Acay, Hilal

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https://hdl.handle.net/20.500.12514/6950
Name Variants
Acay, H.
Acay, Hilal
Job Title
Doçent
Email Address
hilalacay@gmail.com
Main Affiliation
Department of Nutrition and Dietetics/ Beslenme ve Diyetetik Bölümü
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Website
ORCID ID
0000-0002-7732-106X
Scopus Author ID
25622914400
Turkish CoHE Profile ID
60275
Google Scholar ID
4WrLArIAAAAJ
WoS Researcher ID
HJP-9121-2023

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ZERO HUNGER
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GENDER EQUALITY
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6

CLEAN WATER AND SANITATION
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13

CLIMATE ACTION
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10

REDUCED INEQUALITIES
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16

PEACE, JUSTICE AND STRONG INSTITUTIONS
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8

DECENT WORK AND ECONOMIC GROWTH
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LIFE ON LAND
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GOOD HEALTH AND WELL-BEING
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INDUSTRY, INNOVATION AND INFRASTRUCTURE
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LIFE BELOW WATER
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AFFORDABLE AND CLEAN ENERGY
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11

SUSTAINABLE CITIES AND COMMUNITIES
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RESPONSIBLE CONSUMPTION AND PRODUCTION
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1

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22

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436

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Scholarly Output

34

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27

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2

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WoS Citation Count

180

Scopus Citation Count

330

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8

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12

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3

WoS Citations per Publication

5.29

Scopus Citations per Publication

9.71

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20

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JournalCount
Applied Ecology and Environmental Research3
Medicine Science2
International Journal of Environmental Analytical Chemistry2
Journal of the Turkish Chemical Society, Section A: Chemistry2
Preparative Biochemistry & Biotechnology2
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Now showing 1 - 10 of 34
  • Thumbnail Image
    Article
    Citation - WoS: 22
    Citation - Scopus: 25
    Determination of Antimicrobial and Toxic Metal Removal Activities of Plant-Based Synthesized (capsicum Annuum L. Leaves), Ecofriendly, Gold Nanomaterials
    (Wiley-v C H verlag Gmbh, 2020) Baran, Mehmet Firat; Acay, Hilal; Keskin, Cumali
    Nanoparticles are valuable materials with widespread use. The fact that these materials are obtained by biological resources with an environmentally friendly method contributes to the development of studies in this field. Gold nanoparticles (AuNPs) from waste vegetable sources (green leaves of Capsicum annum L.) are economically and easily synthesized. The obtained particles are characterized by UV-vis spectroscopy (UV-vis), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscopy (SEM) analysis. The antimicrobial activity of the particles on the pathogenic microorganisms Escherichia coli ATCC 25922, Staphylococcus aureus ATCC 29213, Bacillus subtilis bacteria, and Candida albicans yeast are found to have a significant suppressive effect. The removal activities of eight toxic metals (Pd, Cd, Fe, Ni, Co, Mn, Zn, Pb) in Diyarbakir drinking water and artificially prepared water within different pHs are investigated. Gold nanoparticles synthesized from Capsicum annuum L. leaves are found to be effective in toxic metal removal in water samples.
