Acta Periodica Technologica最新文献_第3页

Biological activities of Mentha spicata L. extracts growing in different geographical regions of Algeria 阿尔及利亚不同地理区域薄荷提取物的生物活性研究

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354177k

Abdelbasset Kaddour, Ahmed Chemsa, Hacen Laouedj, Djilani Amara, Younes Moussaoui, Nezar Cherrada, Abdelmalek Zaater

{"title":"Biological activities of Mentha spicata L. extracts growing in different geographical regions of Algeria","authors":"Abdelbasset Kaddour, Ahmed Chemsa, Hacen Laouedj, Djilani Amara, Younes Moussaoui, Nezar Cherrada, Abdelmalek Zaater","doi":"10.2298/apt2354177k","DOIUrl":"https://doi.org/10.2298/apt2354177k","url":null,"abstract":"By understanding all the components of plants, especially medicinal ones, our goal is to discover plant-derived alternatives to antibiotics. This research aims to contribute to the knowledge of the biological activities Mentha spicata (MS) extracts and their effects under different environmental conditions. Hemolysis, analgesic, anti-inflammatory and antimicrobial activities were estimated of aqueous extracts of Mentha spicata. The results showed that MS El Oued extract protected the erythrocytes from hemolysis, while MS El Taref extract showed a lower protection capability. The results showed high levels of anti-inflammatory activity from plants found in the northeastern region (Tebessa and El Taref) compared to the southeast region (El Oued). They showed that MS El Oued extract exhibited higher analgesic activity (32.46%) compared to MS Tebessa, and MS El Taref extracts (19.48 and 12.97%, respectively). The results showed the antimicrobial activity, the inhibition diameter was between 17.4 - 25mm, and the largest diameter of all extracts was recorded against Aspergillus niger from the MS El Taref extract and the lowest against Staphylococcus aureus from the MS El Oued extract. The MS El Taref extract had the highest levels of activity against Aspergillus niger and Staphylococcus aureus and the MS Tebessa extract had the highest levels against Pseudomonas aeruginosa and Escherichia coli. The activity levels against Candida lipolytica, were found to be equal. In conclusion, the environmental conditions had an influence on the bioactive substances present in the plants. These bioactive substances directly influenced the biological activities of the plant extracts.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136366671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Linear quantitative structure-ecotoxicity relationship modeling of a series of symmetrical triazine derivatives based on physicochemical parameters 基于理化参数的一系列对称三嗪衍生物的线性定量结构-生态毒性关系建模

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354255k

Strahinja Kovacevic, Milica Karadzic-Banjac, Lidija Jevric, Sanja Podunavac-Kuzmanovic

{"title":"Linear quantitative structure-ecotoxicity relationship modeling of a series of symmetrical triazine derivatives based on physicochemical parameters","authors":"Strahinja Kovacevic, Milica Karadzic-Banjac, Lidija Jevric, Sanja Podunavac-Kuzmanovic","doi":"10.2298/apt2354255k","DOIUrl":"https://doi.org/10.2298/apt2354255k","url":null,"abstract":"The present study reports the Quantitative Structure-Ecotoxicity Relationship (QSER) analysis of a series of 21 1,3,5-triazine derivatives based on multiple-linear regression (MLR) method. The ecotoxicity data were estimated by using in silico approach and included the following parameters: acute algae toxicity (AAT), acute daphnia toxicity (ADT), Daphnia Magna LC50 48h/EPA (DMepa) and Daphnia Magna LC50 48h/DEMETRA (DMdemetra). The ecotoxicity data were correlated with molecular descriptors selected by using the stepwise selection method. The considered molecular descriptors are lipophilicity descriptors (CrippenLogP, ALogp2), Autocorrelation Descriptor Mass (ATSm1, ATSm2, ATSm3, ATSm4), Autocorrelation Descriptor Charge (ATSc2), minimum E-states for (strong) hydrogen bond acceptors (minHBa), maximum E-states for (strong) hydrogen bond acceptors (maxHBa), second kappa shape index (Kier2), maximum atom-type E-State: ?:N:? (maxaaN), sum of path lengths starting from nitrogens (WTPT-5) and McGowan characteristic volume (McGowan_Volume). The modeling resulted in four statistically valid MLR models. The models were validated by the internal and external validation approaches. The external validation confirmed high predictive ability of the established MLRs.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136367328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative analysis of the gelling, retrograding and rheological properties of emmer starch compared to other cereal starches 二聚淀粉与其他谷物淀粉的胶凝、退变和流变特性比较分析

