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Articles 105451 - 105480 of 1826846
Full-Text Articles in Entire DC Network
Unveiling Universal Mental Health Screening: School Psychologists’ Perspectives, Practices, And The Role Of Demographics, Gracie Taylor Hansen
Unveiling Universal Mental Health Screening: School Psychologists’ Perspectives, Practices, And The Role Of Demographics, Gracie Taylor Hansen
Dissertations and Theses
The critical need to address mental health problems among children, combined with the increasing emphasis on universal mental health screening in school settings, underscores the importance of understanding demographic influences on these measures. This study examined the impact of demographic variables, particularly race and ethnicity, on the use, reliability, and validity of universal mental health screening tools. The Behavior Assessment System for Children, Third Edition Behavioral and Emotional Screening System (BASC-3 BESS) was used to collect screening data. Utilizing a mixed-methods approach, the research comprised two components. First, a survey, developed by the researcher, was administered to school psychologists to …
Optimal Tissue Clearing Of Gastric Cancerous Organoids Imaged Via High Resolution Light Sheet Microscopy, Lauren D. Lieu
Optimal Tissue Clearing Of Gastric Cancerous Organoids Imaged Via High Resolution Light Sheet Microscopy, Lauren D. Lieu
2025 Fall Honors Capstones Projects - Archive
While the rate of surviving a myocardial infarction has increased in the past 60 years from 60% to 90%, the rate of Americans developing chronic heart disease such as heart failure, arrhythmias, and hypertensive heart disease has risen. This has led to the development of imaging technology such as Light Sheet Microscopy (LSM) and Light Field Microscopy (LFM) to study heart contractility and congenital heart disease via models such as cancerous organoids or Zebrafish. However, LSM and LFM results are highly dependent on the quality of the staining and cleared samples. This study looks to add to the growing field …
Rotary Operations Management & Automation Platform (Romap): Modernizing Attendance Tracking And Data Submission For Rotary Clubs, Zaineel Mithani
Rotary Operations Management & Automation Platform (Romap): Modernizing Attendance Tracking And Data Submission For Rotary Clubs, Zaineel Mithani
2025 Fall Honors Capstones Projects - Archive
As Technical Lead of the Rotary Operations Management & Automation Platform (ROMAP), my Honors contribution focused on developing a Bluetooth Low Energy proximity-based attendance system enabling automatic, hands-free member check-ins. I researched and selected beacon hardware, designed RSSI-based distance calculation algorithms, and implemented platform-specific background processing for iOS and Android, achieving 97% detection accuracy. Beyond this Honors component, I architected the complete backend infrastructure including a Node.js API with 20+ endpoints, PostgreSQL database with Prisma ORM, and JWT authentication. I also developed a novel GPT-4 Vision automation system that intelligently populates web forms through computer vision, achieving 95% success rate …
Identifying The Constituents Of Pyrolysis Oil Using Supercritical Fluid Chromatography- Fraction Collection (Sfc-Fc) And Gas Chromatography- Mass Spectrometry/Vacuum Ultraviolet Spectroscopy (Gc-Ms/Vuv), Sadid Morshed
2025 Fall Honors Capstones Projects - Archive
Plastic waste continues to accumulate as production increases and disposal methods remain insufficient. Even with recycling programs in place, much of the discarded plastic still ends up in landfills or waterways, eventually breaking down into harmful microplastics. One promising solution is the conversion of plastic waste into pyrolysis oil, which can also serve as an alternative feedstock for chemicals. Pyrolysis oil is produced by heating plastics to approximately 800 °C in the absence of oxygen, resulting in a complex mixture of hydrocarbons that includes paraffins, isoparaffins, olefins, naphthenes, and aromatics. Analyzing the amount of oxygen, nitrogen, and sulfur in these …
Promoting Physical Activity (Pa) Among Latinas In Fayette County, Ky, Vanessa Diaz Mph
Promoting Physical Activity (Pa) Among Latinas In Fayette County, Ky, Vanessa Diaz Mph
Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)
