Digital Commons Network^™

Investigation Of The Combined Effects Of Temperature And Nutrients On Chlorophyll-A Concentration In The Tigris River, Baghdad, Yaqeen Ameen, Jinan S. Al-Hassany

Baghdad Science Journal

Rivers are exposed to global warming and eutrophication, which in turn affect phytoplankton biomass in rivers. This study investigates the changes in Chl-a concentration, an indicator of phytoplankton biomass. A microcosm experiment was conducted, with water sampling from the Tigris River in Baghdad during the wet season. Temperature increase was based on raising the temperature by 3 °C higher than the ambient temperature, while nutrient enrichment was based on the mean values of soluble reactive NO_3^-1 and PO_4^-3 verified in the Tigris River. Variations in Chl-a concentration are associated with changes in WT and nutrient enrichment; …

Characterization And Proteolytic Activity Of Arum Palaestinum Extract, Omar M. Atrooz, Saba Khaled

Baghdad Science Journal

Medicinal plants have been utilized to treat a wide range of diseases and have constituted a primary source of bioactive compounds for pharmaceutical development. Plant proteases are essential in regulating metabolic pathways that influence gene expression and remove unfavourable metabolites. The current study aims to evaluate the in vitro proteolytic and bioactivity of the methanolic leaf extract of Arum palaestinum. The plant extract's TPC, antioxidant, anti-inflammatory, and anti-hemolytic activities were determined using colorimetric methods, and the proteolytic activity was assessed using casein as a substrate. The investigations revealed that the extracts possess anti-inflammatory properties of 90–95%, with IC_{50 …}

Molecular Detection Of Neospora Caninum In The Placentas And Umbilical Cord Blood Of Women Who Experienced Abortions, Musafer Al-Ardi

Baghdad Science Journal

The relationship between Neosporosis infection in humans and its potential role in causing abortion remains uncertain. This is a molecular analytical cross-sectional study of Neospora caninum in the placentas and umbilical cord blood from aborted women. The results will be compared with molecular examinations of the placentas from several aborted livestock. 157 samples of placentas from aborted cows (58), sheep (51), and goats (48) were collected. In addition, 115 aborted fetal samples of cows (42), sheep (40) and a goat (33) were collected. Also, from aborted women, 45 samples were collected from the placentas and 45 samples of umbilical cord …

Sexual Dimorphism, Reproductive Biology, And Growth Patterns Of Sumatran Combtail (Belontia Hasselti, Cuvier 1831) From The Kelekar River, South Sumatra, Indonesia, Muslim Muslim, Edo Saputra, Selly Oktarina, Muhammad Rizky Ariansyah Putra

Baghdad Science Journal

Sexual dimorphism, reproductive biology, and growth patterns are fundamental knowledge in fisheries studies. This study aimed to analyze the sexual dimorphism, reproductive biology, and growth patterns of Belontia hasselti. Samples were collected in the Kelekar River, South Sumatra, Indonesia. Traditional fishing gear, specifically fish traps (``bubu'' and ``pengilar''), was used to catch fish samples. The samples were transported to the Basic Fisheries Laboratory of the Universitas Sriwijaya for collecting study parameters. A total of 100 B. hasselti were used in this study: 56 males (TL: 8.00-13.24 cm, BW: 9.50-37.49 g) and 44 females (TL: 8.00-13.99 cm, BW: 9.00-38.99 g). …

Flavonoid Profiling, Molecular Docking, And Modulatory Effects Of Artemisia Herba- Alba Leaf Extract On Ace2 And Tmprss2 Gene Expression, Zainab Tuama Al-Dallee, Kawther Tuma Khalaf, Ula M. Noor Al-Mousawi, Hiba Najeh Alsaad, Emad Yousif Awad Al-Sultan

Baghdad Science Journal

Several studies have reported the potential antiviral activity of Artemisia species, which is related mainly to their flavonoid constituents. Transmembrane serine protease 2 (TMPRSS2) and angiotensin-converting enzyme 2 (ACE2) are critical SARS-CoV-2 entry factors. In this study, the phytochemical composition and modulatory effects of Artemisia herba-alba leaf extract on the gene expression of ACE2 and TMPRSS2 were investigated. To identify the flavonoid profile, HPLC was used. Cytotoxicity was estimated in A549 carcinoma and HDFn fibroblasts using an MTT assay (IC₅₀ = 114.8 μg/mL). The real-time PCR results revealed significant upregulation of TMPRSS2 gene expression (2.4-fold, p ≤ 0.01; …

Biol A112l Human Anatomy And Physiology Ii Laboratory Syllabus, Kathleen Nevis

Publications

Human Anatomy and Physiology II Laboratory syllabus with links to open access textbook.