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354265d

Mina Dzhivoderova-Zarcheva, Vesela Shopska, Georgi Kostov, Rositsa Denkova-Kostova

{"title":"Comparative analysis of the gelling, retrograding and rheological properties of emmer starch compared to other cereal starches","authors":"Mina Dzhivoderova-Zarcheva, Vesela Shopska, Georgi Kostov, Rositsa Denkova-Kostova","doi":"10.2298/apt2354265d","DOIUrl":"https://doi.org/10.2298/apt2354265d","url":null,"abstract":"In today?s dynamic development of food technologies it becomes necessary to study alternative sources of starch to replace the traditionally used ones. Characteristics such as granule size, gelling properties, retrogradation and rheology are fundamental for the selection of starch in the food industry. The aim of the present study is to investigate the possibilities for application of an emmer starch in food industry by comparing its main properties with two other cereal starches, isolated from rice and wheat. The results showed that the emmer starch had a similar granule size and structure, with increased amylose content as the wheat starch. This was also the reason for the similar gelling and retrograde properties as wheat starch. In terms of retrogradation, the highest results showed emmer starch and the lowest - rice starch. Emmer starch had the lowest onset temperature of gelatinization, and the peak temperature of gelatinization was 76.3?C. The starch gel obtained with emmer starch has the lowest viscosity but the most shear resistance compared to that with wheat and rice starch.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136368296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Az ökoszisztéma-szolgáltatások fenntarthatósági adaptációjának integrált elemzési és értékelési lehetőségei 生态系统服务适应可持续性的综合分析与评估

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.47273/ap.2023.28.41-55

Veronika Magyar, Gergely Zoltán Macher

{"title":"Az ökoszisztéma-szolgáltatások fenntarthatósági adaptációjának integrált elemzési és értékelési lehetőségei","authors":"Veronika Magyar, Gergely Zoltán Macher","doi":"10.47273/ap.2023.28.41-55","DOIUrl":"https://doi.org/10.47273/ap.2023.28.41-55","url":null,"abstract":"Jelen tanulmány célja az ökoszisztéma-szolgáltatások figyelembevételének és integráltságának meghatározása az egyes fenntarthatósági értékelések és nemzetközi összehasonlítások vonatkozásában. Kutatásunkban az Európai Unió tagállamainak környezeti teljesítménye és fenntartható fejlődési stádiuma kerül összehasonlító elemzésre, különös tekintettel arra, hogy ezekben mennyire mutatkozik meg az ökoszisztéma-szolgáltatások adaptációja. A vizsgálat módszertanát egy nemzetközileg is alkalmazott integrálindex kalkulálása adja, melynek előnye, hogy különböző dimenziójú értékek összehasonlítását teszi lehetővé. Cikkünk középpontjában nem az új eredmények kimutatása, hanem a különböző értékelési módszerek harmonizálása áll. Kimutattuk, hogy jelentős eltérések tapasztalhatók az EU-s tagállamok 2012 és 2022 közötti értékeiben. Míg egyes országokban az ökoszisztéma-szolgáltatások figyelembevétele javuló tendenciát követ, addig más országokban 2022-re romló eredmények voltak tapasztalhatók. Eredményeink alapján kijelenthetjük, hogy az ökoszisztéma-szolgáltatások kiaknázása és óvása, valamint a fenntartható fejlődés célkitűzéseinek elérése összehangolást kíván.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135157183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermo gravimetric analysis study of kinematic parameters and statistical analysis for big sheep horn/scapula bone of Indian origin 印度大羊角/肩胛骨运动学参数的热重分析研究及统计分析

