bluuebunny/crossref_metadata_2025 huggingface dataset:
Flexible dispersion engineering in metasurface-based leaky-wave antennas: leveraging spatio-temporally modulated impedance surfaces
Authors: Amini Amrollah , Moshiri Ali , Ahmadi Marzieh , Oraizi Homayoon , Nayyeri Vahid
Published: December 2024

This study aims to investigate dispersion engineering mechanisms within unilateral and bilateral metasurface-based leaky-wave antennas, presenting methodologies focused on space-time modulation of impedance boundary conditions. Utilizing the generalized framework based on the Floquet-wave expansion method, the research precisely investigates the effect of periodic space-time modulation on the dispersion characteristics of the leaky-wave antenna. The beam scanning mechanism has been investigated in the momentum and frequency domains. It is shown that by choosing the appropriate spatial-temporal variations in the boundary condition, the radiation beam may be steered in the desired direction and frequency. Through a comprehensive analysis encompassing parameters such as modulation depth, average surface impedance, and space-time modulation frequencies, the paper seeks to elucidate the intricate dynamics governing dispersion phenomena. Furthermore, the inquiry delves into the "rabbit’s ears" phenomenon observed in bilateral space-time modulated leaky-wave antennas. Distinguishing this phenomenon from the conventional pure-space modulated impedance boundary conditions, the research aims to uncover its underlying mechanisms and provide insights into the antenna performance. In addressing this phenomenon, the study also proposes adjusting the temporal pumping frequency as a potential strategy to mitigate the adverse effects associated with the rabbit’s ears phenomenon.
Mediações em monumentos epigráficos
Authors: D'Encarnação José
Published: December 2024

Ao propor-se «mediações» para tema de fundo deste número de Biblos, quiçá se pensou de imediato no malefício hodierno: os intermediários, veículo de encarecimento do produto e sanguessuga do produtor. Sucede, todavia, que poderia esquecer-se nessa voragem o papel positivo do intermediário técnico-cultural. Propõe-se, pois, a apresentação de casos em que monumentos epigráficos romanos e da actualidade denunciam o papel do intermediário e mostrar como também esse aspecto se reveste de não despiciendo alcance cultural.
O internato como chave de leitura histórico-educacional: a obra O Ateneu, de Raul Pompeia
Authors: Castilho Gonçalves Mauro , Andrade Emari
Published: December 2024

O artigo propõe um estudo sobre a obra O Ateneu, do escritor brasileiro Raul Pompeia. Lançado no final do século xix, o romance aborda uma experiência crítico-memorialística do autor que, instado pelas circunstâncias históricas, sistematiza suas reminiscências escolares ao criar personagens, situações e casos que, indelevelmente, o marcaram como sujeito-protagonista. Parte-se da hipótese de que Pompeia expõe seus argumentos e convicções, tendo em vista um exame apurado de suas condições existenciais, atreladas às peculiaridades do momento em que repercutiu a experiência institucional que enfrentou. A pesquisa apurou o conteúdo do romance, com vistas a compreender o statu quo histórico-educacional e seu vínculo com a filiação literária do autor. Optou-se em observar as articulações entre obra e conjuntura. Conclui-se que a obra debate o clima tensional do período, articulado com as adversidades institucionais próprias de um modelo de internato, que associa e congrega uma complexa rede de conveniências existenciais e culturais.
Las «clases obscuras»: las niñas y los niños en el imaginario de las élites en México (1843-1844)
Authors: Aguirre Lora María Esther , Márquez Carrillo Jesús
Published: December 2024

En el presente texto abordamos la literatura para la infancia que emergió durante las primeras décadas del siglo xix; para ello, nos interesa trabajar en particular Los niños pintados por ellos mismos (México, 1843) y Las niñas pintadas por ellas mismas (México, 1844), cuyo propósito era contribuir a la formación de los pequeños ciudadanos para el nuevo proyecto de sociedad liberal e ilustrada al que se aspiraban los círculos burgueses. Interesa tener presente que se trata de un campo de tensión en el que también converge el conservadurismo en distintos planos y niveles.
Los ejes que articulan esta contribución son: 1.º el contexto político y cultural en el que se publica este género de revistas; 2.º indicios de la expansión del mundo editorial que posibilita su publicación; 3.º el señalamiento de algunos elementos presentes en ambas publicaciones, que traslucen los imaginarios de la época.
Use of COVID-19 ICT Surveillance applications in Uganda:
Authors: Goswami Nandu , Buwule Robert Stalone , Acanit Mary , Schmid-Zalaudek, Karin , Brix Bianca
Published: December 2024

Different Information Communication Technologies (ICTs) health-based innovations such as cloud computing, web and mobile surveillance applications were used by proactive governments to fight COVID-19. Contact tracing mobile applications were used by more than 100 countries. However, the extent to which these surveillance applications have been used to track Covid-19 in Uganda is not clear. This study aimed to establish the use of COVID-19 surveillance applications in Uganda. This was a purely qualitative study. Health practitioners managing these surveillance applications were interviewed from Kampala City, Mukono and Wakiso districts of Uganda. The assessment of the COVID-19 surveillance applications underscores the relevance of health-based ICTS.

