemigroup of n PT contains generated by all the nilpotents of n PT . In this thesis, we investigate and collect the study about subsemigroup of n PT which is generated by the nilpotents of n PT . For this purpose we consider two cases n is even or odd...PTn ve Tn ile {1,2, , } nX = Kn sıralı kümesi üzerinde sırasıyla tüm kısmi dönüşümler yarıgrubunu ve tüm dönüşümler yarıgrubunu gösterelim. n PT sıfır elemanını içeriyor olup, n PT nilpotent eleman içerir. n L ile n PT nin tüm nilpotent elemanları tarafından doğurulan n PT nin alt yarıgrubunu gösterelim. Bu tezde n PT nin nilpotentleri tarafından doğurulan n PT ...
The objective of this work is to suggest a conceptual framework on teaching capacitors and induct... more The objective of this work is to suggest a conceptual framework on teaching capacitors and inductors in order to improve teaching abilities and to eliminate some fundamental misconceptions. The effort initially deals with resolution of physical structure and structural concepts/parameters of the devices and then resolves DC and AC responses of the inductors and capacitors. The resolutions are achieved by considering basic serious RL and RC circuits and resolving the circuits both theoretically and experimentally. As a result, an alternative teaching approach is offered and also a novel instructional material is developed and suggested. Some teaching clues are briefly inserted to guide teachers/instructors to reach a higher comprehension level. It is believed that the implications of the developed teaching material would be quite high and beneficial.
The polarization of light is one of the best representations of the wave character of light, havi... more The polarization of light is one of the best representations of the wave character of light, having a wide range of applications ranging from spectroscopy to sunglasses. The relationship between light intensity and the angle between the transmission axis of the polarizer and the analyzer can be explained by Malus' law. In this study, an experiment is presented that has been designed to prove Malus' law using simple tools. The experiment consists of a lightproof box having an analyzer, a polarizer, and an LDR, to create a dark environment, a microcontroller, the Arduino Nano, to collect data from the LDR and the Polarization of Light (PoL) application developed by the researchers to analyze and graph the collected data. In the experiment, a graph in which the light intensity depends on the angle is drawn in real time on a phone screen with an Android operating system. In the experiment, a graph of the light intensity depending on the angle is drawn in real time on a phone having an Android operating system. The experiment allows researchers and students to directly correlate the angle change between the analyzer and polarizer axes with the light intensity according to Malus' law.
Xanthogranulomatous pyelonephritis (XPN) is an unusual and severely chronic inflammatory disease ... more Xanthogranulomatous pyelonephritis (XPN) is an unusual and severely chronic inflammatory disease of the kidney, characterized by infiltration of the renal parenchyma with lipid laden macrophages. 1 It is rarely seen in childhood and the mechanism of XPN is poorly understood. 2 Recurrent urinary tract infections, obstructive nephropathy caused by renal calculus, malnutrition, abnormal lipid metabolism and altered immunologic response reported to predispose an individual to this rare renal parenchymal infection often mimicking neoplastic renal disorder. 3 A five-year-old girl with complaints of flank pain, concomitant hyperpyrexia, loss of appetite for a month was referred to our clinic for further evaluation. She was treated with several courses of antibiotics for about a month in different centers. However, no diagnostic imaging was performed. Her history revealed that her development was uneventful. There was a positive family history of nephrolithiasis. Her physical examination findings were as follows: weight, 15 kg (<3 percentiles); height,
International Journal of Game-Based Learning, 2020
The aim of this study is to introduce an educational game called The Star Game, and to examine it... more The aim of this study is to introduce an educational game called The Star Game, and to examine its effects on prospective science teachers' conceptual understanding of stars. In addition, their opinions of The Star Game were examined. The study was conducted with a total of 54 prospective teachers in three groups. The Star Game was played in all three groups and data was collected using the Star Properties Concept Inventory and the Star Game Opinion Questionnaire. The conceptual understanding on the stars increased significantly in all three groups after the application. The Star Game was described as enjoyable, interesting, instructive, and promoting a positive classroom environment, and a valuable educational activity for the profession. Criticisms included the length of answers, the noise caused in the classroom, and the time required.
In this study, it is aimed to determine the effect of inquiry-based activities supported by compu... more In this study, it is aimed to determine the effect of inquiry-based activities supported by computer simulations on the misconceptions of physics teacher candidates on photoelectric effect. Participants of the research constitute 28 teacher candidates who are registered in
Resumen: The aim of this study is to determine university students' conceptions about some e... more Resumen: The aim of this study is to determine university students' conceptions about some electricity concepts. The data were obtained from 177 undergraduate students by means of a concept test developed by the researchers. The concept test is named as Electricity ...
