检索结果-南通市图书馆

Analysis of photostimulable phosphor image plate artifacts and their prevalence

World Journal of Clinical Cases 2022年第2期10卷 437-447页

作者： Sara Mohamed Elkhateeb ashwag yagoub aloyouny Mohamed Mohamed Saeed Omer Soad Mahmoud Mansour Department of Basic Dental Science College of DentistryPrincess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia College of Dentistry Princess Nourah bint Abdulrahman UniversityRiyadh 11671Saudi Arabia

BACKGROUND Digital radiography has recently been used in dentistry as a substitute for conventional film radiography *** imaging has many advantages and provides new possibilities for recording and interpreting radiographic *** system uses different types of digital *** To detect the frequency,type,and reasons behind the appearance of intraoral image artifacts acquired by photostimulable phosphor plates(PSP).METHODS This retrospective descriptive study was conducted in the oral and maxillofacial radiology unit of the dental clinics of the College of Dentistry,Princess Nourah University(PNU).All intraoral digital radiographs were acquired using(Gendex Expert DC.,United States)an intraoral X-ray machine with 7-mA,65-kVP using a PSP system(Soredex DIGORA Optime imaging plate)and laser scanners(Soredex DIGORA Optime),which can house all sizes of reusable intraoral PSP sensor plates with image acquisition software(MIPACS Dental Enterprise viewer 3.2.2).A total of 50000 intraoral radiographs were retrieved from the clinical database from April 2018 to April 2020 to evaluate the reason,type,and solutions to these image *** Overall,50000 intraoral digital radiographs were acquired in a two-year-period;that is,from April 2018 to April *** these,3550(7.1%)retakes were performed due to the presence of image *** radiographs were the most common image type of intraoral retakes(80.8%).Imaging artifacts were divided into three categories:operator,plate and scanning *** of 3550 retakes,5%,1.37%,and 0.73%were related to operator,plate,and scanning errors,*** cone cut was the most common operator error(988 images),Bite marks were the most common plate error(276 images),and delayed scanning artifacts were the most common scanning errors(145 images).The calculated kappa value for interobserver reliability was 0.99,indicating almost perfect interobserver *** Our study discussed intraora

关键词： Photostimulable phosphor image Artifacts Intraoral radiographs Errors Prevalence and types

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Hemangioma in the lower labial vestibule of an eleven-year-old girl:A case report

引用

World Journal of Clinical Cases 2022年第5期10卷 1617-1622页

作者： ashwag yagoub aloyouny Afrah Jaber Alfaifi Shahad Mohammed Aladhyani Ahad Ali Alshalan Hadeel Mohammed Alfayadh Hend Mahmoud Salem Department of Basic Dental Science Princess Nourah Bint Abdulrahman UniversityRiyadh 11671Saudi Arabia Oral Medicine Special Care Dentistry Prince Sultan Military Medical CityRiyadh 12211Saudi Arabia Department of Dentistry Ministry of HealthRiyadh 11176Saudi Arabia

BACKGROUND Hemangioma is a vascular benign tumour of endothelial *** appears commonly in the first decade of life with increases incidence in *** is not common to happen in the oral cavity and it is extremely rare to appear in the labial *** SUMMARY We present a case of an 11-year-old girl who complained of a painful,slowly growing mass which was consistent with the capillary hemangioma in the left mandibular *** tumor such as hemangioma in the mandibular vestibule is extremely rare;hence,the clinical definitive diagnosis is very ***,radiographic imaging and histopathologic analysis are crucial to reach to the final diagnosis for proper *** Comprehensive clinical evaluation,proper diagnostic imaging and microscopic analysis of the mass establish a precise diagnosis of the hemangioma for better management.

关键词： Capillary hemangioma Vascular malformation Labial vestibule Childhood Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Oral and perioral herpes simplex virus infection type I in a fivemonth- old infant: A case report

引用

World Journal of Clinical Cases 2021年第3期9卷 685-689页

作者： ashwag yagoub aloyouny Hamad Nasser Albagieh Rasha Hamed Al-Serwi Basic Dental Science Department College of DentistryPrincess Nourah bint Abdulrahman UniversityRiyadh 11671RiyadhSaudi Arabia Oral Medicine and Diagnostic Science Department College of DentistryKing Saud UniversityRiyadh 12372RiyadhSaudi Arabia

BACKGROUND Herpes simplex virus(HSV)is a highly infectious pathogen that is easily transmitted via the bodily fluids of an infected *** virus usually affects individuals older than six months of age,and rarely causes lesions or symptoms in younger *** SUMMARY We present the case of a five-month-old healthy girl who presented with painful herpetic gingivostomatitis and perioral *** discuss the pathophysiology of primary HSV infection and the effect of maternal antibodies on the infant’s immune *** addition,we explain the diagnosis,management,and prognosis of HSV infection in young *** This case highlights the importance of early diagnosis and management of HSV infections to decrease the risk of developing severe complications and death.