The surveillance applications provided accurate, authoritative and timely data. However, there were false alerts as result of inaccurate data supplied by the applications. The study recommends increased facilitation of the surveillance officers, continuous training of surveillance teams and integration of the applications for the management of other non-communicable diseases.
Artificial Intelligence Based Fine Tuning Model Based Fall Activity Recognition System for Disabled Persons in IoT Environment
Authors: Alzahrani Abdulrahman
Published: December 2024

Remote monitoring of fall actions or conditions and the everyday lifecycle of disabled losses is the vital drive of current tele-medicine. Internet of Things (IoT) and Artificial intelligence (AI) models contain deep learning (DL) and machine learning (ML) techniques, which are to be executed in the domain of medication for motorizing the recognition procedure of abnormal and unhealthy cases. A lot of applications contain real recognition of fall accidents in adult patients. Due to human gestures, it is insignificant to discover human activity with a greater level of accuracy for each application. Similarly, discovering human action was essential for automating a method to find and monitor mistrustful actions while implementing surveillance. So, this paper develops a novel Temporal Convolutional Network Based Fall Activity Recognition System for Disabled Persons (TCN-FARSDP) Algorithm in an IoT Environment. The primary intention of the TCN-FARSDP technique is to monitor and detect fall incidents for disabled persons to enhance safety and support prompt assistance. At the primary stage, the TCN-FARSDP method applies the image preprocessing stage using gaussian filtering (GF)to eliminate noise and improve the clarity of captured images. Next, the fusion of feature extraction models involves three techniques such as NASNetMobile, DenseNet121, and MobileNetV3Large are utilized to ensure a comprehensive capture of diverse image features relevant to fall activities. For the detection of fall activities, the temporal convolutional network (TCN) classifier is exploited. At the final stage, fine-tuning is performed using the Adamax to enhance the model’s convergence and stability. The performance evaluation of the TCN-FARSDP approach is implemented against a benchmark database and the experimental outcomes pointed out the better results of the TCN-FARSDP system over the existing techniques.
AI tools assisting in the proofreading and scientific review of research papers
Authors: Alalaq Ahmed Shaker
Published: December 2024

Study Summary: The importance of using artificial intelligence tools in various fields, including proofreading and scientific review, is increasing. These tools assist researchers in improving the quality of their work by providing precise linguistic corrections and advanced text analyses, thus enhancing the clarity of ideas and the effectiveness of scientific communication. Additionally, these tools save researchers time and effort, allowing them to focus on research content. Utilizing these tools can also increase the chances of research publication in prestigious journals.

مشكلة الدراسة: يواجه العديد من الباحثين، وخاصة في البيئات الأكاديمية متعددة اللغات، صعوبات في ضمان جودة لغتهم وتصحيح الأخطاء النحوية واللغوية في أوراقهم البحثية. ويمكن أن تؤدي هذه الأخطاء إلى سوء فهم الأفكار البحثية الرئيسية، مما يؤثر سلبًا على تقييم عملهم. علاوة على ذلك، فإن الافتقار إلى الكفاءة اللغوية يمكن أن يشكل عائقًا أمام الباحثين الجدد. تهدف هذه الدراسة إلى استكشاف فعالية أدوات الذكاء الاصطناعي في تدقيق النصوص وتقديم حلول تقنية تدعم الباحثين في تحقيق نتائج دقيقة من خلال المراجعة اللغوية.
Changes in Amorphous and Crystalline Phases of Ion-exchange Membranes MA-41P and MK-40 in the Separation of Industrial Solutions by Electrodeionization and Electrodialysis Methods
Authors: Lazarev Sergey , Shestakov Konstantin , Mikhaylin Maxim , Khorokhorina Irina
Published: December 2024

The interest in studying the structure of ion-exchange membranes is degree of crystallinity, the interplanar distance and size of crystallites and other characteristics. This work aimed to study the change in structural characteristics of ion-exchange membranes MA-41P and MK-40 during electrodeionization and electrodialysis using X-ray diffraction (XRD) analysis and differential scanning calorimetry (DSC). For these processes, multicomponent solution model was used, which was similar in composition to industrial solutions used in galvanic production. It contained CuSO4, CoSO4, CdSO4, Fe(NO3)3 and Ni(NO3)2 with different initial concentration. As a result of the study, it was found that mechanical, chemical and thermal loads lead to the formation of defects and the gradual destruction of the membrane structure. The membrane becomes less selective, the ion transmission becomes less controllable, and undesirable reactions with the processed medium occur. The observed deviation of the diffraction angles at the crystalline peaks of water-saturated and working membrane samples indicates the sensitivity of macromolecules to mechanical and thermal loads arising under cyclic operation. This is due to a change in structural ordering, polymer matrix amorphization and intermolecular interactions within the membrane structure. A comparative analysis of the membrane structural characteristics after the separation processes has shown that the structure of the cation-exchange membrane MK-40 contains a larger percentage by 2–9 of the crystalline phase compared to the anion-exchange membrane MA-41P, which provides it with greater mechanical and chemical resistance during operation. In contrast, the anion-exchange membrane MA-41P is more amorphous and has a stronger absorption capacity.
Influência da experiência do operador na capacidade de corte e modelagem do Reciproc e Reciproc Blue em canais radiculares simulados em formato de “S”
Authors: Castro Rugislaine , Bueno Carlos , Rocha Daniel , Fontana Carlos , Pelegrine Rina , Boff Luiza , Limoeiro Ana , Nascimento Wayne , Marceliano-Alves Marilia , de Martini Alexandre
Published: December 2024

Objetivo: O presente artigo teve como objetivo investigar se a experiência do operador influencia na capacidade de corte, modelagem e tempo de preparo usando os sistemas Reciproc e Reciproc Blue. Métodos: Cento e vinte canais simulados em formato de “S” foram distribuídos aleatoriamente em seis grupos (n=20): RC1 e RC3 (Reciproc e operador inexperiente); RC2 (Reciproc e operador experiente); RCB1 e RCB3 (Reciproc Blue e operador inexperiente); RCB2 (Reciproc Blue e operador experiente). Resultados: Não houve diferença significativa em termos de capacidade de corte dos instrumentos (p...
MTA como opção de obturação em caso de reabsorção dentária após avulsão: relato de caso
Authors: Marques Eduardo , Marceliano-Alves Marília , Toledo Júnior Georthon , Marceliano Eduardo , Dantas Wânia , Coutinho Thais
Published: December 2024

