Baran, Mehmet Fırat

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Baran, Mehmet Fırat

Name Variants

Baran, M. F.
Baran, Mehmet Firat
BARAN, Mehmet Fırat
Baran, M.F.

Job Title

Doç. Dr.

Main Affiliation

Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü

Status

Former Staff

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Scholarly Output

60

Articles

55

Citation Count

0

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1 Scholarly Output Search Results

Now showing 1 - 10 of 59

Citation - WoS: 18
Citation - Scopus: 22
Kinetic and isotherm investigation into the removal of heavy metals using a fungal-extract-based bio-nanosorbent
(Environmental Technology and Innovation, 2020) Yıldırım, Ayfer; Acay, Hilal; Baran, Mehmet Fırat; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
Adsorption is very economical and environmentally friendly method that is commonly accepted as a promising technique for the removal of heavy metals. In this study a fungal-extract-based (FE-CB) bio-nanosorbent was prepared and used as an efficient biosorbent for the removal of heavy metals, namely Cu(II) and Ni(II), from aqueous solutions. FE-CB was characterized by scanning electron microscope, Brunauer–Emmett–Teller surface area and porosity analyzer, Fourier transform infrared, x-ray diffraction, differential scanning calorimeter, thermalgravimetric analysis and zeta potential. The Brunauer–Emmett–Teller surface area, pore volume and average pore diameter of FE-CB were 7.43 m2/g, 0.060 cm3/g, and 2.82 nm, respectively. The adsorbtion properties of FE-CB onto both Cu(II) and Ni(II) were investigated in terms of biosorbent dosage, temperature, initial concentration of Cu(II) and Ni(II) ions, pH and contact time in the batch experiments. The dependence of the biosorption mechanism on pH was revealed and the optimum pH was determined as 6 for Ni(II) and 5 for Cu(II). The Langmuir and Freundlich isothermal models and the kinetic Pseudo-first-order and Pseudo-second-order kinetic models were used to describe the adsorption performance of FE-CB. The activation energy was calculated by pseudo-second-order rate constants. In addition, thermodynamic parameters, standard Gibbs free energy, standard enthalpy and standard entropy were analyzed using the (Van't Hoff equation). The biosorption process was found to be spontaneous, favorable and endothermic.
Citation - WoS: 64
Citation - Scopus: 69
Ecofriendly Synthesis of Silver Nanoparticles Using Ananas comosus Fruit Peels: Anticancer and Antimicrobial Activities
(Hindawi, 2021) Keskin, Cumali; Baran, Ayşe; Baran, Mehmet Fırat; Huseynova, Irada; Khalilov, Rovshan; Eftekhari, Aziz; Irtegun-Kandemir, Sevgi; Kavak, Deniz Evrim; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
Metallic nanoparticles are valuable materials and have a range of uses. Nanoparticles synthesized from plant wastes by environment-friendly methods have attracted the attention of researchers in recent years. Also, the advantages of biological resources and synthesis methods are attracting attention. In this study, silver nanoparticles were synthesized from Ananas comosus fruit peels using ecofriendly method steps. The characterization of the particles obtained was determined by using a UV-visible spectrophotometer (UV-Vis.), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction diffractometer (XRD), Fourier scanning electron microscope (FESEM), and transmission electron microscopy (TEM). The nanoparticles showed maximum absorbance at 463 nm, measuring 11.61 in crystal nanosize, and presented spherical in appearance. An antimicrobial activity test was determined with the minimum inhibition concentration (MIC) method. The nanoparticles showed promising inhibitory activity on the Gram-positive and Gram-negative pathogen microorganisms (Escherichia coli ATCC25922, Staphylococcus aureus ATCC29213, Bacillus subtilis ATCC11774, Pseudomonas aeruginosa ATCC27833 bacteria, and Candida albicans yeast) at low concentrations. The cytotoxic and growth inhibitory effects of silver nanoparticles on different cancer cell lines were examined via the MTT assay. © 2021 Ayşe Baran et al.
