bluuebunny/crossref_metadata_2025 huggingface dataset:
PRAKTIK SISTEM KERJA BERKINERJA TINGGI TERHADAP KOMITMEN AFEKTIF DENGAN MEDIASI KEADILAN PROSEDURAL
Authors: Masrukhin Muhamad Agus
Published: June 2015

Penelitian ini bertujuan untuk menguji pengaruh langsung dari sistem kerjaberkinerja tinggi pada komitmen afektif dan pengaruh tidak langsung dari sistem  kerja berkinerja tinggi pada komitmen afektif dengan keadilan prosedural sebagai variabel mediasi. Penelitian ini merupakan penelitian survei dengan menyebarkan kuesioner kepada sampel langsung. yang terdiri dari 93 karyawan yang diambil secara acak. Teknik analisis data yang digunakan adalah analisis jalur Hasil penelitian ini menunjukkan bahwa sistem kerja berkinerja tinggi berpengaruh positif dan signifikan pada komitmen afektif dengan variabel keadilan prosedural sebagai variabel mediasi.

 

The objective of the study was to test the direct influence of high performance work system toward the affective commitment and indirect influence of high performance work system toward the affective commitment with procedural justice as the mediating variable. It was a survey research by distributing the questionnaires to 93 employees which were taken randomly. The data were analyzed by line analysis. The result of the study showed that high performance work system gave positive and significant influence toward the affective commitment with procedural justice as the mediating variable.
PENINGKATAN EFEKTIVITAS PROGRAM STUDI DI PERGURUAN TINGGI SWASTA MELALUI KEPEMIMPINAN ADAPTIF INTEGRATIF
Authors: Martono S , Wijayanto Andhi
Published: June 2015

Penelitian ini bertujuan untuk mengembangkan dasar teori model konseptual resolusi kepemimpinan dan konflik, mengamati pengaruhnya untuk kepuasan kerja, komitmen dan efektivitas organisasi. Penelitian ini melakukan tes empiris mengenai hubungan antara variabel-variabel, yaitu gaya kepemimpinan adaptif, resolusi konflik, kepuasan kerja, komitmen afektif dan efektivitas organisasi. Penelitian ini mengembangkan model teoritis empiris sebagai dasar untuk menguji dan menganalisis konflik substantif dan gaya kepemimpinan adaptif integratif dan juga implikasinya terhadap otonomi tugas, kerja sama tim, kepuasan kerja, komitmen organisasi dan efektivitas program studi di universitas. Sampel dari penelitian ini adalah program studi utama dan atau departemen dari PTS di Kota Semarang. Path Analysis dengan Structural Equation Model digunakan untuk menganalisa dan menguji hipotesis. Penelitian ini telah mengungkapkan temuan baru, yaitu kemampuan gaya kepemimpinan adaptif integratif menjadi mediasi antara hubungan kepuasan kerja dan efektifitas organisasi.

The objective of the research is to develop a conceptual model of the basic theory of resolution leadership and conflict, to observe the influence of job satisfaction, commitment and organizational effectiveness. It is an empirical study to test the relationship of the variables such as adaptive leadership style, conflict resolution, job satisfaction, affective commitment and organizational effectiveness. The study develops an empirical theoretical model as a basis to test and analyze the substantive conflict and integrative adaptive leadership style and also the implications for task autonomy, teamwork, job satisfaction, organizational commitment and study programs effectiveness at the university. The samples of the
study are the main study programs or departments at private universities in Semarang. The data were analyzed by Path Analysis with Structural Equation Model to analyze and test the hypothesis. The result of the study shows the new finding; it is the ability of integrative adaptive leadership style becomes the mediation between job satisfaction and organizational effectiveness.
CO-INTEGRATION DAN CONTAGION EFFECT ANTARA PASAR SAHAM SYARIAH DI INDONESIA, MALAYSIA, EROPA, DAN AMERIKA SAAT TERJADINYA KRISIS YUNANI
Authors: Ikrima Tara Ninta , Muharam Harjum
Published: June 2015

Penelitian ini bertujuan untuk menganalisis dampak krisis di Yunani terhadap pergerakan harga saham syariah di Indonesia, Malaysia, Amerika Serikat, dan Eropa. Selain itu, penelitian ini juga menganalisis co-integrasi dan efek penularan (contagion effect) yang terjadi selama periode ini. Penelitian ini dilakukan karena ada perbedaan antara hasil penelitian tentang US Subprime Mortgage periode krisis tentang dampak pasar saham syariah. Penelitian ini menggunakan VAR (Vector Auto Regressive) dan VECM (Vector Error Correction Model) untuk menguji hipotesis dengan EViews 6 digunakan sebagai alat analisis statistik. Data yang digunakan dalam penelitian ini adalah indeks harga saham penutupan mingguan yang diambil dari perwakilan pasar saham syariah masing-masing negara, JII untuk Indonesia, DJIMY untuk Malaysia, DJIM US, dan MSCI untuk Eropa. Hasilnya menunjukkan bahwa Krisis Yunani tidak memiliki pengaruh terhadap pergerakan harga saham Islam di AS, Malaysia, Indonesia, dan Eropa. Namun ada co-integrasi dan penularan berpengaruh terhadap harga saham Islam di empat wilayah saat krisis Yunani itu terjadi.

