bluuebunny/crossref_metadata_2025_split huggingface dataset:
Analysis of Implementation Indonesia-Japan Economic Partnership Agreement (IJEPA) Toward Export Value Growth in Indonesia
Authors: Yuliati Lilis , Komariyah Siti , Khusnul Khatimah Diah Ayu 
Published: April 2023

This study aims to analyze the impact of the Indonesia-Japan Economic Partnership Agreement (IJEPA) bilateral trade agreement on Indonesia's export value in the long term. The secondary data time series used for the research is from 2005Q1 to 2019Q4, and the research method employed is the VECM (Vector Error Correction Model). The results of the VECM analysis show that the IJEP bilateral agreement has a significant negative effect, the inflation variable has a significant positive effect, and the FDI and exchange rate variables have a negative but not significant effect on the value of Indonesia's exports to Japan. Implementation of the recommended policies to increase export value and economic growth, namely compliance with product standardization, especially for destination countries, actively and openly providing information related to the IJEPA tariff scheme and utilizing capacity building.
Исследование in situ механизма распространения деформационных полос Портевена-Ле Шателье
Authors: Шибков А.А. , Золотов А.Е. , Гасанов М.Ф. , Денисов А.А. , Кольцов Р.Ю. 
Published: April 2023

На основе анализа данных высокоскоростной видеосъемки распространяющихся деформационных полос в алюминиево-магниевом сплаве установлено, что подвижная полоса деформации содержит избыток дислокаций одного механического знака, а основным механизмом распространения фронта локализованной пластической деформации вдоль оси образца является эстафетная передача скольжения в антипараллельном направлении для релаксации изгибающего момента, создаваемого первичной полосой деформации. Показано, что "мгновенная" скорость пластической деформации в течение &#126;1 ms в растущей полосе достигает значения &#126;103 s-1, сравнимого со скоростью деформации при ударных испытаниях. Ключевые слова: прерывистая деформация, полосообразование, дислокации, механический заряд, алюминиево-магниевый сплав.
A Nurse-Led Telehealth Program for Diabetes Foot Care: Feasibility and Usability Study
Authors: Ju Hsiao-Hui , Momin Rashmi , Cron Stanley , Jularbal Jed , Alford Jeffery , Johnson Constance 
Published: April 2023

Background
Diabetes mellitus can lead to severe and debilitating foot complications, such as infections, ulcerations, and amputations. Despite substantial progress in diabetes care, foot disease remains a major challenge in managing this chronic condition that causes serious health complications worldwide.

Objective
The primary aim of this study was to examine the feasibility and usability of a telehealth program focused on preventive diabetes foot care. A secondary aim was to descriptively measure self-reported changes in diabetes knowledge, self-care, and foot care behaviors before and after participating in the program.

Methods
The study used a single-arm, pre-post design in 2 large family medical practice clinics in Texas. Participants met individually with the nurse practitioner once a month for 3 months using synchronous telehealth videoconferencing. Each participant received diabetes foot education guided by the Integrated Theory of Health Behavior Change. Feasibility was measured with rates of enrollment and program and assessment completion. Usability was measured with the Telehealth Usability Questionnaire. Diabetes knowledge, self-care, and foot care behaviors were measured with validated survey instruments at baseline, 1.5 months, and 3 months.

Results
Of 50 eligible individuals, 39 (78%) enrolled; 34 of 39 (87%) completed the first videoconference and 29 of 39 (74%) completed the second and third videoconferences. Of the 39 who consented, 37 (95%) completed the baseline assessment; 50% (17/34) of those who attended the first videoconference completed the assessment at 1.5 months, and 100% (29/29) of those who attended the subsequent videoconferences completed the final assessment. Overall, participants reported a positive attitude toward the use of telehealth, with a mean Telehealth Usability Questionnaire score of 6.24 (SD 0.98) on a 7-point scale. Diabetes knowledge increased by a mean of 15.82 (SD 16.69) points of 100 (P<.001) from baseline to 3 months. The values for the Summary of Diabetes Self-Care Activities measure demonstrated better self-care, with participants performing foot care on average 1.74 (SD 2.04) more days per week (P<.001), adhering to healthy eating habits on average 1.57 (SD 2.12) more days per week (P<.001), and being physically active on average 1.24 (SD 2.21) more days per week (P=.005). Participants also reported an improvement in the frequency of foot self-examinations and general foot care behaviors. The mean scores for foot care increased by a mean of 7.65 (SD 7.04) points (scale of 7 to 35) from baseline to 3 months postintervention (P<.001).

