8 research outputs found
Maviküfe dayanıklı Ege bölgesi için geliştirilen bazı tütün hatlarının verim ve kalite özellikleri üzerine araştırmalar
No full textBu tezin, veri tabanı üzerinden yayınlanma izni bulunmamaktadır. Yayınlanma izni olmayan tezlerin basılı kopyalarına Üniversite kütüphaneniz aracılığıyla (TÜBESS üzerinden) erişebilirsiniz.ÖZET.Ege Bölgesi için geliştirilen maviküfe dayanıklı ileri hatlarda çeşitli karakteristikler yönünden yapılan analizler sonucu, bu tütünlerin ana karakterlerini belirlemek ve yörelerine uygunluklarını araştırmak bu çalışmanın amacını oluşturmuştur. Anter kültüründen yararlanılarak geliştirilen 33 ileri hat ile diallel analiz yöntemi kullanılarak seçilen 10 ileri hat ve standart olarak alınan 6265, 101/215, 317/5, Ege 64 çeşitleri olmak üze re toplam 47 tütün çeşit ve hatları 1986 ve 1987 yıllarında Menemen ve Helvacıköy yörelerinde denemeye alınmıştır. Çiçeklenme süresi, bitki boyu, yaprak sayısı, yaprak boyutları, kuru yaprak verimi, yaprak ekspertizi, taplam ve indirgen şeker, toplam azot, protein azotu çözünür azot, toplam alkaloid, petrol eteri ekstraktı, pH, rutubet, ham kül, asitte erimeyen kül, sodyum, potasyum, kalsiyum, magnezyum ve klor analizleri yapılarak hatlara ait veriler standart ortalamaları ile karşılaştırılmıştır. İncelenen özellikler bakımından hatların önemli bir kısmının standartların' ortalamasını geçtiği belirlenmiştir. Bazı tütün çeşit ve hatlarının, morfolojik, tarımsal ve kalite özellikleri yönünden yöre ve yıllara göre farklı değerler verdikleri görülmüştür. Buna. bağlı olarak besin maddelerince zengin ve ta ban karakterde olan Menemen toprağına göre, kır karakter gösteren ve tipik tütün toprağı özelliğine sahip Helvacıköy yöresinde yetiştirilen tütün çeşit ve hatları daha kaliteli bulunmuştur. Amerikan Grad sistemi üzerinden yapılan fiziksel ekspertiz sonuçlarına göre; Menemen yöresine ait tütünler Kapa kalitede bulun muştur. Helvacıköy yöresinde 1986 yılında 25, 1987 yılında 19 çeşit ve hat, AG değeri aldığından bu yöre tütünlerinde ekonomik analiz yapılmıştır. Denemenin yürütüldüğü 1987 fiatları üzerinden tütünlerin brüt üretim değerleri ile ağırlıklı ortalama fiatları saptanarak 6/1-A, 38/2, 6/2, 38/1,137,171, 191, 65,52 nolu hatların ön sıralar da yer aldıkları belirlenmiştir.önemli tarımsal ve kalite özellikleri bakımından incelenen tütün çeşit ve hatlarının olumlu ve olumsuz yönlerini ortaya koymak amacıyla yetiştirildikleri yöre ve yıllardaki performansları dikkate alınarak kalite değerlendirmesi yapılmıştır. Yapılan kalite değerlendirmesinde tütün hatlarının IV ayrı kalite grubunu oluşturdukları ve birinci kalite grubunda 204, ikinci kalite grubunda 183, üçüncü kalite grubunda 137, 156, 159, 169, 171, 6/1-A, dördüncü kalite grubunda 52, 65, 132, 160, 161, 176, 6/2,16/1, 32/1, 38/3- nolu hatların yer aldıkları belirlenmiştir- 88 - SUMMAHX The objective of the study was to define the main characters obtained by the results of various analysis on the blue mould resist ant tobacco lines selected by different breeding methods for Aegean Region, and their adaptation suitability
Y-to-V Setback for Prominent Lobule Correction in Otoplasty
No full textProminent ears may be very distressing for the patient and they need to be corrected. The situation is especially important for school children or the teenagers as it may cause peer criticism and psychological issues. Various techniques have been suggested, and it is possible to obtain a successful result with one of these techniques chosen according to the patient's specific needs and the surgeon's preference. However, there are not many publications regarding the finer details of this operation such as the correction of the prominent lobule. There are few techniques available with limited success. In this study, we humbly present our Y-to-V setback technique for correction of the prominent lobule, as an individual operation or as an adjunct to a successful otoplasty. A total of 22 cases in which prominent lobule correction had to be performed during otoplasty were included in our study. Mean age of the patients was 21.3 years. Of the 22 