bluuebunny/crossref_metadata_2025_split huggingface dataset:
Fake News: Understanding Media and Misinformation in the Digital Age, Melissa Zimdars and Kembrew McLeod (eds) (2020)
Authors: Hylkema Nico 
Published: June 2021

Review of: Fake News: Understanding Media and Misinformation in the Digital Age, Melissa Zimdars and Kembrew McLeod (eds) (2020)
New York: PublicAffairs, 416 pp.,
ISBN 978-0-26253-836-7, p/bk, $38
Interrelated Attributes of Project Feasibility
Authors: McLeod Sam 
Published: June 2021

Feasibility consists of inter-related questions. Often, organizations place a narrow technical focus on the technical feasibility of a preferred option (Lucae et al. 2014; Samset 2009). Hence, many frameworks, including TELOS, have been developed to encourage more holistic feasibility appraisal (Bause et al. 2014; Burch 1992).
Poorly considered feasibility studies are a significant contributor to project failure, loss of reputation, lost opportunity, excess sunk costs, loss of morale, and litigation (see Sahu 2014).
Central Banks of the Visegrad Group States in the Light of Constitutional Regulations
Authors: Wilmanowicz-Słupczewska Martyna , Serowaniec Maciej , Wantoch-Rekowski Jacek 
Published: June 2021

Abstract
The Visegrad Group is a regional form of cooperation of four Central European states, i.e. Poland, the Czech Republic, Slovakia, and Hungary. The above states have been members of the European Union since 2004. What is more, the Visegrad Group is recognized as an alliance and forum for exchanging experiences and developing common positions on matters of particular importance for the future of the region and the European Union. The constitutional provisions of the Visegrad Group states regarding the legal and constitutional status of a central bank were analysed and compared on the basis of analogies and differences. Importantly, today central banks play a significant role in the socio-economic and political system of a state. In particular, the article contains an innovative approach to the subject by comparing the subject matter from the perspective of constitutional regulations. The considerations are based on both the literature of scientific representatives and constitutional regulations, creating a complete and original presentation of the issue.
Lane-Emden equations perturbed by nonhomogeneous potential in the super critical case
Authors: Ma Yong , Wang Ying , Ledesma César T. 
Published: June 2021

Abstract
Our purpose of this paper is to study positive solutions of Lane-Emden equation

−

Δ

u
=
V

u
p

i
n

R

N

∖
{
0
}

$$\begin{array}{}
-{\it\Delta} u = V u^p\quad {\rm in}\quad \mathbb{R}^N\setminus\{0\}
\end{array}$$

(0.1)

perturbed by a non-homogeneous potential V when

p
∈
[

p
c

,

N
+
2

N
−
2

)
,

$\begin{array}{}
p\in [p_c, \frac{N+2}{N-2}),
\end{array}$

where pc
is the Joseph-Ludgren exponent. When

p
∈
(

N

N
−
2

,

p
c

)
,

$\begin{array}{}
p\in (\frac{N}{N-2}, p_c),
\end{array}$

the fast decaying solution could be approached by super and sub solutions, which are constructed by the stability of the k-fast decaying solution wk
of −Δ
u = up
in ℝ
N
∖ {0} by authors in [9]. While the fast decaying solution wk
is unstable for

p
∈
(

p
c

,

N
+
2

N
−
2

)
,

$\begin{array}{}
p\in (p_c, \frac{N+2}{N-2}),
\end{array}$

so these fast decaying solutions seem not able to disturbed like (0.1) by non-homogeneous potential V. A surprising observation that there exists a bounded sub solution of (0.1) from the extremal solution of

−

Δ

u
=

u

N
+
2

N
−
2

$\begin{array}{}
-{\it\Delta} u = u^{\frac{N+2}{N-2}}
\end{array}$

in ℝ
N
and then a sequence of fast decaying solutions and slow decaying solutions could be derived under appropriated restrictions for V.
Blow-up solutions with minimal mass for nonlinear Schrödinger equation with variable potential
Authors: Pan Jingjing , Zhang Jian 
Published: June 2021

Abstract
This paper studies the mass-critical variable coefficient nonlinear Schrödinger equation. We first get the existence of the ground state by solving a minimization problem. Then we prove a compactness result by the variational characterization of the ground state solutions. In addition, we construct the blow-up solutions at the minimal mass threshold and further prove the uniqueness result on the minimal mass blow-up solutions which are pseudo-conformal transformation of the ground states.
Pediatric reference interval verification for endocrine and fertility hormone assays on the Abbott Alinity system
Authors: Bohn Mary Kathryn , Wilson Siobhan , Hall Alexandra , Adeli Khosrow 
Published: June 2021

Abstract

Objectives
The Canadian Laboratory Initiative on Pediatric Reference Intervals (CALIPER) has developed an extensive database of reference intervals (RIs) for several biomarkers on various analytical systems. In this study, pediatric RIs were verified for key immunoassays on the Abbott Alinity system based on the analysis of healthy children samples and comparison to comprehensive RIs previously established for Abbott ARCHITECT assays.