Conclusions
This study demonstrates that a nurse-led telehealth educational program centered on diabetes foot care is feasible, acceptable, and has the potential to improve diabetes knowledge and self-care, which are precursors to preventing debilitating foot complications.
Accuracy of a Standalone Atrial Fibrillation Detection Algorithm Added to a Popular Wristband and Smartwatch: Prospective Diagnostic Accuracy Study
Authors: Selder Jasper L , Te Kolste Henryk Jan , Twisk Jos , Schijven Marlies , Gielen Willem , Allaart Cornelis P 
Published: April 2023

Background
Silent paroxysmal atrial fibrillation (AF) may be difficult to diagnose, and AF burden is hard to establish. In contrast to conventional diagnostic devices, photoplethysmography (PPG)–driven smartwatches or wristbands allow for long-term continuous heart rhythm assessment. However, most smartwatches lack an integrated PPG-AF algorithm. Adding a standalone PPG-AF algorithm to these wrist devices might open new possibilities for AF screening and burden assessment.

Objective
The aim of this study was to assess the accuracy of a well-known standalone PPG-AF detection algorithm added to a popular wristband and smartwatch, with regard to discriminating AF and sinus rhythm, in a group of patients with AF before and after cardioversion (CV).

Methods
Consecutive consenting patients with AF admitted for CV in a large academic hospital in Amsterdam, the Netherlands, were asked to wear a Biostrap wristband or Fitbit Ionic smartwatch with Fibricheck algorithm add-on surrounding the procedure. A set of 1-min PPG measurements and 12-lead reference electrocardiograms was obtained before and after CV. Rhythm assessment by the PPG device-software combination was compared with the 12-lead electrocardiogram.

Results
A total of 78 patients were included in the Biostrap-Fibricheck cohort (156 measurement sets) and 73 patients in the Fitbit-Fibricheck cohort (143 measurement sets). Of the measurement sets, 19/156 (12%) and 7/143 (5%), respectively, were not classifiable by the PPG algorithm due to bad quality. The diagnostic performance in terms of sensitivity, specificity, positive predictive value, negative predictive value, and accuracy was 98%, 96%, 96%, 99%, 97%, and 97%, 100%, 100%, 97%, and 99%, respectively, at an AF prevalence of ~50%.

Conclusions
This study demonstrates that the addition of a well-known standalone PPG-AF detection algorithm to a popular PPG smartwatch and wristband without integrated algorithm yields a high accuracy for the detection of AF, with an acceptable unclassifiable rate, in a semicontrolled environment.
Remote Patient Monitoring and Teleconsultation to Improve Health Outcomes and Reduce Health Care Utilization of Pediatric Asthma (ALPACA Study): Protocol for a Randomized Controlled Effectiveness Trial
Authors: van der Kamp Mattienne , Hengeveld Vera , Willard Nico , Thio Boony , de Graaf Pascal , Geven Inge , Tabak Monique 
Published: April 2023

Background
Childhood asthma is imposing a great financial burden on the pediatric health care system. Asthma costs are directly related to the level of asthma control. A substantial part of these costs may be preventable by the timely and adequate assessment of asthma deterioration in daily life and proper asthma management. The use of eHealth technology may assist such timely and targeted medical anticipation.

Objective
This paper describes the Ambulatory Pediatric Asthma Care (ALPACA) study protocol to investigate the effectiveness of an eHealth intervention consisting of remote patient monitoring and teleconsultation integrated into the daily clinical care of pediatric patients with asthma. This intervention aims to reduce health care utilization and costs and improve health outcomes compared to a control group that receives standard care. In addition, this study aims to improve future eHealth pediatric asthma care by gaining insights from home-monitoring data.