 

The objective of the study was to analyze the Greece’s crisis impacts toward the movement of Islamic stock prices in Indonesia, Malaysia, USA, and Europe. Moreover, this study also analyzed co-integration and contagion effect which occurred during the period. VAR (Vector Auto Regressive) and VECM (Vector Error Correction Model) with eviews 6 were used to test the hypothesis as the statistical analysis tools. The data of this study were the weekly closing stock price indices taken from the representatives of Islamic stock markets of each country; JII in Indonesia, DJIMY in Malaysia, DJIM in USA, and MSCI in Europe. The result showed that the Greece’s crisis did not give any influence toward the movement of Islamic stock prices in USA, Malaysia, Indonesia, and Europe. However; there were co-integration and contagion effect which influenced on Islamic stock prices in those four regions at Greece’s crisis time.
RELEVANSI NILAI INFORMASI LABA DAN ARUS KAS TERHADAP HARGA SAHAM
Authors: Yendrawati Reni , Pratiwi Ratna Sari Indah
Published: June 2015

Penelitian ini bertujuan untuk menguji relevansi nilai laba atau arus kas terhadap hargasaham dalam tahap siklus hidup yang berbeda. Siklus hidup perusahaan terdiri dari  empat tahap: start up, growth, mature dan decline. Penelitian ini menggunakan data sekunder pada perusahaan yang terdaftar di Bursa Efek Indonesia (BEI) pada periode 2010-2012. Sampel yang digunakan dalam penelitian ini adalah 77 perusahaan dari industri manufaktur. Metode yang digunakan dalam pemilihan objek dalam penelitian ini adalah purposive sampling. Model analisis yang digunakan adalah analisis regresi berganda. Hasilnya membuktikan bahwa baik pada tahap growth, mature maupun laba lebih memiliki relevansi nilai dari pada arus kas terhadap harga saham. Penelitian ini tidak dapat menganalisis untuk tahap start-up, karena keterbatasan data sampel.

The objective of the study was to test the relevance of profit value and cash flow toward the share price in different life cycle stages. The corporate life cycle consists of four stages: start up, growth, mature, and decline stage. This study used secondary data on the companies listed on the Indonesian Stock Exchange in the period of 2010-2012. The samples of this study were 77 companies from manufacture industries. It was a purposive sampling. The data were analyzed by multiple regression analysis using SPSS 17. The results showed that in the mature stage, the analysis accepted the hypothesis that net income are more value relevance than cash flow toward the share price. However, in the growth stage  and decline stage, the analysis rejected the hypothesis. This research did not analyze the start-up stage because of the sample data limitation.
ANALISIS MODEL KEPUASAN TERHADAP PEMBELIAN ULANG
Authors: Farida Naili
Published: June 2015

Tujuan penelitian ini yaitu untuk menguji pengaruh brand equity, nilai pelanggan dan lifestyle yang dimediasi kepuasan konsumen terhadap pembelian ulang produk gadget di Kota Semarang. Responden dalam penelitian ini adalah seluruh konsumen yang telah melakukan pembelian produk gadget merek Samsung, sebanyak 120 orang. Teknik sampling yang digunakan yaitu purposive sampling. Teknik analisis yang digunakan yaitu Partial Least Square (PLS). Hasil penelitian menunjukkan bahwa terdapat pengaruh brand equity terhadap kepuasan, namun dalam konteks lifestyle dan nilai pelanggan tidak ada pengaruh terhadap kepuasan. Sedangkan kepuasan menunjukkan adanya pengaruh terhadap pembelian ulang. Diharapkan dari hasil penelitian ini mampu meningkatkan pembelian ulang melalui brand equity, lifestyle dan nilai pelanggan dalam konteks kepuasan.

 

The objective of the research was to test the influence of brand equity, customer value and lifestyle which were mediated by consumer satisfaction toward re-purchasing of gadget products in Semarang. The respondents of the study were all consumers who have purchased Samsung gadget products. It was a purposive sampling study with 120 respondents. The data were analyzed by Partial Least Square (PLS). The result of the study showed that there was an influence of brand equity toward satisfaction, but in the lifestyle context and customer value did not give any influence toward satisfaction. Whereas; the satisfaction gave influence toward re-purchase. It is expected that this study can increase the repurchase
through brand equity, lifestyle and customer values in the satisfaction context.
REAKSI PASAR TERHADAP DIVIDEND ANNOUNCEMENT PERUSAHAAN YANG SAHAMNYA MASUK DAFTAR EFEK SYARIAH
Authors: Khoiruddin Moh. , Faizati Evy Rochfa
Published: June 2015

Tujuan dilakukan penelitian ini adalah untuk menguji reaksi pasar yang diukur dengan variabel abnormal return dan trading volume activity (TVA) di sekitar pengumuman dividen (dividend announcement). Populasi dalam penelitian ini adalah semua pengumuman dividen dari perusahaan yang sahamnya masuk pada daftar efek syariah (DES) Indonesia pada tahun 2013, yang berjumlah 40. Sampel penelitian diambil dari semua jumlah populasi. Analisis data dilakukan dengan uji One Sample t-test untuk menguji reaksi pasar yang terjadi selama periode pengamatan (event window) 21 hari yaitu t-10 (10 hari sebelum pengumuman dividen), t0 (saat pengumuman dividen), dan t+10 (10 hari sesudah pengumuman dividen). Hasil penelitian menunjukkan terdapat reaksi pasar di sekitar hari pengumuman dividen yang diukur menggunakan variabel abnormal return dan trading volume activity (TVA).