Methods
Analytical performance of Alinity immunoassays was first assessed. Subsequently, 100 serum samples from healthy children recruited with informed consent were analyzed for 16 Alinity immunoassays. The percentage of test results falling within published CALIPER ARCHITECT reference and confidence limits was determined. If ≥ 90% of test results fell within the confidence limits, they were considered verified based on CLSI guidelines. If <90% of test results fell within the confidence limits, additional samples were analyzed and new Alinity RIs were established.

Results
Of the 16 immunoassays assessed, 13 met the criteria for verification with test results from ≥ 90% of healthy serum samples falling within the published ARCHITECT confidence limits. New CALIPER RIs were established for free thyroxine and prolactin on the Alinity system. Estradiol required special considerations in early life.

Conclusions
Our data demonstrate excellent concordance between ARCHITECT and Alinity immunoassays, as well as the robustness of previously established CALIPER RIs for most immunoassays, eliminating the need for de novo RI studies for most parameters. Availability of pediatric RIs for immunoassays on the Alinity system will assist clinical laboratories using this new platform and contribute to improved clinical decision-making.
A preliminary systematic review and meta-analysis on the effects of heart rate variability biofeedback on heart rate variability and respiration of athletes
Authors: Pagaduan Jeffrey Cayaban , Chen Yung-Sheng , Fell James William , Xuan Wu Sam Shi 
Published: June 2021

Abstract
To date, there is no quantitative review examining the influence of heart rate variability biofeedback (HRV BFB) on the athlete population. Such an undertaking may provide valuable information on the autonomic and respiration responses of athletes when performing HRV BFB. Thus, purpose of this preliminary systematic review and meta-analysis on the effects of HRV BFB on HRV and respiration of athletes. Searches of Springerlink, SportDiscus, Web of Science, PROQUEST Academic Research Library, Google Scholar, and ScienceDirect were conducted for studies that met the following criteria: (1) experimental studies involving athletes that underwent randomized control trial; (2) availability of HRV BFB as a treatment compared with a control (CON)/placebo (PLA); (3) any pre and post HRV variable and/or breathing frequency as dependent variable/s; and, (4) peer-reviewed articles written in English. Four out of 660 studies involving 115 athletes (25 females and 90 males) ages 16–30 years old were assessed in this review. Preliminary findings suggest the promising ability of HRV BFB to improve respiratory mechanics in athlete population. More work is needed to determine the autonomic modulatory effect of HRV BFB in athletes.
On the structure of some locally nilpotent groups without contranormal subgroups
Authors: Kurdachenko Leonid A. , Longobardi Patrizia , Maj Mercede 
Published: June 2021

Abstract
Following J. S. Rose, a subgroup 𝐻 of a group 𝐺 is said to be contranormal in 𝐺 if

G
=

H
G

G=H^{G}

.
It is well known that a finite group is nilpotent if and only if it has no proper contranormal subgroups.
We study nilpotent-by-Černikov groups with no proper contranormal subgroups.
Furthermore, we study the structure of groups with a finite proper contranormal subgroup.
Covid-19 and pregnancy: the experience of a tertiary maternity hospital
Authors: Antsaklis Panagiotis , Tasias Konstantinos , Psarris Alexandros , Theodora Marianna , Daskalakis George , Rodolakis Alexandros 
Published: June 2021

Abstract

Objectives
The aim of our study is to present the effect of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in pregnancy and evaluate its impact on maternal and neonatal outcomes.

Methods
We retrospectively reviewed the medical records of all COVID-19 positive pregnant women who were admitted to “Alexandra” maternity hospital from March to December 2020 (n=40). The infection status was determined via real-time polymerase chain reaction (RT-PCR) of nasopharyngeal swab specimen. We documented the demographic features, clinical status, pregnancy characteristics and maternal and fetal outcomes.