Biol A112 Human Anatomy And Physiology Ii Lecture Syllabus, Kathleen Nevis

Publications

A Human Anatomy and Physiology II Lecture syllabus with links to open access textbook.

Holy Cross Magazine, Vol. 60 No. 2, Summer 2026, College Of The Holy Cross

Holy Cross Magazine

For a GoodTime, Call ...
How Holy Cross’ Goodtime Marching Band and Bettertime Pep Band deliver much more than music.
Story by Abby Riviello
Photography by Colin McAlister ’29

Read Like a Professor (on Summer Break)
Holy Cross faculty share the books they’re taking to the beach.
Story by Marybeth Reilly-McGreen ’89
Photography by Michael Ivins

Michelle Mondoux Paused at the Middle — And it Changed Everything
Stick with Associate Professor Michelle Mondoux and you’re going to learn a lot about biology in the classroom, and perhaps more about life beyond it.
Story by Abby Riviello
Photography by Michael Ivins …

Biol A111l:Human Anatomy And Physiology I Laboratory, Jeremy Nettleton

Publications

A Human Anatomy and Physiology I Lab syllabus with links to open access textbook.

Bat Species Acoustic Detections And Mist Net Captures 2017, 2018, 2019, 2022, 2023, 2025., Laroy Brandt

Faculty Peer-Reviewed Publications

No abstract provided.

Mtdna Analysis Of The Genetic Origin Of Jordanian Indigenous Chickens In Comparison With Ancient, Commercial, And Fancy Breeds, Raed Mahmoud Al-Atiyat

Baghdad Science Journal

Jordan indigenous chickens (JIC) are threatened with extinction since they are crossed with exotic chickens to enhance their low levels of production. The study objective was to investigate the origin, biodiversity, and phylogeographic structure of JIC using mtDNA sequencing in reference to exotic chickens. We sampled 483 males and females by taking a blood spot on an FTA card. We also sampled ancient, commercial, and fancy chickens from Jordan as references. The sampling regions were the main cities and rural areas of the Middle, North and South governorates of Jordan. The extracted DNA from blood samples was sequenced for the …

Distributional Dynamics And Patterns Of Co-Existence In Dung Beetles (Tribe: Onitini) Across Agricultural Landscapes Of Punjab, Pakistan, Takhmina Nazir, Mubashar Hussain

Baghdad Science Journal

Dung beetles (Scarabaeidae: Scarabaeinae) play a crucial role in dung removal and nutrient cycling. We assessed the distributional patterns of diversity of the tribe Onitini across 12 subdivisions in Gujranwala, Gujrat, and Sialkot districts of Punjab, Pakistan. Surveys were conducted twice a month with an inter-visit interval of ∼2 weeks by placing three pitfall traps along each 1000 m transect, each spaced ∼330 m apart. Data were collected from nine traps placed along three transects at each location within the subdivisions. Gujrat district demonstrated the highest species richness, recording all 11 species, followed by Sialkot and Gujranwala. Onitis castaneus was …

Impact Of Dissolved Organic Carbon And Temperature On Phytoplankton Biomass In An Outdoor Study, Ruaa Abass Lafta, Mohammed Hamdan

