bluuebunny/crossref_metadata_2025 huggingface dataset:
The Use of New Media in a Virtual Website Exhibition A Mild "A Space"
Authors: Renzina Yudha Delonix
Published: May 2023

The Covid-19 pandemic that hit various countries has limited the public's space movement in the community. The emergence of new rules in the new normal era makes difficult for artists to perform any art performances. A MILD as one of the biggest drivers of the economy in Indonesia held a virtual exhibition called "A space" through the power of the internet network. The appearance of this new media will facilitate the artists to be able to work again and help the public to continue enjoy the art in the pandemic era. The research method that used is descriptive exploratory analysis to examine the phenomena that are happening descriptively. The purpose of this research is to provide a discourse or view to the public as a new perspective in viewing an exhibition or work of art.
ELECTRON WITHDRAWING GROUP EFFECT ON BIOLOGICAL ACTIVITIES OF PYRIMIDINE HYBRIDS AS POTENTIAL ANTI-MATRIX METALLOPROTEINASE-7
Authors: Oyebamiji Abel , Akintelu Sunday , Odelade Kehinde , Adetuyi Babatunde , Akintayo Emmanuel , Akintayo Cecillia , Semire Banjo , Babalola Jonathan
Published: May 2023

We investigated the effect of both electron donating group and e//lectron withdrawing group on biological activity of pyrimidine-based compounds as metalloproteinase-7 inhibitors and predicting a library of drug-like compounds with potent cytotoxicity using in silico approach. The selected compounds were optimized and subjected to both docking as well as absorption, distribution, metabolism, excretion and toxicity (ADMET) analyzes. We observed that the addition of electron withdrawing group (–CF3) to the predicted pyrimidine-based compound induced a radical improvement in the hydrogen bond strength with Leu181 and Ala182 in matrix metalloproteinase-7. Also, communal orientation of 2-mercapto-4-(3-(trifluoromethyl)phenyl)-6-((4-(trifluoromethyl)phenyl)amino) pyrimidine-5-carbonitrile (PC10) and matrix metalloproteinase-7 showed improved binding tendency with calculated binding affinity value of −10.2 kcal mol-1 than other studied compounds. Our findings may open door for the design and development of library of efficient pyrimidine-based drug-like compounds as potential anti-cancer agents.
Performance evaluation and ranking of CMIP6 global climate models over Vietnam
Authors: Nguyen-Duy Tung , Ngo-Duc Thanh , Desmet Quentin
Published: May 2023

This study comprehensively assesses the performance of 29 Coupled Model Intercomparison Project Phase 6 (CMIP6) Global Climate Models (GCMs) and their ensemble mean (ENS_MEAN) over Vietnam. The spatiotemporal variability of near-surface temperature and precipitation is thoroughly evaluated for the 30-year historical period of 1985–2014. Results show that the models can reasonably reproduce the observational annual cycles and spatial distribution of temperature and precipitation, though their performances vary across the seven climatic sub-regions of Vietnam. Due to their coarse resolutions, the models produce warm biases over certain highland and mountainous areas, and many of them cannot reproduce the rainy season shift from summer in most sub-regions toward the end of the year in Central Vietnam. Finally, these results are summarized, and a performance score is assigned to each model, inferring a ranking. The top three models are EC-Earth3-Veg, EC-Earth3, and HadGEM3-GC31-MM. Although created by simply averaging all the models, ENS_MEAN can compete with the best GCMs and ranks 4th overall. In the same model family, the higher-resolution experiment exhibits a higher ranking than the lower-resolution one. The results of this study can provide a reference for the choice of appropriate CMIP6 GCMs in the upcoming downscaling activities in Vietnam.
Investigating the effect of spatiotemporal, wind speed and wind direction on precipitation magnitudes within an urban area
Authors: Algretawee Hayder , Rayburg Scott , Neave Melissa
Published: May 2023

Some documented precipitation changes are associated with the hydrological cycle, including changes in the magnitude of precipitation. Studying the effect of spatial, temporal, wind speed and wind direction on precipitation magnitude at specified points within Melbourne city – Australia could reveal how they affect precipitation magnitudes. To achieve this aim, a long rainy day was adopted to record the measurements at different places and times throughout the day and night. The study method involved measuring wind speed and direction at every measuring point by using a hand-held device, while precipitation values were recorded using the nearest ground weather station. The study revealed precipitation magnitudes at night were higher than during daylight hours. On the other hand, fast winds increase precipitation magnitude, and wind direction has an effect on precipitation either increasing or decreasing depending on upwind and leeward sides, respectively. Respective to temporal parameters, precipitation magnitudes at night showed the highest. Wind speed directly affects precipitation values but the direction has a moderate effect on precipitation. Generally, spatiotemporal, wind speed and direction have a distinct effect on precipitation with a small time scale.
Huge Primary Clear Cell Hepatocellular Carcinoma: A Case Report and
Review of Radiologic Findings
Authors: Jeon Junhyeon , Park Jinyoung , Lee Eunjoo , Han Jiyeon , Kim Dasom , Kim Donghyun , Park Jungwon , Kwag Minha , Yun Suyoung , Park Hayoung
Published: May 2023

Introduction:

Clear cell hepatocellular carcinoma (HCC) is a rare subtype of HCC. Histologically, clear cell HCC is characterized by the cytoplasmic accumulation of glycogen with a clear cell appearance, constituting > 80% of tumor cells. Radiologically, clear cell HCC demonstrates early enhancement and washout similar to conventional HCC. Occasionally, enhancing capsule and intratumoral fat are accompanied by clear cell HCC.