In the United States, the prevalence of overweight and obesity continues to rise at a disproportionate rate that is greatly affecting Latinas. This paper outlines the implementation of an adapted version of Fe en Acción, a faith-based evidence-based physical activity (PA) intervention that was initially implemented in San Diego, CA. The program targets Latinas in Fayette County, KY through culturally tailored, faith-based PA classes held at local Catholic churches. By using promotoras– health promoters– the program works to increase self-efficacy and social support while promoting sustainable behavior change. Key adaptations include a reduction in class frequency (four times a week), …
Pathways To Green River District Health Department, Gracelyn P. Bush
Pathways To Green River District Health Department, Gracelyn P. Bush
Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)
In an effort to decrease Neonatal Abstinence Syndrome (NAS) in the Green River District of Western Kentucky, this grant proposes the expansion of the evidence-based University of Kentucky PATHways program to the Green River District Health Department (GRDHD). To protect the health of both women and children, this program will specifically target pregnant women with substance use disorder (SUD). This program will deliver a group-based prenatal and postpartum curriculum with the integration of Peer Recovery Support Specialists, specifically modeled on Social Cognitive Theory and the adoption of whole-person care. The proposed program spans a three-year time frame, beginning with program …
A Case Study In Program Evaluation: Evaluation Of A Community Program To Increase Rates Of Physical Activity, Emma Hughes
A Case Study In Program Evaluation: Evaluation Of A Community Program To Increase Rates Of Physical Activity, Emma Hughes
Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)
Bourbon County faces rates of obesity and levels of physical inactivity that are at, or worse, than the Kentucky state average. The Bourbon County Health Department (BCHD) has prioritized addressing these issues and received funding from a private foundation to do so. Collaboration with the University of Kentucky and additional funding from UK Healthcare (UKHC) will support these efforts to improve the rates of regular physical activity, raise awareness of the negative health impacts of inactivity, and increase access to safe places to exercise. The BCHD developed a 6-month program that involves several interventions aimed at increasing the percent of …
Crippled By War: Arguing Russia’S Actions In Ukraine Constitute Disability Persecution Under Article 7(1)(H) Of The Rome Statute, Davis Hayman
American University International Law Review
During the ongoing conflict between Russia and Ukraine, Russia implemented a “humanitarian aid” program which moved Ukrainian people with disabilities to Russia or Russian-controlled areas. The Prosecutor for the International Criminal Court issued arrest warrants under the theory that this program constitutes war crimes.
This Comment argues this program further qualifies as the crime of persecution against Ukrainians with disabilities. This piece first analyzes the crime of persecution, its relationship with other crimes and how non-enumerated groups can receive its protection. Next, this piece analyzes international human rights developments related to people with disabilities to show they qualify for such …
The Effect Of Zebra Mussels On Minnesota Fish Communities, Benjamin D. Strei
The Effect Of Zebra Mussels On Minnesota Fish Communities, Benjamin D. Strei
Journal of Earth and Life Science
Zebra mussels Dreissena polymorpha are an aquatic invasive species that has been spreading quickly throughout Minnesota water bodies since 1989. Zebra mussels are known to change certain morphological conditions in lakes such as turbidity, phytoplankton abundance, and aquatic invertebrate populations. However, studies showing impacts of the infestation of zebra mussels on the health of a fish community have been hard to prove due to a lack of repeated surveys and a suite of other confounding variables such as natural and seasonal variability, plant community, and lake morphometry. Therefore, the objective of this study is to determine whether zebra mussels have …
Kenyon Alumni Magazine - Winter 2025
Kenyon Alumni Magazine - Winter 2025
Kenyon College Alumni Bulletin
No abstract provided.
