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Correction to: Synthesis of novel carbazole hydrazine‑carbothioamide scaffold as potent antioxidant, anticancer and antimicrobial agents 更正为合成新型咔唑肼硫代甲酰胺支架作为强效抗氧化剂、抗癌剂和抗菌剂
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-16 DOI: 10.1186/s13065-024-01274-4
İrfan Çapan, Mohammed Hawash, Mohammed T. Qaoud, Levent Gülüm, Ezgi Nurdan Yenilmez Tunoglu, Kezban Uçar Çifci, Bekir Sıtkı Çevrimli, Yusuf Sert, Süleyman Servi, İrfan Koca, Yusuf Tutar
{"title":"Correction to: Synthesis of novel carbazole hydrazine‑carbothioamide scaffold as potent antioxidant, anticancer and antimicrobial agents","authors":"İrfan Çapan, Mohammed Hawash, Mohammed T. Qaoud, Levent Gülüm, Ezgi Nurdan Yenilmez Tunoglu, Kezban Uçar Çifci, Bekir Sıtkı Çevrimli, Yusuf Sert, Süleyman Servi, İrfan Koca, Yusuf Tutar","doi":"10.1186/s13065-024-01274-4","DOIUrl":"10.1186/s13065-024-01274-4","url":null,"abstract":"","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01274-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142236092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oxindole–benzothiazole hybrids as CDK2 inhibitors and anticancer agents: design, synthesis and biological evaluation 作为 CDK2 抑制剂和抗癌剂的吲哚-苯并噻唑混合物:设计、合成和生物学评价
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-13 DOI: 10.1186/s13065-024-01277-1
Heba T. Abdel-Mohsen
{"title":"Oxindole–benzothiazole hybrids as CDK2 inhibitors and anticancer agents: design, synthesis and biological evaluation","authors":"Heba T. Abdel-Mohsen","doi":"10.1186/s13065-024-01277-1","DOIUrl":"10.1186/s13065-024-01277-1","url":null,"abstract":"<div><p>In the current study, molecular hybridization between the oxindole core and benzothiazole system through an acetohydrazide moiety was accomplished for the design of a new series of oxindole–benzothiazole hybrids <b>9a</b>–<b>r</b> targeting CDK2 for cancer therapy. The afforded hybrids displayed promising growth inhibitory activity on NCI cancer cell lines at 10 µM. Compound <b>9o</b> displayed mean GI% = 55.91%. Based on the potent activity of <b>9o</b>, it was further assessed for its cytotoxic activity at five dose level and it demonstrated GI<sub>50</sub> reaching 2.02 µM. Analysis of the cell cycle of the prostate cancer cell line DU145 after treatment with <b>9o</b> confirmed its ability to arrest its cell cycle at the G1 phase. Moreover, <b>9o</b> proved its ability to potentiate the apoptosis and necrosis of the same cell line. Furthermore, the oxindole–benzothiazole hybrids <b>9b</b>, <b>9f</b> and <b>9o</b> showed IC<sub>50</sub> = 0.70, 0.20 and 0.21 µM, respectively on CDK2. Besides, molecular docking simulation of the synthesized oxindole–benzothiazole hybrid <b>9o</b> proved the expected binding mode which involves the accommodation of the oxindole moiety in the ATP binding pocket where it is involved in hydrogen bonding and hydrophobic interactions with the essential amino acids in the hinge region while the benzothiazole moiety is oriented toward the solvent region. Investigation of the physicochemical properties of the hybrids <b>9a</b>–<b>r</b> highlights their acceptable ADME properties that can be somewhat developed for the discovery of new anticancer agents.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01277-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrosion potential and theoretical studies of fabricated Schiff base for carbidic austempered ductile iron in 1M H2SO4 solution 在 1M H2SO4 溶液中对碳化奥氏体球墨铸铁的希夫碱进行腐蚀电位和理论研究
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-13 DOI: 10.1186/s13065-024-01278-0
Ghalia A. Gaber, Lamiaa Z. Mohamed, Hayam A. Aly, Shimaa Hosny
{"title":"Corrosion potential and theoretical studies of fabricated Schiff base for carbidic austempered ductile iron in 1M H2SO4 solution","authors":"Ghalia A. Gaber,&nbsp;Lamiaa Z. Mohamed,&nbsp;Hayam A. Aly,&nbsp;Shimaa Hosny","doi":"10.1186/s13065-024-01278-0","DOIUrl":"10.1186/s13065-024-01278-0","url":null,"abstract":"<div><p>In this body of work, a chemical known as 2-cyano-N-(4-morpholino benzyl dine) acetohydrazide (CMBAH) is explored for its ability to suppress the carbidic austempered ductile iron (CADI) corrosion in 1M H<sub>2</sub>SO<sub>4</sub>. Density functional theory was used in experiments and theoretical investigations to investigate the inhibiting impact. The corrosion of CADI alloys in 1M