Case Description::

A 57-year-old male presented to our hospital with right upper quadrant abdominal pain. Ultrasonography, computed tomography, and magnetic resonance imaging revealed a large mass with a well-defined margin in the right hemiliver. The patient underwent a right hemihepatectomy, and the final histopathology revealed clear cell-type HCC.

Conclusion:

Distinguishing clear cell types from other types of HCC solely based on radiological findings is challenging. If hepatic tumors exhibit encapsulated margins, enhancing rims, intratumoral fat, and arterial phase hyperenhancement/washout pattern despite their large size, consideration of clear cell subtypes in the differential diagnosis list will aid patient management, implying better prognosis than not-otherwise-specified HCC.
A Lightweight Super-resolution Network with Skip-connections
Authors: Wu Xuzhou , Dai Pingping , Lu Shi , Luo Zhendong , Sun Jirang , Yuan Kehong
Published: May 2023

Introduction:

In some hospitals in remote areas, due to the lack of MRI scanners with high magnetic field intensity, only low-resolution MRI images can be obtained, hindering doctors from making correct diagnoses. In our study, higher-resolution images were obtained through low-resolution MRI images. Moreover, as our algorithm is a lightweight algorithm with a small number of parameters, it can be carried out in remote areas under the condition of the lack of computing resources. Moreover, our algorithm is of great clinical significance in providing references for doctors' diagnoses and treatment in remote areas.

Methods:

We compared different super-resolution algorithms to obtain high-resolution MRI images, including SRGAN, SPSR, and LESRCNN. A global skip connection was applied to the original network of LESRCNN to use global semantic information to get better performance.

Results:

Experiments reported that our network improved SSMI by 0.8% and also achieved an obvious increase in PSNR, PI, and LPIPS compared to LESRCNN in our dataset. Similar to LESRCNN, our network has a very short running time, a small number of parameters, low time complexity, and low space complexity while ensuring high performance compared to SRGAN and SPSR. Five MRI doctors were invited for a subjective evaluation of our algorithm. All agreed on significant improvements and that our algorithm could be used clinically in remote areas and has great value.

Conclusion:

The experimental results demonstrated the performance of our algorithm in super-resolution MRI image reconstruction. It allows us to obtain high-resolution images in the absence of high-field intensity MRI scanners, which have great clinical significance. The short running time, a small number of parameters, low time complexity, and low space complexity ensure that our network can be used in grassroots hospitals in remote areas that lack computing resources. We can reconstruct high-resolution MRI images in a short time, thus saving time for patients. Our algorithm can be biased towards practical applications; however, doctors have affirmed the clinical value of our algorithm.
Oil-yielding Non-timber Plants Seeds: A Review on their Application for
Health Care Products
Authors: Panta Prasamsha , Khanal Asmita , Shrestha Sabina , Adhikari Rameshwar
Published: May 2023

Oil-yielding non-timber forest products (NTFPs), such as Diploknema butyracea (Roxb.)
H. J. Lam, Saipindus mukurossi Gaertn, and Hippophae salicifolia L. are widely distributed
throughout Nepal and have traditionally been used as medicines by the locals since ancient times.
Extensive scientific studies have demonstrated a wide range of benefits of these plants, which can
have multiple uses in the pharmaceutical, cosmeceutical, and food industries. The potential of the
plants, however, has not been fully explored, and they are, thus, minimally used only by locals.
These plants have the potential for the development of several value-added products, leading to
commercialization. This paper aims to explore in detail the health benefits and economic values of
these plants to review the entrepreneurial aspects, improved farming and processing, and value addition
in the product.
Protective Effect of Temulawak (Curcuma xanthorriza) Rhizome Extract on Monosodium Glutamate-Induced Mice Sperm
Authors: Soewondo Aris , Kartiko Santi Yuyun Indriani , Warih Marhendra Agung Pramana , Rahayu Sri
Published: May 2023

The present study aimed to determine the effect of the aqueous extract of temulawak (Curcuma xanthorriza) rhizome on the sperm quality of monosodium glutamate (MSG)-induced mice. This study used 30 male mice (aged 2.5-3 months old and weighing 25-30 g), which were then randomly divided into 5 groups: K- (healthy male mice received only aquadest), K+ (male mice exposed to 4 mg/kg BW MSG), MT1, MT2 and MT3 (MSG-induced male mice orally treated with 0.2, 0.4 and 0.6 mg/g BW temulawak (C. xanthorriza) rhizome extract for 14 days, respectively). At the end of treatment, all mice were sacrificed, and mice were sacrificed, and cauda epididymis was isolated. The obtained semen was analyzed for its quality, including motility, viability, concentration and abnormalities of spermatozoa. Data were analyzed using one-way ANOVA and followed by the Tukey test using SPSS for Windows. The results showed that MT1, MT2 and MT3 groups could improve sperm motility of MSG-induced mice (72.26±5.69, 79.16±4.45 and 74.06±4.79 %, respectively). The highest sperm viability was found in the MT2 group (77.83±2.75%) followed by MT1 and MT3 groups (70.19±5.93 and 72.41±5.53%, respectively). MT2 and MT3 groups could increase (p<0.05) sperm concentration in MSG-induced mice by 14.03x106 and 14.46x106 cells/ml, respectively. While, sperm abnormalities of MSG-induced mice tend to decrease in MT1, MT2, and MT3 groups by 38.10, 36.32 and 36.04%. In conclusion, the aqueous extract of C. xanthorriza rhizome significantly improved sperm quality by increasing the motility, viability and concentration of sperm and also altered the sperm abnormality of MSG-induced mice.
Spatial Perception and Existential Senses of Being in a Place
Authors: Abdul Kadir Syazwani , Wilastrina Atridia
Published: May 2023