 

The purpose of this study was to test the market reaction which was measured by abnormal return variable and trading volume activity (TVA) around the dividend announcement. The population of this study was all companies’s dividend
announcement which their shares were listed on Indonesia Syariah Securities List published in 2013, they were 40 companies. The samples were taken from all population. The data were analyzed by one sample t-test to test the market reactions which occurred during event window for 21 days; they were t-10 (10 days before the dividend announcement), t0 (at the dividend announcement time), and t+10 (10 days after the dividend announcement). Based on the research results, it can be seen that there was a market reaction around the dividend announcement which was measured by abnormal returns variable and trading volume activity (TVA).
ORGANIZATIONAL COMMITMENT AS THE BLACK BOX TO CONNECT THE ISLAMIC WORK ETHICS AND EMPLOYEES BEHAVIOR TOWARD ORGANIZATIONAL CHANGE
Authors: Wartini Sri , Harjiyanti Wahyu
Published: June 2015

The objective of the study was to examine the direct and indirect influences of Islamic work ethics on employees behavior toward organization change with organizational commitment as mediation. The population of the study was Public Civil Servants of the general inspectors of finance ministry. The samples were taken by Solvin method. It was a purposive sampling with 87 respondents. The results of the study showed that there was a direct influence of Islamic work ethics on organizational commitment, there was not any direct influence of organizational commitment on employees behavior toward organizational change, there was an indirect influence of Islamic work ethics on employees behavior toward organization change with organizational commitment as the mediation. It is concluded that there were a direct and an indirect influences of Islamic work ethics on employees behavior toward organizational commitmen as the mediation.

 

Tujuan penelitian ini untuk menguji pengaruh langsung dan tidak langsung etika kerja Islami pada perilaku karyawan terhadap perubahan organisasi dengan komitmen organisasional sebagai mediasi. Populasi dalam penelitian ini adalah karyawan Pegawai Negeri Sipil di Itjen Kementerian Keuangan RI sebanyak 87 responden, menggunakan metode Slovin dengan teknik Purposive Sampling. Berdasarkan hasil penelitian menunjukkan, bahwa terdapat pengaruh langsung etika kerja Islami pada komitmen organisasional, tidak terdapat pengaruh langsung komitmen organisasional pada perilaku karyawan terhadap perubahan organisasi, terdapat pengaruh langsung etika kerja Islami pada perilaku karyawan terhadap perubahan organisasi dan terdapat pengaruh etika kerja Islami pada perilaku karyawan terhadap perubahan organisasi dengan komitmen organisasional sebagai mediasi. Penelitian ini menyimpulkan, bahwa ada pengaruh langsung dan tidak langsung etika kerja Islami pada perilaku karyawan terhadap perubahan organisasi dengan komitmen organisasional sebagai mediasi.
Impact of Antibiotic Pretreatment on Bone Biopsy Yield for Children With Acute Hematogenous Osteomyelitis
Authors: Zhorne Derek J. , Altobelli Mary E. , Cruz Andrea T.
Published: June 2015

OBJECTIVE:

Pediatric acute hematogenous osteomyelitis (AHO) is a relatively common reason for hospitalization, but many variables require additional study, including the impact of antibiotic treatment on bone biopsy culture yield.

METHODS:

This was a retrospective study of children 60 days to 18 years old with AHO seen from 2011 to 2012 in whom bone biopsy cultures were obtained.

RESULTS:

A total of 67 children had biopsies; median age was 7 years; 40 were pretreated with antibiotics. Microbiologic confirmation was obtained for 72%: in 34%, both blood and bone cultures were positive; in 33%, bone cultures alone were positive; and 4% had only positive blood cultures. There was no difference in bone biopsy cultures for children who did and did not receive antibiotics before biopsy (28/40 [70%] vs 17/27 [63%], odds ratio 1.37, 95% confidence interval 0.49–3.86). For pretreated patients, the mean duration of therapy was longer in children with negative cultures (79 vs 40 hours, P = .04). Bacteremia was seen in 26 (39%), and was more common in antibiotic-pretreated children (55% vs 15%, odds ratio 7, 95% confidence interval 2.1–24.1). Among the 41 nonbacteremic children, bone cultures provided the only microbiologic diagnosis for 22 (54%): 20 Staphylococcus aureus, 2 Streptococcus pyogenes.

CONCLUSIONS:

In conclusion, although bone biopsy results were not affected by previous antibiotic administration, a longer duration of antibiotic therapy before bone biopsy was associated with lower culture yield. In one-third of children, only the bone biopsy resulted in an organism being isolated. As it may take longer to sterilize bone than blood, a bone biopsy/culture should be considered a crucial part of the AHO evaluation to increase diagnostic yield.
Communication at Pediatric Rapid Response Events: A Survey of Health Care Providers
Authors: McCrory Michael C. , Aboumatar Hanan A. , Hunt Elizabeth A.
Published: June 2015

Objectives:

The objective of this study was to explore perceptions of communication quality at pediatric rapid response events and to determine whether these perceptions differed between rapid response team (RRT) members (RRTm) and floor providers (FP).

Methods:

This survey study was conducted of clinical providers involved in RRT events at a tertiary care children’s hospital. Perceptions of RRT communication were assessed by using a 5-point Likert scale, and qualitative comments were collected. Responses were compared between RRTm (responder nurses and intensive care fellows) and FP (floor nurses and resident physicians).

Results:

Survey response was 64% (18 of 28) for RRTm and 70% (194 of 278) for FP. RRTm gave lower ratings than FP for communication of: (1) the purpose of the call; (2) airway and breathing; (3) circulation; (4) background information; and (5) possible diagnosis and treatment. RRTm were more likely than FP to indicate that description of background information delayed communication of critical management problems (“often”: RRTm, 7 of 17 [41%]; FP, 23 of 175 [13%]; “always”: RRTm, 2 of 18 [12%]; FP, 19 of 175 [11%]; P = .001 for overall comparison). A structured approach for communication was generally supported, although less strongly among floor nurses. Themes from qualitative responses included role confusion, fractured room entry, and a dismissive attitude by RRTm.