Methods
This study is a prospective randomized controlled effectiveness trial. A total of 40 participants will be randomized to either 3 months of eHealth care (intervention group) or standard care (control group). The eHealth intervention consists of remote patient monitoring (spirometry, pulse oximetry, electronic medication adherence tracking, and asthma control questionnaire) and web-based teleconsultation (video sharing, messages). All participants will have a 3-month follow-up with standard care to evaluate whether the possible effects of eHealth care are longer lasting. During the entire study and follow-up period, all participants will use blinded observational home monitoring (sleep, cough/wheeze sounds, air quality in bedroom) as well.

Results
This study was approved by the Medical Research Ethics Committees United. Enrollment began in February 2023, and the results of this study are expected to be submitted for publication in July 2024.

Conclusions
This study will contribute to the existing knowledge on the effectiveness of eHealth interventions that combine remote patient monitoring and teleconsultation for health care utilization, costs, and health outcomes. Furthermore, the observational home-monitoring data can contribute to improved identification of early signs of asthma deterioration in pediatric patients. Researchers and technology developers could use this study to guide and improve eHealth development, while health care professionals, health care institutions, and policy makers may employ our results to make informed decisions to steer toward high-quality, efficient pediatric asthma care.

Trial Registration
ClinicalTrials.gov NCT05517096; https://clinicaltrials.gov/ct2/show/NCT05517096

International Registered Report Identifier (IRRID)
PRR1-10.2196/45585
Rationale, Design, and Methods for the Sedentary Behavior Reduction in Pregnancy Intervention (SPRING): Protocol for a Pilot and Feasibility Randomized Controlled Trial
Authors: Barone Gibbs Bethany , Kozai Andrea C , McAdoo Shannon N , Bastyr Meghan C , Davis Kelliann D , Hauspurg Alisse , Catov Janet M 
Published: April 2023

Background
Adverse pregnancy outcomes (APOs) identify cardiovascular disease risk, but few effective interventions are available. High sedentary behavior (SED) has recently been associated with APOs, but very few randomized controlled trials (RCTs) have tested SED reduction in pregnancy.

Objective
The Sedentary Behavior Reduction in Pregnancy Intervention (SPRING) pilot and feasibility RCT addresses this gap by testing the feasibility, acceptability, and preliminary pregnancy health effects of an intervention to reduce SED in pregnant women. The objective of this manuscript is to describe the rationale and design of SPRING.

Methods
Pregnant participants (n=53) in their first trimester, who are at risk for high SED and APO and without contraindications, are randomized in a 2:1 ratio to an intervention or control group. SED (primary outcome) and standing durations, and steps per day, are measured objectively in each trimester for 1 week with a thigh-mounted activPAL3 accelerometer. SPRING also seeks to demonstrate feasibility and acceptability while estimating preliminary effects on maternal-fetal health outcomes assessed during study visits and abstracted from medical records. The pregnancy-customized intervention promotes daily behavioral targets of less than 9 hours of SED and at least 7500 steps, achieved via increased standing and incorporating light-intensity movement breaks each hour. The multicomponent intervention provides a height-adjustable workstation, a wearable activity monitor, behavioral counseling every 2 weeks (through videoconference), and membership in a private social media group. Herein, we review the rationale, describe recruitment and screening processes, and detail the intervention, assessment protocols, and planned statistical analyses.

Results
This study was funded by the American Heart Association (20TPA3549099), with a funding period of January 1, 2021, and until December 31, 2023. Institutional review board approval was obtained on February 24, 2021. Participants were randomized between October 2021 and September 2022, with final data collection planned for May 2023. Analyses and submission of results are expected for winter of 2023.

Conclusions
The SPRING RCT will provide initial evidence on the feasibility and acceptability of an SED-reduction intervention to decrease SED in pregnant women. These data will inform the design of a large clinical trial testing SED reduction as a strategy to reduce APO risk.

