Digital Commons Network^™

Preparing And Studying Structural And Optical Properties Of Pb1-Xcdxs Nanoparticles Of Solar Cells Applications, Haneen S. Hakeem, Nada K. Abbas

Baghdad Science Journal

Nanoparticles of Pb1-xCdxS within the composition of 0≤x≤1 were prepared from the reaction of aqueous solution of cadmium acetate, lead acetate, thiourea, and NaOH by chemical co-precipitation. The prepared samples were characterized by UV-Vis spectroscopy(in the range 300-1100nm) to study the optical properties, AFM and SEM to check the surface morphology(Roughness average and shape) and the particle size. XRD technique was used to determine the crystalline structure, XRD technique was used to determine the purity of the phase and the crystalline structure, The crystalline size average of the nanoparticles have been found to be 20.7, 15.48, 11.9, 11.8, and 13.65 …

Determination Of Sulfacetamide Sodium In Pure And Their Pharmaceutical Formulations By Using Cloud Point Extraction Method, Nisreen Jassam Alaallah, Saadiyah Ahmad Dhahir, Hameed Hussein Ali

Baghdad Science Journal

In this study, simple, low cost, precise and speed spectrophotometric methods development for evaluation of sulfacetamide sodium are described. The primary approach contains conversion of sulfacetamide sodium to diazonium salt followed by a reaction with p-cresol as a reagent in the alkaline media. The colored product has an orange colour with absorbance at λmax 450 nm. At the concentration range of (5.0-100 μg.mL-1),theBeer̆sLowisobeyedwithcorrelationcoefficient(R2= 0.9996), limit of detection as 0.2142 μg.mL-1, limit of quantification as 0.707 μg.mL-1and molar absorptivity as 1488.249 L.mol-1.cm-1. The other approach, cloud point extraction was utilized to an estimation of a trace amount of the colored product …

Biochemical And Histological Study Of Aminoacylase-1 Purified From Amniotic Fluid In Rats With Oxidative Stress Induced By Lead Acetate, Luay Abed Al-Helaly, Eman S. Mahmood

Baghdad Science Journal

This work involves separating and studying the aminoacylase-1 (ACY1) of amniotic fluid from healthy pregnant, mainly one peak with higher activity has been isolated by DEAE-Cellulose ion exchange from the proteinous supernatant produced by deposition of proteins using ammonium sulfate (65%) after dialysis. The purification folds reaching to 19 folds also gave one protein peak when injected into the gel filtration column, a high ACY1 purity was obtained, with 38 folds of purification. It was found that the molecular weight of the isolated ACY1 was up to 46698 Dalton when using gel chromatography technique.The effect of ACY1 isolate was studied …

Effect Of Testosterone Enanthate Modeling Of Polycystic Ovary On Liver Irs-2 Mrna Expression In Rats: A Brief Report, Seyyed Amir Yasin Ahmadi, Mandana Beigi Boroujeni, Naser Pajouhi, Amin Hasanvand, Afshin Hasanvand, Seyed Behnamedin Jamei, Asghar Aaliehpour, Reza Nekouian

Baghdad Science Journal

There are many animal models for polycystic ovary (PCO); using exogenous testosterone enanthate is one of the methods of induction of these models. However, induction of insulin resistance should also be studied in the modeling technics. Therefore, the present study aims to investigate the expression of insulin receptor substrate (Irs)-2 mRNA in the liver tissue of rat PCO model. Nineteen Wistar rats were divided into three groups; (1) PCO modeling group (N =7) received daily 1.0 mg/100g testosterone enanthate solved in olive oil along with free access dextrose water 5%, (2) vehicle group (N =6), which handled like the PCO …

Preparing Nanosilica Particles From Rice Husk Using Precipitation Method, Rusel Zahraw Farhan, Shahlaa Esmail Ebrahim

Baghdad Science Journal

Nanosilica was extracted from rice husk, which was locally collected from the Iraqi mill at Al-Mishikhab district in Najaf Governorate, Iraq. The precipitation method was used to prepared Nanosilica powder from rice husk ash, after treating it thermally at 700°C, followed by dissolving the silica in the alkaline solution and getting a sodium silicate solution. Two samples of the final solution were collected to study the effect of filtration on the purity of the sample by X-ray fluorescence spectrometry (XRF). The result shows that the filtered samples have purity above while the non-filtered sample purity was around The structure analysis …

