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Articles 91 - 120 of 244
Full-Text Articles in Entire DC Network
Site-Specific Glyco-Engineering Of Recombinant Thrombomodulin, Joseph M. Keil
Site-Specific Glyco-Engineering Of Recombinant Thrombomodulin, Joseph M. Keil
ETD Archive
Thrombomodulin (TM), a membrane glycoprotein predominately expressed on endothelium, plays essential roles in regulating local hemostatic balance. Particularly, TM modulates the activity of thrombin from a procoagulant to an anticoagulant protease. When bound to TM, thrombin activates plasma protein C, which selectively inactivates coagulation factors Va and VIIIa. At the same time, TM-bound thrombin is unable to cleave fibrinogen or to activate platelets diminishing its procoagulant activity. recombinant TM456 is a promising anticoagulant candidate, but it has a very short half-life. TM is a proteoglycan and its O-linked glycosaminoglycan (GAG), chondroitin sulfate (CS), on the D3 domain contributes to TM’s …
Toxicity Of Different Insecticides To Sitophilus Oryzae, Tribolium Castaeneum And Tribolium Confusum Infesting Corn, Amina Twaibu
Toxicity Of Different Insecticides To Sitophilus Oryzae, Tribolium Castaeneum And Tribolium Confusum Infesting Corn, Amina Twaibu
Graduate Theses and Dissertations
Corn is an important cereal crop cultivated across various countries, including the United States. Corn serves multiple purposes such as human and livestock food and raw material for industrial processes. Despite being an important crop, corn production faces challenges due to factors such as weather fluctuations and the presence of insect pests and diseases, both in the field and during storage. Among these challenges, insect infestation poses a major threat, as the insect damage not only reduces the quantity and quality of the grain but also renders it unfit for human and animal consumption, leading to a decrease in market …
Kdm5b As A Potential Epigenetic Regulator Of Cardiomyocyte Regeneration And Cell Cycle Activation., Dana Hammouri
Kdm5b As A Potential Epigenetic Regulator Of Cardiomyocyte Regeneration And Cell Cycle Activation., Dana Hammouri
Electronic Theses and Dissertations
The limited regenerative capacity of adult cardiomyocytes (CMs) is manifested in prevalent morbidity and mortality associated with ischemic heart disease. We previously demonstrated that a combination of four cell cycle factors (4F) promotes efficient cell division in differentiated CMs. The temporal transcriptional reprogramming in the 4F-transduced CMs indicates that epigenetic modifications mediate the cell cycle progression. Through small molecule screening, we evaluated the epigenetic impact on CM’s response in the 4F-transduced CMs. We identified the histone demethylase 5B (KDM5B), which through in vitro and ex vivo genetic knockdown and overexpression studies, exhibited a modulative effect on CM’s cell cycle plasticity …
Contributions To Robust Statistical Learning And Its Applications In Biological Spectral Imaging, Ruogu Wang
Contributions To Robust Statistical Learning And Its Applications In Biological Spectral Imaging, Ruogu Wang
Legacy Theses & Dissertations (2009 - 2024)
This thesis investigates robust statistical learning and its applications in biological spectral imaging. The first part of this thesis addresses the challenges raised in the statistical learning of robust expectile regression. Expectiles can be obtained through empirical risk minimization (\acrshort{erm}), which minimizes the sum of asymmetrically weighted squared deviations. However, this \acrshort{erm} scheme lacks robustness to abnormal observations and flexibility. To overcome these limitations, we adopt the empirical gain maximization (\acrshort{egm}) scheme that learns expectiles using an asymmetric Gaussian \acrshort{egm} approach. The corresponding \acrshort{erm} can be formulated with a robust expectile loss, which is bounded and nonconvex. Through a learning …
Use Of Biorational Products For Botrytis Management In Floriculture Crops, Josselyn Calidonio
Use Of Biorational Products For Botrytis Management In Floriculture Crops, Josselyn Calidonio
All Theses
