First-principles calculations to investigate the structural, electronic, elastic, vibrational and thermodynamic properties of the full-Heusler alloys X2ScGa (X = Ir and Rh)

This study has investigated ab initio pseudopotential calculations on the structural, electronic, elastic, vibrational and thermodynamic properties of the full-Heusler X2ScGa (X = Ir and Rh) alloys. The calculations have taken place under consideration of the generalized gradient approximation (GGA) of the density functional theory (DFT) with using the plane-wave ab initio pseudopotential method. According to the calculations, the major contribution to electronic states at the Fermi energy has been achieved by d orbitals, revealing a more active role for transition metals Ir (Rh) and Sc atoms. The reckonings point out that the Ir2ScGa and Rh2ScGa have metallic behavior at the equilibrium lattice constant with the density of states (DOS) at the Fermi level (N (EF)) of 1.412 states/eV and 1.821 states/eV, respectively. The results of the elastic constants showed that these compounds met the criteria for Born mechanical stability. It was also observed that they have a ductile structure and exhibit anisotropic behavior according to Pugh criteria. Besides, the full phonon spectra and their projected partial density of states of the alloys have been analyzed with the first-principle linear-response approach of the density-functional perturbation theory. All the alloys behaved dynamically stable in the L21 phase. Furthermore, internal free energy, entropy, specific heat capacity at constant volume and vibrational free energy changes of Ir2ScGa and Rh2ScGa alloys were analyzed and discussed between the temperature range of 0–800 K using the quasi harmonic approximation. According to the results, these alloys are potential candidate for industrial use. © 2020 Elsevier Lt

Novel Complex Wave Solutions of the (2+1)-Dimensional Hyperbolic Nonlinear Schrödinger Equation

This manuscript focuses on the application of the (m + 1/G’)-expansion method to the (2+1)-dimensional hyperbolic nonlinear Schrödinger equation. With the help of projected method, the periodic and singular complex wave solutions to the considered model are derived. Various figures such as 3D and 2D surfaces with the selecting the suitable of parameter values are plotted. © 2020 by the authors

Soliton theory and modulation instability analysis: The Ivancevic option pricing model in economy

In this projected paper, we study on the Ivancevic option pricing model. We apply two important methods, namely, rational sine-Gordon expansion method which is recently developed, and secondly, modified exponential method. Via these methods, we obtain some important properties of Ivancevic option pricing model. We extract many solutions such as complex, periodic, dark bright, mixed dark-bright, singular, travelling and hyperbolic functions. We investigate the option price wave functions of dependent variable, and also, observe the modulation instability analysis in detail. Furthermore, we report the strain conditions for the valid solutions under the family conditions, as well. We simulate the 2D, 3D and counter plots by choosing the suitable values of the parameters involved. Finally, we present the top and low points of pricing in the mentioned intervals via contour simulations. (C) 2022 THE AUTHORS. Published by Elsevier BV on behalf of Faculty of Engineering, Alexandria University

Extractions of some new travelling wave solutions to the conformable Date-Jimbo-Kashiwara-Miwa equation

In this paper, complex and combined dark-bright characteristic properties of nonlinear Date-Jimbo-Kashiwara-Miwa equation with conformable are extracted by using two powerful analytical approaches. Many graphical representations such as 2D, 3D and contour are also reported. Finally, general conclusions of about the novel findings are introduced at the end of this manuscript

Analysis of nonlinear compartmental model using a reliable method

The goal of this work is to investigate nonlinear models and their complexity using techniques that are universal and have connections to historical and material aspects. Using the premise of a constant population that is uniformly mixed, a nonlinear compartmental model that depicts the movement between voter classes is taken into consideration. In the current work, we investigate the dynamical framework that supports the interactions between the three parties. It is discussed how rate change affects various metrics. The conditions for boundedness, stability, existence, and other dynamics are obtained. We derive the effects of generalizing the model in any order. The current study supports investigations into complex real-world issues and forecasts of necessary plans. © 2023 The Author(s

Evaluating sea cucumbers as extractive species for benthic bioremediation in mussel farms

