Miracle-dz/UniFAR-FTUs huggingface dataset:
Experience: An Examination of Learning Community Models on the Retention, Progression, and Academic Performance of Engineering Students at a Historically Black University

Dr. Reginald J. Perry is currently a professor of electrical and computer engineering at the joint Florida A&M University-Florida University (FAMU-FSU) College of Engineering. He received the B.S. (Co-op, Highest Honors), M.S., and Ph.D. degrees in electrical engineering all from the Georgia Institute of Technology. He served as chair of the Department of Electrical and Computer Engineering from 1999 to 2004, and associate dean for student affairs and curriculum at the college from 2004 to 2018. Dr. Perry’s research interests include semiconductor device modeling, embedded systems design, and engineering education. He is an electrical and computer engineering program evaluator for ABET, Inc, a senior member of the IEEE, and a member of ASEE. Dr. Charmane V. Caldwell, Dr. Charmane V. Caldwell is the Director of Student Access at the FAMU-FSU College of Engineering (COE). As Director, Charmane leads a comprehensive effort to increase the number of underrepresented undergraduate minorities and women in engineering. She has developed and managed several retention programs at the college: Engineering Concepts Institute (ECI) Summer Bridge; Engineering Living Learning Community (LLC), Educating Engineering Students Innovatively (EESI) and Peer-Assisted Study Sessions (PASS). Dr. Caldwell also serves as the activity director for the Title III program Engineering Learning Community. Those collective programs have nearly doubled the ﬁrst-year retention of underrepresented minorities at the college. Additionally, Dr. Caldwell serves as a teaching professor for the First-Year Engineering Lab (FYEL), which is part of the pre-engineering program.
Intangible Asset Disclosure and Impact on Firm Value

Title: Intangible Asset Disclosure and Impact on Firm Value - ​ Evidence from Swedish Listed IT Firms Background: In this changing economy, firm are gaining larger amounts of intangible assets. Along with these changes there are several challenges, including not only reporting these intangibles but also measuring them. Many of these intangible assets are treated as expenditures and are therefore not capitalized. As a result, a firm’s external reporting might become less likely to fully mirror the firm’s true value. Purpose: Our study aims to examine whether a larger gap between market and book values of equity (also, hidden values) may explain a higher voluntary firm disclosure of intangible assets. We also aim to examine whether firms with higher disclosures of intangible assets might contribute to higher market values. Methodology: By analyzing the annual reports from listed firms, we retrieve the total length of their disclosures of intangible assets. In order to test our first hypothesis and see whether hidden values impact the intangible asset disclosure, we use a model based on a study by Whiting and Miller (2008). To test the second hypothesis and examine the impact of the intangible asset disclosure on market capitalization, we use a model based on Abdolmohammadi’s (2005) study. The study has a focus on Swedish listed IT companies, and studies the years 2010-2014. Findings: When analyzing the impact of hidden values on the intangible asset disclosures, we find evidence suggesting a positive relationship. This indicates that firms which have more (identifiable and non-identifiable) intangible assets have a tendency to disclose more of these intangible assets. In the second analysis we find a positive relationship between intangible asset disclosure and market capitalization, suggesting that firms that disclosure more about their intangible assets have higher market capitalizations.
Orange is the new white: taxonomic revision of Tritonia species (Gastropoda: Nudibranchia) from the Sea and Island. 44(3),

