bluuebunny/crossref_metadata_2025 huggingface dataset:
The Short-term Effects of Temperature on Infectious Diarrhea among Children under 5 Years Old in Jiangsu, China: A Time-series Study (2015–2019)
Authors: Huang Nan-nan , Zheng Hao , Li Bin , Fei Gao-qiang , Ding Zhen , Wang Jia-jia , Li Xiao-bo
Published: April 2021

The association between meteorological factors and infectious diarrhea has been widely studied in many countries. However, investigation among children under 5 years old in Jiangsu, China remains quite limited. Data including infectious diarrhea cases among children under five years old and daily meteorological indexes in Jiangsu, China from 2015 to 2019 were collected. The lag-effects up to 21 days of daily maximum temperature (Tmax) on infectious diarrhea were explored using a quasi-Poisson regression with a distributed lag non-linear model (DLNM) approach. The cases number of infectious diarrhea was significantly associated with seasonal variation of meteorological factors, and the burden of disease mainly occurred among children aged 0–2 years old. Moreover, when the reference value was set at 16.7°C, Tmax had a significant lag-effect on cases of infectious diarrhea among children under 5 years old in Jiangsu Province, which was increased remarkably in cold weather with the highest risk at 8°C. The results of DLNM analysis implicated that the lag-effect of Tmax varied among the 13 cities in Jiangsu and had significant differences in 8 cities. The highest risk of Tmax was presented at 5 lag days in Huaian with a maximum RR of 1.18 (95% CI: 1.09, 1.29). Suzhou which had the highest number of diarrhea cases (15830 cases), had a maximum RR of 1.04 (95% CI:1.03, 1.05) on lag 15 days. Tmax is a considerable indicator to predict the epidemic of infectious diarrhea among 13 cities in Jiangsu, which reminds us that in cold seasons, more preventive strategies and measures should be done to prevent infectious diarrhea.
Ressourcen und Anforderungen (ReA) in der Arbeitswelt: Entwicklung und erste Validierung eines Fragebogens
Authors: Schulte Eva-Maria , Wittner Britta , Kauffeld Simone
Published: April 2021

Dieser Beitrag in der Zeitschrift Gruppe. Interaktion. Organisation (GIO) stellt mit dem ReA Fragebogen ein umfassendes und branchenunabhängiges Analysetool zur Erfassung von Anforderungen und Ressourcen in Organisationen vor. Um die Gesundheit von Mitarbeitenden zu fördern und somit stressbedingten Fehlzeiten entgegenzuwirken, benötigen Organisationen geeignete Instrumente, um Anforderungen und Ressourcen zu identifizieren, um anschließende geeignete Maßnahmen zur Reduktion der Anforderungen sowie zur Stärkung der Ressourcen von Mitarbeitenden ableiten zu können. Basierend auf dem Job Demands-Resources (JDR) Modell und einer umfassenden Literaturrecherche zu relevanten Anforderungen und Ressourcen wurde ein Fragebogen entwickelt und überprüft. Faktorenanalytische Auswertungen in zwei Studien mit insgesamt 1600 Teilnehmenden bestätigen die angenommene Struktur des Instruments. Zudem zeigen sich in Übereinstimmung mit dem JDR Modell positive Zusammenhänge zwischen Ressourcen und Arbeitsengagement sowie Anforderungen und emotionaler Erschöpfung und ein negativer Zusammenhang zwischen Ressourcen und emotionaler Erschöpfung. Der mögliche Einsatz des Fragebogens zur Gesundheits-Prävention und im Rahmen der Gefährdungsbeurteilung psychischer Belastungen in Organisationen wird diskutiert.
Zwischen Aushandlung, Normierung und Moralisierung
Authors: Sehmer Julian , Thole Werner
Published: April 2021

Soziale Normen als spezifische Annahmen von Normalität bestimmen nicht nur, wie Subjekte über sich selbst und andere nachdenken. Sie sind auch Ausgangspunkt jeder Bezugnahme auf Andere. Der Beitrag entfaltet ein Verständnis von Normen anhand der These, dass soziale Normen sowohl konstitutiver Bestandteil Sozialer Arbeit sind als auch einen zu problematisierenden Gegenstand eines reflexiven Umgangs mit Professionalität darstellen.
Prognostic analysis of Behçet’s disease with aortic regurgitation or involvement
Authors: Li X. , Wen X. , Xu J. , Lin Q. , Liu L.
Published: April 2021

Background

Aortic regurgitation is the most common cardiovascular damage in Chinese patients with Behçet’s disease (BD) and is usually associated with aortic disease. These patients are easily misdiagnosed, and their prognosis is poor, even after surgical treatment. This study aimed to analyse potential factors that can improve the prognosis of BD patients with aortic regurgitation and/or aortic involvement.

Methods

Twenty-two patients with diagnosed or suspected BD as well as aortic regurgitation and/or aortic involvement in our hospital from 2012 through 2017 were collected in this study. Their clinical characteristics were listed, and the diagnosis of BD was evaluated by two different criteria sets. The influences of surgical treatment and immunosuppressive therapy (IST) on their prognosis were also explored.

Results

The diagnostic positive rate of the International Criteria for Behçet’s Disease was higher than that of the International Study Group criteria (kappa value 0.31, p < 0.05), indicating that the diagnostic consistency between the criteria sets was poor. There was no significant difference in survival between patients who had undergone ≤ 1 operation and those with ≥ 2 operations. Aortic valve replacement alone or in combination with aortic root replacement had no significant effect on the incidence of reoperation or death, but IST did significantly reduce this incidence (p < 0.05). However, there was no significant difference in the occurrence of reoperation or death between preoperative and postoperative IST versus postoperative IST only.