Results
Forty COVID-19 positive pregnant women were admitted to our clinic during the study period. Mean maternal age was 27.6 years. Gestational age (GA) ranged from 10–42 weeks of pregnancy with mean GA calculated at 38+3 weeks. Associated comorbidities included hypertension, hypothyroidism, epilepsy, hepatitis B and asthma. Thirty-five out of 40 women delivered within the study period. Cesarean section was performed in 57.1% of the cases. Most of the cases (87.5%) were asymptomatic while ventilation was required for only one patient. All neonates tested negative for SARS-CoV-2. Neither maternal nor neonatal deaths occurred.

Conclusions
In alignment to other studies, our data show that the course of coronavirus disease 2019 (COVID-19) during pregnancy in the majority of cases is mild and neonatal outcomes also appear favorable.
The sound of gender – correlations of name phonology and gender across languages
Authors: Ackermann Tanja , Zimmer Christian 
Published: June 2021

Abstract
Our article is dedicated to the relation of a given name’s phonological structure and the gender of the referent. Phonology has been shown to play an important role with regard to gender marking on a name in some (Germanic) languages. For example, studies on English and on German have shown in detail that female and male names have significantly different phonological structures. However, little is known whether these phonological patterns are valid beyond (closely related) individual languages. This study, therefore, sets out to assess the relation of gender and the phonological structures of names across different languages/cultures. In order to do so, we analyzed a sample of popular given names from 13 countries. Our results indicate that there are both language/culture-overarching similarities between names used for people of the same gender and language/culture-specific correlations. Finally, our results are interpreted against the backdrop of conventional and synesthetic sound symbolism.
Dioxazine pigments
Authors: Christie Robert , Abel Adrian 
Published: June 2021

AbstractThis chapter provides an overview of the structural and synthetic chemistry, and the industrial applications, of dioxazine pigments, a small group of high performance organic pigments. The color violet (or purple) has frequently assumed a prominent position in history, on account of its rarity and cost. The natural colorant Tyrian purple and the first synthetic textile dye, Mauveine, are prime examples of this unique historical feature. CI Pigment Violet 23, also referred to as Dioxazine Violet or Carbazole Violet, is one of the most universally used organic pigments, by far the most important industrial pigment in the violet shade area. Dioxazine Violet is also unique as the dominant industrial violet pigment providing a brilliant, intense violet color and an excellent all-round set of fastness properties. The pigment has a polycyclic molecular structure, originally described wrongly as a linear arrangement, and later shown to adopt an S-shaped arrangement on the basis of X-ray structural analysis. Two other dioxazine pigments are of rather lesser importance. The synthesis and manufacturing route to CI Pigment Violet 23 is described in the review. Finally, a survey of the principal current applications of the individual dioxazine pigments is presented.
Phthalocyanine green pigments
Authors: Christie Robert , Abel Adrian 
Published: June 2021

AbstractThe dominant organic green pigments are polyhalogenated copper phthalocyanines (CuPcs). These pigments exhibit similar excellent coloristic and technical performance to CuPc blue pigments and are produced worldwide in large quantities. The green pigments are halogenated CuPcs. There are two pigments with CI designations. CI Pigment Green 7 is a bluish green product, in which the 16 ring hydrogen atoms of the CuPc molecule are replaced virtually completely by chlorine. Products designated as CI Pigment Green 36 incorporate a range of bromo- and bromochlorocopper phthalocyanines and are yellowish-green pigments. CuPc green pigments are manufactured by direct exhaustive halogenation of crude CuPc blue with chlorine or bromine or an appropriate mixture of the two halogens, depending on the composition of the product required. The synthesis is carried out at elevated temperatures in a suitable solvent, commonly a molten AlCl3/NaCl eutectic mixture.
Covid-19: A Trade-off between Political Economy and Ethics
Authors: Schneider Henrique 
Published: June 2021

Abstract
This paper investigates the trade-off between economics and ethics applying them to “lockdowns” as a policy measure to counter the Covid-19-pandemic. This is an academic research on the nature and mechanism of trade-offs in so far as they apply to decision making. In the course of the line of inquiry pursued here, several different ways of trading off are assessed. In applying them to the pandemics, each yield a different answer to the adequacy of lockdowns as measures against the pandemic. The economic trade-off found “optimalcy” conditions, the utilitarian-ethical trade-off failed to do so revealing that there is a problem using “scientific evidence” as basis for such a trade-off. The value-ethical trade-off found out that lockdowns do not pass the test of proportionality within the usual constitutional framework.
Glucokinase activating mutation causing hypoglycaemia diagnosed late in adult who fasts for Ramadhan
Authors: Loh Wann Jia , Dacay Lily Mae , Tan Clara Si Hua , Ang Su Fen , Yap Fabian , Lim Su Chi , Khoo Joan 
Published: June 2021