Baghdad Science Journal

Altered environmental conditions in aquatic ecosystems through Dissolved Organic Carbon (DOC) input and increased temperature influence phytoplankton communities. To assess the impacts of climate change as both single and combined effects of DOC inputs and temperature on phytoplankton growth, we conducted an outdoor experiment including four sets of conditions in triplicate: a) control, b) DOC treatment, c) temperature treatment, and d) DOC and temperature treatment. We added 10 mg/L of glucose (C₆H₁₂O₆) as a source of DOC. The warming treatment increased the water temperature by 3°C above the control (p-value < 0.05). The DOC treatment significantly affected pH, CO₂, and DOC …

Seed Germination And In Vitro Micropropagation Of Tulipa Gesneriana, Teeba Hassan Abdul-Karim, Sumaya F. Hamad

Baghdad Science Journal

An effective method for the in vitro propagation of Tulipa gesneriana was developed using Murashige and Skoog (MS) medium. Seeds were first cultured on hormone-free MS medium, achieving %90 germination after 30 days. Seedlings were obtained, and flowering stem explants excised from these seedlings were used for callus induction. The best callus formation was obtained on MS medium supplemented with thidiazuron (TDZ1.5mg/L) and 2,4-dichlorophenoxyacetic acid (2,4-D1.5mg/L). Shoot proliferation was most effective on MS medium containing 2.0 mg/L benzyladenine (BA) and 0.2 mg/L indole-3-butyric acid (IBA), and bulb formation was promoted by 0.5 mg/L BA, producing 3–4 bulbs per explant, while …

The Effect Of Spirulina Supplementation Into The Basal Diet On The Productivity And Environmental Cost Of Thin-Tailed Lambs Fattening, Nadlirotun Luthfi, Edy Rianto, Sutaryo Sutaryo, Endang Purbowati, Hasna Fajar Suryani

Baghdad Science Journal

Spirulina platensis is a supplement that has a good impact on the growth performance of lambs, but information about the amount of this substance in feed efficiency and environmental impact is still required to be determined. The study aimed to examine the effect of the supplementation level of Spirulina platensis in the basal diet on the productivity and environmental costs of Thin-tailed lambs fattening. Twenty-four male lambs (aged 4 months; weighing 14.99 kg) were allocated to a completely randomized design with 4 treatments and six replications in each treatment. The treatments were 1) 100% basal diet without Spirulina supplementation (T0); …

Antagonistic Activities Of Pseudomonas Aeruginosa Exoproducts Against Methicillin-Resistant Staphylococcus Aureus, Sirwan M. Muhammed Ameen

Baghdad Science Journal

The rise of Methicillin-resistant Staphylococcus aureus (MRSA) poses a serious global health threat and reduces the efficacy of current treatments. The present study investigates the antibacterial and antibiofilm properties of exoproducts from Pseudomonas aeruginosa against MRSA. The confirmation of the identities of P.aeruginosa and S.aureus was achieved through the sequencing of the 16S rRNA gene. Using the agar diffusion assay, the cell-free supernatants (PA-CFS) derived from both the extensively drug-resistant (XDR) P. aeruginosa strain and the reference strain ATCC 27853 demonstrated notable antibacterial activity against MRSA, exhibiting inhibition zones ranging from 28.67 ± 0.33 to 33.33 ± 0.33 mm and …

Adsorption And Kinetic Study Of Toxic Dye (Methylene Blue) Removal From Simulated Industrial Wastewater Using Sustainable Material, Zahraa H. Obaid, Jasim M. Salman, Alaa R. Omran, Noor S. Naji

Baghdad Science Journal

Water pollution is a global issue that affects both human health and the environment. The increasing use of the methylene blue (Mb) dye in various industrial applications poses significant risks. The study aimed to use hydrochloric acid-modified Ziziphus Spina Christi powdered leaves (ZSC) as an effective and low-cost adsorbent for removing Mb dye from effluents. Batch experiments were conducted with contact times of 10–180 minutes, initial dye concentrations of 10–60 mg/L, temperatures of 25–60°C, pH values of 5–9, and sorbent dosages of 0.25-2 g per 40 ml of dye solution. The results showed that the highest removal efficiency of Mb …

Ecological Health Risk Assessment Of Some Heavy Metals In Dust From Some Nursery And Primary Schools Of Al-Kut City, Iraq, Wisam Thamer Al-Mayah, Zahraa Zahraw Al-Janabi, Isam Hani Hameed