Among nudibranch molluscs, the family Tritoniidae gathers taxa with an uncertain phylogenetic position, such as some species of the genus Tritonia Cuvier, 1798. Currently, 37 valid species belong to this genus and only three of them are found in the Southern Ocean, namely T. challengeriana Bergh, 1884, T. dantarti Ballesteros & Avila, 2006, and T. vorax (Odhner, 1926). In this study, we shed light on the long-term discussed systematics and taxonomy of Antarctic Tritonia species using morpho-anatomical and molecular techniques. Samples from the Weddell Sea and Bouvet Island were dissected and prepared for scanning electron microscopy. The three molecular markers COI, 16S, and H3 were sequenced and analysed through maximum-likelihood and Bayesian methods. The phylogenetic analyses and species delimitation tests clearly distinguished two species, T. challengeriana widely spread in the Southern Ocean and T. dantarti endemic to Bouvet Island . Colouration seems to be an unreliable character to differentiate among species since molecular data revealed both species can either have orange or white colour morphotypes. This variability could be explained by pigment sequestration from the soft coral species they feed on. Morphological analyses reveal differences between Antarctic and Magellanic specimens of T. challengeriana. However, the relationship between T. challengeriana specimens from these two regions remains still unclear due to the lack of molecular data. Therefore, the validity of the T. antarctica Martens & Pfeffer, 1886, exclusively found in Antarctic waters requires further systematic work.
Reassessment of the Late Steps of Coenzyme B 12 Synthesis in Salmonella enterica : Evidence that Dephosphorylation of Adenosylcobalamin-5 (cid:2) -Phosphate by the CobC Phosphatase Is the Last Step of the Pathway (cid:1)

We report that cobC strains of Salmonella enterica serovar Typhimurium are impaired in the ability to salvage cobyric acid (Cby), a de novo corrin ring biosynthetic intermediate, under aerobic growth conditions. In vivo and in vitro evidence support the conclusion that this new phenotype of cobC strains is due to the inability of serovar Typhimurium to dephosphorylate adenosylcobalamin-5 (cid:1) -phosphate (AdoCbl-5 (cid:1) -P), the product of the condensation of (cid:1) -ribazole-5 (cid:1) -phosphate ( (cid:1) -RP) and adenosylcobinamide-GDP by the AdoCbl-5 (cid:1) -P synthase (CobS, EC 2.7.8.26) enzyme. Increased ﬂux through the 5,6-dimethylbenzimidazole and cobinamide (Cbi) activation branches of the nucleotide loop assembly pathway in cobC strains restored AdoCbl-5 (cid:1) -P synthesis from Cby in a cobC strain. The rate of the CobS-catalyzed reaction was at least 2 orders of magnitude higher with (cid:1) -RP than with (cid:1) -ribazole as substrate. On the basis of the data reported herein, we conclude that removal of the phosphoryl group from AdoCbl-5 (cid:1) -P is the last step in AdoCbl biosynthesis in serovar Typhimurium and that the reaction is catalyzed by the AdoCbl-5 (cid:1) -P phosphatase (CobC) enzyme. Explanations for the correction of the Cby salvaging phenotype are discussed. performed at the Mass Spectrometry Facility of the University of Wisconsin—Madison Biotechnology Center. Mass spectra were obtained with an MDS Sciex 4800 matrix-assisted laser desorption ionization–time-of-ﬂight (MALDI-TOF) mass spectrometer. Biochemical procedures. (i) In vitro L -Thr kinase activity assay. We used radiolabeled L -Thr to increase the sensitivity of the assay used to investigate whether CobC had L -Thr kinase activity. We resolved reagents from products by thin-layer chromatography (TLC) on polyethylenimine (PEI) plates developed with a 95% (vol/vol) ethanol:2.5 M ammonium acetate (1:1) mobile phase. Visualization of the results was achieved with a Packard Cyclone storage phos-phorimaging system (Packard). Reaction mixtures contained [ 14 C-U]- L -Thr (6.55 mCi/mmol; 50, 150, 250, and 750 nmol) and a number of potential phosphate donors, including ATP and GTP (10, 20, and 50 nmol); (cid:3) -RP (20 nmol); (cid:3) -DAD (5 and 20 nmol); acetyl phosphate (40 nmol); potassium phosphate, pH 7.7 (0.01 M); and sodium pyrophosphate (10 mM). We also tested the effects of trace
Angular momentu mo f sound pulses

