bluuebunny/crossref_metadata_2025 huggingface dataset:
Alkali-activated materials: the role of molecular-scale research and lessons from the energy transition to combat climate change
Authors: White Claire
Published: January 2020

Alternative (i.e., non-Portland) cements, such as alkali-activated materials, have gained significant interest from the scientific community due to their proven CO2 savings compared with Portland cement together with known short-term performance properties. However, the concrete industry remains dominated by Portland cement-based concrete. This Letter explores the technical and non-technical hurdles preventing implementation of an alternative cement, such as alkali-activated materials, in the concrete industry and discusses how these hurdles can be overcome. Specifically, it is shown that certain technical hurdles, such as a lack of understanding how certain additives affect setting of alkali-activated materials (and Portland cement) and the absence of long-term in-field performance data of these sustainable cements, can be mitigated via the use of key molecular- and nano-scale experimental techniques to elucidate dominant material characteristics, including those that control long-term performance. In the second part of this Letter the concrete industry is compared and contrasted with the electricity generation industry, and specifically the transition from one dominant technology (i.e., coal) to a diverse array of energy sources including renewables. It is concluded that financial incentives and public advocacy (akin to advocacy for renewables in the energy sector) would significantly enhance uptake of alternative cements in the concrete industry.
Non-inflammatory Chronic Pelvic Pain Syndrome (Scrotal pain) in a infertile man with non-palpable Testicular Seminoma and Bilateral Testicular Microlithiasis. Case study
Authors: Korneyev I. A.
Published: January 2020

A 26-year-old patient with cryptozoospermia turned to the International Center for Reproductive Medicine for infertility. The man underwent surgical treatment for right-sided cryptorchidism in childhood. Subsequently, he was repeatedly examined and treated for scrotal pain. An ultrasound examination of the scrotum revealed bilateral testicular microlithiasis and signs of neoplasm of the left testicle that was not detected by palpation. Based on the research data, the patient underwent left orchifuniculectomy. Based on a histological examination, the diagnosis was established: a mixed germ cell tumor seminoma and teratoma against the background of intratubular germ cell neoplasia. A case from practice allows us to justify the expansion of indications for ultrasound of the scrotum in the non-inflammatory chronic pelvic pain syndrome (scrotal pain).
Physician Anxiety and Burnout: Symptom Correlates and a Prospective Pilot Study of App-Delivered Mindfulness Training
Authors: Roy Alexandra , Druker Susan , Hoge Elizabeth A , Brewer Judson A
Published: January 2020

Background

Physician burnout is on the rise, yet little is known about its relationship to anxiety. Mindfulness-based stress reduction has demonstrated decreases in anxiety, yet physicians have reported reluctance to engage in it due to significant time commitments.

Objective

The aims of this study are to assess whether app-based mindfulness training can reduce anxiety in physicians and to explore if anxiety and burnout are correlated, thus leading to a reduction in both anxiety and burnout.

Methods

This was a nonrandomized pilot study comprised of 34 physicians who worked in a large US health care network and reported having anxiety. The intervention was an app-based mindfulness program. The main outcome measure was anxiety, measured by the Generalized Anxiety Disorder-7 (GAD-7). The secondary outcome measures assessed burnout: cynicism and emotional exhaustion items from the Maslach Burnout Inventory.

Results

GAD-7 scores decreased significantly at posttreatment (1 month after treatment initiation, 48% reduction, P<.001) and at the 3-month follow-up (57% reduction, P<.001). There was a significant correlation between anxiety and burnout (cynicism: r=.43; P=.01; emotional exhaustion: r=.71; P<.001). There was also a significant decrease in cynicism (50% reduction, P=.003 at posttreatment; 50% reduction, P=.009 at follow-up) and emotional exhaustion at both time points (20% reduction, P<.001 at posttreatment; 20% reduction, P=.003 at follow-up).

Conclusions

This pilot study is the first to test an app-based mindfulness training program targeted at reducing anxiety with physicians and to demonstrate that in physicians, anxiety is correlated with burnout. These findings suggest that this may be an effective tool to reduce anxiety and burnout in physicians.

Trial Registration

ClinicalTrials.gov NCT04137081; https://www.clinicaltrials.gov/ct2/show/NCT04137081
Reducing Drinking Among People Experiencing Homelessness: Protocol for the Development and Testing of a Just-in-Time Adaptive Intervention
Authors: Businelle Michael S , Walters Scott T , Mun Eun-Young , Kirchner Thomas R , Hébert Emily T , Li Xiaoyin
Published: January 2020

Background

Adults who are homeless are more likely to have alcohol use disorders (AUDs) compared with domiciled adults. Although AUD treatments are commonly available, many factors (eg, transportation limitations and inability to schedule appointments) contribute to low treatment completion rates and low success rates of these interventions among adults experiencing homelessness. Most adults who are homeless own mobile phones; however, no interventions have been developed that use mobile devices to deliver and support AUD interventions for this population. Mobile phone–based AUD interventions may reduce barriers that have limited the use and utility of traditional interventions.

Objective

The aim of this study is to (1) identify variables (eg, affect, stress, geolocation, and cravings) that predict drinking among homeless adults (phase I), (2) develop a mobile intervention that utilizes an algorithm to identify moments of risk for drinking and deliver treatment messages that are tailored to the individual’s current needs in real time (phase II), and (3) pilot test the intervention app (phase III).