Filter-feeding mussels blend suspended particles into faeces and pseudo-faeces enhancing organic matter flows between the water column and the bottom, and strengthening benthic-pelagic coupling. Inside operating farms, high bivalve densities in relatively confined areas result in an elevated rate of organic sinking to the seabed, which may cause a localized impact in the immediate surrounding. Deposit-feeding sea cucumbers are potentially optimal candidates to bioremediate mussel organic waste, due to their ability to process organic-enriched sediments impacted by aquaculture waste. However, although the feasibility of this polyculture has been investigated for a few Indo-Pacific species, little is known about Atlanto-Mediterranean species. Hence, for the first time, in the present study, we conducted a comparative investigation on the suitability of different Mediterranean sea cucumber species, to be reared in Integrated Multitrophic Aquaculture (IMTA) with mussels. A pilotscale experiment was accomplished operating within a mussel farm where two sea cucumbers species, Holothuria tubulosa and Holothuria polii, were caged beneath the long-line mussel farm of Mytilus galloprovincialis. After four months, H. tubulosa showed high survivorship (94%) and positive somatic growth (6.07%); conversely H. polii showed negative growth (− 25.37%), although 92% of specimens survived. Furthermore, sea cucumber growth was size-dependent. In fact, smaller individuals, independently from the species, grew significantly faster than larger ones. These results evidenced a clear difference in the suitability of the two sea cucumber species for IMTA with M. galloprovincialis, probably due to their different trophic ecology (feeding specialization on different microhabitats, i.e. different sediment layers). Specifically, H. tubulosa seems to be an optimal candidate as extractive species both for polycultures production and waste bioremediation in M. galloprovincialis operating farms

Endometrium Kanserli Hastalarda Preoperatif Tam Kan Sayımının Prognostik Parametreler ve Sağkalımla İlişkisi

Amaç: Çalışmamızda endometriyum adenokarsinomu tanılı hastalarda preoperatif tam kan sayımı parametrelerinin çeşitli klinikopatolojik prognostik parametrelerle ve sağkalım ile ilişkisi olup olmadığını değerlendirmeyi amaçladık.Gereç ve Yöntem: Ocak 2011-Aralık 2014 tarihleri arasında fakültemizde opere edilen ve endometrial adenokarsinom tanısı alan 144 hasta çalışmaya dahil edilmiştir. Hemogram parametrelerinden absolü beyaz küre sayısı BK , absolü platelet sayısı Plt hematokrit Hct , hemoglobin Hb değerleri yanı sıra absolü nötrofil sayısının absolü lenfosit sayısına bölümü olan NLR, absolü platelet sayısının absolü lenfosit sayısına bölümü olan PLR ve absolü monosit sayısının absolü lenfosit sayısına bölümü olan MLR oranlarının; tümör çapı, tümör derecesi, FIGO evresi, serviks invazyonu, pozitif lenf nodu sayısı, lenf nodunda ekstrakapsüler yayılım, lenfovasküler invazyon LVİ , myometrial invazyon derinliği gibi prognostik parametreler ve hastalıksız ve genel sağkalım süreleri ile olan ilişkisi istatistiksel metodlarla araştırılmıştır.Bulgular: Derece 3 tümöre sahip hastalarda BK sayısının derece 1 tümörlü hastalara göre anlamlı derecede düşük olduğu görüldü p=0.04 . LVİ olan olgularda PLR p=0.018 ve MLR p=0.028 LVİ olmayan hastalara göre daha düşük idi. Düşük evre olgularda evre I-II PLR, yüksek evreli olgulara göre evre II-III daha düşük tespit edildi p=0.03 . Tedavi öncesi bakılan tam kan parametreleri ile tümör çapı, serviks invazyonu, pozitif lenf nodu sayısı, lenf nodunda ekstrakapsüler yayılım, myometrial invazyon derinliği, hastalıksız sağkalım ve genel sağkalım arasında anlamlı bir ilişki saptanmadı p>0.05 .Sonuç: Endometriyum kanserinde tedavi öncesi tam kan sayımı parametrelerinin bir arada kullanılması, hastalığın prognozu ile ilgili fikir verebilir. Çalışmamızın sonuçlarının daha uzun takip süresine ve daha geniş olgu sayısına sahip çalışmalarla desteklenmesi gereklidi

Retrospective comparison of translaminar pressure difference, lamina cribrosa location, thickness and OCT angiographic vascular density findings in healthy and diabetic subjects

