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Article ; Online: The First Free Verse Experiences in Modern Arabic Literature

Zafer CEYLAN

Ankara Üniversitesi Dil ve Tarih-Coğrafya Fakültesi Dergisi, Vol 55, Iss

2017 Volume 1

Abstract: The usage of the term “free verse” is perhaps the most controversial issue after Jahiliyyah’s poetry in the history of Arabic poetry. The primary discussion topics in this art revolve around who used the first free verse in his/her poetry, the ideal ... ...

Abstract	The usage of the term “free verse” is perhaps the most controversial issue after Jahiliyyah’s poetry in the history of Arabic poetry. The primary discussion topics in this art revolve around who used the first free verse in his/her poetry, the ideal sample was given by whom and what should we call this form. First, the blank verse and the prose poetry, which are the pioneering literary studies to prepare using free verse, are given in terms of creating a basic in understanding of modern Arabic poetry in this article, with the leaders’ names who revealed significant studies in their field. And then, Ahmed Zaki Abu Shadi, Ali Ahmad Bakathir, Louis Awad who can be qualified as important milestones in the transition to the free verse were examined under separate headings. Then, Bedr Şâkir es-Seyyâb and Nâzik elMelâ’ike who revealed the most significant studies in their field and their poems that are alleged as “the first free verse” were investigated. Finally, the debates on the issues regarding the studies in this field with respect to the desire to be the pioneers and their efforts to give a name to the works are mentioned.
Keywords	Arap Edebiyatı ; Serbest Şiir ; Aḥmed Zekî Ebû Şâdî ; Alî Aḥmed Bâkesîr ; Luvîs ‘Avvaḍ ; Bedr Şâkir es-Seyyâb ; Nâzik el-Melâ’ike ; History of scholarship and learning. The humanities ; AZ20-999 ; Social Sciences ; H ; Social sciences (General) ; H1-99
Subject code	820
Language	German
Publishing date	2017-01-01T00:00:00Z
Publisher	Ankara University
Document type	Article ; Online
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Article ; Online: Perylene Diimide-Based Dimeric Electron Acceptors with Molecular Conformations for Perovskite Solar Cells.

Saltan, Gözde Murat / Yeşil, Tamer / Ötken, Aysun Albayrak / Zafer, Ceylan / Dinçalp, Haluk

ChemPlusChem

2024 , Page(s) e202400131

Abstract: This paper reports five novel PDI dimer type electron transport materials (ETMs) employing o-indoloquinoxaline (o-Iq), m-indoloquinoxaline (m-Iq), and cibalackrot (Ci) groups as the core building blocks and presents the twisted structures of PDI dimers ... ...

Abstract	This paper reports five novel PDI dimer type electron transport materials (ETMs) employing o-indoloquinoxaline (o-Iq), m-indoloquinoxaline (m-Iq), and cibalackrot (Ci) groups as the core building blocks and presents the twisted structures of PDI dimers coded as PDI-NHR-o-Iq, PDI-o-Iq, PDI-NHR-m-Iq, PDI-m-Iq and PDI-NHR-Ci dyes (see Scheme 1 and 2). We have systematically compared their photophysical, electrochemical, and optoelectronic properties with respect to the reference dye (2PDI-NHR), which is directly connected of two PDI planes. Their calculated HOMO-LUMO energy levels are sufficient for charge transfer to the perovskite material so that structure-photovoltaic performance relationship of synthesized ETM dyes can be evaluated. When the binding position of indoloquinoxaline group between PDI rings are changed from o- to m- positions, most of the photophysical and electrochemical properties of PDI dimer are dramatically changed, finally improving the photovoltaic performances.
Language	English
Publishing date	2024-03-25
Publishing country	Germany
Document type	Journal Article
ISSN	2192-6506
ISSN (online)	2192-6506
DOI	10.1002/cplu.202400131
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Article ; Online: Simultaneous Optimization of Charge Transport Properties in a Triple-Cation Perovskite Layer and Triple-Cation Perovskite/Spiro-OMeTAD Interface by Dual Passivation.