Baghdad Science Journal

Heavy metals in dust are considered one of the most important environmental consequences of human activities. The objectives of this study are to investigate the ecological risk of heavy metals on human health in the dust of schools in Kut City, Iraq. The dust samples were collected from 25 primary schools and kindergartens. The pH, EC, TDS, and concentrations of heavy metals (Pb, Ni, Cr, Cd, Zn, Co, Mn) were measured. The heavy metals were analyzed using an atomic absorption spectrophotometer. The contamination factor (CF), enrichment factor (EF), and pollution load index (PLI) were calculated. The results showed that the …

Qoe Enhancement For Video Streaming Based On Attention U-Net Model, Iman Kadhum Abbood, Doaa Ayed Mohammed, Israa Hadi Ali, Sarah Abdul-Ridha Abed

Baghdad Science Journal

Video streaming services, including YouTube, Netflix, and Amazon, account for a large portion of global internet traffic. Therefore, the maintenance of high visual quality is very important to user satisfaction and overall Quality of Experience (QoE) for these users. However, fluctuating bandwidth often causes frame drops and motion discontinuities, resulting in visual artifacts and degraded QoE. Although existing video frame interpolation methods attempt to address these challenges, most remain limited in their ability to sustain performance under bandwidth-constrained environments. To overcome these limitations, IncepU-Net has been introduced. IncepU-Net is proposed as an enhanced U-Net architecture that integrates multi-scale inception modules …

Land Cover Changes And Distribution Of Carbon Stocks In The Tembawang Agroforestry Area, Bengkayang Regency, West Kalimantan, Indonesia, Rafdinal Rafdinal, Riza Linda, Adityo Raynaldo, Eko Subrata

Baghdad Science Journal

Tembawang agroforestry represents a traditional forest management system practiced by Dayak communities in Kalimantan and is recognized for its ecological and livelihood functions. This study examines land cover changes and carbon stock distribution in Tembawang agroforestry in Cipta Karya Village, West Kalimantan. The research applied a combination of field surveys and remote sensing using Sentinel satellite imagery from 2019 and 2023. Vegetation data were collected through observation plots to assess species composition, density, and biomass for carbon estimation using allometric equations. A total of 17 tree species were identified across Tembawang and rubber forest areas. Four species showed the highest …

Bio 340 Final Project: Effects Of Zoning On Fish Density Along The Great Barrier Reef, Mary Lamoriello

Biology Student Scholarship

Mary Lamoriello - Environmental Biology '27

Over the years, there have been many marine parks and restricted fishing zones established along the Great Barrier Reef to maintain biodiversity and coral health. The goal of these zones is to create an ”undisturbed” area, where species can flourish. Many different species reside in this reef and play important ecological roles. Parrotfish help maintain coral health by grazing on algae, and the presence of carnivores often indicate a diverse and healthy ecosystem. This project aims to examine the differences in species distribution between zones along the Magnetic Island, by looking at carnivorous and …

Bio 340 Final Project: Rural Population Structure And Food Production Interact To Shape Global Undernourishment, Ava Ripanti

Biology Student Scholarship

Ava Ripanti - Environmental Biology '27

Undernourishment remains a major global public health challenge, reflecting the proportion of a population lacking sufficient dietary energy intake. While food availability is central to food security, undernourishment is also shaped by structural and socioeconomic factors such as population distribution and access to resources. Although rural populations are closely tied to agriculture, they often experience higher food insecurity due to limited infrastructure, market access, and healthcare. Prior research emphasizes that broader determinants, particularly inequality and development, are stronger predictors of undernourishment than agricultural output alone, that food insecurity exists in both rural and urban …

Bio 340 Final Project: Effects Of Light Pollution On Bat Activity, Cael Schneider

Biology Student Scholarship

Cael Schneider - Environmental Biology ‘28

Artificial light at night (light pollution) is an increasing consequence of urbanization and can disrupt nocturnal wildlife. Bats are especially susceptible, as they rely on dark skies for navigation, predator avoidance, and foraging. The effects of artificial light may vary among species due to differences in foraging strategies, habitat use, and light tolerance.  Previous research has documented negative effects of artificial light on bat foraging, roosting, breeding, and hibernation. However, some species, such as red bats, may forage near artificial lights where insects are abundant. Species including the big brown bat, hoary bat, and …

