Chemical Papers最新文献

{"title":"Retraction Note: The effect of oxidation pretreatment of polymer template on the formation and catalytic activity of Au/PET membrane composites","authors":"Ilya V. Korolkov, Daryn B. Borgekov, Anastassiya A. Mashentseva, Olgun Güven, Ayse Bakar Atıcı, Artem L. Kozlovskiy, Maxim V. Zdorovets","doi":"10.1007/s11696-024-03865-w","DOIUrl":"10.1007/s11696-024-03865-w","url":null,"abstract":"","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"613 - 613"},"PeriodicalIF":2.2,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Anti-proliferative activity of dithiocarbamate salts: Synthesis and in vitro study","authors":"Ghina’a Abu Deiab, Ali Hmedat, Mohammad El-khateeb, Lubna Tahtamouni, Lama Quraan, Mai AlSakhen, Nour Alabbas, Joman Aldhirat, Wamidh Talib","doi":"10.1007/s11696-024-03843-2","DOIUrl":"10.1007/s11696-024-03843-2","url":null,"abstract":"","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"133 - 133"},"PeriodicalIF":2.2,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Determination of glucose oxidase activity of flour additive by fluorescence quenching method","authors":"Na Dong,&nbsp;Aiju Zhang,&nbsp;Xingde Dai,&nbsp;Xiaolin Zhang,&nbsp;Fangzhen He","doi":"10.1007/s11696-024-03848-x","DOIUrl":"10.1007/s11696-024-03848-x","url":null,"abstract":"<div><p>Glucose oxidase can catalyze the reaction of glucose to produce hydrogen peroxide, and hydrogen peroxide reacts with excess I⁻ anions in dilute sulfuric acid solution to form I₃⁻. The I₃⁻ combines with Rhodamine 6G to form association which result in fluorescence quenching. Effect of glucose oxidase on fluorescence of Rhodamine 6G, a new method with high sensitivity and good selectivity for the determination of glucose oxidase activity, was established. Under the optimal conditions, the linear range of the method is 1.0 × 10^–4–1.0 × 10^–1 U/mL, and the detection limit is 9.0 × 10^–5 U/mL. This assay was applied to the determination of glucose oxidase activity in the food additives samples with satisfactory results; the recoveries obtained were 96.67–99.00%.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"599 - 605"},"PeriodicalIF":2.2,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of phenolic, flavonoid, total antioxidant, and anthocyanin contents of various colored hawthorn fruits for their potential as functional foods","authors":"Gülay Çiftci,&nbsp;İrem Çelebi,&nbsp;Furkan Ümit","doi":"10.1007/s11696-024-03850-3","DOIUrl":"10.1007/s11696-024-03850-3","url":null,"abstract":"<div><p>One of the wild fruit species that stands out for its diverse applications is hawthorn (<i>Crataegus spp.</i>). Hawthorn is valued as a medicinal plant due to its bioactive substances, such as flavonoids, phenolic compounds, and antioxidants. Additionally, it has become increasingly popular for fresh consumption in recent years. The aim of the study was to determine the functional food potential of fresh hawthorn fruits with assessing their phenolic, flavonoid, anthocyanin, and antioxidant capacities. The study material consisted of fresh hawthorn (<i>Crataegus</i> spp.) fruits that reached optimum maturity and naturally grew in the autumn season in Çorum province, Turkey. The fruits were randomly collected from 10 different sources at the same maturity period and divided into two different colors (yellow–Group 1 and orange–Group 2). Phenol compounds, total flavonoid, total antioxidant levels, anthocyanin, and ascorbic acid amounts of hawthorn fruits were determined by the Folin–Ciocalteu method, aluminum chloride method, Rel Assay brand commercial kits, pH differential method, and the spectrophotometric method, respectively. Fresh hawthorn fruits of two different colors at optimum maturity were analyzed. Orange hawthorn (Group 2) exhibited higher phenol and total flavonoid levels compared to yellow hawthorn (Group 1). However, tannin content of Group 2 was lower, but this difference was not statistically significant (<i>P</i> &gt; 0.05). Ascorbic acid concentration was significantly lower in orange hawthorn (Group 2) compared to yellow hawthorn (Group 1) (<i>P</i> &lt; 0.05). Anthocyanin levels were higher in orange hawthorn (Group 2) compared to yellow hawthorn (Group 1) (<i>P</i> &gt; 0.05). Similarly, total antioxidant capacity was higher in orange hawthorn (Group 2) than in yellow hawthorn (Group 1) (<i>P</i> &gt; 0.05). Correlation analysis revealed a significant positive correlation between phenolic content and total antioxidant status (TAS) (r = 0.828**) and between flavonoids and TAS (r = 0.750**). Additionally, there was a significant positive correlation between flavonoids and TAS (r = 0.818**). A significant negative correlation was found between ascorbic acid and anthocyanins (r = − 0.467*). The results indicate that fresh hawthorn fruits of different colors, at the same ripeness stage, contain compounds that can provide significant health benefits. Due to their high levels of total phenolics, flavonoids, anthocyanins, total antioxidants, and ascorbic acid, these fruits could be utilized in the development of functional foods.