... UK: Rutledge. Bağcı, N., &amp;amp; Şimşek, S. (1999). Fizik Konularının Öğretiminde Farkl... more ... UK: Rutledge. Bağcı, N., &amp;amp; Şimşek, S. (1999). Fizik Konularının Öğretiminde Farklı Öğretim Metotlarının Öğrenci Başarısına Etkisi, Gazi Üniversitesi Eğitim Fakültesi Dergisi, 19(3) 79-88.Bilal, E. &amp;amp; Erol, M. (2008). Student Understanding of Capacitors in a DC Circuit. ...
Noncardiogenic pulmonary edema caused by transfusion has been observed for almost 60 years. Today... more Noncardiogenic pulmonary edema caused by transfusion has been observed for almost 60 years. Today, we know this entity as transfusion-related acute lung injury (TRALI). TRALI is an uncommon but potentially fatal adverse reaction to transfusion of plasma-containing blood components. It is typified by dyspnea, cough, hypoxemia, and pulmonary edema within 6 hours of transfusion. Most commonly, it is caused by donor HLA antibodies that react with recipient antigens. It may also be caused by biologically active compounds accumulated during storage of blood products, which are capable of priming neutrophils. Without a "gold standard, " the diagnosis of TRALI relies on a high index of suspicion and on excluding other types of transfusion reactions. Although current definitions of TRALI depend on symptoms, laboratory parameters can aid in the diagnosis and frequently identify the causative donor unit. As our understanding of TRALI deepens, risk reduction or prevention may become possible. Recently, a 72-year-old man with peripheral vascular disease was admitted to our institution with an occluded right lower extremity arterial bypass graft and cellulitis of the right foot. On the second hospital day, 2 U of fresh frozen plasma (FFP) were ordered to correct an international normalized ratio of 1.73 before surgery. After transfusion of approximately 100 mL of the first unit of FFP, the patient became acutely short of breath, hypoxemic, and hypotensive. The transfusion was stopped, and the patient was given supplemental oxygen. A chest radiograph taken shortly after the onset of symptoms revealed bilateral pulmonary infiltrates. Intubation and mechanical ventilation were required to maintain adequate oxygenation, and vasopressors were needed to maintain adequate perfusion. A CBC count drawn approximately 1 hour after the onset of symptoms revealed a WBC count of 7,500/µL (7.5 × 10 9 /L), which was markedly decreased from 10,560/µL (10.6 × 10 9 /L) earlier that day. During the ensuing hours, the patient became anuric, and after several hours of maximal support, the family decided against further resuscitative measures. Shortly thereafter, the patient became asystolic and was pronounced dead. Autopsy revealed edematous lungs with a combined weight of 2,780 g. Histologic examination revealed neutrophilic aggregates throughout the pulmonary, central nervous system, hepatic, and renal vasculature. Investigation of the implicated unit of FFP revealed that it was from a multiparous female donor with class I and II histocompatibility antibodies.
The aim of this study was to determine students’ understanding of fundamental AC signal concepts,... more The aim of this study was to determine students’ understanding of fundamental AC signal concepts, such as frequency, amplitude, and phase difference. The participants in the study were 179 students (44 female and 135 male) attending Izmir Vocational School who were enrolled in the Analog Electronics Course. The data of the study were collected by means of three open-ended questions and semi-structured interviews. In the questions, students were given a graph of an AC signal and asked to draw a signal with equal frequency but higher amplitude, a signal with equal amplitude but higher frequency, and a signal with a certain phase difference. The main aim of the interviews was to provide a deeper insight into the difficulties detected in the analysis of the questions. The data analysis showed that the students confused the concepts of frequency and amplitude and had difficulties in interpreting the signals that exhibited a phase difference.
... com **Department of Physics Education, Education Faculty of Buca, Dokuz Eylul University, 351... more ... com **Department of Physics Education, Education Faculty of Buca, Dokuz Eylul University, 35100, Buca, Izmir, Turkey, mustafa. erol(q),deu. edu. tr ... 3. MC Wittmann, RN Steinberg and EF Redish,^ra. J. Phys., 70 (3), 218-226 (2002). 4. DF Styer^ra. J. Phys., 64, 31-34 (1996). ...
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