The Development Of Sustainable Synthetic Fiber Reinforced Concrete Mix Design With Low Maintenance Cost, Kentesha L. High
The Development Of Sustainable Synthetic Fiber Reinforced Concrete Mix Design With Low Maintenance Cost, Kentesha L. High
Civil Engineering Dissertations - Archive
This dissertation presents the mix design of polypropylene SYN-FRC as an alternative to traditional concrete mixtures in construction roadways. The primary scope of work was to develop and implement a pavement system at The University of Texas at Arlington, specifically designed for the Dallas area, to minimize long-term maintenance. Additionally, the project aimed for expeditious construction to avoid traffic closure during new construction and maintenance. It also involved evaluating the pavement performance, providing the City of Dallas with specifications for the mix design of SYN-FRC. The sustainability of the synthetic fiber mix design for concrete roadways, compared to traditional concrete, …
Hybrid Agentic System For Schema-Aware Nl2sql Generation, David Omondi Onyango
Hybrid Agentic System For Schema-Aware Nl2sql Generation, David Omondi Onyango
All Graduate Theses, Dissertations, and Other Capstone Projects
The natural language to SQL (NL2SQL) task enables non-expert users to interact with relational databases via natural language interfaces. However, NL2SQL frameworks often rely on Large Language Models (LLMs), raising concerns about computational overhead, data privacy, and deployment in resource-limited environments. To address these issues, we propose a hybrid schema-aware agentic system using Small Language Models (SLMs) as primary agents, with a selective LLM fallback mechanism. The LLM activates only when errors are detected in SLM-generated queries, reducing inference costs. Experiments on the BIRD benchmark dataset show our system achieves an execution accuracy of 53.91% and validation efficiency score of …
Out Of Institutions, Into Society: A Qualitative Interpretive Meta-Synthesis Exploring The Shared Experiences Of Veterans And Formerly Incarcerated Persons Reintegrating Into Civilian Life, Hannah C. Pederson
Social Work Theses - Archive
The reintegration experiences of veterans and formerly incarcerated persons (FIPs) share significant parallels, yet there is a notable lack of literature exploring these similarities. This study employs qualitative interpretive meta-synthesis (QIMS) methodology, a cross-study qualitative analysis approach developed specifically for the social work field, to identify commonalities in the reintegration narratives of U.S. veterans transitioning from military service and FIPs returning to civilian life post-incarceration. The author conducted a QIMS on ten studies published between 2006 and 2024 (N=172). The QIMS yielded seven overarching themes: supports, mental health and wellness, institutional residue, culture shock, socioeconomic hardships (“it’s hard out here”), …
Growing Up In A Blended Family: A Narrative Review Of Mental And Emotional Health Impact, Gerald K. Evans, Gerald Kevin Evans-Mayner
Growing Up In A Blended Family: A Narrative Review Of Mental And Emotional Health Impact, Gerald K. Evans, Gerald Kevin Evans-Mayner
Social Work Theses - Archive
Adolescents growing up in blended families are at a higher risk of experiencing emotional and mental health challenges compared to adolescents growing up in nuclear families. This thesis examines this impact as adolescents transition into adulthood. This narrative review gathered data from articles published from 2019 to 2024 in the United States that were archived in the Family Studies Abstracts database. The findings primarily concerned romantic and parent-teen relationships, effects that began and lingered after adolescence, exposure to violence, and lack of intimacy and security. The implications of this research are that future investigations are needed to better understand the …
Experiences Of Community Leaders And Organizers Within The Stop Six Community, Caitlin Herron
Experiences Of Community Leaders And Organizers Within The Stop Six Community, Caitlin Herron
Social Work Theses - Archive
Although community-based and grassroots leadership research exists, little exists in the way of exploring the personal and relational experiences of community organizers to their work and to their community. Using data collected from semi-structured interviews with self-identified community leaders, this research addresses insights into their lived experiences. In particular, a thematic exploration looks at what appeared across each interview. This research is intended to serve as a basis for future research into the lived experiences of community organizers outside of one specific experience or cause, but rather to take an in-depth look into them, their perceptions, and their relationship to …
From Insight To Experience Mapping Experiential Approaches To Cultivating Self-Awareness In Undergraduate Social Work Curricula, Georgianna E. Goff
From Insight To Experience Mapping Experiential Approaches To Cultivating Self-Awareness In Undergraduate Social Work Curricula, Georgianna E. Goff
Social Work Theses - Archive
This scoping review examines the current state of experiential learning methodologies used to increase self-awareness among undergraduate social work students. While the Council on Social Work Education (CSWE) emphasizes self-awareness as a core professional competency, the literature reveals a notable lack of a standardized, field-wide definition and a reliance on fragmented pedagogical approaches. This Review systematically analyzed nine empirical studies, mapping the key characteristics, theoretical frameworks, and teaching methods. The findings indicate that most studies used qualitative or mixed-methods designs, with a majority relying on Kolb’s and Dewey’s experiential learning theories to bridge the gap between classroom theory and professional …
Advancing Particle Detection In High-Energy Physics Through Simulation And Experimentation, Ilker Parmaksiz
Advancing Particle Detection In High-Energy Physics Through Simulation And Experimentation, Ilker Parmaksiz
Physics Dissertations - Archive
Particle detectors are the cornerstone of experimental high energy physics. They enable physicists to study fundamental interactions and characterize subatomic particles. Recent advancements in detector technology have been propelled by the inventive integration of simulation, advanced materials, and improved electronic readouts. The primary motivation of this thesis is to advance the detector technologies to enhance sensitivity to neutrinoless double beta decay in high pressure xenon time projection chambers. Additionally, it includes work on other detector technologies, such as liquid argon time projection chambers, and documents my involvement in assembly, measurement, and simulation efforts.