﻿Introdução: O trauma dentário pode levar à reabsorção radicular externa, principalmente após a avulsão. Objetivo: Apresentar um relato de caso de tratamento de dentes anteriores afetados por reabsorção radicular externa após avulsão. Relato de caso: Paciente com 10 anos de idade, teve ambos os incisivos superiores avulsionados e reimplantados em um pronto-socorro. No momento do atendimento endodôntico, observou-se que ambos os dentes apresentavam reabsorção radicular inflamatória. Optou-se pela realização de tratamento endodôntico, visando paralisar o processo...
Resource intensity of the digital transformation in Germany
Authors: Milde Katharina , Meyer Mark , Kirchdorfer Roman , Haack Daniel
Published: December 2024

The project “Digitalisation and natural resources” (DigitalRessourcen) analyzed the resource intensity of digitalization in Germany. Various micro- and macro-level analyses were conducted and areas for shaping sustainable digitalization were identified. At the micro-level, the resource requirements and environmental impacts of digital products and services were calculated on the basis of case studies using life cycle assessment principles. At the macro-level, input-output models were applied to determine the need for raw materials and the CO2 emissions of the digitalization in Germany for the national economy. The micro-level analyses confirmed the expected correlation between raw material use, energy use, and global warming potential. The main causes here were identified in the manufacturing and use phases. Macro-level analyses revealed that, besides domestic demand dependencies, the close links between the German economy and international trade could be an obstacle to reducing the raw material and CO2 intensity of digitalization.
Klimaschutz in der Sackgasse: Zwischen klarer Zielsetzung und umstrittenen Lösungswegen
Authors: Ruddat Michael , Eltrop Ludger , Lorenz Brigitte-Maria , Mack Birgit , Sonnberger Marco , Tampe-Mai Karolin
Published: December 2024

Climate change is one of the greatest challenges facing humanity. While the goal of climate neutrality is widely recognized, there is great disagreement about how to achieve it. How can society deal with this dilemma? One possible answer is common principles for action that consider multiple perspectives. In a real-world laboratory study at the University of Stuttgart, both models for climate neutrality from researchers and ideas on climate neutrality from stakeholders (employees and students) were identified in a survey (n = 1.767) and then evaluated. Ten principles of climate neutrality were derived from this. Due to their broad, robust foundation, these could also be applied in other areas and thus outline common and acceptable paths to climate neutrality.
Implementing Biodrying Method for Waste Processing in Salatiga City
Authors: Hardyanti Nurandani , Zaman Badrus , Bagaskhara Rezza Anferditya , Hasfiawan Harsya Giras
Published: December 2024

Waste processing in Salatiga City could have been more optimal. It can be seen from the data from the Salatiga City Environment Service that the waste processing facility in the form of an active waste processing site with reduce-reuse-recycle is only one out of seven registered units. This has the potential to cause accumulation at the final processing site. Therefore, it is necessary to develop an effective waste processing facility. Planning for waste processing using the biodrying method can effectively process waste that produces products in the form of Refuse Derived Fuel (RDF)[1] [Ma2] . Planning for waste processing is carried out until 2032 in two service areas: Service area 1 (Argomulyo District and Tingkir District) and service area 2 (Sidorejo District and Sidomukti District). The amount of waste generated by service area 1 reaches 49.33 tons/day and 522.67 m3/day, while service area 2 reaches 49.62 tons/day and 414.01 m3/day. Planning for waste processing using the drying method includes picking bay units, shredding, drying, screening, and loading RDF.[3] [Ma4]  RDFs potential in 2032 as a result of waste processing in service area 1 is 11159.03 tons/year with sales of Rp. 7,270,755,009 / year and in service area 2 it is 10,471.09 tons / year with sales of Rp. 6,822,524,206 / year
Utilization of Black Soldier Fly Larvae in Processing Expired Food Waste with Various Composition
Authors: Yunita Silma Maya , Siwiendrayanti Arum , Nurjanah Nurjanah
Published: December 2024

The study aimed to evaluate the effectiveness of Black Soldier Fly (BSF) larvae in processing expired food waste with different compositions, including expired instant noodles, bread, and milk, compared to a cassava pulp control. A true experimental design using a Posttest Only Control Group and Complete Random Design  was employed. Over 15 days, temperature, pH, moisture, and waste reduction were measured. The results indicated that BSF larvae were most effective in reducing waste when fed expired instant noodles, with a Waste Reduction Index (WRI) of 5.68%, followed by bread (5.61%) and milk (5.47%). The lowest WRI was observed in the cassava pulp control group (5.28%). Statistical analysis using One Way ANOVA showed significant differences in WRI values among the waste compositions, confirming that BSF larvae efficiently reduce organic waste, particularly expired food, offering a sustainable solution for waste management.
Strengthening Institutional Capacity of the Hulun Hyang Farmer Group for Advancing the Edelweiss Flower Agroecosystem: a Case Study in Edelweiss Park, Bromo Tengger Semeru National Park, Indonesia
Authors: Rahma Melati Julia , Faronny Danniary Ismail , Batoro Jati , Karyawati Anna Satyana , Putro Agung Nugroho , Waluyo Budi
Published: December 2024