Abstract Three-dimensionally localized acoustic pulses in an isotropic ﬂuid mediumnecessarily have transverse components of momentum density. Those withan azimuthal component of momentum density can carry angular momentum.The component of total pulse angular momentum along the direction of thetotal momentum is an invariant (constant in time and independent of choice oforigin). The pulse energy, momentum and angular momentum are evaluatedanalytically for a family of localized solutions of the wave equation. Inthe limit where the pulses have many oscillations within their spatial extent( ka 1, where k is the wavenumber and a determines the size of a pulse), theenergy, momentum and angular momentum are consistent with a multiphononrepresentation of the pulse, each phonon having energy hck ¯ ,momentum hk ¯ andangular momentum hm ¯ (with integer m ). (Some ﬁgures in this article are in colour only in the electronic version) 1. Introduction The idea of light carrying angular momentum goes back to Poynting in 1909 [1]. The ﬁrstmeasurement of the torque exerted by a beam of polarized light was made by Beth [ 2]. The ﬁeldof optical angular momentum is still very active: for a selection of reprints, see [3]. In contrast,acoustic angular momentum is not even mentioned in standard texts [4–10]. This is surprising,given that a common source of sound, in air and in water, is the propeller. The rotation of thepropeller imparts a torque to the ﬂuid medium, and we might well expect the radiated soundto have angular momentum. Although acoustical torques on objects have been studied andused since Rayleigh’s proposal in 1882 [11–14], the sound beams causing the torques did notcarry intrinsic angular momentum. The only existing discussion of intrinsic acoustic angularmomentum appears to be for ‘helicoidal’ acoustical beams, studied and produced by Hefnerand Marston [15]. The same types of transducer used to produce helicoidal beams could alsoproduce the angular-momentum-carrying pulses studied here, and such pulses could be used togive impulsive torques, for example to rotating free drops in the microgravity environment oflow earth orbit [14].
Resilience and economic empowerment: A qualitative investigation of entrepreneurial Indonesian Women

The development of female entrepreneurs in Indonesia is an integral part of Muslim women’s economic contributions and empowerment. However, there is a lack of reliable research about female entrepreneurship and how gender may affect the experiences of business ownership in Indonesia. Therefore, the aim of this study is to explore the challenges encountered by these women entrepreneurs on a daily basis. Qualitative in-depth interviews were conducted with 30 female Indonesian entrepreneurs. Participants were recruited using theoretical and maximum variation sampling techniques. Content analysis was then used to analyze the data. Results revealed high levels of variations, both within and between women, suggesting that the quality of business entrepreneurship and success depended largely on the personal characteristics of these women, rather than on any system of formal education or training. This study also found that many women displayed resilient coping strategies when dealing with business failures. As a consequence, they were able to thrive despite restrictive social, cultural and political constraints. The paper highlights the importance of the experiences of female entrepreneurs in a developing country and the need to integrate the development of female entrepreneurship as a part of women empowerment effort.
Coordinating Multiple Sources for Service Restoration to Enhance Resilience of Distribution Systems

When a major outage occurs on a distribution system due to extreme events, microgrids, distributed generators, and other local resources can be used to restore critical loads and enhance resiliency. This paper proposes a decision-making method to determine the optimal restoration strategy coordinating multiple sources to serve critical loads after blackouts. The critical load restoration problem is solved by a two-stage method with the first stage deciding the post-restoration topology and the second stage determining the set of loads to be restored and the outputs of sources. In the second stage, the problem is formulated as a mixed-integer semidefinite program (SDP). The objective is maximizing the number of loads restored, weighted by their priority. The unbalanced three-phase power flow constraint and other operational constraints are considered. An iterative algorithm is proposed to deal with integer variables and can attain the global optimum of the critical load restoration problem by solving a few SDPs in most cases. The effectiveness of the proposed method is validated by numerical simulation with the modified IEEE 13-node test feeder and the modified IEEE 123-node test feeder under plenty of scenarios. The results indicate that the optimal restoration strategy can be determined efficiently in most scenarios.
Edinburgh Research Explorer Amyloid beta induces the morphological neurodegenerative triad of spine loss, dendritic simplification, and neuritic dystrophies through calcineurin activation

