Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

2023

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 73141 - 73170 of 73294

Full-Text Articles in Entire DC Network

Work-Life Balance (Wlb): A Select Study Of Women Library Professionals In An Indian Metropolitan City, Meenal Kedar Oak Dr Jan 2023

Work-Life Balance (Wlb): A Select Study Of Women Library Professionals In An Indian Metropolitan City, Meenal Kedar Oak Dr

Library Philosophy and Practice (e-journal)

This research study was primarily designed to study the work-life balance of women library professionals in the metropolitan city of Pune in India from Maharashtra State. The primary purpose of the study is to explore the tough challenges faced by women librarians in maintaining a balance between their personal and professional life during the pre and post covid period. The study has examined various factors affecting the work-life balance of the respondents during the pre and post covid period using the quantitative research design. Further, the use of the survey research method and snowball sampling technique for the data collection …

Go to article

Where Do Community College Students Go For Their Reference Management Needs: Findings From A Survey Study, Ajatshatru Pathak, Sarah Johnson Jan 2023

Where Do Community College Students Go For Their Reference Management Needs: Findings From A Survey Study, Ajatshatru Pathak, Sarah Johnson

Library Philosophy and Practice (e-journal)

This research article reports the findings of a survey that was conducted at two community colleges affiliated with a large public university system in the Northeast of the United States. A survey was to explore community college students’ citation management help- seeking habits. Findings suggest that respondents were more likely to utilize Purdue University’s Online Writing Lab (OWL) website for reference management help than other resources. The results also show the impact of various factors (i.e., institution, academic level, undergraduate class level, field of study, age, gender, race/ethnicity, and user type) on students’ citation help -seeking practices. Significant statistical associations …

Go to article

Adoption And Utilisation Of Artificial Intelligence By Librarians In University Libraries In Southern Nigeria, Ogochukwu T. Emiri Jan 2023

Adoption And Utilisation Of Artificial Intelligence By Librarians In University Libraries In Southern Nigeria, Ogochukwu T. Emiri

Library Philosophy and Practice (e-journal)

The study investigated how librarians working in the various university libraries in Southern Nigeria adopted and used artificial intelligence. The researcher was able to retrieve 704 copies of the 848 questionnaires that were given to the responders. However, the return rate was 83%, which is a respectable amount. The descriptive statistics approach was used to analyse the data that the questionnaire produced. The results showed that there has been little adoption of AI in university libraries in Southern Nigeria. The research also reveals that security scanning devices at university libraries' entrances and exits are the most prevalent AIs, while other …

Go to article

Dissemination Of Agro-Based Information By Telecentres Among Selected Rural Farmers In Tanzania With A Focus On Moshi Rural District, Kilimanjaro Region, Neema Florence Mosha Dr, Edith Talina Luhanga Dr, Pascal Nade Dr, Patrick Ngulube Prof Jan 2023

Dissemination Of Agro-Based Information By Telecentres Among Selected Rural Farmers In Tanzania With A Focus On Moshi Rural District, Kilimanjaro Region, Neema Florence Mosha Dr, Edith Talina Luhanga Dr, Pascal Nade Dr, Patrick Ngulube Prof

Library Philosophy and Practice (e-journal)

The study assessed the role of Telecentres in the dissemination of agro-based information among selected farmers in rural areas of Tanzania. A cross-sectional study design was conducted in Moshi Rural District, in Kilimanjaro Region, Tanzania. A total of 442 rural farmers aged 21-60 years were randomly selected as study respondents. Questionnaires were used to collect data from respondents. The study found that 205 (55%) respondents were not aware of the existence and services offered among Telecentres, whereas only 12 (7%) respondents reported visiting Telecentres once per day, and 70 (41%) once per year. A total of 140 respondents selected computer …

Go to article

Leadership Styles, Staff Motivation And Job Satisfaction In Private University Libraries In Osun State, Nigeria, Adebowale Jeremy Adetayo, Abata-Ebire Blessing Damilola (Mrs), Omobola Abigail Babarinde Jan 2023