With digital technology becoming a dominant lifestyle nowadays, people tend to indulge too much in the virtual experience of a place without actually being there. This excessive digital consumption gives an unreal sense of spatial experience to today's generation. Therefore, this research aims to explore the pattern of spatial perception and existential senses of being in a place from the interior architecture students' perspective. The study employed a qualitative method of 'non-verbal interview' which was retrieved from the students' spatial experience portfolios. This study highlights the importance of seeing and experiencing a place in-situ to truly understand the architecture.
Высокая чувствительность пленок оксида индия, полученных методом хлоридной газофазной эпитаксии, к аммиаку
Authors: Алмаев Д.А. , Алмаев А.В. , Николаев В.И. , Бутенко П.Н. , Щеглов М.П. , Чикиряка А.В. , Печников А.И.
Published: May 2023

The effect of H2, NH3, CO and O2 on the electrically
conductive properties of In2O3 films grown by halide vapor phase
epitaxy has been studied. In the temperature range of 200−550°C,
In2O3 films demonstrate gas sensitivity to all considered gases,
a relatively high operation speed and repeatability of cycles.
The greatest response to NH3 was obtained, which exceeded
33 arb.units at a temperature of 400°C and a gas concentration
of 1000 ppm. A qualitative mechanism of gas sensitivity of In2O3
films is proposed. The obtained gas-sensitive characteristics are
compared with known NH3 sensors based on various materials.
It is shown that the method of halide vapor phase epitaxy makes
it possible to obtain indium oxide films with high gas sensitivity
Снижение плотности дислокаций в метаморфных гетероструктурах путем оптимизации конструкции буферного слоя с нелинейным профилем изменением состава
Authors: Чернов М.Ю. , Соловьев В.А. , Иванов С.В.
Published: May 2023

Equilibrium distributions of misfit dislocation density along the growth direction of metamorphic buffer layers InxAl1-xAs/GaAs with maximum In content xmax ≥ 0.77 and different non-linear graded composition profiles (x ∝ z1/n) are calculated. The effect of the initial In composition (xmin) of InxAl1-xAs buffer layer with convex-graded (n = 2) composition profile on misfit dislocation density as well as amount of residual stresses at its top part is considered. Using computational approach, it was shown that a dislocation-free region is formed under thin tensile-strained GaAs layer (1–10 nm) inserted into InAlAs metamorphic buffer layer, which agrees with experimental data obtained early by transmission electron microscopy. Novel non-linear graded composition profile of metamorphic buffer layer has been proposed, which results in twice reduction of misfit dislocation density as compared to the convex-graded one. In addition, equilibrium distributions of misfit dislocation density in the HEMT heterostructures with two-dimensional electron channel In0.75Ga0.25As/In0.75Al0.25As, which are based on InxAl1-xAs/GaAs metamorphic buffer layer of various designs, are calculated. The values of inverse steps (∆), representing the difference between the maximum In content of InxAl1-xAs (xmax) and In content of In0.75Al0.25As virtual substrate, at which relaxation of the elastic strains in 2D channel In0.75Ga0.25As/In0.75Al0.25As doesn’t occur, are calculated for metamorphic buffer layers InxAl1-xAs with convex-graded and optimized non-linear graded composition profiles.
Легкие и тяжелые экситоны в напряженных квантовых ямах CdTe/CdZnTe
Authors: Котова Л.В. , Белова Д.Д. , Andre R. , Mariette H. , Кочерешко В.П.
Published: May 2023

The spectra of photoluminescence and
polarized reflection under normal and oblique incidence
of light from structures with quantum wells with
symmetric Cd0.9Zn0.1Te/CdTe/Cd0.9Zn0.1Te and asymmetric
Cd0.9Zn0.1Te/CdTe/Cd0.4Mg0.6Te barriers have been studied. Due
to the mechanical stresses caused by the mismatch of the crystal
lattices of the wells and barriers, the energy of light holes in
quantum wells was higher than in barriers, i. e., the zone structure
for them was of type II. However, in the reflection spectra, the
lines of heavy and light excitons had comparable intensities.
In structures with symmetric barriers, exciton resonances, which
do not appear in the photoluminescence spectra, were found in
the reflection spectra. A detailed calculation of the energy levels
and reflection spectra has been carried out.
Модель быстродействия волноводного фотодиода с квантовыми точками
Authors: Жуков А.Е. , Крыжановская Н.В. , Махов И.С. , Моисеев Е.И. , Надточий А.М. , Фоминых Н.А. , Минтаиров С.А. , Калюжный Н.А. , Зубов Ф.И. , Максимов М.В.
Published: May 2023