Mutlu, Adem / Yeşil, Tamer / Kıymaz, Deniz / Zafer, Ceylan

ACS omega

2022 Volume 7, Issue 21, Page(s) 17907–17920

Abstract: Molecular engineering of additives is a highly effective method to increase the efficiency of perovskite solar cells by reducing trap states and charge carrier barriers in bulk and on the thin film surface. In particular, the elimination of ... ...

Abstract	Molecular engineering of additives is a highly effective method to increase the efficiency of perovskite solar cells by reducing trap states and charge carrier barriers in bulk and on the thin film surface. In particular, the elimination of undercoordinated lead species that act as the nonradiative charge recombination center or contain defects that may limit interfacial charge transfer is critical for producing a highly efficient triple-cation perovskite solar cell. Here, 2-iodoacetamide (2I-Ac), 2-bromoacetamide (2Br-Ac), and 2-chloroacetamide (2Cl-Ac) molecules, which can be coordinated with lead, have been used by adding them into a chlorobenzene antisolvent to eliminate the defects encountered in the triple-cation perovskite thin film. The passivation process has been carried out with the coordination between the oxygen anion (-) and the lead (+2) cation on the enolate molecule, which is in the resonance structure of the molecules. The Spiro-OMeTAD/triple-cation perovskite interface has been improved by surface passivation by releasing HX (X = I, Br) as a byproduct because of the separation of alpha hydrogen on the molecule. As a result, a solar cell with a negligible hysteresis operating at 19.5% efficiency has been produced by using the 2Br-Ac molecule, compared to the 17.6% efficiency of the reference cell.
Language	English
Publishing date	2022-05-17
Publishing country	United States
Document type	Journal Article
ISSN	2470-1343
ISSN (online)	2470-1343
DOI	10.1021/acsomega.2c01195
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Article ; Online: Farklı Çözündürme Yöntemlerinin Dondurulmuş Midye ve Karides Etlerinin Kalite Parametreleri Üzerindeki Etkisi

Zafer Ceylan / Kubra Unal

Turkish Journal of Agriculture: Food Science and Technology, Vol 7, Iss 6, Pp 927-

2019 Volume 933

Abstract: Bu çalışmada, farklı çözündürme yöntemlerinin, dondurulmuş midye ve karides örneklerinin mikrobiyal, fiziksel ve duyusal kalitesi üzerine etkileri araştırılmıştır. Çözündürme işlemi, buzdolabında (B4: 4±1ºC), oda sıcaklığında (O22: 22±1ºC), ılık suda ( ... ...

Abstract	Bu çalışmada, farklı çözündürme yöntemlerinin, dondurulmuş midye ve karides örneklerinin mikrobiyal, fiziksel ve duyusal kalitesi üzerine etkileri araştırılmıştır. Çözündürme işlemi, buzdolabında (B4: 4±1ºC), oda sıcaklığında (O22: 22±1ºC), ılık suda (I30: 30±1ºC) ve sıcak suda (S55: 55±1ºC) gerçekleştirilmiştir. Toplam mezofilik bakteri sayısı, her iki örnekte de en düşük B4 (2,74 log KOB/g) ve S55 (3,35 log KOB/g) yöntemleri ile çözündürülen gruplarda tespit edilirken, en yüksek I30 grubunda bulunmuştur. Öte yandan en yüksek değerler ise her iki gıda örneğinde de I30 grubunda bulunmuştur. Psikrofilik bakteri sayısı ise, en düşük S55 ile çözündürülen grupta tespit edilmiştir. Renk analizi sonuçlarına göre, en düşük L* değeri her iki örneğin I30 gruplarında bulunurken, oksidasyon ile ilişkilendirilen b* değeri ise en yüksek, midye örneklerinde O22 ve karides örneklerinde ise B4 grubunda tespit edilmiştir. En düşük su aktivitesi değeri midye örneğinde B4 grubunda bulunurken, karides örneğinde 022 grubunda tespit edilmiştir. Duyusal analiz sonuçlarına göre; buzdolabında çözündürülen her iki örneğin genel kabul edilebilirlik puanı en yüksek bulunmuştur. Sonuç olarak, kalite parametrelerinin tamamı değerlendirildiğinde her iki grupta da, buzdolabında ve sıcak suda çözündürmenin en iyi yöntem olduğu belirlenmiştir.
Keywords	midye eti ; karides eti ; çözündürme yöntemleri ; kalite ; tüketici ; Agriculture ; S ; Agriculture (General) ; S1-972
Language	English
Publishing date	2019-06-01T00:00:00Z
Publisher	Turkish Science and Technology Publishing (TURSTEP)
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Enhanced Hole Mobility of p-Type Materials by Molecular Engineering for Efficient Perovskite Solar Cells.