Conclusion

IST significantly improved the prognosis of BD patients with aortic regurgitation and/or aortic involvement.
Traditional Uses and Pharmacologically Active Constituents of Dendrobium Plants for Dermatological Disorders: A Review
Authors: Wang Yue-Hu
Published: April 2021

Dendrobium Sw. is one of the largest genera in the orchidaceous family and includes 900–2000 species. Among them, more than 80 Dendrobium species have been reported in China. However, there are only six Dendrobium species, namely, D. bigibbum var. superbum (syn. D. phalaenopsis), D. chrysanthum, D. fimbriatum, D. loddigesii, D. nobile, and D. officinale (syn. D. candidum), listed in the New Inventory of Existing Cosmetic Ingredients in China Launched. Artificial planting of Dendrobium species has been a great success in China. To better utilize Dendrobium resources for medicinal and cosmetic purposes, we summarize their traditional uses and pharmacologically active compounds for treating dermatological disorders in this review. “Orchidaceae”, “Dendrobium”, “traditional use”, “ethnobotany”, “dermatological disorder”, and “skin disease” were used as search terms to screen the literature. Cited references were collected between 1970 and 2020 from the Web of Science, China National Knowledge Internet (CNKI), SciFinder, Google Scholar, and Chinese books. From the search, it was found that there are 22 Dendrobium species with traditional uses in dermatological disorders, and 131 compounds from Dendrobium plants have been reported to possess anti-inflammatory, antimicrobial, antioxidant, antiaging, anti-psoriasis, and tyrosinase-inhibitory activities, implying that Dendrobium plants are important resources for the discovery of active compounds and the development of new drugs and cosmetics. D. crepidatum, D. denneanum, D. loddigesii, D. nobile, and D. officinale have been extensively studied. More research on other Dendrobium species is needed. The major active compounds found in Dendrobium species are phenanthrenes, alkaloids, flavonoids, phenylpropanoids, and lignans. Several compounds, such as loddigesiinol A, (S)-5-methoxy-2,4,7,9-tetrahydroxy-9,10-dihydrophenanthrene, (S)-4-methoxy-2,5,7,9-tetrahydroxy-9,10-dihydrophenanthrene, 2,5-dihydroxy-4-methoxy-phenanthrene 2-O-β-d-glucopyranoside, (9R)-1,2,5,9-tetrahydroxy-9,10-dihydrophenanthrene 5-O-β-d-glucopyranoside, (+)-homocrepidine A, and vicenin 2, have significant anti-inflammatory activities and inhibit nitric oxide (NO) production with IC50 values less than 5 μM, and these compounds are worthy of further study.

Graphic Abstract
The effect of resistance training programs on lean body mass in postmenopausal and elderly women: a meta-analysis of observational studies
Authors: Thomas Ewan , Gentile Ambra , Lakicevic Nemanja , Moro Tatiana , Bellafiore Marianna , Paoli Antonio , Drid Patrik , Palma Antonio , Bianco Antonino
Published: April 2021

Aging and menopause are associated with morphological and functional changes which may lead to loss of muscle mass and therefore quality of life. Resistance training (RT) is an effective training mode to increase muscle mass. We reviewed the existing literature to identify studies implementing RT protocols and evaluating muscle hypertrophy exclusively in healthy, postmenopausal and elderly women. Participants’ age range was comprised between 50 and 80 years. The primary outcome observed was muscle hypertrophy. Fat mass was also evaluated, if available. PubMed and Web of Science were the screened database, and original articles written in English and published from 2000 up to 2020 were included. 26 articles were considered eligible and included. Quality assessment revealed a “moderate quality” of the included studies, however the majority of studies was able to reach level 4 of evidence and on overall grade of recommendation C. In total, data from 745 female participants subjected to different forms of resistance training were considered. Heterogeneity across studies was present regarding study design, intervention length (mean 16 weeks), training frequency (3 d/w), no. of exercises (n = 7.4) and participants’ age (65.8 ± 4.9 years). Small-to-moderate significant increases (k = 43; SMD = 0.44; 95% CI 0.28; 0.60; p < 0.0001) of lean body mass were observed in post-menopausal and elderly women, regardless of age, intervention period, weekly training frequency and no. of exercises. No effects were noted for fat mass (k = 17; SMD = 0.27; 95% CI − 0.02; 0.55; p = 0.07). Studies need to concentrate on providing information regarding training parameters to more effectively counteract the effects of aging and menopause on skeletal muscle mass.
Erinnerung an die ehemalige „Friedrich List-Gesellschaft (FLG)“ – Würdigung ihres Initiators Edgar Salin sowie der anderen Herausgeber der Gesamtausgabe von Lists „Schriften/Reden/Briefen“
Authors: Wendler Eugen
Published: April 2021

Unter den widrigsten wirtschaftlichen und politischen Verhältnissen und Bedingungen wurde die Friedrich List-Gesellschaft (FLG) 1925 gegründet und bis 1934 fortgeführt. Sie verfolgte vor allem den Zweck, die weit verstreuten, schwer zugänglichen und vielfach unbekannten Schriften, Reden und Briefe von Friedrich List (1789–1846) zusammenzutragen und in Form einer Gesamtausgabe zu publizieren.