Isolation And Identification Of Fungi From Clinical Samples Of Diabetic Patients And Studying The Anti-Fungal Activity Of Some Natural Oils On Isolated Fungi, Mosleh Mohammad Abomughaid

Baghdad Science Journal

Isolation of fungi was performed from February to July, 2019. One hundred clinical specimens were collected from King Abdullah Hospital (KAH) Bisha, Saudi Arabia. Samples were collected from twenty patients of different ages (30 - 70 years old) ten males and ten females. The samples were collected from patients with the two types of diabetics. Specimens included blood, hair, nail, oral swabs and skin. Specimens were inoculated on Sabourauds Dextrose agar containing chloramphenicol. Thirteen fungal species were isolated and identified. The isolated species were: Aspergillus flavus, A. niger, A. terrus, A. nidulans, A. fumigatus, Candida albicans, C. krusei, C. parapsilosis, …

The Accumulation Risk Of Heavy Metals In Vegetables Which Grown In Contaminated Soil, Asmaa A Hamad, Khalid H Alamer, Hissah S Alrabie

Baghdad Science Journal

The present study has been carried out to estimate heavy metals mobility, bioconcentration and transfer from polluted soil to roots tissues and from roots tissues to aerial parts using bioconcentration factor and translocation factor. Soil samples and the biomass of the eight vegetable species have been collected during summer season, 2019 from four different sites in Wadi Al-Arg, Taif Governorate, KSA. In general, heavy metals content of soil samples in site III and IV have recorded elevated values compared with those of site I and II. The soil from site IV has shown the highest concentration of Mn, Ni, Cr, …

Effects Of Nitrogen And Sulfur Sprays On The Growth And Production Of Broccoli Brassica Oleracea Var. Italica L., Mushtak F. Karomi Kisko, Nabil Jwad Kadhum, Zainab Anwar Ali, Noora Saheb Abid

Baghdad Science Journal

In order to achieve optimal plant growth and production, essential nutrients must be readily available in adequate quantities and in a balanced proportion to give a good yield, especially broccoli which has health benefits that may not be found in many other plants. For this purpose, this experiment was carried out during the seasons 2019/2020 in the botanical garden of the Department of Biology, College of Science for Women, University of Baghdad, to study the effects of nitrogen and sulphur and their interaction on eight parameters reflecting the overall traits of vegetative growth, yield, and chlorophyll content of broccoli Brassica …

Library Newsletter : Issue 2 - 2021, Office Of The University Librarian

Office of the University Librarian Reports

CONTENT:

- Message by Peter Gatiti Associate Vice Provost & University Librarian

- Member Focus: International Library Advisory Committee

- Reimagining Libraries in a Digital Era

- Employee Spotlight

- Library at University Centre Nairobi

- What to read

- Book review

- Libraries in Uganda and Tanzania

- Aga Khan Library, Institute for the Study of Muslim Civilizations, UK

- What are predatory publishers?

- Library Recognition

- Academic writing editor East Africa

- eCommons@aku by the numbers June 2021

- Film making is an Art

- AKU Author’s Day

- Publications by Library Staff

- Obituary

Effects Of Thermal And Non-Thermal Methods On The Chemical Composition And Bacterial Inactivation Of Camel Milk, Namariq Dhahir

Dissertations

Understanding the composition of camel milk coupled with studying the effects of thermal and non-thermal treatments on its components and bacterial inactivation were the general objectives of this dissertation. In the first study (Chapter 2), the gross composition of camel milk including milk protein, fat, casein, total solids, lactose, ash, and mineral content were analyzed. In addition, fatty acid profile, amino acid profile, protein fractions, and volatile compounds were evaluated as well. Our results revealed that camel milk has its unique nutrients profile. These findings make it easier for the researchers and consumers to understand some of the nutritional attributes …

Commandeering The Indian Child Welfare Act: Native American Rights Exception To Tenth Amendment Challenges, Jessie Shaw

Cardozo Law Review

No abstract provided.