Leadership Styles, Staff Motivation And Job Satisfaction In Private University Libraries In Osun State, Nigeria, Adebowale Jeremy Adetayo, Abata-Ebire Blessing Damilola (Mrs), Omobola Abigail Babarinde

Library Philosophy and Practice (e-journal)

The study sought to examine the influence of leadership styles and staff motivation on job satisfaction in private university libraries in Osun State, Nigeria. The descriptive survey design was adopted for the study. Data were analyzed using descriptive and inferential statistics. Findings revealed that leadership styles and Staff motivation are predictors of job satisfaction of library staff. There was a high level of job satisfaction among library personnel due to the democratic leadership styles that were predominant. Most of the library staff were highly motivated with a higher level of intrinsic motivation than extrinsic motivation. The study concludes that leadership …

Go to article

Cover And Contents Jan 2023

Cover And Contents

Turkish Journal of Biology

No abstract provided.

Go to article

Cryogenic X-Ray Crystallographic Studies Of Biomacromolecules At Turkish Light Source "Turkish Delight", Necati̇ Atalay, Enver Kami̇l Akcan, Mehmet Gül, Esra Ayan, Ebru Destan, Fatma Betül Ertem Kuzucu, Nuretti̇n Tokay, Bariş Çakilkaya, Zeli̇ş Nergi̇z, Gözde Karakadioğlu Usta, Abdullah Kepceoğlu, İlki̇n Yapici, Bi̇lge Tosun, Ni̇lüfer Baldir, Günseli̇ Yildirim, J Austin Johnson, Ömür Güven, Alaleh Shafiei, Nazli Eylül Arslan, Merve Yilmaz, Cahi̇ne Kulakman, Seyi̇de Seda Paydos, Seynep Sena Çi̇nal, Kardelen Şabanoğlu, Ayşegül Pazarçevi̇ren, Ayşenur Yilmaz, Başak Canbay, Bengi̇su Aşçi, Esra Kartal, Serra Tavli, Mehmet Çaliseki̇, Günce Göç, Ari̇f Mermer, Gamze Yeşi̇lay, Sevde Altuntaş, Hiroshi Tateishi, Masami Otsuka, Mikako Fujita, Şaban Teki̇n, Hali̇li̇brahi̇m Çi̇ftçi̇, Serdar Durdaği, Gi̇zem Di̇nler Doğanay, Ezgi̇ Karaca, Burcu Kaplan Türköz, Burak Veli̇ Kabasakal, Ahmet Kati, Hasan Demi̇rci̇ Jan 2023

Cryogenic X-Ray Crystallographic Studies Of Biomacromolecules At Turkish Light Source "Turkish Delight", Necati̇ Atalay, Enver Kami̇l Akcan, Mehmet Gül, Esra Ayan, Ebru Destan, Fatma Betül Ertem Kuzucu, Nuretti̇n Tokay, Bariş Çakilkaya, Zeli̇ş Nergi̇z, Gözde Karakadioğlu Usta, Abdullah Kepceoğlu, İlki̇n Yapici, Bi̇lge Tosun, Ni̇lüfer Baldir, Günseli̇ Yildirim, J Austin Johnson, Ömür Güven, Alaleh Shafiei, Nazli Eylül Arslan, Merve Yilmaz, Cahi̇ne Kulakman, Seyi̇de Seda Paydos, Seynep Sena Çi̇nal, Kardelen Şabanoğlu, Ayşegül Pazarçevi̇ren, Ayşenur Yilmaz, Başak Canbay, Bengi̇su Aşçi, Esra Kartal, Serra Tavli, Mehmet Çaliseki̇, Günce Göç, Ari̇f Mermer, Gamze Yeşi̇lay, Sevde Altuntaş, Hiroshi Tateishi, Masami Otsuka, Mikako Fujita, Şaban Teki̇n, Hali̇li̇brahi̇m Çi̇ftçi̇, Serdar Durdaği, Gi̇zem Di̇nler Doğanay, Ezgi̇ Karaca, Burcu Kaplan Türköz, Burak Veli̇ Kabasakal, Ahmet Kati, Hasan Demi̇rci̇