Methods

In phase I, adults experiencing homelessness with an AUD (N=80) will complete baseline, equipment, 2-week, and 4-week follow-up visits in person. Participants will be prompted to complete five daily ecological momentary assessments on a study-provided smartphone for 28 days. The smartphone app will collect GPS coordinates every 5 min for the entire 28-day study period. Participants will wear a transdermal alcohol sensor that will objectively measure alcohol use. In phase II, we will use phase I data to develop an algorithm that identifies moments of heightened risk for drinking and develop treatment messages that address risk factors for drinking. Phase III will pilot test the intervention in 40 adults experiencing homelessness with AUD.

Results

This project was funded in June 2018. IRB approval was obtained in October 2018, and data collection for phase I began in February 2019. Phase III data collection is expected to conclude in 2020. To date, 80 participants have consented to the study, and data analysis for phase I will begin in early 2020.

Conclusions

This research will highlight intervention targets and develop a novel intervention for understudied and underserved adults experiencing homelessness with AUD.

International Registered Report Identifier (IRRID)

DERR1-10.2196/15610
The Surveillance Outbreak Response Management and Analysis System (SORMAS): Digital Health Global Goods Maturity Assessment
Authors: Tom-Aba Daniel , Silenou Bernard Chawo , Doerrbecker Juliane , Fourie Carl , Leitner Carl , Wahnschaffe Martin , Strysewske Maté , Arinze Chinedu Chukwujekwu , Krause Gerard
Published: January 2020

Background

Digital health is a dynamic field that has been generating a large number of tools; many of these tools do not have the level of maturity required to function in a sustainable model. It is in this context that the concept of global goods maturity is gaining importance. Digital Square developed a global good maturity model (GGMM) for digital health tools, which engages the digital health community to identify areas of investment for global goods. The Surveillance Outbreak Response Management and Analysis System (SORMAS) is an open-source mobile and web application software that we developed to enable health workers to notify health departments about new cases of epidemic-prone diseases, detect outbreaks, and simultaneously manage outbreak response.

Objective

The objective of this study was to evaluate the maturity of SORMAS using Digital Square’s GGMM and to describe the applicability of the GGMM on the use case of SORMAS and identify opportunities for system improvements.

Methods

We evaluated SORMAS using the GGMM version 1.0 indicators to measure its development. SORMAS was scored based on all the GGMM indicator scores. We described how we used the GGMM to guide the development of SORMAS during the study period. GGMM contains 15 subindicators grouped into the following core indicators: (1) global utility, (2) community support, and (3) software maturity.

Results

The assessment of SORMAS through the GGMM from November 2017 to October 2019 resulted in full completion of all subscores (10/30, (33%) in 2017; 21/30, (70%) in 2018; and 30/30, (100%) in 2019). SORMAS reached the full score of the GGMM for digital health software tools by accomplishing all 10 points for each of the 3 indicators on global utility, community support, and software maturity.

Conclusions

To our knowledge, SORMAS is the first electronic health tool for disease surveillance, and also the first outbreak response management tool, that has achieved a 100% score. Although some conceptual changes would allow for further improvements to the system, the GGMM already has a robust supportive effect on developing software toward global goods maturity.
Twitter Analysis of the Nonmedical Use and Side Effects of Methylphenidate: Machine Learning Study
Authors: Kim Myeong Gyu , Kim Jungu , Kim Su Cheol , Jeong Jaegwon
Published: January 2020

Background

Methylphenidate, a stimulant used to treat attention deficit hyperactivity disorder, has the potential to be used nonmedically, such as for studying and recreation. In an era when many people actively use social networking services, experience with the nonmedical use or side effects of methylphenidate might be shared on Twitter.

Objective

The purpose of this study was to analyze tweets about the nonmedical use and side effects of methylphenidate using a machine learning approach.

Methods

A total of 34,293 tweets mentioning methylphenidate from August 2018 to July 2019 were collected using searches for “methylphenidate” and its brand names. Tweets in a randomly selected training dataset (6860/34,293, 20.00%) were annotated as positive or negative for two dependent variables: nonmedical use and side effects. Features such as personal noun, nonmedical use terms, medical use terms, side effect terms, sentiment scores, and the presence of a URL were generated for supervised learning. Using the labeled training dataset and features, support vector machine (SVM) classifiers were built and the performance was evaluated using F1 scores. The classifiers were applied to the test dataset to determine the number of tweets about nonmedical use and side effects.

Results

Of the 6860 tweets in the training dataset, 5.19% (356/6860) and 5.52% (379/6860) were about nonmedical use and side effects, respectively. Performance of SVM classifiers for nonmedical use and side effects, expressed as F1 scores, were 0.547 (precision: 0.926, recall: 0.388, and accuracy: 0.967) and 0.733 (precision: 0.920, recall: 0.609, and accuracy: 0.976), respectively. In the test dataset, the SVM classifiers identified 361 tweets (1.32%) about nonmedical use and 519 tweets (1.89%) about side effects. The proportion of tweets about nonmedical use was highest in May 2019 (46/2624, 1.75%) and December 2018 (36/2041, 1.76%).

Conclusions

The SVM classifiers that were built in this study were highly precise and accurate and will help to automatically identify the nonmedical use and side effects of methylphenidate using Twitter.
Costing and Cost-Effectiveness of a Mobile Health Intervention (ImTeCHO) in Improving Infant Mortality in Tribal Areas of Gujarat, India: Cluster Randomized Controlled Trial
Authors: Modi Dhiren , Saha Somen , Vaghela Prakash , Dave Kapilkumar , Anand Ankit , Desai Shrey , Shah Pankaj
Published: January 2020

Background

During 2013, a mobile health (mHealth) program, Innovative Mobile Technology for Community Health Operation (ImTeCHO), was launched in predominantly tribal and rural communities of Gujarat, India. ImTeCHO was developed as a job aid for Accredited Social Health Activists (ASHAs) and staff of primary health centers to increase coverage of maternal, neonatal, and child health care.