Summary of the Chapters and Appendices Included …
Quantity Over Quality? What Pupil Dilations Tell Us About Cognitive Effort At Learning., Durna Alakbarova
Quantity Over Quality? What Pupil Dilations Tell Us About Cognitive Effort At Learning., Durna Alakbarova
Psychology Dissertations - Archive
The current study examined whether pupil dilations at encoding reflect cognitive effort participants engage in a task. According to the cognitive effort hypothesis of pupil dilations, increases in cognitive effort cause activation of the locus coeruleus–norepinephrine (LC-NE) system, which is reflected in larger pupil dilations. While task-evoked pupillary responses (TEPRs) have been used as a marker of cognitive effort, it remains unclear whether changes in pupil size reflect encoding success. We proposed that the reason for conflicting findings on the topic is a lack of nuance in examining cognitive effort. Specifically, we suggested that cognitive effort consists of two separate …
Investigating Sex-Specific Role Of The Kynurenine Pathway In Opioid Withdrawal, Blake Brady
Investigating Sex-Specific Role Of The Kynurenine Pathway In Opioid Withdrawal, Blake Brady
Psychology Theses - Archive
The opioid epidemic has led to a surge in opioid use disorder (OUD) and overdose deaths, making opioid withdrawal a critical area of study. Opioid withdrawal is characterized by both somatic and affective symptoms, including anxiety-like behaviors and physical withdrawal signs, yet the underlying neurobiological mechanisms remain insufficiently understood. The kynurenine pathway (KP), a primary metabolic route for tryptophan (TRP), is increasingly implicated in neuroinflammatory responses and neuropsychiatric disorders, yet its involvement in opioid use and withdrawal remains poorly studied, with even less known about potential sex-specific differences. Historically, the predominant use of male subjects in preclinical research has compounded …
Diverse Bodies, Inclusive Shopping? How Representation Of Body Diversity Shapes Consumer Experiences, Javier Alejandro Martinez
Diverse Bodies, Inclusive Shopping? How Representation Of Body Diversity Shapes Consumer Experiences, Javier Alejandro Martinez
2025 Fall Honors Capstones Projects - Archive
This systematic literature review aims to summarize the prior research on the impact of body diversity representation on consumer behaviors in the fashion retailing industry. Deriving from 30 peer-reviewed research articles, we explore how body diversity representation in advertisements and product assortment affects consumer self-evaluation, shopping behaviors, and the nuances within the luxury fashion sector. Consistent with self-congruence theory, findings show that diverse and natural model representation improves body image and purchase intentions. In contrast, idealized portrayals and limited size options reinforce exclusivity, deepen social divides, and harm the self-esteem of excluded consumers, a model that is utilized in luxury …
Cdh-3/Cadherin, Yap-1/Yap And Egl-44/Tead Promote Syx-2/Syntaxin And Eff-1 Fusogen-Mediated Phagosome Closure, Alec Whited, Aladin Elkhalil, Ginger Clark, Piya Ghose
Cdh-3/Cadherin, Yap-1/Yap And Egl-44/Tead Promote Syx-2/Syntaxin And Eff-1 Fusogen-Mediated Phagosome Closure, Alec Whited, Aladin Elkhalil, Ginger Clark, Piya Ghose
Biology Theses - Archive
Physical interactions between cells, such as cell-cell junctions, can profoundly impact cell fate. A vital cell fate for normal development and homeostasis is programmed cell death. Cells fated to die must be efficiently cleared away via phagocytosis, and defects are associated with a variety of diseased states. Whether cell-cell physical associations affect programmed cell elimination has not been well-explored. Here we describe, in vivo, a cell-cell adhesion-driven signaling pathway that ensures compartment-specific cell clearance during development. We previously described the specialized cell death program “Compartmentalized Cell Elimination” (CCE) in the C. elegans embryo. During CCE, the tail-spike cell (TSC), a …
Direct Partial Oxidation Of Methane To Methanol Using Dioxygen Over Superhydrophobic Modified Catalysts, Oluchukwu V. Igboenyesi
Direct Partial Oxidation Of Methane To Methanol Using Dioxygen Over Superhydrophobic Modified Catalysts, Oluchukwu V. Igboenyesi
Chemistry & Biochemistry Dissertations - Archive
Various methods for enhancing catalysts activity and productivity in gas to liquid synthesis like Direct Methane to Methanol Conversion and Fischer Tropsch Synthesis have been studied over the years. Some of these methods include the use of promoters, bifunctional catalysts, introducing steam, optimizing reaction conditions and catalyst modification. The choice of catalysts and their modification plays a critical role in improving the overall productivity in gas to liquid synthesis.