Turkish Journal of Biology

X-ray crystallography is a robust and powerful structural biology technique that provides high-resolution atomic structures of biomacromolecules. Scientists use this technique to unravel mechanistic and structural details of biological macromolecules (e.g., proteins, nucleic acids, protein complexes, protein-nucleic acid complexes, or large biological compartments). Since its inception, single-crystal cryocrystallography has never been performed in Türkiye due to the lack of a single-crystal X-ray diffractometer. The X-ray diffraction facility recently established at the University of Health Sciences, İstanbul, Türkiye will enable Turkish and international researchers to easily perform high-resolution structural analysis of biomacromolecules from single crystals. Here, we describe the technical and …

Go to article

Sdf-1 Induces Directional Chemotaxis Of Endogenous Bmscs At The Intervertebral Fusion Site And Promotes Osteogenic Differentiation By Regulating Wnt/Ss-Catenin In The Bone Marrow Chimera Spinal Intervertebral Fusion Mouse Model, Qiwen Zhang, Ning Liang, Bin He, Siyou Wu, Depeng Wen, Xiaoyong Tang, Xiongcheng Shen Jan 2023

Sdf-1 Induces Directional Chemotaxis Of Endogenous Bmscs At The Intervertebral Fusion Site And Promotes Osteogenic Differentiation By Regulating Wnt/Ss-Catenin In The Bone Marrow Chimera Spinal Intervertebral Fusion Mouse Model, Qiwen Zhang, Ning Liang, Bin He, Siyou Wu, Depeng Wen, Xiaoyong Tang, Xiongcheng Shen

Turkish Journal of Biology

Clinical observations show that the current spinal fusion with internal fixation has a nonfusion rate of 5%-35%; however, methods to promote spinal fusion are limited. This study aimed to investigate the role of SDF-1-induced directional chemotaxis of BMSCs in bone marrow chimera spinal intervertebral fusion mouse model. BMSCs were isolated from bone marrow and identified by detecting CD44/CD34 positive cells. BMSCs (GFP-BMSCs) were labeled with GFP for tracking in vivo. Mice were inoculated with GFP-BMSCs to construct bone marrow chimera spinal intervertebral fusion model, which were divided into BM-SIF model, BM-SIF+SDF-1, BM-SIF+SDF-1-Anta group. The callus area of intervertebral fusion site …

Go to article

The Protective Impact Of Growth Hormone Against Rotenone-Induced Apoptotic Cell Death Via Acting On Endoplasmic Reticulum Stress And Autophagy Axis, Özge Rencüzoğullari, Selay Tornaci, Yağmur Çeli̇k, Nayat Narot Taş, Pinar Obakan Yerli̇kaya, Eli̇f Damla Arisan, Ajda Çoker Gürkan Jan 2023

The Protective Impact Of Growth Hormone Against Rotenone-Induced Apoptotic Cell Death Via Acting On Endoplasmic Reticulum Stress And Autophagy Axis, Özge Rencüzoğullari, Selay Tornaci, Yağmur Çeli̇k, Nayat Narot Taş, Pinar Obakan Yerli̇kaya, Eli̇f Damla Arisan, Ajda Çoker Gürkan

Turkish Journal of Biology

Human growth hormone (GH) is crucial modulator of cellular metabolisms, including cell proliferation and organ development, by stimulating insulin-like growth factor-1 (IGF-1), which has various functions such as cell proliferation, tissue growth, survival, or neuroprotection. Therefore, GH is implicated as a critical player in the cell and can enhance neurogenesis and provide neuroprotection during the treatment of neurological diseases such as Parkinson's disease (PD). In this study, the neuroprotective role of GH was investigated in rotenone-induced PD models for the first time. Both SH-SY5Y and SK-N-AS neuroblastoma cells were exposed to rotenone to mimic PD pathogenesis as stated in previous …