Objective

In this study, we assessed the incremental cost per life-years saved as a result of the ImTeCHO intervention as compared to routine maternal, neonatal, and child health care programs.

Methods

A two-arm, parallel, stratified cluster randomized trial with 11 clusters (primary health centers) randomly allocated to the intervention (280 ASHAs, n=2,34,134) and control (281 ASHAs, n=2,42,809) arms was initiated in 2015 in a predominantly tribal and rural community of Gujarat. A system of surveillance assessed all live births and infant deaths in the intervention and control areas. All costs, including those required during the start-up and implementation phases, were estimated from a program perspective. Incremental cost-effectiveness ratios were estimated by dividing the incremental cost of the intervention with the number of deaths averted to estimate the cost per infant death averted. This was further analyzed to estimate the cost per life-years saved for the purpose of comparability. Sensitivity analysis was undertaken to account for parameter uncertainties.

Results

Out of a total of 5754 live births (3014 in the intervention arm, 2740 in the control arm) reported in the study area, per protocol analysis showed that the implementation of ImTeCHO resulted in saving 11 infant deaths per 1000 live births in the study area at an annual incremental cost of US $163,841, which is equivalent to US $54,360 per 1000 live births. Overall, ImTeCHO is a cost-effective intervention from a program perspective at an incremental cost of US $74 per life-years saved or US $5057 per death averted. In a realistic environment with district scale-up, the program is expected to become even more cost-effective.

Conclusions

Overall, the findings of our study strongly suggest that the mHealth intervention as part of the ImTeCHO program is cost-effective and should be considered for replication elsewhere in India.

Trial Registration

Clinical Trials Registry of India CTRI/2015/06/005847; http://www.ctri.nic.in/Clinicaltrials/pdf_generate.php?trialid=11820&EncHid=&modid=&compid=%27,%2711820det%27
Perspectives From Municipality Officials on the Adoption, Dissemination, and Implementation of Electronic Health Interventions to Support Caregivers of People With Dementia: Inductive Thematic Analysis
Authors: Christie Hannah Liane , Schichel Mignon Chloë Philomela , Tange Huibert Johannes , Veenstra Marja Yvonne , Verhey Frans Rochus Josef , de Vugt Marjolein Elizabeth
Published: January 2020

Background

Very few evidence-based electronic health (eHealth) interventions for caregivers of people with dementia are implemented into practice. As part of a cross-border collaboration focusing on dementia and depression in older people, two eHealth interventions for caregivers of people with dementia (“Myinlife” and “Partner in Balance”) were adopted by nine municipalities in the Euregion Meuse-Rhine.

Objective

This study aimed to (1) identify determinants for the implementation of eHealth interventions for caregivers of people with dementia in a municipality context and (2) formulate implementation strategies for these interventions.

Methods

Eight municipality officials were interviewed using open-ended, semistructured interviews about their background, thoughts on the implementation of the intervention, recommended strategies, and thoughts on eHealth in general. One additional municipality discontinued the implementation project and submitted answers to the interview questions via email. The interviews were transcribed and independently analyzed using inductive thematic analysis.

Results

The interviews provided information on the perspectives of municipality officials on implementing eHealth for caregivers of people with dementia in their local communities. Key findings from the inductive thematic analysis included the importance of face-to-face interviews in developing tailor-made implementation plans, the need for regular meetings, the enthusiasm of municipality officials to implement these interventions, the need for long-term sustainability planning through collecting data on the required resources and benefits, and the effect of name brand recognition in adoption.

Conclusions

The findings contribute toward filling the previously identified gap in the literature on the implementation context of eHealth interventions for caregivers of people with dementia. Municipality officials’ views indicated which implementation determinants they expected would influence the adoption, dissemination, and future implementation of eHealth interventions for caregivers of people with dementia in a municipal context. These insights were applied to tailored implementation strategies to facilitate the future implementation of interventions such as Myinlife and Partner in Balance.
Development of a Core Set of Patient-Reported Outcomes for Population-Based Cancer Survivorship Research: Protocol for an Australian Consensus Study (Preprint)
Authors: Ramsey Imogen , Corsini Nadia , Hutchinson Amanda D , Marker Julie , Eckert Marion
Published: January 2020

BACKGROUND

Core outcome sets seek to improve the consistency and quality of research by providing agreed-upon recommendations regarding what outcomes should be measured as a minimum for a population and setting. The problems arising from a lack of outcome standardization in population-based cancer survivorship research indicate the need for agreement on a core set of patient-reported outcomes (PROs) to enhance data quality, consistency, and comparability.

OBJECTIVE

This study aims to identify a core set of PROs, representing the most important issues impacting on cancer survivors' long-term health, functioning and quality of life, to inform population-based research on cancer survivorship.

METHODS

In Phase I, a list of all potentially important outcomes will be generated through focus group discussions with cancer survivors and a review of measures for assessing quality of life in cancer survivorship. The consolidated list will be advanced to Phase II, where a stakeholder consensus process will be conducted with national experts in cancer survivorship to refine and prioritize the outcomes into a core outcome set. The process will consist of a two-round Delphi survey and a consensus meeting. Cancer survivors, oncology health care professionals, and potential end users of the core outcome set with expertise in cancer survivorship research or policy will be invited to participate. In Phase III, recommended measures for assessment of the core outcome set will be selected with advice from experts on the assessment, analysis, and interpretation of PROs.

RESULTS

As of April 2019, data collection for Phase I is complete and data analysis is underway. These data will inform the list of outcomes to be advanced into Phase II. Recruitment for Phase II will commence in June 2019, and it is anticipated that it will take 6 months to complete the three-step consensus process and identify a provisional core outcome set. The study results are expected to be published in early 2020.

