Browsing by Author "Aydın, Fırat"
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Adli kimyada atış artıklarının spektrofotometrik yöntemle analizi
Tekin, Gökhan (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2021)Bu çalışma, adli kimya uygulamalarından atış artıkları analizlerine yönelik olarak yapılmıştır. Verimli sonuçlar elde etme yöntemlerinden olan X Işını Enerji Dağılımlı Taramalı Elektron Mikroskobu (SEM/EDS) ve ... -
Antikanser özellik gösteren nıvolumab ve bevasizumab'ın kalem grafit elektrot kullanarak voltametrik yöntemlerle tayini ve dsDNA ile etkileşimlerinin incelenmesi
Aslan, Mehmet (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2023)Bu tez çalışmasında, Nivolumab (NIVO) ve Bevasizumab (BEVA) ilaç etken maddelerinin kalem grafit elektrot (PGE) üzerinde elektrokimyasal davranışlarını ve DNA ile etkileşimlerini değerlendiren bir elektrokimyasal biyo ... -
Application of disposable biosensor for nivolumab–DNA interaction using pencil graphite electrode
Aslan, Mehmet; Aydın, Fırat; Aslan, Ferhat; Levent, Abdulkadir (Pleiades Publishing, 2023)Abstract: In this study, the interaction of the anticancer drug Nivolumab (NIVO) with dsDNA was investigated using differential pulse (DPV) technique by monitoring the changes in the oxidation signal of adenine and guanine ... -
Chemical speciation of vanadium in coal bottom ash
Aydın, Fırat; Saydut, Abdurrahman; Gündüz, Beniz; Aydın, Işıl; Hamamcı, Candan (Wiley, 2012)Chemical speciation of vanadium is important to understand the true nature of this element in the environment as well as its biochemical pathways. Sample pretreatment, preparation, and chemical speciation methods were ... -
Comparison of three sequential extraction methods for the determination of iron, manganese, and thallium in asphaltite samples
Bilgin, Öykü; Fidan, Celal; Aydın, Işıl; Aydın, Fırat (Atomic Spectroscopy Press Limited, 2020)Asphaltite, which is based on petroleum, contains many elements that exist in different forms. In this study, the BCR sequential extraction (BCRSE), Tessier sequential extraction (TSE) and Stover sequential extraction (SSE) ... -
Determination and comparison of metal analysis in the species belonging to different families by inductively coupled plasma-mass spectrometry (ICP-MS)
Umaz, Adil; Fırat, Mehmet; Aydın, Fırat; Ertaş, Abdulselam (2022)The consumption of plants and their use for medicinal purposes are increasing day by day. Therefore, knowing the plant contents is important for human health. In this study, metal contents of nineteen species belonging to ... -
Determination and comparison of metal contents in simulated body fluid medium conditions of the plant species by flame atomic absorption spectrometry (FAAS)
Umaz, Adil; Aydın, Fırat; Ölmez, Özge Tokul; Fırat, Mehmet; Öztürk, Mehmet; Ertaş, Abdulselam; Aydın, Işıl (Marmara University, 2022)The importance of plants in folk medicine and scientific studies is increasing day by day. In this context, the plants pose a danger to human health when they are eaten by the public, consumed as herbal tea or used as ... -
Determination of hydroxymethylfurfural in Turkish honeys, pekmez (grape molasses), and jam samples by high-performance liquid chromatography with diode array detection
Elmastaş, Ayhan; Aydın, Fırat; Umaz, Adil; Kılınç, Ersin; Arslan, Yasin; Aydın, Işıl (Wiley, 2022)Hydroxymethylfurfural (HMF) is a chemical contaminant that is not naturally present in carbohydrate-containing food samples. The HMF amounts were changed between 4.8 and 214.1 mg/kg in honey; between 7.8 and 204.0 mg/kg ... -
Determination of multi-elemental analysis and antioxidant activities of Helichrysum arenarium (L.) moench species
Umaz, Adil; Umaz, Kader; Aydın, Fırat; Aydın, Işıl (Hacettepe University, Faculty of Pharmacy, 2023)In this study, multi-elemental analysis and antioxidant activity of samples belonging to two different populations of Helichrysum arenarium (L.) Moench known as the immortal flower was determined. The results obtained ... -
Determination of zinc in dried nuts by slotted quartz tube-flame atomic absorption spectrometry (SQT-FAAS) with citric acid-coated magnetic nanoparticle (CAMNP) based solid phase extraction (SPE)