Primary Ciliary Dyskinesia: Ancestral Haplotypes Analysis Of The Rsph4a Founder Mutation In Puerto Rico, Wilfredo De Jesús-Rojas, Dalilah Reyes De Jesús, Angélica M Nieves, Ricardo A Mosquera, Juan C Martinez-Cruzado

Faculty, Staff and Student Publications

Genetic mutations in >50 genes, including RSPH4A, can lead to primary ciliary dyskinesia (PCD). RSPH4A mutations affect radial spokes, which alter the configuration of the ciliary ultrastructure and lead to chronic oto-sinopulmonary disease. The RSPH4A [c.921+3_6delAAGT] founder mutation was described as one cause of PCD without laterality defects in Puerto Rico. The average Puerto Rican genetic composition includes 64% European, 21% African ancestral, and 15% Native-American or Taino, a native tribe in the Caribbean at the start of the European colonization, genes. Due to the relatively elevated Taino ancestry on the island, it might have contributed to the endemicity of …

Sweetpotato Leaves Inhibit Lipopolysaccharide-Induced Inflammation In Raw 264.7 Macrophages Via Suppression Of Nf-Κb Signaling Pathway, Hyun-Dong Cho, Cindi Brownmiller, Harun Sorker, Shahidul Islam, Sun-Ok Lee

Food Science Faculty Publications and Presentations

Limited information is available regarding the health-promoting activities of sweetpotato leaves (SPL). The present study investigated antioxidant and anti-inflammatory effects, and phenolic contents in 29 SPL cultivars harvested in 2018 and 2019. Extracts showed total phenolic contents 9.4–23.1 mg gallic acid equivalent/g, and DPPH radical scavenging activity indicated 36.6–247.3 mM of Trolox equivalent/g. SPL extracts were identified to contain bioactive components such as, chlorogenic acid (11.7–22.1 μg/mg), 3,4-dicaffeoylquinic acid (16.3–59.9 μg/mg), 3,5-dicaffeoylquinic acid (50.9–72.7 μg/mg), chlorophyll B (6.1–12.3 μg/mg), lutein (1.9–4.9 μg/mg), chlorophyll A (2.7–4.3 μg/mg) and β-carotene (0.1 ≤ μg/mg). RAW 264.7 murine macrophage cells were pretreated with 100–200 …

Foraging In Marine Habitats Increases Mercury Concentrations In A Generalist Seabird, Corey A. Clatterbuck, Rebecca L. Lewison, Rachael A. Orben, Joshua T. Ackerman, Leigh G. Torres, Robert M. Suryan, Pete Warzybok, Jaime Jahncke, Scott A. Shaffer

Faculty Research, Scholarly, and Creative Activity

Methylmercury concentrations vary widely across geographic space and among habitat types, with marine and aquatic-feeding organisms typically exhibiting higher mercury concentrations than terrestrial-feeding organisms. However, there are few model organisms to directly compare mercury concentrations as a result of foraging in marine, estuarine, or terrestrial food webs. The ecological impacts of differential foraging may be especially important for generalist species that exhibit high plasticity in foraging habitats, locations, or diet. Here, we investigate whether foraging habitat, sex, or fidelity to a foraging area impact blood mercury concentrations in western gulls (Larus occidentalis) from three colonies on the US west coast. …

Delirium In Frail Older Adults, Min Ji Kwak

Faculty, Staff and Student Publications

Delirium and frailty are prevalent geriatric syndromes and important public health issues among older adults. The prevalence of delirium among hospitalized older adults ranges from 15% to 75%, while that of frailty ranges from 12% to 24%. The exact pathophysiology of these two conditions has not been clearly identified, although several hypotheses have been proposed. However, these conditions are considered to be multifactorial in etiology and are associated with inflammation related to aging, alterations in vascular systems, genetics, and nutritional deficiency. Furthermore, clinically, they are significantly associated with frailty, which increases the risk of delirium by almost two- to three-fold …

The Interaction Of Global Motion And Global Form Processing On The Perception Of Implied Motion: An Equivalent Noise Approach, Mahesh R. Joshi, Anita J. Simmers, Seong T. Jeon

School of Health Professions

Global motion and global form are proposed to be processed through functionally differentiated independent channels along dorsal (motion) and ventral (form) pathways. However, more recent studies show significant interactions between these pathways by inducing the perception of motion (implied motion) from presenting the independent frames of static Glass patterns. The mechanisms behind such interaction are not adequately understood with studies showing a larger contribution of either a motion or form processing mechanism. In the current study, we adapted the equivalent noise paradigm to disentangle the effect of internal noise (local processing) and sampling efficiency (global processing) on global motion, global …

Digital Sustainability And Entrepreneurship: How Digital Innovations Are Helping Tackle Climate Change And Sustainable Development, Gerard George, Ryan K. Merrill, Simon J. D. Schillebeeckx

Research Collection Lee Kong Chian School Of Business

We explore how digital technologies are helping address grand challenges to tackle climate change and promote sustainable development. With digital technologies, entrepreneurial organizations have adopted innovative approaches to tackle seemingly intractable societal challenges. We refer to these broadly as digital sustainability activities. By focusing on the digital toolbox employed by pioneering organizations, we propose a research agenda that generates novel questions for entrepreneurship, business models, and ecosystems as well as new ways of thinking about trust and institutional logics. We believe that digital sustainability can spur empirical advances in entrepreneurship, innovation, and strategy with potential for positive impact on society.