A model is proposed that makes it possible to analytically analyze the speed performance of a waveguide p-i-n photodiode with a light-absorbing region representing a multilayered array of quantum dots separated by undoped spacers. It is shown that there is an optimal number of layers of quantum dots, as well as an optimal thickness of the spacers, which provide the widest bandwidth. The possibility of achieving a frequency range (at the level of -3 dB) above 20 GHz for waveguide photodiodes based on InGaAs/GaAs quantum well-dots is shown.
Исследование p-i-n-фотодетектора с поглощающей средой на основе InGaAs/GaAs квантовых яма-точек
Authors: Крыжановская Н.В. , Блохин С.А. , Махов И.С. , Моисеев Э.И. , Надточий А.М. , Фоминых Н.А. , Минтаиров С.А. , Калюжный Н.А. , Гусева Ю.А. , Кулагина М.М. , Зубов Ф.И. , Колодезный Е.С. , Максимов М.В. , Жуков А.Е.
Published: May 2023

The static and dynamic characteristics of waveguide photodetectors with an absorbing region based on InGaAs/GaAs quantum well-dots were studied at room temperature. The absorption band of InGaAs/GaAs quantum well-dots is in the spectral range from 900 to 1100 nm. The waveguide photodetectors have a width of 50 µm and a length of the absorbing region from 92 µm to 400 µm. A low dark current density (1.1 и 22 μA/cm^2 at -1 и -20 V) and cut off frequency of 5.6 GHz, limited by the time constant of a parasitic equivalent electric RC circuit, were obtained.
Catálogo de toros: laboratorio de reproducción animal
Authors:   Corporación colombiana de investigación agropecuaria - AGROSAVIA
Published: May 2023

En este folleto puede encontrar información de distintas variedades de toros, como pruebas de desempeño en pastoreo, valores genéticos y valoración genómica de Romosinuano y Blanco Orejinegro y otras razas.
Minitubérculos de papa: Semilla prebásica obtenida en los sistemas convencional y aeropónico, para la multiplicación de semilla en campo
Authors: Preciado Mongui Ingrid Marcela , Uribe Gaviria Andrés Felipe , Sánchez León Germán David , Lavado Villalobos Luis Alfonso
Published: May 2023

El uso de semilla de óptima calidad, ya sea en fase uno (superélite y élite) o en fase dos (básica, registrada y certificada), contribuye al éxito del cultivo, por el hecho de comenzar con material de calidad y trazabilidad que conserva las características genéticas, fisiológicas, físicas y sanitarias que toda semilla debe cumplir.
Guía para la toma de muestras de leches: análisis de pago por calidad y análisis de control lechero
Authors: Navarrete Fernández Julieth Andrea , Moreno Rodriguez Jenny Milena , Pichimata Sanabria Pedro Alejandro
Published: May 2023

En esta guía se encuentran los pasos para la toma correcta de muestras de leche destinadas a los análisis de pago por calidad y análisis de control lechero.
Effect of substrate composition and drying process on Metarhizium rileyi Nm017’s conidia quality for control of Helicoverpa zea
Authors: Mejía Cindy , Sanabria Johana , Quiroga Ginna , Grijalba Erika , Goméz Martha
Published: May 2023

The drying process is an important step during the production process of biopesticides. Nonetheless, this process causes a stress condition associated to loss of water; resulting a decrease of enzymatic activity, viability, and virulence in case of entomopathogenic fungi. Thus, suitable conditions must be implemented through the entire process to improve desiccation tolerance and keep stable cells. Therefore, the aim of this work was to evaluate several medium compositions in solid-state fermentation (T1, T2, T3, T4, and T5), and determine the e ect on viability, induction of enzymatic activity, and virulence of dried conidia.
Estudio de las fases fenológicas de Cordia alliodora (Ruiz & Pav.) en el valle cálido del Magdalena, Espinal Tolima-Colombia.
Authors: Cervera Diana , Castaño Álvaro , Zuluaga Jhon , Atencio Liliana , Falla Cindy
Published: May 2023

El Nogal cafetero es una especie frecuentemente empleada como componente arbóreo en SAF (sistemas agroforestales), aportando sombrío a cultivos como café y cacao en la zona centro del país; sin embargo, al ser una especie caducifolia, es necesario conocer sus fases fenológicas, ya que la época de defoliación puede incidir en la sombra requerida por el cultivo asociado. Igualmente es importante conocer la época óptima para la cosecha de semillas viables. En estudios realizados en el Centro de Investigación Nataima con semillas obtenidas de árboles semilleros, se determinó que la semilla de Nogal cafetero tiene baja capacidad germinativa y su viabilidad se pierde muy rápido, por lo que fue necesario realizar un estudio fenológico (observacional) para la región, llegando a determinar el tiempo que toma cada fase fenológica, así como su descripción botánica.
Evaluación de la calidad de cuatro fuentes de semilla de arroz de tipo regional (Oryza sativa L.) de la subregión La Mojana colombiana
Authors: Romero Ferrer Jorge Luis , Morales Angulo José Gregorio , Cantero MSc Shirley Pérez , Cadena Torres Jorge
Published: May 2023

El uso de semilla de baja calidad puede afectar el establecimiento de cultivos por fallas en la germinación y perdidas de población; además, una semilla de baja calidad es un medio de diseminación de problemas fitosanitarios, lo que ocasiona pérdidas económicas a los pequeños productores de arroz regional.
Validación de metodologías para la rehabilitación de plantaciones improductivas de cacao.
Authors: Vasquez Bettin Ana Milena , Grandett Liliana María , Novoa Yañez Rafael , Agudelo Genaro Andrés
Published: May 2023

