Article
Chemistry, Physical
Mohamed Rashad, Saloua Helali, Shams Issa, Saleh Al-Ghamdi, Marwah Alsharif, Ahmed Obaid Alzahrani, Mohamed Sobhi, Antoaneta Ene, Alaa M. Abd-Elnaiem
Summary: Zinc sulfide (ZnS) nanoparticles were synthesized using the chemical precipitation method. The structural parameters of the ZnS were investigated using X-ray diffraction, Raman spectroscopy, and scanning electron microscopy. The synthesized ZnS nanoparticles showed promising adsorption efficiency for Congo red (CR) dye, and the intraparticle diffusion kinetic model was found to be the best fit among the tested models.
Article
Chemistry, Multidisciplinary
Ahmed Hamd, Asmaa Ragab Dryaz, Mohamed Shaban, Hamad AlMohamadi, Khulood A. Abu Al-Ola, Nofal Khamis Soliman, Sayed A. Ahmed
Summary: The newly synthesized ZAS composite showed significantly higher adsorption capacity for removing anionic dyes from industrial wastewater at lower dye concentrations.
Article
Chemistry, Applied
Nasser A. Alamrani, Hatem A. AL-Aoh
Summary: The novel adsorbent prepared from Teucrium polium L. leaf powder showed good adsorption capacity for Cong red, with factors such as temperature, concentration, adsorbent mass, time, and pH all contributing positively to the adsorption performance. Among the kinetic and isotherm models, the 2nd order and Langmuir models were the most effective. Additionally, varying maximum adsorption capacities were achieved at different temperatures, indicating a spontaneous and heat absorbing adsorption process.
ADSORPTION SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Physical
Yu Liu, Ying Gan, Cong Zhao, Maoqiong Xie, Dongxu Gu, Shirong Shuai, Hongyu Zhu, Jianyuan Hao
Summary: Polyethyleneimine-modified magnetite (Fe3O4@PEI) with excellent stability within a wide pH range in aqueous solution was synthesized in one-step coprecipitation, and showed highly efficient adsorption of anionic dye CR.
SURFACE INNOVATIONS
(2022)
Article
Environmental Sciences
Nahar Sachin, Nahar Singh, Kalpit Shah, Biplob Kumar Pramanik
Summary: This study synthesized pure and doped zinc oxide (ZnO) nanoparticles and investigated their adsorption capabilities for removing toxic dyes. The results showed that Mn-doped ZnO had the highest adsorption efficiency for congo red (CR) dye. The study also found that Van der Waal interactions, H-bonding, and electrostatic interaction were the mechanisms responsible for dye removal.
ENVIRONMENTAL RESEARCH
(2023)
Article
Engineering, Chemical
Ning Zhao, Qiyi Ma, Yanfu Wei, Shun Wang, Xuemin Zhong, Guanzheng Zhuang, Peng Yuan
Summary: In this study, a novel method for loading aggregation-prone Co3O4 onto sepiolite was proposed to enhance tetracycline adsorption. The highly dispersed Co3O4 was successfully anchored on the sepiolite grooves via Si-OH, as confirmed by XRD, TEM, and FTIR analyses. The Co3O4-Sep composite exhibited an ultra-high sorption capacity for tetracycline and retained its adsorption capacity even in the presence of competing ions and under strongly acidic or alkaline conditions.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Biotechnology & Applied Microbiology
Peyman Koohi, Ahmad Rahbar-kelishami, Hadi Shayesteh
Summary: In this study, the adsorption of congo red using Fe3O4/NiO magnetic nanocomposites was investigated, with the Langmuir model showing the best fit. Results indicated that Fe3O4/NiO nanocomposites have high efficiency and low equilibrium time for CR removal.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Engineering, Chemical
Da Chen, Zhengfeng Xie, Hao Ye, Wei Li, Wei Shi, Yucheng Liu
Summary: Single-use polystyrene poses a significant environmental threat, but using chemical conversion to create carbon material adsorbents offers a potential solution for recycling and recovering dyes from water.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Mohamed A. Farghali, Abdelfattah M. Selim, Hanem F. Khater, Noha Bagato, Walaa Alharbi, Khadijah H. Alharbi, Ibrahim Taha Radwan
Summary: This study examined the adsorption effectiveness of MgAl-layered double hydroxide (MgAl-LDH) nanosorbents on Congo red (CR) dye in aqueous solutions. The adsorption parameters and physicochemical characteristics of the synthesized MgAl-LDH were investigated, and the results showed rapid adsorption and high adsorption capacity for the CR dye.