Go to article

Rpi-1 (Human Dcdc2) Displays Functional Redundancy With Nephronophthisis 4 In Regulating Cilia Biogenesis In C. Elegans, Oktay İsmai̇l Kaplan Jan 2023

Rpi-1 (Human Dcdc2) Displays Functional Redundancy With Nephronophthisis 4 In Regulating Cilia Biogenesis In C. Elegans, Oktay İsmai̇l Kaplan

Turkish Journal of Biology

Projecting from most cell surfaces, cilia serve as important hubs for sensory and signaling processes and have been linked to a variety of human disorders, including Bardet-Biedl Syndrome (BBS), Meckel-Gruber Syndrome (MKS), Nephronophthisis (NPHP), and Joubert Syndrome, and these diseases are collectively known as a ciliopathy. DCDC2 is a ciliopathy protein that localizes to cilia; nevertheless, our understanding of the role of DCDC2 in cilia is still limited. We employed C. elegans to investigate the function of C. elegans RPI-1, a Caenorhabditis elegans ortholog of human DCDC2, in cilia and found that C. elegans RPI-1 localizes to the entire ciliary …

Go to article

Astragaloside Iv Improves Renal Function And Alleviates Renal Damage And Inflammation In Rats With Chronic Glomerulonephritis, Dong Zhang, Zongying Li, Yuan Gao, Hailing Sun Jan 2023

Astragaloside Iv Improves Renal Function And Alleviates Renal Damage And Inflammation In Rats With Chronic Glomerulonephritis, Dong Zhang, Zongying Li, Yuan Gao, Hailing Sun

Turkish Journal of Biology

From Astragalus membranaceus (Fisch.) Bge.var. mongholicus (Bge.) Hsiao, astragaloside IV (AS-IV), a saponin can be purified and is considered traditional Chinese medicine. The purpose of this study was to evaluate the AS-IV-mediated mechanism on chronic glomerulonephritis (CGN). A cationic bovine serum albumin-induced CGN rat model was established and 10, 15, or 20 mg/kg of AS-IV was administered to measure renal function and inflammatory infiltration. Influences of AS-IV on proliferation, cell cycle, and inflammation of LPS-induced rat mesangial cells (RMCs) were determined. The results demonstrated that AS-IV alleviated renal dysfunction, renal lesions, and inflammation in CGN rats. AS-IV prolonged the G0-G1 …

Go to article

A Ph-Responsive Shell-Sheddable Polymeric Nanoparticles As The Photodynamic Drug Carrier: Synthesis, Characterization, And In Vitro Studies, Jing Lu Jan 2023

A Ph-Responsive Shell-Sheddable Polymeric Nanoparticles As The Photodynamic Drug Carrier: Synthesis, Characterization, And In Vitro Studies, Jing Lu

Turkish Journal of Biology

Shell-sheddable nanoparticles, composed of amphiphilic blockpolymers, have emerged as an attractive vehicle for the site-specific delivery of therapeutic agents. In this study, pH-responsive sheddable copolymers bearing an orthoester linker were synthesized via the ring-opening polymerization between γ-benzyl-L-glutamate N-carboxyanhydride and orthoester-bearing poly (ethylene glycol) macroinitiator (PEG-pH-NH2). The obtained poly (ethylene glycol)-b-poly(γ-benzyl-L-glutamate) (PEG-PBLG) could form stable nanoparticles in aqueous solutions due to the amphiphilic nature of the block copolymers. The PEG-PBLG-based nanoparticle exhibited good stability in physiological conditions (pH 7.4), whereas the nanoparticle was disassembled under acidic conditions (pH 5.0). The nanoparticles could encapsulate a photosensitizer, protophorphyrin IX …

Go to article

Cover And Contents Jan 2023

Cover And Contents

Turkish Journal of Biology

No abstract provided.