Conclusions:

A disconnect in perceived quality of communication was observed between RRTm and FP at pediatric rapid response events. A structured approach with well-defined roles may improve communication quality.
An Observed Structured Teaching Evaluation Demonstrates the Impact of a Resident-as-Teacher Curriculum on Teaching Competency
Authors: Zackoff Matthew , Jerardi Karen , Unaka Ndidi , Sucharew Heidi , Klein Melissa
Published: June 2015

Background and Objective:

Residents play a critical role in the education of peers and medical students, yet attainment of teaching skills is not routinely assessed. The primary aim of this study was to develop a novel, skill-based Observed Structured Teaching Evaluation (OSTE) and self-assessment survey to measure the impact of a resident-as-teacher curriculum on teaching competency. The secondary aim was to determine interrater reliability of the OSTE.

Methods:

A prospective study quantitatively assessed intern teaching competency via videotaped teaching encounters (videos) before and after a month-long hospital medicine rotation and self-assessment surveys over a 5-month period. The intervention group received the resident-as-teacher curriculum. Videos were evaluated by 2 blinded faculty via an OSTE covering 9 skills within 3 core components: preparation, teaching, and reflection. Pre- to post–HM rotation month differences were evaluated within and between groups using the Wilcoxon signed rank test and Wilcoxon rank-sum test, respectively.

Results:

Twenty-two of 25 (88%) control and 27 of 28 (96%) intervention interns participated; 100% of participants completed the study. The intervention group’s pre-post difference for the total OSTE score and the average self-assessed competence statistically improved; however, no significant difference was seen between groups. The difference in preparation scores was significant for the intervention compared with the control. The OSTE’s interrater reliability demonstrated good agreement with weighted kappas of 0.86 for preparation, 0.71 for teaching, and 0.93 for reflection.

Conclusions:

Implementation of an objective, skill-based OSTE detected observable changes in interns’ teaching competency after implementation of a brief resident-as-teacher curriculum. The OSTE’s good interrater reliability may allow standardized assessment of skill attainment over time.
The Practice Patterns of Recently Graduated Internal Medicine–Pediatric Hospitalists
Authors: O’Toole Jennifer K. , Friedland Allen R. , Gonzaga Alda Maria R. , Hartig Jason R. , Holliday Scott , Lukela Michael , Moutsios Sandra A. , Kolarik Russ
Published: June 2015

Objectives:

To identify the current practice patterns and professional activities of internal medicine–pediatrics (med-peds) hospitalists who have graduated in the past 5 years (June 2009–June 2013).

Methods:

The national Medicine-Pediatrics Program Directors Association (MPPDA) conducted a cross-sectional survey study of the 79 residency program directors who are members of the MPPDA regarding the practice patterns of recent graduates (from 2009–2013) currently practicing as hospitalists. The survey was distributed in the spring of 2014 on the MPPDA listserv. The survey inquired about time spent caring for hospitalized adults and children, medical school appointments, practice in freestanding children’s hospitals, and completion of hospital medicine (HM) fellowships.

Results:

Forty-nine program directors (62%) completed the survey and provided data on 1042 graduates from 46 programs. Of those graduates, 26.4% (n = 275) practice as hospitalists, and none had completed an HM fellowship. Approximately two-thirds (65%) of med-peds hospitalists provide care to hospitalized children and adults, with one-third providing care solely to hospitalized adults. Approximately one-half (53.5%) have an appointment with a medical school and roughly one-quarter (28%) practice in a freestanding children’s hospital.

Conclusions:

An increasing percentage of recent med-peds graduates are pursuing careers in HM, and two-thirds are providing care to hospitalized children. As consideration for an accredited pediatric HM fellowship continues, certifying and accrediting bodies should consider how this will impact the med-peds workforce and allow med-peds graduates flexibility in their training requirements that will permit them to acquire the necessary skills to care for hospitalized children and adults.
Blood Culture in Evaluation of Pediatric Community-Acquired Pneumonia: A Systematic Review and Meta-analysis
Authors: Iroh Tam Pui-Ying , Bernstein Ethan , Ma Xiaoye , Ferrieri Patricia
Published: June 2015

Background and Objective:

Current guidelines strongly recommend collection of blood cultures (BCs) in children requiring hospitalization for presumed moderate to severe bacterial community-acquired pneumonia (CAP). Our objective was to systematically review the international pediatric literature to evaluate how often BCs are positive in hospitalized children with CAP, identify the most commonly isolated pathogens, and determine the impact of positive BCs on clinical management.

Methods:

We identified articles in PubMed and Scopus published from January 1970 through December 2013 that addressed BCs in children with CAP. We extracted total number of BCs collected and prevalence of positive BCs and used meta-regression to evaluate whether subgroups had any impact on prevalence.

Results:

Meta-analysis showed that the overall prevalence of positive BCs was 5.14% (95% confidence interval 3.61–7.28). Studies focusing on severe CAP had a significant effect on prevalence (P = .008), at 9.89% (95% CI 6.79–14.19) compared with 4.17% (95% confidence interval 2.79–6.18) for studies not focusing on severe CAP. The most commonly isolated organisms were Streptococcus pneumoniae (76.7%) followed by Haemophilus influenzae (3.1%) and Staphylococcus aureus (2.1%). Contaminants accounted for 14.7%. Only 3 studies reported on BC-driven change in management, with contrasting findings.