CONCLUSIONS

Expert consensus-driven recommendations on outcome measurement will facilitate the inclusion of survivorship outcomes considered important by cancer survivors and health professionals in future research. Adoption of the core outcome set will enable comparison and synthesis of evidence across studies and enhance the quality of PRO data collected in cancer survivorship research, particularly when applied to address macro-level questions.

INTERNATIONAL REGISTERED REPORT

DERR1-10.2196/14544
A Stimulated Recall Method for the Improved Assessment of Quantity and Quality of Social Media Use (Preprint)
Authors: Griffioen Nastasia , Van Rooij Marieke M J W , Lichtwarck-Aschoff Anna , Granic Isabela
Published: January 2020

BACKGROUND

Social media are as popular as ever, and concerns regarding the effects of social media use on adolescent well-being and mental health have sparked many scientific studies into use effects. Social media research is currently at an important crossroads: conflicting results on social media use’s effects on well-being are abundant, and recent work in the field suggests that a new approach is required. The field is in need of an approach involving objective data regarding use where necessary and attention to different kinds of detail such as the why and how of social media use.

OBJECTIVE

We present a novel paradigm implementing a principle from educational sciences called stimulated recall and demonstrate how it can be applied to social media use research. Our stimulated recall paradigm implements a number of elements that can fill the gaps currently present in social media and well-being research.

METHODS

Objective data are collected regarding users’ social media behaviors through video footage and in-phone data and used for a structured stimulated recall interview to facilitate detailed and context-sensitive processing of these objective data. In this interview, objective data are reviewed with the participant in an act of co-research, in which details such as the reasons for their use (eg, boredom) and processes surrounding their use (eg, with whom) are discussed and visualized in a stimulated recall chart.

RESULTS

Our ongoing study (N=53) implementing this paradigm suggests this method is experienced as pleasant by participants in spite of its personal and intensive nature.

CONCLUSIONS

The stimulated recall paradigm offers interesting and necessary avenues for approaching social media use research from new angles, addressing aspects of use that have thus far remained underexposed. The answers to questions such as “Why do adolescents use social media?” “In what ways exactly do they use social media?” and “How does social media use make them feel in the moment?” are now within reach, an important step forward in the field of social media use and well-being research.
Pengembangan Sistem E-Learning untuk Meningkatkan Keterampilan Berpikir Kritis Mahasiswa Pendidikan Fisika (Halaman 45 s.d. 48)
Authors: Dwi Aristya Putra Pramudya , - Sudarti
Published: January 2020

Penelitian bertujuan mengembangkan perangkat pembelajaran untuk meningkatkan keterampilan berpikir kritis mahasiswa melalui sistem e-learning. Metode yang digunakan adalah 2R2D yang dikembangkan oleh Willis. Tahapan penelitian ini terdiri dari pendefinisian,  perencanaan dan  menyebarluaskan. Data diperoleh melalui pretest, angket dan posttest dengan bentuk instrument berupa lembar angket dan butir soal berpikir kritis. Subyek penelitian adalah 35 Mahasiswa Program Studi Pendidikan Fisika Universitas Jember yang memprogram pada mata kuliah Fisika Sekolah I. Hasil indikator yang dikembangkan dalam berpikir kritis adalah interprestasi, analisis, evaluasi dan inferensi. Validasi ahli menjukkan bahwa perangkat yang dikembangkan adalah cukup valid. Terjadi peningkatan rata-rata pada uji coba perangkat. Berdasarkan penelitian didapatkan simpulan bahwa perangkat pembelajaran dengan sistem e-learning meningkatkan keterampilan berpikir kritis mahasiswa.
Sistem Pelacak Otomatis Gerakan Benda Langit Pada Teleskop Refraktor Berbasis Mikrokontroler (Halaman 82 s.d. 85)
Authors: Burhanuddin Latief M. , - Muchlas , Pramudya Yudhiakto
Published: January 2020

Banyak aktivitas menakjubkan yang terjadi pada benda-benda langit seperti bintang, matahari dan bulan setiap waktu, sehingga para astronom tertarik untuk melakukan penelitian  dengan cara melihatnya melalui teleskop. Saat ini teleskop yang tersedia sebagian besar hanya dapat melakukan pelacakan gerak bintang saja. Melalui penelitian ini, dirancang teleskop yang dapat melakukan pelacakan secara otomatis gerak matahari dan bulan. Sistem pelacak benda-benda langit pada penelitian ini dibangun dengan menggunakan motor stepper yang dikendalikan oleh mikrokontroler jenis ATMega32. Algoritma pengendaliannya menggunakan sistem kendali terbuka dengan basis waktu. Kinerja alat diuji dengan membandingkan hasil pengukuran pergeseran sudut setiap jam dari teleskop refraktor terhadap nilai teoritiknya untuk setiap benda langit yang diamati. Hasil penelitian menunjukkan bahwa sistem yang dibangun dapat melakukan pelacakan secara otomatis pergerakan benda-benda langit dengan akurat. Kelebihan dari sistem ini adalah menyediakan fasilitas setting sudut melalui tombol saklar yang disediakan tanpa melakukan program ulang. Selain itu, sistem ini menyediakan pula mode pelacakan gerak bulan secara otomatis, yang tidak tersedia pada teleskop refraktor yang lain.
Pengembangan Bahan Ajar Fisika Bermuatan Lifeskill Untuk Siswa SMA (Halaman 86 s.d. 89)
Authors: - Susilawati , Khoiri Nur
Published: January 2020