Yeşil, Tamer / Mutlu, Adem / Siyahjani Gültekin, Sirin / Günel, Zeynep Gülay / Zafer, Ceylan

ACS omega

2023 Volume 8, Issue 30, Page(s) 27784–27793

Abstract: Star-shaped triazatruxene derivative hole-transporting materials (HTMs), namely, 3,8,13-tris(4-(8a,9a-dihydro- ... ...

Abstract	Star-shaped triazatruxene derivative hole-transporting materials (HTMs), namely, 3,8,13-tris(4-(8a,9a-dihydro-9
Language	English
Publishing date	2023-07-20
Publishing country	United States
Document type	Journal Article
ISSN	2470-1343
ISSN (online)	2470-1343
DOI	10.1021/acsomega.3c04088
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Article ; Online: Production of Rosmarinic Acid Nanoparticles, and Investigation of Anti-Oxidation Effects on Salmon Fish Meat

Zafer CEYLAN / Yasemin BUDAMA KİLİNC / Azime YILMAZ / Kübra ÜNAL / Burak ÖZDENİR

Journal of the Turkish Chemical Society, Section A: Chemistry, Vol 9, Iss 2, Pp 311-

2022 Volume 320

Abstract: In this study, an anti-oxidant nanoformulation to prevent the oxidation of salmon was developed using rosmarinic acid (RA). Minced salmon samples (MSs) were treated with 8.10-3 g (RAT1) and 16.10-3 g (RAT2) RA-loaded nanoparticles for 100 g MS rosmarinic ...

Abstract	In this study, an anti-oxidant nanoformulation to prevent the oxidation of salmon was developed using rosmarinic acid (RA). Minced salmon samples (MSs) were treated with 8.10-3 g (RAT1) and 16.10-3 g (RAT2) RA-loaded nanoparticles for 100 g MS rosmarinic acid, separately. The thiobarbituric acid (TBA) values of control (C), RAT1, and RAT2 samples stored at 4 °C were found as 2.995, 1.350, and 0.994 mg MDA/kg; respectively, after 9 days. While the initial free fatty acid (FFA) value of C samples was 2.011%, RAT1 and RAT2 were found as 2.765% and 2.494%, respectively. The 2,2,diphenylpicrylhydrazyl (DPPH) values of MSs treated with RAT1 and RAT2 were observed to be higher than that of C samples. C samples were evaluated as unfit for human consumption on the 5th day of the storage, it was revealed that but the sensory scores of MSs treated with RAT1 and RAT2 were still acceptable for human consumption.
Keywords	nanotechnology application ; nanoparticle ; rosmarinic acid ; salmon quality ; Chemistry ; QD1-999
Language	English
Publishing date	2022-05-01T00:00:00Z
Publisher	Turkish Chemical Society
Document type	Article ; Online
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Article ; Online: Snack Barlar ve Tüketim Eğilimleri

Y. Birol Saygı / Esra Mankan / Zafer Ceylan / Şule Çelik / Merve Uçkan Çakır

Türk Turizm Araştırmaları Dergisi, Vol 6, Iss 3, Pp 607-

2022 Volume 627

Abstract: Gün geçtikçe tüketicilerin bilinç düzeyindeki artış, sağlıklı atıştırmalık ve fonksiyonel gıda konseptine evrilmesi gerekliliğini beraberinde getirmiştir. Atıştırmalık grubunda konsantre bir ürün olan meyve barları; vitamin, mineral ve lifçe zengin kuru ... ...

