bluuebunny/crossref_metadata_2025 huggingface dataset:
Peter Koch, A Man and His Legacy
Authors: “Dick” Baldwin Richard F.
Published: June 2022

During 1973, Peter Koch joined Thomas Edison, Mme. Curie, the Wright Brothers and other “most deserving” men and women in receiving the John Scott Award. This award first given in 1822, recognizes those individuals “whose inventions have contributed in some outstanding way to the ‘comfort, welfare and happiness’ of mankind (The John Scott Award, 2017).”

Credited for the invention of the chipping headrig; Peter is best remembered as the renowned Chief Wood Scientist, Southern Forest Experiment Station, USDA Forest Service. He was a man on a mission linking basic wood research with innovative applications within the wood products industry. Best characterized as indefatigable; and a doer; he had a pace to match. He became a leading American authority on applied wood science.
Ants (Hymenoptera: Formicidae) increase predation of Belenois solilucis (Lepidoptera: Pieridae) eggs in organic agriculture production systems: a multiple-site field study at Rashad, Sudan
Authors: Eisawi Khalid , Subedi Indra Prasad , Yodé Christine Dakélé , He Hong
Published: June 2022

Organic farming is becoming more popular as there is a greater demand for pesticide-free food. Pest control in organic agricultural production requires a set of skills, including the identification of effective predators and land-use practices. Predation by selected Coleopteran, Dipteran, and Hemipteran insects and Araneae is well established, whereas the predatory role of ants (Hymenoptera: Formicidae) has received little attention in the Rashad district, Sudan. This study was carried out to assess the predation rates of Belenois solilucis eggs and the impact of the land use type around the properties on these rates. An experimente involving predation tests on Belenois solilucis eggs and fauna sampling were conducted in 18 areas of organic agriculture in the Rashad district. The study showed that ants can reduce the eggs population by 26.8% per day. At the same time, other predator taxa, primarily Coleoptera, from Coccinellidae and Staphylinidae families, removed only 13% of the eggs. Ant species with the most significant recruiting power were Axinidris acholli, Tapinoma carininotum, and Technomyrmex moerens. Ant genera such as Linepithema, Dorymyrmex, and Camponotus ants were also frequently observed. The proportion of the planted area within a 500-meter radius, in addition to the interaction of other landscape categories, had a minor influence on predation, but only when the predators were not ants. The landscape does not affect predation by predators in general, including ants, or on ant predation in particular.
Arkeolojide Görüngübilim: Öz ve Anlam Sorunu
Authors: USANMAZ Uygar Ozan
Published: June 2022

Kültür tarihçiliğinin 1960'lı yıllarla etkisini kaybetmesiyle arkeolojide bilimsel, pozitivist, ve antropolojik yaklaşımlar ön plana çıkmaya başlamıştır. Ancak "Yeni Arkeoloji" olarak adlandırılan disiplinde değişen sadece araştırma nesnesi olmuş, araştırma odağına kişi yerine dünya konularak Aydınlanma Çağı'nın temsilci geleneği devam ettirilmiştir. 1980'lerden itibaren geliştirilen postyapısalcı ve yorumlayıcı arkeoloji ise maddi kültürün anlamlı bir şekilde yapılandırılabilir olduğunu vurgulaması bakımından önem arz etmiştir. Postyapısalcılığın bir bakımdan idealizme dönüş olduğu gerçeği son yıllarda kuramsal arkeolojide ontolojiyi baz alan akımların oluşmasına katkı sunmuştur. Son yıllarda görüngübilimsel arkeoloji bu akımlardan en dikkat çekeni olarak karşımıza çıkmaktadır. Görüngübilim, arkeolojide peyzajların deneyimlenerek betimlenmesine dayanan bir araştırma yöntemi olarak kullanıl-maktadır. Ancak gerek görüngübilimin arkeolojiye uyarlanabilirliği, gerekse de elde edilen verilerin nesnelliği araştırmacılar arasında tartışma konusu olmuştur. Güncelliğini koruyan bu tartışmalar ışığında beliren öz ve anlam sorunu bu çalışmada ele alınmıştır. Görüngübilimsel arkeolojide öz ve anlam sorununun aşılabilmesi amacıyla Heideggerci yaklaşıma karşı Deleuzecü bakış açısı önerilmiştir. Deleuze felsefesi görüngübilimsel arkeolojinin miras aldığı temsil edici unsurları ortadan kaldırmakla birlikte görüngübilimin arkeolojiye nasıl uyarlanması gerektiği konusunda da bir çıkış yolu sunmaktadır.
Gaussian random field generator for simulating partially coherent undulator radiation
Authors: Trebushinin Andrei , Geloni Gianluca , Rakshun Yakov , Serkez Svitozar
Published: June 2022

Wavefront propagation codes play pivotal roles in the design of optics
at synchrotron radiation sources. However, they usually do not account
for the stochastic behavior of the radiation field originating from
shot noise in the electron beam. We propose a computationally
efficient algorithm to calculate a single statistical realization of
partially coherent synchrotron radiation fields at a given frequency.
This field can be consequently propagated from the source position
downstream through an optical beamline to the sample position. The
proposed algorithm relies on a method for simulating Gaussian random
fields. We initially generate the radiation field as Gaussian white
noise and then restrict it in both real and inverse space domains for
a given radiation size and divergence. We exploit the assumption of
quasi-homogeneity of the source. However, we show that the method is
applicable with reasonable accuracy outside of this assumption. The
proposed algorithm is consistent with other well-established
approaches, and, in addition, it possesses an advantage in terms of
computational efficiency. It can be extended to other types of sources
that follow Gaussian statistics. Finally, the demonstration of the
algorithm is well suited for educational purposes.
A framework for assessing the impact of accelerated approval
Authors: Gould A. Lawrence , Campbell Robert K. , Loewy John W. , Beckman Robert A. , Dey Jyotirmoy , Schiel Anja , Burman Carl-Fredrik , Zhou Joey , Antonijevic Zoran , Miller Eva R. , Tang Rui
Published: June 2022