Botrytis cinerea is an important pathogen that has a significant economic impact on the floriculture industry from propagation to the postharvest environment. Chemical fungicide applications have been one of the main approaches that growers use for botrytis blight management; however, studies have shown that the indiscriminative use of these chemicals leads to fungicide resistance (Brent and Hollomon, 1998; Fillinger and Elad 2016). This thesis explores the potential use of biorational products for botrytis blight management. Biorationals are defined as compounds that have low or no direct mammalian toxicity and few effects on the environment (Paulitz and Belanger 2001). A review …
Synthesis And Reactivity Of Heteroatom Embedded Cycloalkynes In Spaac, Nickel Catalyzed Alkylarylation Of Alkenes, And Carbofluorination Of Alkynes, Namrata Khanal
Chemistry and Chemical Biology ETDs
Part I covers Chapters 1, 2, and 3
cycloaddition reactions, that is utilized in biorthogonal chemistry. This metal free version The strain promoted azide-alkyne cycloaddition (SPAAC) reaction is one of the popular 1,3-dipolar of click reaction offers advantage over copper catalyzed click reaction. Since it eliminates the use of copper that is toxic to cells, it is considered favorable for biocompatible reaction. Due to the increased reactivity with dipoles without the use of metal catalyst, cycloalkynes, in particular cyclooctynes, have been employed as the biorthogonal reagent in biorthogonal chemical reaction for the study of a biological processes in vivo. The …
Biomimetic Aerosol Exposure System For In Vitro Human Airway Exposure Studies, Samantha Emma Sarles
Biomimetic Aerosol Exposure System For In Vitro Human Airway Exposure Studies, Samantha Emma Sarles
Theses
Tobacco use remains the number one cause of preventable death in the United States, disproportionately affecting residents of rural areas, people who are financially disadvantaged, and adults who identify as gay, lesbian, or bisexual. The impact that electronic cigarettes will have on public health is not yet fully understood. Combinations of electronic cigarette products, human airway geometries, and user behaviors create barriers to understanding products’ interaction with the human airway and their health effects. Current in vitro emissions systems, also called smoking robots, lack biomimicry, use unrealistic flow conditions, produce unrealistic aerosol dose, and provide inaccurate bio-mechanical cues to cell …
Abyssal Hydrothermal Springs-Cryptic Incubators For Brooding Octopus, James P. Barry, Steven Y. Litvin, Andrew Devogelaere, David W. Caress, Chris F. Lovera, Amanda S. Kahn, Erica J. Burton, Chad King, Jennifer B. Paduan, C. Geoffrey Wheat, Fanny Girard, Sebastian Sudek, Anne M. Hartwell, Alana D. Sherman, Paul R. Mcgill, Aaron Schnittger, Janet R. Voight, Eric J. Martin
Abyssal Hydrothermal Springs-Cryptic Incubators For Brooding Octopus, James P. Barry, Steven Y. Litvin, Andrew Devogelaere, David W. Caress, Chris F. Lovera, Amanda S. Kahn, Erica J. Burton, Chad King, Jennifer B. Paduan, C. Geoffrey Wheat, Fanny Girard, Sebastian Sudek, Anne M. Hartwell, Alana D. Sherman, Paul R. Mcgill, Aaron Schnittger, Janet R. Voight, Eric J. Martin
Faculty Research, Scholarly, and Creative Activity
Does warmth from hydrothermal springs play a vital role in the biology and ecology of abyssal animals? Deep off central California, thousands of octopus (Muusoctopus robustus) migrate through cold dark waters to hydrothermal springs near an extinct volcano to mate, nest, and die, forming the largest known aggregation of octopus on Earth. Warmth from the springs plays a key role by raising metabolic rates, speeding embryonic development, and presumably increasing reproductive success; we show that brood times for females are ∼1.8 years, far faster than expected for abyssal octopods. Using a high-resolution subsea mapping system, we created landscapescale maps and …
Electron-Transfer Mediated Photo-Switching In Nanoparticles, Liaoran Cao
Electron-Transfer Mediated Photo-Switching In Nanoparticles, Liaoran Cao
All Dissertations