Citation - WoS: 58
Citation - Scopus: 67
Biosynthesis, characterization, and investigation of antimicrobial and cytotoxic activities of silver nanoparticles using Solanum tuberosum peel aqueous extract
(Elsevier, 2023) Keskin, Cumali; Baran, Ayşe; Baran, Mehmet Fırat; Keskin, Cumali; Baran, Ayşe; Baran, Mehmet Fırat; Eftekhari, Aziz; Aytuğ Ava, Canan; İrtegün Kandemir, Sevgi; Cebe, Deniz Barış; Dağ, Beşir; Beilerli, Aferin; Khalilov, Rovshan; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
Metallic nanoparticle biosynthesis is thought to offer opportunities for a wide range of biological uses. The green process of turning biological waste into utilizable products gaining attention due to its economical and eco-friendly approach in recent years. This study reported the ability of Solanum tuberosum (ST) peel extract to the green synthesis of non-toxic, stable, small-sized silver nanoparticles without any toxic reducing agent utilizing the phytochemical components present in its structure. UV-visible spectroscopy, X-ray diffraction analysis, Fourier transform infrared spectroscopy, flourier scanning electron microscopy, atomic force microscopy, transmission electron microscopy, and energy dispersive analysis X-ray confirmed the biosynthesis and char-acterization of silver nanoparticles. Also, dynamic light scattering and thermogravimetric ana-lyses showed stable synthesized nanoparticles. The antibacterial activity of the biosynthesized silver nanoparticles was evaluated against four different bacterial strains, Escherichia coli (E. coli), Pseudomonas aeruginosa (P. aeruginosa), Staphylococcus aureus (S. aureus) Bacillus subtilis (B. subtilis), and a yeast, Candida albicans (C. albicans) using the minimum inhibitory concen-tration technique. The cytotoxic activities were determined against Human dermal fibroblast (HDF), glioblastoma (U118), colorectal adenocarcinoma (CaCo-2), and human ovarian (Skov-3) cell lines cancer cells using MTT test. The nanoparticle capping agents that could be involved in the reduction of silver ions to Ag NPs and their stabilization was identified using FTIR. Nano -particles were spherical in shape and had a size ranging from 3.91 to 27.07 nm, showed crys-talline nature, good stability (-31.3 mV), and the presence of capping agents. ST-Ag NPs significantly decreased the growth of bacterial strains after treatment. The in vitro analysis showed that the ST-Ag NPs demonstrated dose-dependent cytotoxicity against cell lines. Based on the data, it is feasible to infer that biogenic Ag NPs were capped with functional groups and demonstrated considerable potential as antibacterial and anticancer agents for biomedical and industrial applications.
Fatty acid compositions of total lipid, phospholipid and triacylglycerol fractions of the wild edible mushroom pleurotus ostreatus and russula delica with cytotoxic activities on prostate carcinoma cell lines
(2019) Acay, Hilal; Baran, Mehmet Fırat; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