patients, 14 were female and 8 were male. All cases underwent bilateral lobule transposition together with bilateral otoplasty. All cases have been followed up for at least 12 months. Mean follow-up was 20 months. The lobule incisions were inconspicuous, and they were well hidden in the postauricular sulcus. Hypertrophic scars or keloid were not seen in any cases. No relapse of lobule prominence was seen during the follow-up period. All patients were satisfied with their results. One of the reasons the ears may look unnatural or "operated" after an otoplasty is the disharmony of the lobule with the corrected parts. Even normal lobules may become relatively prominent after medialization of the helix. It is suggested that the use of a "v"-shaped advancement flap elevated from the posterior surface of the lobule may be a very useful technique to set the lobule back to the desired extent
Comparative analysis of human UCB and adipose tissue derived mesenchymal stem cells for their differentiation potential into brown and white adipocytes
No full textThe differentiation potential of umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) into brown and white adipocytes in comparison to Adipose tissue derived MSCs (AD-MSCs) were investigated in order to characterize their potency for future cell therapies. MSCs were isolated from ten UCB samples and six liposuction materials. MSCs were differentiated into white and brown adipocytes after characterization by flow cytometry. Differentiated adipocytes were stained with Oil Red O and hematoxylin/eosin. The UCP1 protein levels in brown adipocytes were investigated by immunofluoresence and western blot analysis. Cells that expressed mesenchymal stem cells markers (CD34-, CD45-, CD90+ and CD105+) were successfully isolated from UCB and adipose tissue. Oil Red O staining demonstrated that white and brown adipocytes obtained from AD-MSCs showed 85 and 61% of red pixels, while it was 3 and 1.9%, respectively for white and brown adipocytes obtained from UCB-MSCs. Fluorescence microscopy analysis showed strong uncoupling protein 1 (UCP1) signaling in brown adipocytes, especially which were obtained from AD-MSCs. Quantification of UCP1 protein amount showed 4- and 10.64-fold increase in UCP1 contents of brown adipocytes derived from UCB-MSCs and AD-MSCs, respectively in comparison to undifferentiated MSCs (P < 0.004). UCB-MSCs showed only a little differentiation tendency into adipocytes means it is not an appropriate stem cell type to be differentiated into these cell types. In contrast, high differentiation efficiency of AD-MSCs into brown and white adipocytes make it appropriate stem cell type to use in future regenerative medicine of soft tissue disorders or fighting with obesity and its related disorders.Ege University Scientific Research Projects (APAK)Ege University [2015/SBE/002, 2015/TIP/064]We thank to the Ege University Scientific Research Projects (APAK) for financial support (Grant Numbers 2015/SBE/002 and 2015/TIP/064)
Development of an Algorithm to Determine Which Costal Cartilage to Harvest
No full textRib graft is a common source of cartilage in rhinoplasty. Donor site choices for this resource were identified according to the authors who presented the introduction of this technique. However, the scientific basis of this valuable method lacks information, including the anatomical properties of costal cartilage. In this study, cartilage radioanatomy is examined and tested for if any estimators are present. A total of 148 thoracal CT scans of patients who applied to our facility were analyzed. Patients were divided per their sex and age of 35, and rib cartilage dimensions, including axial length between the sternal and costal ends of the cartilage (TotL), posteroanterior diameters at the sternal end (StDia), costal end (CosDia), the thickest part (MaxDia) as diametrical parameters and vertical height at the thickest part (h) were recorded. Length of the sternum (St), the axial length of the clavicle (ClavL), the distance of the sixth rib from the anterior axillary border (AntAx), and thorax circumferences at the level of both pectoralis major muscle origin (ThC) and nipples (BrC) were recorded. Statistical analyses were done for correlations. St, ClavL, ThC, and BrC were found to have the most correlated measurements in groups with the age of 35 and less of both genders, and the relations were lost in older groups. Thorax shape may change after the age of 35 years, but in younger patients, St in females and ClavL in males can be used as estimators of cartilage amount
