Sağlık Hizmetleri Meslek Yüksekokulu / Vocational School of Health Services
Permanent URI for this collectionhttps://hdl.handle.net/11727/3080
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Item Evaluation of Radioactivity Levels and Radiological Hazards of Some Endemic Plants Used as Medicine in Ankara, Turkey(2023) Guven, Aysel; Cengiz, Gulcin Bilgici; Caglar, Ilyas; Ates, Simge; 37536028In this study, natural radioactivity levels (Ra-226, Th-232, and (4) K) of some medicinal plant samples with known anti-oxidative properties, which are frequently consumed by animals and humans, were obtained from Ankara province and its surroundings (Mamak, Kizilcahamam, Beypazari, Kahramankazan, and Polatli districts) were determined using a thallium-doped sodium iodide NaI(Tl) gamma spectrometry. By using the determined natural radioactivity concentrations in the collected plant samples, the number of radiological doses that people could be exposed by consuming these plants was calculated. As a result of the study, Ra-226, Th-232, and (4) K radioactivity concentration ranges of the plant samples were found be 14.69 +/- 1.27-59.08 +/- 3.12 Bq kg(-1), 1.78 +/- 0.04-50.05 +/- 2.76 Bq kg(-1) and 207.24 +/- 34.09-826.13 +/- 25.40 Bq kg(-1), respectively. The highest Ra-226, Th-232, and (4) K activity concentrations were measured in Astragalus densifolius subsp. ayashensis (Kahramankazan), Astragalus kochakii (Kahramankazan) and Rumex patientia (Patience Dock) (Kahramankazan) plants, respectively. The lowest Ra-226, Th-232 and,(4) K activity concentration plants were determined respectively as Rumex patientia (Mamak), Lavandula angustifolia (Kizilcahamam), and Astragalus acikirensis (Polatli). The establishment and routine repetition of environmental radioactivity monitoring programs in each region are important for human and animal health, and the results of this study gain importance for Ankara and its surroundings in terms of environmental health.Item Antecedents of Nurse Burnout During a Pandemic: Managerial Way Out(2022) Basar, Ufuk; Dogan, Aysun; Ertugrul, BekirThe aim of this research is to uncover whether nurses' fear of contracting Coronavirus Disease 2019 (COVID-19) has resulted in stress-related presenteeism and burnout, and whether perceived organisational support is effective in dealing with both nurses' fear of contracting COVID-19 and its undesired consequences. For this purpose, a cross-sectional and descriptive research has been conducted. The data are collected from 513 nurses working in Ankara, Turkey, through a questionnaire survey. Independent samples t-test, one-way analysis of variance test and partial least squares structural equation modelling technique are employed to analyse the data. Findings indicate that nurses fear infection and experience stress-related presenteeism and burnout considerably. However, they perceive slightly inadequate level of organisational support. Fear of infection has resulted in stress-related presenteeism and burnout. Stress-related presenteeism has mediated the relationship between fear of infection and burnout. Perceived organisational support has negatively related to fear of infection and its negative consequences. In this research, to our knowledge, for the first time, the burnout, stress-related presenteeism, fear of infection and perceived organisational support levels of nurses are compared according to the pandemic-related criteria. Besides, the mediating role of nurses' stress-related presenteeism between their fear of contracting COVID-19 and burnout is discovered.Item Temperature dependence of the piezoelectric resonance frequency in relation to the anomalous strain near the incommensurate phase of quartz(2021) Ates, S; Yurtseven, H.The temperature dependence of the piezoelectric resonance frequency is analyzed by the power-law formula in the vicinity of the critical temperature of the incommensurate (INC) phase in quartz using the experimental data from the literature. By considering the piezoelectric resonance frequency as an order parameter of the INC phase, correlation between the piezoelectric resonance frequency and the strain is constructed, which both decrease linearly with increasing temperature toward T-c in quartz. Our results can explain dynamics of the ordering mechanism in the INC phase (within a very narrow temperature interval between the alpha and beta phases of quartz) and suggest a second order transition from INC