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Murat Tunc¸tu¨rk,Tamer Eryig˘it,Ali Rahmi Kaya 한국응용생명화학회 2017 Applied Biological Chemistry (Appl Biol Chem) Vol.60 No.1
Ten of the most popular and well-known edible plant species from the Lamiaceae which are used in the production of herby cheese were examined to evaluate their nutritional properties, mineral, and heavy metal content. This study has revealed significant variations in the contents of minerals among the studied plant species. The most of plant samples were rich in some of the vital minerals such as Fe, Cu, Ca, K, Mn, and Zn, which are known to be important in health maintenance. Ziziphora capitata plant materials had the highest concentration of toxic heavy metals, including chromium (1.72 mg kg-1), where Mentha longifolia had the highest cobalt (1.14 mg kg-1). The results of this study suggest that the use of these plant species in herby cheese will not contribute to heavy metal toxicity, but may be useful in treating micronutrient deficiency.
Medical Waste Treatment via Waste Electrospinning of PS
Tuğba Isık,Mustafa M. Demir 한국섬유공학회 2018 Fibers and polymers Vol.19 No.4
Body fluid medical wastes are infectious clinical wastes (blood, saliva, urine) due to their high pathogenic content. Incineration is the most commonly used method in waste management that possess high water content along with molecularly dissolved species such as proteins. The process is costly; so that the removal of solid content dissolved in aqueous part by preliminary filtration can reduce the volume of the waste material. In this study, fibrous mats were prepared by electrospinning of PS wastes from DMF and THF solutions. Then they are employed in the removal of protein-based solid contents of body fluid medical wastes before their disposal. Two sources of PS waste (CD cover and Styrofoam) were employed along with virgin PS for comparison. The adsorption capacity of as-prepared electrospun fibers was examined for three model proteins: Bovine Serum Albumin (BSA), Myoglobin (MYO), and Trypsin (TRY). The fibers obtained from PS CD wastes have remarkably larger protein sorption capacities (particularly BSA) than the fibers obtained from virgin PS. XPS reveals the presence of CaCO3 domains in CD covers added into PS during their production steps probably to increase mechanical properties. There may be an electrostatic interaction between Ca2+ and the negatively charged groups of the protein. In this way, PS wastes could be converted to a beneficial secondary product by electrospinning and also resulting materials promises for the disposal of body fluid medical wastes. This may be one of the frontiers study on the removal of medical wastes by adsorbents produced via electrospinning of waste polymers.
A SHARP SCHWARZ LEMMA AT THE BOUNDARY
Tuğba AKYEL,Bülent Nafi ÖRNEK 한국수학교육학회 2015 純粹 및 應用數學 Vol.22 No.3
In this paper, a boundary version of Schwarz lemma is investigated. For the function holomorphic f(z)=a+c_{p}z^{p}+c_{p+1}z^{p+1}+... defined in the unit disc satisfying |f(z)-1|<1, where 0 < a < 2, we estimate a module of angular
Non-linear performance analysis of existing and concentric braced steel structures
R. Tuğrul Erdem 국제구조공학회 2015 Steel and Composite Structures, An International J Vol.19 No.1
Since there are several places located in active seismic zones in the world, serious damages and losses have happened due to major scaled earthquakes. Especially, structures having different irregularities have been severely damaged or collapsed during these seismic events. Behavior of existing structures under several loading conditions is not completely determined due to some uncertainties. This situation reveals the importance of design and analysis of structures under seismic effects. Several non-linear static procedures have been developed in recent years. Determination of the seismic safety of the existing structures and strengthening techniques are significant civil engineering problems Non-linear methods are defined in codes to determine the performance levels of structures more accurately. However, displacement based ones give more realistic results. These methods provide more reliable evaluation possibilities for existing structures with developing computer technology. In this study, non-linear performance analysis of existing and strengthened steel structures by X shaped bracing members with 3, 5 and 7 stories which have soft story irregularity is performed according to FEMA-356 and Turkish Earthquake Code-2007. Damage ratios of the structural members and global performance levels are determined as well as modal properties and story drift ratios after non-linear finite elements analysis for each structure.
Berin Tuğtağ Demir,Simge Eşme,Dilara Patat,Burak Bilecenoğlu 대한해부학회 2023 Anatomy & Cell Biology Vol.56 No.3
This study was conducted to investigate the clinical and anatomical importance of the relevant region from theperspective of surgical approaches by determining the morphometric analysis of the craniocervical junction and foramen magnum (FM) region and determining their distances from important anatomical points. This research was carried out with 59 skulls found at the Anatomy Laboratories of Erciyes and Ankara Medipol University. Metric measurements of FM and condyle, FM shape, condyle-fossa relationship, and pharyngeal tubercle (PT) were made in mm-based dry bone samples of unknown age and sex. The distance between the anterior notches and the FM was 87.01±4.35, the distance between the anterior notches and the PT was 77.70±4.24, the distance between the PT-sphenooccipital junction was 13.23±2.42, and the FM index was 81.86±7.47. The anteroposterior and transverse lengths of FM were determined as 33.80±2.99 and 27.72±2.30, respectively. The morphometric and morphological data available regarding the craniocervical junction showed significant differences between populations. Comprehensive knowledge of this topic will provide a better approach to treat Arnold Chiari Malformation, FM meningiomas, and other posterior cranial fossa lesions. Therefore, we believe that FM and craniocervical junction morphology will be a guide not only for anatomists, but also for radiologists, neurosurgeons, ENT surgeons, and orthopedists.
The Influences of the Sanzijing on Premodern Vietnam’s Literary Sinitic Textbooks
Nguyễn Tuấn Cường,Nguyễn Thị Tú Mai 경성대학교 한국한자연구소 2016 한자연구 Vol.0 No.14
After spreading into Vietnam, the Sanzijing () had a strong influence on the Sino-Nom writings by Vietnamese authors in both of their form and content. On the form, the three-character verse style of the Sanzijing was adopted in many Vietnam’s works. About the content, premodern Vietnamese authors compiled their works by re-using examples of fondness for learning and categories of traditional concepts. In the process of reception of the Sanzijing, these authors also made immitation, adjustment, application, and combination in many aspects of this book, in order to compile primary textbooks for the education of script, language, history, thoughts, culture of Vietnam.