H<sub>2</sub>SO<sub>4</sub> produced a corrosion resistance superior to that of CADI heat treatment (H.T.). As-cast carbidic ductile iron (CDI) 4 alloy with 1.5%t Cr-Nb has a corrosion rate (C.R.) of 11.69 mm/year, which drops to 5.31 mm/year at HT-275 °C and 6.13 mm/year at HT-375 °C. When describing the adsorption of inhibitors, the Langmuir adsorption isotherm is the most effective method. The findings of the G<sub>ads</sub> show that the inhibition was induced mainly by the physisorption on the surface CADI alloys. In addition to this, it was found that the results of the experiments and the hypotheses were largely harmonious with one another. The formation of protective layers on the CADI surfaces is also visible in the images captured by the SEM. In 1M H<sub>2</sub>SO<sub>4</sub>, these Schiff base inhibitors effectively prevent corrosion caused by CADI. However, the combination of inhibitors leads to a fine microstructure with ausferrite and narrow ferrite needles, promoting corrosion resistance. The CADI needles rated an upper ausferritic microstructure with wide ferrite needles.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01278-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142191043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A sustainable HPLC method coupled with diode array detection for versatile quantification of telmisartan, chlorthalidone and amlodipine in a fixed-dose antihypertensive formulation and dissolution studies 可持续高效液相色谱法与二极管阵列检测相结合,用于固定剂量降压制剂中替米沙坦、氯沙坦和氨氯地平的多功能定量分析和溶出研究
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-12 DOI: 10.1186/s13065-024-01276-2
Mona A. Kamel, Christine K. Nessim, Adel M. Michael, Samah S. Abbas, Hoda M. Marzouk
{"title":"A sustainable HPLC method coupled with diode array detection for versatile quantification of telmisartan, chlorthalidone and amlodipine in a fixed-dose antihypertensive formulation and dissolution studies","authors":"Mona A. Kamel,&nbsp;Christine K. Nessim,&nbsp;Adel M. Michael,&nbsp;Samah S. Abbas,&nbsp;Hoda M. Marzouk","doi":"10.1186/s13065-024-01276-2","DOIUrl":"10.1186/s13065-024-01276-2","url":null,"abstract":"<div><p>Cardiovascular diseases, especially hypertension, stand as prominent contributors to global mortality. Hypertension, often referred to as a silent killer syndrome, necessitates the use of multiple medications for effective control and management. A new environmentally friendly HPLC–DAD method is introduced in this study for the concurrent analysis of telmisartan (TEL), chlorthalidone (CHT) and amlodipine besylate (AML), in both pure forms and combined pharmaceutical dosage form. An isocratic elution mode was employed to achieve chromatographic separation, utilizing an Inertsil C<sub>18</sub> column (250 × 4.6 mm, 5.0 µm) and a mobile phase mixture of acetonitrile and phosphate buffer (pH 3.0 ± 0.1) with ratio of 35:65, v/v. The separation was achieved within 10 min at a flow rate of 1.0 mL/min. The proposed method's validation was carried out following the guidelines outlined by the International Council for Harmonisation (ICH). The achieved linearity range was 1.0–140.0 μg/mL for TEL and 1.0–100.0 μg/mL for CHT and AML with quantification limits of 0.061, 0.177, and 0.313 μg/mL for TEL, CHT, and AML, respectively. The fixed combination tablet dosage form demonstrated acceptable release profile, as indicated by the in-vitro dissolution studies. The studied dissolution media were phosphate buffer pH 7.5, 0.01 N HCl, and water, utilizing a USP type II apparatus at 37 ± 0.5 °C with a stirring rate of 75 rpm. The proposed method was applied successfully for the quality assessment of Telma-ACT® Tablets with good precision and accuracy. Various tools were used for evaluating the level of greenness, including Green Analytical Procedure Index (GAPI), Analytical Greenness Metric for Sample Preparation (AGREEprep), Analytical Eco-Scale (AES), and Analytical Method Greenness Score (AMGS). These tools had confirmed the eco-friendliness of the proposed method. Additionally, the newly introduced White Analytical Chemistry (WAC), and the Blue Applicability Grade Index (BAGI) have been specifically developed to evaluate the sustainability and the applicability of the method.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01276-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142169814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solubility and thermodynamic analysis of aceclofenac in different {Carbitol + water} mixtures at various temperatures 不同温度下醋氯芬酸在不同{卡必醇+水}混合物中的溶解度和热力学分析