ARABIAN JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Physical
Gabriela Rodriguez-Arellano, Juan Barajas-Fernandez, Ricardo Garcia-Alamilla, Laura Mercedes Lagunes-Galvez, Antonio Hilario Lara-Rivera, Pedro Garcia-Alamilla
Summary: The study evaluated the adsorption capacity of cocoa bean shell powder as a bioadsorbent for Congo red dye in an aqueous medium. Using a 2(4) central factorial design, the process successfully maximized dye adsorption, achieving a validation of 95.79%.
Article
Environmental Sciences
Antons Podjava, Arturs Zarins, Liga Avotina, Karlis Shvirksts, Larisa Baumane, Dzintra Arija Rasmane, Mara Grube, Gunta Kizane
Summary: This study explores the possibility of using sheep wool as an adsorbent for the removal of harmful dyes from wastewater. The results show that non-irradiated sheep wool has excellent adsorption capacity, making it suitable for wastewater treatment.
WATER AIR AND SOIL POLLUTION
(2022)
Article
Environmental Sciences
Madhulika Narayan, Rajkumar Sadasivam, Gopinath Packirisamy, Saravanan Pichiah
Summary: This study reported the development of a nanofibrous biosorbent composed of polyacrylonitrile and Moringa oleifera for the removal of Congo red dye from aqueous solution. The biosorbent exhibited high adsorption capacity and can be effectively used for dye removal.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Agricultural Engineering
Zepeng Liu, Jie Zhang, Liping Zhang, Ying Guan, Hao Ji, Yu Zhang, Hui Gao
Summary: Modified biochar derived from Medulla Tetrapanacis showed great potential in wastewater treatment. The modification greatly increased the specific surface area of the biochar, resulting in high adsorption capacity for organic dyes in wastewater. The results provided a basis for the practical application of modified biochar.
BIORESOURCE TECHNOLOGY
(2023)
Article
Agricultural Engineering
Zepeng Liu, Yueyao Hu, Jie Zhang, Ying Guan, Liping Zhang, Ping Ye, Tongtong Zhang, Xingyu Huang, Meng Wang, Hui Gao
Summary: This study proposes a novel approach to synthesize adsorbents with excellent physicochemical properties and green synthetic routes for efficient removal of Congo red wastewater. By co-modification with urea/calcium chloride, biochar NCBC obtained from Medulla Tetrapanacis was synthesized. NCBC exhibits a large surface area and a micro-mesoporous composite structure, with higher nitrogen content in comparison to directly modified biochar. The active sites on NCBC were found to be homogeneous and primarily bind to CR through chemisorption. Additionally, the practicality of NCBC was proven through the cultivation of Nelumbo nucifera Gaertn. and Penicillium.
BIORESOURCE TECHNOLOGY
(2023)
Article
Chemistry, Physical
Ajmal Koya Pulikkal, Nirban Laskar, Jamsheera Anjudikkal
Summary: Garlic peel (GP) was chemically modified with sodium carbonate and hydrochloric acid to serve as a low-cost bio-adsorbent for Congo red (CR) removal. The adsorbent was characterized and the impact of different adsorption settings on CR removal efficiency was studied. The results showed that sodium carbonate-treated garlic peel (Na2CO3-GP) was effective in adsorbing CR.
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Gulay Bayramoglu, Bekir Salih, M. Yakup Arica
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
(2020)
Article
Engineering, Chemical
Gulay Bayramoglu, Gul Kunduzcu, Mehmet Yakup Arica
POLYMER ENGINEERING AND SCIENCE
(2020)
Article
Chemistry, Analytical
Gulay Bayramoglu, Haci Mehmet Kayili, Merve Oztekin, Bekir Salih, M. Yakup Arica
Article
Environmental Sciences
Gulay Bayramoglu, Mehmet Yakup Arica
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2020)
Article
Chemistry, Applied
Gulay Bayramoglu, M. Yakup Arica
Summary: In this study, macroporous poly(HEMA-GMA) cryogels with modified epoxy groups were prepared for efficient adsorption and purification of lysozyme. The strong and weak cation exchange cryogels exhibited high adsorption capacities for lysozyme, with the former achieving 188.3 mg/g cryogel at 25°C. The cationic cryogel showed promising results in repeated adsorption-desorption processes, maintaining its high efficiency and capacity for lysozyme purification from egg-white.