</p></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"575 - 581"},"PeriodicalIF":2.2,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Investigation of the structural, electronic, magnetic, mechanical, and optical properties of calcium-based CaJO3 (J = Mn, Ru) perovskites: A first-principle computations","authors":"Muhammad Shoaib Khan,&nbsp;Mohammad Sohail,&nbsp;Nasir Rahman,&nbsp;Rajwali khan,&nbsp;Haitham E. Ali,&nbsp;Johar Jamil,&nbsp;Barno Sayfutdinovna Abdullaeva,&nbsp;Khamael M. Abualnaja,&nbsp;Ghaida Alosaimi,&nbsp;Yasmin Khairy,&nbsp;Hamed Algarni","doi":"10.1007/s11696-024-03833-4","DOIUrl":"10.1007/s11696-024-03833-4","url":null,"abstract":"","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"107 - 107"},"PeriodicalIF":2.2,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Preparation of biofunctionalized silver nanoparticles using Clerodendrum glandulosum leaf extract for evaluation of its antibacterial efficacy","authors":"Manmata Dhara,&nbsp;Rubina Khatun,&nbsp;Aditi Mondal,&nbsp;Nazia Kausar,&nbsp;Supriya Mandal,&nbsp;Junaid Jibran Jawed,&nbsp;Mohd Afzal,&nbsp;Abdulla Al Masum","doi":"10.1007/s11696-024-03834-3","DOIUrl":"10.1007/s11696-024-03834-3","url":null,"abstract":"","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"609 - 609"},"PeriodicalIF":2.2,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnetic modified montmorillonites as potential sorbent phases: characterization and sorption of triazine herbicides","authors":"Danieli S. Hakoyama,&nbsp;Michele C. W. Silvério,&nbsp;Luis Fernando A. Batista,&nbsp;Vander F. Melo,&nbsp;Marco T. Grassi,&nbsp;Gilberto Abate","doi":"10.1007/s11696-024-03839-y","DOIUrl":"10.1007/s11696-024-03839-y","url":null,"abstract":"<div><p>In the present work, montmorillonite (Mt) from two different sources was modified by a one-pot method based on the oxidative polymerization of aniline using Fe₂(SO₄)₃ and magnetite formation by coprecipitation. The magnetic materials were used for the concentration and extraction of six triazine pesticides from aqueous solutions by magnetic solid-phase extraction, and their quantification was done by liquid chromatography–diode array detection. The starting and modified materials were subjected to different characterizations, and the composite formation was confirmed by the modification of the chemical groups present in the mineral phases and their different morphologies. Under optimal sorption conditions, the sorption values obtained for magnetic Mt (MMt) and magnetic Mt-K10 (MMt-K10) were above 80% for all compounds, except hexazinone. The best results were observed for ametryn (96%) on MMt and simazine (95%) on MMt-K10. Based on the results, it can be noted that the low-cost magnetic modified materials demonstrated a very satisfactory sorption of the selected triazines, which present a wide range of polarity. This could allow the development of cheaper analytical methods, with sustainable sorbents, for the quantification of more polar contaminants in aqueous matrices.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"593 - 598"},"PeriodicalIF":2.2,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Celebrating 50 years of the Bílik reaction: history and present","authors":"Zuzana Hricovíniová","doi":"10.1007/s11696-024-03825-4","DOIUrl":"10.1007/s11696-024-03825-4","url":null,"abstract":"<div><p>Epimerization reactions catalyzed by transition metals have changed the previous methods used in the synthesis of rare carbohydrates. In July 2024, we commemorated the 95th anniversary of the birth of Prof. Vojtech Bílik, the discoverer of a new reaction in the synthesis of rare carbohydrates. Over fifty years ago, many sugars were generally prepared by the Lobry de Bruyn–Alberda van Ekenstein isomerization reaction, which was the simplest method for a long period. However, this approach was not very efficient and the epimeric aldose was usually obtained in lower yield than the ketose. A new methodology introduced by Bílik in the 1970′s showed that the synthesis of epimeric aldoses mediated by the molybdenum Mo(VI) catalyst could significantly improve the preparation of rare aldoses without undesirable side reactions. Due to the simplicity and high efficiency of the reaction, the stereospecific Mo(VI)-catalyzed transformation of aldoses was used for preparative purposes and soon gained international recognition. The Mo(VI)-catalyzed epimerization reaction of aldoses was named after its discoverer, and it is the only reaction in the chemical literature of carbohydrates named after a Slovak scientist. On this anniversary, we take the opportunity to summarize the scientific achievements in this field of research.