Umaz, Kader; Umaz, Adil; Aydın, Işıl; Aydın, Fırat (Taylor and Francis Ltd., 2024)This study reports a sensitive method for trace zinc using slotted quartz tube-flame atomic absorption spectrometry (SQT-FAAS) with citric acid-coated magnetic nanoparticle-solid phase extraction (CAMNP-SPE). To increase ... -
Development of sensitive analytical methods for bismuth determination by atomic spectrometric techniques
Kılınç, Ersin (2017)Alevli atomik absorpsiyon spektrometri (AAAS) ile Bizmut (Bi) tayini için duyarlı analitik ve ekonomik metotların geliştirilmesi ve (indüktif eşleşmiş plazma optik emisyon spektrometresi) İEP-OES`de Bi`un duyarlılığını ... -
Diyarbakır'da foseptik atıklar ile sulanan marullardaki (Lactuca sativa L. var. longifolia Lam.) ağır metal miktarları üzerinde bir çalışma
Aydın, Fırat; Demir, Ramazan (2000)Bu çalışmada, foseptik atıklar ile sulanan Diyarbakır Hevsel Bahçeleri'ndeki marul (Lactuca sativa L. var. longifolia Lam.) bitkisi ile bu alana ait su ve toprak örneklerinin Zn, Cu, Pb, Mn ve Fe miktarları tayin edilmiştir. ... -
Effects of dietary boron on cervical cytopathology and on micronucleus frequency in exfoliated buccal cells
Korkmaz, Mehmet; Uzgören, Engin; Bakirdere, Sezgin; Aydın, Fırat; Ataman, O. Yavuz (Wiley, 2007)Recent evidence indicates that boron and borates may have anticarcinogenic properties. In this study, we have investigated the incidence of adverse cytological findings in cervical smears and the micronucleus (MN) frequency ... -
Electrochemical evaluation of nivolumab used in cancer treatment with differential pulse voltammetry: A novel approach with single-use pencil graphite electrode
Aslan, Mehmet; Aydın, Fırat; Levent, Abdulkadir (Springer Int Publ Ag, 2023)ObjectivesNivolumab is used in a treatment called immunotherapy, which helps the immune system cells to attack cancer cells. The electrochemical properties and quantification of this drug were performed using single-use ... -
Elekrolitik bakır çözeltisinin değerlendirilmesi
Aydın, Fırat (2018)Bu çalışmada kullanılan elektrolitik bakır çözel tisi » daha. önce "Ergani bakır işletmelerinden" temin edilen rafine bakırın laboratuvar ımı zda elektrolizi sonucu elde edilmiştir. Bu işlem süresince bazı elementler ... -
Essential oil contents of Hypericum linarioides , H. helianthemoides, and H. lydium with their biological activities: Importance of Hypericum genus in the cosmeceutical and pharmaceutical industries
Akdeniz, Mehmet; Yener, İsmail; Ertaş, Abdülselam; Dincel, Demet; Fırat, Mehmet; Kocakaya, Şafak Özhan; Yigitkan, Serkan; Türkmenoğlu, Fatma Pınar; Aydın, Fırat; Kolak, Ufuk (Springer, 2023)In the literature, more than 3000 studies have been carried out on species in the Hypericum genus in the last ten years, especially for H. perforatum. The importance of Hypericum species in traditional medicine and modern ... -
GSR analysis by spectrophotometry method in forensic chemistry
Tekin, Gökhan; Seyhan, Ercan; Aydın, Işıl; Aydın, Fırat (Dicle Üniversitesi Fen Bilimleri Enstitüsü, 2023)This study was conducted to analyze residual shots from forensic chemistry applications. The entire analysis process was evaluated with Scanning Electron Microscopy/Energy Dispersive X-Ray Spectroscopy (SEM/EDS) and, ... -
An investigation and comparison of concentration change in simulated body fluid medium conditions of the calcium element in 27 different salvia species
Umaz, Adil; Aydın, Fırat; Fırat, Mehmet; Yener, İsmail; Ertaş, Abdülselam; Elmastaş, Ayhan (Istanbul University, 2023)Background and Aims: In this study, calcium (Ca) element concentration changes of Salvia species in simulated body fluid (SBF) medium conditions were investigated and the results in these medium conditions were compared ... -
Investigation of changes against time in the artificial gastric liquid medium of pesticide active substances
Elmastaş, Ayhan; Umaz, Adil; Aydın, Fırat (Iğdır Üniversitesi Fen Bilimleri Enstitüsü, 2021)In this study, grown tomato samples were examined changes of pesticide active substances by two different methods in the artificial gastric liquid (AGL) medium prepared. In the first method, Trifloxystrobin and Imidacloprid ... -
Kromatografik tekniklerle tabletlerde flurbiprofen analizi ve bozunma kinetiğinin incelenmesi
Kılınç, Ersin (2017)Çalışmada, Non-steroid Anti-İnflammatuvar ilaçlar grubunun bir üyesi olan flurbiprofenin ticari tabletlerde analizi yapılmıştır. Analizler için yüksek performanslı sıvı kromatografisi, kapiler elektroforez ve yüksek ...
