Alexandria Science Exchange Journal最新文献_第3页

Social Variables Affecting the Reproductive Behavior of Rural Women in Some of Villages Sohag Governorate 影响索哈格省部分村庄农村妇女生育行为的社会变量

Alexandria Science Exchange Journal Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.340491

Ftian Ali, Mohamed Nasr Kabak Omar, Soha Ibrahem Mohamed, Rabab Selim ElSerafy

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A Study of some Factors Affecting Sustainable and Unsustainable Consumption Patterns of Rural Women "A Case Study in The Villages of Al-Muneera And Tanida in the New Valley Governorate" 影响农村妇女可持续和不可持续消费模式的一些因素的研究："新山谷省 Al-Muneera 村和 Tanida 村案例研究"

Alexandria Science Exchange Journal Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.345641

Sara Hendy

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Effect of Water Stress and Salicylic Acid on the Growth and Oil Yield of Ocimum basilicum L. Plant in Newly Reclaimed Land 水胁迫和水杨酸对新开垦土地上欧芹植物的生长和产油量的影响

Alexandria Science Exchange Journal Pub Date : 2024-03-31 DOI: 10.21608/asejaiqjsae.2024.341919

A.H.M. El-Naggar, D. M. Badawy, M. R. Hassan, E. Shaban

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An Analytical Study of the Impact of Agricultural Policies on the Cotton Crop in Egypt (Field Study in Beni Suef Governorate) 农业政策对埃及棉花作物影响的分析研究（贝尼苏夫省实地考察）

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.346324

Amal Abd elhamed mohamed, Asmaa Abd Elrhman Mahmoud

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The Residents’ Perception of the Obstacles and Prospects Facing Alexandria's Maritime and Coastal Tourism 居民对亚历山大海洋和沿海旅游业面临的障碍和前景的看法

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.342396

Noura Saad

{"title":"The Residents’ Perception of the Obstacles and Prospects Facing Alexandria's Maritime and Coastal Tourism","authors":"Noura Saad","doi":"10.21608/asejaiqjsae.2024.342396","DOIUrl":"https://doi.org/10.21608/asejaiqjsae.2024.342396","url":null,"abstract":"This research aimed to study the residents’ perception of the obstacles and prospects facing Alexandria's maritime and coastal tourism. Several the following sub-objectives can help achieve this goal: 1-Studying some the respondents' personal, Socio-economic characteristics. 2-A study of residents’ perception regarding an Egyptian marine and coastal tourism strategy. 3-A study of the residents’ perception of competitiveness—boosting the competitiveness of coastal and marine travel. 4-A study of the residents’ perception of sustainability—the expansion of sustainable tourism in coastal and maritime areas. 5-A study of the perception and character of Alexandria's coastline and maritime areas were enhanced by the respondents' thoughts. Research data were collected from 745 respondents using a personal interview questionnaire . The results show that the respondents have an excellent understanding of coastal and maritime tourism. Non-beach tourism activities were among the most relevant tourism initiatives aimed at developing the marine and coastal economies in Alexandria, which leads to a competitive and sustainable economy at the same time. The most important obstacles to the competitiveness of the coastal and marine tourism sub-sector were those related to seasonality, sustainability, and innovation. The necessity of having a plan that protects the natural and physical environments was also given a high priority by the respondents. Finally, the research presented several recommendations, including establishing monitoring programs and indicators, enhancing communication between different disciplines,","PeriodicalId":7560,"journal":{"name":"Alexandria Science Exchange Journal","volume":"8 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140361296","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

Economic Study for Maize Yield in Egypt 埃及玉米产量经济研究

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.343289

Ahmed Gerish, Bassant A. A. Abdou

引用次数: 0

Modification of Lignin Polymers with COMT Anti-Sense Gene in the Jatropha curcas L. by Green Biotechnology Tools 利用绿色生物技术工具用 COMT 反义基因修饰麻风树的木质素聚合物

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.346752

Heba Krosh, Hossam El-wakil, Ahmed Khaled, Manal Abdel-Rahman

{"title":"Modification of Lignin Polymers with COMT Anti-Sense Gene in the Jatropha curcas L. by Green Biotechnology Tools","authors":"Heba Krosh, Hossam El-wakil, Ahmed Khaled, Manal Abdel-Rahman","doi":"10.21608/asejaiqjsae.2024.346752","DOIUrl":"https://doi.org/10.21608/asejaiqjsae.2024.346752","url":null,"abstract":"Lignin, a complex aromatic polymer, is considered a part of the secondary cell wall. Also, it's called a \"cell adhesive\" based on provides strength and rigidity to plant tissues and fibers through strong cross-linking with cell wall components. Moreover, lignin acts as a line of defense for plants against biotic and abiotic stresses. In the field of plant biotechnology, particle bombardment remains the most important technique to directly transfer DNA from source to target organ and the most widely used method to generate transgenic plants for commercial purposes. Down-regulation of Jatropha curcas's lignin-producing caffeic acid 3-O-methyltransferase (COMT) gene production pathway led the transgenic plants to develop cell walls. The transgene COMT antisense is used as a selection marker pZMAS-COMT 10,907 bp plasmid (University of Illinois) to confer resistance to glufosinate herbicides under the 35S promoter. Irradiation of embryonic callus with bullet particles introduced the COMT antisense gene and reduced the amount of lignin. Transgenic green callus was used to extract DNA, RNA, and PCR & RT-PCR were performed to detect the presence of genes. A positive sharp band appeared in the green callus, indicating that the gene expression level was downregulated compared to the control. Transgenic shoots and green callus had lower lignin content compared to controls.","PeriodicalId":7560,"journal":{"name":"Alexandria Science Exchange Journal","volume":"1 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140362423","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