Article
Engineering, Chemical
Gulay Bayramoglu, Aydin Akbulut, Mehmet Yakup Arica
Summary: HRP was successfully immobilized on a gel for the degradation of Direct Blue-6 dye, with significant results. The loading amount and activity of HRP were evaluated, along with toxicity testing and algal growth studies, showing a significant decrease in toxicity of the degradation products after enzyme treatment.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2021)
Article
Chemistry, Physical
Gulay Bayramoglu, M. Yakup Arica
Summary: Regenerated cellulose films were functionalized and modified to improve dye removal efficiency, showing high adsorption capacities under different conditions and potential for wastewater treatment.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Chemistry, Analytical
Omur Celikbicak, Gulay Bayramoglu, Ilkay Acikgoz-Erkaya, Mehmet Yakup Arica
Summary: The study found that the native and DABSA attached Lentinus concinnus biomasses showed significantly increased uranium ion adsorption capacity at 25 degrees C. The negative Delta G degrees values indicated that the adsorption process was spontaneous, mainly attributed to amine, carboxyl, and sulfate groups identified by ATR-FTIR data.
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2021)
Article
Biotechnology & Applied Microbiology
Ilkay Acikgoz-Erkaya, Gulay Bayramoglu, Aydin Akbulut, Mehmet Yakup Arica
Summary: In this study, biodiesel was synthesized from algae oil extracted from a hot spring water algae Kamptonema formosum. The conversion yield reached 91.2%, demonstrating the effectiveness of this method. The algae oil was found to be rich in 16 and 18 carbon long-saturated and unsaturated fatty acids, which are suitable for biodiesel synthesis.
BIOTECHNOLOGY AND BIOPROCESS ENGINEERING
(2021)
Article
Chemistry, Applied
Gulay Bayramoglu, Omur Celikbicak, Murat Kilic, M. Yakup Arica
Summary: Magnetic chitosan beads grafted with polydopamine were used to immobilize Candida rugosa lipase, leading to improved thermal and storage stability compared to the free enzyme. The immobilized lipase showed significant changes in catalytic properties and high conversion rates in esterification reactions, indicating its potential for various biotechnological applications.
Article
Chemistry, Physical
Gulay Bayramoglu, Selin Burcu Angi, Ilkay Acikgoz-Erkaya, Mehmet Yakup Arica
Summary: In this study, various green biosorbents based on Oscillatoria princeps biomass were developed for dye removal from wastewaters. The modified algal biomasses showed enhanced biosorption capacities for Reactive Red 120 dye compared to the native algal biomass, and the biosorption process was governed by hydrogen bonding, ion exchange, electrostatic, and pi-pi interactions. The biosorbents also displayed good regeneration capabilities, making them promising for practical applications in wastewater treatment.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Analytical
Ali D. Dursun, Baris A. Borsa, Gulay Bayramoglu, M. Yakup Arica, Veli C. Ozalp
Summary: A Surface Plasmon Resonance (SPR) aptasensor was developed for the sensitive detection of Brucella melitensis in milk samples. By using aptamers with high affinity and specificity, the aptasensor enables quick and efficient purification and detection of Brucella melitensis contamination in milk samples. The integration of a magnetic isolation step and SPR technology allows for instant and reliable detection of Brucella melitensis.
Article
Chemistry, Applied
Gulay Bayramoglu, Murat Kilic, M. Yakup Arica
Summary: In this study, magnetic chitosan beads and quartz crystal microbalance chip were decorated with lysozyme specific aptamer for efficient isolation and detection of lysozyme. The developed sensor system enables label-free, concentration-dependent, and selective detection of lysozyme with high sensitivity.
Article
Biotechnology & Applied Microbiology
Gulay Bayramoglu, Murat Kilic, Mehmet Yakup Arica
Summary: Tramates trogii biomass was immobilized in carboxymethyl cellulose-lignin composite beads cross-linked with Fe(III) ions for the adsorption and degradation of bisphenol A (BPA). The maximum adsorption capacity of the immobilized biomass was higher than that of the free fungal biomass. The degradation rates of BPA were high for both the free biomass and the immobilized biomass.
Article
Food Science & Technology
Gulay Bayramoglu, Ayse Gul Cimen, M. Yakup Arica
Summary: A second polymer layer was spontaneously grafted onto the surface of polydopamine-coated magnetic particles using dia-minopolyethylene glycol without the need for an activating agent. The immobilized fi-galactosidase showed higher thermal stability and a higher optimal temperature compared to the free enzyme. The apparent Km and Vmax values for the immobilized enzyme were slightly higher than those of the free enzyme. The immobilized fi-galactosidase retained 94% of its activity after 96 hours of continuous operation in lactose hydrolysis.
INTERNATIONAL DAIRY JOURNAL
(2023)