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Filtro per: Degree Name Honors Bachelor of Science (H.B.S.) Cancella il filtro Degree Name: Honors Bachelor of Science (H.B.S.) Non-Academic Affiliation Oregon State University. Bioresource Research Cancella il filtro Non-Academic Affiliation: Oregon State University. Bioresource Research

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Risultati della ricerca

Opportunities and Limitations in Achieving Real-Time Observation of Soil Nitrate

Creatore:

Auld, Ryan A.

Abstract:

There are many possible benefits that can arise from the ability to take real-time measurements of soil water nitrate concentrations in a field, from ecological to agricultural to industrial reasons. In order to achieve this, we adapted a NitraLED sensor with a ceramic porous cup in order to allow diffusion...

Resource Type:

Honors College Thesis
Light quality manipulation for the solvent extraction of phycocyanin from Oregon freshwater cyanobacteria

Creatore:

Gregor, Katelin

Abstract:

Phycocyanin, a photosynthetic pigment-protein complex produced by cyanobacteria, has critical value in the medical field at high purity. Costs associated with the extraction of this pigment are high, emphasizing the importance of optimal growth conditions. The aim of this study was to investigate potential commercial producers of phycocyanin by evaluating...

Resource Type:

Honors College Thesis
Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

Creatore:

Pimont, Cedric

Abstract:

Forest harvest practices can impact nutrient concentrations and stream temperatures, altering aquatic ecosystems. To better inform future sustainable forest resource management practices, quantifying the impact of current practices on water quality, particularly in headwater streams is important. In this study, I quantified monthly nitrate-nitrite (N) and orthophosphate (P) concentrations, 7-day...

Resource Type:

Honors College Thesis
Understanding polycyclic aromatic hydrocarbon (PAH) toxicity and inflammation in human bronchial epithelial cells

Creatore:

Valdez, Teresa

Abstract:

There is increased emphasis on understanding cumulative risk from the combined effects of chemical and non-chemical stressors as it relates to public health. Recent animal studies have identified pulmonary inflammation as a possible modifier and risk factor for chemical toxicity in the lung after exposure to inhaled pollutants; however, little...

Resource Type:

Honors College Thesis
Effects of selenium supplementation during different trimesters of pregnancy on non-specific humoral immunity of pregnant beef cows and persistence of antibodies in their newborn calves

Creatore:

Thompson-Hernandez, Ian

Abstract:

Immunosuppression during the periparturient period leads to increased susceptibility to infectious diseases in beef cows. Newborn calves rely on passive transfer of antibodies from their mothers at birth for protection against diseases in the first two months of age. It is unknown if supranutritional Se supplementation of cows during pregnancy...

Resource Type:

Honors College Thesis
A Comparative Analysis of Mercury and Lead in Sindoor from the U.S. and Bangladesh

Creatore:

Breen, Anna K.

Abstract:

Heavy metals have historically been popular for use in cosmetics manufacturing due to the colorful pigmentation of heavy metal compounds. In the case of sindoor, a cosmetic used by married Hindu women for religious purposes, mercury sulfide, lead tetroxide, and lead chromate are compounds suspected to still be involved in...

Resource Type:

Honors College Thesis
Addressing ALS: Corroborating the Methodology of Studying the P2X7R Complex

Creatore:

Veytsman, Edward Y.

Abstract:

Amyotrophic lateral sclerosis (ALS) is characterized by the degeneration of motor neurons in the motor cortex and spinal cord. Recent evidence suggests that the purine receptor P2X7 (P2X7R) plays a central role in the pathology of ALS. Previous research indicates that P2X7R activation by oxidatively modified heat shock protein 90...

Resource Type:

Honors College Thesis
Genotyping Cytochrome P450 1B1*3(Phase I) and Glutathione S-transferase Mu 1 null (Phase II), Metabolizing Enzymes in a [14C]Benzo[a]pyrene Human Micro Dosing Study

Creatore:

Luo, Yun L.