Previous publications from our lab demonstrated viable approaches to design a photo-switching nanoparticle with arguably superior brightness and photostability resulting in an improved resolution in localization-based microscopy, as compared to other photo-switching dyes or particles. As a follow-up, this dissertation is focused on two major tasks: first, developing nanoparticles with better photo-switching properties for super-resolution imaging; second, trying to achieve a better physical picture of the mechanisms involved in photo-switching, including polaron dynamics, charge transfer, and energy transfer. A new class of photo-switchable nanoparticles was developed by blending conjugated polymer semiconductor with fullerene-based electron acceptors, and further blending with polystyrene …
Polymorphisms In The Nonhomologous End-Joining Dna Repair Pathway Are Associated With Hpv Integration In Cervical Dysplasia, Jennifer M Geris, E Susan Amirian, Deborah A Marquez-Do, Martial Guillaud, Laura M Dillon, Michele Follen, Michael E Scheurer
Polymorphisms In The Nonhomologous End-Joining Dna Repair Pathway Are Associated With Hpv Integration In Cervical Dysplasia, Jennifer M Geris, E Susan Amirian, Deborah A Marquez-Do, Martial Guillaud, Laura M Dillon, Michele Follen, Michael E Scheurer
Center for Medical Ethics and Health Policy Staff Publications
Previous evidence indicates that HPV integration status may be associated with cervical cancer development and progression. However, host genetic variation within genes that may play important roles in the viral integration process is understudied. The aim of this study was to examine the association between HPV16 and HPV18 viral integration status and single nucleotide polymorphisms (SNPs) in non-homologous end-joining (NHEJ) DNA repair pathway genes on cervical dysplasia. Women enrolled in two large trials of optical technologies for cervical cancer detection and positive for HPV16 or HPV18 were selected for HPV integration analysis and genotyping. Associations between SNPs and cytology (normal, …
Bruno Latour's Constructivism And Its Implications For The New Agency Of Sociology, Robertus Robet, U. Abdul Rozak R
Bruno Latour's Constructivism And Its Implications For The New Agency Of Sociology, Robertus Robet, U. Abdul Rozak R
Masyarakat: Jurnal Sosiologi
Abstract
Latour removes the boundaries between natural sciences and humanities. Science for Latour is cultural practise, at the same time in every cultural practice, nature and objects are also actively involved. In that sense, Latour's constructivism encourages the emergence of non-human actors as drivers of the societal changes. By that, he provoked sociology to expand its subject matter. The Social in sociology must be seen as an association involving human and non-human actors.
Key words: Constructivism, Expansion of agency, actant, actor network theory.
Reproductive Biology Of Rasbora Philippina At Lake Wood For Basis Management, Jerson A. Genovia, Manuel B. Barquilla, Marjohn Y. Baludo
Reproductive Biology Of Rasbora Philippina At Lake Wood For Basis Management, Jerson A. Genovia, Manuel B. Barquilla, Marjohn Y. Baludo
Journal of Environmental Science and Sustainable Development
Rasbora philippina is an endemic species in Mindanao Island, Philippines. Its reproductive biology remains unstudied despite its economic importance to the local inhabitants of the lake, the Subanen tribe. Due to its marketability, Rasbora faces local threats. Thus, the formulation of fishery management and conservation recommendations is highly recommended. A research-made survey was used to interview fishermen in the lake, and fish samples were collected using a seine net with a catch per unit effort of three or four from March to May 2019. Water samples were collected using a Niskin water sampler at 1 m and 15 m depths …
Konstruktivisme Bruno Latour Dan Implikasinya Terhadap Ide Keagenan Sosiologi, Robertus Robet, U Abdul Rozak R
Konstruktivisme Bruno Latour Dan Implikasinya Terhadap Ide Keagenan Sosiologi, Robertus Robet, U Abdul Rozak R
Masyarakat: Jurnal Sosiologi
Abstract
Latour removes the boundaries between natural sciences and humanities. Science for Latour is cultural practise, at the same time in every cultural practice, nature and objects are also actively involved. With that, Latour's constructivism encourages the emergence of non-human actors as drivers of the societal changes. With that he provoked sociology to expand its subject matter. The Social in sociology must be seen as an association involving human and non-human actors.
