bluuebunny/crossref_metadata_2025_split huggingface dataset:
Rotational coronary angiography in heart transplant recipients
Authors: Sakhovsky S. A. , Kalchenko E. A. , Mironkov B. L. 
Published: July 2021

As a screening method for detecting coronary lesions, coronary angiography (CAG) is becoming increasingly important in the activities of transplant centers. Angiography examination of coronary arteries is performed in potential recipients of various organs, related donors, and annually in heart recipients. Given the grave condition of recipients in the early post-transplant period and annual angiographic studies, it is necessary to strive for reduction of radiation load on the body and reduction of dose of X-ray contrast agents used.Objective: to assess the possibilities of using rotational CAG in the activities of transplant centers.Materials and methods. We observed 254 patients who underwent CAG. Their ages ranged from 21 to 79 years (mean 46.92 ± 1), and 90% were men. All patients were divided into two groups: group 1 included 142 patients who underwent rotational CAG, while group 2 was the control group (where classical polyprojection CAG was performed) and included 112 patients. Group 1 was divided into 2 subgroups – the subgroup of patients after heart transplantation who underwent endomyocardial biopsy along with CAG (n = 51), and the subgroup of patients who underwent only rotational CAG.Results. In 91% of patients, CAG was performed by radial access. In group 1, stenotic lesions were detected in 33 patients: 19 had single-vessel lesions, 9 had two-vessel lesions, and 5 had three-vessel lesions. A total of 56 hemodynamically significant stenoses were detected, 9 of which were chronic total occlusions. In 83 patients (60%), performing only 2 series of rotational scans (one left and one right coronary artery) was sufficient. In 32 (23%) patients, one more clarifying projection was required, in 17 patients two and in 9 – 3–5 additional projections. In 3 cases, we switched to polyprojection CAG. The average amount of contrast agent used was 24.4 ± 0.9 ml, the average X-ray dose was 34561.3 ± 1695.2 mGycm2. The need for a contrast agent was significantly higher in the comparison group – 24.4 ± 0.9 mL and 103.5 ± 1.7 mL, respectively. The average X-ray dose in the main group was 34561.3 ± 1695.2 mGycm2, in the comparison group 41430.9 ± 4141.7 mGycm2. However, there was no significant difference between the groups. Subgroup analysis showed that patients who underwent only rotational CAG had lower radiation exposure compared to patients who underwent CAG combined with endomyocardial biopsy biopsy (EMB), as well as significantly lower load compared to the control group.Conclusion. Rotational CAG can be considered as the method of choice at transplant centers, where screening diagnostics of the state of the coronary bed is required, which is equivalent in terms of information content and safety. Rotational CAG allows to reduce the amount of injected contrast agent by more than three times, which in turn reduces the number of associated complications, as well as the radiation exposure of patients and medical personnel.
“Fértil Camposanto Llamado México”: Contemporary Poetry of U.S.-Mexico Border Deaths
Authors: Tracey Caroline 
Published: July 2021

Abstract
Death marks the U.S.-Mexico borderlands. This paper considers accounts of migrant death in contemporary poetry, examining the presence of migrants, necropower, and landscape in four works: Sara Uribe’s Antígona González (Oaxaca: Sur+editions, 2012), Eduardo C. Corral’s Slow Lightning (New Haven: Yale, 2012), Balam Rodrigo’s Libro Centroamericano de los Muertos (México: Fondo de Cultura Económica, 2018), and Forrest Gander’s Be With (New York: New Directions, 2018), drawing on recent theorizations of Achille Mbembé’s idea of necropolitics/necropower from both United States and Mexican scholars. I argue that examining the poetic and the theoretical texts in light of one another offers new conclusions for both. The affective similarities across the poetic texts help connect the theorizations of necropolitics, showing that while it appears that the agents of necropower—cartel members and Border Patrol agents—are very different, they can be understood as similar actors, dressed differently. Meanwhile, examining the poems in light of necropolitical theory reveals the extent to which distinct literary traditions of representing violence and nature influence the way in which border deaths are understood.
Cholo u hombre: Representation and Revolution in the Senderista Theater of Víctor Zavala Cataño
Authors: Spangler Ryan 
Published: July 2021