Çalışmamızın amacı, sağlıklı ve diabetik bireylerde ki translaminer basınç farkı, lamina kribroza yerleşim yeri ve kalınlığı bulgularının karşılaştırılması ve diabetus mellitusun bu parametreler üzerine etkisini araştırmak. Uludağ Üniversitesi Tıp Fakültesi Göz Hastalıkları Anabilim Dalı Polikliniği'nde izlenen diabetik ve diabetik olmayan 140 olgunun göz muayene ve optik koherens tomografi (OKT) sonuçlarının bulunduğu hasta dosyaları retrospektif olarak analiz edildi. Hastaların 71'i kadın, 69'u erkekti. Hastaların 79'u diabetik, 61'i non-diabetik grupta iki başlık altında değerlendrildi. Tüm olguların görme keskinliği, Goldmann aplanasyon tonometresi kullanılarak göz içi basıncı ölçümleri, biomikroskopi ve göz dibi incelemesi, pakimetri, aksiyel uzunluk, OKT ve OKT angio tetkikleri değerlendirildi. Yapılan OKT ölçümlerinden değerlendirilen lamina kribroza kurvatur indexi diabetiklerde 13,717 (5,74-33,91) ve non-diabetikler de 13,118 (5,53-27,05) benzerdi (p=0,181). Lamina kribroza derinliği diabetiklerde 308 (122-622) µm, non-diabetiklerde 354 (158-677) µm idi. Lamina kribroza kalınlığı diabetiklerde 317,43±43,169 µm, non-diabetiklerde 339,43±37,688 µm idi ve her iki parametre de anlamlı farklı bulundu (her ikisi için de p<0,001). Lamina kribroza kalınlık ve derinlik parametleri koroidal kalınlığı da içerdiği için, bu farkın diabetus mellitus'un koroidal tabaka üzerinde yaptığı değişikliklere bağlı olabileceği düşünüldü. Yapılan değerlendirmeler sonucunda lamina kribrozanın morfolojik yapısı nedeniyle lamina kribroza kurvatur indeksinin, lamina kribrosa derinliğinden daha değerli bir parametre olabileceği düşünüldü. OKT anjiografi görüntülerinin değerlendirilmesi ile diabetik grubun ortalama vasküler yoğunluk gradiyenti 123,82(43,78-188,88), non-diabetik grubun 163,20 (104,87-206,98) bulundu. İki grup anlamlı farklı bulundu (p<0,001). OKT anjiografi, pratik ve non-invaziv işlem olması nedeni ile gelecekte bir çok retina ve koroidi etkileyebilecek hastalıkların erken tanı, takip ve prognozunda belirleyici olabileceği düşünüldü.The aim of our study is to investigate the effect of translaminar pressure difference, location and thickness of lamina cribrosa in healthy and diabetic subjects and the effect of diabetic mellitus on these parameters. Patients with ophthalmic examination and optical coherence tomography (OCT) results of 140 diabetic and non-diabetic patients who were followed up at Uludag University School of Medicine Department of Ophthalmology were retrospectively analyzed. Seventy one of the patients were female, 69 were male. Seventy-nine of the patients were diabetic, and 61 were in the non-diabetic group. All cases were evaluated for visual acuity, intraocular pressure measurements using Goldmann applanation tonometry, biomicroscopy and ocular examination, pachymetry, axial length, OCT and OCT angio examinations. The lamina cribrosa curvature index assessed by OCT measurements was 13,717 (5,74-33,91) in diabetics and 13,118 (5,53-27,05) in non-diabetics (p = 0,181). The depth of lamina cribrosa was 308 (122-622) µm in diabetics and 354 (158-677) µm in non-diabetics. The thickness of the lamina cribrosa was 317,43 ± 43,169 µm in diabetics and 339,43 ± 37,688 µm in non-diabetics and both parameters were significantly different (p <0.001 for both). Since lamina cribrosa thickness and depth measurements inclues choroidal thickness we believe that the difference is due to the effects of diabetes on the choroid. Because of the morphological structure of the lamina cribrosa as a result of the evaluations made, it is thought that the lamina cribrosa curvatur index may be a more valuable parameter than the depth of lamina cribrosa. Assessment of OCT angiography revealed that the mean vascular density gradient in the diabetic group was 123.82 (43.78-188.88), and the non-diabetic group was 163.20 (104.87-206.98). The two groups were significantly different (p <0.001). It is thought that OCT angiography is a practical and non-invasive procedure and may be a determinant in early diagnosis, follow-up and prognosis of diseases that may affect many retina and choroid in the future