The aim of the study to investigate fatty acids (FAs) of Pleurotus ostreatus and Russula delica in Total Lipid (TL), Triacylglycerol (TG) and Phospholipid (PL) fractions. The major FAs of TL, TG, PL in both species were palmitic acid (PA), oleic acid (OLA), and linoleic acid (LA). In both species, total PUFA amounts were found to be higher than total monounsaturated fatty acids (MUFA) and total saturated fatty acids (SFA) in TL, TG and PL fractions. Also, insufficiently studied cytotoxic activity (using prostate carcinoma (PC-3) cell lines) of these mushrooms were investigated by using various solvent systems. Ethyl acetate extract of Pleurotus ostreatus and Russula delica showed significant inhibitory value at the concentrations of 520-530 μg/ml (99.45-92.82%) against PC-3 cell lines with the half-maximal inhibitory concentration (IC50); 274.53-297.77 μg/mL respectively. The present study is a guide for biochemical and nutritional values of both species and can be useful for further investigation on pharmacological applications.
Citation - WoS: 14
Citation - Scopus: 16
Investigating Antimicrobial Activity of Silver Nanoparticles Produced Through Green Synthesis Using Leaf Extract of Common Grape (Vitis Vinifera)
(Aloki Applied Ecological Research and Forensic inst Ltd, 2019) Acay, Hilal; Baran, Mehmet Fırat; Eren, Abdullah; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü; Department of Organic Agriculture / Organik Tarım Bölümü; Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
In this study, a direct approach to fabricating silver nanoparticles (AgNPs) via the leaf extract of common grape (Vitis vinifera) has been demonstrated. The produced particles were found with a maximum wavelength of 452.47 nm, spherical shape and the crystal size of 18.53 nm through UV-Visible spectrophotometry, XRD (X-ray diffraction) and SEM (Scanning electron microscopy) characterization methods. Furthermore, the functional groups involved in the reduction were specified with FTIR (Fourier transform infrared spectroscopy), the elemental compounds were identified with EDX (Energy dispersive X-Ray spectroscopy) and the degradation points were determined with TGA-DTA (Thermal gravimetric analysis) methods. AgNPs were found to be effective against hospital pathogens, namely Gram-negative Escherichia coli ATCC 25922, Gram-positive Staphylococcus aureus ATCC 29213 and Candida albicans fungus at the concentrations of 0.314, 0.078 and 0.334 mu g mL(-1), respectively.
Amygdalus Communis (badem) Meyvesinden Elde Edilen Özütlerin Bazı İn Vitro Biyolojik Aktivitelerinin, Kimyasal ve Pestisit Kompozisyonlarının Araştırılması
(2024) Keskin, Cumali; Baran, Ayşe; Baran, Mehmet Fırat; Baran, Mehmet Fırat; Çetik Yıldız, Songül; Tarhan, Rozerin; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
Amygdalus communis (A. communis) yüksek düzeyde protein ve doymamış yağ asitlerinden oluşur ve bu da onları doğal kaynakların sınırlı olması gereken diyet beslenmesinde faydalı kılar. Bu çalışmada badem meyvesinden elde edilen kloroform ve metanol özütlerinin antioksidan, antikolinesteraz, antimikrobiyal özellikleri, kimyasal bileşen miktarı ile ağır metal kompozisyonu ve pestisit kalıntı miktarları araştırıldı. A. communis meyvesinde en yüksek toplam fenolik bileşen ve flavonoid içeriğin kloroform özütünde olduğu ayrıca kloroform özütünün DPPH radikal söndürme aktivitesinin daha yüksek olduğu belirlendi. A. communis meyve kloroform ve metanol özütlerinin Escherichia coli ve Staphylococcus aureus bakteri suşları ve Candida albicans mayasının üremesi üzerinde standart antibiyotikler ile kıyaslandığında düşük konsantrasyonlarda oldukça güçlü inhibisyona sebep olduğu belirlendi. A. communis meyve metanol ve kloroform özütlerinin kimyasal bileşen içerikleri LCMS/MS kullanılarak belirlendi. Metanol (Me-OH) özütünde ana bileşenlerin sırasıyla sitrik asit, şikorik asit ve 4-Hidroksibenzoik asit kloroform özütünde ise 4-Hidroksibenzoik asit, p-kumarik asit ve klorogenik asit olduğu belirlendi. A. communis meyve numunesi için pestisit kalıntı analizi GC-MS ve LCMS-MS kullanılarak yapıldı. Test edilen numune içeriğinde Deltametrin kalıntısının varlığı belirlendi. Elde edilen veriler değerlendirildiğinde A. communis meyvesinin zengin biyokimyasal içeriği ve güçlü antibakteriyel, antioksidan ve antikolinesteraz enzim inhibisyon kapasitesi ile biyomedikal ve gıda endüstrilerinde potansiyel uygulamalara sahip olması beklenmelidir.