Dynamic Electrode-To-Image (Deti) Mapping Reveals The Human Brain’S Spatiotemporal Code Of Visual Information, Bruce C. Hansen, Michelle R. Greene, David J. Field

All Faculty Scholarship

A number of neuroimaging techniques have been employed to understand how visual information is transformed along the visual pathway. Although each technique has spatial and temporal limitations, they can each provide important insights into the visual code. While the BOLD signal of fMRI can be quite informative, the visual code is not static and this can be obscured by fMRI’s poor temporal resolution. In this study, we leveraged the high temporal resolution of EEG to develop an encoding technique based on the distribution of responses generated by a population of real-world scenes. This approach maps neural signals to each pixel …

A Review Of Fixed Drug Eruption With A Special Focus On Generalized Bullous Fixed Drug Eruption., Hannah J. Anderson, Jason B. Lee, Md

Department of Dermatology and Cutaneous Biology Faculty Papers

Fixed drug eruption (FDE) is a cutaneous adverse drug reaction characterized by the onset of rash at a fixed location on the body each time a specific medication is ingested. With each recurrence, the eruption can involve additional sites. Lesions can have overlying vesicles and/or bullae, and when they cover a significant percentage of body surface area, the eruption is referred to as generalized bullous fixed drug eruption (GBFDE). Due to the widespread skin denudation that can be seen in this condition, GBFDE may be confused clinically with Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN). While treatments described for GBFDE include supportive …

Neutrophil-Rich, Noncollagenous 16a Domain-Negative Bullous Pemphigoid Associated With Psoriasis, Morgan E Sussman, Shoshana K Grossman, Sylvia Hsu, Jason B. Lee, Kiran Motaparthi

Department of Dermatology and Cutaneous Biology Faculty Papers

No abstract provided.

Hazy Team Composition Processes: Shared Team Leadership, A Strategy To Team Excellence In Higher Education, Pervaiz Masih

Electronic Theses and Dissertations

Teamwork is an emergent property of efficacious organizations. Team-based and result-oriented organizational structures are gaining momentum, increasing 6% each year. Over 80% of organizations globally deploy teams by putting ordinary people to work together for extraordinary performance. The Defense Language Institute Foreign Language Center is a unique institute that teaches foreign languages in an immersive and team-based environment. This mixed-methods research study investigated (a) the teaching team composition processes, (b) the applicability of trust and diversity in team composition, and (c) the impact of shared team leadership in the Defense Language Institute Foreign Language Center. Data were collected from 82 …

Food Addiction And Obesity, Lisa Ling

Electronic Theses and Dissertations

The obesity rate in the U.S. adult population has increased to epidemic levels despite attempts to decrease obesity through evidence-based knowledge, clinical practice guidelines, medical interventions, and individual efforts. For certain individuals, food addiction behaviors such as food cravings, loss of control, and binge eating contribute to obesity and require a different approach to care. Little work has been done on adding the possibility of food addiction to obesity screening and treatment. This study utilized a quasi-experimental quantitative pre- and postsurvey research design based on Lewin’s change theory. Nurse practitioners were surveyed regarding the provider’s perceptions, attitudes, and beliefs about …

Osteopathic Manipulative Treatment As An Intervention To Reduce Stress, Anxiety, And Depression In First Responders: A Pilot Study, Christena Abraham, Shelly N.B. Sloan, Charles Coker, Blair Freed, Matthew Mcauliffe, Halden Nielsen, Tanner Riscoe, Robert Steele, Andrew Dettwiler, Gia Oberley, Kenneth Zaremski, Kelley Joy, Andi Selby, Ree Wells-Lewis, Bradley A. Creamer

Faculty and Staff Publications

In this pilot study, we examined the efficacy of Osteopathic Manipulative Treatment (OMT) for improving symptoms of stress, anxiety, and depression (SAD) to determine a correlation between overall improvement in health and quality of life for first responders. Participants received weekly OMT or sham OMT targeting autonomic imbalance. Indicators of SAD were examined pre- and post-study. Overall, this pilot study suggests improvement in both the social-psychological (mental) self-assessments, and alterations in SAD-associated biomarkers from OMT.