Beginner's Guide To Common Native Bees, Cody Zesiger, Elizabeth Cohen, Hannah Jarvis, Lori R. Spears, Ricardo Ramirez
Beginner's Guide To Common Native Bees, Cody Zesiger, Elizabeth Cohen, Hannah Jarvis, Lori R. Spears, Ricardo Ramirez
All Current Publications
Utah is a superb place for beginning bee enthusiasts. Over 1,000 species of native bees exist in Utah (Cane, 2015). Southern Utah alone has approximately the same number of bee species as the entire eastern U.S. coast. There are many reasons for appreciating bees and encouraging their presence in the landscape. Specifically, bees are key to a sustainable environment as they are essential pollinators of food and fiber crops. Bees can also be appreciated for their striking diversity in color and size. This fact sheet highlights the different bee species that you may see in Utah.
A First Checklist Of Native Names And Ethnozoological Notes Of Snakes (Squamata: Serpentes) From Kichwa And Shiwiar Territories At The Amazonian Ecuador, H. Mauricio Ortega-Andrade, Diana Astudillo Bravo, Eliana Ordóñez-Checa
A First Checklist Of Native Names And Ethnozoological Notes Of Snakes (Squamata: Serpentes) From Kichwa And Shiwiar Territories At The Amazonian Ecuador, H. Mauricio Ortega-Andrade, Diana Astudillo Bravo, Eliana Ordóñez-Checa
Neotropical Biodiversity
No abstract provided.
Agricultural Research Service Weed Science Research: Past, Present, And Future, Stephen L. Young, James V. Anderson, Scott R. Baerson, Joanna Bajsa-Hirschel, Dana M. Blumenthal, Chad S. Boyd, Clyde D. Boyette, Eric B. Brennan, Charles L. Cantrell, Wun S. Chao, Joanne C. Chee-Sanford, Charlie D. Clements, F. Allen Dray, Stephen O. Duke, Kayla M. Eason, Reginald S. Fletcher, Michael R. Fulcher, Brenda J. Grewell, Erik P. Hamerlynck, Robert E. Hoagland, David P. Horvath, Eugene P. Law, Daniel E. Martin, Clint Mattox, Steven B. Mirsky, Patrick J. Moran, Rebecca C. Mueller, Vijay K. Nandula, Beth A. Newingham, Zhiqiang Pan, Lauren M. Porensky, Paul D. Pratt, Andrew J. Price, Brian G. Rector, Krishna N. Reddy, Roger L. Sheley, Lincoln Smith, Melissa C. Smith, Keirith A. Snyder, Matthew A. Tancos
Agricultural Research Service Weed Science Research: Past, Present, And Future, Stephen L. Young, James V. Anderson, Scott R. Baerson, Joanna Bajsa-Hirschel, Dana M. Blumenthal, Chad S. Boyd, Clyde D. Boyette, Eric B. Brennan, Charles L. Cantrell, Wun S. Chao, Joanne C. Chee-Sanford, Charlie D. Clements, F. Allen Dray, Stephen O. Duke, Kayla M. Eason, Reginald S. Fletcher, Michael R. Fulcher, Brenda J. Grewell, Erik P. Hamerlynck, Robert E. Hoagland, David P. Horvath, Eugene P. Law, Daniel E. Martin, Clint Mattox, Steven B. Mirsky, Patrick J. Moran, Rebecca C. Mueller, Vijay K. Nandula, Beth A. Newingham, Zhiqiang Pan, Lauren M. Porensky, Paul D. Pratt, Andrew J. Price, Brian G. Rector, Krishna N. Reddy, Roger L. Sheley, Lincoln Smith, Melissa C. Smith, Keirith A. Snyder, Matthew A. Tancos
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) has been a leader in weed science research covering topics ranging from the development and use of integrated weed management (IWM) tactics to basic mechanistic studies, including biotic resistance of desirable plant communities and herbicide resistance. ARS weed scientists have worked in agricultural and natural ecosystems, including agronomic and horticultural crops, pastures, forests, wild lands, aquatic habitats, wetlands, and riparian areas. Through strong partnerships with academia, state agencies, private industry, and numerous federal programs, ARS weed scientists have made contributions to discoveries in the newest fields of robotics and genetics, as well …
Pediatric Phase 2 Trial Of A Wee1 Inhibitor, Adavosertib (Azd1775), And Irinotecan For Relapsed Neuroblastoma, Medulloblastoma, And Rhabdomyosarcoma, Kristina A Cole, Heba Ijaz, Lea F Surrey, Mariarita Santi, Xiaowei Liu, Charles G Minard, John M Maris, Stephan Voss, Joel M Reid, Elizabeth Fox, Brenda J Weigel
Pediatric Phase 2 Trial Of A Wee1 Inhibitor, Adavosertib (Azd1775), And Irinotecan For Relapsed Neuroblastoma, Medulloblastoma, And Rhabdomyosarcoma, Kristina A Cole, Heba Ijaz, Lea F Surrey, Mariarita Santi, Xiaowei Liu, Charles G Minard, John M Maris, Stephan Voss, Joel M Reid, Elizabeth Fox, Brenda J Weigel
Faculty, Staff and Students Publications
BACKGROUND: Inhibition of the WEE1 kinase by adavosertib (AZD1775) potentiates replicative stress from genomic instability or chemotherapy. This study reports the pediatric solid tumor phase 2 results of the ADVL1312 trial combining irinotecan and adavosertib.
