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Research Guides

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FAQ

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Where can I find information about patents and trademarks?
The U.S. Patent and Trademark Office (USPTO) (https://www.uspto.gov/) provides information, publications, forms, guides, and services on searching and registering for patents and trademarks. In addition, LSU Libraries has a Patent and Trademark Resource Center (PTRC), representative who can answer general questions about the patent and trademark process. You can schedule a one-on-one consultation with them by appointment (https://lsu.libcal.com/appointments/caple) . You can also explore the librarys Patent and Trademark Resource Center Research Guide (https://guides.lib.lsu.edu/ptrc) . Answered by: Kendall Caple
Are there any graduate assistantships available?
Most assistantships would be found on the LSU Handshake website (https://www.lsu.edu/careercenter/students/handshake.php) , though some opportunities are handled directly through the hiring department. It wouldn't hurt to check with a staff member in your graduate program to see if they are aware of assistantships not listed on Handshake. ________________________________________________________________________ More information on Handshake.... How to Access Handshake Admitted Students Undergraduate and Graduate students receive access to Handshake on June 15. At that time, you can log in to Handshake using your myLSU email and password at lsu.joinhandshake.com (https://lsu.joinhandshake.com/) or download the Handshake Jobs & Careers App (download in the Apple App Store (https://apps.apple.com/app/apple-store/id1220620171) or download through Google Play (https://play.google.com/store/apps/details?id=com.joinhandshake.student…) ). If a user experiences a barrier in access to Handshake or content within due to a disability, please contact the LSU Olinde Career Center at career@lsu.edu (mailto:career@lsu.edu) . For information on how to apply to on-campus and off-campus jobs, visit the Student Employment webpage (https://www.lsu.edu/careercenter/studentemployment/students.php) . If you would like to schedule a meeting with our team, or access other career center resources prior to receiving Handshake access, please contact us at career@lsu.edu (mailto:career@lsu.edu) and we are happy to assist you. Graduate Students: Please note, while some graduate assistantships may be posted in Handshake, most opportunities are managed directly through the hiring department. Please contact your graduate program and campus contacts directly to inquire about available assistantships. Alumni Alumni retain free access to Handshake and to most other career center resources, including appointments with the career center team. View the Alumni Resources page to request Handshake access (https://www.lsu.edu/careercenter/students/alumni.php) . Rsum Uploads Please make note that all rsums must be approved by the LSU Olinde Career Center before becoming active in Handshake for applying for jobs or participating in on-campus interviews. Please be prompt in submitting a rsum for activation in Handshake. The career center makes every effort to be timely in the document approval process, but cannot guarantee a turnaround of less than two (2) business days. Fraudulent and Scam Job Postings We work hard to keep fraudulent postings out of Handshake (https://www.lsu.edu/careercenter/students/handshake.php) by using some common red flags typically considered suspicious. While red flags dont automatically remove a job posting, we research the company and posting if suspicion arises before making a decision. You should research suspicious companies or postings, too (or dont apply). The Fraudulent and Scam Job Postings (https://www.lsu.edu/careercenter/about/FraudulentandScamJobPostingsbook…) guide outlines red flags so you, too, can attempt to identify such scam or fraudulent postings. Our position: Never apply for a suspicious job. Questions? Contact career@lsu.edu (mailto:career@lsu.edu) . Answered by: Gabriella Lindsay
What sort of study spaces are available in the library?
The majority of the tables and desks throughout LSU Library are treated as open seating for anyone to use. These spaces are available on all floors of the library. Certain areas are designated for quiet study; these include sections of the second and third floors and the entirety of the fourth. Regardless of where you are, please be respectful of other patrons studying nearby. There are several bookable group study rooms and individual study booths located on the third and fourth floors. Walk-up use of these spaces is encouraged, but reservations always take priority. Faculty and graduate students may also request a key for their own private study carrel at the checkout desk in room 241. Nearly all study booths on the second floor are currently open for anyone to use. LSU Libraries | Bookable Spaces
LSU Libraries | Graduate Study Booths
LSU Libraries | Faculty Carrels
Related: How do I reserve a study room?
Related: How can I use the display screen in my study room?
Related: Are there computers I can use in the library? Answered by: Access Services Staff
Does the library accept book donations?