Trial Registration
ClincialTrials.gov NCT05093842; https://clinicaltrials.gov/ct2/show/NCT05093842

International Registered Report Identifier (IRRID)
DERR1-10.2196/48228
Challenges to engage medical assistant students in 5E flipped learning environment
Authors: Muniandy Bala Krishnian , Ping Por Fei 
Published: April 2023

Flipped classroom approaches envision students using technology to access the lecture and other instructional resources outside of the classroom to engage them in active learning during class time. Although flipped classroom practices have been used in a number of educational studies and found positive outcomes, there were still some challenges with this approach. Therefore, there is a need for an innovative flipped classroom. In this article, the researcher presents a 5E-flipped learning environment approach and collected results of such data. The approach incorporates a 5E learning cycle model and flipped learning practices, making it accessible to anyone who wants to implement a 5E-flipped learning environment experience in their course. The 5E-flipped learning environment educational model proposes could help students to achieve higher order and deeper levels of learning as they engage in active work during online and face-to-face sessions. However, the thematic analysis of qualitative data three sources, participants learning dairy, focused group discussion and interview of 12 medical assistant students emerged some challenges they faced in a 5E-flipped learning environment. They faced challenges on learning activities which focused on fail to accomplish learning task and challenges on personal barriers related to lack of independent initiative and heavy responsibility on learners which influence their engagement in learning process. Therefore, the 5E-flipped learning activities need to be designed with these considerations in mind to encourage active student participation in online and classroom activities.
Response of Cocoa (Theobroma cacao L.) Seedling Growth on Various Growing Media and Organic Plant Supplements
Authors: Arum Ayu Puspita , Innaya Lutfika Revi , Setiyono Setiyono , Rosyady Muhammad Ghufron 
Published: April 2023

Cocoa (Theobroma Cacao L.) as a plantation crop which success is determined by healthy and quality seedlings. The use of planting media with a mixture of manure and plant organic supplements may result in healthy soil because it contains soil microorganisms that are beneficial and may support the growth of cocoa seedlings. Purpose of this study was to determine the initial growth response of cocoa seedlings on various growing media and dosages of an organic plant supplement as liquid organic fertilizer. The research was conducted in February–September 2022 in a nursery located in Kradenan, Purwoharjo, Banyuwangi Regency and in Agricultural Laboratory of University of Jember, Bondowoso Campus, Bondowoso Regency. Study was carried out in a 4 x 4 factorial using a randomized block design with three replications. The first factor was planting media which consisted of four levels of treatment, namely soil + chicken manure, soil + goat manure, soil + cow manure, and soil + rabbit manure. The second factor was dose of organic plant supplement which consisted of 4 levels, namely the control treatment of 0, 50, 100, and 150 mL polybag-1. Data were analyzed using analysis of variance and follow-up tests using Duncan’s multiple range test at 5% level. Variables observed included seedling height, number of leaves, stem diameter, leaf length, leaf width, number of roots, root length, fresh weight, and dry weight of seedlings. The results showed that there was an interaction effect on all parameters except seedling height, number of leaves, and number of roots. The conclusion of the study showed that there was an effect of interaction treatment with the best treatment combination planting media using cow manure and organic plant supplement dose of 50 mL polybag-1.
Germination and Early Seedling Growth of Three Arabica Coffee Varieties at Four Seed Soaking Water Temperatures
Authors: Wibowo Ari , Aprillia Wijaya Stefani , Suharjono . 
Published: April 2023

It takes three weeks to analyze the germination percentage of Arabica coffee seeds germinated using paper and a three-day water-soaking method. This 3- week period is considered too long for seed distribution to remote areas. Thus, we need to modify this germination test needs to be modified to have a shorter test time. Temperature treatment is one method to break the seed dormancy period for faster germination. This study aimed to obtain a faster and more precise method of germination test on Arabica coffee seeds. This study employed a 3 x 4 factorial complete randomized block design with three replications in which Arabica coffee varieties of Gayo-1, Kartika-1, and Sigararutang as the first factor and the temperature of the soaking water of the seeds (25 0C, 50 0C, 75 0C, and 90 0C) as the second factor. The research was conducted at the Plant Breeding Laboratory, Indonesian Coffee and Cocoa Research Institute (ICCRI), for four months. Findings showed that the interaction between treatments was only found in seed germination percentage. Soaking in room temperature water (control) for three days was better than using water at 50 0C, 75 0C, and 90 0C on the germination percentage, sprout length, and vigor index. Observations of Arabica seed germination could be shortened to 14 days compared to the standard 21-day observation. During the seedling phase, the shoot growth and root growth of the Arabica coffee seeds soaked in water at 50 0C showed no significant difference from the control. Soaking at 75 0C and 90 0C damaged the embryo and resulted in rotten seeds. Different varieties led to different germination percentages, sprout lengths, and fresh weight of seedling shoots. The method of soaking at 50 0C for 30 minutes could be used as an alternative in germination test of Arabica coffee seeds because it showed small negative effect on germinated seed and seedling quality but it shorten thetesting time for three days.
Economic Analysis of Cocoa Production Cropping Pattern in Nigeria, West Africa
Authors: Oladokun Yetunde Olasimbo Mary , Oluyole Kayode A. , Akinpelu Ayode O. , Orisasona Taiwo 
Published: April 2023

