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Recent Submissions
Determination of suitable beekeeping places by weighted overlay analysis: A case study of Bolu, Türkiye
(Bursa Uludağ Üniversitesi, 2023-10-20) Yaman, Şule; Yaman, Mustafa
Beekeeping is one of the main livelihoods of our country, and our country's rich geography, different climate and topography are quite suitable for beekeeping. The increase in interest in beekeeping activities has led to more income with less maintenance and expense compared to other agricultural activities. The increasing interest has also revealed the necessity of determining suitable places for beekeeping to increase beekeeping activities' efficiency. For this purpose, weighted overlay analysis, which is one of the Geographical Information Systems (GIS) techniques, was carried out using ArcGIS 10.7.1 in this study for the province of Bolu. Slope, aspect, elevation, precipitation, vegetation and distance to roads, streams and settlements were used for analysis. As a result of the analyzes made, it was determined that 90.95% of Bolu province is suitable for beekeeping activities. In addition, it has been determined whether the existing beekeeping locations are suitable for beekeeping.
Propolis ve arı sütü içeren cilt kremi: Antioksidan, anti-hyalüronidaz ve antimikrobiyal aktivitelerin değerlendirmesi
(Bursa Uludağ Üniversitesi, 2023-10-24) Boyracı, Gülsüm Merve; Değirmenci , Atiye; Yıldız, Oktay; Çelebi , Zeynep Berin
Propolis ve arı sütü eski çağlardan beri geleneksel ve modern tıpta çeşitli biyolojik aktivitelerinden dolayı kullanılmıştır. Günümüzde yapılan son çalışmalar bu ürünlerin cilt tedavisi ve bakımı alanındaki potansiyel uygulamalarını ortaya koymuştur. Bu çalışmanın amacı, cilt kremi üretiminde propolis ve arı sütünün potansiyel kullanımını incelemek ve arı ürünleriyle zenginleştirilmiş cilt kremi formülasyonunun anti-hiyalüronidaz, antioksidan ve antimikrobiyal aktivitesini değerlendirmektir. Ayrıca kremlerin farklı depolama sıcaklığı ve süresindeki fiziksel stabilitesi de incelenmiştir. Krem formülasyonunda arı sütü oranı (%0,5) sabit tutulurken propolis özütü %0,5-1,0-1,5 oranlarında kullanılmıştır. Çalışmada üretilen kremlerin pH değerleri 5,56 ile 6,02 aralığında değişmekte olup cilt pH değerine uygun bulunmuştur. Krem formülasyonunda propolis oranı arttıkça antioksidan aktivite değerlerinin istatistiksel olarak arttığı görülmüştür (p≤0,05). Krem örneklerinin anti-hiyalüronidaz aktivite analizi sonucu IC50 değerleri 0,1667-3,3460 g/mL krem olarak belirlenmiş ve en yüksek aktivite %1,5 propolis özütü ilaveli örnekte bulunmuştur. Propolis ve arı sütü ilaveli krem örneklerinin tamamı Bacillus cereus, Escherichia coli, Staphylococcus aureus, Staphylococcus epidermidis ve Candida albicans mikroorganizmalarına karşı inhibisyon göstermiştir. Hızlandırılmış stabilite testleri krem formülasyonun tüm stres koşullarına karşı dikkate değer bir stabiliteye sahip olduğunu göstermiştir. Bu çalışma kozmetik sektöründe doğal, sürdürülebilir ve güvenli cilt bakım ürünleri üretebilmek için krem formülasyonuna arı ürünlerini entegre etmenin uygulanabilirliğine dair kanıt sağlamaktadır.
parasitisation potential of egg and larval parasitoids against lesser wax moth Achroia grisella F. (Lepidoptera: Pyralidae) under stored condition
(Bursa Uludağ Üniversitesi, 2023-09-30) Sabatına, Paulraj; Umapathy , Govindasamy; Saravanan, Pernamallur Ayyaswami
The study conducted to evaluate the parasitisation potential of egg (Trichogramma chilonis Ishii) and larval parasitoids (Bracon brevicornis Wesmael and Apanteles galleriae Wilkinson) on the developmental stages of lesser wax moth, Achroia grisella F. The results indicated that a maximum parasitisation of 46.67% was noticed on egg masses released with seven pairs of T. chilonis, with an overall mean of 28.89 % and also the adult emergence was recorded about 59.49 %. Among the two larval parasitoids taken, the per cent parasitisation of lesser wax moth larvae by A. galleriae was maximum (38.68% overall mean) than by B. brevicornis (33.14%) with a mean adult emergence of 71.16% and 64.78% respectively.
Determining the quality of honey in the region of Kosova with physiochemical analysis
(Bursa Uludağ Üniversitesi, 2023-10-24) Durmishi, Berat; Knights, Vesna; Mehmeti, Ibrahim; Stamatovska, Viktorija; Nuha, Demokrat; Rizani, Smajl; Bytyçi, Pajtim; Haziri , Veton; Sadiku, Valon
This article examines the physicochemical and nutritional characteristics of honey produced in different regions of Kosovo. The aim of this study is to investigate the physicochemical properties and nutritional characteristics of honey from various regions in Kosovo, shedding light on the factors influencing its composition and quality. It also underscores the importance of local beekeepers in sustaining honey production and environmental preservation. A total of 26 samples were gathered from various locations, and beekeepers were interviewed about their honey-production techniques and bee-feeding practices. The samples underwent analysis to determine parameters such as moisture content, total solids, pH, acidity, ash content, proteins, electrical conductivity, and dissolved solids content %. Notably, the physicochemical properties of honey differed significantly across the regions. Moisture content ranged from 15.02% to 18.80%, with the lowest found in Ferizaji and the highest in Sharri. Dissolved solids content % concentration at 20°C varied from 79.50% to 82.60%, with Sharri exhibiting the lowest and Prishtina displaying the highest value. The acidity and pH levels of all honey samples were measured between 4.97 and 5.63, and 3.56 to 5.60, respectively. Additionally, the Pfund scale was employed to evaluate the color of the honey, indicating white hues for Sharri, extremely light white or white for Prishtina and Ferizaj, and exceptionally white for Skenderaj. This study concludes that geographical location, feeding systems, nectar sources, honey age, and beekeeper processing methods significantly impact the physicochemical and nutritional properties of honey, including its color.
Trends and future directions of risk management approaches applied in modular construction projects: Systematic review and meta-analysis
(Bursa Uludağ Üniversitesi, 2024-02-13) Khodabocus, Sabah; Seyis, Senem
In modular construction, given the different undertakings compared to conventional construction, the latter deems less risky. However, the current industry is faced with malpractices which are loopholes disabling full capacity performance. There is a noticeable lack of studies specifically analyzing the risk management approaches. This study aims to vigorously analyze all risk management approaches applied in previous projects by compiling qualitative and quantitative content for the eased risk assessment of modular projects. By performing a systematic literature review and meta-analysis, 175 documents were finalized and manually analyzed. Synthesis of the literature was carried out to generate graphs, illustrations, and tabularized content, followed by critical explanation for relevant risk management approaches identified according to risk category and project criteria. Risk management approaches for modular construction were showcased in terms of yearly trends, geographic involvement, keywords mostly encountered, and universities and institutions involvement. Classified risk management approaches were tabularized alongside a research domain targeting technical risk management approaches. Future work scopes were suggested with percentage initiations from analyzed studies. This study is a fundamental steppingstone in broadening knowledge on risk management approaches of modular construction and will aid both academicians and practitioners to get direct insights on current trends with project-oriented results showcased.