Department of Chemistry, Thesis

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Thesis (1185)

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Author
Yılmaz, Halit (3)
Akbayrak, Serdar (2)
Aksoyoğlu, E Şebnem (2)
Aktekin, Nevzat (2)
Akın, Hanife (2)

Subject
Chemistry. (102)
Chemistry, Organic (80)
Polymers. (54)
Natural Sciences (26)
Macromolecules. (24)

Date Issued
1960 - 1979 (145)
1980 - 1999 (414)
2000 - 2019 (588)
2020 - 2022 (38)

Item Type
Master Thesis (952)
Ph.D. Thesis (233)

Recent Submissions

EFFECT OF π-BRIDGES ON ELECTROCHEMICAL AND PHOTOVOLTAIC PROPERTIES OF BENZOTHIADIAZOLE AND BENZODITHIOPHENE BASED CONJUGATED POLYMERS Dikbıyık, Dilan Ece; Çırpan, Ali; Hızalan Özsoy, Gönül; Department of Chemistry (2022-1-28) In this study, a series of the Donor -π bridge- Acceptor type conjugated polymers (PT1, PT2, and PT3) were designed and synthesized via Pd-catalyzed Stille polycondensation reactions. Synthesized polymers were used as dono...
G-QUADRUPLEXES: TARGETING WITH AZACYANINES AND APPLICATION TO HYDROXYCHLOROQUINE DETECTION Doğan, Kübra; Persil Çetinkol, Özgül; Department of Chemistry (2022-1-24) The use of small molecules as therapeutic agents opens up new possibilities for treating a variety of diseases, including cancer. A major class of chemotherapy agents act on cancer cells by altering or damaging the cell's ...
New Protocol for Scanning Minor and Major Grooves Along DNA to Find Best Interaction Mode With Drug Molecules Gülkaya, Aybüke; Marıon, Antoıne; Department of Chemistry (2022-1-18) Major and minor groove binder drugs could function as possible treatment agents in genetic disorders or cancer. DNA is recognized by different proteins during replication, translation, and transcription. Basically, by bin...
INVESTIGATION OF DONOR, ACCEPTOR AND SUBSTITUENT EFFECT ON PHTHALIMIDE AND THIENO[3,4-c]PYRROLE-4,6-DIONE BASED DONOR-ACCEPTOR-DONOR TYPE MONOMERS AND POLYMERS Çakal, Deniz; Önal, Ahmet Muhtar; Cihaner, Atilla; Department of Chemistry (2021-11-26) Conjugated organic materials comprise a major field of material chemistry focused on the improvement of new building blocks for the synthesis of novel semiconducting materials with advanced functional properties. Such semi...
Design & synthesis of rhodanine flanked benzodithiophene and benzothiadiazole containing small molecule non-fullerene acceptors for organic solar cells Kardelen, Deniz; Günbaş, Emrullah Görkem; Toppare, Levent Kamil; Department of Chemistry (2021-9) Solar energy became the leading renewable energy source due to its zero-emission profile, economic advantages and abundance of its main energy source, the sun. For conversion of solar energy to electrical energy, photovolt...
Interface Engineering with a Thienothiophene-Based Ammonium Salt for Realization of Semitransparent Perovskite Solar Cells with Enhanced Efficiency and Improved Stability Güneş, Ümmügülsüm; Günbaş, Emrullah Görkem; Department of Chemistry (2021-9) The stability issues of perovskite solar cells (PSCs) is one of the most important factors preventing commercialization. Various approaches have been proposed to overcome this problem, and among them, interface engineering...
Studies on closo-dodecaborate dianion derivatives uses in catalytic reactions Albayrak, Oğuzhan; Akdağ, Akın; Department of Chemistry (2021-8-20) Icosahedral boron clusters are versatile and unique types of boron compounds due to their high symmetry, stability, and low toxicity. These clusters have negative charges. Due to the delocalization of negative charge, thes...
Studies on chiral spiropyran derivatives Şentürk, Bengi; Akdağ, Akın; Department of Chemistry (2021-8-13) Spiropyrans are a class of organic molecules that possess photochromic characteristics. Their isomerization to the merocyanine form can be induced by light, heat, polarity, and pH of the environment. The merocyanine form i...
Behavior of Alpha-2-Macroglobulin unique peptides in biological samples Yıldız, Pelin; Özcan Kabasakal, Süreyya; Department of Chemistry (2021-8-9) Proteomics is the comprehensive study of proteins and proteoforms. Proteomics research enables the identification of new protein biomarkers for diagnostic applications and investigates novel targets for drug development. I...