LSU Library sometimes accepts book donations. To donate scholarly books, please contact your subject specialist. For non-scholarly books, the LSU Library has a free book exchange in room 241. To donate to the book exchange, please contact Mitch Fontenot at mfonten@lsu.edu. (mailto:mfonten@lsu.edu) The Friends of the LSU Libraries accept donations for their annual book bazaar and the book barn. Proceeds from the bazaar help fund special purchases for the libraries collections. Please contact the Friends at 225-578-5925. Thanks for considering donating to us! LSU Libraries | Subject Specialists
Friends of the LSU Libraries Answered by: Access Services Staff
Can patrons not affiliated with LSU access the campus Wi-Fi network?
Unfortunately, the library cannot give out guest passes to LSU Wi-Fi. Access to any LSU Wi-Fi network, including LSU Guest, can only be granted by LSU ITS. ITS requires a faculty or staff member to request "sponsored" access in advance. This means that visiting scholars, etc. can work with LSU faculty or staff to become a "sponsored guest," but walk-in visitors to LSU Library will usually not be able to gain Wi-Fi access. Guest Accounts: LSU Overview
Service Desk | LSU Information Technology Services Answered by: Access Services Staff
Where do you keep back issues of The Reveille?
Print copies of The Reveille are kept in Hill Memorial Library as part of the University Archives. Issues from 18971913 and 19591975 are available online to everyone through the Louisiana Digital Library. Issues from 2009 forward are available online through the publisher. LSU Library Catalog: The Reveille
Louisiana Digital Library | The Daily Reveille (1897–1913 and 1959–1975)
issuu | The Daily Reveille (2009–present) Answered by: Access Services Staff
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Database Listing

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Communication Source
Communication Source is the most comprehensive resource on the market for communication research. Communication Source was developed from a merger of high-quality EBSCO databases, Communication and Mass Media Complete and Communication Abstracts (formerly published by Sage), and includes many unique sources not previously available in other databases. Communication Source offers abstracts and indexing as well as full-text content from publications worldwide pertaining to Communication, Linguistics, Rhetoric and Discourse, Speech-Language Pathology, Media Studies and other fields relevant to the discipline.
Film and Television Literature Index
Film & Television Literature Index™ with Full Text is the definitive online tool for film and television research. Subject coverage includes film & television theory, preservation & restoration, screenwriting, production, cinematography, technical aspects, and reviews. The database provides cover-to-cover indexing and abstracts for more than 380 publications (and selected coverage of 300), as well as full text for more than 120 journals, and 100 books. In addition, Film & Television Literature Index with Full Text includes Variety movie reviews from 1914 to the present and over 36,300 images from the MPTV Image Archive.
Women’s Wear Daily Archive
An archive of Women's Wear Daily, from its launch in 1910 to recent issues,* reproduced in high-resolution images. Pages, articles, advertisements, and covers have been included, with searchable text and indexing. The Women's Wear Daily Archive preserves one of the fashion industry's most influential reads. Key moments in the history of the industry, as well as major designers, brands, retailers and advertisers are all covered in this publication of record.
**Six-month embargo on new issues.**
The Listener Historical Archive 1929-1991
The Listener was a weekly magazine established by the British Broadcasting Corporation (BBC) in 1929 under its director-general, Lord Reith. It was developed as the medium for reproducing broadcast talks, initially on radio, but in later years television as well, and was the intellectual counterpart to the BBC listings magazine Radio Times. The Listener is one of the few means of accessing the content of many early broadcasts. In addition to commenting on the intellectual broadcasts of the week, The Listener also previewed major literary and musical shows and regularly reviewed new books.
Recent Researches in Music Online (2018 - present)
A-R Editions has published Recent Researches in Music—critical performing editions of music in seven series—since its inception in 1962. The series fall into two basic categories: editions that span the history of Western music, and editions with ties to specific cultural milieus. Most editions in Recent Researches in Music are devoted to works by a single composer or in a single genre. This resource includes complete content of scores and partbooks, users can read online, print, or save and fully searchable text content, and multiuser access.
Artstor
*Artstor is now available in its new home on JSTOR! When you search JSTOR, you will find Artstor’s 2+ million licensed images and more than 1,700 additional primary source collections alongside JSTOR’s collections.*

Artstor collections feature an unparalleled range of images from some of the world's leading museums, photo archives, scholars, and artists in one easily-navigated repository. Artstor facilitates research and education in numerous disciplines, including art and visual studies, architecture, religion, anthropology and archaeology, global studies, fashion and costume, classics, world history, and more.