Conclusions:

BCs in pediatric CAP identified organisms in only a small percentage of patients, predominantly S. pneumoniae. False-positive BC rates can be substantial. The 3 studies that examined BC-driven changes in management had conflicting results. This systematic review was limited by heterogeneous case definitions, which may overestimate the true prevalence of positive BCs in hospitalized children.
Genetic Basis of Congenital Heart Disease
Authors: Morton Sarah , Roberts Amy E.
Published: June 2015

The heart is the first organ to function during mammalian development. Cardiac morphogenesis is a carefully orchestrated process that involves numerous transcription factors and signaling pathways. Our understanding of the genetic factors important for cardiac development has progressed significantly during the past 2 decades, and it is possible to identify a genetic cause for an increasing number of patients with syndromic and nonsyndromic congenital heart disease. This review discusses the genes important in heart development and current techniques for evaluating possible genetic causes in neonatal intensive care unit patients.
Inotrope and Vasopressor Support in Neonates
Authors: Ruoss J. Lauren , McPherson Christopher , DiNardo James
Published: June 2015

Hemodynamic instability is a common problem in neonates and has important implications for long-term outcomes. Inotropes and vasopressors are commonly used to treat low blood pressure or poor perfusion in neonatal intensive care, despite limited evidence to guide optimal management in specific clinical situations. Dopamine is the most commonly used agent in clinical practice, increasing blood pressure with limited adverse effects compared with epinephrine. Dobutamine is less commonly used but may be the optimal agent for premature neonates with poor perfusion due to immature myocardial contractility. New evidence is emerging to guide the treatment of hypotension in the setting of sepsis and persistent pulmonary hypertension. Norepinephrine and vasopressin may have utility in the setting of refractory hypotension due to sepsis. Increasing evidence supports use of norepinephrine, milrinone, and vasopressin in the setting of persistent pulmonary hypertension. Hydrocortisone should be reserved for vasopressor-resistant hypotension in preterm neonates; however, this agent may also prove useful in the treatment of persistent pulmonary hypertension in term neonates. Further clinical trials are necessary to determine the optimal treatment algorithm for neonates with hemodynamic instability. Future trials should include physiologically relevant end points and long-term follow-up. However, one approach may not be efficacious for all neonates even with a similar diagnosis. Therefore, bedside assessment techniques should continue to be explored to allow tailored therapy based on real-time assessment of underlying physiology.
Cardiac Magnetic Resonance Imaging and Computed Tomography in Newborns With Congenital Heart Disease
Authors: Gupta Dipankar , Chandran Arun
Published: June 2015

Congenital heart disease continues to be a leading cause of neonatal morbidity; however, advancements in diagnostic technology and surgical techniques have markedly improved patient survival. In particular, in-depth noninvasive imaging with computed tomography angiography (CTA) and cardiac magnetic resonance imaging (CMRI) has had a tremendous effect on the amount of information available to the surgeon or interventionalist before any procedure. CTA and CMRI have their own advantages and disadvantages, and this review provides an overview of these technologies, highlighting clinical indications. This article also provides images and videotapes to better highlight our understanding of various complex congenital heart lesions.
New distribution records of Chaltenobatrachus grandisonae (Anura: Batrachylidae) in Patagonia, Chile
Authors: Díaz-Páez Helen , Alveal Nicza , Cisternas-Medina Ingrid , Ortiz Juan Carlos
Published: June 2015

Chaltenobatrachus grandisonae was first collected in Puerto Edén, Wellington Island, Magallanes Region, Chile, where the species has never been found again. Subsequently Basso et al. (2011) found it in two new localities in Lago del Desierto and Lago Nansen, Santa Cruz province, southern Patagonia, Argentina. Recently Cisternas et al. (2013) reported its presence in Laguna Caiquenes, Aysén Region, Chile. Our results provide distribution data between the northern and southern locations in Chile, and we confirm the presence of the species in Chilean Patagonia.
The Carandilla Palm (Trithrinax schizophylla Drude, Arecaceae) is not extinct in Brazil: first primary records from the Chaco region of Mato Grosso do Sul
Authors: Tomas Walfrido Moraes , Ishii Iria Hiromi , Urbanetz Catia , Tomas Marcelle Aiza , Camilo André Restel , Cano Ángela
Published: June 2015

We report the occurrence of several remnant stands of Trithrinax schizophylla Drude in Porto Murtinho municipality, southwestern Mato Grosso do Sul state, Brazil. Until recently, the species was considered as probably extinct in the country. Trithrinax schizophylla is found only in the Chaco provinces of Argentina, Paraguay, and Bolivia, with a narrow strip in the southwestern region of Mato Grosso do Sul. The region is one of the most modified inside the Pantanal wetland in Brazil, and conservation actions are in need to protect this and other species in the region.
First record of the Crested Eagle, Morphnus guianensis (Daudin, 1800) (Aves, Accipitridae) in the Cerrado of Minas Gerais state, Brazil
Authors: Moraes Larissa Lacerda , Zaidan de Souza Alexander , Ribon Rômulo
Published: June 2015

We present a new record of the Crested Eagle, Morphnus guianensis (Daudin, 1800), a rare forest eagle of the Neotropics on 22 May 2012 at a Cerrado area in Minas Gerais state, southeastern Brazil. The species has only two historical records in the state, both at areas formerly covered by Atlantic Forest. The finding raises the expectations for the maintenance of the species in the state, stressing the fact that this is the first species record in a Cerrado area in Eastern Brazilian states.
Exploring the Role of Phosphate Structural Distortions on the Sodium Jump Dynamics in NASICON Phases
Authors: Alam Todd M. , Bell Nelson , Wheeler Jill , Spoerke Erik D. , Cygan Randall T. , Ingersoll David
Published: June 2015