关键词： Herpetic gingivostomatitis Oral lesions Herpes simplex virus Perioral lesions Infants Case report Herpes simplex virus type 1

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The Impact of Nitrogen-Fixing Bacteria, Iron, and Zinc Foliar Application on Dry Land Yellow Mustard (Brassica juncea) Grain and Oil Production

引用

Agricultural Sciences 2024年第7期15卷 719-728页

作者： Saeid Zehtab Salmasi Haleh Nasiri Rezvan Heshmati Mohammad Reza Sarikhani yagoub Raei Sustainable Agriculture Science Center Department of Plant and Environmental Sciences New Mexico State University Alcalde New Mexico USA Department of Plant Ecophysiology University of Tabriz Tabriz Iran Department of Soil Science University of Tabriz Tabriz Iran

The study, conducted at the Research Farm of the College of Agriculture, University of Tabriz in 2021, focused on the effects of various nitrogen-fixing bacterial isolates, biofertilizers containing nitrogen and phosphorus, as well as iron and zinc foliar applications on mustard growth under rainfed conditions. The results indicated that biofertilizers, whether used alone or in combination with chemical fertilizers, produced comparable grain and oil outputs compared to chemical fertilizers alone. Additionally, the application of iron and zinc through foliar spraying significantly enhanced both grain and oil production. These findings suggest that integrating nitrogen-fixing bacteria and biofertilizers could reduce reliance on chemical nitrogenous fertilizers, leading to decreased production expenses, improved product quality, and minimized environmental impact. This study highlights the potential for sustainable agricultural practices in dry land farming as a viable alternative to traditional chemical-intensive methods. Substituting chemical nitrogenous fertilizers with nitrogen-fixing bacteria or biofertilizers could result in cost savings in mustard grain and oil production while promoting environmental sustainability.

关键词： Nitrogen Fixing Bacteria Yellow Mustard Dry Land Farming Iron Zinc Foliar Application

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Habitual khat chewing and oral melanoacanthoma: A case report

引用

World Journal of Clinical Cases 2023年第2期11卷 449-455页

作者： Hamad Albagieh ashwag aloyouny Rana Alshagroud Abdulaziz Alwakeel Shahad Alkait Fatimah Almufarji Ghadeer Almutairi Rana Alkhalaf Oral Medicine and Diagnostic Science Department College of DentistryKing Saud UniversityRiyadh 12372Saudi Arabia Basic Dental Science College of DentistryPrincess Nourah Bint Abdulrahman UniversityRiyadh 11671Saudi Arabia Oral Medicine Ministry of HealthTabuk 00000Saudi Arabia Postgraduate College of DentistryPrincess Nourah Bint Abdulrahman UniversityRiyadh 11671Saudi Arabia

BACKGROUND Habitual khat(Catha edulis) chewing has been proven to cause numerous oral tissue changes. However, oral melanoacanthoma triggered by chronic khat chewing is rare. Oral melanoacanthoma is an uncommon, sudden, asymptomatic, benign pigmentation of the oral cavity. Under the microscope, the epithelial layer of the oral mucosa showed dendritic melanocyte proliferation and acanthosis. The study aimed to highlight chronic khat chewing as a trigger for oral *** SUMMARY In the current study, we report a case of a 26-year-old male patient with a rare presentation of oral melanoacanthoma triggered by regular khat chewing. Many intrinsic and extrinsic factors can cause oral pigmentation. Chewing khat is an extrinsic factor that can cause several diseases, including oral pigmentation. In this case, the definitive diagnosis was oral melanoacanthoma. This diagnosis was made based on the patient’s history, clinical lesion presentation, and microscopic biopsy *** Habitual khat(Catha edulis) chewing causes many oral tissue changes including oral melanoacanthoma. The study aimed to highlight chronic khat chewing as a trigger for oral melanoacanthoma.