Abstract	Gün geçtikçe tüketicilerin bilinç düzeyindeki artış, sağlıklı atıştırmalık ve fonksiyonel gıda konseptine evrilmesi gerekliliğini beraberinde getirmiştir. Atıştırmalık grubunda konsantre bir ürün olan meyve barları; vitamin, mineral ve lifçe zengin kuru meyve ve sağlıklı yağ kaynağı olan kuruyemişleri ihtiva etmesi, lezzetli çeşitleri ve uzun raf ömrüne sahip oluşuyla; fonksiyonel nitelikler kazandırılabilirlik açısından diğer atıştırmalıklara kıyasla öne çıkmaktadır. Yapılan anket çalışmasında katılımcıların ,8’i günde bir defa atıştırmalık gıda tüketirken, ,1’i günde iki defa, %9,9’u günde üç defa ve %3,2’si ise günde dört defadan fazla atıştırmalık gıda tükettiğini ifade etmiştir. Ayrıca, katılımcıların atıştırmalık gıda olarak tükettiği ürünler sebze (4.86), yoğurt (4.85), meyve (4.80), Kuruyemiş (4.55) ve Çikolata (4.39) olduğu görülmektedir. Bu bağlamda makalede; snack bar işleme prosesi, snack bar üretiminde kalite parametreleri ve snack bar bileşenlerinin fonksiyonel özellikleri incelenmiş ve bireylerin atıştırmalık bar tüketim alışkanlıklarını incelemek amacıyla bu kapsamda örnekleme tekniği kullanılarak toplam 536 katılımcıya online anket uygulanmış olup çıkan sonuçlar SPPS 24 programında analiz edilmiş ve değerlendirilmiştir.
Keywords	atıştırmalıklar ; snack barlar ; fonksiyonel gıdalar ; Hospitality industry. Hotels ; clubs ; restaurants ; etc. Food service ; TX901-946.5 ; Geography (General) ; G1-922
Language	Turkish
Publishing date	2022-09-01T00:00:00Z
Publisher	Tutad
Document type	Article ; Online
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Article ; Online: Performance improvement of P3HT nanowire-based organic solar cells by interfacial morphology engineering.

Kiymaz, Deniz / Kiymaz, Aykut / Zafer, Ceylan

Nanotechnology

2020 Volume 32, Issue 10, Page(s) 105401

Abstract: Poly (3-hexylthiophene-2,5-diyl) nanowires (nw-P3HT) have been a great interest for organic electronics, including organic field-effect transistors, organic photodetectors, organic photovoltaics, etc due to easy formation in the solution process. Thus ... ...

Abstract	Poly (3-hexylthiophene-2,5-diyl) nanowires (nw-P3HT) have been a great interest for organic electronics, including organic field-effect transistors, organic photodetectors, organic photovoltaics, etc due to easy formation in the solution process. Thus both explanations of charge transport dynamics and morphology are crucial for device performance. Here we demonstrated the optoelectronic properties of the P3HT nanowires where the polymer backbones were parallel to the nanowire axis. The nanowires tended to form a bundle due to van der Waals interactions. Nanowire bundles were separated by 1,8-diiodooctane (DIO) additive for photovoltaic fabrication. The bundle separation was visualized by atomic force microscopy. The charge transfer mechanism was evaluated by electrochemical impedance spectroscopy. The electrical analysis showed that short-circuit current density (J
Language	English
Publishing date	2020-11-13
Publishing country	England
Document type	Journal Article
ZDB-ID	1362365-5
ISSN	1361-6528 ; 0957-4484
ISSN (online)	1361-6528
ISSN	0957-4484
DOI	10.1088/1361-6528/abcb61
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Article ; Online: Nisin ve su ürünleri

Sühendan Mol / Zafer Ceylan

Su Ürünleri Dergisi, Vol 32, Iss 2, Pp 115-

2016 Volume 120

Abstract: Nisin doğal ve güvenilir bir gıda katkı maddesidir ve Lactococcus lactis’ ten üretilir. Peynirden balığa ve içeceklere kadar çeşitli gıdalarda katkı maddesi olarak kullanılabilir. Nisin özellikle gram pozitif bakteriler üzerine etkili iken gram negatif ... ...

