Digital Commons Network^™

Synthesis Of Gold Nanoparticles Using Hordeum Vulgare Leaf Extract And Their Antibacterial Activity, Mohamed M. Sehree, Shakir Ghazi Gergees, Pakhshan A. Hassan

Karbala International Journal of Modern Science

Plant extracts and gold nanoparticles are promising alternatives for combating antibiotic resistance in light of the increasing bacterial resistance. Leaf extract of barley was used to synthesize gold nanoparticles (AuNPs). Barley gold nanoparticles (BL-AuNPs) were produced by adjusting some reaction parameters. These BL-AuNPs were characterized through employing the UV-visible spectroscopy technique, the scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), and energy dispersive X-ray spectroscopy (EDX). BL-AuNPs were tested for antibacterial efficacy against two strains of Gram-negative bacteria, clinically isolated and considered as multidrug-resistant pathogens, Acinetobacter baumannii and Salmonella typhi. The antimicrobial efficiency of the compounds was evaluated …

The Impact Of Microplastics On Water Quality, Heavy Metals, And Health Risks In Bioflocbased Tilapia Farming Systems, Dian Rizky Afriani, Deswati Deswati, Rahmiana Zein, Putri Ramadhani

Karbala International Journal of Modern Science

Along with microplastics, pollution of heavy metals, including iron (Fe), zinc (Zn), and copper (Cu), in freshwater ecosystems poses a serious environmental threat that can adversely affect human health. This study investigates the use of biofloc technology to reduce microplastic and heavy metal contamination while improving water quality. By utilizing microbial aggregates that capture microplastic and heavy metal particles through flocculation and biosorption processes, four experimental treatments were applied, i.e.: A (without biofloc and microplastics); B (with biofloc, without microplastics); C (with biofloc and low-density polyethylene microplastics); and D (with biofloc and high-density polyethylene microplastics). The results indicate that fish …

An Artist Takes Flight, Sarah Moss

The Voice

No abstract provided.

A Storybook Ending For Janie Van Donge, Ryan Timmerman

The Voice

No abstract provided.

A Case Of Class Iii Malocclusion With Obstructive Sleep Apnea Treated By Orthodontic Treatment Combined Two-Jaw Orthognathic Surgery, Chao-Yu Lu, Yu-Feng Chen, Yu-Chuan Tseng

Taiwanese Journal of Orthodontics

This case report presents a successful treatment outcome of a 24-year-old male patient who was diagnosed with moderate type of obstructive sleep apnea (OSA) (AHI, 22.8). Cephalometric analysis demonstrates skeletal Class III jaw relation with mandibular prognathism, hyperdivergent facial pattern, Angle’s Class III malocclusion, and anterior cross-bite. Treatment intervention included orthodontic treatment combined with two-jaw orthognathic surgery and genioglossus advancement (GGA). In total treatment period of 14 months, the patient was satisfied with not only the improvement of facial profile and occlusion, but also his sleep quality.

Orthodontic Management Of Angle Class I Malocclusion With Unilateral Mandibular First Molar Loss And Generalized Gingival Recession, Ming-Che Wu, Hsin-Yi Lo, Ming-Ju Lee

Taiwanese Journal of Orthodontics

This case report presents the treatment of Angle Class I malocclusion in a 28-year-old female patient with a missing right mandibular first molar and generalized gingival recession. The treatment plan involved whole-arch distalization in the upper dentition, relief of crowding under the condition of pre-existing gingival recession, space closure of the right mandibular first molar area, with substitution of teeth 47 and 48 for better final occlusion. Anchorage strategies included sequential distalization of upper buccal segment with the aid of temporary anchorage devices before anterior alignment. The closure of the right mandibular first molar space was achieved with uprighting and …

Moving A Maxillary Incisor Across The Midline For Substitution Of Contralateral Missing Incisor In A Multiple Anterior Teeth Missing Patient, Ling-Yu Huang, Chun-Liang Kuo, Chun-Hsiu Yang, Ting-Wei Liu

Taiwanese Journal of Orthodontics

Loss of permanent maxillary incisor causes a significant esthetic problem, and there are various treatment options for rehabilitation. Moving the contralateral tooth across the facial midline for substitution of missing tooth is a possible treatment alternative for closing the maxillary anterior space.