Dictionary of Literary Biography
The award-winning Dictionary of Literary Biography Complete Online provides comprehensive access to the series dedicated to making literature and its creators better understood and more accessible to students and interested readers while simultaneously satisfying the standards of librarians, teachers, and scholars. The series provides reliable information on authors and their works in an easy to understand, engaging format, while placing writers in the larger perspective of literary history
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Staff

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Discovery

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Impact of climate change on global catches of marine fisheries from 1971 to 2020
Marine fisheries catches have significant economic, social, and cultural importance for coastal communities and nations worldwide. In addition to overfishing and predation, oceanic conditions linked to climate variability profoundly affect catches of oceanic fish species. Based on the fishery data from the Food and Agriculture Organization (FAO) of the United Nations and multiple physical and biogeochemical datasets, we examined the correlation between major modes of climate variability at high and low frequency and multiple key fish species in five major fishing grounds worldwide. The results reveal that over 80% of selected key fish species have declined over the past five decades, with more than 50% transitioning from an increasing to a decreasing trend in the 1990s. Additionally, over 80% of fish species directly correlate with low-frequency climate indices, including Pacific Decadal Oscillation (PDO), Atlantic Multi-decadal Oscillation (AMO) and tropical southern Atlantic (TSA). However, less than 40% of fish species exhibit a direct association with high-frequency climate indices of El Niño Southern Oscillation (ENSO), North Atlantic Ocean (NAO), and Atlantic Niño (ATL3). Synthetic analysis on the Sea Surface Temperature (SST), Mixed Layer Depth (MLD) and chlorophyll a revealed that shifts in the low-frequency climate can directly affect the habitats of numerous fish species, and subsequently influence their fishing yields. Specially, negative SST anomalies and positive chlorophyll-a anomalies were observed during a positive phase of PDO in the central and western Pacific regions, resulting in an increased catch values of Alaska pollock, Pacific sardine, and Chilean jack mackerel. Similar changes occur in positive and negative phases of other low frequency indices. Our research offered a comprehensive perspective on oceanic fish catch responses to climate change, serving as a guide for formulating effective management strategies for marine fish resources.
Ecological and Anthropogenic Drivers of Hairtail Catch Distribution: A Spatial Analysis of the Southern Coastal Waters of South Korea.
Simple Summary: Hairtail (Trichiurus lepturus) is a commercially important fish species in South Korea, serving as both a vital food source and a major contributor to the local fishing industry. However, catch rates vary spatially and temporally in response to oceanographic conditions, including water temperature, dissolved oxygen levels, salinity, and food availability. In this study, we investigated the spatial and seasonal distribution of hairtail catches across the southern coastal waters of South Korea. We applied a spatial analytical approach that accounts for both site-specific conditions and the interactions among neighboring areas. Our results indicated that hairtail abundance was positively associated with areas of higher salinity and lower oxygen concentrations. Furthermore, regions with elevated phytoplankton biomass, an essential food source for smaller marine organisms, were found to enhance hairtail presence in adjacent waters. These findings advance our understanding of the species' habitat preferences and environmental responses, providing insights that can inform more effective and sustainable fisheries management strategies. By integrating spatial mapping and environmental data, this research offers critical information for shaping future fishing policies and conserving key fishery resources such as hairtail. This study examined the spatial distribution and environmental determinants of hairtail (Trichiurus lepturus) catch volumes in the southern coastal waters of South Korea, employing a Spatial Durbin Model (SDM) based on grid-level data collected from 2020 to 2022. Key explanatory variables included chlorophyll-a concentration, dissolved oxygen, salinity, sea surface temperature, and fishing effort. Spatial autocorrelation was confirmed through Moran's I test, justifying the application of a spatial econometric framework. Among the environmental factors, salinity exhibited the strongest positive direct effect on catch volumes, whereas dissolved oxygen consistently showed a negative effect. Chlorophyll-a concentration exhibited significant positive effects both within local grids and in neighboring areas. Sea surface temperature also had a modest but significant direct effect on catch volumes. Additionally, higher fishing effort was associated with increased catch volumes, emphasizing the spatial impact of human activities on fishery resources. These findings reveal that hairtail tend to aggregate in high-salinity, low-oxygen environments and respond to seasonal oceanographic variations. Overall, the results highlight the value of spatial econometric models in fisheries research by revealing how environmental and anthropogenic factors influence fish catch through both direct and indirect effects. The spatial framework offers deeper insight into the mechanisms driving hairtail distribution, particularly in ecologically complex regions like the Jeju Strait. [ABSTRACT FROM AUTHOR]
Cord Blood Exosomal miRNAs from Small-for-Gestational-Age Newborns: Association with Measures of Postnatal Catch-Up Growth and Insulin Resistance.