The FDA’s Accelerated Approval program (AA) is a regulatory program to expedite availability of products to treat serious or life-threatening illnesses that lack effective treatment alternatives. Ideally, all of the many stakeholders such as patients, physicians, regulators, and health technology assessment [HTA] agencies that are affected by AA should benefit from it. In practice, however, there is intense debate over whether evidence supporting AA is sufficient to meet the needs of the stakeholders who collectively bring an approved product into routine clinical care. As AAs have become more common, it becomes essential to be able to determine their impact objectively and reproducibly in a way that provides for consistent evaluation of therapeutic decision alternatives. We describe the basic features of an approach for evaluating AA impact that accommodates stakeholder-specific views about potential benefits, risks, and costs. The approach is based on a formal decision-analytic framework combining predictive distributions for therapeutic outcomes (efficacy and safety) based on statistical models that incorporate findings from AA trials with stakeholder assessments of various actions that might be taken. The framework described here provides a starting point for communicating the value of a treatment granted AA in the context of what is important to various stakeholders.
Voting behavior during FDA Medical Device Advisory Committee panel meetings
Authors: Maisel-Campbell Amanda , Schlessinger Daniel I. , Yanes Arianna F. , Veledar Emir , Reynolds Kelly A. , Ibrahim Sarah A. , Kang Bianca Y. , Anvery Noor , Poon Emily , Alam Murad
Published: June 2022

Objectives

During premarket review, the US Food and Drug Administration may ask its Medical Device Advisory Committee (MDAC) Panels to assess the safety and effectiveness of medical devices being considered for approval. The objective of this study is to assess the relationship, if any, between individual votes and Panel recommendations and: (1) the composition of Panels, specifically the expertise and demographic features of individual members; or (2) Panel members’ propensity to speak during Panel deliberations.

Methods

This was a retrospective cohort study of routinely collected data from voting members of MDAC panels convened between January 2011 to June 2016 to consider premarket approval. Data sources were verbatim transcripts available publicly from the FDA. Number of words spoken, directionality of votes on device approval, profession, and demographics were collected.

Results

658,954 words spoken by 536 members during 49 meetings of 11 Panels were analyzed. Based on multivariate analysis, biostatisticians spoke more (+373 words; P = 0.0002), and women (-187 words; P = 0.0184) and other non-physician voting members less (-213 words; P = 0.0306), than physicians. Speaking more was associated with abstaining (P = 0.0179), and with voting against the majority (P = 0.0153). Non-physician, non-biostatistician members (P = 0.0109), and those having attended more meetings as a voting member (P = 0.0249) were more likely to vote against approval. In bivariable analysis, unanimous Panels had a greater proportion of biostatisticians (mean 0.1580; 95% CI 0.1237–0.1923) than non-unanimous Panels (0.1107; 95% CI 0.0912–0.1301; p = 0.0201).

Conclusions

Panelists likely to vote against the majority include non-physician, non-biostatisticians; experienced Panelists; and more talkative members. The increased presence of biostatisticians on Panels leads to greater voting consensus. Having a diversity of opinions on Panels, including in sufficient numbers those members likely to dissent from majority views, may help ensure that a diversity of opinions are aired before decision-making.
Adverse events related to ultrasound-guided regional anesthesia performed by Emergency Physicians: Systematic review protocol
Authors: Stickles Sean P. , Kane Deborah Shipley , Kraus Chadd K. , Strony Robert J. , Ablordeppey Enyo A. , Doering Michelle M. , Theodoro Daniel , Lee Jacques Simon , Carpenter Christopher R.
Published: June 2022

The use of ultrasound-guided regional anesthesia for pain management has become increasingly prevalent in Emergency Medicine, with studies noting excellent pain control while sparing opioid use. However, the use of ultrasound-guided regional anesthesia may be hampered by concern about risks for patient harm. This systematic review protocol describes our approach to evaluate the incidence of adverse events from the use of ultrasound-guided regional anesthesia by Emergency Physicians as described in the literature. This project will also seek to document the scope of ultrasound-guided regional anesthesia applications being performed in Emergency Medicine literature, and potentially serve as a framework for future systematic reviews evaluating adverse events in Emergency Medicine.
Cost-effectiveness analysis of durvalumab as a maintenance treatment for patients with locally advanced, unresectable, stage Ⅲ nsclc in china
Authors: Jiang Xiaotong , Chen Jinyu , Zheng Min , Jia Hanxue
Published: June 2022

Objective

The aim of this study was to evaluate the cost-effectiveness of durvalumab compared with Best supportive care (BSC) after chemoradiotherapy in patients with stage III non-small cell lung cancer from healthcare system perspective in China.

Methods

A dynamic state transition model was adopted to simulate life time, direct medical costs and QALYs. In the base case scenario, for patients with unresectable, stage Ⅲ non-small cell lung cancer whose disease has not progressed after platinum-based chemoradiation therapy, the treatment group would use durvalumab whereas the control group would use BSC. Clinical data and health utility were derived from the patient-level data of Asian ethnicity in the PACIFIC trial. Cost of drug acquisition, follow-up, medical service, inspection, terminal care and adverse event treatment were considered in this model. The cost of durvalumab was calculated based on retail prices and Patient Assistance Program.