Abstract
The development of campesino theater by the Peruvian playwright Víctor Zavala Cataño played a pivotal role in underscoring the intellectual and economic divide separating the upper class and the agrarian workers of the high Andean plateau regions of Peru. His theater, which sought to empower the previously dehumanized indigenous laborers from the regions surrounding Ayacucho, simultaneously incorporated the oppressed workers into his theatrical milieu and indoctrinate them into the incipient revolutionary Maoist uprising known as Sendero Luminoso. This essay highlights Zavala Cataño’s implementation and adaptation of Antonio Gramsci’s theories of cultural hegemony and Bertolt Brecht’s dialectal study of socialism and capitalism in his theater. Furthermore, it emphasizes the author’s endeavors to expand the theatrical mise-en-scène to include all of Peru and prepare the Andean campesino for a future role in Sendero’s struggle to overthrow Peruvian democracy.
Knowledge and practice regarding menstrual hygiene among urban adolescents- A cross-sectional study
Authors: Sajjan Saraswati V , Neeta P N  , Shingade Poonam P 
Published: July 2021

Adolescence is the significant period in the life of a woman. Menstrual disturbances are the commonest presenting complaint in adolescent age group and unhygienic practices during menstruation can lead to untoward consequences like pelvic inflammatory disease and even infertility.To study the knowledge and practice regarding menstrual hygiene among adolescents.This is a cross-sectional study conducted from October 2018 to December 2018 among 100 adolescent girls who attended adolescent clinics at Urban Health Training centre of KBNU Medical College, Kalaburagi.The mean age of participants was 16.2 ± 2.1 SD. only 26% of participants were aware about menstruation before menarche. Majority (91%) of participants had knowledge about use of sanitary pads during menstruation but only 78% used them. The most common reason for non usage was the cost of pads (68%). The method of disposal was satisfactory among 62% of participants and 84% of participants change their pads /cloth pieces 2-3 times per day. Restriction of diet during menstruation was seen in 40% and 30% missed school during their periods.Although there was good knowledge regarding menstrual hygiene among adolescent girls, practice needs to improve. Health education sessions at urban health clinics and schools involving mothers of these adolescent girls can aid to overcome socio cultural practices of restricting movement and diet restrictions during menstruation.
‘Mouse’ loop – for frictionless mechanics
Authors: Kadam Vighanesh , Aphale Hrushikesh , Nagmode Sunil Kumar 
Published: July 2021

Frictionless mechanics for extraction space closure is one of the commonly used method in orthodontic practice. The ‘Mouse” loop is a new design for efficient and low friction space closure. The 'Mouse' loop has biomechanical advantages of increased range of activation and low load deflection rate. A case report is presented for the application of the loop. In the case report, a deciduous canine was extracted and its space was closed with the help of the 'Mouse' loop. The space of the deciduous canine was closed within five months without any clinical disadvantage.
Prevalência de lesões em praticantes de Muay Thai
Authors: Rodrigues de Menezes José Nilson , Torres Daniel Da Ponte , Andrade Barbara De Paula , Lima Sales Saulo Vinícius , Damasceno de souza Cleidiane Gonzaga , Duarte Fernandes Paulo Henrique Palácio 
Published: July 2021

RESUMO Objetivo: Esse estudo preconiza identificar as lesões mais frequentes em praticantes de Muay Thai. Métodos: O estudo se caracteriza como uma revisão integrativa de literatura. Foi realizada uma busca utilizando as bases de dados eletrônicas Medical Literature Analysis and Retrieval System Online (MEDLINE), PubMed, EBSCOhost, Portal de Periódicos CAPES e Google Acadêmico, nos idiomas português e inglês. Descritores utilizados foram Muay Thai e injury. A coleta resultou em 483 artigos, sendo selecionados oito artigos. Resultados: Foram encontrados oito artigos que se enquadraram nos critérios de inclusão. Apresentando três da língua portuguesa (37,5%) e cinco da língua inglesa (62,5%). Focalizando no tema principal abordado dos estudos, sete apresentam no seu conteúdo o Muay Thai e o risco de lesão. Apenas um abrange outras artes maciais, sendo também incluso, pois especifica bem as lesões mais acometidas. Conclusão: A partir da leitura dos oito artigos, os resultados obtidos desta revisão integrativa preconizam que a arte marcial Muay Thai tem altos índices de lesões, por ser um esporte de contato direto com o adversário e tem como local mais acometido os membros inferiores. Descritores: Muay Thai, Lesão, Esporte.
INITIATIVES FOR THE IMPLEMENTATION OF REGIONAL CROWDFUNDING SYSTEMS IN THE FINANCIAL GROUP OF GERMAN SAVINGS AND VOLKS- RAIFFEISEN BANKS
Authors: Dziuba Dariusz T. 
Published: July 2021