REGIOSELECTIVE RING OPENING REACTIONS OF AZIRIDINE-2-PHOSPHONATES AND AZIRIDINE BASED CHIRAL LIGANDS FOR CATALYTIC, ASYMMETRIC AZOMETHINE YLIDE CYCLOADDITIONS AND AZA-HENRY REACTION Beksultanova, Nurzhan; Doğan, Özdemir; Department of Chemistry (2021-7-16) Aziridines are small three-membered heterocyclic compounds. They are important as building blocks for many nitrogen-containing biologically active compounds and as chiral ligands in metal catalyzed asymmetric synthesis of ...
Synthesis of Spiro-Pyrrolopyridazines Dündar, Buse Ayşen; Zora, Metin; Department of Chemistry (2021-7-14) Heterocyclic molecules have great importance in organic chemistry due to their significant functions in very wide areas. Scientists tend to work on them because they exhibit excellent properties from medicine to material s...
Design And Synthesis Of Triazene And Indole-Substituted Push–Pull Chromophores Via Click-Type Transformations: Effects Of Donor Groups On The Optoelectronic Properties ERDEN, KÜBRA; Dengiz, Çağatay; Department of Chemistry (2021-7) Conjugated materials play an indispensable role in daily life due to their extraordinary properties and applications. Of particular interest are the donor–acceptor-type push–pull chromophores since they have already been u...
Synthesis and investigation of optical and electrochemical properties of organoboron based donor-acceptor type conjugated polymers Ayyıldız, Berrin; Çırpan, Ali; Dengiz, Çağatay; Department of Chemistry (2021-7) In recent years, the element boron has an important place in the studies of alternative energy sources to solve problems arising in the field of energy production. In addition to its superior properties and wide use in man...
Investigation of the effect of heteroatom and integration of boron on benzodithiophene and pyrazine containing conjugated polymers for photovoltaic applications Abacıoğlu, Yeşim; Çırpan, Ali; Sürdem, Sedat; Department of Chemistry (2021-7) In the context of this thesis, two different subjects were investigated for photovoltaic applications of conjugated polymers; the effect of heteroatom and integration of boron. The element boron has received considerable ...
Studies towards the preparation of functionalized cellulose microspheres with affinities towards negatively charged biomembranes Demirel, Kaan; Türkyılmaz, Serhan; Department of Chemistry (2021-7) Cellulose microspheres (CMs), generally with diameters in the 10-1000 µm range, have been used as stationary phases in chromatography, substrates for ion exchange applications, supports for protein immobilization and solid...
The synthesis and characterization of thioglycolic acid and thiourea capped fluorescent zinc sulfide nanoparticles Mertoğlu, Cemre; Volkan, Mürvet; Department of Chemistry (2021-6) The changes in mitochondrial bioenergetics due to DNA mutations lead to an increase in the significance of mitochondria imaging of cancer cells. Since fluorescent imaging provides high resolution, sensitivity, and selectiv...
Optical and electrochemical properties of benzotriazole and benzodithiophene containing alternating copolymers Yıldırım, Merve; Çırpan, Ali; Department of Chemistry (2021-2-15) The demands of humanity are changing and enhancing day by day with the increasing population. One of the most significant needs is energy in the world; but not only energy is a requirement, but also green energ...
Amino Acid And Peptide Based Gels Aykent, Güzide; Özçubukçu, Salih; Department of Chemistry (2021-2-12) Self-assembling peptides and amino acid derivatives are becoming an emerging field especially in last decades. Especially for their usage in biomedical applications, tissue engineering and drug delivery, extensive research...
Fullerol based enzyme mimics and synthesis effort of tetra aryl pyranone Soydan, Medine; Özçubukçu, Salih; Department of Chemistry (2021-2-12) Although, natural enzymes have high catalytic activity and specificity, they are fragile and costly due to long purification processes. Therefore, scientists started to design and synthesize structures with ...
Synthesis of azobenzene containing macrocycles Hoşgör, Ege; Akdağ, Akın; Department of Chemistry (2021-2-10) Aromatic azo compounds are one of the well-known research topics of recent times due to their photoisomeric properties under ultraviolet or visible light. Generally, these substances undergo isomerization from the thermody...

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