METHODS: Pediatric patients with recurrent neuroblastoma (part B), medulloblastoma/central nervous system embryonal tumors (part C), or rhabdomyosarcoma (part D) were treated with irinotecan and adavosertib orally for 5 days every 21 days. The combination was considered effective if there were at least three of 20 responses in parts B and D or six of 19 responses in part C. Tumor tissue was analyzed for alternative …
Trackable And Scalable Lc-Ms Metabolomics Data Processing Using Asari., Shuzhao Li, Amnah Siddiqa, Maheshwor Thapa, Yuanye Chi, Shujian Zheng
Trackable And Scalable Lc-Ms Metabolomics Data Processing Using Asari., Shuzhao Li, Amnah Siddiqa, Maheshwor Thapa, Yuanye Chi, Shujian Zheng
Faculty Research 2023
Significant challenges remain in the computational processing of data from liquid chomratography-mass spectrometry (LC-MS)-based metabolomic experiments into metabolite features. In this study, we examine the issues of provenance and reproducibility using the current software tools. Inconsistency among the tools examined is attributed to the deficiencies of mass alignment and controls of feature quality. To address these issues, we develop the open-source software tool asari for LC-MS metabolomics data processing. Asari is designed with a set of specific algorithmic framework and data structures, and all steps are explicitly trackable. Asari compares favorably to other tools in feature detection and quantification. It …
When A Calorie Is Not Just A Calorie: Diet Quality And Timing As Mediators Of Metabolism And Healthy Aging, Maria M Mihaylova, Amandine Chaix, Mirela Delibegovic, Jon J Ramsey, Joseph Bass, Girish Melkani, Rajat Singh, Zheng Chen, William W Ja, Michele Shirasu-Hiza, Mary N Latimer, Julie A Mattison, Anna E Thalacker-Mercer, Vishwa Deep Dixit, Satchidananda Panda, Dudley W Lamming
When A Calorie Is Not Just A Calorie: Diet Quality And Timing As Mediators Of Metabolism And Healthy Aging, Maria M Mihaylova, Amandine Chaix, Mirela Delibegovic, Jon J Ramsey, Joseph Bass, Girish Melkani, Rajat Singh, Zheng Chen, William W Ja, Michele Shirasu-Hiza, Mary N Latimer, Julie A Mattison, Anna E Thalacker-Mercer, Vishwa Deep Dixit, Satchidananda Panda, Dudley W Lamming
Faculty, Staff and Student Publications
An epidemic of obesity has affected large portions of the world, increasing the risk of developing many different age-associated diseases, including cancer, cardiovascular disease, and diabetes. In contrast with the prevailing notion that "a calorie is just a calorie," there are clear differences, within and between individuals, in the metabolic response to different macronutrient sources. Recent findings challenge this oversimplification; calories from different macronutrient sources or consumed at different times of day have metabolic effects beyond their value as fuel. Here, we summarize discussions conducted at a recent NIH workshop that brought together experts in calorie restriction, macronutrient composition, and …