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-12 DOI: 10.1186/s13065-024-01287-z
Faiyaz Shakeel, Ramadan Al-Shdefat, Mohammad A. Altamimi, Usama Ahmad
{"title":"Solubility and thermodynamic analysis of aceclofenac in different {Carbitol + water} mixtures at various temperatures","authors":"Faiyaz Shakeel,&nbsp;Ramadan Al-Shdefat,&nbsp;Mohammad A. Altamimi,&nbsp;Usama Ahmad","doi":"10.1186/s13065-024-01287-z","DOIUrl":"10.1186/s13065-024-01287-z","url":null,"abstract":"<div><p>The solubility and thermodynamic properties of the anti-inflammatory drug aceclofenace (ACF) have been assessed in a range of {2-(2-ethoxyethoxy)ethanol (Carbitol) + water} combinations at temperatures ranging from 298.2 K to 318.2 K and atmospheric pressure of 101.1 kPa. The shake flask method was employed to determine the solubility of ACF, and various models including “van’t Hoff, Apelblat, Buchowski-Ksiazczak <i>λh</i>, Yalkowsky-Roseman, Jouyban-Acree, and Jouyban-Acree-van’t Hoff models” were used to validate the results. The computational models demonstrated a strong correlation with the experimental ACF solubility data, as indicated by the error values of &lt; 3.0%. In the compositions of {Carbitol + water}, the ACF mole fraction solubility was enhanced by temperature and Carbitol mass fraction. The solubility of ACF in mole fraction was found to be lowest in pure water (1.07 × 10<sup>− 6</sup> at 298.2 K), and highest in pure Carbitol (1.04 × 10<sup>− 1</sup> at 318.2 K). Based on the positive values of the calculated thermodynamic parameters, the dissolution of ACF was determined to be “endothermic and entropy-driven” in all of the {Carbitol + water} solutions that were studied. It was also observed that enthalpy controls the solvation of ACF in solutions containing {Carbitol + water}. ACF-Carbitol had the strongest molecular interactions in contrast to ACF-water. Based on the results of this study, Carbitol holds significant potential for enhancing the solubility of ACF in water.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01287-z","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the role of topological descriptors to predict physicochemical properties of anti-HIV drugs by using supervised machine learning algorithms 利用监督机器学习算法探索拓扑描述符在预测抗艾滋病毒药物理化性质方面的作用
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-12 DOI: 10.1186/s13065-024-01266-4
Wakeel Ahmed, Shahid Zaman, Eizzah Asif, Kashif Ali, Emad E. Mahmoud, Mamo Abebe Asheboss
{"title":"Exploring the role of topological descriptors to predict physicochemical properties of anti-HIV drugs by using supervised machine learning algorithms","authors":"Wakeel Ahmed,&nbsp;Shahid Zaman,&nbsp;Eizzah Asif,&nbsp;Kashif Ali,&nbsp;Emad E. Mahmoud,&nbsp;Mamo Abebe Asheboss","doi":"10.1186/s13065-024-01266-4","DOIUrl":"10.1186/s13065-024-01266-4","url":null,"abstract":"<div><p>In order to explore the role of topological indices for predicting physio-chemical properties of anti-HIV drugs, this research uses python program-based algorithms to compute topological indices as well as machine learning algorithms. Degree-based topological indices are calculated using Python algorithm, providing important information about the structural behavior of drugs that are essential to their anti-HIV effectiveness. Furthermore, machine learning algorithms analyze the physio-chemical properties that correspond to anti-HIV activities, making use of their ability to identify complex trends in large, convoluted datasets. In addition to improving our comprehension of the links between molecular structure and effectiveness, the collaboration between machine learning and QSPR research further highlights the potential of computational approaches in drug discovery. This work reveals the mechanisms underlying anti-HIV effectiveness, which paves the way for the development of more potent anti-HIV drugs. This work reveals the mechanisms underlying anti-HIV efficiency, which paves the way for the development of more potent anti-HIV drugs which demonstrates the invaluable advantages of machine learning in assessing drug properties by clarifying the biological processes underlying anti-HIV behavior, which paves the way for the design and development of more effective anti-HIV drugs.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01266-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spectrofluorimetric determination of tapinarof via Zn (II) complexation and assessment of its topical dosage application 通过锌(II)络合测定他匹那罗夫的光谱荧光测定法及其外用剂量评估