This report presents an unusual treatment for a bimaxillary protrusion patient who typically requires premolar extraction to improve the convex profile. However, due to multiple missing anterior teeth, the left maxillary central incisor was moved across the facial midline to substitute the absent contralateral tooth, resulting in an improved profile after treatment.

The case was an 18-year-old female …

Establishment Of Cephalometric Norms Using Tetragon Analysis In Nepali Adults With Normal Skeletal Relationship, Rashmi Bhattarai, Rabindra Man Shrestha, Jyoti Dhakal

Taiwanese Journal of Orthodontics

Introduction: Cephalometric analysis is a cornerstone in orthodontic diagnosis and treatment planning, enabling precise evaluation of craniofacial structures. Among the various methods, Tetragon analysis offers a unique visual approach to evaluate the maxillo-mandibular relationship. This is based on two geometric constructs, the tetragon representing the maxillo-dento-mandibular complex and the trigon, a complimentary triangle situated above it. Considering the significant genetic and environmental variations in craniofacial development, cephalometric norms established for one population may not be applicable to others.

Objective: This study aimed to establish normative cephalometric values for Tetragon analysis among Nepali adults with normal skeletal relationships.

Materials and Methods: …

Comparative Evaluation Of Trueness And Precision Of Intraoral Scanners For Maxillary Casts In Cleft Lip And Palate: A 3d Study, Rattiya Chuacharoen, Prajak Jariyapongpaiboon, Kaviya Kanokpongsak

Taiwanese Journal of Orthodontics

Objectives: The purpose of this study was to compare the trueness and precision of 5 different intraoral scanning devices in maxillary cleft lip and palate (CLP) models. Material and Methods: One complete unilateral and one complete bilateral CLP model were each scanned by TRIOS E4, a laboratory scanner, and recorded in a standard tessellation language (STL) file as a reference scan. These models were then scanned using five different intraoral machines: TRIOS 4; Straumann Virtuo Vivo; Medit i500; Aoralscan 3; and Panda P2. Each CLP model was scanned 10 times, and the files were saved as test scans. …

Rebooting A Foundational Reading Program With Recent Evidence From The Science Of Reading, Kate Franz, Bong Gee Jang

The Language and Literacy Spectrum

The Science of Reading (SOR) movement has reshaped literacy education, emphasizing evidence-based instructional materials and practices. School districts have been propelled to evaluate existing instructional materials and to consider adopting new reading programs. This article examines how Road to Reading (RTR), an evidence-based program that aligns with the SOR focus on phonics and word recognition, can be updated to reflect newer research. Rather than a full overhaul, this paper proposes a “reboot”— targeted updates that refine the five-step lesson structure. Key improvements include expanded assessments, phonemic awareness integration, motivational supports, and instructional scaffolds to better meet diverse learner needs.These targeted …

Using Facebook To Discuss The Science Of Reading, Erica Barnes, Jaime Puccioni, Abigail Ferris

The Language and Literacy Spectrum

Students in U.S. elementary schools continue to experience difficulty learning to read, with some attributing these difficulties to a lack of alignment with the Science of Reading (SOR). Social media plays a prominent role in disseminating information about the SOR, serving as a platform for discussion and debate that reflects many tenets of effective online professional development (OPD). The current study examines how one group of educators on social media sought out and discussed information related to the SOR. Content analysis was utilized to determine how contributors engaged with the group and what pedagogical content knowledge and SOR topics were …

Supporting The “Feelings And Language Of Thinking” And Meaning-Making In Elementary Student-Directed Inquiry Projects, Katarina N. Silvestri

The Language and Literacy Spectrum

This qualitative study investigates how three teachers attend to and pedagogically support socioemotional aspects of fifth-grade students’ learning during student self-directed inquiry projects called the Kids Inquiry Conference (KIC) using Spradley’s domain and taxonomic analyses of classroom observation and interview data. Theoretical underpinnings meet at the intersection of affective neuroscience, socioemotional competencies, and a Deweyan perspective of inquiry learning, emplacing this study within literature exploring the range of affective factors impacting elementary learners engaged in student-centered inquiry projects (e.g., identity work, motivation, self-regulation, etc.). KIC involved students self-selecting and developing research questions, designing a science activity, writing up a scientific …

“It’S Like Everything Changed:” Implementing A Blended Literacy Learning Intervention To Increase Engagement, Michael J. Hockwater

The Language and Literacy Spectrum

Sixth-grade Academic Intervention Services (AIS) students at Wyndemere Middle School (WMS) in Western New York demonstrated a lack of engagement in AIS English Language Arts (ELA) class. In hopes of increasing their engagement, the teacher-researcher implemented a blended learning intervention that incorporated aspects of the flipped classroom model and student-selected texts. The findings of this action research qualitative case study were promising, with many student participants expressing an increased sense of engagement and enjoyment of AIS ELA class.