Cocoa is the most prominent export crop in Nigeria in terms of its production and export capacities. There is dearth of literature on the profitability of the different cropping systems. This study therefore examined the profitability of the different cocoa cropping systems and the factors that affect the revenue of cocoa farmers for each of the cropping systems. The study area was Nigeria and information were collected from one hundred and eighty farmers using well-structured question- naires. Descriptive statistics, budgetary analysis and linear regression were used for analysis in this study. The study revealed that twenty-seven farmers practised sole cocoa cropping, seventy-five farmers practised cocoa/arable cropping and seventy-eight farmers practised cocoa/tree cropping systems, respectively. The mean age of farmers in sole cocoa cropping system was 49.3 years, for cocoa/ arable cropping system the mean age was 47.8 years while for cocoa/tree cropping system the mean age of farmers was 47.2 years. For sole cocoa cropping system, the total cost (TC) was USD 7,764; the gross revenue (GR) was USD 43,774 with USD 36,009 as profit made from the cropping system. The TC for cocoa/tree cropping system in Nigeria was USD 18,003, GR was USD 124,104 and the profit was USD 106,102. Similarly for cocoa/arable cropping system, the TC was USD 16,215, GR was USD 109,849 and profit was USD 93,634. The determinants for the three cocoa cropping systems were age, gender, marital status (married), educational level (primary), cost of seedling, cost of fertilizer, cost of fungicide, cost of herbicide, labour cost for bush clearing, land preparation, weeding and planting. Cocoa/tree and cocoa/arable cropping systems were more profitable than sole cocoa cropping systems. However, cocoa/ tree cropping system was more profitable with a value of USD 106,102.
Stability of B50 biodiesel added with glycerol ester additive based on palm oil oleic acid
Authors: Dimawarnita Firda , Faramitha Yora , Hambali Erliza 
Published: April 2023

Biodiesel in Indonesia is a mixture of Fatty Acid Methyl Ester (FAME) and diesel oil. Mixing FAME and diesel oil is challenging since FAME is separated from diesel oil at low temperatures. Changes in the physico-chemical properties of biodiesel during storage decrease biodiesel quality due to dissolved oxygen, potentially damaging the engine. Using glycerol ester (GE) as an additive can be an alternative solution to tackle that problem. This research examined the stability of GE-added biodiesel. As a comparison, commercial diethyl ether (DEE) additive was used. The concentration of additive added to biodiesel varied at 1000, 2000, and 3000 ppm while the storage temperature varied at 12, 25, and 42℃. The stability of biodiesel was evaluated for three months by measuring the acid value, viscosity, corrosion rate, and water content. The acid values ​​​​of the various types and concentrations of additives still meet the SNI 7182-2015 standard (0.5 mg KOH g-1 sample) with a value range of 0.148- 0.392 mg KOH g-1 sample. Kinematic viscosity had a value range of 3.12-3.58 cst, which also meets the SNI 7182-2015 standard (2.3-6 cst). The highest corrosion rate for GE and DEE was in the first week, with values of 0.447 and 0.261 mpy, respectively. Both B50 biodiesel control and the addition of 1000 ppm GE had the same water content value on the 18th day, which was 0.046%, and this value was considered the highest water content. This means adding an additive can maintain the water content in B50 biodiesel. Overall, GE additives in B50 biodiesel with various concentrations comply with SNI 7182-2015 standard.