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-10 DOI: 10.1186/s13065-024-01271-7
Hesham Salem, Mahmoud A. Abdelmajed, Hoda Madian, Nadeen Emad, Sara Osama, Amir Ata, Ebtihal Samir
{"title":"Spectrofluorimetric determination of tapinarof via Zn (II) complexation and assessment of its topical dosage application","authors":"Hesham Salem,&nbsp;Mahmoud A. Abdelmajed,&nbsp;Hoda Madian,&nbsp;Nadeen Emad,&nbsp;Sara Osama,&nbsp;Amir Ata,&nbsp;Ebtihal Samir","doi":"10.1186/s13065-024-01271-7","DOIUrl":"10.1186/s13065-024-01271-7","url":null,"abstract":"<div><p>Topical tapinarof is used to treat plaque psoriasis (a skin disease in which red and scaly patches form are appeared on some areas of the body). The goal of the current research is to establish a facile and rapid fluorimetric technique for tapinarof analysis. The approach relied on the reaction between the drug and zinc ion through metal complexation to produce a highly-fluorescent product. The fluorescence was further enhanced by adding sodium dodecyl sulfate, and it was observed at 542 nm following excitation at 497 nm. With a correlation coefficient of 0.9997, the association between emission intensity and tapinarof concentration was linear between 2.0 and 120 ng mL<sup>−1</sup>. 1.021 ng mL<sup>−1</sup> was the quantitation limit while 0.366 ng mL<sup>−1</sup> was the detection limit. The buffer type, pH and concentration, type of surfactant and concentration, and finally the diluting solvent were among the reaction conditions that were closely examined and it was found that the optimum conditions were obtained upon employing teorell-stenhagen buffer optimized at pH 6.0, 1.38 × 10<sup>–2</sup> M SDS and distilled water as a solvent are the suitable choice. With great precision and reliability, the drug under study was quantified using this method in ointment formulations. The proposed method's level of greenness was assessed using two methodologies: the analytical greenness metric (AGREE) and the Green Analytical Procedure Index (GAPI), with good recovery results ensuring high efficiency of the proposed approach on analysis of ointment without any interference from additives and excipients.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01271-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142160141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of green synchronous spectrofluorimetric approach for facile sensitive estimation of two co-administered anti-cancer drugs; curcumin and doxorubicin in their laboratory-prepared mixtures, human plasma, and urine 研究绿色同步光谱荧光法,以方便灵敏地估算两种联合用药的抗癌药物;姜黄素和多柔比星在实验室制备的混合物、人体血浆和尿液中的含量
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-09 DOI: 10.1186/s13065-024-01272-6
Diaa Dagher, Heba Elmansi, Jenny Jeehan Nasr, Nahed El-Enany
{"title":"Investigation of green synchronous spectrofluorimetric approach for facile sensitive estimation of two co-administered anti-cancer drugs; curcumin and doxorubicin in their laboratory-prepared mixtures, human plasma, and urine","authors":"Diaa Dagher,&nbsp;Heba Elmansi,&nbsp;Jenny Jeehan Nasr,&nbsp;Nahed El-Enany","doi":"10.1186/s13065-024-01272-6","DOIUrl":"10.1186/s13065-024-01272-6","url":null,"abstract":"<div><p>Recently, phytochemicals play an important role in cancer management. Curcumin (CUR), a natural phytochemical, has been co-administered with widespread chemotherapeutic agents such as doxorubicin (DOX) due to its excellent antitumor activity and the ability to lower the adverse reactions and drug resistance cells associated with DOX use. The present study aims to determine DOX and CUR utilizing a label-free, selective, sensitive, and precise synchronous spectrofluorimetric method. The obvious overlap between the emission spectra of DOX and CUR prevents simultaneous estimation of both analytes by conventional spectrofluorimetry. To solve such a problem, synchronous spectrofluorimetric measurements were recorded at Δλ = 20 nm, utilizing ethanol as a diluting solvent. Curcumin was recorded at 442.5 nm, whereas DOX was estimated at 571.5 nm, each at the zero-crossing point of the other one. The developed method exhibited linearity over a concentration range of 0.04–0.40 μg/mL for CUR and 0.05–0.50 μg/mL for DOX, respectively. The values of limit of detection (LOD) were 0.009 and 0.012 µg/mL, while the values of limit of quantitation (LOQ) were 0.028 and 0.037 µg/mL for CUR and DOX, respectively. The adopted approach was carefully validated according to the guidelines of ICH Q<sub>2</sub>R<sub>1</sub>. The method was utilized to estimate CUR and DOX in laboratory-prepared mixtures and human biological matrices. It showed a high percentage of recoveries with minimal RSD values. Additionally, three different tools were utilized to evaluate the greenness of the proposed approach.