Small-for-gestational-age (SGA) infants who experience a marked postnatal catch-up, mainly in weight, are at risk for developing metabolic disorders; however, the underlying mechanisms are imprecise. Exosomes and their cargo (including miRNAs) mediate intercellular communication and may contribute to altered crosstalk among tissues. We assessed the miRNA profile in cord blood-derived exosomes from 10 appropriate-for-gestational-age (AGA) and 10 SGA infants by small RNA sequencing; differentially expressed miRNAs with a fold change ≥2.4 were validated by RT-qPCR in 40 AGA and 35 SGA infants and correlated with anthropometric, body composition (DXA) and endocrine–metabolic parameters at 4 and 12 mo. miR-1-3p, miR-133a-3p and miR-206 were down-regulated, whereas miR-372-3p, miR-519d-3p and miR-1299 were up-regulated in SGA infants. The target genes of these miRNAs related to insulin, RAP1, TGF beta and neurotrophin signaling. Receiver operating characteristic analysis disclosed that these miRNAs predicted with accuracy the 0–12 mo changes in body mass index and in total and abdominal fat and lean mass. In conclusion, the exosomal miRNA profile at birth differs between AGA and SGA infants and associates with measures of catch-up growth, insulin resistance and body composition through late infancy. Further follow-up of this population will disclose whether these associations persist into childhood, puberty and adolescence. [ABSTRACT FROM AUTHOR]
Association of weekend catch-up sleep ratio with depressive risk: insights from NHANES 2021–2023.
Background: Depression is a common global mental health issue, affecting around 3.8% of the population. It significantly impacts quality of life and social functioning, posing a major public health challenge. Sleep is a key factor influencing depression, with both sleep quality and quantity linked to mental health. However, sleep deprivation is widespread, and many people compensate by "weekend sleep recovery." The effects of sleep deprivation and weekend recovery on depression risk are unclear, as irregular sleep patterns may worsen depressive symptoms. This study introduces the "Weekend Catch-up Sleep Ratio" (CUS ratio) to better understand the relationship between sleep patterns and depression. Methods: Cross-sectional data were obtained from individuals who participated in the 2021–2023 National Health and Nutrition Examination Survey (NHANES) and had complete data on CUS and the Patient Health Questionnaire (PHQ-9). Multivariable logistic regression was performed to assess the potential independent association between depression and the CUS ratio. Additionally, smoothing curve fitting, threshold effect analysis, subgroup analysis, and interaction tests were conducted. Results: A total of 4,656 individuals were analyzed, categorized by depression symptoms (PHQ-9 score of 10 or higher), with an overall depression risk of 12.4%. In the adjusted model, the CUS ratio was significantly positively associated with depression risk (AOR = 1.75, 95% CI: 1.25–2.45), exhibiting a nonlinear threshold effect (inflection point at 1.11). When the CUS ratio ≤ 1.11, an increase in the ratio was associated with a reduced depression risk (AOR = 0.34, 95% CI: 0.13–0.89), whereas when the CUS ratio > 1.11, each unit increase in the ratio significantly increased depression risk by 187% (AOR = 2.87, 95% CI: 1.84–4.50). Individuals with education levels of less than 9th grade, some college or an Associate of Arts (AA) degree, those who are overweight (25 ≤ BMI < 30), and those without diabetes appeared more sensitive to fluctuations in sleep patterns. In the adjusted model for the severity of depressive symptoms, the CUS ratio was significantly positively associated with depression severity (Aβ = 0.19, 95% CI: 0.09–0.28), also exhibiting a nonlinear threshold effect (inflection point at 1.11). When the CUS ratio ≤ 1.11, an increase in the ratio was associated with a reduction in depression severity (Aβ = -0.35, 95% CI: -0.62 to -0.09), whereas when the CUS ratio > 1.11, each unit increase in the ratio significantly increased depression severity (Aβ = 0.36, 95% CI: 0.24–0.49). In particular, individuals without diabetes appeared more sensitive to fluctuations in sleep patterns. Conclusions: This study suggests that maintaining a balanced sleep pattern, with a CUS ratio between 1 and 1.11, may help reduce depression risk and promote better mental health. [ABSTRACT FROM AUTHOR]
Improving Survey Methods for the Spotted Lanternfly (Hemiptera: Fulgoridae): Influence of Collection Device, Tree Host, and Lure on Trap Catch and Detection.