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    Master Thesis
    Pleurotus Ostreatus Ekstratı Kullanarak Sentezlenen Nanopartiküllerin Antimikrobiyal Aktivitelerinin Araştırılması
    (2024) Polat, Elif; Acay, Hilal
    Gıda patojenlerinin azaltılmasına yönelik biyolojik kontrol stratejilerine yönelik küresel vurgu, geleneksel antimikrobiyal ajanların insan sağlığı üzerindeki etkilerine ilişkin endişeler ve mikrobiyal direncin artan zorluğu nedeniyle konuyla ilgili çalışmalar yoğunluk kazanmıştır. Bu zorluklara yanıt olarak nanoteknolojik müdahalelerde dikkate değer bir potansiyel bulunan, yeniden değerlendirilen yaklaşımlar ortaya çıkmaktadır. Bu çalışma, Pleurorus ostreatus ekstraktı (PO), Gümüş-(Ag) Kitosan (K) kullanılarak, etkili, düşük maliyetli, sürdürülebilir ve toksik olmayan, çevre dostu AgPOK nanomateryalinin sentezlenmesine odaklanmaktadır. Sentezlenen AgPOK nanomateryalinin karakterizasyonu Fourier Dönüşümü Kızılötesi Spektroskopisi (FTIR), Taramalı Elektron Mikroskobu (SEM), Termogravimetrik Analiz (TGA), X-ışını Kırınımı (XRD) ve zeta potansiyeli ölçümleri gibi analitik teknikler kullanılarak yapıldı. 237.4 nm buyutunda olan negatif yüklü AgPOK nanomateryalinin fitopatojenik türler, Penicillium expansum, Alternaria alternata, Aspergillus niger, ve Fusarium oxysporum karşı antifungal etkinliği, Escherichia coli ,Staphylococcus aureus'a karşı antibakteriyel etkinliği ayrıca Candida albicans'a karşı anticandidal etkinliği araştırıldı. Veriler, PO ve AgPOK 'nın çalışmada kullanılan patojenler üzerinde ciddi antimikrobiyal etkisi olduğunu ancak bu etkinin farklılıklar gösterdiğini göstermektedir.Patojenik türlerin çeşitliliğinden kaynaklandığı düşünülen bu farklılıklar nedeniyle PO ve AgPOK'nın birçok gıda patojeni üzerinde de etkili olabileceği düşünülmektedir.
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    Article
    Citation - Scopus: 1
    The interaction methylene blue and glutathione-S-transferase purified from human erythrocytes
    (Journal of Planar Chromatography - Modern TLC, 2020) Acay, Hilal; Uzan, Serhat; Baran, Mehmet Fırat; Bilden, Alican; Aygün, Hüsamettin
    It is known that textile dyes have various risks on human health. Glutathione-S-transferase enzymes play a critical role in the detoxification of xenobiotics in living systems. This study aimed to examine the interaction of methylene blue with human erythrocyte glutathione-S-transferase purified in one step. Human erythrocyte glutathione-S-transferase was purified with approximately 750-fold purification and 30% efficiency by glutathione agarose affinity chromatography. The results showed that the enzyme was inhibited by methylene blue with an IC50 value of 1.40 mmol/L. The Ki constant of methylene blue was 1.17 mmol/L. The Lineweaver–Burk graph of the methylene blue showed that the type of inhibition was compatible with mixed type inhibition. A new third spot was also detected by thin-layer chromatography. Furthermore, the cytotoxicity of methylene blue on human erythrocytes was evaluated and it was found that the haemolysis per cent of methylene blue on erythrocytes was approximately 14%.
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    Article
    Citation - Scopus: 1
    Utilization of edible mushroom for nanomaterial-based bioactive material development
    (Iranian Journal of Materials Science and Engineering, 2021) Acay, Hilal; Yıldırım, Ayfer; Baran, Ayşe
    Gold nanoparticles (AuNP) were synthesized using edible mushroom Russula delica (RD) in this study. Possibilities to evaluate these synthesized nanoparticles (RD-AuNPs) as bioactive substances were investigated. Characterization of synthesized RD-AuNPs were characterized via UV-vis, XRD, FTIR, EDX. In a spherical view, RD-AuNPs with a crystal size of 34.76 nm were synthesized. As a result, fungal systems used for nanomaterial biosynthesis as an effective alternative to chemical synthesis can be used in different biotechnological and medical applications. RD-AuNPs produced by green synthesis can be evaluated in this context.