Purpose of the Study: The subject of consideration is crowdfunding as an innovative method of acquiring sponsors for the implementation of projects. The considerations were devoted to the initiatives of the Sparkassen-Finanzgruppe and the Volks-Raiffeisen banks in the implementation of regional crowdfunding systems in these banks. The aim of the research was to answer the following question: what are the sizes (in terms of value and quantity) of the analyzed market sub-segment and its specificity. Methodology: Crowdfunding platforms were identified at individual savings banks and VR banks. The data was searched on internet resources, supported by, inter alia, lists of such financial institutions. The final data was obtained directly from the websites of financial institutions, or they were aggregated. The research was carried out at the turn of May and June 2021, with data verification as of June 7, 2021.Main Findings: The article explores a specific market segment in Germany - savings banks and Volks-Raiffeisen banks that implement donation crowdfunding platforms. The scope of implementation of such systems was determined by identifying individual analyzed financial institutions. Methods of project co-financing by banks were highlighted. The value of accumulated financial resources (capital) and the scope of project implementation were measured, separating the size of the market sub-segment under study. The examined systems collectively obtained a relatively large amount, over EUR 86.3 million.
Applications of the Study: The presented article relates to the use of crowdfunding methods in selected financial institutions: German savings banks and VR banks. This implies considerations in several scientific fields, incl. economics and finance (the possibility of measuring the market segment; the specificity of banks' operation), IT (in economic applications), or sociology (relations between donors / sponsors and financial institutions).
Novelty / Originality of this Study: Scientific literature on the use of crowdfunding in financial institutions, in particular the measurement of the size of this market segment, is practically non-existent. Thus, getting to know the specifics and distinguishing in this article the size (in terms of value and quantity) of the crowdfunding sub-segment in German savings banks and VR banks, although partial, seems promising. This opens a pool of further studies in this area with the possibility of comparing them.
Selective Channel Assignment Method in Cognitive Radio System
Authors: Gowda C P Mallikarjuna , Vijayakumar T 
Published: July 2021

Abstract
An Efficient Channel assignment method for cognitive radio system has been proposed in this paper, by considering primary and secondary calls separately in the network for the cases of with and without usage of converters. The proposed channel assignment method known as selective channel assignment method its performance is compared with the existing first fit assignment and uniformly distributed random assignment methods. Each of the models has variant for with conversion and without conversion of wavelength. The simulations are run for a network having 10, 20 channels, 12, 15 and 25 links and 8 Erlangs of load. By carrying out the simulations of the proposed and existing channel assignment methods, the blocking probabilities, throughput and channel usage frequencies are computed for each of the assignment methods. When the selective channel assignment method was used, the blocking probabilities are around 41% and 39% for 50% PU calls case and 64% and 26% for 75% PU calls case when there were no converters in the network. When converters are used, the blocking probabilities are around 30% and 36% for 50% PU calls case and 38% and 18% for 75% PU calls case. Our simulations validated the effectiveness of the proposed channel assignment scheme in terms of blocking probability, throughput and channel usage as performance parameters.
Memory of land surface and subsurface temperature (LST/SUBT) initial anomalies over Tibetan Plateau in different land models
Authors: Qiu Yuan , Feng Jinming , Wang Jun , Xue Yongkang , Xu Zhongfeng 
Published: July 2021