Strategic Considerations For Integrating Digital Technology And Literacy Learning, Christine N. Green

The Language and Literacy Spectrum

In an era of rapidly advancing technology, integrating digital tools into literacy instruction has become a vital component of effective educational practice. This article presents findings from a case study examining how digital technology was incorporated into the literacy block of a first-grade classroom. Through sixteen hours of classroom observation and three teacher interviews, four key strategic considerations emerged for planning literacy activities that utilize educational technology. These activities enriched student learning by encouraging engagement through multiple modes of literacy. These strategic considerations include building digital connections that complement instructional goals, strategically adding digital tools, allowing students to lead, and …

Beyond The Book Cover: Learning About Peritextual Features In A Book Club, Jan Lacina, Avery Penman, Maddie Baldikoski

The Language and Literacy Spectrum

Holding conversations about setting, character, and plot are important conversations in a book club, but just as important are conversations about book features. This classroom practice article describes our experience teaching about peritextual features during a book club with children with learning difficulties.

Exploring Culturally Informed Approaches To Book Read-Aloud With Young Children, Raquel Plotka

The Language and Literacy Spectrum

Early childhood is a critical period for language and literacy development. One-way adults introduce children to the world of books is through picture books read-aloud. Adults from different cultural background engage in this activity differently, and to date, the early childhood field has emphasized a constructivist approach to book reading typical in individualistic cultures. Other approaches to reading books that are common in collectivist cultures have not been explored. The present study investigated the reading styles teachers (n = 40) use in naturalistic settings and compared the advantages of using individualistic versus collectivist styles related to children participation and …

Centering English Language Learners’ Literacy Through The Use Of Ai-Powered Tools To Enhance Teacher And Student Success, Shalander Samuels, Alecia Blackwood

The Language and Literacy Spectrum

There has been an increase in the number of English Language Learners (ELs) and, therefore, an increase in the number of linguistic diversities in the general classroom nationwide (Clark-Gareca et al., 2020; Cullen, 2015). Technology has been utilized to promote and support English Learners' success as it can be a significant tool for scaffolding and differentiating instruction (Abobaker & Moleta, 2025; Wolf et al., 2016). Artificial Intelligence (AI), to be specific, has emerged as transformative when supporting ELs across K-20 academic spaces, especially with the increasing demand to integrate technology into learning. AI creates pathways to effectively support the needs …

Centering Black Girl Love: Unearthing Black Girls’ Truths In A Predominantly White, Loveless Elementary School, Tyana R. Velazquez-Smith

The Language and Literacy Spectrum

This study examines the transformative power of literacy as a tool for healing, resistance, and revolutionary love in the lives of BLACK girls navigating predominantly white elementary school spaces. Revolutionary love is conceptualized as practices of care, affirmation, and joy that challenge systemic oppression while fostering belonging and possibility. Conducted in an elementary school in upstate New York, this research follows eleven participants from kindergarten through fourth grade, exploring their lived experiences and literacy practices during English Language Arts (ELA) instruction.

Drawing on Brian Street’s (1984) assertion that literacy is a social practice shaped by cultural and power dynamics, this …

Route Guidance And Adaptive Suspension Damping Based On Road Quality Sensing, Prashant Surana, Matt Delmage

Defensive Publications Series

Drivers face challenges due to inconsistent and unpredictable road conditions, which can lead to discomfort, increased vehicle wear, and potential safety hazards. Existing digital map and navigation systems lack the ability to provide real-time data on road surface quality, including potholes, cracks, or unevenness. This disclosure describes the use of dash cameras (or other on-board cameras of a vehicle) and other on-vehicle sensors to automatically detect road surface anomalies. This can be achieved by analyzing image data of the road surface of an empty road and by observing the motion of other vehicles in response to road surface variation. The …