Since its introduction into the USA, the spotted lanternfly (SLF), Lycorma delicatula, (White) (Hemiptera: Fulgoridae) has spread across the landscape relatively unchecked. With a wide host range, it is considered a serious pest of native forest species, as well as agricultural crops. Circle traps placed on Ailanthus altissima (Miller) Swingle (Sapindales: Simaroubaceae) are passive traps collecting SLF as they walk up and down the tree trunk. These traps are successful at detecting new populations of SLF, but this can be challenging to implement at a large scale due to costs and host availability. To improve and facilitate SLF trapping practices, we investigated three key trapping components: improved collection containers, placement on alternative hosts, and lure (methyl salicylate) impact. In initial trials comparing collection jars to removable plastic bags, the adult SLF catch was four times higher using the bag design. In a multi-state survey at varying population densities, the bag traps were comparable to the jar traps but were significantly more effective than BugBarrier® tree bands, especially during the adult stage. Catch and detection in circle traps placed on alternative hosts, Acer spp. L. (Sapindales: Sapindalaceae) and Juglans nigra L. (Fagales: Juglandaceae), were comparable to those placed on the preferred host A. altissima, especially in the earlier life stages. Additionally, detection rates of methyl salicylate-baited traps on all three hosts were comparable to those on non-baited traps. These results suggest that circle traps fitted with bags provide higher trap catch and an improvement in sample quality. In addition, circle traps were equally effective when placed on maple and black walnut, while methyl salicylate lures do not enhance trap catch or detection. [ABSTRACT FROM AUTHOR]
Ground testing and calibration of focal plane detector flight model on board the first pathfinder of CATCH
CATCH-1, as the first satellite of Chasing All Transients Constellation Hunters (CATCH) space mission, was successfully launched into its expected orbit on June 22, 2024. The flight model underwent environmental tests before launch, including thermal cycling, thermal vacuum, and mechanical evaluations. The CATCH-1 detector system is equipped with a 4-pixel Silicon Drift Detector (SDD) array. To ensure the reliability and redundancy of the CATCH-1 detector system, two sets of data acquisition systems were independently designed and calibrated. Our focus is on presenting the ground calibration results of CATCH-1, which demonstrate a strong linear correlation between energy and channel. The main data acquisition system achieves an energy resolution of ∼≤∼4μs≤10μs 120 eV@4 keV, while the backup data acquisition system has a slightly lower energy resolution of around 150 eV@4 keV, both meeting the design requirement of ∼≤∼4μs≤10μs 160 eV@4 keV. Additionally, the time resolution is ∼≤∼4μs≤10μs, complying with the design requirement of ∼≤∼4μs≤10μs. The calibration database now includes the ground calibration results of CATCH-1, establishing a dependable basis for future data analysis. The development experience, calibration, and test results of this detector system will also provide a solid foundation for subsequent tasks such as CATCH-2.
Guinean landing surveys of Bentfin devil rays add insight into threatened elasmobranch catch.
Populations of many elasmobranchs have decreased globally, with over a third of species threatened with an elevated risk of extinction, largely due to fishing pressure. In West Africa, a general lack of species-specific catch data limits the ability to implement effective management, despite significant elasmobranch catch. The aim of this study was to (1) assess landings of mobulid rays, along with other elasmobranch species, recorded opportunistically in fisheries from Guinean waters, (2) provide information on the value and trade of these species, and (3) discuss management implications. Elasmobranchs were photographed and identified during market surveys over a ten-month period in 2014 and 2015, at four local Guinean fish markets: Bonfi, Boulbinet, Kassa, and Kamsar. A total of 1954 specimens, comprising 17 different elasmobranch species, were recorded across all markets. Of these species, 94% are assessed as threatened (vulnerable, endangered, critically endangered) and 6% are assessed as Near Threatened on the IUCN's Red List of Threatened Species. The only mobulid species recorded was Mobula thurstoni, with significantly larger specimens recorded in Boulbinet, while in Bonfi fishing grounds overlapped with young-of-the-year specimens. When considering all elasmobranch landings, Bonfi and Boulbinet had similar species compositions, although when considering daily data, species composition tended to differ. Indicator Species Analysis indicated that Carcharhinus falciformis, Carcharhinus leucas, and Mustelus mustelus were top indicator species for Bonfi (with high specificity and fidelity), while Paragaleus pectoralis and Gymnura sereti were key indicator species for Boulbinet. Records of selling price at Bonfi were higher for various stingray species than larger shark species, suggesting meat as a primary driver of the fishery. This study adds insight into the species composition of elasmobranch catch in West Africa and highlights specific fishing sectors contributing to elasmobranch exploitation locally; information which is needed to understand the effects on regional stocks. [ABSTRACT FROM AUTHOR]
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