Go to article

Application Of Scanning Acoustic Microscopy For Evaluation Of Mmp Activation In Multiple Cancer Cell Lines With A Smart Probe, Hasan Ozan Otaş, Nasi̇re Uluç, İrem Demi̇rkan, Ayli̇n Alkan, Açelya Yilmazer, Seda Yaşa Ercan, Davod Khalafkhany, Nesri̇n Özören, Mehmet Burçi̇n Ünlü Jan 2023

Application Of Scanning Acoustic Microscopy For Evaluation Of Mmp Activation In Multiple Cancer Cell Lines With A Smart Probe, Hasan Ozan Otaş, Nasi̇re Uluç, İrem Demi̇rkan, Ayli̇n Alkan, Açelya Yilmazer, Seda Yaşa Ercan, Davod Khalafkhany, Nesri̇n Özören, Mehmet Burçi̇n Ünlü

Turkish Journal of Biology

Background/aim: Matrix metalloproteinases (MMPs) play an important role in the evaluation of many cancer types; however, the detection usually presents a challenge. Further assays for a better understanding of the fundamental roles of MMPs in pathophysiology are still needed. We aimed to use an activatable probe in scanning acoustic microscopy (SAM) to evaluate acoustically if the probe can aid the visualization of the effects of in vitro MMP activity. Materials and methods: We applied scanning acoustic impedance microscopy to obtain acoustic impedance maps of the cell line models of HT1080, THP-1, and SK-MEL-28 with and without MMPSense 680 probe incubation. …

Go to article

Functional Enhancement Of Acute Infracted Heart By Coinjection Of Autologous Adipose-Derived Stem Cells With Matrigel, Baozhu Wang, Mengmeng Wang, Yan Li, Meihua Shao, Dan Zhan, Shiqi Yan, Xiang Ma, Yitong Ma Jan 2023

Functional Enhancement Of Acute Infracted Heart By Coinjection Of Autologous Adipose-Derived Stem Cells With Matrigel, Baozhu Wang, Mengmeng Wang, Yan Li, Meihua Shao, Dan Zhan, Shiqi Yan, Xiang Ma, Yitong Ma

Turkish Journal of Biology

Recent clinical developments in tissue bioengineering have applications in acute cardiac ischemia and infarction and include the use of stem cells that combine injectable scaffold material. This study aimed to evaluate the effects of adipose-derived stem cells (ADSCs) that combine the Matrigel scaffold on cardiac morphology/functions. The autologous ADSCs myocardial infarction (MI) model was induced by the permanent ligation method of the left anterior descending coronary artery (LAD). MI-operated rats were randomly divided into PBS group, Matrigel group, PBS plus ADSCs group (PBS+ADSCs), and Matrigel plus ADSCs group (Matrigel+ADSCs). Matrigel was used as an injectable scaffold. Rats with a 1-week-old …

Go to article

Tsrna-15797-Modified Bmsc-Derived Exosomes Mediate Lfng To Induce Angiogenesis In Osteonecrosis Of The Femoral Head, Shanhong Fang, Mengqiang You, Jie Wei, Peng Chen Jan 2023

Tsrna-15797-Modified Bmsc-Derived Exosomes Mediate Lfng To Induce Angiogenesis In Osteonecrosis Of The Femoral Head, Shanhong Fang, Mengqiang You, Jie Wei, Peng Chen

Turkish Journal of Biology

Background: Osteonecrosis of the femoral head (ONFH) is an ischemic disease characterized by the impairment of angiogenesis. We have previously elucidated the role of tsRNAs and BMSC exosomes in ONFH, but whether tsRNA-modified BMSC exosomes promote angiogenesis in ONFH remains unclear. Methods: The expression of angiogenesis-related tsRNA in plasma exosomes from ONFH patients was examined by q-PCR. The function of tsRNA in HUVECs was identified by CCK-8 and angiogenesis assay. Exosomes purified from tsRNA-15797 overexpressed BMSCs were cocultured with HUVECs to examine their role in angiogenesis. The molecule mechanism of tsRNA-15797-modified exosomes was explored by RNA sequencing, dual-luciferase assay, and …

Go to article

Mir-216b-5p Promotes Late Apoptosis/Necroptosis In Trastuzumab-Resistant Sk-Br-3 Cells, İştar Burcu Dolapçi, Senem Noyan, Ayşegül Yücel Polat, Hakan Gürdal, Bala Gür Dedeoğlu Jan 2023