Weder diese 10- bzw. 12-bändige Gesamtausgabe, noch die Namen ihrer Herausgeber haben in der Wirtschaftswissenschaft die gebührende Wertschätzung und Aufmerksamkeit erfahren. Die längst überfällige Dankesschuld wird in dem vorliegenden Beitrag nach nahezu 100 Jahren abgetragen. Ohne den engagierten und mutigen Einsatz der Herausgeber, insbesondere von Edgar Salin, wäre die List-Forschung undenkbar und die deutsche Wirtschaftswissenschaft um ein ruhmreiches Kapitel ärmer.
Action Video Game Players Do Not Differ in the Perception of Contrast-Based Motion Illusions but Experience More Vection and Less Discomfort in a Virtual Environment Compared to Non-Action Video Game Players
Authors: Pöhlmann Katharina Margareta Theresa , O’Hare Louise , Dickinson Patrick , Parke Adrian , Föcker Julia
Published: April 2021

Action video game players (AVGPs) show enhanced visual perceptual functions compared to their non-video game playing peers (NVGPs). Whether AVGPs are more susceptible towards static contrast motion illusions, such as Fraser Wilcox illusions, has not been addressed so far. Based on their improved perceptual skills, AVGPs are expected to be more susceptible to the illusions and perceive more motion in them. The experience of illusory self-motion (vection) is believed to be dependent on top-down attentional processes; AVGPs should therefore experience stronger vection compared to NVGPs based on their improved attentional skills. Lastly, due to their extensive prior experience with virtual environments, AVGPs should experience less discomfort in VR compared to NVGPs. We presented rotating and expanding motion illusions in a virtual environment and asked 22 AVGPs and 21 NVGPs to indicate the strength of illusory motion, as well as the level of discomfort and vection experienced when exposed to these motion illusions. Results indicated that AVGPs and NVGPs perceived the same amount of motion when viewing these illusions. However, AVGPs perceived more vection and less discomfort compared to NVGPs, possibly due to factors such as enhanced top-down attentional control and adaptation. No differences in the perception of expanding and rotating illusions were found. Discomfort experienced by AVGPs was related to illusion strength, suggesting that contrast illusions might evoke the perceived discomfort rather than the virtual environment. Further studies are required to investigate the relationship between contrast sensitivity, migraine and the perception of illusion in AVGPs which should include illusory motion onset and duration measures.
Fundamental Investigations in the Design of Five-Axis Nanopositioning Machines for Measurement and Fabrication Purposes
Authors: Schienbein Ralf , Fern Florian , Theska René , Supreeti Shraddha , Füßl Roland , Manske Eberhard
Published: April 2021

The majority of nanopositioning and nanomeasuring machines (NPMMs) are based on three independent linear movements in a Cartesian coordinate system. This in combination with the specific nature of sensors and tools limits the addressable part geometries. An enhancement of an NPMM is introduced by the implementation of rotational movements while keeping the precision in the nanometer range. For this purpose, a parameter-based dynamic evaluation system with quantifiable technological parameters has been set up and employed to identify and assess general solution concepts and adequate substructures. Evaluations taken show high potential for three linear movements of the object in combination with two angular movements of the tool. The influence of the additional rotation systems on the existing structure of NPMMs has been investigated further on. Test series on the repeatability of an NPMM enhanced by a chosen combination of a rotary stage and a goniometer setup are realized. As a result of these test series, the necessity of in situ position determination of the tool became very clear. The tool position is measured in situ in relation to a hemispherical reference mirror by three Fabry–Pérot interferometers. FEA optimization has been used to enhance the overall system structure with regard to reproducibility and long-term stability. Results have been experimentally investigated by use of a retroreflector as a tool and the various laser interferometers of the NPMM. The knowledge gained has been formed into general rules for the verification and optimization of design solutions for multiaxial nanopositioning machines.
Simulation of Thermal Effects on the Flow Field in a Pilot-Scale Kiln
Authors: Larsson I. A. Sofia , Ljung Anna-Lena , Marjavaara B. Daniel
Published: April 2021

The flow field and coal combustion process in a pilot-scale iron ore pelletizing kiln is simulated using a computational fluid dynamics (CFD) model. The objective of the work is to investigate how the thermal effects from the flame affect the flow field. As expected, the combustion process with the resulting temperature rise and volume expansion leads to an increase of the velocity in the kiln. Apart from that, the overall flow field looks similar regardless of whether combustion is present or not. The flow field though affects the combustion process by controlling the mixing rates of fuel and air, governing the flame propagation. This shows the importance of correctly predicting the flow field in this type of kiln, with a large amount of process gas circulating, in order to optimize the combustion process. The results also justify the use of down-scaled, geometrically similar, water models to investigate kiln aerodynamics in general and mixing properties in particular. Even if the heat release from the flame is neglected, valuable conclusions regarding the flow field can still be drawn.
Emotion Naming Impedes Both Cognitive Reappraisal and Mindful Acceptance Strategies of Emotion Regulation
Authors: Nook Erik C. , Satpute Ajay B. , Ochsner Kevin N.
Published: April 2021