Penelitian ini menjelaskan pengembangan bahan ajar fisika berbasis lifeskill pada kelas XI semester gasal. Bahan ajar disusun untuk membekali siswa dalam memahami pelajaran fisika yang terintegrasi dengan kecakapan hidup. Kecakapan hidup yang terintegrasi dalam buku ajar fisika ini meliputi kecakapan pribadi, sosial, akademis dan vokasional. Buku ajar fisika ini menyajikan beberapa aktivitas fisik dan mental siswa. Aktivitas yang memberikan pengalaman bagi siswa meliputi tugas pendahuluan materi, tugas diskusi, tugas eksperimen dan tugas proyek. Metode penelitian ini menggunakan metode research and development ( R & D ). Subjek penelitian ini melibatkan tim MGMP fisika SMA kota Semarang, sebagai tim validator bahan ajar dari praktisi pembelajaran di SMA dan tim validator ahli pendidikan fisika. Penelitian ini terdiri dari tahapan persiapan perangkat pembelajaran, tahap pelaksanaan penyusunan bahan ajar fisika dan tahapan evaluasi untuk menganalisis kekurangan dan kelebihan bahan ajar guna perbaikan bahan ajar fisika berbasis lifeskill sesuai dengan kebutuhan siswa dan tuntutan masyarakat. Hasil penelitian ini menghasilkan buku ajar fisika bermuatan lifeskills khususnya keterampilan kewirausahaan yang layak digunakan oleh siswa SMA.
Pelapisan TiO2 di atas FTO dengan Teknik Slip Casting dan Spin Coating untuk Aplikasi DSSC (Halaman 66 s.d. 69)
Authors: Yulika Deni , - Kusumandari , Suryana Risa
Published: January 2020

Pelapisan TiO2 di atas substrat FTO telah dibuat dengan teknik slip casting dan spin coating untuk aplikasi pada sel surya struktur DSSC. Dye antosianin sebagai fotosensitizer, TiO2 fase anatase sebagai elektroda kerja, lapisan karbon sebagai elektroda lawan, dan elektrolit Iˉ/I3ˉ digunakan sebagai bahan penyusun DSSC. Analisa kurva karakteristik I-V menghasilkan efisiensi sebesar 0,9 × 10-2 % dengan teknik slip casting dan 1,8 × 10-2 % dengan teknik spin coating. Pelapisan TiO2 teknik spin coating dapat meningkatkan kinerja DSSC dua kali lebih besar daripada teknik slip casting. Hal ini disebabkan teknik spin coating memiliki homogenitas lapisan TiO2 yang terkalsinasi dengan baik pada substrat sehingga mampu menyerap dye dengan optimal.
Kualtias Air Tanah di Sepanjang Kali Gajah Wong Ditinjau dari Pola Sebaran Escherichia Coli (Studi Kasus Kecamatan Umbulharjo) (Halaman 8 s.d. 11)
Authors: Winata Ekrar , Hartantyo Eddy
Published: January 2020

Saat ini, limbah cair dari kegiatan manusia pada umumnya langsung dibuang atau dialirkan ke sungai. Hal ini akan berdampak buruk kepada kualitas air sungai dan air sumur. Penelitian ini dilakukan untuk menentukan parameter-parameter kualitas air, diantaranya adalah parameter fisik berupa suhu, parameter kimia berupa pH dan DO (Dissolved Oxigen), dan parameter biologi, yaitu bakteri E.coli pada beberapa sampel air sumur di sekitar aliran sungai Gajah Wong. Hasil analisis kehadiran golongan bakteri coli dilakukan melalui uji laboratorium di Laboratorium Hidrologi Fakultas Geografi UGM. Kandungan golongan bakteri coli di sepanjang Kali Gajah Wong sangat tinggi, sebanyak 46 % penyebaran E.coli berada diatas ambang batas yaitu 2400 mg/l pada titik 1, 6, 22, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 38, 40, 44, 45, 46, 48,49. Pola Sebaran E.coli semakin meningkat dari Kelurahan Bajiro sampai Kompleks Gembiraloka. Salah satu penyebabnya adalah arah aliran air Kali Gajah Wong dari utara ke selatan. Sehingga persebaran bakteri E.coli mengikuti arah aliran air. Persebaran bakteri E.coli pada lokasi penelitian dapat dilihat secara geografis denga menggunakan program Surfer.
Transisi Keadaan Defect-Non Defect pada Konveksi Listrik Kristal Cair Nematic Homeotropic dibawah Pengaruh Medan Magnet (Halaman 12 s.d. 15)
Authors: Nugroho Fahrudin , Hidaka Yoshiki , Ueki Tatsuhiro , Kai Shoichi
Published: January 2020

Dalam penelitian kali ini akan dikaji fenomena konveksi listrik kristal cair nemaik homeotropik dibawah pengaruh medan magnet luar. Dalam percobaan dapat diamati fenomena munculnya defect pada soft mode turbulence yaitu spatiotemporal chaos akibat interaksi moda  konveksi listrik dengan moda Nambu-Goldstone. Dapat diamati bahwa terjadi transisi keadaan defect ke keadaan non defect yang terjadi pada medan magnet kritis tertentu Hc = 450 G. Lebih lanjut dengan pengamatan cross polarizer telah berhasil dijelaskan femonena terjadinya transisi dari keadaan defect ke non defect tersebut. Hal itu diakibatkan oleh tertekannya kebebasan berotasi dari kristal cair nematik.
Studi Adsorpsi Logam Co(II), Cu(II), dan Ni(II) Dalam Limbah Cair Buatan Menggunakan Adsorben Nanopartikel Magnetik Fe3O4 dan ZnFe2O4
Authors: Wuryanti Desiana , Suharyadi Edi
Published: January 2020

