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Articles 601 - 630 of 10789
Full-Text Articles in Entire DC Network
Employing Digital Pcr For Enhanced Detection Of Perinatal Toxoplasma Gondii Infection: A Cross-Sectional Surveillance And Maternalinfant Outcomes Study In El Salvador, Mary K. Lynn, Marvin Stanley Rodriguez Aquino, Pamela Michelle Cornejo Rivas, Xiomara Miranda, David F. Torres-Romero, Hanson Cowan, Madeleine M. Meyer, Willber D. Castro-Godoy, Mufaro Kanyangarara Ph.D., Stella C.W. Self Ph.D., Ms, Berry A. Campbell, Melissa S. Nolan Ph.D., Mph
Employing Digital Pcr For Enhanced Detection Of Perinatal Toxoplasma Gondii Infection: A Cross-Sectional Surveillance And Maternalinfant Outcomes Study In El Salvador, Mary K. Lynn, Marvin Stanley Rodriguez Aquino, Pamela Michelle Cornejo Rivas, Xiomara Miranda, David F. Torres-Romero, Hanson Cowan, Madeleine M. Meyer, Willber D. Castro-Godoy, Mufaro Kanyangarara Ph.D., Stella C.W. Self Ph.D., Ms, Berry A. Campbell, Melissa S. Nolan Ph.D., Mph
Faculty Publications
Toxoplasma gondii is a parasitic infection that can be transmitted in utero, resulting in fetal chorioretinitis and other long-term neurological outcomes. If diagnosed early, pregnancysafe chemotherapeutics can prevent vertical transmission. Unfortunately, diagnosis of acute, primary infection among pregnant women remains neglected, particularly in low-andmiddle-income countries. Clinically actionable diagnosis is complex due to the commonality of infection during childhood and early adulthood which spawn long-last antibody titers and historically unreliable direct molecular diagnostics. The current study employed a cross-sectional T. gondii perinatal surveillance study using digital PCR, a next generation molecular diagnostic platform, and a maternal-fetal outcomes survey to ascertain the …
Research: Why Do It?, Tom Goodwin
Can Listeners Differentiate Varieties Using Prosodic Information? Lect Identification In A Persona-Matching Task, Nicole Holliday, Rachel Steindel Burdin, Paul Reed
Can Listeners Differentiate Varieties Using Prosodic Information? Lect Identification In A Persona-Matching Task, Nicole Holliday, Rachel Steindel Burdin, Paul Reed
Faculty Publications
Sociolinguists and lay people have long been interested in the mechanisms by which dialect and speaker identification occur. The current study aims to test whether realizational differences found in production studies are salient factors in identification of different lects, as well as to examine differences between groups in identification. In this study, listeners were instructed to match clips containing H* and L+H* pitch accents with specific personae who represented speakers of five lects of interest (African American English, Jewish English, Appalachian English, Southern English, and Midwestern English). Listeners from different groups (Appalachian, African American, Jewish, and those who were not …
Can Listeners Differentiate Varieties Using Prosodic Information? Lect Identification In A Persona-Matching Task, Nicole Holliday, Rachel Steindel Burdin, Paul Reed
Can Listeners Differentiate Varieties Using Prosodic Information? Lect Identification In A Persona-Matching Task, Nicole Holliday, Rachel Steindel Burdin, Paul Reed
Faculty Publications
Sociolinguists and lay people have long been interested in the mechanisms by which dialect and speaker identification occur. The current study aims to test whether realizational differences found in production studies are salient factors in identification of different lects, as well as to examine differences between groups in identification. In this study, listeners were instructed to match clips containing H* and L+H* pitch accents with specific personae who represented speakers of five lects of interest (African American English, Jewish English, Appalachian English, Southern English, and Midwestern English). Listeners from different groups (Appalachian, African American, Jewish, and those who were not …