The escalating demand for Edelweiss flowers as souvenirs due to tourism development threatens their availability and economic value, impacting the indigenous Tengger community, which relies on these flowers for irreplaceable traditional offerings. The Hulun Hyang farmer group was established in 2017 under the guidance of the national park to conserve Edelweiss flowers, and subsequently obtained a cultivation permit from the Ministry of Environment and Forestry. However, the sustainable management of Edelweiss Park necessitates bolstering the group's institutional capacity as a critical agent in its development. This research examines the endogenous growth and active participation of the Hulun Hyang farmer group to strengthen their institutional capacity, enabling the establishment of deeply rooted and locally responsive mechanisms. Community development initiatives aim to foster economically and socially independent communities by enhancing agroecological management capacity by employing a strategic group development approach. Findings indicate that the institutional capacity of farmer groups is directly influenced by member dynamism and participation and indirectly impacted by leadership, member capacities, the role of extension workers, external support, and farmer characteristics. Consequently, efforts to augment the group's institutional capacity focus on promoting member dynamism and active engagement in group activities.
Norma Pernikahan Dalihan Natolu dan Padan pada Masyarakat Batak Toba dalam Film Mursala: Sebuah Kajian Sosiologi Sastra
Authors: Simatupang Bintang Raphael Cornelius
Published: December 2024

This research aims to reveal the marriage norms of Dalihan natolu and padan in the Toba Batak community in the film Mursala. The theories used in this research are film narrative theory according to Pratista and literary sociology according to Watt, namely literature as a mirror of society. The data collection method used is literature. Research is conducted through written and audio-visual sources such as videos. The material object of this research is the 100-minute film Mursala. The data taken are images and dialogue text in the film Mursala. The main formal object is marriage norms which are reviewed through the sociological theory of literature by Watt, namely literature as a reflection of society. Meanwhile, the presentation of the analysis results is in the form of a narrative description which is also accompanied by several pictures. The results of this research reveal that there are norms of natolu marriage and soul mate in the film Mursala, played by Anggiat Simbolon and Clarissa Saragih. The family relationship with the Anggiat clan, namely Simbolon and Clarissa, Saragih, are cousins based on the tarombo (genealogy) relationship as descendants of King Naiambaton. This makes their love relationship prohibited by the marriage norms of Dalihan Natolu and Padan. In the end, Anggiat Simbolon's love affair with Clarissa Saragih ended to avoid the heavy sanctions that apply to marriage norms in Toba Batak society, such as being expelled from her hometown and expelled from the scope of her clan. Apart from that, the customary sanctions that apply are related to myths and legends in the Toba Batak community and genetics in general. The Mursala film provides a moral message to the Toba Batak people, namely the importance of carrying out customs and norms that have been preserved for generations by the Ompu Sijolojolo Tubu (ancestors) so that they do not commit violations and are not subject to customary sanctions. More than that, this custom is carried out so that the Toba Batak people do not lose their identity as Toba Batak people. Keywords: Film Mursala, Batak Toba, dalihan natolu, padan, sosiologi sastra, naratif film.
Use of labile HbA1c as a screening tool to minimize clinical misinterpration of HbA1c
Authors: De Muynck Emilie , Lapauw Bruno , Delanghe Joris , Lambrecht Stijn
Published: December 2024

Objectives

Hemoglobin A1c (HbA1c) is an established tool in the diagnosis and follow-up of patients with diabetes. However, in some patients the interpretation of HbA1c results faces challenges due to additional biological variation or non-steady-state conditions. This study aimed to demonstrate the value of the L-HbA1c/HbA1c-ratio as a tool to flag HbA1c results, which do not reflect average glycemia “as expected” in routine clinical practice.

Methods

A total of 450 samples of unique patients were selected based on the L-HbA1c/HbA1c-ratio determined on a Tosoh G8 analyzer resulting in a group with a high ratio (≥0.50), a group with a low ratio (≤0.27) and a group with a normal ratio (0.27–0.50). The relationship between HbA1c and glycemic markers (fructosamine and random glucose) was established for all ratio groups. In a smaller cohort of type 1 diabetes patients, continuous glucose monitoring was used as glycemic marker.

Results

The correlation between HbA1c and glycemia (random glucose and fructosamine) differs significantly between the ratio groups. For the same HbA1c level random glucose levels and protein-corrected fructosamine are higher in the high ratio group compared to the normal and low ratio groups, pointing to an underestimation of the glycemic status by HbA1c in patients with high L-HbA1c/HbA1c-ratios. The sensitivity of a high ratio to predict a glycation gap lower than −1.5 NGSP units is 82 % and the specificity is 65 %.

Conclusions

The results of this study reveal the usefulness of the L-HbA1c/HbA1c-ratio as an additional check in the interpretation of HbA1c results in order to detect HbA1c results not reflecting glycemia as expected.
Nitrogen and boron co-doped carbon dots probe for selectively detecting Hg2+ in water samples and the detection mechanism
Authors: Qiu Lixin , Qi Haiyan , Li Wenbo , Li Jun , Sami Rokayya , Aljuraide N. I. , Abo-dief Hala M. , Helal Mahmoud
Published: December 2024