Targeting Gbm With An Oncolytic Picornavirus Svv-001 Alone And In Combination With Fractionated Radiation In A Novel Panel Of Orthotopic Pdx Models, Huiyuan Zhang, Yuchen Du, Lin Qi, Sophie Xiao, Frank K Braun, Mari Kogiso, Yulun Huang, Frank Huang, Aalaa Abdallah, Milagros Suarez, Sekar Karthick, Nabil M Ahmed, Vita S Salsman, Patricia A Baxter, Jack M Su, Daniel J Brat, Paul L Hellenbeck, Wan-Yee Teo, Akash J Patel, Xiao-Nan Li
Targeting Gbm With An Oncolytic Picornavirus Svv-001 Alone And In Combination With Fractionated Radiation In A Novel Panel Of Orthotopic Pdx Models, Huiyuan Zhang, Yuchen Du, Lin Qi, Sophie Xiao, Frank K Braun, Mari Kogiso, Yulun Huang, Frank Huang, Aalaa Abdallah, Milagros Suarez, Sekar Karthick, Nabil M Ahmed, Vita S Salsman, Patricia A Baxter, Jack M Su, Daniel J Brat, Paul L Hellenbeck, Wan-Yee Teo, Akash J Patel, Xiao-Nan Li
Faculty, Staff and Students Publications
BACKGROUND: Animal models representing different molecular subtypes of glioblastoma multiforme (GBM) is desired for developing new therapies. SVV-001 is an oncolytic virus selectively targeting cancer cells. It's capacity of passing through the blood brain barrier makes is an attractive novel approach for GBM.
MATERIALS AND METHODS: 23 patient tumor samples were implanted into the brains of NOD/SCID mice (1 × 105 cells/mouse). Tumor histology, gene expression (RNAseq), and growth rate of the developed patient-derived orthotopic xenograft (PDOX) models were compared with the originating patient tumors during serial subtransplantations. Anti-tumor activities of SVV-001 were examined in vivo; and therapeutic efficacy validated …
The Development Of An Effective Synthetic Pathway To The Hiv Protease Inhibitor Darunavir And Its Structural Derivatives For Sar Studies Via An Asymmetric Glycolate Aldol Addition Reaction Approach, Emmanuel Ayim
Theses and Dissertations
The Centers for disease control and Prevention (CDC) published an article describing the disease that would later become known as HIV/AIDS in 1981. There were no treatments for this new disease, and by the time patients began exhibiting detectable symptoms, it would be too late to provide any meaningful treatments. Through the efforts made by the scientific community and social activism, new classes of drugs appeared for the treatment of this disease. These drugs are highly effective when combined with other therapeutic agents that suppress the proliferation of the virus. These combined therapies have helped alleviate the previously insurmountable risks …
The Art Of A Slugslayer: An Exploration Of The Process Of Extracting Radulae From Lehmannia Valentiana For The Purpose Of Viewing In The Scanning Electron Microscope, Elizabeth Gannon
Mahurin Honors College Capstone Experience/Thesis Projects
A radula is an anatomical structure found exclusively in mollusks that acts as both tongue and teeth in feeding. Its structure has been studied for more than a century, yet published methods for identifying, dissecting, and cleaning radulae for microscopy are almost unintelligible to anyone not already familiar with molluscan anatomy. The purpose of this project was to identify the best method of garden slug radula isolation and present it in a manner that anyone could understand and successfully use.