Results

In the base case, the durvalumab group yielded an additional 2.60 LYs and 2.37QALYs (discounted), causing an additional cost of 0.459 million RMB and 0.109 million RMB without and with PAP, so the ICER was 193,898 RMB/QALY and 46,093.12 RMB/QALY respectively.

Conclusions

This study demonstrated that durvalumab can improve the survival of patients with unresectable, stage Ⅲ non-small cell lung cancer whose disease has not progressed after platinum-based chemoradiation therapy and would be a cost-effective option compared with BSC at a willingness to pay (WTP) threshold of 212676 RMB (three times GDP per capita of China in 2019).
Serology suggests adequate safety measures to protect healthcare workers from COVID-19 in Shiga Prefecture, Japan
Authors: Chano Tokuhiro , Morita Shin-ya , Suzuki Tomoyuki , Yamashita Tomoko , Fujimura Hirokazu , Yuri Tatsushi , Menju Masakazu , Tanaka Masaaki , Kakuno Fumihiko
Published: June 2022

Healthcare workers (HCWs), especially frontline workers against coronavirus disease 2019 (COVID-19), are considered to be risky because of occupational exposure to infected patients. This study evaluated the correlation between seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies among HCWs and the implementation of personal protective equipment (PPE) & infection prevention and control (IPC). We recruited 1237 HCWs from nine public COVID-19-designated hospitals in Shiga Prefecture, central Japan, between 15–26 February 2021. All participants answered a self-administered questionnaire and provided blood samples to evaluate SARS-CoV-2 antibodies. A total of 22 cases (1·78%) were seropositive among the 1237 study participants. An unavoidable outbreak of SARS-CoV-2 had occurred at the terminal care unit of one hospital, before identifying and securely isolating this cluster of cases. Excluding with this cluster, 0·68% of HCWs were suspected to have had previous SARS-CoV-2 infections. Binomial logistic regression from individual questionnaires and seropositivity predicted a significant correlation with N95 mask implementation under aerosol conditions (p = 8.63e-06, aOR = 2.47) and work duration in a red zone (p = 2.61e-04, aOR = 1.99). The institutional questionnaire suggested that IPC education was correlated with reduced seropositivity at hospitals. Seroprevalence and questionnaire analyses among HCWs indicated that secure implementation of PPE and re-education of IPC are essential to prevent SARS-CoV-2 infection within healthcare facilities. Occupational infections from SARS-CoV-2 in healthcare settings could be prevented by adhering to adequate measures and appropriate use of PPE. With these measures securely implemented, HCWs should not be considered against as significantly risky or dirty by local communities.
Kinesthetic motor-imagery training improves performance on lexical-semantic access
Authors: Bonnet Camille , Bayram Mariam , El Bouzaïdi Tiali Samuel , Lebon Florent , Harquel Sylvain , Palluel-Germain Richard , Perrone-Bertolotti Marcela
Published: June 2022

The objective of this study was to evaluate the effect of Motor Imagery (MI) training on language comprehension. In line with literature suggesting an intimate relationship between the language and the motor system, we proposed that a MI-training could improve language comprehension by facilitating lexico-semantic access. In two experiments, participants were assigned to a kinesthetic motor-imagery training (KMI) group, in which they had to imagine making upper-limb movements, or to a static visual imagery training (SVI) group, in which they had to mentally visualize pictures of landscapes. Differential impacts of both training protocols on two different language comprehension tasks (i.e., semantic categorization and sentence-picture matching task) were investigated. Experiment 1 showed that KMI training can induce better performance (shorter reaction times) than SVI training for the two language comprehension tasks, thus suggesting that a KMI-based motor activation can facilitate lexico-semantic access after only one training session. Experiment 2 aimed at replicating these results using a pre/post-training language assessment and a longer training period (four training sessions spread over four days). Although the improvement magnitude between pre- and post-training sessions was greater in the KMI group than in the SVI one on the semantic categorization task, the sentence-picture matching task tended to provide an opposite pattern of results. Overall, this series of experiments highlights for the first time that motor imagery can contribute to the improvement of lexical-semantic processing and could open new avenues on rehabilitation methods for language deficits.
Promoting healthy lifestyles among nurse trainees: Perceptions on enablers and barriers to dietary and physical activity behaviours
Authors: Doegah Phidelia Theresa , Acquah Evelyn
Published: June 2022

Introduction

Promoting healthy lifestyles is important to protect against obesity and non-communicable diseases. However, there is a lack of understanding of the enablers and barriers to healthy lifestyles (dietary and physical activity) among pre-service nursing trainees in Ghana. This study therefore aims to examine the perceived practice, enablers and barriers in adopting healthy dietary and physical activity behaviours.

Materials and methods

Cross-sectional qualitative, one-on-one in-depth interviews with a semi-structured guide were conducted with 16 nursing trainees (public health nursing) (aged: 18–25 years) in the School of Nursing and Midwifery, University of Health and Allied Sciences. Participants were selected based on body mass index (underweight, normal, over-weight, and obesity) classification of the world health organization. The interviews were audio-recorded and transcribed. Data analysis was manually carried out.

Results

Enablers and barriers were grouped into levels of individual (intrapersonal), social environment, physical environment, and university factors based on ecological model initially formulated by Bronfenbrenner’s. Enablers to healthy dietary behaviour were self-discipline, dietary knowledge, social support, and access/availability. Enablers related to physical activity mentioned were body image, social support, and the existence of student societies. Barriers to healthy dietary behaviour included upbringing, preference, accessibility, safety/appearance, and studies/lectures. Barriers mentioned in relation to physical activity include a busy lifestyle, inadequate feeding, studies/academic activity, student societies, upbringing, and social support.