Management Of Aphids On Winter High Tunnel Crops, Samantha A. Willden, Allison Zablah, Anna Wallingford, Laura L. Ingwell
Management Of Aphids On Winter High Tunnel Crops, Samantha A. Willden, Allison Zablah, Anna Wallingford, Laura L. Ingwell
Faculty Publications
High tunnels offer several benefits to specialty crop growers including crop protection and season extension. Although crops are actively grown in high tunnels during the winter, few management recommendations exist for winter pests that are actively feeding and reproducing in this protected environment. This study evaluated the efficacy of three commercially available predators used for the augmentative biological control of aphids, Adalia bipunctata, Orius insidiosus, and Chrysoperla carnea, in combination with OMRI-approved pesticides labeled for aphids on spinach and strawberry. Pesticides included PyGanic (pyrethrin), Neemix (azadirachtin), and Sil-MATRIX (Potassium silicate). Laboratory and field experiments indicate high survival of biocontrol agents …
Structural Homology Of Mite Profilins To Plant Profilins Is Not Indicative Of Allergic Cross-Reactivity, Andrea O'Malley, Sahana Sankaran, Avery Carriuolo, Kriti Khatri, Krzysztof Kowal, Maksymilian Chruszcz Ph.D.
Structural Homology Of Mite Profilins To Plant Profilins Is Not Indicative Of Allergic Cross-Reactivity, Andrea O'Malley, Sahana Sankaran, Avery Carriuolo, Kriti Khatri, Krzysztof Kowal, Maksymilian Chruszcz Ph.D.
Faculty Publications
Structural and allergenic characterization of mite profilins has not been previously pursued to a similar extent as plant profilins. Here, we describe structures of profilins originating from Tyrophagus putrescentiae (registered allergen Tyr p 36.0101) and Dermatophagoides pteronyssinus (here termed Der p profilin), which are the first structures of profilins from Arachnida. Additionally, the thermal stabilities of mite and plant profilins are compared, suggesting that the high number of cysteine residues in mite profilins may play a role in their increased stability. We also examine the cross-reactivity of plant and mite profilins as well as investigate the relevance of these profilins …
Management Of Aphids On Winter High Tunnel Crops, Samantha A. Willden, Allison Zablah, Anna Wallingford, Laura L. Ingwell
Management Of Aphids On Winter High Tunnel Crops, Samantha A. Willden, Allison Zablah, Anna Wallingford, Laura L. Ingwell
Faculty Publications
High tunnels offer several benefits to specialty crop growers including crop protection and season extension. Although crops are actively grown in high tunnels during the winter, few management recommendations exist for winter pests that are actively feeding and reproducing in this protected environment. This study evaluated the efficacy of three commercially available predators used for the augmentative biological control of aphids, Adalia bipunctata, Orius insidiosus, and Chrysoperla carnea, in combination with OMRI-approved pesticides labeled for aphids on spinach and strawberry. Pesticides included PyGanic (pyrethrin), Neemix (azadirachtin), and Sil-MATRIX (Potassium silicate). Laboratory and field experiments indicate high survival of biocontrol agents …
Collaborative Publications, James L. Hayward, Shandelle M. Henson, Vanessa I. Corredera, L. Monique Pittman
Collaborative Publications, James L. Hayward, Shandelle M. Henson, Vanessa I. Corredera, L. Monique Pittman
Faculty Publications
No abstract provided.