Abstract:

Polycyclic Aromatic Hydrocarbons (PAHs) have been studied for their carcinogenic toxicity. PAHs are formed by incomplete carbon combustion. Benzo[a]pyrene (BaP) is an IARC classified Class 1 Human carcinogenic PAH. New studies are conducted to gain a better understanding of PAHs and how to reduce exposure. Glutathione S-transferase M 1 (GSTM1...

Resource Type:

Honors College Thesis
Impact of Polycyclic Aromatic Hydrocarbons on Barrier Function Toxicity in 3D Lung Model from Normal and Asthmatic Donor Cells

Creatore:

Huynh, Celine T.

Abstract:

Polycyclic aromatic hydrocarbons (PAHs) are known to cause adverse health effects in the human lung. Here, we evaluated biomarkers relevant for PAH toxicity in a 3D human primary bronchial epithelial cell (HBEC) model collected from normal and asthmatic donors. We previously found that PAHs decrease cellular barrier function integrity, which...

Resource Type:

Honors College Thesis
Characterizing PM2.5 with Different Source Contributions

Creatore:

Perez, Allison Mae S.

Abstract:

Ubiquitous fine particulate matter (PM2.5) exposures significantly impact global public health, yet little is known about the mechanisms causing these known adverse health effects. Oxidative stress due to PM2.5 associated chemical constituents, such as polycyclic aromatic hydrocarbons (PAHs), is a proposed possible mechanism for PM2.5 mediated health effects. Variations in...

Resource Type:

Honors College Thesis

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Academic Affiliation

Crop and Soil Science1

Advisor

Ramsey, Stephen A.3
Williams, David E.3
Frei, Balz2
Mata, John2
Mehl, Ryan A.2
altri Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1999 to 2024

View distribution

Unknown 2

Committee Member

Field, Katharine G.11
Field, Kate7
Field, Katharine4
Field, Katherine3
Bermudez, Luiz2
altri Committee Members »

Creator

Bernert, Ann2
Brown, Wesley2
Chilcote, Emma T.2
Choudhury, Mudra2
Fraher, Simon2
altri Creators »

Contributor

Abugrain, Mostafa1
Andrews, Shannon1
Duc, Lam T.1
Hopmans, Jan1
Kleber, Markus1
altri Contributors »

Date

Date range begin – Date range end

Current results range from 1999 to 2023

View distribution

Decade

2020-20299
2010-201942
2000-200913
1990-19991

Degree Field

BioResource Research65
International Studies2
Animal Sciences1
Biochemistry and Biophysics1
Biology1
altri Degree Fields »

Degree Level

Bachelor's65

Degree Name

Honors Bachelor of Science (H.B.S.)[remove]65
Honors Bachelor of Arts (H.B.A.)2

Formato

application/pdf11
application/vnd.ms-powerpoint2
application/msword1

Language

English [eng]65

License

All rights reserved44
Attribution 4.0 (CC BY 4.0)3
Attribution-NoDerivatives 4.0 (CC BY-ND 4.0)1
Attribution-NonCommercial-NoDerivatives 4.0 (CC BY-NC-ND 4.0)1

Non-Academic Affiliation

Oregon State University. Bioresource Research[remove]65
Oregon State University. Honors College59
Oregon State University. Beginning Researchers Support Program1
Oregon State University. Center for Genome Research and Biocomputing1
Oregon State University. Continuing Researchers Support Program1
altri Non-Academic Affiliations »

Peer Reviewed

No65

Tipo di risorsa

Honors College Thesis60
Presentation12
Undergraduate Thesis2

Rights Statement

In Copyright65

Soggetto

Amyotrophic lateral sclerosis1
Antibacterial agents1
Arabidopsis thaliana -- Genetics1
Black vine weevil1
Butterfly bushes -- Effect of glyphosate on -- Oregon1
altri Soggettos »

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