Comparison of skin effects of immediate treatment modalities in experimentally induced hydrofluoric acid skin burns
No full textHydrofluoric acid (HF) burns cause immediate damage and painful long-term sequellae. Traditionally, chelating agents have been used as the initial treatment for such burns. We have introduced epidermal growth factor (EGF) into an HF model to compare EGF with Ca2+ and Mg2+ treatments; 40 Sprague Dawley rats were divided into five groups. Each rat suffered a 6 x 4 cm(2) burn induced by 40% HF. Group 1 had no treatment, group 2 had saline injected beneath the burn, group 3 received magnesium sulphate injections, group 4 received calcium gluconate and group 5 received EGF. Specimens were evaluated via planimetry and biopsy at intervals of 4, 8, 24 and 72 hours. Fluid losses were significantly less in the Mg2+ and EGF groups. The EGF group had the smallest burn area, least oedema, least polymorphonuclear granulocyte (PMN) infiltration, most angiogenesis and highest fibroblast proliferation of any group (P < 0.005). EGF limited HF damage morphologically and histologically more effectively than Ca2+ or Mg2+. This finding indicates that HF treatment via growth factors may be an improvement over chelation therapy
Protective effect of grape seed extract against ischaemia/reperfusion injury in a rat epigastric flap model
No full textProanthocyanidins are potent natural antioxidants which belong to a class of polyphenols. Proanthocyanidin-rich extracts are prepared from grape seeds. The effect of grape seed proanthocyanidin extract (GSPE) on the viability of abdominal skin flaps exposed to warm ischaemia and subsequent reperfusion were studied in 40 male Wistar rats. In the control group (group I; n=20), rats were fed with standard, non-purified rat diet, and the study group received GSPE 100 mg kg(-1) per day 1 week prior to surgery and 1 week following surgery. Abdominal island flaps were elevated in both the groups and subjected to 8 h of warm ischaemia, followed by reperfusion. Mean flap survival areas in groups I (control group) and II (treatment group) were calculated to be 58.3% +/- 11.72 and 81.0% +/- 11.88, respectively. Flap survival on day 7 was significantly higher in group II compared to group I (p < 0.01). Histopathological semi-quantitative analysis of the specimens revealed infiltration by polymorphonuclear leucocytes, oedema formation and necrosis in group I, whereas neo-vascularisation and fibrosis were the prominent findings in group II. (C) 2009 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Ltd. All rights reserved
Implants for reconstructive surgery of the nose and ears
No full textImplants shorten reconstruction, reduce trauma for the patients, are, in principle, of unlimited availability and can be given definable qualities that outnumber those of biological transplants. Lots of sometimes exotic materials have already been suggested for facial surgery and most of them have turned out to be unsuitable in the short or long term, because they did not satisfactorily fulfil the requirements of a "perfect implant". However, transplants obviously cannot be regarded as ideal either because they often involve the necessity of a second intervention for removal, they are only available to a limited extent and some are at risk of postoperative deflection, shrinkage and absorption. This article is concerned with current knowledge about implant materials for rhinoplasty and ear reconstruction. Autogenous transplants will also be briefly discussed. The repetition of known facts should be largely avoided. In relation to this reference will be made to earlier papers