La baja productividad es uno de los problemas que más afecta la sostenibilidad económica de la cacaocultura colombiana. Esto ocurre como consecuencia del envejecimiento de las plantaciones, la alta incidencia de enfermedades, el establecimiento de materiales en campo sin tener en cuenta su compatibilidad, la falta de prácticas agronómicas en los cultivos y el desconocimiento de nuevos materiales promisorios. En el departamento de Sucre existen plantaciones improductivas de cacao que requieren de la implementación de estrategias de rehabilitación o renovación.
Predators of Gonipterus platensis (Marelli, 1926) (Coleoptera: Curculionidae) larvae in Antioquia, Colombia
Authors: Pulgarin Díaz John Alexander , Quiroz Gamboa Jhon Alveiro , Espinel Correal Carlos
Published: May 2023

The eucalyptus snout beetle, Gonipterus spp. are a pest of eucalyptus worldwide (Figure 1). Gonipterus platensis was rst reported in Colombia in 2016, threatening and causing economic losses in more than 60.000 ha of Eucalyptus spp. planted in the country. Classical biological control of these species has been e ective in some countries with Anaphes nitens (Girault) and A. inexpectatus Huber & Prinsloo, 1990 (Hymenoptera: Mymaridae), and complemented with di erent natural enemies (NE) (Nascimento et al. 2017).
Caracterización molecular del germoplasma de arracacha (Arracacia xanthorrhiza Bancr.) en Colombia mediante marcadores SSRs fluorescentes
Authors: Garnica Montaña Johanna Paola , Rodríguez Rodríguez Oscar Jair , Vallejo Cabrera Franco Alirio
Published: May 2023

La arracacha (Arracacia xanthorrhiza Bancr.) es una raíz tuberosa originaria de los Andes, con mayor área de cultivo en Brasil, seguido de Colombia, Ecuador y Venezuela. Esta especie es la única umbelífera domesticada de las Américas y se considera que Colombia, Ecuador y Perú son los centros de diversidad primaria del género y conservación de la especie. Sin embargo, no existe información concreta sobre diversidad genética de A. xanthorrhiza en Colombia. Por lo tanto, abordamos un análisis de diversidad genética a nivel morfológico y molecular de 93 accesiones de arracacha manejadas por el Sistema de Bancos de Germoplasma de la Nación para la Alimentación y la Agricultura (SBGNAA).
Una variedad de arracacha amarilla seleccionada por adaptación y productividad
Authors: Garnica Montaña Johanna Paola , Rodríguez Rodríguez Oscar Jair , Villamil Carvajal Jorge Enrique , Atencio Solano Liliana Margarita
Published: May 2023

En Colombia se siembran alrededor de 10.000 ha de arracacha, un 95% corresponde al genotipo comúnmente denominado amarilla común con rendimientos aproximados de 10 t ha-1(Ministerio de Tecnologías de la Información y las Comunicaciones - MINTIC, 2018). Este genotipo presenta raíces amarillas que son ampliamente demandadas en el mercado nacional y utilizadas para el consumo en fresco y uso culinario. Sin embargo, tiene una gran limitante para el mercado, produce raíces amarillas con pigmentos morados, característica poco apetecida en la comercialización, puesto que incide en la presentación de platos gastronómicos y se vuelve poco atractivo para su consumo.
Assessment of the Dissemination of COVID-19–Related Articles Across Social Media: Altmetrics Study
Authors: Tornberg Haley , Moezinia Carine , Wei Chapman , Bernstein Simone A , Wei Chaplin , Al-Beyati Refka , Quan Theodore , Diemert David J
Published: May 2023

Background

The use of social media assists in the distribution of information about COVID-19 to the general public and health professionals. Alternative-level metrics (ie, Altmetrics) is an alternative method to traditional bibliometrics that assess the extent of dissemination of a scientific article on social media platforms.

Objective

Our study objective was to characterize and compare traditional bibliometrics (citation count) with newer metrics (Altmetric Attention Score [AAS]) of the top 100 Altmetric-scored articles on COVID-19.

Methods

The top 100 articles with the highest AAS were identified using the Altmetric explorer in May 2020. AAS, journal name, and mentions from various social media platforms (Twitter, Facebook, Wikipedia, Reddit, Mendeley, and Dimension) were collected for each article. Citation counts were collected from the Scopus database.

Results

The median AAS and citation count were 4922.50 and 24.00, respectively. TheNew England Journal of Medicine published the most articles (18/100, 18%). Twitter was the most frequently used social media platform with 985,429 of 1,022,975 (96.3%) mentions. Positive correlations were observed between AAS and citation count (r2=0.0973; P=.002).

Conclusions

Our research characterized the top 100 COVID-19–related articles by AAS in the Altmetric database. Altmetrics could complement traditional citation count when assessing the dissemination of an article regarding COVID-19.

International Registered Report Identifier (IRRID)

RR2-10.2196/21408
Combination of Paper and Electronic Trail Making Tests for Automatic Analysis of Cognitive Impairment: Development and Validation Study
Authors: Zhang Wei , Zheng Xiaoran , Tang Zeshen , Wang Haoran , Li Renren , Xie Zengmai , Yan Jiaxin , Zhang Xiaochen , Yu Qing , Wang Fei , Li Yunxia
Published: May 2023

Background

Computer-aided detection, used in the screening and diagnosing of cognitive impairment, provides an objective, valid, and convenient assessment. Particularly, digital sensor technology is a promising detection method.

Objective

This study aimed to develop and validate a novel Trail Making Test (TMT) using a combination of paper and electronic devices.