Single-Cell Transcriptional Landscapes Of Bovine Peri-Implantation Development, Giovanna Nascimento Scatolin, Hao Ming, Yinjuan Wang, Rajan Iyyappan, Emilio Gutierrez-Castillo, Linkai Zhu, Masroor Sagheer, Chao Song, Kenneth Bondioli, Zongliang Jiang
Single-Cell Transcriptional Landscapes Of Bovine Peri-Implantation Development, Giovanna Nascimento Scatolin, Hao Ming, Yinjuan Wang, Rajan Iyyappan, Emilio Gutierrez-Castillo, Linkai Zhu, Masroor Sagheer, Chao Song, Kenneth Bondioli, Zongliang Jiang
Faculty Publications
Supporting healthy pregnancy outcomes requires a comprehensive understanding of the molecular and cellular programs of peri-implantation development, when most pregnancy failure occurs. Here, we present single-cell transcriptomes of bovine peri-implantation embryo development at day 12, 14, 16, and 18 post-fertilization. We defined the cellular composition and gene expression of embryonic disc, hypoblast, and trophoblast lineages in bovine peri-implantation embryos, and identified markers and pathway signaling that represent distinct stages of bovine peri-implantation lineages; the expression of selected markers was validated in peri-implantation embryos. Using detailed time-course transcriptomic analyses, we revealed a previously unrecognized primitive trophoblast cell lineage. We also characterized …
Acoustothermal Transfection For Cell Therapy, Xiufang Liu, Ning Rong, Zhenhua Tian, Joseph Rich, Lili Niu, Pengqi Li, Laixin Huang, Yandai Dong, Wei Zhou, Pengfei Zhang, Yizhao Chen, Congzhi Wang, Long Meng, Tony Jun Huang, Hairong Zheng
Acoustothermal Transfection For Cell Therapy, Xiufang Liu, Ning Rong, Zhenhua Tian, Joseph Rich, Lili Niu, Pengqi Li, Laixin Huang, Yandai Dong, Wei Zhou, Pengfei Zhang, Yizhao Chen, Congzhi Wang, Long Meng, Tony Jun Huang, Hairong Zheng
Faculty Publications
Transfected stem cells and T cells are promising in personalized cell therapy and immunotherapy against various diseases. However, existing transfection techniques face a fundamental trade-off between transfection efficiency and cell viability; achieving both simultaneously remains a substantial challenge. This study presents an acoustothermal transfection method that leverages acoustic and thermal effects on cells to enhance the permeability of both the cell membrane and nuclear envelope to achieve safe, efficient, and high-throughput transfection of primary T cells and stem cells. With this method, two types of plasmids were simultaneously delivered into the nuclei of mesenchymal stem cells (MSCs) with efficiencies of …
Magnetic Control Of Nonmagnetic Living Organisms, Ahmed Al Harraq, Min Feng, Hashir M. Gauri, Ram Devireddy, Ankur Gupta, Qing Sun, Bhuvnesh Bharti
Magnetic Control Of Nonmagnetic Living Organisms, Ahmed Al Harraq, Min Feng, Hashir M. Gauri, Ram Devireddy, Ankur Gupta, Qing Sun, Bhuvnesh Bharti
Faculty Publications
Living organisms inspire the design of microrobots, but their functionality is unmatched. Next-generation microrobots aim to leverage the sensing and communication abilities of organisms through magnetic hybridization, attaching magnetic particles to them for external control. However, the protocols used for magnetic hybridization are morphology specific and are not generalizable. We propose an alternative approach that leverages the principles of negative magnetostatics and magnetophoresis to control nonmagnetic organisms with external magnetic fields. To do this, we disperse model organisms in dispersions of Fe3O4 nanoparticles and expose them to either uniform or gradient magnetic fields. In uniform magnetic fields, living organisms align …
Broad-Spectrum Lignin-Based Adhesives Using Thiol–Silyl Ether Crosslinkers, Yishayah Bension, Siteng Zhang, Tristan Menninger, Ting Ge, Chuanbing Tang
Broad-Spectrum Lignin-Based Adhesives Using Thiol–Silyl Ether Crosslinkers, Yishayah Bension, Siteng Zhang, Tristan Menninger, Ting Ge, Chuanbing Tang
