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DEVELOPMENT AND CHARACTERIZATION OF SURFACE DIELECTRIC BARRIER DISCHARGE-BASED REACTOR FOR OZONE PRODUCTION 基于表面介质阻挡放电的臭氧生产反应器的研制与表征
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2020-06-01 DOI: 10.21608/aunj.2020.220860
A. Abdelaziz, M. Abdel-Salam, Azza A. Hashim, A. Gehad, Hammad, Hyun-Ha Kim
{"title":"DEVELOPMENT AND CHARACTERIZATION OF SURFACE DIELECTRIC BARRIER DISCHARGE-BASED REACTOR FOR OZONE PRODUCTION","authors":"A. Abdelaziz, M. Abdel-Salam, Azza A. Hashim, A. Gehad, Hammad, Hyun-Ha Kim","doi":"10.21608/aunj.2020.220860","DOIUrl":"https://doi.org/10.21608/aunj.2020.220860","url":null,"abstract":"The aim of this work is to develop an efficient plasma reactor for ozone production. The electrical characterization of the developed reactor, including the current-voltage waveform and the consumed power, is investigated at different reactor configurations (including ground-electrode width, number of electrodes, and volume of the reactor) and operating parameters (including the air flow rates and energy density). The performance of the developed reactor for ozone production is evaluated. It is observed that the consumed power increased linearly with increasing the ground-electrode width and the number of electrodes, while the reactor volume and the flow rates have no noticeable effect on the consumed power. It is also found that the increase of the plasma area by increasing the width of the ground electrode is preferable than its increase by increasing the number of electrodes. This is attributed to the decrease of the power loss in the dielectric material. In addition, an optimum size of the reactor is obtained, as the higher and the smaller ratio of the reactor volume to the plasma area are not efficient.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"487 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79983839","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
AN IMPROVED LSB INVERSION IMAGE STEGANOGRAPHIC TECHNIQUE 一种改进的LSB反演图像隐写技术
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221103
Dalia NashatLoay Mamdouh
{"title":"AN IMPROVED LSB INVERSION IMAGE STEGANOGRAPHIC TECHNIQUE","authors":"Dalia NashatLoay Mamdouh","doi":"10.21608/aunj.2019.221103","DOIUrl":"https://doi.org/10.21608/aunj.2019.221103","url":null,"abstract":"Data hiding is a major mechanism used for secure data transmission in computer networks. One of the most important branches in data hiding is Steganography. Steganography techniques concerns with hiding the secret data within the cover image in order to avoid detection. Least Significant Bit (LSB) technique is used widely in steganographic images. The traditional LSB method replaces some LSB of the cover image with the secret data. In this paper, a new method based on LSB for image steganography is presented. The goal of the proposed method is to increase the embedding capacity and enhance the stego image quality. We invert LSBs of the cover image depending on the value of the secret data. The experimental results of this study indicate that our method achieves high capacity and good imperceptibility quality of the stego image.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90345134","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
PREPARATION AND CHARACTERIZATION OF CURCUMIN-LOADED IRON OXIDE NANOPARTICLES FOR BREAST CYTOTOXIC EFFECT 姜黄素氧化铁纳米颗粒乳腺细胞毒作用的制备与表征
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221110
M. Fathy, Lamiaa Nasser, G. El-Sokkary, S. Mahmoud, Rasheedy
{"title":"PREPARATION AND CHARACTERIZATION OF CURCUMIN-LOADED IRON OXIDE NANOPARTICLES FOR BREAST CYTOTOXIC EFFECT","authors":"M. Fathy, Lamiaa Nasser, G. El-Sokkary, S. Mahmoud, Rasheedy","doi":"10.21608/aunj.2019.221110","DOIUrl":"https://doi.org/10.21608/aunj.2019.221110","url":null,"abstract":"","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"112 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85919444","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
Samarium- 5-fluorouracil complex induces prominently the anticancer activity of human colon cancer cell line 钐- 5-氟尿嘧啶络合物对人结肠癌细胞系的抗癌活性有显著的诱导作用
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221113
N. A. Maali, Asmaa Y. Wahman, A. Aly, A. Nassar, M. Douaa, Sayed