Abstract	Nisin doğal ve güvenilir bir gıda katkı maddesidir ve Lactococcus lactis’ ten üretilir. Peynirden balığa ve içeceklere kadar çeşitli gıdalarda katkı maddesi olarak kullanılabilir. Nisin özellikle gram pozitif bakteriler üzerine etkili iken gram negatif ve maya küfler üzerine bir etkisi yoktur. Nisin vücuda alındıktan sonra sindirim enzimleri tarafından inaktif hale getirilir bu nedenle hiçbir toksik etki yaratmaz. Ayrıca, FDA tarafından onaylanan tek bakteriosindir. Nisin sadece toplam bakteriler üzerinde etkin değil aynı zamanda laktik asit bakterileri, koliform ve patojenler üzerine de etkilidir. Nisin su ürünlerinde bulunabilecek L. monocytogenes gibi bazı patojenler üzerine inhibe edici özelliğe sahiptir. Ayrıca; nisin üzerine yapılan pek çok çalışmaya göre, nisin su ürünlerinin mikrobiyolojik güvenliğini sağlar ve raf ömrünü uzatır. Balığın kokusu üzerine olumsuz bir etkisi yoktur. Dahası, balığın doğal kokusunu muhafaza eder. Balıketi pH’sı ve rengi üzerine de olumsuz bir etkisi yoktur. Nisin TVBN, TMA değerleri ve psikrofilik ve mezofilik bakteri sayısının artışını depolama süresince kontrol etmektedir. Ayrıca, nisin vakum paketleme, ışınlama ve diğer katkı maddeleri ile beraber başarı ile kullanılmaktadır. Bu sayede nisin su ürünlerinin raf ömrünü artıran güvenli ve doğal bir katkı maddesi olarak kabul edilmektedir.
Keywords	- ; nisin ; doğal gıda katkı maddeleri ; su ürünleri ; raf ömrü ; patojen ; hurdle etki ; Aquaculture. Fisheries. Angling ; SH1-691 ; Ecology ; QH540-549.5
Language	English
Publishing date	2016-01-01T00:00:00Z
Publisher	Ege University
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Determination of the quality changes of whole cuttlefish (Sepia officinalis, L., 1758) stored at 2ºC

Hande Doğruyol / Zafer Ceylan / Gülgün F. Ünal Şengör

Su Ürünleri Dergisi, Vol 35, Iss 2, Pp 115-

2018 Volume 119

Abstract: The objective of this study was to determine sensorial, microbiological and physicochemical quality of whole cuttlefish (Sepia officinalis) during the stored without ice in refrigerator temperature. Sensory (quality index method [QIM]), physicochemical ( ... ...

Abstract	The objective of this study was to determine sensorial, microbiological and physicochemical quality of whole cuttlefish (Sepia officinalis) during the stored without ice in refrigerator temperature. Sensory (quality index method [QIM]), physicochemical (pH, moisture, color measurement, trimethylamine nitrogen [TMA-N], total volatile bases nitrogen [TVB-N]) values and ammonia value [NH3] and microbiological analysis [total psychrotrophic bacteria and mesophilic aerobic bacteria] were determined during storage period. The results indicate that the shelf life of cuttlefish stored was found as 6 days at 2oC “acceptable quality”.Sensory and physicochemical quality loss and certain deterioration of cuttlefish was determined that unacceptable 9 days at 2oC.
Keywords	mürekkep balığı ; fiziko-kimyasal kalite göstergeleri ; mikrobial kalite ; renk ; duyusal ; cuttlefish ; physico-chemical quality indices ; microbiological quality ; color ; sensory ; Aquaculture. Fisheries. Angling ; SH1-691 ; Ecology ; QH540-549.5
Language	English
Publishing date	2018-06-01T00:00:00Z
Publisher	Ege University
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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