High temperature solid state sodium (23Na) magic angle spinning (MAS) NMR spin lattice relaxation times (T1) were evaluated for a series of NASICON (Na3Zr2PSi2O12) materials to directly determine Na jump rates. Simulations of the T1 temperature variations that incorporated distributions in Na jump activation energies, or distribution of jump rates, improved the agreement with experiment. The 23Na NMR T1 relaxation results revealed that distributions in the Na dynamics were present for all of the NASICON materials investigated here. The 23Na relaxation experiments also showed that small differences in material composition and/or changes in the processing conditions impacted the distributions in the Na dynamics. The extent of the distribution was related to the presence of a disordered or glassy phosphate phase present in these different sol-gel processed materials. The 23Na NMR T1 relaxation experiments are a powerful tool to directly probing Na jump dynamics and provide additional molecular level details that could impact transport phenomena.
Materials Development for High Efficiency Superconducting Nanowire Single-Photon Detectors
Authors: Lita A.E. , Verma V.B. , Horansky R. D. , Shainline J.M. , Mirin R.P. , Nam S.
Published: June 2015

Superconducting nanowire single-photon detectors (SNSPDs) based on ultra-thin films have become the preferred technology for applications that require high efficiency single-photon detectors with high speed, high timing resolution, and low dark count rates at near-infrared wavelengths. Since demonstration of the first SNSPD using NbN thin films, an increasingly larger number of materials are being explored. We investigate amorphous thin film alloys of MoSi, MoGe, and WRe with the goal of optimizing SNSPDs for higher operating temperature, high efficiency and high speed. To explore material adequacy for SNSPDs, we have measured superconducting transition temperature (Tc) as a function of film thickness and sheet resistance, as well as critical current densities. In this paper we present our results comparing these materials to WSi, another amorphous material widely used for SNSPD devices.
Interface and Nanostructural Engineering of Low-cost, Efficient and Stable Perovskite Solar Cells
Authors: Zhu Zonglong , Yang Shihe
Published: June 2015

Perovskite solar cells have caught wide attention. High efficiency, low-cost and high stability are among the major goals, which could eventually move the perovskite solar cells to the market. To achieve these goals, interface deliberation and nanostructural engineering hold the key.
1/f Noise in Mott Variable Range Hopping Conduction in p-type Amorphous Silicon
Authors: Lopes V.C. , Syllaios A.J. , Whitfield D. , Shrestha K. , Littler C.L.
Published: June 2015

We report on electrical conductivity and noise measurements made on p-type hydrogenated amorphous silicon (a-Si:H) thin films prepared by Plasma Enhanced Chemical Vapor Deposition (PECVD). The temperature dependent electrical conductivity can be described by the Mott Variable Range Hopping mechanism. The noise at temperatures lower than ∼ 400K is dominated by a 1/f component which follows the Hooge model and correlates with the Mott conductivity. At high temperatures there is an appreciable G-R noise component.
Silica Nanosphere Lithography Defined Light Trapping Structures for Ultra-thin Si Photovoltaics
Authors: Vulic Natasa , Choi Jea-Young , Honsberg Christiana B. , Goodnick Stephen M.
Published: June 2015

Periodic arrays of low-aspect ratio silicon nanopillars strongly reduce front surface reflection over a broad wavelength range. In this study, we numerically simulate the reflection of light for thick crystalline silicon substrates nanostructured through a combination of silica nanosphere lithography (SNL) and metal-assisted chemical etching (MaCE), producing ordered arrays of nanopillars with hexagonal periodicity. Using statistical methods, we show that the simulated measurements are in good agreement with the spectrophotometry measurements of the fabricated nanopillars.
Potential of Polarized PVDF/Carbon Nanotube Nanocomposite Scaffolds for Cell Growth
Authors: Lim Jun Young , Park Sook Young , Kim Hyun Jeong , Seo Yongsok
Published: June 2015

We investigated the effects of varying the multiwalled carbon nanotube (MWCNT) contents, as well as the additional use of drawing and poling on the polymorphic behavior and electroactive (piezoelectric) properties of the cast poly(vinylidene fluoride) (PVDF)/MWCNT membranes. Dramatic changes occurred in the polar β-phase crystal contents with the MWCNT loading. An optimum concentration of MWCNT exists for PVDF film polarization. On the other hand, films prepared by electrospinning process exhibited almost constant amount of β-phase with the MWCNT concentration. In this process, polymer fibers with diameters down to the nanometer range, or nanofibers, are formed by subjecting a fluid jet to a high electric field. The remanent polarization and piezoelectric response increased with the β-phase crystals. Cell adhesion and proliferation measured with MTT (Methylthiazolyl diphenyl-tetrazolium bromide) assay coincidentally responded to the polarized PVDF films (β-phase amount).
Surface-Initiated Group-Transfer Polymerization – A Catalytic Approach to Stimuli-Responsive Silicon Nanocrystal Hybrid Materials
Authors: Kehrle Julian , Helbich Tobias , Iqbal Muhammad , Hadidi Lida , Veinot Jonathan G.C. , Rieger Bernhard
Published: June 2015

Silicon nanocrystals are photoluminescent materials with a tremendous scope in various niche applications especially the generation of hybrid materials. Our approach for the preparation of stimuli responsive SiNC hybrid materials is based on the application of surface-initiated group-transfer polymerization. As a first step we used photografting of ethyleneglycol di(methacrylate). Then we impregnated remaining methyl acrylic surface groups with the catalyst Cp2YCH2TMS(thf). We performed polymerization studies regarding catalyst and diethyl vinylphosphonate (DEVP) concentrations, highlighting that surface grafting is dependent upon catalyst concentration and independent from added monomer amount. Furthermore, we successfully polymerized methyl methacrylate, dimethyl vinylphosphonate and diisopropyl vinylphosphonate from the SiNC surface.
Characterization of Ge1-x-ySixSny Ternary Alloy Surfaces and Ni/Ge1-x-ySixSny Bilayer Reactions by X-Ray Techniques
Authors: Grzybowski Gordon J. , Kiefer Arnold , Claflin Bruce
Published: June 2015

Interest in next generation devices that integrate photonic and electronic functionality is focused on extending the capability of existing group IV material systems while maintaining compatibility with existing processing methods and procedures. One such class of materials which has been recently developed, Ge1-x-ySixSny ternary alloys, is being investigated for integrated Si photonics, solar cell materials, telecommunication applications, and for IR photodetectors. These alloys afford the opportunity to decouple the band gap energies and lattice constants over a wide range of values, potentially yielding direct and indirect character that can be coupled with a variety of different substrates dependent on composition.