Abstract

This study applies three widely used land models (SSiB, CLM, and Noah-MP) coupled in a regional climate model to quantitatively assess their skill in preserving the imposed ± 5℃ anomalies on the initial land surface and subsurface temperature (LST/SUBT) and generating the 2-m air temperature (T2m) anomalies over Tibetan Plateau (TP) during May-August. The memory of the LST/SUBT initial anomalies (surface/soil memory) is defined as the first time when time series of the differences in daily LST/SUBT cross the zero line during the simulation, with the unit of days. The memory of the T2m anomalies (T2m memory) is defined in the same way. The ensemble results indicate that the simulated soil memory generally increases with soil depth, which is consistent with the results based on the observations with statistic methods. And the soil memory is found to change rapidly with depth above ~ 0.6-0.7m and vary gradually below it. The land models have fairly long soil memories, with the regional mean 1.0-m soil memory generally longer than 60 days. However, they have short T2m memory, with the regional means generally below 20 days. This may bring a big challenge to use the LST/SUBT approach on sub-seasonal to seasonal (S2S) prediction. Comparison between the three land models shows that CLM and Noah-MP have longer soil memory at the deeper layers ( > ~ 0.05m) while SSiB has longer T2m/surface memories and near-surface (\(\le\)~0.05m) soil memory. As a result, it is difficult to say which land model is optimal for the application of the LST/SUBT approach on the S2S prediction. The T2m/surface/soil memories are various over TP, distinct among the land models, and different between the + 5℃ and − 5℃ experiment, which can be explained by both changes in the surface heat fluxes and variances in the hydrological processes over the plateau.
Compressed Sensing System for a Fingerprint Image Recognition Using Sensing Matrix with Chaotic Model-Based Deterministic Row Indexes
Authors: Hailemariam Workneh Wolde , Gupta Pallavi 
Published: July 2021

Abstract
This paper proposes a novel design approach for a secured compressed sensing system for fingerprint sensing and transmission. In the proposed design, the first stage is acquiring the signal followed by sparsely modeling it using Orthogonal Matching Pursuit (OMP) algorithm then compressing. In addition to compressing, we multiply the sparse modeled data by a novel, deterministic, and partially orthogonal Discrete Cosine Transform (DCT) sensing matrix to guarantee its security. Furthermore, the construction of the sensing matrix uses a modified Multiplicative Linear Congruential Generator (MLCG) to select the row index appropriately from chaotically re-arranged rows of DCT pseudo-randomly. On the other hand, the compressed image's simultaneous recovery and decryption accomplished using a convex optimization method—the proposed system tested by employing different image and security assessment techniques. The results show that we have archived a better Peak Signal to Noise Ratio (PSNR) than the recommended value for wireless transmission using samples below 25%.
“Enhancement of Vincristine Under In Vitro Culture of Catharanthus Roseus Supplemented With Alternaria Sesami Endophytic Fungal Extract As Biotic Elicitor”
Authors: Birat Kanchan , Siddiqi Tariq Omar , Mir Showkat Rasool , Aslan Junaid , Bansal Rakhi , Khan Wasim , Panda Bibhu Prasad 
Published: July 2021

Abstract
Vincristine, one of the major vinca alkaloid of Catharanthus roseus(L.) G. Don. (Apocynaceae) was enhanced under in vitro culture of C.roseus using fungal extract of an endophyte Alternaria sesami isolated from the surface-sterilized root cuttings of C.roseus. Vindoline, a precursor molecule of Vincristine was detected for the first time from the fungal endophyte A.sesami which was used as biotic elicitor to enhance Vincristine content in the C.roseus callus.It was identified using high performance liquid chromatography and mass spectroscopy techniques by matching retention time and mass data with reference molecule. Supplementing heat sterilized A.sesami endophytic fungal culture extract into callus culture medium of C. roseus enhanced the Vincristine content in C. roseus callus by 21.717% after 105 day culture.
Grey Wolf Optimization Based Energy Efficiency Management System for Wireless Sensor Networks
Authors: Pratha S. Jaya , Asanambigai V. , Mugunthan S.R. 
Published: July 2021

Abstract
Wireless Sensor Networks (WSN) is the fundamental technology for the Internet of Things (IoT). It is a network formed from several sensor nodes to sense the changes in the environment. The nodes are battery powered that performs sensing and transmission of information to other nodes in the network. Thus, the energy of the sensor node plays a crucial role in WSN. Thus, intelligent models are anticipated to solve the network problems by optimizing or minimizing the mechanism inorder to improve the energy efficiency. In this paper, a combined meta-heuristic approach called Grey Wolf Optimization based Game theoretical Approach (GWOGA) is proposed that helps for clustering to find the best solutions for selection of aggregation points and this optimal selection of aggregation points lead the nodes to maximize its battery/lifetime. Experimental and simulation analysis shows that the GWOGA outperforms the existing models and retains the lifetime of the network.
Metformin Inhibits BMP9-Induced Proliferation and Differentiation of Human Lung Fibroblasts via AMPK Signaling
Authors: Chen Qiongfeng , Wang Yaqun , Sheng Linna , Yang Zhijun , Ying Ying , Huang Yonghong 
Published: July 2021