Amyloid beta containing plaques are surrounded by dystrophic neurites in the Alzheimer disease (AD) brain, but whether and how plaques induce these neuritic abnormalities remain unknown. We tested the hypothesis that soluble oligomeric assemblies of A β , which surround plaques, induce calcium mediated secondary cascades that lead to dystrophic changes in local neurites. We show that soluble A β oligomers lead to activation of the calcium-dependent phosphatase CaN (PP2B) which in turn activates the transcriptional factor nuclear factor of activated T cells (NFAT). Activation of these signaling pathways, even in the absence of A β , is sufficient to produce a virtual phenocopy of A β induced dystrophic neurites, dendritic simplification, and dendritic spine loss in both neurons in culture and in the adult mouse brain. Importantly, the morphological deficits in the vicinity of A β deposits in a mouse model of AD are ameliorated by CaN inhibition, supporting the hypothesis that CaN/NFAT are aberrantly activated by A β , and that CaN/NFAT activation is responsible for disruption of neuronal structure near plaques. In accord with this, we also detect increased levels of an active form of CaN and NFATc4 in the nuclear fraction from the cortex of patients with AD. Thus, A β appears to mediate the neurodegeneration of AD, at least in part, by activation of CaN and subsequent NFAT-mediated downstream cascades.
Accounting conservatism and ﬁrm performance during the COVID-19 pandemic

We explore whether ﬁrms with more conditionally conservative accounting practices have higher stock returns than other ﬁrms during the Covid-19 outbreak. We ﬁnd evidence that Chinese ﬁrms listed on the Shanghai and Shenzhen Stock Exchanges applying more conditionally conservative reporting have lower declines in stock return performance during the Covid-19 outbreak relative to other ﬁrms. We also ﬁnd that the beneﬁcial role of conditional conservatism is higher when ﬁrms have greater information asymmetry following the Covid-19 pandemic. Our results are robust to various model speciﬁcations with four diﬀerent measures of conservatism and an alternative return window.
FALCIPARUM PARASITE MALARIA AND ITS PREVENTIVE/SAFETY MEASURES: UNION OF BITTER ALKALOID AND ANTIBIOTIC TETRACYCLINE THERAPY

: Objective: The main idea of this research was to check the power in living organisms and unfavourable outcomes of a bitter alkaloid taken from a tree and an antibiotic tetracycline doxycycline union in epidemic of malaria which is the result of a parasite protozoan known Plasmodium (P.) falciparum. Methodology: This was an eventual research based on the observations. This study was carried out in DHQ Teaching Hospital, Dera Ghazi Khan. Our research span over five months from September, 2016 to February, 2017. The participants of the study were 337 patients of malaria which was caused by the above-mentioned parasite were selected for the research. High, low and medium worth with the difference in the age, rectification time from fever and the clearance time for the parasite was checked. In this research, the occurrence of the deaths and other relation unfavourable occasions were also checked. Results: Two hundred and fifty-seven patients found with P. falciparum and eighty-one patients found two different types of parasite in which one was the falciparum and the other one was vivax. The average time for the rectification of the fever was different for both of the patients. The time was greater in case of the patients affected by two parasites. The average clearance time from the single parasite was seventy points thirty-two hours and sixty-eight hours for the patient of two parasites. There were some patients who developed some side effect such as nausea. There percentage was three-point three percent. The rate of mortality was lower in this research. The rate was less than one percent. Conclusion: A bitter alkaloid taken from a tree and an antibiotic tetracycline union treatment was used as therapy. It should be used with extensive safety measures against the malaria caused by the falciparum parasite.
Evolution of NMDA receptor cytoplasmic interaction domains