Entomotoxic Properties of White Kidney Bean and Soybean Lectins and their Effects against Two Digestive Enzymes of the Spiny Bollworm, Earias insulana (Boisd.) 白芸豆和大豆内酯的昆虫毒性特性及其对刺吸虫（Earias insulana (Boisd.)）两种消化酶的影响

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.337001

Mervat H. A. Metayi, Hend S. El-Tahawe, Alaa M. Khorchid

{"title":"Entomotoxic Properties of White Kidney Bean and Soybean Lectins and their Effects against Two Digestive Enzymes of the Spiny Bollworm, Earias insulana (Boisd.)","authors":"Mervat H. A. Metayi, Hend S. El-Tahawe, Alaa M. Khorchid","doi":"10.21608/asejaiqjsae.2024.337001","DOIUrl":"https://doi.org/10.21608/asejaiqjsae.2024.337001","url":null,"abstract":"Plant lectin, a heterogeneous group of carbohydrate-binding proteins, is a direct defensive mechanism in plants against the attacking insects. Lectins from the leguminous plants Glycine max (GML) and Phaseoulus vulgaries (PhVL) were tested for their entomotoxic and growth inhibitory effects against the spiny bollworm (SBW), Earias insulana Boisd. The impact of the examined lectins on the two digestive enzymes of SBW, α-amylase and total proteases, was also investigated. Bioassay studies conducted on second-instar larvae over five and six days showed that GML (LC 50 values of 72.22 and 33.45 µg/gm diet) was more hazardous than PhVL (LC 50 = 299.05 and 182.91 µg/gm diet). GML and PhVL at LC 25 equivalent concentrations (8.97 and 34.43 µg/gm diet) significantly (p < 0.05) reduced the larval weight to 24.9 and 27.4 mg / larva compared with 55.3 mg / larva in control after 9 days of treatment. The average time for SBW larvae to pupate increased when GML and PhVL were added at LC 10 and LC 25 in comparison to the control. In addition, the tested lectins significantly (p < 0.05) reduced pupal mean weight, pupation, adult emergence, fecundity and fertility. Tested lectins demonstrated significant inhibition of α-amylase and total protease enzyme activity in larvae of SBWs fed on diets containing concentrations comparable to LC 10 and LC 25 . These findings imply that GML and PhVL are appropriate proteins to add to the cotton plant's DNA in order to control SBW.","PeriodicalId":7560,"journal":{"name":"Alexandria Science Exchange Journal","volume":"46 23","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140362060","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

The Economic and Social Returns of Hayat Karima Program in Matrouh Governorate 马特鲁省 "哈亚特-卡里马 "计划的经济和社会回报

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.345091

Amr Aboushaara, Mohamed Salem, Wael Helmy, Hesien El sininy

引用次数: 0

The Impact of Partial Replacement of UF-Skim Milk Retentate by Denatured Salt Whey Protein Paste on The Quality of Feta Cheese Analogue 变性盐乳清蛋白糊部分替代超临界奶渣对菲达干酪类似物质量的影响

Alexandria Science Exchange Journal Pub Date : 2024-03-30 DOI: 10.21608/asejaiqjsae.2024.343050

Sameh S. Yacoub, Khaled S. Nassar, Sameh Awad, Sameh A. Hendy

{"title":"The Impact of Partial Replacement of UF-Skim Milk Retentate by Denatured Salt Whey Protein Paste on The Quality of Feta Cheese Analogue","authors":"Sameh S. Yacoub, Khaled S. Nassar, Sameh Awad, Sameh A. Hendy","doi":"10.21608/asejaiqjsae.2024.343050","DOIUrl":"https://doi.org/10.21608/asejaiqjsae.2024.343050","url":null,"abstract":"The present investigation was conducted to study the effect of partial substitution of UF-retentate of skimmed cow's milk with the denatured salt whey protein past (DSWPP) aiming to obtain the optimal formulation of the two ingredients for manufacturing of feta cheese analogue. In this study, the ratios of substitution were 5, 10, 15 and 20% (wt/wt). Physicochemical properties, texture profile, organoleptic properties, microbial quality and economic efficiency of the UF-FCA were studied along 60 days of refrigeration storage (6±2°C). Inclusion of DSWPP caused significant differences (p≤0.05) in physicochemical properties of UF-FCA. Dry matter content and pH values were decreased, while significant increase was observed in total protein, water soluble nitrogen, and titratable acidity values as compared to control. Moreover, significant differences were observed in texture parameters among all UF-FCA treatments. The values of hardness, springiness, cohesiveness, gumminess and chewiness were decreased, whereas adhesiveness values were increased as compared to control. Organoleptic properties of UF-FCA with or without DSWPP were acceptable by the panelists. Cheese samples contained 15% DSWPP were the most preferred among all treatments. The microbial quality was satisfactory for all cheese treatments. The cold storage for 60 days led to different changes in UF-FCA properties. The economic study efficiency indicates that the additional ratio of DSWPP up to 20% (wt/wt) as partial replacer for UF-skim milk retentate in the production of UF-FCA resulted in a decrease in the total production cost","PeriodicalId":7560,"journal":{"name":"Alexandria Science Exchange Journal","volume":"57 31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140362680","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