This research explored the superhydrophobic modification of heterogenous catalysts used in Direct Methane to Methanol Conversion (DMTM) and Fischer Tropsch Synthesis (FTS). The catalysts were modified with Perfluoro alkyls (PFSMA). The …
Copper-Based Oxide Semiconductors: Transparent Conductors And Ternary Alloys, Abhishek Rawat
Copper-Based Oxide Semiconductors: Transparent Conductors And Ternary Alloys, Abhishek Rawat
Chemistry & Biochemistry Dissertations - Archive
This dissertation explores the strategic design and development of copper-based metal oxide semiconductors for photoelectrochemical (PEC) and optoelectronic applications, with a focus on advancing materials for sustainable energy technologies. Through a comprehensive investigation into copper vanadates and copper oxides, the work aims to understand and enhance charge transport, light-harvesting capabilities, and electronic structure modulation. The research integrates fundamental materials chemistry with applied photoelectrochemical studies to uncover the role of copper's d-electrons in mid-gap state formation, multifunctionality through electronic structure tuning, and the development of low-temperature transparent conductive oxides.
In chapter 2, we have discussed the attributes of copper metavanadate (CuV …
The Impact Of Inter-Subunit Communication On F420h2:Nadp+ Oxidioreductase: A Kinetic Approach, Jamariya A. Howard
The Impact Of Inter-Subunit Communication On F420h2:Nadp+ Oxidioreductase: A Kinetic Approach, Jamariya A. Howard
Chemistry & Biochemistry Dissertations - Archive
F₄₂₀H₂:NADP⁺ Oxidoreductase (Fno) catalyzes the reversible reduction of NADP⁺ to NADPH using reduced F₄₂₀ as the hydride donor. Both NADPH and the F₄₂₀ cofactor play significant roles in various metabolic pathways, including glycolysis and methanogenesis, particularly in methanogenic and sulfate-reducing archaea. These organisms play an essential role in global carbon cycling by converting carbon dioxide to methane through the methanogenic pathway, which is directly tied to energy production. This thesis investigates the hydride transfer mechanism of Fno from the extreme thermophile Archaeoglobus fulgidus, using fluorescence binding, steady-state and pre steady-state kinetics.