Methods

This study included community-dwelling older adult individuals (n=297), who were classified into (1) cognitively healthy controls (HC; n=100 participants), (2) participants diagnosed with mild cognitive impairment (MCI; n=98 participants), and (3) participants with Alzheimer disease (AD; n=99 participants). An electromagnetic tablet was used to record each participant’s hand-drawn stroke. A sheet of A4 paper was placed on top of the tablet to maintain the traditional interaction style for participants who were not familiar or comfortable with electronic devices (such as touchscreens). In this way, all participants were instructed to perform the TMT-square and circle. Furthermore, we developed an efficient and interpretable cognitive impairment–screening model to automatically analyze cognitive impairment levels that were dependent on demographic characteristics and time-, pressure-, jerk-, and template-related features. Among these features, novel template-based features were based on a vector quantization algorithm. First, the model identified a candidate trajectory as the standard answer (template) from the HC group. The distance between the recorded trajectories and reference was computed as an important evaluation index. To verify the effectiveness of our method, we compared the performance of a well-trained machine learning model using the extracted evaluation index with conventional demographic characteristics and time-related features. The well-trained model was validated using follow-up data (HC group: n=38; MCI group: n=32; and AD group: n=22).

Results

We compared 5 candidate machine learning methods and selected random forest as the ideal model with the best performance (accuracy: 0.726 for HC vs MCI, 0.929 for HC vs AD, and 0.815 for AD vs MCI). Meanwhile, the well-trained classifier achieved better performance than the conventional assessment method, with high stability and accuracy of the follow-up data.

Conclusions

The study demonstrated that a model combining both paper and electronic TMTs increases the accuracy of evaluating participants’ cognitive impairment compared to conventional paper-based feature assessment.
Process Mining for Healthcare Management (Preprint)
Authors: Elvas Luis B. , Saeed Raeisi , Helgheim Berit , Martins Ana Lúcia , Ferreira João C
Published: May 2023

BACKGROUND

The digital age, with ICT, IoT, big data, has opened new opportunities for improving the delivery of healthcare services, in which data mining approach can help improve the hospital management process by providing a big picture identifying process efficiencies

OBJECTIVE

This is a multidisciplinary study where a data mining approach was applied to hospital data to the improvement management process. From this data, we can provide a big picture of hospital processes and check process efficiency. Since we get data from the emergency department we check process, patients waiting time, physicians’ efficiency and length of stay (LOS).

METHODS

A data analytic investigation of the impact of patients’ average waiting time and LOS was performed to compare the efficiency of different groups of the physicians. In this research-based on CRISP-DM method by using an emergency department’s (general surgery unit) real-life data from 2015 to 2017, through the One-Way Analysis of Variance (ANOVA) method.

RESULTS

From the developed approach using hospital data, it was found that the waiting time and average LOS belonging to experienced physicians (who visit more patients) are longer than the less experienced physicians (who visit less patients). Using the Two-Way ANOVA method, the emerging and very urgent patients (Red and Orange triage color) who were visited by experienced physicians have longer average LOS than the same level patients who visited by less experienced physicians. On the other hand, not urgent patients (Blue triage color) who were visited by high experienced physicians have shorter average LOS than the same patients who were visited by less experienced physicians. This study was performed using two scenarios of physicians' grouping, including Pareto grouping (80-20) and Frequency grouping ("Very High", "High", "Medium", "Low" and "Very Low").

CONCLUSIONS

We show that data visualization tools for healthcare analysts to help them make better decisions, by the big picture identified. Big data offers a lot of potential for improving healthcare administration and taking the sector to the next level, identifying working problems, reduce costs.
Association of serum uric acid with bone health in different populations: a cross-sectional study of National Health and Nutrition Examination Survey (NHANES) (Preprint)
Authors: Tu Jiayuan , Mo Xiaoqiao , Zhang Xiangda , Chen Zihao , Xi Lijuan , Zeng Xiangchan , Xie Tian
Published: May 2023

BACKGROUND

Serum uric acid is known to be a positive association with bone mineral density, but few studies have been large enough to investigate which range of serum uric acid levels is protective against osteoporosis/osteopenia. This study showed specific ranges of serum uric acid levels are beneficial for bone health.

OBJECTIVE

To explore the relationship between serum uric acid and bone mineral density in people aged 18 or older.

METHODS

A cross-sectional study was conducted to examine the association between SUA and BMD from five cycles of NHANES (2005-2010, 2013-2014, and 2017-2020). Binary logistic regression models and restricted cubic spline models were used to evaluate the association between SUA and osteoporosis/osteopenia.

RESULTS

19881 participants aged ≥ 18 years were included. Higher SUA levels were significantly associated with a lower incidence of osteoporosis/osteopenia after adjustment for potential confounders and after subgroup analysis. The results of restricted cubic spline regression analysis demonstrated that there was a U-shape non-linear relationship between SUA and osteoporosis/osteopenia in all people (P Nonlinear =0.0114), male subgroup (P Nonlinear=0.0040), female subgroup (P Nonlinear =0.0235) and aged≥60 years subgroup (P Nonlinear =0.0001). Meanwhile, a transverse S-shaped relationship was observed in the obese people subgroup (P Nonlinear =0.0486). The cutoff SUA level was higher in males (456 μmol/L) than that in females (376 μmol/L) at the lowest risk of osteoporosis/osteopenia, and cutoff SUA levels in both groups were higher than that in normal SUA levels. The optimal SUA level in the elderly population is 408 μmol/L, and the optimal SUA level in the obese population is 440 μmol/L.