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01272-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142160143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laser enhanced photothermal effect of silver nanoparticles synthesized by chemical and green method on Gram-positive and Gram-negative bacteria 化学法和绿色法合成的银纳米粒子对革兰氏阳性菌和革兰氏阴性菌的激光增强光热效应
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-09-03 DOI: 10.1186/s13065-024-01263-7
Elham M. Mostafa, Y. Badr, Marwa A. Ramadan, Mohamed M. M. Hashem, Khaled Abo-El-Sooud, Heba N. Deif, Amna H. Faid
{"title":"Laser enhanced photothermal effect of silver nanoparticles synthesized by chemical and green method on Gram-positive and Gram-negative bacteria","authors":"Elham M. Mostafa,&nbsp;Y. Badr,&nbsp;Marwa A. Ramadan,&nbsp;Mohamed M. M. Hashem,&nbsp;Khaled Abo-El-Sooud,&nbsp;Heba N. Deif,&nbsp;Amna H. Faid","doi":"10.1186/s13065-024-01263-7","DOIUrl":"10.1186/s13065-024-01263-7","url":null,"abstract":"<div><h3>Purpose</h3><p>The antibacterial properties of silver nanoparticles (AgNPs) are extensively identified. In large quantities, they might be harmful. So many fields of nanotechnology have shown a great deal of interest in the development of an environmentally friendly, efficient method for synthesizing metal nanoparticles. Because of its antibacterial and antifungal properties toward a wide range of microbes, chitosan silver nanoparticles (AgNPs@Cs) constitute a newly developing class of bio-nanostructured hybrid materials. Furthermore, the use of photothermal therapy (PTT) has been suggested as a means of elimination of germs. These light-stimulated treatments are minimally invasive and have a few side effects. In the present work, the antibacterial effect of AgNPs at low concentrations; prepared by chemical and green methods as antimicrobial and photothermal agents in photothermal therapy; with laser irradiation were explored as combined treatment against MRSA, <i>Pseudomonas aeruginosa</i>, and <i>Klebsiella pneumoniae</i>.</p><h3>Methods</h3><p>Silver nanoparticles were produced in two ways. First, by sodium borohydrides, second, by chitosan (as a natural eco-friendly reducing, and capping agent). The nanostructure of AgNPs and AgNPs@Cs was confirmed by UV–visible spectrometer, transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIRs), and direct light scattering (DLS). The antibacterial activity of the prepared nanoparticles and the laser irradiation was tested against three bacterial species of zoonotic importance; MRSA, <i>Pseudomonas aeruginosa</i>, and <i>Klebsiella pneumoniae;</i> and was evaluated by measuring their minimum inhibitory concentrations (MIC).</p><h3>Results</h3><p>Silver nanoparticles produced by the two methods had spherical shapes with nearly the same particle size. The analysis of DLS showed that AgNPs were very stable with zeta potential − 28.8 mv, and 47.7 mv by chemical and chitosan synthesis, respectively. Furthermore, AgNPs@Cs showed higher antibacterial activity toward the tested bacterial species than AgNPs by chemical method. Additionally, the bacterial viability using photothermal laser therapy was reduced compared to laser and AgNPs alone. The bactericidal activities were higher when laser diode was coupled with AgNPs@Cs than by chemical reduction.</p><h3>Conclusion</h3><p>The laser combined treatment had a higher antimicrobial effect than AgNPs alone or laser irradiation alone.</p></div>","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01263-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142123086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and PASS-assisted evaluation of new heterocyclic compounds containing hydroquinoline scaffolds 含氢喹啉支架的新杂环化合物的合成和 PASS 辅助评估
IF 4.3 2区 化学