Chapter 1 outlines the structural and spectral characteristics …
Resveratrol Exerts Anti-Inflammatory Effects On Human Thp-1 Macrophages, Valeria B. Martinez
Resveratrol Exerts Anti-Inflammatory Effects On Human Thp-1 Macrophages, Valeria B. Martinez
Chemistry & Biochemistry Theses - Archive
Inflammation is a natural biological response to harmful stimuli. It initiates a series of reactions that prompt defensive and curative mechanisms, ridding the body of offending agents and healing remaining injuries. Inflammation involves the intricate communication between cells, requiring complex signaling that mediates various pathways. This acute form of inflammation is vital for our survival, promoting a myriad of mechanisms that function to defend and heal. However, if this inflammatory response is not resolved, it results in a prolonged condition referred to as chronic inflammation. This persistent inflammatory state is incredibly harmful, damaging the host's healthy cells, tissues, and organs. …
Statistical Analysis Of Climate Trends And Variability In Tarrant County Using Annual, Decade, And Three-Decade Time Periods, Quinnton Debolt
Statistical Analysis Of Climate Trends And Variability In Tarrant County Using Annual, Decade, And Three-Decade Time Periods, Quinnton Debolt
Earth & Environmental Sciences Theses - Archive
This study is a statistical analysis of climate trends within the Dallas-Fort Worth metroplex according to several time-scale models to understand how the climate for the locality has changed and to provide a basis for projections of what future climate might look like. Trends in mean temperature and precipitation for North Central Texas generally correlate with corresponding global trends linked to natural variability and anthropogenic-induced climate change. Temperature rises in this region annually by 0.08°C and by 0.22°C for a three-decade average. Seasonal increases in three-decadal averages of temperature for North Central Texas relative to the average of the reference …
Spatiotemporal Analysis Of Extreme Precipitation Events In Texas, Anusha Kandi Ravi
Spatiotemporal Analysis Of Extreme Precipitation Events In Texas, Anusha Kandi Ravi
Earth & Environmental Sciences Theses - Archive
Extreme precipitation events (EPEs) are among the most critical weather hazards in Texas, frequently leading to floods, infrastructure damage, and costly economic losses. Therefore, analyzing the spatiotemporal patterns of EPEs is vital, particularly for improving regional climate predictions and hazard preparedness. Although the propagation of EPEs has been previously investigated using complex network theory, the evolution of their climate network has not yet studied. For this purpose, we first collected precipitation data from the NOAA AORC dataset for the 1980-1989, 1990-1999, 2000-2009, 2010-2019, and 2020-2024 periods. The EPEs were identified based on the 95th percentile of wet-day precipitation (≥ 1 …
Photonic Crystal Devices For Chip Scale Sensing Systems, Yudong Chen
Photonic Crystal Devices For Chip Scale Sensing Systems, Yudong Chen
Electrical Engineering Dissertations - Archive
This thesis investigates the design and integration of photonic crystal (PC) structures for compact, high-performance optical platforms, with a focus on applications in gas sensing, on-chip lasers, and flat optics. Chapter 1 introduces the fundamental principles of PC design and simulation, highlighting their potential to replace bulky components in micro-gas chromatography (µGC) systems through miniaturization and integration. Chapter 2 explores PC-based nanobeam lasers, including the Lambda-Scale Embedded Active-Region Photonic Crystal (LEAP) laser, which demonstrates strong optical confinement and energy-efficient operation, with energy consumption as low as 8 fJ/bit. These laser designs are evaluated for their suitability in low-power, high-speed on-chip …
Optimizing Architecture And Software For Next-Generation Memory Systems, Lingfeng Xiang
Optimizing Architecture And Software For Next-Generation Memory Systems, Lingfeng Xiang
Computer Science and Engineering Dissertations - Archive
The rapid advancement of memory technologies presents new challenges and opportunities for system software and architectural design. This dissertation investigates how to optimize modern computing systems for next-generation memory, mostly focusing on persistent memory and Compute Express Link (CXL)-based memory. First, we conduct a detailed characterization of Intel Optane DC Persistent Memory, identifying the distinct behaviors of its on-DIMM read and write buffers and analyzing their impact on application performance. These insights motivate optimizations that decouple read and write paths, revealing that random read latency—especially in pointer-chasing workloads—is a dominant performance bottleneck. Second, we present NOMAD, a page management framework …
3d Perception, Mapping, And Navigation For Mobile Cobot, Tuan T. Dang
3d Perception, Mapping, And Navigation For Mobile Cobot, Tuan T. Dang
Computer Science and Engineering Dissertations - Archive
Service robots are migrating from tightly controlled factory lines into offices, hospitals, and homes, where they must perceive, remember, and act amid people, clutter, and perpetual change. Humans solve this daily by forming compact, task-relevant “cognitive maps”: we sample just enough sensory detail to guide the moment, stitch those snapshots into a sparse topological scaffold, and continuously refine it as we move. Guided by that insight, this dissertation proposes a biologically inspired mapping framework that turns partial RGB-D observations into a hybrid temporal-spatial memory—locally metric for centimeter-scale navigation yet globally topological for room-to-building navigation. The system first distills raw depth …