{"title":"Samarium- 5-fluorouracil complex induces prominently the anticancer activity of human colon cancer cell line","authors":"N. A. Maali, Asmaa Y. Wahman, A. Aly, A. Nassar, M. Douaa, Sayed","doi":"10.21608/aunj.2019.221113","DOIUrl":"https://doi.org/10.21608/aunj.2019.221113","url":null,"abstract":"In the present study samarium 5-fluorouracil (5-FU) complex was prepared to enhance the effectiveness of the 5-FU drug. This complex was characterized by UV/VIS spectrometry high performance liquid chromatography and differential scanning calorimetry. Furthermore, the antitumor effect of the prepared complex was explored on the human colon cancer cell Caco2 via evaluation of the cytotoxic activity of this complex through trypan blue cell viability. Apoptosis was also assessed through morphological changes, by Annexin V=PI flow cytometric analysis. The results revealed that the trivalent Sm enhance the 5-FU effect against the chemo-resistant colorectal carcinoma cell line.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86651030","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
VARIATIONS IN RESPONSE OF TWO PLANTS AND TWO MICROALGAL SPECIES TO THE DIFFERENT CONCENTRATIONS OF CEMENT KILN DUST 两种植物和两种微藻对不同浓度水泥窑粉尘的响应变化
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221117
E. S. Aldaby
{"title":"VARIATIONS IN RESPONSE OF TWO PLANTS AND TWO MICROALGAL SPECIES TO THE DIFFERENT CONCENTRATIONS OF CEMENT KILN DUST","authors":"E. S. Aldaby","doi":"10.21608/aunj.2019.221117","DOIUrl":"https://doi.org/10.21608/aunj.2019.221117","url":null,"abstract":"Cement kiln dust (CKD) can use as fertilizer in agriculture and as media for algal growth. In this study, different concentrations of CKD (0.005, 0.01, 0.05, 0.1 and 0.5 gm.100 ml -1 ) used for plants crop growth, and (0.0001, 0.0005, 0.001, 0.005 and 0.01 gm.100 ml -1 ) concentrations of CKD for algal growth. The study shown that, the germination and growth of both faba beans (Vicia faba) and barley (Hordeum vulgare) improved by low concentrations (0.005 and 0.01 gm.100 ml -1 ) of CKD. Also, the concentration (0.001 gm.100 ml -1 ) of cement kiln dust can be used instead of the algal growth media (BG11) for Oscillatoria sp. and Chlorella sp. cultures.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88269635","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
ULTRASTRUCTURAL STUDIES ON THE SENSILLA OF THE MOUTH PARTS AND ANTENNAE OF THE PRE-ADULT STAGES OF SITOPHILUS GRANARIUS (COLEOPTERA: CURCULIONIDAE) 粗腹象(鞘翅目:粗腹象科)成虫前期口部和触角的超微结构研究
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221129
N. M. Zohry
{"title":"ULTRASTRUCTURAL STUDIES ON THE SENSILLA OF THE MOUTH PARTS AND ANTENNAE OF THE PRE-ADULT STAGES OF SITOPHILUS GRANARIUS (COLEOPTERA: CURCULIONIDAE)","authors":"N. M. Zohry","doi":"10.21608/aunj.2019.221129","DOIUrl":"https://doi.org/10.21608/aunj.2019.221129","url":null,"abstract":"","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":" 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91513339","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
ANATOMICAL, HISTOLOGICAL AND HISTOCHEMICAL STUDIES OF ORBITAL GLANDS OF LITTLE OWL ATHENE NOCTUA 小猫头鹰眼眶腺的解剖、组织学和组织化学研究
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221126
N. Shawki, F. Mahmoud, A. M. Abdel‐Mageed
{"title":"ANATOMICAL, HISTOLOGICAL AND HISTOCHEMICAL STUDIES OF ORBITAL GLANDS OF LITTLE OWL ATHENE NOCTUA","authors":"N. Shawki, F. Mahmoud, A. M. Abdel‐Mageed","doi":"10.21608/aunj.2019.221126","DOIUrl":"https://doi.org/10.21608/aunj.2019.221126","url":null,"abstract":"The present study aimed to illustrate the anatomical, histological and histochemical structure of the two orbital glands of the little owl, Athene noctua with revealing their role in the vision. In little owl, the size of lacrimal gland appears smaller than that of the Harderian gland. The Harderian gland of the little owl is flat and looks like teardrop in shape with pink color and located between the ventralis oblique muscle and pyramidalis muscle. While, the lacrimal gland is cylindrical, compressed in the dorsal-ventral direction and is located on the dorsal edge of the orbit within a narrow elongated fossa. Both glands are compound tubuloalveolar type. The acini of Harderian gland are lined by cuboidal glandular cells whereas the lacrimal gland acini are lined by columnar cells. The Harderian gland in the little owl is classified as a type I. The Harderian gland and lacrimal glands of the little owl contain neutral and acid mucosubstances. INTRODUCTION","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"79 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79356462","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: 2
ESTIMATION IN CONSTANT-STRESS PARTIALLY ACCELERATED LIFE TESTS FOR BURR TYPE XII USING TAMPERED RANDOM VARIABLE MODEL UNDER UNIFIED HYBRID CENSORING DATA 统一混合截尾数据下用篡改随机变量模型估计xii型毛刺恒应力部分加速寿命试验
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221105
A. Abd-Elrahman, A. E. Ahmad, Marwa A. Younis