Fıstık (Pistacia vera L.) Yaprağından Gümüş Nanopartikül (AgNP)’lerin Sentezi, Karakterizasyonu ve Antimikrobiyal Aktivitesinin İncelenmesi
(2019) Eren, Abdullah; Baran, Mehmet Fırat; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü; Department of Organic Agriculture / Organik Tarım Bölümü
Bu çalışmanın amacı, fıstık (Pistacia vera L.) bitki ekstraktı kullanılarak, yeşil sentez yöntemi ile gümüş nanopartikül (AgNP)’lerini sentezlemektir. Yeşil sentez; çevre dostu ve maliyet açısından ucuz olması, kimyasal ve fiziksel yöntemlerden daha çok tercih edilen nanopartiküllerin kolay bir şekilde elde edilmesi ile bilinen biyolojik bir yöntemdir. Reaksiyon sonucunda elde edilen AgNP’ler, UV görünür spektrofotometre (UV-vis), fourier-dönüştürülmüş kızılötesi spektroskopisi (FTIR), X-Işını kırınımı (XRD), termogravimetrik ve diferansiyel termal analizi (TGA-DTA), taramalı elektron mikroskobu ve enerji yayılımlı X-ışını cihazı (SEM-EDX) kullanılarak karakterize edilmiştir. Gümüş nanopartiküllerin 460.67 nm’de maksimum absorbansa sahip olduğu görülmüştür. AgNP’lerin indirgenmesinde rol olan fitokimyasalları analiz etmek için FTIR analizi yapılmıştır. Debye-Scherrer’s denkleminden yararlanarak sentezlenen nanoparçacıkların kristal boyutunun 16.7 nm olduğu hesaplanmıştır. AgNP’lerin küresel görünümde olduğu transmisyon elektron mikroskobu ile tespit edilmiştir. Sentezlenen AgNP’lerin antimikrobiyal etkisi gram pozitif ve gram negatif bakterileri ve fungus (maya) üzerinde minimum inhibitör konsantrasyonu (MIC) metodu ile test edilmiştir. Sonuç olarak, sentezlenen gümüş nanopartiküllerin antimikrobiyal etki gösterdiği belirlenmiştir.
Citation - WoS: 0
Citation - Scopus: 0
Determination of chemical composition and antioxidant, cytotoxic, antimicrobial, and enzyme inhibition activities of Rumex acetosella L. plant extract
(Springer int Publ Ag, 2024) Aktepe, Necmettin; Keskin, Cumali; Baran, Ayşe; Baran, Mehmet Fırat; Atalar, Mehmet Nuri; Keskin, Cumali; Khalilov, Rovshan; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü; Department of Nursing / Hemşirelik Bölümü
Purpose The phenolic composition, antioxidant, antimicrobial activity, enzyme inhibition activity, and cytotoxic activity potentials of the plant Rumex acetosella L. (R. acetosella) were examined in this study. Materials and Methods: The chemical composition of R. acetosella methanol extract was identified by the LC-MS/MS method. The antioxidant activity was tested using beta-carotene/linoleic acid, DPPH free radical scavenging, ABTS cation radical scavenging, CUPRAC reducing power, and metal chelating activity methods. The cytotoxic activity was determined by the MTT assay using human ovarian adenocarcinoma (Skov-3), glioblastoma (U87), human dermal fibroblasts (HDF), and human colorectal adenocarcinoma (CaCo-2) cell lines. The antimicrobial activity of methanolic extracts was tested on gram-negative (Escherichia coli and Pseudomonas aeuriginosa) and gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis) using the in vitro minimum inhibition concentration method (MIC). Enzyme inhibition activity of R. acetosella methanol extract was measured spectrophotometrically against acetylcholinesterase (AChE) and glutathione S-transferase (GST) enzymes. Results: The findings showed that the