Mercury ions represent hazardous contaminants with significant adverse effects on human health, wildlife, and vegetation. Therefore, it is crucial to create a sensitive and trustworthy technique for identifying mercury ions. In this study, nitrogen and boron co-doped carbon dots (N,B-CDs) were created via a one-step hydrothermal approach, employing citric acid, polyethyleneimine, and boric as precursors. The resulting N,B-CDs exhibited spherical morphology with an average diameter of 2.60 nm and emitted blue fluorescence with peak emissions at 442 nm (λ
em) upon excitation at 360 nm (λ
ex), yielding a fluorescence quantum yield of 27.34%. Remarkably, N,B-CDs, without any surface modifications, functioned as a direct “turn-off” probe, enabling swift, highly selective Hg2+ detection. The N,B-CDs probe could measure Hg2+ in the linear ranges of 0.40–22 μM and 22–208 μM , with a detection limit of 0.12 μM. The detection mechanism was attributed to dynamic quenching interactions between N,B-CDs, and Hg2+. Additionally, the probe was used to detect Hg2+ in both tap and river water, and the recovery rates ranged from 87.20 to 108.20% (RSD <4.89%). These findings highlighted the method’s considerable practical potential for detecting Hg2+ in environmental water.
Heavy metals in road dust from typical old industrial areas of Wuhan: Seasonal distribution and bioaccessibility-based health risk assessment
Authors: Liu Yuanyuan
Published: December 2024

Heavy metals (HMs) in urban road dust could cause human health risk through potential pathways, especially in industrial areas. To identify pollution sources and propose countermeasures, the seasonal distribution of five HMs (Cu, Cr, Zn, Pb, and Cd) were analyzed from 27 sites of Qingshan Industrial District (QSD) and their induced human health risk was assessed using a developed bioaccessibility-based risk assessment model. Results showed that: (1) The concentrations of five HMs were Zn > Cr > Pb > Cu > Cd. Compared with the background values of each element, the dust enrichment capacity in summer was Zn > Pb > Cd > Cu > Cr, and in winter was Cd > Zn > Pb > Cu > Cr. (2) There was no non-carcinogenic risk in road dust in QSD and children’s total non-carcinogenic risk was higher than adults. The non-carcinogenic exposure of each HM was ingested > dermal contact > respiratory inhalation. (3) Cu-Zn-Pb-Cd mainly came from the combined pollution of traffic and industry, and Cr came from the pollution of the steel industry and natural sources. (4) Based on the assessment results, Cr, Zn, Pb, and Cd were determined as the priority control HMs.
Robust H

∞
filter-based functional observer design for descriptor systems: An application to cardiovascular system monitoring
Authors: Tunga Pabitra K. , Jaiswal Juhi , Tomar Nutan K.
Published: December 2024

In this article, we present a novel approach for robust state estimation in linear uncertain descriptor systems, with a specific focus on the cardiovascular system (CVS) as a case study. Descriptor systems, which extend traditional state-space representations by incorporating algebraic constraints, present significant challenges in observer design, especially under conditions of uncertainty. To address these challenges, we propose the design of a functional observer using the

H

∞

{H}_{\infty }

filter approach, capable of managing uncertainties arising from both external disturbances and variations in system parameters. The observer is designed using a unique linear matrix inequality framework, which ensures the stability and performance of the estimation error system. The convergence of the estimation error is rigorously analyzed using the Lyapunov method. The effectiveness of the proposed method is demonstrated through simulations on a CVS model, highlighting its potential to reliably estimate unknown states in the presence of uncertainties.
Foreign Translators Group in the PRC From 1949 to 1966: A STP Perspective
Authors: Chen Longzhan
Published: December 2024

Throughout the history of translation in China, almost every major translation movement has been accompanied by the activities of foreign translators. China, during the seventeen years from 1949 to 1966, absorbed a large number of foreign translators, who made significant contributions to the translation profession of the People’s Republic of China (PRC). These foreign translators participated in China’s translation practice, resulting in distinct characteristics of the translators group. This article takes the concept of the “translator community” of the State Translation Program (STP) as the departing point to explore the characteristics of the foreign translators group engaged in STP in China from 1949 to 1966 and digs out the reasons behind the generation of the foreign translators group. It is found that the foreign translators group in the early 17 years after the founding of the PRC are specifically manifested as the translator positioning of state translators, the predominant translator identity of non-professionals, and the translator image of “gears” and “repairmen.” The generation of these groups is the result of multiple factors, including the state’s strategic requirement for translation output, the state’s macro-regulation of the allocation of translation talent resources, as well as the state’s manipulation of the translation process.
Absence of global solutions to wave equations with structural damping and nonlinear memory
Authors: Kirane Mokhtar , Nabti Abderrazak , Jlali Lotfi
Published: December 2024

We prove the nonexistence of global solutions for the following wave equations with structural damping and nonlinear memory source term

u

t
t

+

(

−
Δ

)

α

2

u
+

(

−
Δ

)

β

2

u

t

=

∫

0

t

(

t
−
s

)

δ
−
1

∣
u

(

s

)

∣

p

d
s

{u}_{tt}+{\left(-\Delta )}^{\tfrac{\alpha }{2}}u+{\left(-\Delta )}^{\tfrac{\beta }{2}}{u}_{t}=\underset{0}{\overset{t}{\int }}{\left(t-s)}^{\delta -1}{| u\left(s)| }^{p}{\rm{d}}s

and

u

t
t

+

(

−
Δ

)

α

2

u
+

(

−
Δ

)

β

2

u

t

=

∫

0

t

(

t
−
s

)

δ
−
1

∣

u

s

(

s

)

∣

p

d
s
,

{u}_{tt}+{\left(-\Delta )}^{\tfrac{\alpha }{2}}u+{\left(-\Delta )}^{\tfrac{\beta }{2}}{u}_{t}=\underset{0}{\overset{t}{\int }}{\left(t-s)}^{\delta -1}{| {u}_{s}\left(s)| }^{p}{\rm{d}}s,

posed in

(

x
,
t

)

∈

R

N

×

[

0
,
∞

)

\left(x,t)\in {{\mathbb{R}}}^{N}\times \left[0,\infty )