Mir-216b-5p Promotes Late Apoptosis/Necroptosis In Trastuzumab-Resistant Sk-Br-3 Cells, İştar Burcu Dolapçi, Senem Noyan, Ayşegül Yücel Polat, Hakan Gürdal, Bala Gür Dedeoğlu

Turkish Journal of Biology

Breast cancer is the most common cancer in women. The human epidermal growth factor receptor 2 (HER2) overexpressing subtype is related to poor prognosis with an aggressive phenotype and is reported as one of the most commonly seen subtypes. Trastuzumab is prevalently used as a treatment method for HER2+ breast cancer however, resistance to the drug frequently occurs following the treatment. MicroRNAs (miRNAs) are 19-23 nucleotide long small RNAs, which regulate gene expression at posttranscriptional level and studies show that there are differentially expressed miRNAs between drug sensitive and resistant groups, indicating that they might have some key roles in …

Go to article

Methionine Restriction And Cancer Treatment: A Systems Biology Study Of Yeast To Investigate The Possible Key Players, Esra Börklü Jan 2023

Methionine Restriction And Cancer Treatment: A Systems Biology Study Of Yeast To Investigate The Possible Key Players, Esra Börklü

Turkish Journal of Biology

Background/aim: Dietary restriction, mainly carbon and/or methionine restriction are among the upcoming supporting interventions along with chemotherapy in various cancers. Although dietary restriction has been proven to be beneficial, the main cellular machineries affected by its administration lacks deeper information considerably, a notable pitfall in its use as a personalized nutritional approach. Materials and methods: In this study, cellular effects of methionine restriction on a yeast model are explored via systems biology approaches. The methionine biosynthesis network, constructed by integrating interaction data with gene ontology terms, was analysed topologically, and proved to be informative about the intertwined relationship of methionine …

Go to article

Assessing The Entrepreneurship Ecosystem In Egypt Through A Gender Lens, Hala Wasef Hattab Jan 2023

Assessing The Entrepreneurship Ecosystem In Egypt Through A Gender Lens, Hala Wasef Hattab

Business Administration

Purpose: According to the Egyptian Start-up Ecosystem Report (ITIDA, 2021), Egypt has one of the foremost start-up ecosystems on Africa, both in terms of levels of start-up activity and inward investments. Yet the county lags in terms of women’s participation in founding start-ups. According to the latest Global Entrepreneurship Monitor report for Egypt, the entrepreneurial activity rate for women was 5.7%, while that of Egyptian men was 16.7%, despite women’s positive attitudes towards entrepreneurship. Methodology: The current research has an exploratory nature and aims at analysing entrepreneurship ecosystem in Egypt through a gender lens to highlight the factors that are …

Go to article

The Impact Of Socially Responsible Human Resource Management (Sr-Hrm) On Sustainable Development In Egyptian Organisations Authors Safaa Shaaban, Safaa Shaaban Jan 2023

The Impact Of Socially Responsible Human Resource Management (Sr-Hrm) On Sustainable Development In Egyptian Organisations Authors Safaa Shaaban, Safaa Shaaban

Business Administration

In this paper, we introduced the concept of socially responsible human resource management (SR-HRM) and examined the effects of perceived SR-HRM on Sustainable development (SD), a particular area of research that has developed and grown significantly over the past few years, adding to the expanding academic discussion on what is known as "socially responsible human resource management" (SR-HRM) and how it relates to sustainable development. In order to promote sustainable development, the SRHRM discussion aims to proactively improve workers' work experiences and satisfy their social and personal expectations. However, there is no connection between SR-HRM and its impact on SD …

Go to article

The Impact Of Governance Variables In Attracting Foreign Direct Investment Inflows, Marwa Said Anis Dr. Jan 2023

The Impact Of Governance Variables In Attracting Foreign Direct Investment Inflows, Marwa Said Anis Dr.