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    Article
    Citation - Scopus: 23
    Methylene Blue and Malachite Green Dyes Adsorption Onto Russula Delica/Bentonite
    (Elsevier Ltd, 2025) Yildirim, A.; Acay, H.
    In the current research Russula delica mushroom/bentonite clay (RDBNC) as a low-cost bionanosorbent was investigated for adsorption of methylene blue (MB) and malachite green (MG) dye from contaminated water. The bionanosorbent was characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), Scanning electron microscopy (FESEM), Thermal Gravimetric Analysis (TGA), and Zeta-potential techniques. Adsorption experiments of RDBNC for MB, MG dyes following Freundlich isotherm and pseudo second order kinetic models. To determine their effects on the adsorption efficiency, the adsorption parameters were investigated including dye concentration, contact time, temperature, and dosage of the bionanosorbent. The adsorption process can operate through three primary mechanisms: the π–π interaction, the hydrogen bonding, and electrostatic interactions between the surface of RDBNC and MB, MG dyes. Desorption results revealed that MB and MG dyes were effectively desorbed during the fourth cycle without a notable loss in adsorption capacity. The thermodynamics parameters including ΔH, ΔS, and ΔG, were determined, and the adsorption process was favorable, spontaneous, and exothermic for MB and MG. The results showed that RDBNC, which showed effective inhibition at low concentrations, especially against E. coli, can be used as a low-cost bionanosorbent synthesised for the first time to remove industrial dyes. © 2024 The Authors
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    Article
    Citation - WoS: 10
    Citation - Scopus: 14
    The antioxidant and anti-apoptotic potential of Pleurotus eryngii extract and its chitosan-loaded nanoparticles against doxorubicin-induced testicular toxicity in male rats
    (Wiley, 2021) Erdem Güzel, Elif; Kaya Tektemur, Nalan; Tektemur, Ahmet; Acay, Hilal; Yıldırım, Ayfer
    This study was conducted to evaluate the protective role of Pleurotus eryngii extract (PE) and Pleurotus eryngii extract-loaded chitosan nanoparticles (PE-CSNP) against doxorubicin (DOX)-induced testicular toxicity in rats. Male rats were divided into six groups: control (DMSO/ethanol), PE (200 mg/kg PE), PE-CSNP (30 mg/kg PECSNP), DOX (10 mg/kg DOX, a single dose, i.p), DOX+PE (10 mg/kg DOX+200 mg/ kg PE) and DOX+PE-CSNP (10 mg/kg DOX+30 mg/kg PE-CSNP). PE and PE-CSNP were administered by oral gavage every other day for 21 days. DOX-treated rats showed histopathological impairment compared with the control group. There was an increase in the apoptotic index, caspase 3 (CASP3), BCL2-associated X apoptosis regulator (BAX), dynamin-related protein 1 (DRP1) expression and total oxidative status (TOS) in the DOX group, while mitofusin-2 (MFN2), total antioxidative status (TAS) and serum testosterone levels of the DOX group reduced when compared with the other groups. PE and PE-CSNP treatments provided significant protection against DOX-induced oxidative stress by reducing TOS levels and increasing TAS levels. CASP3, BAX, apoptotic index and DRP1-MFN2 expressions were restored by PE and PE-CSNP. However, the PE-CSNP showed higher antioxidant and anti-apoptotic efficacy compared with PE. Thus, our results provide evidence that CSNP and PE could synergistically have a potent antioxidant and anti-apoptotic therapy against DOX-induced testicular damage in male rats.
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    Article
    Pleurotus Eryngii Ekstraktının Sprague-Dawley Sıçanlarında Adriamisin Kaynaklı Kardiyotoksisite Üzerindeki Etkilerinin İncelenmesi
    (Dicle Tıp Dergisi, 2021) Erdem Güzel, Elif; Kaya Tektemur, Nalan; Tektemur, Ahmet; Acay, Hilal; Yıldırım, Ayfer