Conclusion

A program to support healthy lifestyles for nursing trainees is needed. Specifically, in terms of developing and implementing interventions to overcome barriers and promote facilitators to adopt healthy dietary and physical activity behaviours whilst in training.
Analysis on the green total factor productivity of pig breeding in China: Evidence from a meta-frontier approach
Authors: Zhong Shen , Li Junwei , Guo Xiangyu
Published: June 2022

The pig industry occupies an extremely significant position in agriculture. The input cost, output income and the amount of pollution emitted by pig farming of different scales are unequal. It is of great practical importance to reduce pollutant emission by improving efficiency for the development of hog breeding industry in China. With the addition of undesirable output, this paper uses the Slack Based Measure- Metafrontier Malmquist Luenberger index model considering scale heterogeneity to explore the evolution characteristics of China’s green total factor productivity of pig breeding (GTPB) based on the data of China’s 17 major pig producing provinces from 2004 to 2018. The results indicate that: (1) From 2004 to 2018, China’s large-scale GTPB is the highest, the medium-sized is the second, and the small-scale is the lowest. (2) In terms of regional distribution, China’s GTPB in western region is the highest, in eastern region is the second, and in central region is the lowest. (3) China’s GTPB shows efficiency growth and technological decline from 2004 to 2018. The pig breeding industry is generally fragile, which is greatly affected by emergencies. (4)The TGR of large-scale pig breeding is closest to 1, followed by middle-scale, and finally small-scale. According to the above empirical results, this text puts forward some policy suggestions to improve GTPB and environmental protection recommendations of hog breeding.
‘This Is Who I Am’
Authors: Hartwig Kalvin , Turin Mark
Published: June 2022

This dialogue between Anishinaabe scholar and filmmaker, Kalvin Hartwig, and board member Mark Turin explores Indigenous identity, language revitalization, reclamation and resurgence and the pernicious legacy of settler colonialism.
Bridges of hope: IBBY Ireland projects for a changing population
Authors: Thomas Debbie , Feeney Tatyana
Published: June 2022

Migration and storytelling are defining and entwined features of humanity. Throughout history, people have travelled, in body and mind, exploring new places and ideas either by choice or necessity. Migration establishes cultural connections and imaginative possibilities, like new neural pathways in the collective human brain. This article explores workshops, designed and run in Ireland by children’s author Debbie Thomas and children’s author and illustrator Tatyana Feeney, who have used creative writing and illustration to build bridges between immigrants and Irish nationals, mainly children. We will describe cross-cultural workshops we have facilitated with children around Ireland and then focus on three major projects: Once upon a Folktale and Nation Creation (with children in mainstream Irish primary schools) and Connections (with Syrian refugees). In each project, Debbie oversaw the writing and Tatyana, the illustrations. All three projects have bridged cultures and enriched young participants, teachers and facilitators both culturally and creatively.
Families separated and detained at the border: A photo essay
Authors: Gates Leslie
Published: June 2022

The artist’s book, Families Separated and Detained at the Border, features 10 cyanotypes that visually communicate messages about being detained and separated. The cyanotypes, presented in sheer vellum envelopes, are reminiscent of postcards that one might mail home. However, the haunting imagery suggests the story is not about a vacation, but rather, a desperate situation. The cyanotypes are flanked by a front and back cover using idealistic family imagery. The metal cage and quick links create a strong visual statement in an attempt to document the outrage, sadness, and helplessness the artist feels about thousands of asylum-seekers being held in inhumane conditions at the US/Mexico border.
Metastatic Anal Squamous Cell Carcinoma Presenting as an Indeterminate Biliary Stricture Diagnosed By Cholangioscopy
Authors: Nahar Ritu , Holmes Ian , Baliff Jeffrey , Chiang Austin , Kowalski Thomas
Published: June 2022

Anal squamous cell carcinoma (SCC) rarely metastasizes outside the pelvis. Although liver involvement has been described, biliary strictures from metastatic disease are exceedingly rare. We report a case of a patient with metastatic anal SCC presenting as a biliary stricture, which was identified on endoscopic retrograde cholangiopancreatography with single-operator cholangioscopy. Direct visualization of the stricture with single-operator cholangioscopy may prove critical in obtaining a timely diagnosis. Therapeutic options for metastatic anal SCC are limited, but chemotherapy can be considered, and surgical resection is an option for limited disease.
Recalcitrant Gastric Actinomycosis Treated With Over-the-Scope Clip
Authors: McDonald Nicholas M. , Luz Leticia P. , Amin Khalid , Amateau Stuart K.
Published: June 2022

Actinomycosis is an infrequent infection caused by Actinomyces species bacteria. Gastric actinomycosis is extremely rare but has been identified on endoscopy, typically presenting as erythema or ulceration. Standard therapies include prolonged antibiotics, and when these fail, gastric actinomycosis often requires surgical resection. We present a case of recalcitrant gastric actinomycosis, which presented as a subepithelial lesion and the first demonstration of treatment with endoscopic resection through over-the-scope clip.
Carnitine Deficiency in an Adult With Short Bowel Syndrome After Surgical Resection
Authors: Kamel Amir Y. , Ruiz Nicole C. , Murray Melissa R. , Gayle Ansley M. , Pham Angela , Beduschi Thiago , Rosenthal Martin D.
Published: June 2022