关键词： Oral melanoacanthoma Oral lesion Qaat chewing Oral pigmentation Brown pigmentation Benign lesion Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Automated Artificial Intelligence Empowered Colorectal Cancer Detection and Classification Model

引用

Computers, Materials & Continua 2022年第9期72卷 5577-5591页

作者： Mahmoud Ragab ashwag Albukhari Information Technology Department Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Centre of Artificial Intelligence for Precision Medicines King Abdulaziz UniversityJeddah21589Saudi Arabia Mathematics Department Faculty of ScienceAl-Azhar UniversityNaser City11884CairoEgypt Biochemistry Department Faculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia

Colorectal cancer is one of the most commonly diagnosed cancers and it develops in the colon region of large *** histopathologist generally investigates the colon biopsy at the time of colonoscopy or *** detection of colorectal cancer is helpful to maintain the concept of accumulating cancer *** medical practices,histopathological investigation of tissue specimens generally takes place in a conventional way,whereas automated tools that use Artificial Intelligence(AI)techniques can produce effective results in disease detection *** this background,the current study presents an Automated AI-empowered Colorectal Cancer Detection and Classification(AAI-CCDC)*** proposed AAICCDC technique focuses on the examination of histopathological images to diagnose colorectal ***,AAI-CCDC technique performs preprocessing in three levels such as gray scale transformation,Median Filtering(MF)-based noise removal,and contrast *** addition,Nadam optimizer with EfficientNet model is also utilized to produce meaningful feature ***,Glowworm Swarm Optimization(GSO)with Stacked Gated Recurrent Unit(SGRU)model is used for the detection and classification of colorectal *** proposed AAI-CCDC technique was experimentally validated using benchmark dataset and the experimental results established the supremacy of the proposed AAI-CCDC technique over conventional approaches.

关键词： Colorectal cancer medical data classification noise removal data classification artificial intelligence biomedical images deep learning optimizers

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Exploring Trees Diversity and Ecological Value of Mountain Forests in the Blue Nile Region of Sudan

引用

Open Journal of Ecology 2024年第3期14卷 245-256页

作者： Dafa-Alla M. Dafa-Alla Haytham H. Gibreel Ahmed A. H. Siddig Yousif E. yagoub Hashim A. Abdelkarim Khatir H.T. Saeed Ahmed I. Abuelbashar Faculty of Forestry-Shambat University of Khartoum Khartoum Sudan Harvard Forest Harvard University Petersham MA USA Faculty of Forest Science and Wood Technology University of Gezira Wad-Medani Sudan Department of Forestry and Range Sciences Faculty of Natural Resources and Environmental Studies Alsalam University Alfula Sudan Forest Research and Gum Arabic Centre Agricultural Research Corporation Khartoum-Soba Sudan

We carried out this research at Abu-Gaddaf Natural Forest Reserve (ANFR) which is located east of Blue Nile River, in Blue Nile State, Sudan. It aims at exploring tree composition assessing their diversity indices, and ecological importance values. For survey of types and estimation of density of tree species in the forest, we randomly distributed 97 circular sample plots (0.1 hectare (ha)). In each sample plot we identified all trees to the species level, recorded their frequencies and computed species diversity and importance value indices (IVI). A total of 13 tree species, which belong to 12 genera and nine families, were identified in the tree layer of the forest. Mean tree density in ANFR was 116 trees/ha, composed mainly of Boswellia papyrifera (Del.) Hochst. (48), followed by Combretum hartmannianu (19) and Lannea fruticosa (18). Fabaceae was the most common family followed by Combretaceae and Malvaceae. B. papyrifera Delile Hochst was the most abundant while Acacia seyal was the least abundant species. Species richness (R = 1.71), evenness (E = 0.69), dominance (0.24) indices and Simpson’s Index of Diversity (D' = 0.76) suggest a moderate diversity, moderate numbers of individuals in each species and a moderate community stability. The research provides empirical results on diversity and ecological importance value of species, signifies the urging need to safeguard threatened species and to prioritize them for conservation, as well as the need to promote management of abundant species to provide multiple forest ecosystem services.