, where

u
=
u

(

x
,
t

)

u=u\left(x,t)

is the real-valued unknown function,

p
>
1

p\gt 1

,

α
,
β
∈

(

0
,
2

)

\alpha ,\beta \in \left(0,2)

,

δ
∈

(

0
,
1

)

\delta \in \left(0,1)

, by using the test function method under suitable sign assumptions on the initial data. Furthermore, we give an upper bound estimate of the life span of solutions.
Crosstalk between miRNAs and signaling pathways in the development of drug resistance in breast cancer
Authors: Amiri Reza , Nabi Poorya Najjari , Fazilat Ahmad , Roshani Fatemeh , Nouhi Kararoudi Alireza , Hemmati-Dinarvand Mohsen , Valilo Mohammad
Published: December 2024

One of the biggest challenges of today’s society is cancer, which imposes a significant financial, emotional and spiritual burden on human life. Breast cancer (BC) is one of the most common cancers that affects people in society, especially women, and due to advanced treatment strategies and primary prevention, it is still the second cause of cancer-related deaths in society. Various genetic and environmental factors are involved in the development of BC. MicroRNAs (miRNA)s are non-coding RNAs, that the degradation or inhibition of them plays an important role in the prevention or development of cancer by modulating many cellular pathways including apoptosis, drug resistance, and tumorigenesis. Drug resistance is one of the important defense mechanisms of cancer cells against anticancer drugs and is considered one of the main causes of cancer treatment failure. Different miRNAs, including mir-7, mir-21, mir-31, and mir-124 control different cell activities, including drug resistance, through different pathways, including PI3K/AKT/mTOR, TGF-β, STAT3, and NF-kB. Therefore, cell signaling pathways are one of the important factors that miRNAs control cellular activities. Hence, in this study, we decided to highlight an overview of the relationship between miRNAs and signaling pathways in the development of drug resistance in BC.
An in vitro investigation on the physicochemical properties of different quercetin formulations
Authors: Ibi Afoke , Chang Chuck , Zhang Yiming , Kuo Yun Chai , Du Min , Roh Kyle , Gahler Roland , Solnier Julia
Published: December 2024

Objectives

Quercetin is a naturally occurring plant flavonoid commonly used as a nutritional supplement due to its antioxidant and anti-inflammatory properties. Its well-known low bioavailability has led to the design of different quercetin formulations by various commercial entities seeking to market a highly bioavailable quercetin product. This study investigates four different commercially available quercetin formulations (LMQ, QUX, QUO, and QUV) for their physicochemical properties that influence bioavailability. LMQ and QUX are liquid-based formulations while QUO and QUV are solid powder-based formulations.

Methods

Studies were conducted on particle size using a particle size analyzer; solubility (in water, simulated gastric and intestinal fluid) using Ultra High Performance Liquid Chromatography (UHPLC) to quantify the quercetin content; intestinal permeability and toxicity using Caco-2 cells and HepG2 liver cells.

Results

LMQ and QUX had the narrowest particle size distribution as well as the highest solubility while QUO and QUV had the widest particle size distribution but the poorest solubility. One formulation (QUO) exhibited a significant reduction in cell viability with HepG2 and Caco-2 cells including a significant decrease in TEER value change (−39.0 %; p<0.01); its higher Caco-2 cell permeability (Papp 2.85 × 10−4 ± 4.22 × 10−5; p<0.05) likely resulted from reduced membrane integrity. The other formulations significantly increased the TEER value within the first 4 h (≥22.7 %; p<0.05).

Conclusions

The particle size distribution of each of the individual formulations reflected their solubilities in water and gastrointestinal fluids. Despite QUO having the highest permeability, its negative change in TEER value over time revealed its evident cytotoxic effects. QUV performed poorly in terms of solubility, and permeability. LMQ and QUX were the most consistent across each study with LMQ performing better than QUX overall. Findings of this study present one formulation (LMQ) with superior intestinal absorption while maintaining high cell viability, thus making it one of the safer and more effective quercetin formulations.
The Corrupted “Wheel of Life”: An Essay on Ouroboroses
Authors: Uzlaner Dmitry
Published: December 2024

The focus of this article is a symbolic image often found in world mythology – a giant snake or a dragon biting its own tail. This image is usually denoted by the Greek word “ouroboros” (οὐροβόρος), which means literally “eating its own tail.” This essay is devoted to an interpretation of this symbol, which the author sees as leading to the much broader topic of human unfreedom and the forms that this unfreedom takes. The first section deals with the unique features of Gnosticism which have made it appealing in extremely varied times and situations. Gnosticism will be the basis for my considerations about ouroboros. The author’s reflections start from understanding the Gnostic worldview as an expression of apprehensiveness about the radical otherworldliness of the human spirit and its alienation from the universe. The second section deals with the symbolism of the ouroboros and its place in Gnostic conceptual schemes as a reference to the closed cycle of nature that enslaves the human spirit. The third section attempts to decipher layer by layer the Gnostic conceptions associated with the ouroboros. Various levels of interpretation are identified: literal, mythological–magical, psychological-ascetic, and sociopolitical. In the fourth section, the author connects Gnostic ideas with Christianity by interpreting St. Paul’s Epistles, particularly his ideas concerning rulers and authorities. The place occupied by the ouroboros in the Christian universe is analyzed. The last section relies on the ideas of René Girard, Jacques Lacan, and Alain Badiou to illustrate the manifestations of the ouroboros in different dimensions of human existence, both individual and collective, with special emphasis on human desire and its futile circlings.
MONTAGEM URBANA
Authors: Berenstein Jacques Paola
Published: December 2024