Business Administration

It is widely thought that the quality of a country’s institutions impacts its economic performance. The current study analyses six governance variables to assess their importance in attracting foreign direct investment (FDI) net inflows into different countries. This paper presents evidence that voice and accountability political stability and violence, rule of law, and openness to trade are important factors in attracting foreign direct investment. The coefficient for voice and accountability is positive and statistically significant, indicating that greater accountability and citizen participation are associated with higher levels of foreign investment. The coefficient for political stability and violence is positive and …

Go to article

A Review On Sustainable Disposal Of Plastic Waste By Integration In Construction Materials, Yara S. El-Metwally, Iman El-Mahallawi, Khaled M. Dewidar, Mostafa R. Refaat Jan 2023

A Review On Sustainable Disposal Of Plastic Waste By Integration In Construction Materials, Yara S. El-Metwally, Iman El-Mahallawi, Khaled M. Dewidar, Mostafa R. Refaat

Architectural Engineering

Over the last decades, plastic waste (PW) has increased exponentially and has become a serious threat to our planet, aquatic system and human health. Recycling or reusing PW in producing ecofriendly materials is an efficient solution to reduce plastic pollution and to minimize the depletion of raw materials as well. Previous studies have shown promising potentials of using PW in the construction sector, such as binder, aggregate, or substitute of cement and sand in concrete, brick or mortar. Laboratory results indicate that implementing plastic waste as aggregates in cement composites obtains higher thermal resistance and acoustical performance. However, a reduction …

Go to article

Urban Streets: Remaking Human-Based Places, Mona Helmy Jan 2023

Urban Streets: Remaking Human-Based Places, Mona Helmy

Architectural Engineering

Over the past few decades, due to the emerging compactness of cities considering the increase in population, and consequently the increasing demand for fast mobility, many streets have lost their human dimension. They have been transformed into fast roads, giving priority to vehicles, and reducing the rights of pedestrians. This transformation has affected streets in terms of planning, design, function, and scale. The paper argues that remaking cities’ urban streets as human-based places seeks to achieve a better balance between urbanism, people, nature, and culture, thereby improving their urban life in general. Through a literature review, this article chronologically investigates …

Go to article

Urban Screens As A Tool For Placemaking, Mona Helmy Jan 2023

Urban Screens As A Tool For Placemaking, Mona Helmy

Architectural Engineering

Urban screens, as part of the lightscape of places, can play a fundamental role in placemaking. They have the flexibility to be positioned in various locations in spaces with various sizes, shapes, moods, and effects for functional or aesthetical reasons. They can be temporary or permanent, active, or interactive instruments for creating a dynamic, stimulating, and unique public realm atmosphere that engages people and encourages social interaction. This research aims to create a theoretical framework for urban screen typologies as tools for placemaking. It investigates, explores, analyzes, and discusses different approaches where urban screens are used as a main tool …

Go to article

Knowledge Management As An Approach For Enhancing The Performance Of Construction Firms: An Analytical Study, Ayman Ahmed Ezzat Othman, Marwa Abdelhafez, Essam Mahrous Jan 2023

Knowledge Management As An Approach For Enhancing The Performance Of Construction Firms: An Analytical Study, Ayman Ahmed Ezzat Othman, Marwa Abdelhafez, Essam Mahrous

Architectural Engineering

No abstract provided.

Go to article

Development Of Sustainable Radiation-Shielding Blend Using Natural Rubber/Nbr, And Bismuth Filler, Elsayed Salama, Ola Aziz, Doaa E. El-Nashar, Assem Bakry Jan 2023

Development Of Sustainable Radiation-Shielding Blend Using Natural Rubber/Nbr, And Bismuth Filler, Elsayed Salama, Ola Aziz, Doaa E. El-Nashar, Assem Bakry

Basic Science Engineering

This research entailed the production of composite materials through the combination of natural rubber and acrylonitrile butadiene rubber, along with nano-silica-loaded bismuth (III) oxide, in varying concentrations ranging from 0 to 45 parts per hundred parts of rubber (phr). The gamma attenuation properties of the composites at different concentrations of Bi2O3 were measured. Additionally, the mechanical properties of the resulting composites, including hardness, tensile strength, and elongation, were tested. The composites with a concentration of 20 phr exhibited the highest tensile strength and elongation at break, followed by a subsequent decrease as the concentration of Bi2O3 increased. The gamma mass-attenuation …