CONCLUSIONS

A complicated relationship between SUA and BMD in different populations was observed. Maintaining SUA within a moderate range may be beneficial to bone health.
Effect of COVID-19 lockdown on mobile payments for maternal health: a regression discontinuity analysis of 819,840 person-days of health wallet use data (Preprint)
Authors: Knauss Samuel , Andriamiadana Gracia , Leitheiser Roxane , Rampanjato Zavaniarivo , Bärnighausen Till , Emmrich Julius Valentin
Published: May 2023

BACKGROUND

The COVID-19 pandemic has resulted in an unprecedented popularity of digital financial services, for contactless payments and government cash transfer programs to mitigate the economic effect of COVID-19. The effect of the pandemic on the use of digital financial services for health in low-and middle-income countries, however, is poorly understood.

OBJECTIVE

To study the effect of the first COVID-19 lockdown on the use of a Mobile Maternal Health Wallet (MMHW) in Antananarivo, Madagascar, and draw conclusions on the effect of lockdown measures on the use of digital health services.

METHODS

We analysed MMHW data from 3,416 women at 25 public-sector primary care facilities and four hospitals from January 1 to August 27, 2020. We collected data on savings, payments, and voucher use initiated at the point-of-care. To estimate effects of the first COVID-19 lockdown in Madagascar, we used regression discontinuity analysis with modified Poisson regression for binary variables to estimate risk ratios.

RESULTS

Over the 819,840 person-days of observation, we recorded 3,719 savings, 1,572 payments, and use of 3,144 electronic vouchers. The first COVID-19 lockdown in Madagascar reduced mobile money savings by 58.5% (P<.0001), payments by 45.8% (P<.001), and voucher use by 49.6% (P<.001). The recovery duration after the lockdown differed by age group: Women aged 30 and older recovered substantially faster than younger women. Results remained robust in sensitivity analyses using ±20 days of the optimal bandwidth.

CONCLUSIONS

COVID-19 lockdown strongly reduced the use of mobile money in the health sector, affecting savings, payments, and voucher use. Reduced savings imply that the lockdown diminished women's expectations of future healthcare use, while declines in payment and voucher use indicate decreased actual healthcare utilization. These effects are crucial since many maternal and child healthcare services cannot be delayed for long, as the potential benefits will be lost or diminish if women do not receive the services within a narrow time window.

CLINICALTRIAL

This was an ancillary study using data from the 4MOTHERS trial, a randomised hybrid effectiveness implementation trial quantifying the effect of a mobile health wallet intervention on maternal health outcomes in Antananarivo (German Clinical Trials Register, DRKS-ID: DRKS00014928). The study was approved by the institutional review board of the University of Heidelberg on February 3, 2020 (reference number: S-428/2019).
Exploring the Road of Women to Medical Leadership: A European Perspective (Preprint)
Authors: Ruza Ieva
Published: May 2023

UNSTRUCTURED

This paper addresses and discusses several issues and perspectives for women in medical leadership from the European perspective.
Research on the Mechanism and Path of Rural Industry Revitalization Enabled by Digital Economy in Southwest China
Authors: Haomiao Zhai , Fuxia Gao
Published: May 2023

Establishing a long-term mechanism for empowering rural industry revitalization through the digital economy is the key to comprehensively promoting rural revitalization during the 14th Five Year Plan period. This article analyzes the influencing factors and characteristics of different models of rural industry development in the southwest region, and identifies specific models that can match the digital economy’s empowerment of different industries in the southwest region. And from the perspective of supply side structural reform, the research on the development mechanism and implementation path of rural industry revitalization in Southwest China is placed under the national strategy of digital economy, aiming to provide scientific decision-making basis for the matching mode, mechanism design, and implementation path in the process of rural industry revitalization in Southwest China from the perspective of supply side structural reform.
Artesanas textiles de Los Altos de Chiapas y su forzado andar hacia la industria creativa textil
Authors: Montero Del Puerto Julio
Published: May 2023

La industria creativa textil (ICT) surge en el marco de la globalización económica, como un programa de desarrollo impulsado desde los organismos internacionales. En Chiapas, esta industria se ha orientado principalmente hacia fines comerciales. Aunque se ofrece como un programa que impulsa el desarrollo económico de las comunidades indígenas, en la práctica se ha servido de su fuerza de trabajo y sus saberes, especialmente de las mujeres, al insertarlas en un contexto que las condiciona a combinar su cotidianidad con un trabajo productivo que aboga por el rendimiento económico. El objetivo del presente artículo es documentar los procesos de explotación e inserción de las mujeres artesanas textiles de Los Altos de Chiapas en la ICT. Para ello, se revisa el contexto socioeconómico y laboral de las artesanas y su transición dentro de los programas de desarrollo dirigidos al trabajo productivo de la artesanía textil. Se pone en evidencia la explotación de las artesanas producto de hechos multifactoriales como sus saberes tradicionales, la vulnerabilidad social agudizada por su condición de género e involucramiento gradual durante tres décadas en programas de desarrollo fincados en objetivos de crecimiento productivo; todo ello circundado por cambios macro y microeconómicos.
Avances en la privatización, control y el despojo de las semillas en América Latina bajo el régimen de las corporaciones transnacionales
Authors: Cadena López Miriam
Published: May 2023