2021 September, Morehead State University. Office Of Communications & Marketing.

Morehead State Press Release Archive, 1961 to the Present

Press releases for September of 2021.

Acute White Matter Integrity Post-Trauma And Prospective Posttraumatic Stress Disorder Symptoms, Carissa N. Weis, Ashley A. Huggins, Tara A. Miskovich, Jacklynn M. Fitzgerald, Kenneth P. Bennett, Jessica L. Krukowski, E. Kate Webb, Terri A Deroon-Cassini, Christine L. Larson

Psychology Faculty Research and Publications

Background: Little is known about what distinguishes those who are resilient after trauma from those at risk for developing posttraumatic stress disorder (PTSD). Previous work indicates white matter integrity may be a useful biomarker in predicting PTSD. Research has shown changes in the integrity of three white matter tracts—the cingulum bundle, corpus callosum (CC), and uncinate fasciculus (UNC)—in the aftermath of trauma relate to PTSD symptoms. However, few have examined the predictive utility of white matter integrity in the acute aftermath of trauma to predict prospective PTSD symptom severity in a mixed traumatic injury sample.

Method: Thus, the current study …

Changing Minds: A Pilot Feasibility Study Of Mindfulness Training For At-Risk Adolescents, Hanna Culang, Elizabeth R. Davis, Laura Egan, Akeesha Simmons, David R. Vago, Susan Finley, Tracy Dennis-Tiwary

National Youth Advocacy & Resilience Journal

Abstract

Youth at risk for negative health outcomes due to reduced access to social, mental health, and educational support systems are in particular need of resources promoting social-emotional resilience and positive educational outcomes. A growing body of research documents the positive benefits of mindfulness-based interventions (MBIs), but few studies have examined the impact of MBIs for at-risk adolescents, particularly in school settings where barriers to access can be minimized. This pilot feasibility study examined the effects of a nine-week school-based MBI, augmented by cross-course curricular material, in a group of high school students attending a transfer school, designed to re-engage …

Franklincovey Leader In Me Program: The Impact On Quality Of Work Life And Perceived Relationship Changes Between Administrators And Teachers, Paula J. Tench, Ronny Green, Rudo Tsemunhu, Kathy Nobles, William Truby, Lantry Brockmeier

National Youth Advocacy & Resilience Journal

Federal and state initiatives designed to improve schools have created unintended, negative consequences. Educational research studies link these initiatives to declines in teacher job satisfaction, decreased teacher retention, and the potential development of adversarial relationships between teachers and administrators (Darling-Hammond, 2010). The purpose of this study was to determine the impact of the FranklinCovey Leader in Me Program’s effect at an identified, Title I school in Georgia that implemented the program as a means of school reform and improvement. Data were obtained through observations, document analysis, and interviews. A constructivist epistemology was used to synthesize collected data to create meaning. …

Association Of Maternal Prenatal Selenium Concentration And Preterm Birth: A Multicountry Meta-Analysis, Nagendra Monangi, Huan Xu, Waqasuddin Khan, Furqan Kabir, Muhammad Imran Nisar, Aneeta Hotwani, Usma Mehmood, Ambreen Nizar, Javairia Khalid, Fyezah Jehan

Department of Paediatrics and Child Health

Background: Selenium (Se), an essential trace mineral, has been implicated in preterm birth (PTB). We aimed to determine the association of maternal Se concentrations during pregnancy with PTB risk and gestational duration in a large number of samples collected from diverse populations.
Methods: Gestational duration data and maternal plasma or serum samples of 9946 singleton live births were obtained from 17 geographically diverse study cohorts. Maternal Se concentrations were determined by inductively coupled plasma mass spectrometry analysis. The associations between maternal Se with PTB and gestational duration were analysed using logistic and linear regressions. The results were then combined using …

Cosm Diversity & Inclusion Newsletter, Georgia Southern University

College of Science & Mathematics: News & Publications (2012-2022)

• Welcome The Diversity & Inclusion newsletter is delivered monthly via email during the fall and spring semesters and is always available on the new COSM D&I webpage. Send contributions and suggestions to any of the COSM D&I Ambassadors listed at the bottom of this newsletter and on the webpage.

Flipped Laboratory Sessions Using Video Vignette And Active Learning: A Hybrid Approach For Online Teaching, Sabah Farhat, Rehana Rehman, Syeda Sadia Fatima

Department of Biological & Biomedical Sciences

No abstract provided.