A ideia de montagem urbana é uma proposta de atualização da ideia de montagem das vanguardas artísticas como método, como princípio e como prática de conhecimento das cidades e suas transformações. Buscamos pensar um conhecimento das cidades a partir da montagem para problematizar o fechamento do campo do urbanismo ao mostrar outras formas de narração das diferentes experiências urbanas; entendendo a montagem também como prática, um exercício de apreensão, compreensão e apresentação das cidades e de suas transformações permanentes, que pode ser pensada ainda como uma forma de ação política, por desmontar o status quo ou a “história oficial“ do campo do urbanismo.
O POEMA DE PEDRAS DE FERDINAND CHEVAL
Authors: H. N. Machado Nara , Ponge Robert
Published: December 2024

O presente trabalho pretende examinar a obra arquitetural de Ferdinand Cheval, um carteiro rural que, de 1879 a 1912, construiu seu Palácio Ideal no sudeste da França e, a partir da mesma, formular algumas reflexões sobre as relações entre arquitetura e surrealismo bem como entre surrealismo e collage. Cheval não era surrealista, mas sua obra seduziu os surrealistas que nela encontraram fortes afinidades. Inicialmente, apresentamos a trajetória do carteiro e analisamos sua obra. Após, abordamos o imaginário de Cheval e as fontes que o alimentaram. A seguir, nos detemos na apreensão dos surrealistas sobre o carteiro e seu palácio, estabelecendo algumas breves ponderações sobre o que é o surrealismo assim como sobre surrealismo e collage, para, então, formular algumas considerações a título de conclusão.
A COLLAGE NA ARQUITETURA DE MIRALLES
Authors: Rolão Flôres Anelis
Published: December 2024

Este artigo tem como objetivo apresentar o uso da collage na arquitetura de Enric Miralles por meio de seus textos e o projeto do Parque Diagonal Mar, em Barcelona. O processo criativo utilizado por Miralles permite a elaboração de um percurso multifacetado e particular, repleto de influências e reinterpretações. Nele foram encontrados símbolos de amplo significado, conforme os projetos e etapas em que se encontravam. Símbolos recortados durante a pesquisa e aproximados, que não estavam apenas nos textos e material publicado, mas estavam no acervo dentro das carpetas grogues possibilitando uma leitura sob a ótica da collage, utilizando os conceitos de ressignificação, repetição e acumulação. No Parque Diagonal Mar encontramos a árvore da vida como sua estrutura e maior referência, assim como sua capacidade de ir além em outros projetos. Esta análise confirmou que a continuidade do método projetual com collage tornouse imprescindível na compreensão deste processo como transcendência para futuros projetos arquitetônicos.
CIBACHROMES DE GORDON MATTA-CLARK
Authors: Mendes Cidade Daniela
Published: December 2024

A obra de Gordon Matta-Clark (1943-1978), artista norte-americano, apresenta uma sintaxe fortemente marcada pelo corte. O corte, um dos procedimentos da collage, se transforma também em conceito operatório neste ensaio para demonstrar que, através dele, a construção passa também pela destruição. Para isso, a reflexão aqui tem como interesse as fotocollages ampliadas em Cibachromes, técnica utilizada pelo artista que marcam o gesto do corte num processo contínuo de reconstrução: o corte que antecede a ação sobre edificações abandonadas prestes a serem demolidas até o corte do corte na collage. Seria o cibachrome como desdobramentos das ações de Gordon Matta-Clark o trabalho interminável do processo de collage?
A COLLAGE E O CORPO AMADOR
Authors: Da Silva Maria Angélica , Barbosa Corado Carneiro Ana Karolina , Ferreira Feitoza Suzany Mariha
Published: December 2024

Em Maceió, Alagoas, espaços habitados consolidados em áreas geográficas denominadas grotas e tabuleiros surgem, a princípio, segregados da cidade dita oficial. Contudo, são nestes locais que a vida pulsa com uma outra intensidade, onde o sobreviver se faz com pouco, mas que um intenso praticar de trocas nos fala sobre outras urbanidades e formas de produzir conhecimento. A collage desponta como resposta estética que traduz um corpo perceptivo, sensorial e agregador, plenamente engajado no processo da existência. O artigo, inspirado em experiências de produção acadêmica e de pesquisa realizadas no programa de pós-graduação da FAU/UFAL, relata experimentos de campo, de escrita e de produção estética que buscaram repercutir o vivido. Em vários movimentos, como o trazido pelos sons ou pela música, confunde-se as barreiras entre centralidades e periferias. A collage surge como produção de um corpo amador, como propulsora de experimentos e outras formas de pensar a vida urbana.
AS CONSTELAÇÕES DE IMAGENS DA AVENIDA RIO BRANCO
Authors: Rubin Magoga Milena , Orbem Alberton Josicler , Miguel Cescon Luiz
Published: December 2024

O presente artigo explora a técnica da colagem e sua relação com o Atlas Mnemosyne de Aby Warburg e o conceito de montagem de Georges Didi-Huberman. Utilizando a metáfora das constelações, busca-se dispor diferentes fotografias em um mesmo plano, desafiando a linearidade do tempo. A collage emerge como elemento interpretativo, permitindo a experimentação de elementos visuais de diferentes origens, desafiando a noção de sentido fixo. O estudo concentra-se na Avenida Rio Branco, em Santa Maria, Rio Grande do Sul, explorando suas camadas históricas. Foram selecionadas fotos antigas e recentes, sobrepondo o passado e o presente, para criar colagens que refletem os atravessamentos e relações entre as imagens e o tempo. As colagens, revelam os resquícios do passado e os novos olhares do presente na paisagem urbana. Esse trabalho procura expandir as possibilidades de interpretação do espaço urbano, e discutir sobre o papel da imagem nesse processo.
REMONTAGEM DO TEMPO NA PRAÇA DA MATRIZ, PORTO ALEGRE
Authors: Da Silva Rodrigues Felipe
Published: December 2024