Telah berhasil dilakukan studi adsorpsi logam Co(II), Cu(II), dan Ni(II) dalam limbah cair buatan menggunakan adsorben nanopartikel magnetik Fe3O4 dan ZnFe2O4. Nanopartikel Fe3O4 dan ZnFe2O4 disintesis menggunakan metode kopresipitasi. Pengaruh suhu (300C, 600C, 900C, 1200C, dan 1500C) ,dan lama pengadukan (10 menit, 60 menit, dan 120 menit), serta perbandingan efektivitas adsorben nanopartikel Fe3O4 dan ZnFe2O4 dilakukan pada penelitian ini. Adsorpsi dalam pengaruh suhu untuk adsorben nanopartikel Fe3O4 menunjukkan penurunan adsorpsi. Adsorpsi maksimum terjadi pada suhu rendah (300C) dengan persentase adsorpsi logam Co(II), Cu(II), dan Ni(II) masing-masing sebesar 20,34%, 88,90%, dan 22,86%. Pada adsorben nanopartikel ZnFe2O4 terjadi kenaikan adsorpsi. Adsorpsi maksimum terjadi pada suhu tertinggi (1500C) dengan persentase adsorpsi logam Co(II), Cu(II), dan Ni(II) masing-masing sebesar 28,90%, 100%, dan 29,40%. Adsorpsi dalam pengaruh lama pengadukan menggunakan kedua adsorben mengalami penurunan adsorpsi. Adsorpsi logam Co(II), Cu(II), dan Ni(II) oleh adsorben ZnFe2O4 lebih efektif dibandingkan Fe3O4 karena memiliki ukuran butir lebih kecil.
Aplikasi Multi Hill Effect Untuk Mempermudah Analisis Geomorfologi Dalam Mengidentifikasi Sesar Aktif di Pidie Jaya
Authors: Irwandi Irwandi
Published: January 2020

Sumatera memiliki dua sesar aktif utama yaitu Sunda Subduction Zone dan Great Sumatra Strike-slip fault. Namun gempabumi Pidie Jaya 7 Desember 2016 magnitudo 6.5 dan 102 korban jiwa tidak terjadi pada sesar aktif tersebut. Banyak sesar aktif yang masih luput dari pengamatan. Memetakan sesar aktif bukan pekerjaan yang mudah, ditambah lagi frekuensi gempa untuk sesar cabang relatif lebih kecil dibandingkan di sesar utama. Sehingga, penulis mencoba melakukan kajian geomorfologi dengan menganalisis hill effect dari data topografi digital dari sesar utama Sumatera hingga pantai Pidie Jaya.  Multi hill effect akan menghasilkan efek yang lebih baik sehingga lebih mudah mengidentifikasi sesar aktif. Semua proses menggunakan software Quantum GIS (QGIS) yang merupakan FOSS (Free Open Source Software). Rumitnya geomorfologi Aceh tentunya dengan hanya menggunakan metode tersebut belum mampu memberikan jawab yang memuaskan tentang teka-teki sesar aktif penyebab gempa Pidie Jaya. Namun metode tersebut dapat digunakan sebagai metode pendahuluan dan masih perlu digabungkan dengan informasi dari metode lainnya.
Pembelajaran Pendekatan "Scientific Aproach" yang Terintegrasi dalam Model Pebelajaran Berbasis Proyek (PBP) Sebagai Upaya Pencapaian KOmpetensi Ilmiah Mahasiswa Pada Program Studi Pend. Fisika FKIP UPR
Authors: Hutahaean Saulim Dapottua , Nawir Nawir , Hartanto Theo Jhoni
Published: January 2020

Tujuan dari penelitian ini adalah untuk mengimplementasikan Pembelajaran Pendekatan Scientific Aproach yang Terintegrasi dalam Model Pembelajaran Berbasis Proyek (PBP) Sebagai Upaya Pencapaian  Kompetensi Ilmiah Mahasiswa Pada Program Studi Pend. Fisika FKIP UPR.  Secara rinci kompetensi yang di teliti adalah keterampilan mahasiswa dalam; (a) melakukan perencanaan,  (b melakukan perancangan, (c) melaksanakan penyelidikan, (d) melakukan pelaporan. Metode yang digunakan dalam penelitian ini adalah studi kasus dan desain penelitian praeksperimen  dengan rancangan One Group Pretest-Posttest Design, dimana sampel penelitian ini adalah 48 orang mahasiswa prodi fisika yang sedang menempuh mata kuliah pengembangan program pengajaran fisika. . Data kuantitatif diperoleh melalui tes kinerja dan tes kognitif yang kemudian dianalisis secara deskriptif. Hasil penelitian menunjukan bahwa implementasi Pembelajaran Pendekatan Scientific Aproach yang Terintegrasi dalam Model Pembelajaran Berbasis Proyek (PBP) membawa dampak pada penguasaan keterampilan mahasiawa dalam hal a) melakukan perencanaan kategori cukup baik  b) melakukan perancangan kategori baik  ,(c) melaksanakan penyelidikan kategori sangan baik, dan (d) melakukan pelaporan kategori baik.
Pemikiran Hukum Adat Djojodigoeno dan Relevansinya Kini
Authors: Sulastriyono Sulastriyono , Intaning Pradhani Sartika
Published: January 2020