Friends and therapists often encourage people in distress to say how they feel (i.e., name their emotions) with the hope that identifying their emotions will help them cope. Although lay and some psychological theories posit that emotion naming should facilitate subsequent emotion regulation, there is little research directly testing this question. Here, we report on two experimental studies that test how naming the emotions evoked by aversive images impacts subsequent regulation of those emotions. In study 1 (N = 80), participants were randomly assigned into one of four between-subjects conditions in which they either (i) passively observed aversive images, (ii) named the emotions that these images made them feel, (iii) regulated their emotions by reappraising the meaning of images, or (iv) both named and regulated their emotions. Analyses of self-reported negative affect revealed that emotion naming impeded emotion regulation via reappraisal. Participants who named their emotions before reappraising reported feeling worse than those who regulated without naming. Study 2 (N = 60) replicated these findings in a within-participants design, demonstrated that emotion naming also impeded regulation via mindful acceptance, and showed that observed effects were unrelated to a measure of social desirability, thereby mitigating the concern of experimenter demand. Together, these studies show that the impact of emotion naming on emotion regulation opposes common intuitions: instead of facilitating emotion regulation via reappraisal or acceptance, constructing an instance of a specific emotion category by giving it a name may “crystalize” one’s affective experience and make it more resistant to modification.
Surgeon vs Pathologist for Prediction of Pancreatic Fistula: Results from the Randomized Multicenter RECOPANC Study
Authors: Timme Sylvia , Kayser Gian , Werner Martin , Litkevych Stanislav , Màlyi Ambrus Gabor , Keck Tobias , Bronsert Peter , Wellner Ulrich Friedrich , Petrova Ekaterina , Honselmann Kim C. , Bolm Louisa , Braun Ruediger , Lapshyn Hryhoriy
Published: April 2021

BACKGROUND:

Surgically assessed pancreatic texture has been identified as the strongest predictor of postoperative pancreatic fistula. However, texture is a subjective parameter with no proven reliability or validity. Therefore, a more objective parameter is needed. In this study, we evaluated the fibrosis level at the pancreatic neck resection margin and correlated fibrosis and all clinico-pathologic parameters collected over the course of the Pancreatogastrostomy vs Pancreatojejunostomy for RECOnstruction (RECOPANC) study.

STUDY DESIGN:

The RECOPANC trial was a multicenter randomized prospective trial of patients undergoing pancreatoduodenectomy. There were 261 hematoxylin and eosin-stained slides allocated for histopathologic analyses. Pancreatic fibrosis was scored from 0 to III (no fibrosis up to severe fibrosis) by 2 blinded independent pathologists. All variables possibly associated with POPF were entered into a generalized linear model for multivariable analysis.

RESULTS:

The fibrosis grade and pancreatic texture were scored in all 261 patients. In POPF B/C (postoperative pancreatic fistula grade B or C) patients, 71% had a soft pancreas, and fibrosis grades were distributed as follows: 48% with score 0, 28% with score I, 20% with score II, and 7% with score III, respectively. Fibrosis grading showed substantial inter-rater reliability (kappa = 0.74) and correlated positively with hard pancreatic texture (p < 0.05). In univariable analysis, area under the curve (AUC) for POPF B/C prediction was higher for fibrosis grade than for pancreatic texture (0.71 vs 0.59). In multivariate analysis, the following predictors were selected: sex, surgeon volume, pancreatic texture, and fibrosis grade. However, the addition of pancreatic texture only led to an incremental improvement (AUC 0.794 vs 0.819).

CONCLUSIONS:

Histologically evaluated pancreatic fibrosis is an easily applicable and highly reproducible POPF predictor and superior to surgically evaluated pancreatic texture. Future studies might use fibrosis grade for risk stratification in pancreatoduodenectomy.
Disciplining the Accepted and Amputating the Deviants: Religious Nationalism and Segregated Citizenship in Indonesia
Authors: Simandjuntak Deasy
Published: April 2021

T. H. Marshall’s 1950 seminal work shows that the granting of civil, political, and social rights leads to the institutionalization of rules binding the state and its citizens. In practice, however, citizenship goes beyond these unproblematized paternalistic relations. It is political, involving connection, competition, and conflicts. Isin and Turner (2002) propose that “citizenship” should be examined through itsextent(norms of inclusion and exclusion),content(rights and responsibility), anddepth(citizens’ perceived relation to their political community). In Indonesia, the discrimination against members of minority religions by Islamic conservative groups is among the main issues in politics. This article therefore examines the ambiguity between the constitutionally embraced “religious freedom” and the everyday discriminatory practices of conservative groups. Taking the case-studies of the sectarian campaign against a Chinese-Christian governor, the blasphemy sentence of a Chinese-Buddhist woman, and the persecution of the Ahmadiyah and Syiah, I argue that conservative groups have practised a “segregated citizenship” that prioritizes the values and interests of the majority religion against those of both the “accepted” and the “unaccepted” minority religions.
The Impact of Stroke Public Awareness Campaigns Differs Between Sociodemographic Groups
Authors: Rioux Bastien , Brissette Vincent , Marin Francine Forget , Lindsay Patrice , Keezer Mark R. , Poppe Alexandre Y.
Published: April 2021

Background:

Prehospital delays are a major obstacle to timely reperfusion therapy in acute ischemic stroke. Stroke sign recognition, however, remains poor in the community. We present an analysis of repeated surveys to assess the impact of Face, Arm, Speech, Time (FAST) public awareness campaigns on stroke knowledge.

Methods:

Four cross-sectional surveys were conducted between July 2016 and January 2019 in the province of Quebec, Canada (n = 2,451). Knowledge of FAST stroke signs (face drooping, arm weakness and speech difficulties) was assessed with open-ended questions. A bilingual English/French FAST public awareness campaign preceded survey waves 1–3 and two campaigns preceded wave 4. We used multivariable ordinal regression models weighted for age and sex to assess FAST stroke sign knowledge.