After identifying the location of the radula in the slug, the easiest means of removal proved to be simply regurgitating …
In Vitro Evaluation Of Antibacterial And Anticoagulant Activities Of Harmala Alkaloids Roots, Amel Benbott, Sabah Boukeria, Hakima Beldi, Kanza Kadi, Abdelouahab Yahia
In Vitro Evaluation Of Antibacterial And Anticoagulant Activities Of Harmala Alkaloids Roots, Amel Benbott, Sabah Boukeria, Hakima Beldi, Kanza Kadi, Abdelouahab Yahia
Journal of Bioresource Management
Peganum harmala L. is a wild herbal plant rich in active compounds, and is among the most used plants in local medicine. The purpose of this study is to contribute to the evaluation of some biological activities of alkaloids extract of P. harmala roots. Using the classical method of extraction of β-carboline alkaloids, the yield of alkaloids in the roots was estimated at 2.34 %. The thin layer chromatography (TLC) method identified the two components Harmine and Hrmaline in the total alkaloid extract of the roots. We evaluated the antibacterial activity of harmala alkaloids in roots against three referenced bacterial …
Assessment Of Antimicrobial Competence Of Epiphytes And Endophytes From Osmium Basilicum And Trigonella Foenum Graecum, Iram Asim, Atia Iqbal, Muhammad Ikrama Tanveer
Assessment Of Antimicrobial Competence Of Epiphytes And Endophytes From Osmium Basilicum And Trigonella Foenum Graecum, Iram Asim, Atia Iqbal, Muhammad Ikrama Tanveer
Journal of Bioresource Management
Plant-associated bacteria are an unexplored group of microorganisms that has enormous potential. These bacteria are the source of finding new antimicrobial substances. The present study aimed to isolate and characterize the epiphytes and endophytes from Osmium basilicum and Trigonella foenum graecum plants and to determine their antimicrobial potential against pathogenic bacteria from Nishtar Hospital Multan, Pakistan. The sum of 18 stems and roots along leaf specimens were assembled as of the plant's Osmium basilicum plus Trigonella foenum graecum as of the distinct locales of the Multan city. Overall 73 bacterial strains were isolated and their colony morphology, gram staining, spore …
Symbiotic Ucyn-A Strains Co-Occurred With El Niño, Relaxed Upwelling, And Varied Eukaryotes Over 10 Years Off Southern California, Colette Fletcher-Hoppe, Yi-Chun Yeh, Yubin Raut, J. L. Weissman, Jed A. Fuhrman
Symbiotic Ucyn-A Strains Co-Occurred With El Niño, Relaxed Upwelling, And Varied Eukaryotes Over 10 Years Off Southern California, Colette Fletcher-Hoppe, Yi-Chun Yeh, Yubin Raut, J. L. Weissman, Jed A. Fuhrman
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Biological nitrogen fixation, the conversion of N2 gas into a bioavailable form, is vital to sustaining marine primary production. Studies have shifted beyond traditionally studied tropical diazotrophs. Candidatus Atelocyanobacterium thalassa (or UCYN-A) has emerged as a focal point due to its streamlined metabolism, intimate partnership with a haptophyte host, and broad distribution. Here, we explore the environmental parameters that govern UCYN-A’s presence at the San Pedro Ocean Time-series (SPOT), its host specificity, and statistically significant interactions with non-host eukaryotes from 2008-2018. 16S and 18S rRNA gene sequences were amplified by “universal primers” from monthly samples and resolved into Amplicon …
Developing Microfluidic Devices For Biomolecule Analysis, Jacob Brent Nielsen
Developing Microfluidic Devices For Biomolecule Analysis, Jacob Brent Nielsen
Theses and Dissertations
Microfluidics can take laboratory processes and miniaturize them, which led to the term lab-on-a-chip. Microfluidic devices are fabricated with a variety of materials and methods, each offering distinct advantages for bioanalysis. This dissertation describes two methods to create these devices, with the use of four different materials to achieve different assay needs. In the first application in this dissertation, hot-embossed cyclic olefin copolymer was used to create microdevices to electrophoretically separate seven preterm birth biomarkers. One biomarker, thrombin-antithrombin III, cannot be purchased commercially so I developed methods for its assembly in the lab. Dot blots and mass spectrometry were used …
Preparation, Characterization, Antioxidant Activity Of 1-(2-Furoyl) Thiourea Derivatives And Study The Molecular Docking Of Them As Potent Inhibitors Of Urease Enzyme, Oday H. R. Al-Jeilawi, Abdullah Qays Oleiwi