AbstractDjojodigoeno Adat legal thought is started from awareness that the nature of adat law is law. Adat law is the contrary of written law and it is a legal reality. Adat law as original law of Indonesia is the material of Indonesia national law formulation. Sociology and ethnography empirical legal research are tools to find adat law from its source of law. The purpose of adat law finding is to construct Indonesia state law which reflects national identity according to Indonesia socialism. In this current situation, adat law study gives more attention to rights of indigenous peoples and adoption of adat law in legislation; therefore, it is far from Djojodigoeno’s expectation. IntisariPemikiran hukum adat Djojodigoeno berangkat dari kesadaran bahwa hakikat hukum adat adalah hukum. Hukum adat adalah lawan dari hukum tertulis dan merupakan realitas hukum. Hukum adat sebagai hukum asli Indonesia menjadi material bagi terbentuknya hukum nasional Indonesia. Penelitian hukum lapangan pada sumber hukum adat secara sosiologi dan etnografi adalah cara untuk menemukan hukum adat. Tujuan dari penemuan hukum adat adalah untuk membentuk hukum negara Indonesia yang mencerminkan kepribadian nasional berdasarkan sosialisme Indonesia. Saat ini kajian hukum adat fokus pada hak-hak masyarakat hukum adat dan adopsi hukum adat dalam peraturan; sehingga semakin jauh dari harapan Djojodigoeno.
POVERTY AS A HETEROGENEITY FACTOR IN EU COUNTRIES
Authors: Janković-Milić Vesna , Lepojević Vinko , Stanković Jelena
Published: January 2020

Measuring poverty is of utmost importance for any economy in order to look at the extent and causes of the vulnerability of the population, but also to formulate social and economic policy measures and measure their effects. The multidimensionality of poverty makes it difficult to quantify and measure it. The subject of research is the components of the AROPE (At risk of poverty and social exclusion) indicator in the countries of the European Union (EU). Using the cluster analysis, the EU countries were grouped into homogeneous units, after which the significance of the difference in the average values of the analyzed indicators was tested. Based on the obtained results, the hypothesis of pronounced heterogeneity of EU countries from the aspect of poverty was confirmed.
CAUSALITY BETWEEN EXCHANGE RATES AND FOREIGN EXCHANGE RESERVES: SERBIAN CASE
Authors: Marjanović Ivana , Marković Milan
Published: January 2020

The aim of this paper is to determine the relationship between the exchange rate (nominal and real) and foreign exchange reserves based on monthly data for the period from September 2006 to April 2019, using unit root tests and cointegration tests that take into account the possibility of structural break existence. The results of the causality test indicate that there is a long-term relationship between the nominal exchange rate and foreign exchange reserves. On the other hand, the existence of a long-term relationship between the real exchange rate and the foreign exchange reserves has not been confirmed, but there is a short-term causality, that is, the real exchange rate Granger-causes foreign exchange reserves.
EFFECTS OF EXPERIMENTAL MODEL OF EXPLOSIVE STRENGTH IN REGULAR PHYSICAL EDUCATION CLASSES
Authors: Momčilović Vladimir , Momčilović Zoran , Cenić Stojan
Published: January 2020

.The study was conducted with the goal to determine the effects of explosive strength training on the transformation of motor skills and functional abilities during regular physical education classes, among students of primary schools. The sample of examinees consisted of 64 pupils from Niš, 14 years old. Experimental group comprised of 32 examinees, selected for the training of experimental model of explosive strength in the main part of regular physical education classes, three times per week, in duration of 45 minutes, for the period of eight weeks. One half of these classes was dedicated to regular PE curriculum, while the other half to an experimental program of explosive strength, in duration of eight weeks. Control group also comprised of 32 examinees, who attended regular physical education classes, three times per week in duration of 45 minutes, for the period of eight weeks. Following motor skill were assessed: coordination (two tests), sprint speed (two tests), repetitive strength (two tests), and explosive strength (two tests). Following functional abilities were assessed: pulse frequency after physical activity, Margaria test, and vital lung capacity. For processing of data, variance and covariance analysis were applied. Study results showed that experimental group of examinees achieved better results in motor skills and functional abilities, as well as that there were statistically significant effects at the final testing
INTERVAL VERSUS CONTINUOUS SMALL-SIDED SOCCER GAMES WITH SAME PITCH SIZE AND NUMBER OF PLAYERS
Authors: Yücesoy Mehmet , Erkmen Nurtekin , Aktas Samet , Güven Faruk , Durmaz Mehmet
Published: January 2020

The aim of the study compared effects of intermittent and continuous small-sided games (SSGs) on physiological and technical activities in soccer players. Totally 16 male amateur soccer players (Mean age: 22.37±1.69 years, height: 170.89±5.96 cm and body mass: 67.37±7.47 kg) were recruited as participants. Subjects were separated in 4 groups of 4 players according to the Yo-Yo test results and their coaches' comments. Four-a-side SSGs were used in a pitch size of 26 m x 34 m and 2 different small-sided games were used in this study. Intermittent SSG (ISSG) included a series of 3 bouts of 6 min duration with 3 min recovery between sets. Continuous SSG (CSSG) was a bout of 18 min duration with no recovery. Heart rate (HR), the rating of perceived exertion (RPE), and blood lactate concentration (LA) were measured as physical parameters and shoot on target, total pass, accurate pass, inaccurate pass, interception, dribbling, tackle, and possessing the ball were counted by Mathball Match Analyses System. A repeated measures ANOVA method, paired and unpaired tests were used to analyses data. The results of this study suggest that SSGs might cause increases of HR, RPE, and LA and that intermittent and continuous SSGs might not bring about an alteration on HR, RPE and LA.
EFFECTS OF DIFFERENT TYPES OF EXERCISE PROGRAMS ON ARTERIAL BLOOD PRESSURE OF THE ELDERLY
Authors: Petrović Ivana , Marinković Marjan
Published: January 2020