Background: Glutamate gated postsynaptic receptors in the central nervous system (CNS) are essential for environmentally stimulated behaviours including learning and memory in both invertebrates and vertebrates. Though their genetics, biochemistry, physiology, and role in behaviour have been intensely studied in vitro and in vivo , their molecular evolution and structural aspects remain poorly understood. To understand how these receptors have evolved different physiological requirements we have investigated the molecular evolution of glutamate gated receptors and ion channels, in particular the N -methyl- D -aspartate (NMDA) receptor, which is essential for higher cognitive function. Studies of rodent NMDA receptors show that the C-terminal intracellular domain forms a signalling complex with enzymes and scaffold proteins, which is important for neuronal and behavioural plasticity Results: The vertebrate NMDA receptor was found to have subunits with C-terminal domains up to 500 amino acids longer than invertebrates. This extension was specific to the NR2 subunit and occurred before the duplication and subsequent divergence of NR2 in the vertebrate lineage. The shorter invertebrate C-terminus lacked vertebrate protein interaction motifs involved with forming a signaling complex although the terminal PDZ interaction domain was conserved. The vertebrate NR2 C-terminal domain was predicted to be intrinsically disordered but with a conserved secondary structure. Conclusion: We highlight an evolutionary adaptation specific to vertebrate NMDA receptor NR2 subunits. Using in silico methods we find that evolution has shaped the NMDA receptor C-terminus into an unstructured but modular intracellular domain that parallels the expansion in complexity of an NMDA receptor signalling complex in the vertebrate lineage. We propose the NR2 C-terminus has evolved to be a natively unstructured yet flexible hub organising postsynaptic signalling. The evolution of the NR2 C-terminus and its associated signalling complex may contribute to species differences in behaviour and in particular cognitive function.
SUB-RIEMANNIAN GEOMETRY AND SWIMMING AT LOW

In Takagi [ Phys. Rev. E 92 (2015) 023020], based on copepod observations, Takagi pro-posed a model to interpret the swimming behaviour of these microorganisms using sinusoidal paddling or sequential paddling followed by a recovery stroke in unison, and compares them invoking the concept of eﬃciency. Our aim is to provide an interpretation of Takagi’s results in the frame of optimal control theory and sub-Riemannian geometry. The maximum principle is used to select two types of periodic control candidates as minimizers: sinusoidal up to time reparameterization and the sequential paddling, interpreted as an abnormal stroke in sub-Riemannian geometry. Geometric analysis combined with numerical simulations are decisive tools to compute the optimal solutions, reﬁning Takagi computations. A family of simple strokes with small amplitudes emanating from a center is characterized as an invariant of SR-geometry and allows to identify the metric used by the swimmer. The notion of eﬃciency is discussed in detail and related with normality properties of minimizers.
Uptake of Healthcare Insurance and Its Associated Factors among Patients Seeking Care at Moi Teaching and Referral Hospital, Eldoret

Arising from the global practice and WHO recommendations, extending access to health care to all segments of the population, including the poor is an important objective of the Kenyan Government’s National Health-Sector Strategic Plan and National Development Agenda as outlined in the Kenya Vision 2030 policy framework (Ministry of Health, 2015). Health insurance is deemed as a means of protecting individuals from incurring high costs at times of illness. It is a potential mechanism for overcoming existing health inequities with consequent effort to promote uptake among the citizens as a way of promoting healthcare. This study examined the factors associated with uptake of healthcare insurance among patients seeking care at Moi Teaching and Referral Hospital, Eldoret, Kenya. A descriptive cross sectional-survey design was adopted involving 234 in-patients and out-patients seeking care at Moi Teaching and Referral Hospital. Stratified and Systematic sampling techniques were applied. Data was collected using structured questionnaires, coded, cleaned and entered into STATA (version 13) for analysis. Descriptive statistics were generated and bivariate analysis to determine factors associated with healthcare insurance uptake were carried out using OR and the Chi-square test. A multiple-logistic model was fitted to adjust for relationships. The study found out that uptake of healthcare insurance cover was a significantly associated with education level, marital status, income of the patients and level of awareness. Uptake of healthcare insurance cover was high among the old (Median = 35, IQR 29, 42) compared to the young (Median = 32, IQR 24, 40), p=0.013. Awareness about of healthcare insurance was associated with, p<0.001, while gender disparity did not show any differentials in uptake, p=0.163. The study concluded that males and the elderly were more likely to be enrolled in healthcare insurance schemes than females and the young. In addition, marital status and education level of an individual positively influenced uptake of healthcare insurance. However, the association between gender and healthcare insurance was not significant. The study further concluded that respondents with higher incomes had a higher likelihood of enrolling in a healthcare insurance scheme as compared to individuals with low income. Awareness about healthcare insurance schemes increased uptake of healthcare insurance. The study recommends the need to encourage women, the unmarried and the young to enroll in healthcare insurance schemes. In addition, insurance agents need to target people with low education levels to scale up uptake and further, healthcare insurance providers to tailor affordable products consistent with income differentials.