major components of the methanol extract content were luteolin-7-O-glucoside (1.599 m/L), polydatin (91,024 m/L), and shikimic acid (0.773 m/L). It was determined that the extract and standard antioxidant (a-tocopherol) results in DPPH center dot, and ABTS center dot + tests performed to determine the antioxidant activity were close to each other, and this value was more effective than the standard antioxidant (alpha-tocopherol) in the CUPRAC test. These results suggested that the plant's antioxidant potential was higher when compared with reference antioxidant compounds. It was determined that the methanol extract of R. acetosella had a weaker effect on the growth of the tested microorganisms than the antibiotics used as standard. The activity of the GST and AChE enzymes was found to be severely inhibited by the methanol extract of R. acetosella. Conclusion: Based on these findings, R. acetosella L. is a medicinal and commercially beneficial plant that warrants further investigation.
Hypericum Triquetrifolium Turra Bitkisinden Gümüş Nanopartiküllerin Sentezi, Karekterizasyonu ve Antimikrobial Etkinliğinin İncelenmesi
(2019) Umaz, Adil; Keskin, Cumali; Baran, Mehmet Fırat; Koç, Adil; Keskin, Cumali; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
Bu çalışmada, biyolojik yöntemle Hypericum triquetrifolium Turra bitkisi kullanılarak gümüşnanopartiküller (AgNP) sentezlendi. Sentezlenen gümüş nanopartiküller (AgNP) Fourier Transformİnfrared Spektroskopisi (FT-IR), Ultraviyole/Görünür Işık Absorpsiyon Spektrofotometresi (UV-vis),X-Işını Kırınımı (XRD), Taramalı Elektron Mikroskobu (SEM), Enerji Dağılımlı X-ışını (EDAX) veTermogravimetrik-Difarensiyel Termal Analiz (TGA-DTA) gibi spektroskopik yöntemler kullanılarakaydınlatıldı. Sentezlenen gümüş nanopartiküllerin mikroorganizmalar üzerindeki antimikrobiyalaktiviteleri incelenmiştir.
Citation - WoS: 0
Citation - Scopus: 0
Silver Nanoparticles for Anticancer and Antibacterial Therapy: a Biogenic and Easy Production Strategy
(Wiley-v C H verlag Gmbh, 2025) Baran, Ayşe; Baran, Mehmet Fırat; Baran, Mehmet Firat; Eftekhari, Aziz; Khalilov, Rovshan; Aliyev, Elvin; Smutok, Oleh; Department of Medical Services and Techniques / Tıbbi Hizmetler ve Teknikleri Bölümü
Metal nanoparticles are very valuable products due to their wide range of uses. Among these silver nanoparticles are beneficial products used in many fields, especially in medicine, due to their antibacterial properties. This research aimed to produce silver nanoparticles (Ag NPs) that are both affordable and environmentally friendly. For this purpose, Ag NPs were quickly obtained from domestic waste components of the carrot plant (Daucus carota L.). The UV-vis spectrophotometric, TEM, AFM, FE-SEM, STEM, EDX, XRD, and DLS analyses were performed to determine the properties of the obtained Ag NPs. It has been found that their surface charge is -21.8 mV, with a maximum absorbance at a wavelength of 421.37 nm, spherical appearance, and an average size distribution of 85.41 nm. The anticancer and antibacterial activities of the produced Ag NPs were investigated by MTT and microdilution. The synthesized Ag NPs showed the most significant antimicrobial effect on Pseudomonas aeruginosa ATCC 27833 with microdilution and low concentration. However, they were also determined to be effective on Bacillus subtilis ATCC 11774 and on Candida albicans ATCC 10231 pathogenic strains. In fact, the effective concentrations of Ag NPs on these strains were significantly lower than the antibiotics used. Furthermore, aside from exhibiting a superior anticancer impact on CaCO-2 cancer cells, it was established that Ag NPs also had remarkable efficacy in inhibiting U118 and Skov-3 cancer cells.