Faculty Publications
Lignin is a renewable feedstock that is abundant and inexpensive but still presents challenges for its valorization. In this work, we converted functionalized lignin into broad-spectrum adhesives using thiol–silyl ether crosslinkers. The curing behavior of adhesives was investigated via rheology of their resin forms. These materials exhibit good adhesion on diverse substrates, including wood, glass, steel, aluminium, carbon fiber, and different plastics, with the most adhesion strength in the range of 1–3 MPa. These adhesives were also explored for applications, ranging from wet conditions to different mechanically responsive materials. The mechanism of adhesion was further examined to understand the bonding …
User Fee Programs, Erika Lietzan
User Fee Programs, Erika Lietzan
Faculty Publications
A user fee is a fee assessed by the government when it provides a good or service to a private party. Classic examples include the fee to enter Yellowstone National Park and payment to the U.S. Postal Service for a first-class postage stamp. In these transactions, the government provides a specific benefit to an identifiable recipient, who pays the fee. Although the federal government has assessed user fees since this country's founding, broad authorizing legislation in the middle of the 20th century made it possible for agencies to craft user fee programs on their own initiative. Interest in relying on …
Universal Design For Learning (Udl)- Strategies For Engaging Rural Youth Co-Researchers With Informal Stem Learning, Amanda Bastoni, Jayson Seaman, Andrew D. Coppens, Cindy Hartman, Kate Moscouver, Courtnie Lachaine
Universal Design For Learning (Udl)- Strategies For Engaging Rural Youth Co-Researchers With Informal Stem Learning, Amanda Bastoni, Jayson Seaman, Andrew D. Coppens, Cindy Hartman, Kate Moscouver, Courtnie Lachaine
Faculty Publications
This article describes methods and findings from a study focused on youth living in rural communities in northern New Hampshire who struggle with accessing STEM learning opportunities for reasons including economic underinvestment and geographical isolation. These challenges also negatively impact researchers hoping to learn how rural youth benefit from informal STEM learning experiences, which contribute to low-project participation and retention rates. As in other amenity-rich rural areas, the communities in this study are promoting outdoor recreation as a vehicle for economic development. We wanted to understand if outdoor recreation activities tied to economic growth initiatives — activities which youth have …
Soil Incubation Methods Lead To Large Differences In Inferred Methane Production Temperature Sensitivity, Zhen Li, Robert F. Grant, Kuang-Yu Chang, Suzanne B. Hodgkins, Jinyun Tang, Alexandra Cory, Zelalem A. Mekonnen, Scott R. Saleska, Eoin L. Brodie, Ruth K. Varner, Virginia I. Rich, Rachel M. Wilson, Jeff P. Chanton, Patrick Crill, William J. Riley
Soil Incubation Methods Lead To Large Differences In Inferred Methane Production Temperature Sensitivity, Zhen Li, Robert F. Grant, Kuang-Yu Chang, Suzanne B. Hodgkins, Jinyun Tang, Alexandra Cory, Zelalem A. Mekonnen, Scott R. Saleska, Eoin L. Brodie, Ruth K. Varner, Virginia I. Rich, Rachel M. Wilson, Jeff P. Chanton, Patrick Crill, William J. Riley
Faculty Publications
Quantifying the temperature sensitivity of methane (CH4) production is crucial for predicting how wetland ecosystems will respond to climate warming. Typically, the temperature sensitivity (often quantified as a Q10 value) is derived from laboratory incubation studies and then used in biogeochemical models. However, studies report wide variation in incubation-inferred Q10 values, with a large portion of this variation remaining unexplained. Here we applied observations in a thawing permafrost peatland (Stordalen Mire) and a well-tested process-rich model (ecosys) to interpret incubation observations and investigate controls on inferred CH4 production temperature sensitivity. We developed a field-storage-incubation modeling approach to mimic the full …