Carnitine is an essential cofactor for fatty acid metabolism. Deficiencies can be associated with muscle weakness, fatigue, weight loss, and cardiomyopathies. A 27-year-old woman with short bowel syndrome (SBS) presented with significant weight loss, fatigue, and muscle wasting despite adequate parenteral nutrition. Her laboratory test results revealed carnitine deficiency secondary to malnutrition. Levocarnitine supplementation was initiated with normalization of her carnitine levels. Her fatigue improved, and her weight returned to baseline. Carnitine deficiencies are seldomly reported in adults, particularly those with SBS. Carnitine deficiency should be suspected and corrected in patients with SBS and malabsorptive capacity due to surgical resection.
Hydrological Topography Data Set (HTD)— the Data Set for High Resolution 2D Urban Flood Modeling
Authors: Chang Che-Hao , Hsu Chih-Hung , Hsu Chih-Tsung , Wu Shiang-Jen , Chung Po-Hsien
Published: June 2022

This study investigated the demand of data for better high resolution two-dimensional (2D) hydraulic modeling and proposes a data set named "Hydrological Topography Data Set" (HTD for short) for this purpose. Derived from airborne lidar point cloud, the HTD comprises three parts: (1)
High Resolution Hydraulic Three-Dimensional Features: high resolution three-dimensional vector data that preserves the locations and elevations of topography breaklines, (2) Hydraulic Digital Elevation Model: high resolution (1 × 1 m) DEM enhanced by the terrain breaklines to preserve
the landscape characteristics, and (3) Hydraulic Digital Surface Model: high resolution (1 × 1 m) DSM conditioned by removing the height of vegetation and temporary objects. With HTD, hydraulic features such as drainages with 10 m of width can be identified and properly set up in numerical
models, thus can help simulating and access- ing the flood in urban area more in detail. Through case studies we demonstrate how HTD can affect the results of hydraulic modeling. The results show that HTD can help modelers to construct proper mesh (or computational grids) for 2D hydraulic
modeling, and pre- serve topography characteristics (i. e., shape and elevation), which improves the modeling results in terms of spatial resolution and physical rationality, while still keeping the computation efficient.
Improving Land Cover Classification Over a Large Coastal City Through Stacked Generalization with Filtered Training Samples
Authors: Lai Feilin , Yang Xiaojun
Published: June 2022

To improve remote sensing-based land cover mapping over heterogenous landscapes, we developed an ensemble classifier based on stacked generalization with a new training sample refinement technique for the combiner. Specifically, a group of individual classifiers were identified and
trained to derive land cover information from a satellite image covering a large complex coastal city. The mapping accuracy was quantitatively assessed with an independent reference data set, and several class probability measures were derived for each classifier. Meanwhile, various subsets
were derived from the original training data set using the times of being correctly labeled by the individual classifiers as the thresholds, which were further used to train a random forest model as the combiner in generating the final class predictions. While outperforming each individual
classifier, the combiner performed better when using the class probabilities rather than the class predictions as the meta-feature layers and performed significantly better when trained with a carefully selected subset rather than with the entire sample set. The novelties of this work are
with the insight into the impact of different training sample subsets on the performance of stacked generalization and the filtering technique developed to prepare training samples for the combiner leading to a large accuracy improvement.
Dampak dan Terapi Non-Farmakologis Periodontitis pada Ibu Hamil; Kajian Literatur
Authors: Apriani Lia Arian , Sunarjo Lanny , Widyawati Melyana Nurul , Wiguna Reza Indra
Published: June 2022

Introduction: According to WHO, periodontitis is a disease that affects about 20-50% of the world’s population. Periodontitis in pregnancy is often associated with poor pregnancy outcomes. Nowadays, periodontitis therapy is still giving antibiotics and mouth rinses (chlorhexidine) to reduce the dental plaque. However, these therapies have side effects in the form of antibiotic resistance, allergies and mouth irritation. Therefore, a non-conventional therapeutic that is more effective and safe is needed. Brown seaweed (Sargassum sp) is a promising alternative to its natural potential compounds as periodontitis therapy. The purpose of this study was to analyze the effect of Sargassum sp and the impact of periodontitis on pregnancy. Methods: This research is a systematic literature review by searching literature through various databases on; PubMed, Cochrane, ScienceDirect, and Google Scholar. The literature was examined in the span of 2015 to 2020. The criteria and keywords were; Sargassum and Periodontitis; Periodontitis and Pregnancy; Periodontal Disease and Pregnancy. Results: The results of this review found 12 articles that showed that periodontitis is one of the risk factors in pregnancy such as; preeclampsia, LBW, and premature. Furthermore, 9 other articles discussed the antibacterial and anti-inflammatory activity contained in Sargassum sp, which can inhibit the development of P.gingivalis and its virulence factors. Conclusion: The conclusion is metabolites of Sargassum sp “alginate” were able overcomed periodontitis in pregnancy. Thus, further research is expected to be able to intervene directly and analyze more broadly about the effect of Sargassum sp on periodontitis in pregnancy.
Faktor Resiliensi pada Tunanetra Laki-laki Dewasa: Scooping review
Authors: Kusumaningrum Ervia , Dewi Nur Setiawati , Andriany Megah
Published: June 2022