    Amaç: Adriamisin (ADR), kanser tedavilerinde kullanılan güçlü ve geniş spektrumlu bir antibiyotiktir. Fakat ADR’nin klinik etkinliği, doza bağlı kardiyotoksisitesi nedeniyle engellenmektedir. Bu nedenle çalışmada ADR uygulanan sıçanların kalp dokularında meydana gelen değişiklikler üzerine Pleurotus eryngii ekstraktının (PEE)’nin koruyucu etkisinin incelenmesi amaçlanmıştır. Yöntemler: Sprague-Dawley cinsi erkek sıçanlar 4 eşit gruba ayrıldı (n=6). Kontrol grubuna DMSO/etanol çözeltisi oral gavaj yolu ile gün aşırı verildi. ADR grubuna 10 mg/kg ADR intraperitoneal (i.p) olarak tek doz uygulandı. ADR+PEE grubuna 10 mg/kg i.p tek doz ADR verildikten sonra DMSO/etanol içinde çözdürülen 200 mg/kg PEE oral gavaj yoluyla gün aşırı verildi. PEE grubuna oral gavaj ile DMSO/etanolde çözdürülen 200 mg/kg PEE gün aşırı verildi. 21.günün sonunda sıçanlar dekapite edildi. Dekapitasyonun ardından kalp dokuları çıkarılarak histolojik ve kantitatif RT-PCR analizleri yapıldı. Bulgular: ADR grubuna ait kalp dokularında inflamatuar hücre artışı, miyofibril kaybı, sitoplazmik vakuolizasyon ve vasküler konjesyon bulgularına rastlanıldı. PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.Dekapitasyonun ardından kalp dokuları çıkarılarak histolojik ve kantitatif RT-PCR analizleri yapıldı. Bulgular: ADR grubuna ait kalp dokularında inflamatuar hücre artışı, miyofibril kaybı, sitoplazmik vakuolizasyon ve vasküler konjesyon bulgularına rastlanıldı. PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.Dekapitasyonun ardından kalp dokuları çıkarılarak histolojik ve kantitatif RT-PCR analizleri yapıldı. Bulgular: ADR grubuna ait kalp dokularında inflamatuar hücre artışı, miyofibril kaybı, sitoplazmik vakuolizasyon ve vasküler konjesyon bulgularına rastlanıldı. PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.ADR grubuna ait kalp dokularında inflamatuar hücre artışı, miyofibril kaybı, sitoplazmik vakuolizasyon ve vasküler konjesyon bulgularına rastlanıldı. PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.ADR grubuna ait kalp dokularında inflamatuar hücre artışı, miyofibril kaybı, sitoplazmik vakuolizasyon ve vasküler konjesyon bulgularına rastlanıldı. PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.PEE tedavisinin bu histopatolojik bulgularda iyileşmeye neden olduğu gözlendi. Ayrıca ADR grubunda kontrol grubuna kıyasla IL1-β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir artış olduğu izlendi. ADR+PEE grubunda ise ADR grubuna kıyasla IL-1β immunoreaktivitesinde ve IL1-β, BAX, Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.Kaspaz-3 mRNA seviyelerinde anlamlı bir azalma olduğu belirlendi. Sonuç: ADR’ye bağlı kardiyotoksisitede PEE tedavisinin anti-apoptotik ve anti-inflamatuar özellikleri ile kardiyoprotektif etki gösterdiği ortaya koyuldu.
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    Article
    Citation - WoS: 1
    Citation - Scopus: 1
    Effect of pleurotus Ostreatus Water Extract Consumption on Blood Parameters and Cytokine Values in Healthy Volunteers
    (Routledge Journals, Taylor & Francis Ltd, 2024) Dundar, Abdurrahman; Yalcin, Pinar; Arslan, Nurgul; Acay, Hilal; Hatipoglu, Abdulkerim; Boga, Mehmet; Yaprak, Bulent
    Objective: Our aim in this study is, does 29-day regular consumption of Pleurotus ostreatus water extract by volunteer individuals who meet the study criteria have an effect on blood and cytokine values? Method: In accordance with the purpose of the study, volunteers were asked to consume 100 ml of the extract every morning for 29 days. Three tubes of blood samples were taken from the volunteers on the 15th and 29th days of the study. Biochemical and hematological analysis of the blood samples were performed and immunomodulatory effects through cytokines were examined. The values obtained from 3 tubes of blood obtained from volunteers before the use of mushroom extract were used as control. The chemical composition and beta-glucan content of 100 ml of mushroom water extract were also analyzed. Result: IL-4, IL-6, IL-10 and IL-13 could not be detected because the values were below the lowest standard value. TNF-alpha, IFN-gamma and IL-1 beta 15th and 29th day values decreased compared to the 1st day (control) values (p < 0.05). However, there was no significant difference observed between the 15th and 29th day. No abnormalities were observed in biochemical and hematological values. Also, the beta-glucan content of extract was found 38.12 mg/100 ml. Conclusion: The frequency range of kidney and liver function test results confirmed that P. osreatus is a reliable food source. Considering the cytokine values these results indicate that P. ostreatus water extract has an anti-inflammatory effect. As no significant difference was observed in 29 days of use, it is thought that 15 days of daily consumption of the extract may be sufficient for the anti-inflammatory effect to occur. However, a large number of qualified clinical trials are needed to support the issue.