Results:

We observed an overall significant improvement of 26% in FAST stroke sign knowledge between survey waves 1 and 4 (odds ratio [OR] = 1.26; 95% CI: 1.02, 1.55; p = 0.035). After the last campaign, however, 30.5% (95% CI: 27.5, 33.6) of people were still unable to name a single FAST sign. Factors associated with worse performance were male sex (OR = 0.68; 95% CI: 0.53, 0.86; p = 0.002) and retirement (OR = 0.54; 95% CI: 0.35, 0.83; p = 0.005). People with lower household income and education had a tendency towards worse stroke sign knowledge and were significantly less aware of the FAST campaigns.

Conclusions:

Knowledge of FAST stroke signs in the general population improved after multiple public awareness campaigns, although it remained low overall. Future FAST campaigns should especially target men, retired people and individuals with a lower socioeconomic status.
Vitamins and Infusion of Levodopa-Carbidopa Intestinal Gel
Authors: Taher Jennifer , Naranian Taline , Poon Yu-Yan , Merola Aristide , Mestre Tiago , Suchowersky Oksana , Kulasingam Vathany , Fasano Alfonso
Published: April 2021

Levodopa-carbidopa intestinal gel infusion (LCIG) is an established therapy for advanced Parkinson disease (PD), resulting in a significant improvement of quality of life. With increased LCIG adoption worldwide, potential complications due to abnormal vitamin absorption or metabolism have been reported in these patients. Neurologists are unfamiliar with vitamins physiology and pathophysiological mechanisms in case of their deficiency. Unfortunately, clinical and laboratory guidelines related to vitamin monitoring and supplementation in the context of treatment with LCIG are not available. We herein summarize the current knowledge on three vitamins that are reduced with LCIG therapy reporting on their physiology, laboratory testing, and clinical impact of their deficiency/excess. In addition, we proposed an opinion-based recommendation for clinicians treating LCIG patients. Patients and caregivers should be informed about the risk of vitamin deficiency. Vitamin B12, homocysteine, and methylmalonic acid (MMA) should be tested before starting LCIG, six months after and once/year thereafter. Vitamin B6 and folate testing is not universally available but it should be considered if homocysteine is elevated but MMA and/or total vitamin B12 are normal. Prophylaxis of vitamin deficiency should be started as soon as LCIG is implemented, possibly even before. Dietary recommendations are enough in most patients although a subgroup of patients is at higher risk and should receive Vitamin B12 regularly and cycles of B6. Finally, once diagnosed a vitamin deficiency should be readily treated and accompanied by clinical and laboratory monitoring. Resistant cases should receive non-oral routes of administration and possibly discontinue LCIG, even temporarily.
Economic returns of family planning and fertility decline in India, 1991–2061
Authors: Goli Srinivas , James K. S. , Singh Devender , Srinivasan Venkatesh , Mishra Rakesh , Rana Md Juel , Reddy Umenthala Srikanth
Published: April 2021

Investment in family planning (FP) provides returns through a lifetime. Global evidence shows that FP is the second-best buy in terms of return on investment after liberalizing trade. In this study, we estimate the cumulative benefits of FP investments for India from 1991 to 2016 and project them up to 2061 with four scenarios of fertility levels. The findings suggest that India will have greater elasticity of FP investments to lifetime economic returns compared to the world average (cost–revenue ratio of 1:120). We have taken four scenarios for the goalpost, viz., 2.1, 1.8, 1.6, and 1.4. Although different scenarios of total fertility rate (TFR) levels at the goalpost (i.e., the year 2061) offer varied lifetime returns from FP, scenario TFR < 1.8 will be counterproductive and will reduce the potential benefits. With a comprehensive approach, if the country focuses more on improving the quality of FP services and on reducing the unmet need for FP to enhance reproductive health care and expand maximum opportunities for education and employment for both women and men, it can improve its potential to reap more benefits.
The Two-Pronged Middle Class: The Old Bourgeoisie, New State-Engineered Middle Class, and Democratic Development
Authors: LANKINA TOMILA V. , LIBMAN ALEXANDER
Published: April 2021

We contribute to research on the democratic role of middle classes. Our paper distinguishes between middle classes emerging autonomously during gradual capitalist development and those fabricated rapidly as part of state-led modernization. To make the case for a conceptual distinction between these groups within one national setting, we employ author-assembled historical district data, survey, and archival materials for pre-Revolutionary Russia and its feudal estates. Our analysis reveals that the bourgeois estate ofmeshchanecovaries with post-communist democratic competitiveness and media freedoms, our proxies of regional democratic variations. We propose two causal pathways explaining the puzzling persistence of social structure despite the Bolsheviks’ leveling ideology and post-communist autocratic consolidation: (a) processes at the juncture of familial channels of human capital transmission and the revolutionaries’ modernization drive and (b) entrepreneurial value transmission outside of state policy. Our findings help refine recent work on political regime orientations of public-sector-dependent societies subjected to authoritarian modernization.
PICTURING PARLIAMENT: THE GREAT SEAL OF THE COMMONWEALTH AND THE HOUSE OF COMMONS
Authors: Cooper John P D , Jago James
Published: April 2021