Introduction: The prevalence of visually impaired in Indonesia has increased significantly every year. The visually impaired condition is often used by unscrupulous persons to become victims of criminal acts because of their powerlessness. Blind people need resilience to survive in the conditions experienced. There have been many studies on resilience in the blind in general, but none has specifically reviewed the visually impaired adult male. This study aims to reviewed resilience factors of visually impaired adult male.Methods: The researcher used the scoping review method to get a clear picture of resilience factors of the blind adult male. Literature search was carried out using search keywords visually impaired, resilience factors, adult male blind. The database used is Scopus, PUBMED and Google Scholar. Articles inclusion criteria are articles reviewed of publication in the last 10 years (2010-2020), full and specific text are available with research question about the resilience of male blind adult.Result: Based on the identification, there were 166 articles from search engines Scopus, PUBMED and Google Scholar. There were six articles that match the criteria after going through the selection process. Resilience has many factors such as the environment, family and individual. The researcher used the PEO question format (population, exposure, outcome) to find related research articles.Conclusion: Blind people have more serious challenges in building resilience, so further studies need to be done to make interventions to help build resilience for male blind adults.
Heavy Metals (Hg, Cd, Pb, Cu) in Greenback Mullets (Planiliza subviridis Valenciennes, 1836) from Bojonegara coastal waters, Banten Bay, Indonesia
Authors: Afiyatillah Ghinarrahmi , Sulistiono Sulistiono , Hariyadi Sigid , Simanjuntak Charles PH , Riani Etty , Rostika Rita , Kleinertz Sonja
Published: June 2022

Waste from industrial activities can be a source of pollution for the waters of Banten Bay. One source of these pollutants are heavy metals. High concentrations of heavy metals in waters can pollute the aquatic environment, endangering all organisms. Heavy metals can accumulate in aquatic environments and living organisms such as fish. The greenback mullet Planiliza subviridis (Valenciennes, 1836) is known as a fish for human consumption. Heavy metals that are contained in mullets can move to a higher trophic level within the food chain and endanger the health of humans. This study aims to analyze the accumulation of heavy metals, such as Hg, Cd, Pb, and Cu, in the flesh of greenback mullets at Bojonegara Waters of Banten Bay. The research was carried out for five months (August - October 2020 and March - April 2021). Samplings were taken from Terate River and Wadas River, which are mullet fishing areas and natural habitats of these mullets. Data analysis consisted of descriptive and quantitative analyses. The results showed that the Hg, Cd, Pb, and Cu contents were below the quality standards based on Government Regulation of the Republic of Indonesia (PP RI) No. 22 of 2021. The greenback mullets have experienced a moderate accumulation rate. The different rates of Cu metal accumulation in each month indicate a variation in catches with low to moderate accumulation rates. The water conditions in Bojonegara can still be seen as tolerable and still suitable for mullets usable for human consumption in a reasonable amount. Monitoring and evaluation activities need to be carried out periodically for the management of the aquatic environment in Bojonegara.
Determinan Keberlanjutan Petani Sawit Swadaya dalam Rantai Pasok Multi-Jenjang
Authors: Nashr Fakhrizal , Putri Eka Intan Kumala , Dharmawan Arya Hadi , Akhmad Fauzi
Published: June 2022

Studi ini melihat determinan keberlanjutan petani sawit swadaya menurut pengaruh dan ketergantungannya pada tiga tipologi wilayah Kabupaten Kutai Kartanegara. Variabel kesesuaian lahan yang memiliki posisi paling penting terhadap sistem keberlanjutan. Determinan penyerapan tenaga kerja, peluang usaha lain dan akses finansial merupakan variabel terdampak. Sementara itu, determinan teknologi informasi dan sosial media serta hasil produksi sawit menunjukan variabel dengan sensitivitas tinggi dan sangat tidak stabil dalam rantai pasok perkebunan kelapa sawit swadaya. Intervensi apapun pada variabel-variabel yang disebut terakhir tidak akan stabil bagi pembangunan kelapa sawit serta akan memberikan dampak terhadap keseluruhan sistem keberlanjutan petani sawit swadaya. Hasil analisis MICMAC menjadi titik tolak faktor-faktor yang menentukan sistem rantai pasok petani sawit swadaya berada pada keberlanjutan atau sebaliknya di Kabupaten Kutai Kartanegara. Hasil merekomendasikan faktor kesesuaian lahan sebagai determinan strategis di tingkat kabupaten untuk mencapai rantai pasok yang kredibel bagi keberlanjutan dari tingkat lokal hingga nasional.
NARSİST LİDERLİK TARZININ BİREYSEL SONUÇLAR ÜZERİNE ETKİSİ: İŞ ÖZERKLİĞİNİN ROLÜ
Authors: YAĞICI Gülnur , AYDIN KÜÇÜK Burcu
Published: June 2022

Bu çalışmanın amacı, narsist liderlik algısının çalışanların psikolojik iyi oluşları üzerindeki etkisini ve
bu ilişkide işe yabancılaşmanın aracı rolünü anlamaktır. Ayrıca işe yabancılaşmanın psikolojik iyi oluş
üzerindeki etkisinde iş özerkliğinin düzenleyici rolü olduğu düşünülmektedir. Bu bağlamda İstanbul /
Türkiye’de farklı işletmelerde çalışan 272 kişinin katılımıyla kesitsel bir çalışma yapılmıştır. Araştırmanın
verileri, katılımcılara e-posta yoluyla gönderilen anket linkleri ile çevrimiçi olarak toplanmıştır. Kolayda
örnekleme yöntemiyle elde edilen veriler üzerinde geçerlik ve güvenirlik analizleri yapıldıktan sonra hipotez
testlerine geçilmiştir. Bulgular, narsist liderliğin çalışanların psikolojik iyi oluşları üzerinde olumsuz etkisi
olduğunu doğrulamaktadır. Ayrıca işe yabancılaşmanın narsist liderlik ile psikolojik iyi oluş arasındaki
ilişkide aracı rolü olduğunu doğrulamıştır. Aynı zamanda elde edilen sonuçlar, işe yabancılaşmanın
psikolojik iyi oluş üzerindeki etkisinde iş özerkliğinin önemli bir düzenleyici rolü olduğunu göstermiştir.
Positive rate‐dependent action potential prolongation by modulating potassium ion channels
Authors: Cabo Candido
Published: June 2022