Bio 340 Final Project: A Comparative Analysis Of German And French Energy Policy, Adam Garies

Biology Student Scholarship

Adam Garies - Environmental Biology ‘28

European energy systems have undergone rapid transformation over the past two decades, with countries adopting different strategies to reduce carbon emissions. This divergence is particularly evident between Germany and France. Following the Fukushima disaster in 2011, Germany accelerated its nuclear phase-out, while France has declared its commitment to nuclear energy. Nuclear energy however, is an important step towards reducing carbon emissions. Excluding nuclear energy from energy plans will lead to a rise in reliance on potent fossil fuels like coal and natural gas, resulting in greater carbon emissions, even with an emphasis on expanding …

Life Histories Of Two Sgcn Procambarus Species In East Texas, Mckenzie A. Adkins

Biology Theses

Within freshwater systems, crayfish play notable roles by shaping habitats and linking food web levels. Yet even with such influence, knowledge about numerous species is incomplete, which hinders protection strategies. Found only in the Neches River basin in eastern Texas, Procambarus nechesae and Procambarus nigrocinctus have different conservation statuses, mainly because data on their life history remains sparse. These two species are not closely related and are analyzed independently in this study. Research into traits tied to survival and environmental preferences was carried out so that informed decisions on conservation efforts can be made for these species. The goal of …

Bio 340 Final Project: Artificial Reef Effects On Fishing Productivity, Griffin Gouck

Biology Student Scholarship

Griffin Gouck - Environmental Biology '26

A slew of artificial reefs can be seen dotting the Gulf of America. Some result from catastrophic shipwrecks and others from construction dumping; however, all provide an opportunity for the development of marine ecosystems. The question of how artificial reefs effect local fish populations is an expansive concept extremely hard to simplify down to a basic relationship. The development of reefs is a delicate process taking place over many years of growth. Previous studies utilized a combination of resources like theoretical models, field data and comparisons to natural reefs to study how these artificial …

The Spark, Karen Jackson

Quill & Scope

No abstract provided.

Bio 23 Human Anatomy & Physiology I Syllabus, Rujin Tian

Open Educational Resources

The syllabus for BIO 23 contains a course description, course objectives, course readings divided by week and a link to an OER textbook.

Enrichment Of The Thermophilic Archaea Gearchaeales And Calditenuis In Lab Culture, Walter Saldivar

Electronic Theses, Projects, and Dissertations

Numerous microbes on Earth have yet to be grown in pure cultures and studied in the laboratory. Cultivation-independent genomic methods, such as metagenomics, can help us predict their metabolic capabilities, but cultivation remains valuable for testing these predictions. These uncultivated microbes are very diverse, especially within hot springs. Examples of these uncultivated microbes include the genus Calditenuis (formerly Aigarchaeota Group 1) and the order Gearchaeales; they are often abundant in terrestrial hot springs such as Great Boiling Springs (GBS) in Nevada. Previous work allowed for the establishment of laboratory enrichment cultures inoculated from sediments of GBS containing Calditenuis and …

Vitaltitration Predicts Fermentation Performance Of Phylogenetically Distinct Saccharomyces Cerevisiae Yeast Strains, Samantha White Ms

All Student Scholarship

Accurate assessment of yeast physiological health is essential for achieving consistent, efficient, and predictable beer fermentations. Although yeast vitality is more predictive of fermentation performance than viability alone, no universally adopted vitality assay currently exists in the brewing industry. This thesis investigates vitaltitration (VT) as a rapid, robust, and brewery-feasible method for quantifying yeast vitality and predicting fermentation performance. We hypothesize that VT provides a reliable measure of metabolic competence that correlates with fermentation kinetics across brewery-relevant yeast strains. To test this hypothesis, VT was evaluated alongside Acidification Power (AP) in structured serial-fermentation experiments in two phylogenetically distinct brewing yeasts: …