Presenting research conducted by the ‘St Stephen’s Chapel, Westminster’ project at the University of York, this article focuses on the Great Seal devised in 1649 and re-issued in 1651 to enable the Commonwealth to function following the execution of Charles i. As a familiar and ancient image of monarchy, the Great Seal posed an obvious challenge to the authority of the Rump Parliament. A radical new design, authorised by parliamentary committee and executed by engraver Thomas Simon, replaced royal iconography with images of popular sovereignty and nationhood: a map of England and Ireland on the obverse of the Seal, and the interior of the House of Commons chamber (formerly St Stephen’s Chapel) on the reverse. The result was a striking evocation of political authority located in the House of Commons and deriving from the English people. Engravings of the Commons chamber, in circulation since the 1620s, are identified as a probable source for Simon’s work. The Great Seal also re-asserted England’s dominion over Ireland and the waters surrounding the British Isles. Overall, this article argues for continuity as well as alteration in the iconography of the Great Seal of England, at a time of revolutionary political change.
The first Early Ordovician graptolites and marine incursions in eastern Alborz, Iran
Authors: Rushton Adrian W. A. , Ghobadi Pour Mansoureh , Popov Leonid E. , Jahangir Hadi , Amini Arash
Published: April 2021

Graptolites have been collected from sections through Lower Ordovician strata in northern Iran. At the Saluk Mountains, in the Kopet–Dagh region, mudrocks yielded fragmentary tubaria ofRhabdinoporasp. cf.R. flabelliformis, indicating the presence of lower Tremadocian strata there; stratigraphically, they lie between two limestone beds with the euconodontCordylodus lindstromi. At Simeh–Kuh in the eastern Alborz Mountains (Semnan Province), upper Tremadocian – lower Floian strata include laminated dark mudstones that contain restricted graptolite faunas, mainly of small declined didymograptids; these are thought to represent incursions of plankton during periods of marine highstands. The lower major flooding surface in Simeh–Kuh coincides with an invasion of the graptolite biofacies and an incursion ofHunnegraptus? sp.; the second major flooding surface is associated with an incursion ofBaltograptus geometricus. They were most probably synchronous with those in the lower part of theHunnegraptus copiosusBiozone and at the base of theCymatograptus protobalticusBiozone in the of the Tøyen Shale Formation succession of Västergötland, Scandinavia, suggesting that observed characters of sedimentation were eustatically controlled.
Mass Observation, Apathy, and Electoral Politics in England, 1937–1950
Authors: Thackeray David
Published: April 2021

While various historians use Mass Observation sources to study popular engagement with politics in the 1940s, they tend to rely on file reports summarizing research or the writings of the national panel, which paid limited attention to how the public engaged with key aspects of electioneering. By contrast, we re-examine Mass Observation's various election surveys to explore people's assumptions about how election campaigns should be conducted, the qualities looked for in political parties, and their reflections on the records of governments. Our conclusions shed light on the transformation of British public politics after 1918. During the interwar years it became common thinking to assume that parties would centre their campaigning around a detailed programme for government. Whereas Mass Observation's employees often claimed that much of the public was apathetic about politics, a reanalysis of the survey results indicates that many people were eager to be seen to be able to offer a considered assessment of the veracity of the competing parties’ promises. Mass Observation's election studies were criticized for their supposed amateurism. However, they offer richer insights into how the public engaged with party programmes than the quantitative surveys that came to dominate election studies in the 1950s and beyond.
Usurpers of Technology: Train Robbery and Theft in Egypt, 1876–1904
Authors: Li Xiaoyue
Published: April 2021

This article examines banditry, embezzlement, and other insider crimes along Egyptian railway lines during a period when British officials exerted centralized control over the Egyptian railway and financial austerity had a negative impact on the rail sector. By exploring the motives and tactics of railway crimes, I posit that criminals, by making claims on and use of the technology outside the purview of state regulations, expressed their heterogeneous desires to redistribute social wealth, repurpose the technological promise of modern railways, and confound intentions of colonial governance. Using new archival materials, this article utilizes a bottom-up approach to examine grassroots activism, everyday knowledge, informal networks, and the social mores and norms that criminals harnessed to discern infrastructural vulnerabilities and elude surveillance from the colonial state. Ultimately, I contend that criminal acts uncovered social crises otherwise hidden under the shadow of the exterior prosperity and stability of late 19th-century Egypt.
Conflict, Cooperation, and Delegated Diplomacy
Authors: Malis Matt
Published: April 2021

Does diplomacy affect the prospects of international conflict and cooperation? Systematic empirical assessment has been hindered by the inferential challenges of separating diplomacy from the distribution of power and interests that underlies its conduct. This paper addresses the question of diplomacy's efficacy by examining the intragovernmental politics of US foreign policy, and the varying influence of diplomatic personnel in the policy process. I claim that diplomats hold the strongest preferences for cooperative relations with their host countries, relative to other participants in the foreign policy process. They also exert substantial influence over the formation and implementation of US policies toward their host countries but their influence is intermittently weakened by the short-term shock of an ambassadorial turnover. As a result, when ambassadors are removed from post, diplomacy is more likely to be eschewed for more conflictual means of settling international disagreements, and opportunities for economic exchange are less likely to be realized. I test this theory using newly collected data on US diplomatic representation, for the global sample of countries from 1960 through 2014. To address concerns of diplomatic staffing being endogenous to political interests, I leverage a natural experiment arising from the State Department's three-year ambassadorial rotation system. The turnover of a US ambassador causes a decrease in US exports to the country experiencing the turnover, and heightens the risk of onset of a militarized dispute between that country and the US. These findings point to bureaucratic delegation as an important but overlooked determinant of macro-level international outcomes.
An American Call Is Worth More Than a European Call: The Value of American Exercise When the Market Is Not Perfectly Liquid
Authors: Figlewski Stephen
Published: April 2021