Smart Flags For Data Center Fleet Optimization, Na

Defensive Publications Series

Hardware and software systems such as data centers, compute clusters, etc., have a high degree of parametric configurability, e.g., dozens of true/false settings, constants, thresholds, etc. Parametric settings can significantly impact performance. The space of parameters is too vast to explore manually. Parametric settings in test environments may not predict behaviors in production environments. This disclosure describes techniques that leverage machine learning to explore the parameter space of a hardware/software system and to choose an optimal set of parameters that provides a performant system. Components used to implement the techniques include a control system for describing and adjusting parameters within …

College Corps: A 90 Day Onboarding Plan–And Beyond, Marylou Bagus-Hansen, John Caceres, W. Kent Rogers

Benerd College Student Articles

The University of San Diego (USD) is one of the participating campuses to host College Corps (CC) Fellows, and one of four private institutions among the 45. Assigned 130 fellowship members, USD has the largest cohort of its private counterparts and recently added three additional full-time staff members who started approximately four months ago. USD now has a total number of five staff, the largest staff to student ratio of private institutions (Top 10 Learnings, 2023).

While California Volunteers (CV) provided some guidance for the implementation and launch of the program, this guidance was disproportionately focused on the recruitment and …

Modeling Heterogeneity In Cognitive Trajectories In The Framingham Heart Study, Yuan Fang, Jiachen Chen, Jesse Mez, Claudia L. Satizabal, Michael L. Alosco, Wei Qiao Qiu, Margaret F. Doyle, Joanne M. Murabito, Kathryn L. Lunetta

Pharmacy Faculty Scholarship

Introduction: The prevalence of cognitive impairment in the population is growing; however, there is substantial heterogeneity in the rate of decline across different cognitive domains. Harmonized factor scores measuring memory, executive function, and language domains have been created in the Framingham Heart Study (FHS). Methods: This work identified FHS participants with two or more repeated factor scores after age 60 and fitted latent class mixed models (LCMM) to cluster cognitive trajectories within each domain. Non-linear shapes of trajectories were modeled piecewise linearly, followed by stepwise selections to select cluster-specific change points. Results: We identified different latent classes of participants with …

Effects Of Heating Orientation On Flow Boiling In Copper Manifold Microchannel Heat Sinks, Huigang Wang, Yue Qiu, Jennifer Carter, James Mcguffin-Cawley, Chirag R. Kharangate

Faculty Scholarship

Recently, two-phase cooling configurations are being proposed to meet the power dissipation requirements of high heat flux electronic devices. Flow boiling in Manifold Microchannel (MMC) offers high heat transfer coefficients with low pressure drops, making it a popular choice. While many studies have explored flow boiling in microchannels, the influence of heating orientation in MMCs with complex 3D flow paths has not been investigated thoroughly. In this study, experiments are conducted to investigate the effects of heating orientations and mass flow rates on heat transfer performance, pressure drop, and the hysteresis phenomenon during flow boiling in a copper manifold microchannel …

Phytoremediation Of Lead Heavy Metals In The Mangrove Ecosystem Of The Lembar Harbor Area, West Lombok Regency, Indonesia, Firman Ali Rahman/Firman, Muhammad Shohibul Ihsan, Dwi Agustini, Ervina Titi Jayanti

Makara Journal of Science

Mangroves play a vital role as bioindicator plants in port areas with the potential for non-essential heavy metal contamination. This study aimed to determine the potential for phytoremediation of lead heavy metal in mangrove vegetation resulting from port operations. The research was conducted in the mangrove ecosystem of Lembar Harbor, West Lombok Regency, West Nusa Tenggara, Indonesia. Substrate, leaf, and root samples were collected using a purposive random sampling technique and analysis for testing the lead heavy metal content using atomic absorption spectrophotometry. The results showed that the average heavy metal content of lead accumulated in the substrate in each …

In Vitro Regeneration Potential Of Pistacia Integerrima And Pistacia Khinjuk Rootstocks: A Modeling Approach For Optimal Medium Formulation, Heydem Eki̇nci̇, Beki̇r Erol Ak

Turkish Journal of Agriculture and Forestry

Micropropagation involves the development of whole plants from small meristematic tissues by culturing them in vitro under aseptic conditions on a nutrient medium. However, identifying a single nutrient medium suitable for propagating Pistacia, a recalcitrant species, remains challenging. While some species exhibit good growth on Murashige and Skoog (MS) medium, Pistacia species generally yield insufficient results. To address this, a five-dimensional experimental design was developed using Design- Expert software (Stat-Ease Inc., Minneapolis, MN, USA). Thirty-three experimental databases were generated by the software using the modified I-optimal criterion. MS medium served as the control treatment. A response surface model (RSM) employing …