Reliable Identification Of Binary Supermassive Black Holes From Rubin Observatory Time-Domain Monitoring, Megan C. Davis, Kaylee E. Grace, Jonathan R. Trump, Jessie C. Runnoe, Amelia Henkel, Laura Blecha, W N. Brandt, J Andrew Casey-Clyde, Maria Charisi, Caitlin A. Witt
Reliable Identification Of Binary Supermassive Black Holes From Rubin Observatory Time-Domain Monitoring, Megan C. Davis, Kaylee E. Grace, Jonathan R. Trump, Jessie C. Runnoe, Amelia Henkel, Laura Blecha, W N. Brandt, J Andrew Casey-Clyde, Maria Charisi, Caitlin A. Witt
Faculty Publications
Periodic signatures in time-domain observations of quasars have been used to search for binary supermassive black holes (SMBHs). These searches, across existing time-domain surveys, have produced several hundred candidates. The general stochastic variability of quasars, however, can masquerade as a false-positive periodic signal, especially when monitoring cadence and duration are limited. In this work, we predict the detectability of binary SMBHs in the upcoming Rubin Observatory Legacy Survey of Space and Time (LSST). We apply computationally inexpensive sinusoidal curve fits to millions of simulated LSST Deep Drilling Field light curves of both single, isolated quasars and binary quasars. The period …
Soil Incubation Methods Lead To Large Differences In Inferred Methane Production Temperature Sensitivity, Zhen Li, Robert F. Grant, Kuang-Yu Chang, Suzanne B. Hodgkins, Jinyun Tang, Alexandra Cory, Zelalem A. Mekonnen, Scott R. Saleska, Eoin L. Brodie, Ruth K. Varner, Virginia I. Rich, Rachel M. Wilson, Jeff P. Chanton, Patrick Crill, William J. Riley
Soil Incubation Methods Lead To Large Differences In Inferred Methane Production Temperature Sensitivity, Zhen Li, Robert F. Grant, Kuang-Yu Chang, Suzanne B. Hodgkins, Jinyun Tang, Alexandra Cory, Zelalem A. Mekonnen, Scott R. Saleska, Eoin L. Brodie, Ruth K. Varner, Virginia I. Rich, Rachel M. Wilson, Jeff P. Chanton, Patrick Crill, William J. Riley
Faculty Publications
Quantifying the temperature sensitivity of methane (CH4) production is crucial for predicting how wetland ecosystems will respond to climate warming. Typically, the temperature sensitivity (often quantified as a Q10 value) is derived from laboratory incubation studies and then used in biogeochemical models. However, studies report wide variation in incubation-inferred Q10 values, with a large portion of this variation remaining unexplained. Here we applied observations in a thawing permafrost peatland (Stordalen Mire) and a well-tested process-rich model (ecosys) to interpret incubation observations and investigate controls on inferred CH4 production temperature sensitivity. We developed a field-storage-incubation modeling approach to mimic the full …
Insecticide Susceptibilities And Enzyme Activities Of Four Stink Bug Populations In Mississippi, Usa, Yuzhe Du, Shane Scheibener, Yu Cheng Zhu, K. Clint Allen, Gadi V.P. Reddy
Insecticide Susceptibilities And Enzyme Activities Of Four Stink Bug Populations In Mississippi, Usa, Yuzhe Du, Shane Scheibener, Yu Cheng Zhu, K. Clint Allen, Gadi V.P. Reddy
Faculty Publications
In Mississippi, the Pentatomidae complex infesting soybean is primarily composed of Euschistus servus, Nezara viridula, Chinavia hilaris, and Piezodorus guildinii. This study employed spray bioassays to evaluate the susceptibilities of these stink bugs to seven commonly used formulated insecticides: oxamyl, acephate, bifenthrin, λ-cyhalothrin, imidacloprid, thiamethoxam, and sulfoxaflor. Stinks bugs were collected from soybeans in Leland, MS, USA during 2022 and 2023, as well as from wild host plants in Clarksdale, MS. There was no significant difference in the susceptibility of C. hilaris to seven insecticides between two years, whereas P. guildinii showed slightly increased susceptibility to neonicotinoids in 2023. Among …