The value of arterial blood pressure is variable. It depends on the time of the day, external and internal factors such as genetics and lifestyle. Moderate and regular physical activity, as well as weight reduction, can affect the reduction of high arterial blood pressure (ABP). The influence of physical activity on the health of the elderly is not well researched. The objective of this systematic review study is to collect and analyze studies of the effects of different types of exercise programs on arterial blood pressure of the elderly. Based on an analysis of electronic databases and the inclusion criteria set, 21 studies were included in the analysis. Performing only one exercise training program with the elderly leads to a fall of systolic blood pressure (SBP) from 7 to 30 mm Hg and of diastolic blood pressure (DBP) from 3 to 17 mm Hg, whereas a long term training program reduces SBP for 17 and DBP for 7mm Hg. The combination of aerobic training (AT) and resistance training (RT) with the elderly gives the best results in reducing ABP, increasing arterial elasticity, thus reducing the chance of getting a cardiovascular disease.
THE EFFECTS OF SERVICE QUALITY, CUSTOMER PERCEIVED VALUE, AND CUSTOMER SATISFACTION TOWARDS CUSTOMER LOYALTY OF DAMRI TOUR BUS
Authors: Wachyuni Suci Sandi
Published: January 2020

Based on the data from Transportation Department of Indonesia, commonly total of tourist bus company and total unit of tour bus continues to increase every year. The increasing number of competitors will affect customers looking away easily from one service provider to another. Then, DAMRI as one of the providers, has to make efforts for maintaining and increasing customer’s loyalty. The purpose of this study to determine the effect of service quality, customer perceived value, and customer satisfaction towards customer loyalty of DAMRI Tourist Bus.This research is a quantitative research. Sampling technique is non Probability Sampling, purposive sampling. Data collection is done through interview and questionnaires. Statistical analysis techniques is done through regression analysis and hypothesis testing t test and F test (SPSS 20.0). The results being obtained: service quality (X1) and customer perceived value (X2) significantly influence customer loyalty (Y). In other hand, customer satisfaction (X3) does not significantly influence customer loyalty (Y); But X1, X2, and X3 simultanously influence Y. The manager is advised to continously make efforts in order to improve customer loyalty. Further research is needed to identify the factors that have more influence over customer loyalty of DAMRI Tourist Bus.
FOOD SOUVENIRS FROM BALI – WHAT MATTERS FOR TOURISTS FROM JAKARTA?
Authors: Lemy Diena Mutiara , Darmawan Debbie , Tjokromulia Julio Putra
Published: January 2020

Bali is one of the popular destinations in Indonesia. It is not only popular for the international tourists, but also for domestic tourist. One large segment of Bali domestic tourist is from Jakarta. This segment like to buy food souvenir from Bali, even though the food do not presenting Balinese local food. The purpose of this research is to determine the degree of influence from brand image, brand awareness and dimension of food souvenirs from Bali towards buying decisions of Tourist from Jakarta when they are in Bali. Usually, product with good brand image and good brand awareness could attract people to buy the products.This research uses descriptive quantitative approach, where the data is collected through questionnaire and observations. To analyze the data, multiple linear regression analysis using SPSS program was applied. The result will determine if the brand awareness and brand image of food souvenirs really influence buying decision of tourist from Jakarta or not. The benefit of this research is expected that it will be a beneficial insight for the tourism industry in Bali in making a strategy for increasing tourist expenditure, from the food souvenirs sector.
DEFINING SOCIAL SUSTAINABILITY AND SOCIALLY CONSCIOUS TOURIST IN SUSTAINABLE TOURISM DEVELOPMENT
Authors: Nugraheni Agusta Ika Prihanti , Priyambodo Tri Kuntoro , Sutikno Bayu , Kusworo Hendrie Adji
Published: January 2020

Sustainable Tourism Development (STD) consists of three dimensions known as environment, economic and social. Although these three dimensions influence each other and cannot stand on their own, and are assumed to be supportive to each other and compatible. However, most studies focus on the environmental and economic dimensions. The social dimension gains less attention and is difficult to attain and operationalize. In order to implement a balanced and successful STD, it needs to be supported by all the tourism stakeholder, including the tourist itself. Therefore, it is necessary to explore the social dimension of STDs and also tourist behavior regarding their social conscious. However, the discussions and understanding of social dimension in STD and socially conscious behavior are still limited. This study aims to define a clear understanding and definition of social dimension of STD which in this study is referred as social sustainability and also a socially conscious tourist. Starting with exploring the aspect of social dimensions formulation and exploring clear definitions of social dimensions of STD's and socially conscious tourist. This study is an exploratory study that aims to explore the boundaries of social dimension of STD and to develop a construct of socially responsible tourist. This study is a qualitative approaches, which includes systematic literature review and Delphi method to obtain expert judgment to gather social dimension aspects of sustainable development, especially in STD. The results of this study are social dimension’s aspects of STD, an understanding of social sustainability and socially conscious tourist in STD.
A aura da presença em processos de deslocamento: nas ruínas do playground
Authors: Farina Mauricius Martins
Published: January 2020

Tendo como questão a ideia do deslocamento entre territórios, consideramos neste texto as obras do mestre português Grão Vasco, dos brasileiros Antônio Francisco Lisboa e Manuel da Costa Ataíde, artistas que colocaram em questão uma ideia de estilo a partir de matrizes e emulações da arte, mas sob o impacto de circunstâncias autóctones. Obras de arte são atmosferas de acontecimento, nelas há algo que não se determina apenas como forma. Questões como circularidade e sobrevivência nos impactam desde suas próprias origens como processos de transformação.