to the beta phase in quartz.Item Calculation of the damping constant and the relaxation time of the LA mode in the incommensurate phase of quartz(2021) Ates, S.; Yurtseven, H.The damping constant (linewidth) of the LA mode is calculated as a function of temperature for the incommensurate (INC) phase of quartz by using the models of the pseudospin-phonon (PS) coupled and the energy fluctuation (EF). For this calculation, the observed linewidth (Gamma(LA)) data are used at P = 0 and 80.5MPa from the literature. Close to the incommensurate phase between the alpha and beta phases of quartz, the observed Gamma(LA) and the frequency shifts (Delta v(LA) ) are also analyzed by the power-law formula for both pressures (P = 0 and 80.5MPa). By using the Gamma(LA) and Delta v(LA), the inverse relaxation time (tau(-1)(LA)) is predicted as a function of temperature (P = 0 and 80.5MPa) in the incommensurate phase of quartz and the values of the activation energy (E-a) are deduced. Our calculated Gamma(LA) from both models (PS and EF) explain adequately the observed behavior of the linewidth of the LA mode in the incommensurate phase of quartz. Also, our predicted tau(-1)(LA) can be compared with the measurements in the INC phase of this molecular crystal.Item Analysis of the IR-Raman Modes and the Heat Capacity Near the alpha-Inc-beta Transitions in Quartz(2021) Yurtseven, H.; Gunay, E.; Karacali, H.; Ates, S.This study gives our analysis for the temperature dependence of the infrared frequency and the integrated intensity of the 695 cm(-1) mode near the alpha-beta transition at 847.5 K and the temperature dependence of the Raman scattering cross section of the 355 cm(-1) mode near the beta-INC (incommensurate) transition which occurs within a small temperature (similar to 1.3 K) interval in relation to the order parameter in quartz. Both analyses are performed according to a power-law formula for the order parameter Q with the critical index beta using the experimental data from the literature. We also analyze the temperature dependence of the heat capacity C p according to the renormalization-group expression including first-order corrections to scaling term close to the alpha-INC-beta transitions in quartz by using the literature data. From our analyses, values of the critical exponent beta for the frequency and the integrated intensity of the 695 cm(-1) infrared mode and for the Raman scattering cross section of the 355 cm(-1) mode as a measure of the order parameter, are extracted. From the analysis of C p , the values of the critical exponent alpha are also extracted. Additionally, by means of scaling relations the critical exponent gamma of the isothermal compressibility kappa T and the renormalized components ( beta R , alpha R and gamma R ) are predicted for the alpha-INC-beta transitions in quartz. Our analyses given here indicate that weakly first-order transition occurs from the alpha phase to the incommensurate (INC) phase, which changes to the nearly second-order transition to the beta phase with increasing temperature in quartz, as also observed experimentally.Item Landau phenomenological model for the alpha-INC (incommensurate)-beta transition in quartz(2021) Yurtseven, Hamit; Ates, SimgeThe temperature dependence of the order parameters eta (alpha-phase) and xi (INC - incommensurate phase) are calculated in the presence of the electric field for the alpha-INC-beta transition in quartz by the Landau mean field theory. Landau phenomenological model with the linear (eta xi) and quadratic (eta(2)xi(2)) coupling is introduced to investigate mainly the nature of the INC phase between alpha (ordered) and beta (disordered) phases in quartz. The temperature dependence of the inverse susceptibilities (chi(-1h)(eta) and chi(-1)(xi)) of the order parameter is also predicted at constant electric fields studied for the alpha-INC-beta transition in quartz. Additionally, the E-T phase diagram for the transitions of the alpha-INC and INC-beta in quartz is constructed from the Landau phenomenological model by using the literature data. Our predictions for the order parameters (eta and xi) and the inverse susceptibilities (chi(-1)(eta) and chi(-1)(xi)) can be compared with the experimental measurements for the alpha-INC-beta transition in quartz.Item Effects Of Subscapularis Muscle Soft Tissue Mobilization On Pain And Functionality In Shoulder Dysfunction(2021) Gulsen, MustafaPurpose: Tightness of