Field Evaluation Of Experimental Maize Hybrids For Resistance To The Fall Armyworm (Lepidoptera: Noctuidae) In A Warm Temperate Climate, Xinzhi Ni, Alisa Huffaker, Eric A. Schmelz, Wenwei Xu, W. Paul Williams, Baozhu Guo, Xianchun Li, Fangneng Huang
Field Evaluation Of Experimental Maize Hybrids For Resistance To The Fall Armyworm (Lepidoptera: Noctuidae) In A Warm Temperate Climate, Xinzhi Ni, Alisa Huffaker, Eric A. Schmelz, Wenwei Xu, W. Paul Williams, Baozhu Guo, Xianchun Li, Fangneng Huang
Faculty Publications
The polyphagous fall armyworm (FAW), Spodoptera frugiperda, has become an invasive pest worldwide in recent years. To develop maize germplasm with multiple pest resistance and understand genetic inheritance, 12 experimental hybrids (six pairs of reciprocal crosses) with diverse genetic backgrounds and four commercial checks were examined for FAW resistance in 2013 and 2014. The experiment utilized a randomized complete block design with four replications as the block factor. FAW injury on maize plants was assessed at 7 and 14 d after the artificial infestation at the V6 stage, and predatory arthropod taxa and abundance on maize seedlings were recorded 7 …
Callous–Unemotional Traits And Emotion Perception Accuracy And Bias In Youths, Enrica Ciucci, Andrea Baroncelli, Carolina Facci, Stefania Righi, Paul J. Frick
Callous–Unemotional Traits And Emotion Perception Accuracy And Bias In Youths, Enrica Ciucci, Andrea Baroncelli, Carolina Facci, Stefania Righi, Paul J. Frick
Faculty Publications
This study investigated the associations among conduct problems, callous–unemotional (CU) traits, and indices of emotion recognition accuracy and emotion recognition bias obtained from human faces. Impairments in emotion recognition were considered within broader, impaired emotional and social functioning. The sample consisted of 293 middle-school students (51.19% girls; M age = 12.97 years, SD = 0.88 years). In general, CU traits were associated with less accuracy in recognizing emotions, especially fearful and angry faces, and such deficits in emotional recognition were not associated with conduct problems independent of CU traits. These results support the importance of studying potential deficits in the …
Preferential Hydrologic States And Tipping Characteristics Of Global Surface Soil Moisture, Vinit Sehgal, Binayak P. Mohanty
Preferential Hydrologic States And Tipping Characteristics Of Global Surface Soil Moisture, Vinit Sehgal, Binayak P. Mohanty
Faculty Publications
A dynamic transition in soil hydrologic states through meteorological variability and terrestrial feedback governs soil-vegetation-climate (SVC) interactions, constrained by critical soil moisture (SM) thresholds. However, observational and scaling constraints limit critical SM threshold estimation at the remote-sensing (RS) footprint scale. Using global surface SM (θRS) from NASA’s Soil Moisture Active Passive (SMAP) satellite, we characterize the seasonal preferential hydrologic states of θRS and derive three tipping characteristics to estimate the intensity (Mean Tipping Depth, (Formula presented.)), frequency (Tipping Count, η), and duration (Mean Tipped Time, (Formula presented.)) of the excursion of θRS from wet- to dry-average conditions. The preferential state …
Embryonic Exposure To Benzotriazole Ultraviolet Stabilizer 327 Alters Behavior Of Rainbow Trout Alevin, Andreas N.M. Eriksson, Justin Dubiel, Lauren Zink, Zhe Lu, Jon A. Doering, Steve Wiseman
Embryonic Exposure To Benzotriazole Ultraviolet Stabilizer 327 Alters Behavior Of Rainbow Trout Alevin, Andreas N.M. Eriksson, Justin Dubiel, Lauren Zink, Zhe Lu, Jon A. Doering, Steve Wiseman
Faculty Publications