Summary
Activating mutation of glucokinase gene (GCK) causes resetting of insulin inhibition at a lower glucose threshold causing hyperinsulinaemic hypoglycaemia (GCK-HH). This is the first reported case who tolerated years of regular fasting during Ramadhan, presenting only with seizure and syncope now. We describe a case with GCK gene variant p.T65I diagnosed in a 51-year-old woman with hypoglycaemia unawareness even at glucose level of 1.6 mmol/L. Insulin and C-peptide levels during hypoglycaemia were suggestive of hyperinsulinism, but at a day after intravenous glucagon, hypoglycaemia occurred with low insulin and C-peptide levels, pointing against insulinoma as the underlying aetiology. Imaging studies of the pancreas and calcium arterial stimulation venous sampling were unremarkable. A review of old medical records revealed asymptomatic hypoglycaemia years ago. Genetic testing confirmed activating mutation of GCK. Hypoglycaemia was successfully controlled with a somatostatin analogue. This case highlights the importance of consideration of genetic causes of hypoglycaemia in adulthood, especially when imaging is uninformative.

Learning points

Consider genetic causes of endogenous hyperinsulinism hypoglycaemia in adulthood, especially when imaging is uninformative.

Late presentation of activating mutation of GCK can occur because of hypoglycaemia unawareness.

Long-acting somatostatin analogue may be useful for the treatment of activating mutation of GCK causing hypoglycaemia.

Depending on the glucose level when the blood was taken, and the threshold of glucose-stimulated insulin release (GSIR), the serum insulin and C-peptide levels may be raised (hyperinsulinaemic) or low (hypoinsulinaemic) in patients with activating mutation of GCK.

Glucagon may be useful to hasten the process of unmasking the low insulin level during hypoglycaemia below the GSIR level of which insulin released is suppressed.
Biopolítica y gubernamentalidad en el Wallmapu (Araucanía) desde el nivel del sujeto. Manuel Manquilef y la “Jimnasia Nacional” en los albores del siglo XX
Authors: Mieres-Chacaltana Manuel , Llancavil-Llancavil Daniel , Mansilla-Sepúlveda Juan 
Published: June 2021

En el presente artículo se indaga sobre la perspectiva desarrollada por Manuel Manquilef, a principios del siglo XX, respecto de los juegos, bailes y ejercicios domésticos y guerreros que practicaban los mapuches. Este profesor normalista de ascendencia mapuche valorizó el rescate de dichas prácticas físicas, en cuanto fundamentos del alma de un pueblo que era necesario preservar. El marco teórico se establece desde las nociones de verdad, sujeto, gubernamentalidad y biopolítica, definidas por Michel Foucault, articulado con una aproximación desde el Análisis de Redes Sociales (ARS). Consecuentemente, la metodología articula un diseño descriptivo denso con estructuras reticulares de carácter egocentrado, generadas con herramientas provenientes del ARS. A partir de este entramado teórico-metodológico, se levanta un análisis frontal que intenta tensionar la relación entre discurso y sujeto. Específicamente, los márgenes disponibles de libertad en la intrincada trama de saber-poder desplegada en la sociedad chilena a principios del siglo XX. Trama en la que se insertó Manquilef oriundo del territorio del Wallmapu (Araucanía), por entonces, recientemente anexado al Estado chileno. Se concluye que las ideas de Manquilef, al margen de sus intenciones, resultaron funcionales a la acción asimiladora impulsada por la gubernamentalidad chilena en la Araucanía poco después de concretada su ocupación.
Hydrolytic stability of polyetherimide investigated in ultrathin films
Authors: Machatschek Rainhard , Heuchel Matthias , Lendlein Andreas 
Published: June 2021