Abstract
Adenosine monophosphosphate-activated protein kinase (AMPK) and its activator metformin were found to be involved in the regulation of fibroblast activation and pulmonary fibrosis. However, the regulatory mechanism has been undetermined. Recently, AMPK has been reported to exert its effect through inhibiting bone morphogenetic protein (BMP) pathway. In this study, HFL-1 cells were treated with metformin or specific AMPKα1 mutants, including constitutively activated mutant (AMPK-CA) and dominant negative mutant (AMPK-DN), combined with BMP9, and then the absorbance of these cells was measured by cell counting kit (CCK)-8 assay. The colony number of HFL-1 cells stimulated by metformin with or without BMP9 was examined by colony formation assay. The protein expressions of differentiated markers (α-smooth muscle actin, collagen I and collagen III) and the key molecules of BMP9 signaling, including activin receptor-like kinase (ALK) 1 and phosphorylated small mother against decapentaplegic (p-Smad)1/5, were also evaluated by western blot. Data revealed that BMP9 induced the proliferation and differentiation of HFL-1 cells which was suppressed by metformin or AMPK-CA. Meanwhile, the effect of metformin on BMP9-induced activation was counteracted by AMPK-DN. In addition, we found that the expressions of ALK1 and p-Smad1/5 induced by BMP9 were attenuated by metformin and AMPK-CA, whereas the inhibitory responses of metformin to the increased ALK1 and p-Smad1/5 were reduced by AMPK-DN. Accordingly, these results suggested that metformin mitigated BMP9-induced proliferation and differentiation of HFL-1 cells, which was achieved partly through the activation of AMPK and inhibition of ALK1/Smad1/5 signaling.
The Power Analysis of 1T-DRAM Cell with Different FET technologies
Authors: Addala Durgesh , Sinha Sanjeet Kumar , Chandu Gadiparthi Mohan 
Published: July 2021

Abstract
DRAM’s are essential for memory-based electronics devices and the usage of RAM is increasing day by day to reach the user's expectation the products are get designed based on low power and portable. Power dissipation is a major issue to solve this issue researchers are focusing on low power circuits and trying to design the circuits with less number of the transistor so that it will consume less amount of power. In this paper, three structures are presently based on MOSFET technology and CNTFET technology. MOSFET model structures are divided into two they are 1.DRAM circuit with Tri-state buffers and 2. DRAM circuit without Tri-state buffers. CNTFET based structure is built with the help of ‘CarbonNanoTube-FET’s and the structure is the same as DRAM without Tri-state buffers. Power analysis, voltage, delay are evaluated with the help of cadence virtuoso and LTspice Tools.
Investigation of Low Frequency Noise-current Correlation for the InAs/GaSb T2SL Long-wavelength Infrared Detector
Authors: Wang Liang , Zhu Liqi , Xu Zhicheng , Wang Fangfang , Chen Jianxin , Chen Baile 
Published: July 2021

Abstract
In this paper, a mesa-type 256×8 long-wavelength infrared detector is prepared by using InAs/GaSb type-II superlattice material with double barrieres structure. the area of each pixel is 25×25 μm2. The cut-off wavelength and dark current density of the detector at -0.05 V bias with liquid nitrogen temperature is 11.5 μm and 4.1×10-4 A/cm2, respectively. The power spectrum of low-frequency noise (1/f noise) at different temperatures have also been fitted by the Hooge model, and the correlations with dark current are extracted subsequently. The results shown that the 1/f noise of the detector is mainly caused by the generation-recombination current at a low reverse bias, however, when the reverse bias is high, the 1/f noise should be expressed by the sum of Igr noise and Ibtb noise which is ignored in the previous research. The 1/f noise-current correlation assessed in this work can provide insights into the low frequency noise characteristics of long-wavelength T2SL InAs/GaSb detectors, and allow for a better understanding of the main source of low-frequency noise.