关键词： Tree Species Diversity Dry-Land Forest Sudan

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nonlinear Components of a Block Cipher over Eisenstein Integers

引用

Computers, Materials & Continua 2023年第12期77卷 3659-3675页

作者： Mohammad Mazyad Hazzazi Muhammad Sajjad Zaid Bassfar Tariq Shah ashwag Albakri Department of Mathematics College of ScienceKing Khalid UniversityAbha61413Saudi Arabia Department of Mathematics Quaid-I-Azam UniversityIslamabad45320Pakistan Department of Information Technology University of TabukTabuk71491Saudi Arabia Department of Computer Science College of Computer Science&Information TechnologyJazan UniversityJazan45142Saudi Arabia

In block ciphers,the nonlinear components,also known as substitution boxes(S-boxes),are used with the purpose to induce confusion in *** the last decade,most of the work on designing S-boxes over the points of elliptic curves,chaotic maps,and Gaussian integers has been *** main purpose of these studies is to hide data and improve the security levels of crypto *** this work,we design pair of nonlinear components of a block cipher over the residue class of Eisenstein integers(EI).The fascinating features of this structure provide S-boxes pair at a time by fixing three ***,in the same way,by taking three fixed parameters only one S-box is obtained through a prime field-dependent Elliptic curve(EC),chaotic maps,and Gaussian *** newly designed pair of S-boxes are assessed by various tests like nonlinearity,bit independence criterion,strict avalanche criterion,linear approximation probability,and differential approximation probability.

关键词： Eisenstein integers residue class of Eisenstein integers block cipher S-boxes analysis of S-boxes

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Loading and releasing behavior of carboxymethyl cellulose and chitosan complex beads

引用

Progress in Natural Science:Materials International 2022年第6期32卷 715-723页

作者： Ali A.Altam Liping Zhu Dafaalla Babiker Hajo yagoub Shuguang Yang State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-dimension Materials Donghua University

The complex beads of carboxymethyl cellulose（CMC） and chitosan（CHI） that are fabricated by interfacial complexation have a core-shell structure composed of a thin skin layer and a 3D entangled internal structure,which endows the beads with adsorption possibilities toward anionic and cationic molecules via electrostatic ***,the loading and releasing behavior of such a system is essential and fundamental for their application yet has not been studied *** this work,the influences of beads physical state,adsorbent dosage,agitation speed,solution pH and temperature on the loading behavior were *** CMC@CHI beads demonstrated different loading efficiency to three typical dyes of methylene blue（MB）,acid blue-113（AB）,and methyl orange（MO） with different charge *** adsorption rate followed an order of MB>AB>MO,giving 97.4%,73.3% and 20.2%,*** releasing of three dyes from CMC@CHI beads also exhibited different rates,and MB release was found to be prolonged compared to AB and *** loading mechanism of dyes was further investigated via X-ray photoelectron *** CMC@CHI beads may have possible applications in mixed dye removal as well as encapsulating systems of drugs or sensitive chemicals with different charges.

关键词： Polysaccharide Encapsulation Loading mechanism Dye removal Interfacial complexation

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Proteome-wide screening for the analysis of protein targeting of Chlamydia pneumoniae in endoplasmic reticulum of host cells and their possible implication in lung cancer development

引用

BIOCELL 2022年第1期46卷 87-95页

作者： YANYAN LI SHAHANAVAJ KHAN ANIS AHMAD CHAUDHARY HASSAN AHMED RUDAYNI ABDUL MALIK ashwag SHAMI Department of Oncology Zhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhou450007China Department of Pharmaceutics College of PharmacyKing Saud UniversityRiyadh11451Saudi Arabia Department of Biosciences Shri Ram Group of College(SRGC)Muzaffarnagar251001India Department of Health Sciences Novel Global Community Educational FoundationSydneyAustralia Department of Biology College of ScienceImam Mohammad Ibn Saud Islamic University(IMSUI)Riyadh11623Saudi Arabia Department of Biology College of SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11617Saudi Arabia

Available reports have confirmed a link between bacterial infection and the progression of different types of cancers,including colon,lungs,and prostate *** we report the Chlamydia pneumonia proteins targeting in endoplasmic reticulum(ER)using in-silico approaches and their possible role in lung cancer *** predicted 48 proteins that target human ER,which may be associated with protein folding and protein-protein interactions during *** results showed *** proteins targeting human ER and their implications in lung cancer *** targeted proteins may be involved in competitive interactions between host and bacterial proteins,which may change the usual pathway functions and trigger the development of lung ***,*** unfolded protein accumulation in the human ER possibly induces ER stress,consequently activating the unfolded protein response(UPR),and providing a favorable microenvironment for cancer *** current study showed the *** protein targeting in ER of host cell and their implication in lung cancer *** results may help researchers better manage lung cancer and establish a molecular mechanism for *** lung cancer association.

关键词： Bacterial infection C.pneumoniae Proteomes ER Lung cancer

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：