Preparation, Characterization, Antioxidant Activity Of 1-(2-Furoyl) Thiourea Derivatives And Study The Molecular Docking Of Them As Potent Inhibitors Of Urease Enzyme, Oday H. R. Al-Jeilawi, Abdullah Qays Oleiwi
Baghdad Science Journal
In this work, we synthesized thirteen compounds of 1-(2-furoyl)thiourea derivatives 1-13 by conversion of 2-furoyl chloride to 2-furoyl isothiocyanate by reacting it with potassium thiocyanate in dry acetone in a quite short reflux time then, in the same pot, different of (primary and secondary amines) were added individually to achieve thiourea derivatives. The products were characterized spectroscopically using (FT-IR, 1H NMR and 13C NMR) techniques. Some of them were evaluated as antioxidant agents using DPPH radical scavenging method, and all were examined theoretically as enzyme inhibitors against Bacillus pasteurii urease (pdb id: 4ubp) and by studying molecular docking using Autodock …
Synthesis, Characterization And Antioxidant Activity Of New Azo Ligand And Some Metal Complexes Of Tryptamine Derivatives, Myasim Qasim Abdulridha, Abbas Ali Salih Al-Hamdani, Iftikhar Ahmed Hussein
Synthesis, Characterization And Antioxidant Activity Of New Azo Ligand And Some Metal Complexes Of Tryptamine Derivatives, Myasim Qasim Abdulridha, Abbas Ali Salih Al-Hamdani, Iftikhar Ahmed Hussein
Baghdad Science Journal
New Azo ligand (H2L) was synthesized by reactingthe tryptamine diazonium salt with a compound 4-aminophenol. The characterization was conducted using element microanalysis as well as spectroscopic techniques (UV-Vis, FTIR, 1H & 13C-NMR, and LC-Mass). Complexes for Ni,(II), Pd,(II), Pt,(IV), and Au,(III) were created and identified by using atomic absorption and elemental microanalysis .In addition spectral techniques (infrared, Mass, UV-Vis spectrum were used for magnetic and molar conductance measurements). Then using TGA and DSC curves was to examine the thermal stability of the compounds. Calculating the thermodynamic parameters ΔH, ΔS and ΔG included using the DCS curve. All complexes have a …
The Prevalence Of Electronic Cigarette Use Among College Students Of Taibah University And Symptoms Of Cardiovascular Disease, Talal Alzahrani, Marwan Fahad Alhazmi, Ahmed Naji Alharbi, Feras Talal Alahmadi, Amer Nasser Alhubayshi, Bader Ahmed Alzahrani
The Prevalence Of Electronic Cigarette Use Among College Students Of Taibah University And Symptoms Of Cardiovascular Disease, Talal Alzahrani, Marwan Fahad Alhazmi, Ahmed Naji Alharbi, Feras Talal Alahmadi, Amer Nasser Alhubayshi, Bader Ahmed Alzahrani
Journal of the Saudi Heart Association
Background: Electronic cigarettes (e-cigarettes) have been increasing in popularity among young adults due to the misconception about the safety of e-cigarettes. Our study aims to identify the prevalence rate of e-cigarette use among college students, the reason behind their use, and the relationship between the use of electronic cigarettes and cardiovascular symptoms among college students. Methods: An online questionnaire was sent to students of Taibah University between 2021 and 2022. Data from this survey were analyzed to obtain the prevalence of e-cigarette use among Taibah University students and to compare the demographic and health characteristics differences between e-cigarette users and …
Targeting Energy Intake And Circadian Biology To Engage Mechanisms Of Aging In Older Adults With Obesity: Calorie Restriction And Time-Restricted Eating, Satchidananda Panda, Geraldine Maier, Dennis T Villareal
Targeting Energy Intake And Circadian Biology To Engage Mechanisms Of Aging In Older Adults With Obesity: Calorie Restriction And Time-Restricted Eating, Satchidananda Panda, Geraldine Maier, Dennis T Villareal
Faculty, Staff and Students Publications
With the rise in obesity across age groups, it has been a hindrance to engaging in physical activity and mobility in older adults. Daily calorie restriction (CR) up to 25% has been the cornerstone of obesity management even though the safety in older adults remains incompletely understood. Although some adults can follow CR with clinically significant weight loss and improved health metrics, CR faces 2 obstacles-many fail to adopt CR and even among those who can adopt it short term, long-term compliance can be difficult. Furthermore, there is a continuing debate about the net benefits of CR-induced weight loss in …