In the present work, we report X-ray photoelectron spectroscopy (XPS) characterization of Ge1-x-ySixSny alloys grown by gas-source molecular beam epitaxy (GS-MBE) and investigate Ni- Ge1-x-ySiySny bilayer reactions with x-ray diffraction (XRD). The surface oxidation of samples stored in ambient conditions were measured with XPS. High resolution spectra showed chemical shifts of Ge, Si and Sn peaks consistent with Ge-O, Si-O and Sn-O bond formation. Depth profiling indicates a homogeneous composition throughout the bulk of the sample with surface oxidation confined to the top few nanometers. A highly tin-enriched layer was indicated at the surface of the material, while silicon was observed to be either enriched or depleted at the surface depending on the sample.

To study the interaction of the ternary with an ohmic contact commonly used in device fabrication processes today, nickel layers 30 nm thick were evaporated onto the alloys and were annealed in nitrogen up to 400 °C for periods as long as 1 hour. The XRD data show that the Ni2(Ge1-x-ySixSny) phase forms first followed by Ni(Ge1-x-ySixSny).
Nano-laminating of SiO2 and TiO2: Atomic layer deposition as a tool to gain new insight into interfaces
Authors: Sobel Nicolas , Hess Christian
Published: June 2015

Atomic layer deposition (ALD) was used to deposit a laminate structure of alternating SiO2 and TiO2 monolayers onto a Si wafer. The resulting samples were analyzed in detail by X-ray photoelectron spectroscopy (XPS) revealing a distinct O 1s signature due to the presence of Si-O-Ti species. These findings are in good agreement with those reported for thin ALD films of TiO2 grown on SiO2.
MOF-177/graphene composite as a selective sensor for nitro aromatic compounds
Authors: Neti Venkata
Published: June 2015

A zinc-based metal-organic framework, MOF-177, was synthesized on the surface of benzoic acid functionalized reduced graphene oxide (BFG). Large amount of BFG (30wt %) slightly improved the stability of the MOF on the graphene surface, decreased the porosity of the composite, and resulted in 1mm long and 50µm wide microrods of MOF-177/BFG composites which act as a selective sensor for trinitrophenol compared to trinitrotoluene.
Nanofiber-Based Membrane Separators for Lithium-ion Batteries
Authors: Alcoutlabi Mataz , Lee Hun , Zhang Xiangwu
Published: June 2015

Nanofiber-based membranes were prepared by two different methods for use as separators for Lithium-ion batteries (LIBs). In the first method, Electrospinning was used for the fabrication of Polyvinylidene fluoride PVDF nanofiber coatings on polyolefin microporous membrane separators to improve their electrolyte uptake and electrochemical performance. The nanofiber-coated membrane separators show better electrolyte uptake and ionic conductivity than that for the uncoated membranes. In the second method, Forcespinning® (FS) was used to fabricate fibrous cellulose membranes as separators for LIBs. The cellulose fibrous membranes were made by the Forcespinning® of a cellulose acetate solution precursor followed by a subsequent alkaline hydrolysis treatment. The results show that the fibrous cellulose membrane-based separator exhibits high electrolyte uptake and good electrolyte/electrode wettability and therefore can be a good candidate for high performance and high safety LIB separators.
Relevance of Threading Dislocations for the Thermal Oxidation of GaN (0001)
Authors: Reiner Maria , Koller Christian , Pekoll Kurt , Pietschnig Rudolf , Ostermaier Clemens
Published: June 2015

The influence of threading dislocations (TDs) on the dry thermal oxidation of c-plane gallium nitride (GaN) is investigated for oxidation temperatures above 800°C. The transformation of GaN to gallium oxide (Ga2O3) is preferably found at TDs and grain boundaries, showing enhanced vertical oxidation, compared to defect free surface sites. Therefore, the increase in surface roughness commonly obtained upon oxidation is explained by an inhomogeneous chemical reactivity associated with those crystal defects. Additionally, annealing in an N2 atmosphere showed that also decomposition is favored at such chemically reactive spots. Comparison between decomposition and oxidation suggests that at temperatures above 950°C, the Ga2O3 formation is supported by the decomposition of GaN and subsequent oxidation of the metallic gallium.
RETRANSPLANTATION OF THE LIVER
Authors: Kornilov M. N.
Published: June 2015

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UNDERSTANDING EVOLUTION ON THE CAUSES OF LATE RENAL ALLOGRAFT DYSFUNCTION
Authors: Stolyarevich E. S. , Tomilina N. A.
Published: June 2015

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SVERDLOVSK REGIONAL HOSPITAL KIDNEY TRANSPLANT REPORT (1990–2013)
Authors: Boreckaja E. I. , Zlokazov V. B. , Klimusheva N. F. , Vikharev S. V.
Published: June 2015

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HORSESHOE KIDNEY TRANSPLANTATION (OPERATIVE TECHNIQUE)
Authors: Galeev Sh. R. , Galeev R. Kh. , Akhundov R. N. , Gaynullov A. N. , Kadyrov O. M.
Published: June 2015

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CELL-ENGINEERED CONSTRUCTS IN TISSUE ENGINEERING AND REGENERATIVE MEDICINE
Authors: Sevastianov V. I.
Published: June 2015