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354021p

Arun Patil, Tajammul Mysore, Akshay Kulkarni, Shridhar Mathad, Mallikarjunagouda Patil

引用次数: 0

Dyeing of the woolen knitwear with acid dye 酸性染料对毛织品的染色

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354093k

Sladjana Kapusi, Milena Nikodijevic, Dragan Djordjevic

{"title":"Dyeing of the woolen knitwear with acid dye","authors":"Sladjana Kapusi, Milena Nikodijevic, Dragan Djordjevic","doi":"10.2298/apt2354093k","DOIUrl":"https://doi.org/10.2298/apt2354093k","url":null,"abstract":"The process of woolen knitwear dyeing using acid dye is investigated in this paper. Wool, as a natural protein fiber, is quite costly to produce and process, and thus it is crucial to ensure its economic viability and meet consumer demands. Acid dyes are a popular choice for woolen knitwear dyeing because of their strong coloring properties and ability to bind to the protein fibers in wool. They are usually strongly dyed compounds whose colouring depends on the molecular structure. A woolen knitwear made of 100% extra fine merino wool was used. In this specific study, was used a brand of acid dye called Supramin Blau GW and tested different concentrations and dyeing times to see how they affected the final color of the wool fibers. The dye concentrations were 100, 200, 300, 400, and 500 mg/l. The dyeing time were 5, 10, 15, 25, 35 and 45 minutes. The aqueous dye solution had an electrolyte concentration of 2 g/l of sodium acetate and acetic acid for a pH of 5, while the dyeing temperature was 98?C. The results showed that initial dye concentration and dyeing time increased, resulting in a corresponding increase in the degree of dye exaustion on the wool fibers. A longer dyeing time resulted in a higher degree of dye exhaustion. The Freundlich's and Langmuir's models were used to describe the adsorption process, which gives the relationship between the amount of dye adsorbed on the woolen knitwear and the concentration of dye in the solution. Freundlich's model was better that Langmuir's model for describing the adsorption process because there was very little scatter around the ideal curve and functional straight lines covered most points well. Overall, this study highlights the importance of understanding the factors that influence the dyeing process of woolen knitwear with acid dyes, as it can help ensure that the final product is economically sustainability and meets consumer demands.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136366669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of pretreatment with pentanol for dyeing wool fibers at low temperature 戊醇预处理对羊毛纤维低温染色的影响

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354051n

Milena Nikodijevic, Dragan Djordjevic

{"title":"Effect of pretreatment with pentanol for dyeing wool fibers at low temperature","authors":"Milena Nikodijevic, Dragan Djordjevic","doi":"10.2298/apt2354051n","DOIUrl":"https://doi.org/10.2298/apt2354051n","url":null,"abstract":"This paper describes the influence of pre-treatment with pentanol for the dyeing of wool fibers at low temperatures. Wool fiber is expensive to produce and process; accordingly, it must be economically viable and meet consumer demands. Acid dyes are the most important class of commercial dyes and account for more than half of the dyes in the industry. Isomers of pentanol and alcohols with a longer carbon chain have higher reactivity at low temperatures and lower impact resistance. In the experimental part, the 100% wool fiber was treated in pentanol at a temperature of 20?C for 30 minutes. After pretreatment, samples were dried and relaxed at room temperature for 24 hours. This is followed by dyeing the treated fibers with Supramin blau acid dye. The used dye concentrations were 100, 200, 300, 400, and 500 mg/dm3. The time of dyeing was 5, 10, 20, 30, 40, 50, and 60 minutes. Pretreated wool fibers with pentanol give good results at low temperatures i.e. 40?C. A constant increase in the degree of dye exhaustion on the pretreated wool fiber was observed during the increase in the initial concentration of the dye. A longer dyeing time for pretreated wool results in a higher degree of exhaustion. A pseudo-first-order adsorption model can be used to describe the adsorption process because there is very little deviation around the ideal curve and functional straight lines cover most points.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136366670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Artificial intelligence in prediction of ecotoxicity of a series of s-triazine compounds as potential pesticides 人工智能在一系列s-三嗪类潜在农药生态毒性预测中的应用