Theory says an American call should never be exercised early, except possibly just before an ex-dividend date. But the best market bid is regularly lower than the intrinsic value for in-the-money short-maturity options. An American option can always be exercised to recover the intrinsic value, whereas selling a European call in the market may return considerably less. The article derives the liquidity value of American exercise in closed form as a function of the bid–ask spread and shows empirically that it is of comparable magnitude to, and often greater than, the theoretical value of American exercise to collect a dividend.
Computational fluid dynamic modelling of maxillary sinus irrigation after maxillary antrostomy and modified endoscopic medial maxillectomy
Authors: Turfe Z , Zhao K , Palmer J N , Craig J R
Published: April 2021

Objective

For recalcitrant chronic maxillary sinusitis, modified endoscopic medial maxillectomy has been shown to be clinically beneficial after failed maxillary antrostomy as endoscopic medial maxillectomy may offer improved topical therapy delivery. This study compared irrigation patterns after maxillary antrostomy versus endoscopic medial maxillectomy, using computational fluid dynamic modelling.

Case report

A 54-year-old female with left chronic maxillary sinusitis underwent maxillary antrostomy, followed by endoscopic medial maxillectomy. Computational fluid dynamic models were created after each surgery and used to simulate irrigations.

Results

After maxillary antrostomy, irrigation penetrated the maxillary sinus at 0.5 seconds, initially contacting the posterior wall. The maxillary sinus was half-filled at 2 seconds, and completely filled at 4 seconds. After endoscopic medial maxillectomy, irrigation penetrated the maxillary sinus at 0.5 seconds and immediately contacted all maxillary sinus walls. The maxillary sinus was completely filled by 2 seconds.

Conclusion

Computational fluid dynamic modelling demonstrated that endoscopic medial maxillectomy allowed faster, more forceful irrigation to all maxillary sinus walls compared with maxillary antrostomy.
Using local knowledge and camera traps to investigate occurrence and habitat preference of an Endangered primate: the endemic dryas monkey in the Democratic Republic of the Congo
Authors: Alempijevic Daniel , Hart John A. , Hart Terese B. , Detwiler Kate M.
Published: April 2021

The Endangered dryas monkey Cercopithecus dryas, endemic to the Democratic Republic of the Congo, is one of Africa's most enigmatic primates. The discovery of a dryas monkey killed by a hunter in the buffer zone of Lomami National Park in 2014 prompted field research on the species’ distribution, habitat use and stratum preference. We used local knowledge to determine the distribution of this species and to select sites for camera-trap surveys in Lomami National Park and its buffer zone. We employed a multi-strata (0–29 m) camera-trap placement technique to determine habitat use at Camp Bartho in Lomami National Park and Bafundo Forest in the Park's buffer zone. We confirmed the occurrence of the dryas monkey at seven locations over a total area of 3,453 km2, in both the Park and its buffer zone. Dryas monkeys were detected most frequently (2.22 events/100 trap-days) in disturbed areas of Bafundo Forest and less in mature forest in Camp Bartho (0.82 events/100 trap-days). Dryas monkeys appear to prefer structurally complex understories and forest edges. We found that camera traps at 2–10 m above ground over at least 365 trap-days are required to determine if the species is present. We recommend utilizing local knowledge and using this species-specific camera-trap method in other areas of the central Congo basin to determine the wider distribution of the dryas monkey.
Efficacy of dialectical behavior therapy for adolescent self-harm and suicidal ideation: a systematic review and meta-analysis
Authors: Kothgassner Oswald D. , Goreis Andreas , Robinson Kealagh , Huscsava Mercedes M. , Schmahl Christian , Plener Paul L.
Published: April 2021

Background

Given the widespread nature and clinical consequences of self-harm and suicidal ideation among adolescents, establishing the efficacy of developmentally appropriate treatments that reduce both self-harm and suicidal ideation in the context of broader adolescent psychopathology is critical.

Methods

We conducted a systematic review and meta-analysis of the Dialectical Behaviour Therapy for Adolescents (DBT-A) literature on treating self-injury in adolescents (12–19 years). We searched for eligible trials and treatment evaluations published prior to July 2020 in MEDLINE/PubMed, Scopus, Google Scholar, EMBASE, and the Cochrane Library databases for clinical trials. Twenty-one studies were identified [five randomized-controlled trials (RCTs), three controlled clinical trials (CCTs), and 13 pre-post evaluations]. We extracted data for predefined primary (self-harm, suicidal ideation) and secondary outcomes (borderline personality symptoms; BPD) and calculated treatment effects for RCTs/CCTs and pre-post evaluations. This meta-analysis was pre-registered with OSF: osf.io/v83e7.

Results

Overall, the studies comprised 1673 adolescents. Compared to control groups, DBT-A showed small to moderate effects for reducing self-harm (g= −0.44; 95% CI −0.81 to −0.07) and suicidal ideation (g= −0.31, 95% CI −0.52 to −0.09). Pre-post evaluations suggested large effects for all outcomes (self-harm:g= −0.98, 95% CI −1.15 to −0.81; suicidal ideation:g= −1.16, 95% CI −1.51 to −0.80; BPD symptoms:g= −0.97, 95% CI −1.31 to −0.63).