</p></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"75 - 83"},"PeriodicalIF":2.2,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11696-024-03825-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143107827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In vitro and in silico insights into the soybean 15-lipoxygenase inhibition with a new C-geranylated chalcone-based flavanone","authors":"Raaginie Tamil Segaran,&nbsp;Mohd Fadhlizil Fasihi Mohd Aluwi,&nbsp;Kok Wai Lam,&nbsp;Khozirah Shaari,&nbsp;Mazura Md Pisar,&nbsp;Siti Nur Aisyah Mohd Hashim,&nbsp;Syahrul Imran,&nbsp;Chean Hui Ng","doi":"10.1007/s11696-024-03820-9","DOIUrl":"10.1007/s11696-024-03820-9","url":null,"abstract":"<div><p>2,4,6-trihydroxy-3-geranylacetophenone (tHGA) is an important molecule found in <i>Melicope pteleifolia</i> and has been reported to exhibit numerous pharmacological activities including LOX inhibition. As part of our continuing effort to search for new 15-sLOX inhibitor with better in vitro efficacies, a <i>C</i>-geranylated chalcone-based flavanone (8) was synthesized via facile Friedel–Crafts acylation followed by direct <i>C</i>-alkylation. The synthesized flavanone was assayed for its <i>in-vitro</i> inhibition against soybean 15-lipoxygenase (15-sLOX); and predicted for its pharmacodynamic and pharmacokinetic properties using docking simulation, SwissADME and PreADMET server. Results indicated that direct <i>C</i>-alkylation on chalcone intermediate using potassium carbonate as base catalyst was possible to establish the conditions that favor the isomerization of chalcone into flavanone. The synthesized flavanone (8) showed better LOX inhibitory activity (IC₅₀: 1.02 ± 0.15 µM) when compared to our previously reported parent compound tHGA (1, IC₅₀: 23.6 ± 1.7 µM) and its chalcone-based analogue (2, IC₅₀: 15.2 ± 1.2 µM). The (<i>R</i>) enantiomer of flavanone (8) showed a good dock score ( −9.97 kcal/mol) which interacts with the target enzyme through one hydrogen bonding, and one hydrophobic interaction with iron-binding amino acid (His 499). Molecular dynamics simulation with 100 ns refined and confirmed the docking study result, and the stability of the complex was verified based on root-mean-square deviation (RMSD), root-mean-square-fluctuation (RMSF), and protein–ligand interaction analyses. The (<i>R</i>) enantiomer of flavanone (8) showed stable hydrophobic and hydrophilic contacts in the active site. This study provides insights into the 15-sLOX inhibitory profile of a <i>C</i>-geranylated chalcone-based flavanone with an electron withdrawing substituents (-F-) at ring B as potent lead.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"583 - 591"},"PeriodicalIF":2.2,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of enzymeless dopamine sensor with poly(1-naphthylamine)-supported reduced graphene oxide nanocomposite-modified carbon paste electrode","authors":"Femina Kanjirathamthadathil Saidu,&nbsp;Alex Joseph,&nbsp;George Vazhathara Thomas","doi":"10.1007/s11696-024-03767-x","DOIUrl":"10.1007/s11696-024-03767-x","url":null,"abstract":"<div><p>This article presents a remarkable achievement in the field of biosensing by demonstrating the development of a novel biosensor for dopamine (DA) utilizing poly(1-naphthylamine) PNA nanofiber-supported reduced graphene oxide (RGO) sheets. The preparation of the PNA-RGO nanocomposites was achieved through in situ chemical oxidative polymerization, and their structural, thermal, electrical, and electrochemical properties were investigated by utilizing advanced techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The results of these investigations established a strong correlation between RGO content and the properties of the nanocomposites. The thermogravimetric analysis (TGA) validated the enhanced thermal stability of the nanocomposites compared to pristine PNA. The electrochemical oxidation of DA was shown to be significantly faster over the PNA-RGO-modified carbon paste electrode (CPE) compared to pristine PNA, owing to the superior conductivity and charge transfer characteristics of the PNA-RGO nanocomposites. The sensing efficacy of the PNA-RGO-based DA sensor was evaluated using differential pulse voltammetry (DPV) current response against dopamine concentration in neutral buffer. The results demonstrated a linear current response within the concentration range of 1–100 μM and an impressive detection limit of 0.11 µM M (S/N = 3). Furthermore, the sensor exhibited high sensitivity (1997 μA mM⁻¹ cm⁻²), good stability, and acceptable selectivity toward DA with minimal interference from ascorbic acid (AA) and uric acid (UA). This study highlights the potential of PNA-RGO/CPE as a simple and cost-effective sensor for the sensitive and selective quantification of DA, providing a promising outcome for future research in this field.</p></div>","PeriodicalId":513,"journal":{"name":"Chemical Papers","volume":"79 1","pages":"181 - 192"},"PeriodicalIF":2.2,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}