Go to article

Gamma Attenuation And Mechanical Characteristics Of A Lead/Nbr/Sbr Rubber Composite With Black Nanocarbon Reinforcement, Elsayed Salama, Romisaa Gamal, Hassan Elshimy, Doaa E. El-Nashar, Assem Bakry, Mohamed Ehab Jan 2023

Gamma Attenuation And Mechanical Characteristics Of A Lead/Nbr/Sbr Rubber Composite With Black Nanocarbon Reinforcement, Elsayed Salama, Romisaa Gamal, Hassan Elshimy, Doaa E. El-Nashar, Assem Bakry, Mohamed Ehab

Basic Science Engineering

In this work, black nanocarbon-loaded 0–100 parts-per-hundred (phr) PbO-filled acrylonitrile butadiene rubber (NBR)/styrene-butadiene rubber (SBR) blend composites were prepared by using an ordinary standard rubber mixer. Both mechanical and gamma attenuation properties of the prepared samples were investigated. Maximum tensile strength and elongation at break were obtained at 40 phr PbO concentration. The obtained values for the mass attenuation coefficient with the increased PbO concentration from 0–100 phr ranged from 0.12–0.22 cm2/g at 0.239 MeV. Scanning electron microscope (SEM) with the elemental mapping analysis results showed high homogeneity at 40 phr of the prepared rubber composites, with some areas of …

Go to article

Fostering Reading: Supporting Foster Children Through Virtual Learning, Evette Harrell, Leah Washburn-Moses Jan 2023

Fostering Reading: Supporting Foster Children Through Virtual Learning, Evette Harrell, Leah Washburn-Moses

Mid-Western Educational Researcher

Professional literature presents evidence that foster care agencies, foster parents, and educators are unprepared to meet the distinctive educational needs of foster youth. Although there is a general lack of evidence on specific interventions developed for foster youth, some studies have addressed the impact of tutoring. This paper studies the impact of a pilot program that paired 15 teacher candidates with 15 foster youth for virtual reading tutoring as part of a college course. Data were collected from youth, parents, and teacher candidates through surveys and focus groups. The results of this study suggested that the tutoring relationship produced several …

Go to article

Publishing In A Peer-Reviewed Journal, Sherri Lyn Horner, Christy Galletta Horner Jan 2023

Publishing In A Peer-Reviewed Journal, Sherri Lyn Horner, Christy Galletta Horner

Mid-Western Educational Researcher

In our first installment of a series of short articles, we focus on demystifying the publishing process. We first review terminology that is important for authors to understand yet is not clearly defined in easily accessible ways. Then, we describe the publishing process, beginning with preparing and submitting a manuscript, and ending with either publication or a recommendation to submit to another outlet. We provide a visual flowchart to illustrate the steps and multiple pathways in this process. Finally, we present the advice we collected from eight individuals involved in the publication process at MWER: the two current editors and …

Go to article

Household Food Insecurity And Student Behavior: The Impact Of One School's Second Breakfast Program, Bradley S. Witzel, Elizabeth Wall-Bassett Jan 2023

Household Food Insecurity And Student Behavior: The Impact Of One School's Second Breakfast Program, Bradley S. Witzel, Elizabeth Wall-Bassett

Mid-Western Educational Researcher

Household Food Insecurity (HFI) is a frequent challenge for children living in poverty that impacts social, emotional, and behavioral development. Federally assisted meal programs, such as the National School Breakfast Program, address HFI for students living in poverty through free or reduced-price breakfast. However, there are challenges for students to take advantage of this opportunity, and it is underutilized. In this research, all middle school students at a high poverty school were offered a free of charge meal alternative called Second Chance Breakfast. Since this program was started, student participation in school breakfast increased and behavior incidences in school dropped …

Go to article

First Prev Next Last