Conclusions

DBT-A appears to be a valuable treatment in reducing both adolescent self-harm and suicidal ideation. However, evidence that DBT-A reduces BPD symptoms was only found in pre-post evaluations.
Understanding older adults’ use of social technology and the factors influencing use
Authors: Wilson Gemma , Gates Jessica R. , Vijaykumar Santosh , Morgan Deborah J.
Published: April 2021

Having access and skills to use social technology,i.e.social internet use, social media and social applications, are considered as being vital to online social connection. Whilst evidence exists around facilitators and barriers to general technology use, evidence is limited with regards to the motivators, skills and tangible offline benefits older technology users experience with social technology. Therefore, this study used a qualitative, exploratory method to understand older adults’ experiences of using social technology to connect with others. Semi-structured interviews were conducted with 20 older adults (65+ years) across England, Scotland and Wales. Despite having access to social technology for social connection, and using this technology regularly, multiple barriers impacted motivators and skills for use, namely perceived self-efficacy and fear, the culture of online communication, absence of social capital and physical functioning. Some of these barriers of social technology use are reminiscent of barriers of wider technology use and emphasise the importance of addressing these barriers for digital exclusion, as well as social connection. However, some of these barriers were specific to social technology use and should be considered when providing guidance or interventions to increase older adults’ online social connection. Social connection was a clear tangible outcome to social technology use, and individuals discussed the benefits of using social technology, particularly visual communication tools, for online connection.
Claudia Jones, International Thinker
Authors: Dunstan Sarah , Owens Patricia
Published: April 2021

This article analyses the early international thought of Trinidad-born Marxist journalist Claudia Jones. We focus on a neglected aspect of Jones's intellectual production in the United States: her interrogation of geopolitics in her Weekly Review articles in the early 1940s. We situate Jones in relation to the contemporary popularization of geopolitical thought in this period, reading her alongside another neglected figure in histories of international thought, the African American geopolitical scholar and diplomatic historian Merze Tate. Jones read together the geopolitical, class, racialized, and anticolonial implications of the expanding Nazi empire, positioning her at the forefront of Marxist theoretical innovation in this period. Moving beyond studies of canonical texts and white male thinkers in international intellectual history, we build on black women's intellectual history to center a black working-class woman's popular theorizing of international relations.
“The President's Prerogative”? The Cabinet Appointment Process in Ghana and the Implications for Gender Parity
Authors: Bauer Gretchen , Darkwah Akosua K.
Published: April 2021

This article seeks to understand why Ghana, unlike several other African countries, has seen relatively few women appointed as ministers to the cabinet since the transition to democracy. We draw on Annesley, Beckwith, and Franceschet's 2019 bookCabinets,Ministers and Gender, which provides an in-depth analysis of the cabinet appointment process in seven democracies (but no African cases) and demonstrates that the cabinet appointment process is gendered—that is, men and women have different (and unequal) opportunities to be appointed as cabinet ministers. This article covers Ghana's Fourth Republic, during which women's presence in cabinets has increased slowly but steadily. We rely on media reports from five recent presidential administrations and semistructured, in-depth interviews with selected informants, as well as other primary and secondary sources. We find that while Ghana has a fairly empowered president who could appoint a gender parity cabinet, the formal and informal rules governing the selection of cabinet ministers—for example, those related to regional balance and “minister MPs”—work against more women in the cabinet.
Evolution of imidazolinone-resistant weedy rice in Malaysia: the current status
Authors: Ruzmi Rabiatuladawiyah , Ahmad-Hamdani Muhammad Saiful , Abidin Mohamad Zuhair Zainal , Roma-Burgos Nilda
Published: April 2021

Weedy rice (Oryza sativa f. spontanea or O. sativa complex) has become a severe threat to Malaysian rice (Oryza sativa L.) granaries after the direct-seeding method of rice cultivation was introduced in the late 1980s. Since then, researchers have studied the biology and ecology of weedy rice and espoused the evolutionary theory of the origin of Malaysian weedy rice. This review paper aimed to synthesize the body of knowledge about weedy rice and the evolution of herbicide-resistant (HR) weedy rice in Malaysia. The imidazolinone (IMI) herbicide component of the Clearfield® Production System (CPS) rice package is among the most effective tools for weedy rice control. However, dependence solely on this technology and farmers’ ignorance about the appropriate use of IMI herbicides with the CPS rice package have resulted in the evolution of IMI-resistant (IMI-R) weedy rice. This has reduced the efficacy of IMI herbicides on weedy rice, ultimately nullifying the benefit of CPS rice in affected fields. At present, it is assumed that IMI-R weedy rice populations are widely distributed across the rice granaries in Malaysia. Therefore, it is important that integrated management measures be adopted comprehensively by Malaysian rice growers to curb the spread of IMI-R weedy rice problem in Malaysia, especially in fields planted with CPS rice. This review focuses on the biology of Malaysian weedy rice, the history of the establishment of weedy rice in Malaysian rice fields, the impact of HR rice technology on the evolution of IMI-R weedy rice in Malaysia, the distribution of resistant weedy rice populations across Peninsular Malaysia rice granaries, the weedy rice resistance mechanisms, and weedy rice management. The synthesis of all this information is helpful to researchers, policy makers, the private agricultural industry, advisers to farmers, and proactive farmers themselves with the goal of working toward sustainable rice production.