Pharmacological agents that prolong action potential duration (APD) to a larger extent at slow rates than at the fast excitation rates typical of ventricular tachycardia exhibit reverse rate dependence. Reverse rate dependence has been linked to the lack of efficacy of class III agents at preventing arrhythmias because the doses required to have an antiarrhythmic effect at fast rates may have pro‐arrhythmic effects at slow rates due to an excessive APD prolongation. In this report, we show that, in computer models of the ventricular action potential, APD prolongation by accelerating phase 2 repolarization (by increasing IKs) and decelerating phase 3 repolarization (by blocking IKr and IK1) results in a robust positive rate dependence (i.e., larger APD prolongation at fast rates than at slow rates). In contrast, APD prolongation by blocking a specific potassium channel type results in reverse rate dependence or a moderate positive rate dependence. Interventions that result in a strong positive rate dependence tend to decrease the repolarization reserve because they require substantial IK1 block. However, limiting IK1 block to ~50% results in a strong positive rate dependence with moderate decrease in repolarization reserve. In conclusion, the use of a combination of IKs activators and IKr and IK1 blockers could result in APD prolongation that potentially maximizes antiarrhythmic effects (by maximizing APD prolongation at fast excitation rates) and minimizes pro‐arrhythmic effects (by minimizing APD prolongation at slow excitation rates).
On the abundance theorem for numerically trivial canonical divisors in positive characteristic
Authors: Ejiri Sho
Published: June 2022

In this paper, we prove the abundance theorem for numerically trivial canonical divisors on strongly F-regular varieties, assuming that the geometric generic fibers of the Albanese morphisms are strongly F-regular.
Optimization type of filler on electrochemical and thermal properties of gel polymer electrolytes membranes for safety lithium-ion batteries
Authors: Dyartanti Endah R. , Purwanto Agus , Jumari Arif , Paramitha Tika
Published: June 2022

Gel polymer electrolyte (GPE) membranes of polyvinylidene fluoride-based polymer matrix of different filler types such as nano-clay, ZnO, and SiO2 extracted from fly ash is produced using the non-solvent induced phase separation method. Moreover, the electrochemical properties, electrode compatibility, and the batteries performance are investigated using these gel electrolyte membranes. It is observed that gel electrolytes with nano-clay filler exhibited more stable ionic conductivity and charge–discharge performance than those containing ZnO and SiO2 extracted from fly ash. A maximum ionic conductivity of 5.62 × 10–3 S cm−1 was obtained with the addition of 8 wt% nano-clay filler at room temperature. The LiFePO4 performance assembled with these membranes is examined using coin cells (LiFePO4/GPE/graphite). After 50 cycles with a rate of 0.2 C, the battery with a different filler retained 97.7% of its initial capacity. It should be noted that this type of filler influences the electrolyte absorption, electrochemical properties, and performance of the LiFePO4.
Improved sequential autotuning of PI controllers for industrial-scale polymerization (ISP) reactor
Authors: Maniraman Priyadharsini , Dharmalingam Kalpana , Manickam Chidambaram
Published: June 2022

This current work proposes a refined investigation on the improved sequential relay autotuning method to compute the optimal parameters of the decentralized PI controller for Two Input Two Output (TITO) system using relay feedback method. The sustained oscillation occurring in the relay response with the sequential relay autotuning and the simultaneous relay autotuning method is analyzed by taking the higher-order harmonics into consideration and the efficient performance results of the decentralized PI control systems are obtained. These methods have been applied to an Industrial-Scale Polymerization (ISP) reactor transfer function model. In closed-loop studies, comparative analysis of autotuning methods has been carried out using simulation. The effect of measurement noise and robustness are studied in the proposed work. The robustness performance of the system using improved sequential relay autotuning is enhanced by 5–25% for servo operation and 11–40% for regulatory operation. The performance of the systems with the effect of measurement noise using improved sequential relay autotuning is enhanced by 2–24% for servo operation. Comparative analysis has been carried out with the improved sequential relay autotuning and the simultaneous relay autotuning method. It is observed that the proposed method provides improved closed-loop performances and less sum of Integral square error even in presence of robustness and effect of measurement noise.
Solutions to problems about potentially K

s,t
-bigraphic pair
Authors: Yin Jian-Hua , Zhang Liang
Published: June 2022

Let

S
=

(

a

1

,

…

,

a

m

;

b

1

,

…

,

b

n

)

S=\left({a}_{1},\ldots ,{a}_{m};\hspace{0.33em}{b}_{1},\ldots ,{b}_{n})

, where

a

1

,

…

,

a

m

{a}_{1},\ldots ,{a}_{m}

and

b

1

,

…

,

b

n

{b}_{1},\ldots ,{b}_{n}

are two nonincreasing sequences of nonnegative integers. The pair

S
=

(

a

1

,

…

,

a

m

;

b

1

,

…

,

b

n

)

S=\left({a}_{1},\ldots ,{a}_{m};\hspace{0.33em}{b}_{1},\ldots ,{b}_{n})

is said to be a bigraphic pair if there is a simple bipartite graph

G
=

(

X
∪
Y
,
E

)