Benzotriazole ultraviolet (UV) stabilizers (BUVSs) are used in great quantities during industrial production of a variety of consumer and industrial goods. As a result of leaching and spill, BUVSs are detectable ubiquitously in the environment. As of May 2023, citing concerns related to bioaccumulation, biomagnification, and environmental persistence, (B)UV(S)-328 was recommended to be listed under Annex A of the Stockholm Convention on Persistent Organic Pollutants. However, a phaseout of UV-328 could result in a regrettable substitution because the replacement chemical(s) could cause similar or unpredicted toxicity in vivo, relative to UV-328. Therefore, the influence of UV-327, a potential replacement of …
Evaluation Of Organic And Synthetic Herbicide Applications On Weed Suppression In A Conventional Cropping System In Louisiana, Caitlin Denux, Aixin Hou, Lisa Fultz
Evaluation Of Organic And Synthetic Herbicide Applications On Weed Suppression In A Conventional Cropping System In Louisiana, Caitlin Denux, Aixin Hou, Lisa Fultz
Faculty Publications
Synthetic herbicides, with their varying modes of action, are well known for their efficiency in the suppression and control of weed species in U.S. agriculture. However, the consequences of using synthetic herbicides without attention to the surrounding environment produce chemical run-off, changes in soil health and soil health conditions, and create herbicide-resistant weeds. These outcomes have encouraged growers to seek alternative methods for their weed management programs or farming operations. Organic production systems and organic pesticides have helped address these challenges related to sustainability and environmental health. However, the use of organic herbicides in a conventional cropping system is not …
Stimulation Of Small Phytoplankton Drives Enhanced Sinking Particle Formation In A Subtropical Ocean Eddy, Haoran Liu, Thomas J. Browning, Edward A. Laws, Yibin Huang, Lei Wang, Yiwei Shang, Xiaogang Xing, Kuanbo Zhou, Zong Pei Jiang, Xin Liu, Bangqin Huang, Minhan Dai
Stimulation Of Small Phytoplankton Drives Enhanced Sinking Particle Formation In A Subtropical Ocean Eddy, Haoran Liu, Thomas J. Browning, Edward A. Laws, Yibin Huang, Lei Wang, Yiwei Shang, Xiaogang Xing, Kuanbo Zhou, Zong Pei Jiang, Xin Liu, Bangqin Huang, Minhan Dai
Faculty Publications
Nutrient transfer into the sunlit surface ocean by cyclonic eddies is potentially crucial for sustaining primary productivity in the stratified subtropical gyres. However, the nature of productivity enhancements, including the flow of matter to higher trophic levels and its impact on carbon fluxes, remain poorly resolved. Here, we report a detailed assessment of the biogeochemical response to a cyclonic eddy in the subtropical Northwest Pacific via a combination of ship-based and autonomous platforms. Primary production was enhanced twofold within the eddy core relative to reference sites outside, whereas phytoplankton biomass even decreased. Pico-phytoplankton (< 2 μm) dominated (> 80%) both phytoplankton biomass and primary …
Biochar-Based Materials As Remediation Strategy In Petroleum Hydrocarbon-Contaminated Soil And Water: Performances, Mechanisms, And Environmental Impact, Zhuo Wei, Yi Wei, Yang Liu, Shuai Niu, Yaxi Xu, Jong Hwan Park, Jim J. Wang
Biochar-Based Materials As Remediation Strategy In Petroleum Hydrocarbon-Contaminated Soil And Water: Performances, Mechanisms, And Environmental Impact, Zhuo Wei, Yi Wei, Yang Liu, Shuai Niu, Yaxi Xu, Jong Hwan Park, Jim J. Wang
Faculty Publications
Petroleum contamination is considered as a major risk to the health of humans and environment. Biochars as low-cost and eco-friendly carbon materials, have been widely used for the removal of petroleum hydrocarbon in the environment. The purpose of this paper is to review the performance, mechanisms, and potential environmental toxicity of biochar, modified biochar and its integration use with other materials in petroleum contaminated soil and water. Specifically, the use of biochar in oil-contaminated water and soil as well as the factors that could influence the removal ability of biochar were systematically evaluated. In addition, the modification and integrated use …