En el artículo se analiza el avance en la privatización, control y el despojo de las semillas en América Latina bajo el régimen corporativo ¿Cómo ha venido operándose la profundización de la privatización y mercantilización de semillas?, ¿quiénes han sido los principales actores sociales y económicos que se han visto favorecidos con este proceso y quiénes más perjudicados? Adicionalmente se analiza cuál ha sido el andamiaje jurídico que permitió este proceso, cómo ha operado el despojo de las semillas y sus prácticas ancestrales, poniendo énfasis en los mecanismos de control o dominio que han impulsado las empresas transnacionales
Acepciones de Revolución en la transición socialista cubana
Authors: Sánchez Quiroz Rafael Magdiel
Published: May 2023

La revolución cubana constituye un hecho histórico fundamental para la comprensión de la historia reciente en América Latina y el Caribe. El proceso político de carácter socialista, anti imperialista y anti capitalista más longevo y radical que se ha gestado en esta parte del mundo ha desarrollado, a lo largo de sus más de sesenta años, diversos sentidos de concepto de revolución, que resultan originales e inéditos y contrastan con la acepción dominante del vocablo revolución de las ciencias sociales. El presente artículo hace una reconstrucción, en plano teórico, de las diversas acepciones del vocablo en el proceso de transición socialista y liberación nacional de Cuba a la luz de los distintos periodos que ha vivido y de los sucesos políticos más recientes en los que una nueva dirección política, nacida en la revolución, asume el mando del país en la tensión de continuar como profundización del proyecto o la consolidación de un régimen post revolucionario.
MERGING THE REAL AND THE VIRTUAL: IMPROVING THE INTELLECTUAL STRUCTURE OF THE SMART CITY
Authors: Dmitrieva N. N. , Falaleeva K. M. , Zhuravleva K. A.
Published: May 2023

The improvement of the concept “Smart City” and its influence on the formation of real space through the introduction of information technology in the urban environment, especially in the era of large-scale crisis caused by pandemic is described. The urgency of the influence of the virtualization of urban space on the social life of the person, through research of strategies aimed at more effective meeting the needs of the population was substantiated. The necessity of introduction of information systems is shown, which contributes to the creation of safe, energy efficient and, at the same time, identical environment of cities. Advantages of human interaction with smart city system by means of personal devices, different software and user interfaces connected to information resources of the city are described. A number of foreign and domestic examples of newest cities with high level of digital technologies, which are the basis for creation and transformation of architectural and spatial integrity of the city are considered. The need for the process of virtualization of social interactions based on the search of appropriate principles for the organization of architectural space, taking into account the impact of network communications on various aspects of community life, increase of competitiveness of cities, with focus on human innovation development.
THE “DIGITAL TWIN” OF A BUILDING: THE DIFFERENCE FROM BIM TECHNOLOGIES, SOURCES OF EFFICIENCY OF USE IN HOUSING AND COMMUNAL SERVICES
Authors: Ivanova I. B. , Vasilyeva A. Y.
Published: May 2023

This article examines the difference between digital counterparts and BIM technologies in terms of their role in design and construction, and their interaction with the environment. The features of the technologies are analyzed, as well as the sources of the effectiveness of the use of digital doubles in housing and communal services are considered. Building information modeling (BIM) is a technology that is based on the collection and processing of data on the architectural and planning, structural, economic, technological, and operational characteristics of an object. All the data embedded in the model interact and are connected to each other. This technology is an important step in the development of the digital, construction and economic industries. Allows you to focus on each section of the project in the information field and contributes to the improvement of the object management system. A digital double is a digital model that allows you to optimize your business, reflect the entire structure of the model, the technical condition, and also, through the use of analysis of physical and mathematical models, get a general idea of the construction object. In fact, a digital double is defined as an integrated virtual model of an object, obtained in the course of mathematical, physical, and intellectual analysis, which reflects the physical and technical condition of the object, its performance, and this together allows you to optimize the efficiency of financial investments. The creation of digital doubles is an integral part of the digital transformation of the Russian industry. This is quite a complex task, which involves solving serious financial costs, with painstaking selection and analysis of the results, comparing them with the costs. The economic effects of implementing implementation projects are manifested in the effective distribution and use of financial, material, technical and human resources and are achieved in several areas at once.
STATISTICAL DATA ON THE USE OF THE LEXEME СѢЧА IN RUSSIAN CHRONICLES (based on the corpus of russian chronicles of the IAS “Manuscript”)
Authors: Vernyaeva R. A.
Published: May 2023

The material for research in this work was the electronic corpus of the oldest Russian Chronicles, published on the portal “Manuscript: Slavic Written Heritage”. The article describes the different understanding of the concept of “collocation” in modern linguistics and presents a quantitative and statistical analysis of the lexical сѢча in the most ancient Russian Chronicles. The tool for obtaining the necessary samples was the n-gram IAS “Manuscript” module, which makes it possible to identify text combinations with a different number of components. The module makes it possible to carry out a statistical analysis of linguistic units using association measures. Within the framework of this work, the T-score and Log-Likelihood measures were used. The first allows you to determine how non-random the strength of the connection between words in a phrase is, the second allows you to compare the observed and expected values for two datasets. In the course of the scientific research, the statistical data on the use of the lexeme сѢча and the semantically close lexeme брань in the annalistic text were compared. The analysis of statistical data confirms the effectiveness of the application of association measures when working with the Old Russian text. The paper concludes that the quantitative-statistical method of analysis of the Old Russian text allows one to obtain linguistically substantiated results.