Este artigo apresenta a descrição do processo de collage, desenvolvido para a realização de um vídeo em 360°. Descrevendo, passo a passo, os caminhos percorridos para a construção dos panoramas criados, a partir da utilização de imagens, com o intuito de remontar o tempo na Praça da Matriz, Porto Alegre, RS, Brasil. A collage é trazida aqui como uma ferramenta de reapresentação ao se utilizar de fotografias do passado como fragmentos de memórias dos processos de transformação urbana, para a construção de um panorama que explicite as mudanças ocorridas na Praça. Oportunizando, deste modo, a possibilidade de se (re)narrar a cidade de outras perspectivas.
EXPLORANDO JUNKSPACE
Authors: Silva Freire Ana Luiza
Published: December 2024

O artigo em questão apresenta e discute o ensaio Junkspace (2001), de autoria de Rem Koolhaas, como uma ferramenta potencial para a compreensão da cidade contemporânea. O objetivo do estudo foi explorar métodos de apreensão da cidade, utilizando para isso uma abordagem teórico-metodológica. É apresentada uma discussão acerca do conteúdo, forma e contexto de Junkspace, de modo a demonstrar as bases para a utilização do ensaio como uma peça de categorização de elementos urbanos. Com isso, relata-se uma atividade pedagógica e experimental na qual os métodos da montagem e colagem, também identificados como métodos compositivos do ensaio Junkspace, orientam o reconhecimento e problematização de parte da produção espacial ocorrida na cidade de Natal-RN nas duas primeiras décadas do século XXI. Deste modo, demonstra-se como a cidade pode ser tomada enquanto um campo experimental que vincula teoria e prática, de modo a contribuir para a reflexão acerca das estratégias de ensino da Arquitetura e Urbanismo.
OFICINA DE COLLAGE
Authors: Pavan Detoni Luana , Rezende Faccin Carolina , Zanini Rorato Geisa
Published: December 2024

A oficina Collage: arquiteturas de uma pequena cidade, realizada no VI SINAPEQ, foi delineada com o objetivo de refletir acerca da abrangência espaço-temporal da arquitetura frente às singularidades e multiplicidades dos territórios caracterizados pela menor concentração demográfica. A técnica da collage foi apropriada pela oficina como um modo de pensar a arquitetura. Assim, em meio às ações de recortarcolar, rasgar-costurar, separar-unir, dispersar-organizar, provocou-se a retirada da superficialidade estampada nas figuras para que elas revelassem o profundo e amplo significado que escondem em seu interior. Busca-se apresentar neste ensaio a relação entre a arquitetura e a collage, no contexto das cidades pequenas; os procedimentos teórico-metodológicos elaborados para a oficina em meio ao desafio das restrições dos encontros presenciais no período de pandemia da COVID-19; também foi registrado alguns dos processos de criação desenvolvidos na oficina.
COLLAGE CALLEJERA
Authors: Fuão Fernando
Published: December 2024

O artigo aborda a collage como linguagem antinazifascista trazendo a tona personagens como John Heartfield, Josep Renaud, Leon Ferrari, o Grupo Tucuman Arde, Cildo Meireles, Clement Padin, Coletivo Collage Chile, Ordeph, Caiozzama. O artigo ainda conclama a importância da presença da collage quando vai para as ruas atuando como arma politica contra os fascismos.
MINORIAS E GRUPOS VULNERÁVEIS
Authors: Sutelo da Rosa Flávia , Weber dos Santos Luiza , Henrique Hillebrand Mateus Henrique , Pedrozo Gomes Nathália
Published: December 2024

Analisa-se, no presente artigo, a minorização de uma parcela da sociedade, que, em suas diversidades e diferenças, é subjugada e expropriada de direitos e garantias fundamentais mínimas. Para tal, parte-se do fundamento constitucional da dignidade da pessoa humana e, como objeto de análise, tem-se o Centro Histórico de Porto Alegre/ RS, onde operam as territorializações das populações negras, indígenas, em situação de rua, mulheres, LGBTQIAPN+, dentre outras. Como método, utiliza-se da análise teórica-conceitual e de dados oficiais, a partir dos quais articulam-se reflexões, e fazemse ressalto acerca da conjuntura político-social da capital gaúcha. São abordadas a relação identitária de grupos sociais minoritários e suas territorialidades, bem como suas práticas espaciais, com o viés afirmativo, identitário e protetivo. Entende-se que a presença e a articulação dos indivíduos que não são o sujeito universalizante, através de manifestações insurgentes, têm o potencial de transformar a cidade e o fazer estatal, promovendo-se uma maior equidade.
DO ÓCIO À O.C.A.
Authors: Panarelli Costa Ana Luisa , Leal Bonilha Caroline
Published: December 2024

O presente artigo se baseou no registro e reflexão acerca da experiência do coletivo O.C.A. (Ocupação Coletiva de Arteires), que ocupou um dos muitos casarões históricos abandonados na cidade de Pelotas. Levantei como hipótese a possibilidade de ressignificar a herança histórica e cultural em um patrimônio público ocioso, a partir da reativação do espaço pelo coletivo de arte independente, que direcionou suas ações para as principais problemáticas contemporâneas. Em busca de subverter as lógicas capitalistas do ambiente urbano e criar outras formas de habitar o espaço, o coletivo gerou uma vivência artística como ferramenta de transformação cotidiana e como possibilidade de interconexão entre as pessoas.