BMC Chemistry Pub Date : 2024-08-29 DOI: 10.1186/s13065-024-01267-3
Gizachew Mulugeta Manahelohe, Khidmet Safarovich Shikhaliev
{"title":"Synthesis and PASS-assisted evaluation of new heterocyclic compounds containing hydroquinoline scaffolds","authors":"Gizachew Mulugeta Manahelohe,&nbsp;Khidmet Safarovich Shikhaliev","doi":"10.1186/s13065-024-01267-3","DOIUrl":"10.1186/s13065-024-01267-3","url":null,"abstract":"&lt;div&gt;&lt;p&gt;Currently, there is a growing interest in the synthesis of heterocyclic compounds containing hydroquinoline fragments. This surge can be attributed to the broad range of pharmaceutical and industrial applications that these compounds possess. In this study, the synthesis of both linear and fused heterocyclic systems that incorporate hydroquinoline fragments was described. Furthermore, the pharmacological activity spectra of the synthesized compounds were predicted using the in silico method, employing the Prediction of Activity Spectra of Substances (PASS) program. Hydroquinolines containing the nitrile functionality &lt;b&gt;7&lt;/b&gt; and &lt;b&gt;8&lt;/b&gt; were synthesized through the reaction of the corresponding hydroquinolinecarbaldehyde &lt;b&gt;5a&lt;/b&gt;,&lt;b&gt; 6b&lt;/b&gt; with hydroxylamine hydrochloride and iodine in aqueous ammonia under ambient conditions, respectively. 2-Phenyl-1,3-oxazol-5(4 H)-ones &lt;b&gt;9a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; and &lt;b&gt;10a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; were synthesized via the condensation of compounds &lt;b&gt;5a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; and &lt;b&gt;6a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; with hippuric acid in acetic acid in 30–60% yield. When the methyl activated 7-methylazolopyrimidines &lt;b&gt;11a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; were reacted with N-alkyl-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline-6-carbaldehydes &lt;b&gt;6a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt;, 60–70% yield of triazolo/pyrazolo[1,5-a]pyrimidin-6-yl carboxylic acids &lt;b&gt;12a&lt;/b&gt;,&lt;b&gt; b&lt;/b&gt; were obtained. The condensation of 7-hydroxy-1,2,3,4-tetramethyl-1,2-dihydroquinoline &lt;b&gt;3 h&lt;/b&gt; with dimethylacetylenedicarboxylate (DMAD) and ethyl acetoacetate afforded cyclic products &lt;b&gt;16&lt;/b&gt; and &lt;b&gt;17&lt;/b&gt;, respectively. The condensation reaction of 6-formyl-7-hydroxy-1,2,2,4-tetramethyl-1,2-dihydroquinoline &lt;b&gt;5e&lt;/b&gt; with methylene-active compounds such as ethyl cyanoacetate/dimethyl-3-oxopentanedioate/ethyl acetoacetate/diethylmalonate/Meldrum’s acid afforded 3-substituted coumarins &lt;b&gt;19&lt;/b&gt; and &lt;b&gt;21&lt;/b&gt; containing dihydroquinoline moiety. The pentacyclic coumarin &lt;b&gt;22&lt;/b&gt; was obtained via the tandom condensation reaction of malononitrile with &lt;b&gt;5e&lt;/b&gt; in the presence of a catalytic amount of piperidine in ethanol. The biological activities of the synthesized compounds were predicted using the PASS program. Based on the prognosis, compounds &lt;b&gt;13a&lt;/b&gt;, &lt;b&gt;b&lt;/b&gt;, and &lt;b&gt;14&lt;/b&gt; exhibited a high likelihood of being active as inhibitors of gluconate 2-dehydrogenase, as well as possessing antiallergic, antiasthmatic, and antiarthritic properties, with a probability value (Pa) ranging from 0.849 to 0.870. Furthermore, it was discovered that compounds &lt;b&gt;7&lt;/b&gt; and &lt;b&gt;8&lt;/b&gt; tended to act as effective progesterone antagonists and displayed antiallergic, antiasthmatic, and antiarthritic effects (Pa = 0.276–0.827). Among the hydroquinolines containing coumarin moieties, compounds &lt;b&gt;17&lt;/b&gt;, &lt;b&gt;19a&lt;/b&gt;, and &lt;b&gt;19c&lt;/b&gt; were predicted to be potent progesterone antagonists, with Pa values of 0.710, 0.630, and 0.615, respectively.&lt;/p&gt;&lt;h3&gt;Graphical Abstract&lt;/h3&gt;&lt;div&gt;&lt;figure&gt;&lt;div&gt;&lt;div&gt;&lt;picture&gt;&lt;source&gt;&lt;img&gt;&lt;/source&gt;&lt;/p","PeriodicalId":496,"journal":{"name":"BMC Chemistry","volume":"18 1","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://bmcchem.biomedcentral.com/counter/pdf/10.1186/s13065-024-01267-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142091157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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