AbstractIncreasing the surface hydrophilicity of polyetherimide (PEI) through partial hydrolysis of the imide groups while maintaining the length of the main-chain was explored for adjusting its function in biomedical and membrane applications. The outcome of the polymer analogous reaction, i.e., the degree of ring opening and chain cleavage, is difficult to address in bulk and microstructured systems, as these changes only occur at the interface. Here, the reaction was studied at the air–water interface using the Langmuir technique, assisted by atomic force microscopy and vibrational spectroscopy. Slow PEI hydrolysis sets in at pH > 12. At pH = 14, the ring opening is nearly instantaneous. Reduction of the layer viscosity with time at pH = 14 suggested moderate chain cleavage. No hydrolysis was observed at pH = 1. Hydrolyzed PEI films had a much more cohesive structure, suggesting that the nanoporous morphology of PEI can be tuned via hydrolysis.
Graphic abstract
PREVENTIVE ANTI-CRISIS MANAGEMENT: DEFINITION, FEATURES, TASKS AND TOOLS
Authors: Sudareva A. A. , Volkov L. V. 
Published: June 2021

The current scientific article examines preventive anti-crisis management. In a modern economy, a company must anticipate possible crisis situations and do everything possible to prevent them, therefore this type of crisis management is very important. The article examines the various approaches of the research authors to the definition of preventive anti-crisis management, highlights its features and main tasks, and lists the tools that are used in this kind of management.
Late Holocene Slip Rate of the Mojave Section of the San Andreas Fault near Palmdale, California
Authors: Young Elaine K. , Cowgill Eric , Scharer Katherine M. , Anderson-Merritt Emery O. , Keen-Zebert Amanda , Weldon Ray J. 
Published: June 2021

ABSTRACT
The geologic slip rate on the Mojave section of the San Andreas fault is poorly constrained, despite its importance for understanding earthquake hazard, apparent discrepancies between geologic and geodetic slip rates along this fault section, and long-term fault interactions in southern California. Here, we use surficial geologic mapping, excavations, and radiocarbon and luminescence dating to quantify the displacements and ages of late Holocene landforms offset by the fault at three sites. At the Ranch Center site, the slip rate is determined using the base of a fan marking incision and deflection of an ephemeral channel. At the adjacent Key Slide site, the margin of a landslide deposited on indigenous fire hearths provides a minimum rate. At the X-12 site, the slip rate is determined from a channel that incised into a broad fan surface, and is deflected and beheaded by the fault. We use maximum–minimum bounds on both the displacement and age of each offset feature to calculate slip rate for each site independently. Overlap of the three independent rate ranges yields a rate of 33–39 mm/yr over the last 3 ka, under the assumption that the sites share a common history, given their proximity. Considered in sequence, site-level epistemic uncertainties in the data permit but do not require a rate increase since ∼1200 cal B.P. Modest rate changes can be explained by aleatory variability in earthquake timing and magnitude; larger changes could suggest a shared regional variation with the Garlock and other faults. The new late Holocene slip rates are consistent with geodetic model estimates that include a viscoelastic crust and earthquake cycle effects. The geologic slip rates also provide average slip over dozens of earthquake cycles—a key constraint for long-term earthquake rupture forecasts.
Testing Nonlinear Amplification Factors of Ground-Motion Models
Authors: Loviknes Karina , Kotha Sreeram Reddy , Cotton Fabrice , Schorlemmer Danijel 
Published: June 2021

ABSTRACT
We explore nonlinear site effects in the new Japanese ground-motion dataset compiled by Bahrampouri et al. (2020). Following the approach of Seyhan and Stewart (2014), we evaluate the decrease of soil amplification according to the increasing and corresponding ground motion on surface rock (VS30=760  m/s). To better predict the rock ground motion associated with each record, we take into account the between-event variability of the ground motion, and to better evaluate the impact of nonlinearity, we correct observed ground motion on soil by the site-specific linear amplification. Instead of grouping the stations by site-response proxy, we focus on individual stations with several strong-motion records. We develop a framework to test recently published nonlinear site amplification models against a linear site amplification model and compare the results with recent building codes that include nonlinearity. The results show that the site response varies greatly from site to site, indicating that conventional site proxies, such as VS30, are not sufficient to characterize nonlinear site response. Out of all of the Kiban–Kyoshin network stations, 20 stations are selected as having recorded sufficient data to be used in the test. Out of these 20 stations, five stations show signs of nonlinearity, that is, the nonlinear models performed better than the linear-amplification model for all periods T. For most sites, however, the linear site amplification models get the best score. This suggest that, for the range of predicted rock motion considered in this study (peak ground acceleration &lt;0.2g), nonlinearity may not have a sufficiently large impact on soil ground motion to justify the use of nonlinear site terms in ground-motion functional forms and seismic building codes for such moderate-level shaking.