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    Book Part
    Citation - Scopus: 9
    Applications of Biodegradable Green Composites
    (Springer Nature, 2021) Yildirim, A.; Acay, H.
    Materials called biodegradable green composites consisting of matrices and reinforcers made entirely from natural resources are macro-, micro-, or nano-sized materials that can fulfill desired mechanical and thermal properties as well as being light. Producing natural polymers with good mechanical properties and thermal stability has attracted the attention of many researchers. The use of this material through a variety of mixtures and composites has become more and more popular as raw materials are limited and there is more concern about greener material that is environmentally friendly. Therefore, materials made from renewable sources such as biocompatible/biodegradable polymers can dominate the future by replacing the petroleum raw material. However, more efforts are needed to achieve better properties of the renewable polymer blend and composites and also to address the deficiencies of this new material. To do this, a basic understanding of renewable material types, structures, properties, and potential applications as needed. The study covers the application areas of biodegradable green composites. The stated application areas can be literature support for the rapid development of biodegradable composites at the request of researchers, manufacturers, and consumers for environmentally friendly products. © 2021, Springer Nature Singapore Pte Ltd.
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    Article
    Determination of Antioxidant and cytotoxic activities of king oyster mushroom mediated AgNPs synthesized with environmentally friendly methods
    (Medicine Science, 2020) Acay, Hilal; Baran, Mehmet Fırat
    Synthesizing nanoparticles (NPs) using wild edible fungi with environmentally friendly synthesis methods is more preferred because of the advantages it provides. The fact that its synthesis is easy, economical, non-toxic and has a wide range of uses increases the interest in this subject. The aim of this study was to determine the antioxidant and cytotoxic activity of biomolecular synthesized Pleurotus eryngii silver nanoparticles (PE-AgNPs) against human prostate carcinoma (PC-3), human cervix (HeLa) and breast carcinoma (MCF-7) cells. PE-AgNPs showed significant cytotoxic activity against HeLa, PC-3, MCF-7 cell lines, and also dimethyl sulfoxide solvents of PE-AgNPs applied for their metal chelating activity, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging capacity and antioxidant activity using the β-carotene linoleate model system. Biosynthetic PE-AgNPs were found to inhibit the proliferation of PC-3, HeLa and MCF-7 cells with IC50 values of 2.185, 46.594 and 6.169 µg / ml, respectively, during a 24-hour incubation period. With the parallel of increasing concentration (1, 2, 5, 10 mg/mL) the activities were also increased at all the tests studied. At 10 mg/ml antioxidant activities were 82%, 85% and 77% for chelation of ferrous ions reducing power, DPPH scavenging and β-carotene linoleate tests respectively. The results show that PE-AgNPs may contribute to the development of a suitable anticancer drug that can lead to a new development of nanoparticles for cancer treatment. It also appears to be advantageous to use nanotechnology and green chemistry to improve the existing therapeutic properties of P.eryngii.