G=\left(X\cup Y,E)

such that

a

1

,

…

,

a

m

{a}_{1},\ldots ,{a}_{m}

and

b

1

,

…

,

b

n

{b}_{1},\ldots ,{b}_{n}

are the degrees of the vertices in

X

X

and

Y

Y

, respectively. In this case,

G

G

is referred to as a realization of

S

S

. Given a bigraphic pair

S

S

, and a complete bipartite graph

K

s
,
t

{K}_{s,t}

, we say that

S

S

is a potentially

K

s
,
t

{K}_{s,t}

-bigraphic pair if some realization of

S

S

contains

K

s
,
t

{K}_{s,t}

as a subgraph (with

s

s

vertices in the part of size

m

m

and

t

t

in the part of size

n

n

). Ferrara et al. (Potentially H-bigraphic sequences, Discuss. Math. Graph Theory 29 (2009), 583–596) defined

σ

(

K

s
,
t

,
m
,
n

)

\sigma \left({K}_{s,t},m,n)

to be the minimum integer

k

k

such that every bigraphic pair

S
=

(

a

1

,

…

,

a

m

;

b

1

,

…

,

b

n

)

S=\left({a}_{1},\ldots ,{a}_{m};{b}_{1},\ldots ,{b}_{n})

with

σ

(

S

)

=

a

1

+
⋯
+

a

m

≥
k

\sigma \left(S)={a}_{1}+\cdots +{a}_{m}\ge k

is a potentially

K

s
,
t

{K}_{s,t}

-bigraphic pair. This problem can be viewed as a “potential” degree sequence relaxation of the (forcible) Turán problem. Ferrara et al. determined

σ

(

K

s
,
t

,
m
,
n

)

\sigma \left({K}_{s,t},m,n)

for

n
≥
m
≥
9

s

4

t

4

n\ge m\ge 9{s}^{4}{t}^{4}

. In this paper, we further determine

σ

(

K

s
,
t

,
m
,
n

)

\sigma \left({K}_{s,t},m,n)

for

n
≥
m
≥
s

n\ge m\ge s

and

n
+
m
≥
2

t

2

+
t
+
s

n+m\ge 2{t}^{2}+t+s

. As two corollaries, if

n
≥
m
≥

t

2

+

t
+
s

2

n\ge m\ge {t}^{2}+\frac{t+s}{2}

or if

n
≥
m
≥
s

n\ge m\ge s

and

n
≥
2

t

2

+
t

n\ge 2{t}^{2}+t

, the values

σ

(

K

s
,
t

,
m
,
n

)

\sigma \left({K}_{s,t},m,n)

are determined completely. These results give a solution to a problem due to Ferrara et al. and a solution to a problem due to Yin and Wang.
The Effect of Regular Exercise Training on Serum Level of Malondialdehyde
Authors: Mahmoud Tayfoor
Published: June 2022

Background and objective: Poly unsaturated fatty acids(PUFAs ) that contain two or more double bonds are particularly susceptible to oxidation by free radicals and other highly reactive species. Malondialdehyde( MDA) is one of many low molecular weight endproducts of lipid hydroperoxide decomposition and is the most often measured as an index of lipid peroxidation. The aim of the present study was to measure the serum level of MDA in healthy non athletics and athletics. Methods : This study was carried out during the period from April 2007 to September 2007 on 53 healthy non athletics (27 males and 26 females), and 31 healthy athletics (16 males and 15 females). Serum MDA level was measured colorimetrically using thiobarbituric acid method . Results: The mean value of serum MDA was significantly higher in healthy athletics than that of healthy non athletics (p<0.05). The mean value of serum MDA in females was non significantly higher than that of males (p>0.05) in both groups . The mean value of serum MDA was significantly higher in healthy non athletic smokers than that of non smokers (p<0.001) . Conclusion: Based on the findings of the present study , it can be concluded that regular exercise training causes excess lipid peroxidation and generation of significant amounts of MDA, one of the most important harmful free radicals .Therefore athletics should take a diet rich in antioxidants or appropriate amount of antioxidant vitamins ( A, C,and E) .
Prevalence of Alcohol Use among Medical College Students in Hawler Medical University
Authors: Ali Sirwan , Sabir Jwan
Published: June 2022

Background and objective: Moderate and Heavy/binge alcohol drinking among medical college students have become a major public health problem. There is consistent evidence suggesting that young adults in college are drinking more than their non–college-attending peers, but it is still not clear whether they are more likely to suffer from clinically significant alcohol use disorders. This article reports the first national assessment of patterns of drinking habit among Medical Colleges. The aim of this study was to monitor the use of alcohol and to search for intervention and prevention strategies in Medical college communities. Methods: This is a cross-sectional study. Young adults students (n = 342) in four Medical College in Hawler Medical University were studied from the period between 20th Feb 2007- 20th April 2007 regarding use of alcohol, they were between 17-29 years old, 36% female, 64% male. A semi structured Questionnaires were distributed to students living in the four Medical colleges. The questionnaires asked for information on age, residency (how long they had lived in the college) and what substances they had used in the 6 months prior to the study (cigarettes, alcohol). The students also asked about academic and social activities. The data were expressed as descriptive frequencies and percentages. Results: 19.3% of college students (18, 4% of men, 0.9% of women) has occasional alcohol drink in the in the past 6 month, 4.4% has moderate to binge drinking which was completely among male students, students from College of Medicine form the higher rate of alcohol users (12.8%), while College of Nursing form the lowest rate (0.6%). Bars and restaurant form the major drinking context for the students (44.5%). Conclusion: The problem of alcohol use is increasing among students from medical college / Hawler University. College-based interventions seem desirable, especially in boys.