New Genera And Species Of Caulobacter And Brevundimonas Bacteriophages Provide Insights Into Phage Genome Evolution, Bert Ely, Michael Hils, Aaron Clarke, Maegan Albert, Nadia Holness, Jacob Lenski, Tannaz Mohammadi
New Genera And Species Of Caulobacter And Brevundimonas Bacteriophages Provide Insights Into Phage Genome Evolution, Bert Ely, Michael Hils, Aaron Clarke, Maegan Albert, Nadia Holness, Jacob Lenski, Tannaz Mohammadi
Faculty Publications
Previous studies have identified diverse bacteriophages that infect Caulobacter vibrioides strain CB15 ranging from small RNA phages to four genera of jumbo phages. In this study, we focus on 20 bacteriophages whose genomes range from 40 to 60 kb in length. Genome comparisons indicated that these diverse phages represent six Caulobacter phage genera and one additional genus that includes both Caulobacter and Brevundimonas phages. Within species, comparisons revealed that both single base changes and inserted or deleted genetic material cause the genomes of closely related phages to diverge. Among genera, the basic gene order and the orientation of key genes …
Teenage Blues: Predictors Of Depression Among Adolescents In Nigeria, Adefunke Dadematthews, Chukwuemeka Nzeakah, Lucky Onofa, Oluwagbemiga Dadematthews, Temitope Ogundare
Teenage Blues: Predictors Of Depression Among Adolescents In Nigeria, Adefunke Dadematthews, Chukwuemeka Nzeakah, Lucky Onofa, Oluwagbemiga Dadematthews, Temitope Ogundare
Faculty Publications
Background Depressive disorders, with a prevalence of 15-21%, are among the most common disorders in children and adolescents, and increases the risk of suicide, the second leading cause of death in children aged 10 to 19. Aim To determine the prevalence and correlates of depressive disorders among senior students attending secondary schools in Abeokuta. Method The study was conducted in five schools randomly selected from a representative sample and was carried out in 2 phases. In the first phase, students were selected via systematic random sampling and given consent forms and GHQ-12 to administer to the parents. In the second …
Did God Create Viruses?, James Hayward
The Real Wrongs Of Icwa, James G. Dwyer
The Real Wrongs Of Icwa, James G. Dwyer
Faculty Publications
Haaland v. Brackeen rejected federalism-based challenges to the Indian Child Welfare Act (ICWA) but signaled receptivity to future challenges based on individual rights. The adult-focused rights claims presented in Haaland, however, miss the mark of what is truly problematic about ICWA. This Article presents an in-depth, children’s-rights based critique of the Act, explaining how it violates a fundamental right against state exertion of power over central aspects of persons’ private lives to their detriment for illicit purposes. In fact, the Act’s defenders are complicit in the same sort of government violence that motivated ICWA’s enactment—erasing aspects of children’s heritage …
Factors Affecting Iodine Content Of Cow Milk-A Review, Mmh Khandakar, Ma Islam
Factors Affecting Iodine Content Of Cow Milk-A Review, Mmh Khandakar, Ma Islam
Faculty Publications
This review discusses the importance of iodine as an essential nutrient for human health and the factors that can influence the concentration of iodine in cow milk. For an adult, the daily recommended requirement of iodine is 150 µg/day and the maximum tolerable limit ranges from 600 to 1100 µg/day. Cow milk is a significant source of iodine in many countries, particularly in areas where iodine-rich foods are not readily available. Therefore, evaluating the variables that affect the iodine content of cow milk is important. The iodine concentration of cow milk can vary depending on several factors such as genetics, …