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354245k

Milica Karadzic-Banjac, Strahinja Kovacevic, Lidija Jevric, Sanja Podunavac-Kuzmanovic

{"title":"Artificial intelligence in prediction of ecotoxicity of a series of s-triazine compounds as potential pesticides","authors":"Milica Karadzic-Banjac, Strahinja Kovacevic, Lidija Jevric, Sanja Podunavac-Kuzmanovic","doi":"10.2298/apt2354245k","DOIUrl":"https://doi.org/10.2298/apt2354245k","url":null,"abstract":"The elevated levels of pesticides and their residues occur in the environment lately due to increased usage of different agrochemicals. These pesticide residuals enter the human body through water and food. Nowadays different statistics and artificial intelligence tools are employed in order to solve different problems in agricultural science. Artificial neural networks (ANNs) have shown up as a convenient tool in establishing the non-linear mathematical relationships. The ecotoxicity of studied s-triazine pesticides was expressed as acute algae toxicity (AAT) and modeled by the ANN approach. Prior to applying feed forward multilayer perceptron (MLP) neural network with Broyden-Fletcher-Goldfarb-Shanno (BFGS) learning algorithm. The ANN modeling resulted in two networks with the best statistical performance. An excellent correlation was obtained between experimentally observed data and acute algae toxicity predicted data with correlation coefficient higher than 0.9342. Additionally, global sensitivity analysis (GSA) was conducted in order to estimate the influence of all molecular descriptors in the input layer on the networks performance.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136367638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A review on non-metal and metal doped ZnO: Fundamental properties and applications 非金属和金属掺杂氧化锌的研究进展:基本性质和应用

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354277p

Preeti Patil, Basavaraja Sannakki, Shridhar Mathad, E. Veena, Sheela Gandad

引用次数: 0

Kinetic and isotherm evaluation of o-cresol adsorption on activated carbon procured from olive pomace 橄榄渣活性炭吸附邻甲酚的动力学及等温线评价

Acta Periodica Technologica Pub Date : 2023-01-01 DOI: 10.2298/apt2354137c

Salima Choukchou Braham, Zoubida Taleb, Soumia Djeziri, Hadja Djellouli

{"title":"Kinetic and isotherm evaluation of o-cresol adsorption on activated carbon procured from olive pomace","authors":"Salima Choukchou Braham, Zoubida Taleb, Soumia Djeziri, Hadja Djellouli","doi":"10.2298/apt2354137c","DOIUrl":"https://doi.org/10.2298/apt2354137c","url":null,"abstract":"This article aims to apply an activated carbon on the adsorption of o-cresol in an aqueous medium. Our work presents a double environmental aspect: On one hand, a valorization of under-natural products, which is the olive pomace and on the other hand, the study of the adsorbent efficiency of the activated carbon resulting from these cores. Activated carbon is prepared with chemical activation of olive pomace using H3PO4. The characterization of this porous material has shown a specific surface area equal to 651 m2/g with the presence of mesopores. Various parameters influencing the adsorption were optimized, mainly the effect of the contact time, initial concentration of o-cresol and pH of the solution were studied. The experimental results show that the sorption equilibrium is reached within 60 min with an adsorption yields of 83.66%. Indeed, the experimental adsorbed quantity of adsorbent is 3.82 mg/g with o-cresol concentration of 50 mg/L, T = 30?C and pH 2.6 for the better adsorption. The adsorption process was also studied by examining Langmuir, Freundlich, Temkin isotherm, and Dubinin-Radushkevich (D-R) isotherm models. The results revealed that the adsorption system followed the pseudo-second order model and the Freundlich model. Several thermodynamic factors, namely, the standard free energy (?Gads), enthalpy (?Hads), and entropy (?Sads) changes, were also calculated. The results demonstrated that the adsorption process is a physical and endothermic. The obtained results are interesting, and applications on other pollutants, in wastewater are in progress.","PeriodicalId":7021,"journal":{"name":"Acta Periodica Technologica","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136366656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0