the subscapularis muscle causes glenohumeral external rotation limitation and difficulties in over-head activities. This study aimed to determine the effects of soft tissue mobilization applied to the subscapularis muscle on pain and functionality in shoulder dysfunctions. Methods: The 48 patients with shoulder pain and limitation were included in the study. They were randomly divided into conventional physiotherapy program (CPP) group (n=25) and soft tissue mobilization (STM) group (n=23). The first group received CPP and the second group received STM. All patients had treatment at a physiotherapy clinic for 15 sessions. The pain was evaluated using Visual Analogue Scale (VAS), shoulder joint movements were measured using a goniometer and overhead reach test, and functionality was evaluated using the Shoulder Pain and Disability Index (SPADI). The patients were assessed before, immediately after, and three weeks after the treatment. Results: Statistically significant improvements were found in VAS, shoulder flexion and extemal rotation range of motion, and overhead reach test in both groups immediately after treatment and at the end of the 3rd week (p<0.05). When groups were compared after three weeks, statistically significant improvements were found in VAS, external rotation range of motion, and overhead reach test in the STM group (p<0.05). There was a statistically significant improvement in SPADI in both groups after the treatment (p<0.05). There was no significant difference in SPADI score between the groups (p>0.05). Conclusion: The STM was more effective on pain, range of motion, and functionality than CPP. STM of subscapularis muscle might be an alternative treatment of the shoulder dysfunction.Item Landau mean-field model with the cubic term for the alpha-beta transition in quartz(2020) Ates, S.; Yurtseven, H.Thermodynamic quantities are calculated as a function of temperature by using Landau mean-field model for the alpha-beta transition in quartz. By expanding the Gibbs free energy in terms of the order parameter (Q) with the cubic term (Q(3)), the temperature dependence of the relevant thermodynamic quantities are predicted using the heat capacity (C-P), which is fitted to the experimental data from the literature for the alpha-beta transition in quartz. Our results indicate that the Landau mean-field model is adequate to describe the first-order alpha-beta transition in quartz.Item Physical activity level, exercise behavior, barriers, and preferences of patients with breast cancer-related lymphedema(2020) Yildiz Kabak, Vesile; Gursen, Ceren; Aytar, Ayca; Akbayrak, Turkan; Duger, Tulin; 33170403Purpose To identify physical activity level, exercise behavior, barriers, and preferences in female patients with breast cancer-related lymphedema (BCRL). Methods Patients with BCRL consulted to physical therapy to receive lymphedema treatment were included. Age, gender, body mass index matched healthy controls (HC) were included to identify differences. The transtheoretical model was used to determine exercise behavior. Physical activity level was assessed by the International Physical Activity Questionnaire-Short Form (IPAQ-SF). The exercise barriers and preferences of patients with BCRL were recorded using a checklist based on the previous studies. Results A total of 48 female patients with BCRL and 38 female HC participated in the study. Physical activity level was significantly lower in patients with BCRL when compared to HC (p < 0.05). However, the number of participants who engaged in regular exercise was significantly higher in patients with BCRL than HC (33.2% vs 7.9%, p < 0.05). The most common exercise barriers were fatigue (64.5%), having other responsibilities (60.4%), and weather-related factors (56.2%). Majority of the participants preferred to participate in a supervised (79.1%), structured (66.6%), combined-type (77.1%), and moderate intensity (79.1%) exercise program, and they preferred to be informed at the time of the cancer diagnosis (45.8%) by a physiotherapist (66.6%). Moreover, the most preferred exercise type was walking/jogging (66.6%). Conclusion The present study showed inadequate physical activity and exercise behavior in patients with BCRL. Supportive care interventions are needed to overcome barriers for patients with BCRL. Preferences of patients and exercise enjoyment should also be taken into consideration to increase the participation in exercises.