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ORGANIZATIONAL ASPECTS OF ORGAN DONATION IN ST. PETERSBURG
Authors: Nikolaev G. V. , Gordeev M. L. , Karpenko M. A. , Granov D. A. , Solntsev V. N. , Deynega V. I. , Remizov M. L.
Published: June 2015

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CURRENT STATE OF DONOR PROCUREMENT SERVICE IN THE SVERDLOVSK REGION
Authors: Serebryakov I. Yu. , Badaev F. I. , Klimusheva N. F. , Leshchenko I. G.
Published: June 2015

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COMPARATIVE ANALYSIS OF THREE-DIMENSIONAL NANOSTRUCTURE OF POROUS BIOCOMPATIBLE SCAFFOLDS MADE OF RECOMBINANT SPIDROIN AND SILK FIBROIN FOR REGENERATIVE MEDICINE
Authors: Agapova O. I. , Efimov A. E. , Moisenovich M. M. , Bogush V. G. , Agapov I. I.
Published: June 2015

Aim.To perform a comparison of three-dimensional nanostructure of porous biocompatible scaffolds made of fibroinBombix moriand recombinant spidroin rS1/9.Materials and methods.Three-dimensional porous scaffolds were produced by salt leaching technique. The comparison of biological characteristics of the scaffolds shows that adhesion and proliferation of mouse fibroblastsin vitroon these two types of scaffolds do not differ significantly. Comparative experimentsin vivoshow that regeneration of bone tissue of rats is faster with implantation of recombinant spidroin scaffolds. Three-dimensional nanostructure of scaffolds and interconnectivity of nanopores were studied with scanning probe nanotomography (SPNT) to explain higher regenerative activity of spidroin-based scaffolds.Results.Significant differences were detected in the integral density and volume of pores: the integral density of nanopores detected on 2D AFM images is 46 μm–2    and calculated volume porosity is 24% in rS1/9-based scaffolds; in fibroin-based three-dimensional structures density of nanopores and calculated volume porosity were 2.4 μm–2  and 0.5%, respectively. Three-dimensional reconstruction system of nanopores and clusters of interconnected nanopores in rS1/9-based scaffolds showed that volume fraction of pores interconnected in percolation clusters is 35.3% of the total pore volume or 8.4% of the total scaffold volume.Conclusion.Scanning probe nanotomography method allows obtaining unique information about topology of micro – and nanopore systems of artificial biostructures. High regenerative activity of rS1/9-based scaffolds can be explained by higher nanoporosity of the scaffolds.
ORGAN DONATION AND TRANSPLANTATION IN THE RUSSIAN FEDERATION IN 2014 7th REPORT OF NATIONAL REGISTER
Authors: Gautier S. V. , Moysyuk Ya. G. , Khomyakov S. M.
Published: June 2015

Aim. To carry out monitoring of the organization and development of organ donation and transplantation in the Russian Federation according to 2014. Materials and methods. Questioning of heads of all the centers of transplantation is carried out. The comparative analysis of the obtained data in dynamics of years, between certain regions of the Russian Federation, the transplantation centers, and also with data of the international registers is made. Results. According to the Register in 2014 in the Russian Federation functioned 36 centers of kidney transplantation, 14 centers of liver transplantation and 9 centers of heart transplantation. The waiting list of kidney transplantation in 2014 included 4636 potential recipients that makes 16% of total number of the patients 29 000 receiving dialysis. The rate of donor activity in 2014 made 3.2 per million population (pmp). Efficiency of donor programs in 2014 continued to increase: the share of effective donors after brain death in 2014 increased to 77.2%, the share of multiorgan explantation made 50.5%, average number of organs received from one effective donor made 2.6. In 2014 the rate of kidney transplantation made 7.0 pmp, the rate of liver transplantation made 2.1 pmp and the rate of heart transplantation made 1.1 pmp. In the Russian Federation the number of transplantations of liver and heart continues to increase. The significant contribution to development of the organ donation and transplantation brings the Moscow region in which 11 centers of transplantation function and nearly a half from all kidney transplantations and more than 65% of all liver and heart transplantations are carried out. Conclusion. In theRussian Federation the potential for further development of the transplantology remains. In particular, at the expense of increase in the efficiency of regional donation programs, introduction of technologies, expansion of the practices of multiorgan donation and transplantations of extrarenal organs, interregional transplant coordination. Preservation of volumes of public funding for transplantological medical care and federal financing of donation programs in regions are of great importance.
THREE DECADES OF HEART TRANSPLANTATION IN THE SHUMAKOV CENTER: LONG-TERM OUTCOMES
Authors: Gautier S. V. , Shevchenko A. O. , Kormer A. Ya. , Poptsov V. N. , Saitgareev R. Sh. , Shumakov D. V. , Zakharevich V. M.
Published: June 2015

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NEW PRACTICE OF TREATMENT OF CRITICAL HEART FAILURE
Authors: Gautier S. V. , Poptsov V. N.
Published: June 2015

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ENDOVASCULAR INTERVENTIONS IN PATIENTS AFTER HEART TRANSPLANTATION
Authors: Mironkov B. L.
Published: June 2015

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5-YEAR EXPERIENCE OF ORTHOTOPIC HEART TRANSPLANTATION IN THE KRASNODAR REGION
Authors: Barbukhatti K. O. , Kosmacheva E. D. , Kolodina M. V. , Boldirev S. Yu. , Belash S. A. , Yakuba I. I. , Skopets A. A. , Porkhanov V. A.
Published: June 2015

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LIVER TRANSPLANTATION IN RUSSIA: 25-YEAR EXPERIENCE AND CURRENT SOLUTIONS
Authors: Gautier S. V.
Published: June 2015

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