Advances In Research On Noble Gas As Tracers Of Geofluids And Helium Enrichment, Gao Yu, Liu Quanyou, Zhu Dongya, Wu Xiaoqi, Li Pengpeng

Coal Geology & Exploration

Background Noble gases emerge as significant tools for tracing the sources and evolutionary processes of geofluids due to their chemical inertness and different isotopic compositions across varying reservoirs. Helium serves as a noble gas tracer and a scarce resource, and its enrichment mechanisms and exploration potential have attracted wide attention.Methods Based on a summary of the geochemical data of typical gas reservoirs, volcanic gases, and surface hot springs at home and abroad, this study analyzed the interfering factors and end-member value screening in the source apportionment of noble gases. Furthermore, it summarized the applications of noble gas isotopes in …

Current Status And Future Trends Of Seismic Prediction And Assessment Technology For Coalbed Methane Reservoirs, Wu Haibo, Zhang Pingsong, Xu Shi’Ang, Huang Yaping, Dong Shouhua, Cheng Yan, Li Donghui, Zhang Sheng, Zhang Min

Coal Geology & Exploration

Background The seismic prediction and assessment technology for coalbed methane (CBM) reservoirs has undergone rapid development for over three decades, playing an indispensable role in CBM exploration. Methods This study reviews the development history and current status of core technologies within the seismic prediction and assessment technical system for CBM reservoirs, including seismic-petrophysical tests, modeling and inversion, seismic wavefield simulation, seismic amplitude versus offset (AVO) inversion and seismic attribute inversion, and integrated seismic prediction of the sweet spot areas of CBM reservoir resources and engineering. Furthermore, this study delves into the impacts and limitations of the characteristics of CBM reservoirs, …

Geochemical Nature Of The Geothermal Water From Lanzhou Basin: Implications For The Genesis Of Shallow Helium-Bearing Fluids, Tang Jianzhou, Wang Shuangming, Zhang Zhicheng, Li Ke, Li Changpeng

Coal Geology & Exploration

Objective and Methods Investigations on the geochemical nature of geothermal water are vital to the comprehension of the origin of helium-rich fluids in shallow basins. To address this issue, this paper reports the results of the chemical analysis, H-O isotopes and ¹⁴C ages from geothermal water and soluble gas components from the well BY-1 in Lanzhou Basin, northeastern margin of Qinghai Tibet Plateau. Chemical analysis of geothermal water samples reveals that the chemical type of geothermal water is NaCl. The show δD value of –78‰, high δ¹⁸O value (–8.7‰), low ³H value (<0.4TU), and old ¹⁴C …

Impacts Of Metakaolin And Fly Ash On The Performance Of Cement-Based Grouting Materials In Anchoring Engineering, Cheng Zhiyuan, Yang Junpeng, Xue Wei, Wei Daidong, Wang Yimin

Coal Geology & Exploration

Objective The filling of grouting materials plays a significant role in ensuring the performance of anchoring structures. This study aims to further enhance the fluidity of grouting materials, reduce their dry shrinkage in the curing process, and ensure complete filling. This will help improve the bonding property between the anchoring body and the rock and soil mass to be reinforced. Methods Using cement as the primary material, as well as fly ash and metakaolin as admixtures, this study designed and prepared 20 groups of binary and ternary mixtures and one control group. Through tests of the fluidity, bleeding ratios, and …

Organ Of Corti Macrophages: A Distinct Group Of Cochlear Macrophages With Potential Roles In Supporting Cell Degeneration And Survival, Mengxiao Ye, Celia Zhang, Dalian Ding, Guang-Di Chen, Henry J. Adler, Rania Sharaf, Bo Hua Hu

Pacific Faculty Work

Macrophages are the primary immune cells in the cochlea, essential for maintaining cochlear homeostasis and orchestrating inflammatory responses to pathological events. Although these cells have been found in various parts of the cochlea, their presence in the organ of Corti, a critical structure for acoustic sensing, remains poorly understood. The present study was designed to examine macrophage responses to ototoxic drug-induced cochlear damage and age-related cochlear degeneration, with a particular focus on the pathological conditions that trigger macrophage recruitment into the organ of Corti. We used a model of ototoxicity induced by cyclodextrin, a cyclic oligosaccharide known for its ability …