{"title":"ESTIMATION IN CONSTANT-STRESS PARTIALLY ACCELERATED LIFE TESTS FOR BURR TYPE XII USING TAMPERED RANDOM VARIABLE MODEL UNDER UNIFIED HYBRID CENSORING DATA","authors":"A. Abd-Elrahman, A. E. Ahmad, Marwa A. Younis","doi":"10.21608/aunj.2019.221105","DOIUrl":"https://doi.org/10.21608/aunj.2019.221105","url":null,"abstract":"This paper discusses constant stress partially accelerated life tests for unified hybrid censoring data from Burr type XII distribution with a tampered random variable. Both maximum likelihood and Bayesian methods are used to estimate the unknown population parameters and accelerated factor. In order to compute the asymptotic confidence intervals for the maximum likelihood estimators, we first calculate the Fisher information matrix related to the underlying model. On the other hand, Markov Chain Monte Carlo method under squared error loss function is used for obtaining the corresponding Bayesian estimators. In addition, a simulation study is carried out to compare the performances of the resulting estimators.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"105 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79284245","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
CYPRIS POLYGONIAE N. SP. (OSTRACODA: CYPRIDIDAE) COLLECTED FROM WASTEWATER OF SEWAGE STATION, SOHAG, EGYPT. 从埃及索哈格污水站的污水中收集的塞蝇(介形目:塞蝇科)。
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221128
S. Ramadan, Ebtesam A. Yousef, A. M. Mohamed
{"title":"CYPRIS POLYGONIAE N. SP. (OSTRACODA: CYPRIDIDAE) COLLECTED FROM WASTEWATER OF SEWAGE STATION, SOHAG, EGYPT.","authors":"S. Ramadan, Ebtesam A. Yousef, A. M. Mohamed","doi":"10.21608/aunj.2019.221128","DOIUrl":"https://doi.org/10.21608/aunj.2019.221128","url":null,"abstract":"A new species of freshwater Ostracoda Cypris polygoniae collected from El-cola wastewater of the sewage station at Sohag, Upper Egypt was described and identified. Among the specific characters, carapace ornamentation is divided into three areas (Thimble-like depression, polygonal reticulation, Smooth area). The first antenna bears 3 rows of fine hairs pseudochaetae on the first segment, one spine on the third segment and γ seta on the sixth segment. Second antenna has three rod-like processes, two swimming setae and rows of fine pseudochaetae hairs on its segments. Mandibula has number of weak teeth, rod-like processes, rows of fine hairs pseudochaetae and a pair of strong setae with small setules on its different regions. Maxillula has two rows of fine pseudochaetae hairs on the second segment of maxillular palp and two claws with 11 teeth on the endite. There are several numbers of rows of fine pseudochaetae hairs of the three thoracopods. Additionally, there are fan-like setae on the fourth segment and one chelated process on the fifth one of third thoracopod. Furca has two rows of fine spines on each uropodal ramus.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87304201","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
AMELIORATIVE EFFECTS OF GALLIC ACID AGAINST OXIDATIVE STRESS IN ERYTHROCYTES INDUCED BY BPA IN MALE ALBINO RATS. 没食子酸对雄性白化大鼠双酚a诱导红细胞氧化应激的改善作用。
Assiut University Journal of Multidisciplinary Scientific Research Pub Date : 2019-12-01 DOI: 10.21608/aunj.2019.221124
M. Al-Salahy, A. Mahmoud, S. Mahmoud, M. Saleh, F. Moustafa
{"title":"AMELIORATIVE EFFECTS OF GALLIC ACID AGAINST OXIDATIVE STRESS IN ERYTHROCYTES INDUCED BY BPA IN MALE ALBINO RATS.","authors":"M. Al-Salahy, A. Mahmoud, S. Mahmoud, M. Saleh, F. Moustafa","doi":"10.21608/aunj.2019.221124","DOIUrl":"https://doi.org/10.21608/aunj.2019.221124","url":null,"abstract":"Bisphenol A (BPA) is a chemical material that using in polycarbonate plastic that is widely used in daily life items. Several studies showed the adverse effect on the health of erythrocytes in both human and animals, while gallic acid (GA) is a known antioxidant capable of counteracting free radicals. In this study included 4 groups 10 rats each. The first was the control. The second received BPA in drinking water was given ad libitum at dose 40mg/kg.b.w. The third and fourth groups was given BPA by the same dose and by the same route in addition to receive GA in the diet at doses of 50 and 200 mg/kg.b.w, respectively. In erythrocytic hemolysate, the antioxidants: glutathione (GSH), activities of both superoxide dismutase (SOD) and catalase (CAT) were estimated. Also, lipid peroxidation (LPO) and carbonyl protein (CrPr) were determined. The results showed that BPA significantly increased LPO and CrPr and decreased the activities of CAT, SOD and the GSH content. However, the treatments of the BPA-intoxicated rats with GA reversed the erythrocytic oxidative damage and curtailed the decrease in antioxidants. In conclusion, the GA with both doses could attenuate the oxidative damage in erythrocytes of rats-treated with BPA.","PeriodicalId":8568,"journal":{"name":"Assiut University Journal of Multidisciplinary Scientific Research","volume":"53 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81432073","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: 1
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