bluuebunny/crossref_metadata_2025 huggingface dataset:
Photoabsorption markers of pressure-induced phase changes in small mercury clusters. A case study on Hg8
Authors: Šarmanová Martina , Vítek Aleš , Ćosić Rajko , Kalus René
Published: November 2019

Evolution of low-temperature Hg8 absorption spectrum with increased external pressure.
Zn-mediated decarboxylative carbagermatranation of aliphatic N-hydroxyphthalimide esters: evidence for an alkylzinc intermediate
Authors: Jiang Wei-Tao , Yang Shuo , Xu Meng-Yu , Xie Xiu-Ying , Xiao Bin
Published: November 2019

Alkyl carbagermatranes (Ge) synthesized from corresponding NHP esters was achieved. Mechanistic studies indicate that alkyl zinc intermediate was involved.
Arrested dynamics of the dipolar hard sphere model
Authors: Elizondo-Aguilera Luis F. , Cortés-Morales Ernesto C. , Zubieta Rico Pablo F. , Medina-Noyola Magdaleno , Castañeda-Priego Ramón , Voigtmann Thomas , Pérez-Ángel Gabriel
Published: November 2019

We report the results of molecular dynamics simulations and theoretical calculations concerning various dynamical arrest transitions in a model system consisting inN(soft core) rigid spheres interacting through a truncated dipole–dipole potential.
Dynamics of droplets on cones: self-propulsion due to curvature gradients
Authors: McCarthy John , Vella Dominic , Castrejón-Pita Alfonso A.
Published: November 2019

We study the dynamics of droplets driven by a gradient of curvature, as may be achieved by placing a drop on the surface of a cone.
Fabrication of a β-cyclodextrin-based self-assembly containing a redox-responsive ferrocene
Authors: Jiang Bing , Guo Huichuang , Zhao Li , Xu Baocai , Wang Ce , Liu Changyao , Fan Haiming
Published: November 2019

A novel redox-responsive self-assembly based on a β-cyclodextrin derivative containing a ferrocene moiety was constructed successfully.
Beyond 10% efficiency Cu2ZnSnS4 solar cells enabled by modifying the heterojunction interface chemistry
Authors: Sun Kaiwen , Yan Chang , Huang Jialiang , Liu Fangyang , Li Jianjun , Sun Heng , Zhang Yuanfang , Cui Xin , Wang Ao , Fang Zhao , Cong Jialin , Lai Yanqing , Green Martin A. , Hao Xiaojing
Published: November 2019

ZnCdS buffer layers deposited from high concentration ammonia enable a less defective interface and over 10% efficiency Cu2ZnSnS4 solar cell.
Highly polarization-sensitive, visible-blind and self-powered ultraviolet photodetection based on two-dimensional wide bandgap semiconductors: a theoretical prediction
Authors: Luo Yongzhi , Hu Yibin , Xie Yiqun
Published: November 2019

A self-powered, visible-blind and ultraviolet polarized photodetector driven by the photogalvanic effect based on MgBr2/CdCl2 heterostructure war proposed, showing an extinction ratio of up to 280.
Understanding the mechanisms that determine extracellular matrix remodeling in the infarcted myocardium
Authors: Tenkorang Mavis A.A. , Chalise Upendra , Daseke, II Michael J. , Konfrst Shelby R. , Lindsey Merry L.
Published: November 2019

Myocardial Infarction (MI) initiates a series of wound healing events that begins with up-regulation of an inflammatory response and culminates in scar formation. The extracellular matrix (ECM) is intricately involved in all stages from initial break down of existing ECM to synthesis of new ECM to form the scar. This review will summarize our current knowledge on the processes involved in ECM remodeling after MI and identify the gaps that still need to be filled.
Preimplantation genome editing: CCR5 in China
Authors: Mills Pete
Published: November 2019

Part of the criticism of the one reported case of human preimplantation genome editing (PGE) turned on the inadequacy of the purpose for which it was undertaken (inherent immunity to HIV) and its target (the CCR5 gene). The discussion of CCR5 in this context reveals the different values that inform the idea of acceptable uses of PGE and of the conditions of responsible biomedical innovation among the scientist responsible and his critics. While the use of PGE for any indication remains unacceptable (or, at the very least, premature), neither position offers a satisfactory response to this prospective biotechnology.
Deploying tactical communication node vehicles with AlphaZero algorithm
Authors: Zou Xiaofei , Yang Ruopeng , Yin Changsheng , Nie Zongzhe , Wang Huitao
Published: November 2019

The construction of mobile ad‐hoc networks on the battlefield is mainly planned by staff or automatically planned with the help of network topology planning models in the network planning software. Most of these algorithms are actually more or less based on human knowledge or thinking ways to model network entities, environments, and rules, and the accuracy and rationality of models are not strong enough to match the changed battlefield. The AlphaZero algorithm generalised in chess and other games provides a new intelligent method to solve complex problems in the military field. Based on the AlphaZero algorithm, this study proposes a method for intelligent deployment of mobile ad‐hoc networks with tactical communication node vehicles. Making an analogy between deploying tactical communication node vehicles and playing Go, the authors construct a deep reinforcement learning model for deployment of communication node vehicles. Starting from random play, and giving no domain knowledge, only setting the judgment of the network structure, with training the designing strategy value deep neural network by self‐play reinforcement learning, they successfully deployed communication node vehicles on tabula rasa map and constructed battlefield mobile ad‐hoc networks with deep reinforcement learning and Monte–Carlo tree search.
Regulation of active and reactive power of a virtual oscillator controlled inverter
Authors: Ali Muhammad , Li Jiacheng , Callegaro Leonardo , Nurdin Hendra I. , Fletcher John E.
Published: November 2019

Utilisation of variable distributed energy sources in a microgrid necessitates control of active power and is enhanced by the control of reactive power. A control technique to regulate the active and reactive power of a virtual oscillator controlled inverter is presented. Current feedback gain of the virtual oscillator controlled inverter is used to regulate the active or reactive power. In order to achieve the desired power set‐point, a PI controller is used to tune the current feedback gain. An approximate local stability analysis is presented using the system linearisation and eigenvalues analysis. Constraints on the virtual oscillator controller and system parameters are identified to ensure the stability of the system. Global stability of the system is investigated by determining a Lyapunov function using the sum‐of‐squares technique. Simulation and experimental results are presented for both the cases of active and reactive power control of a virtual oscillator controlled inverter to verify the analytical analysis and to demonstrate the effectiveness of the proposed control scheme.
Curcumin reduces malondialdehyde and improves antioxidants in humans with diseased conditions: a comprehensive meta-analysis of randomized controlled trials
Authors: Alizadeh Mohammad , Kheirouri Sorayya
Published: November 2019

Objective: This systematic review and meta-analysis was conducted to collate the effects of curcumin on MDA and antioxidant markers in individuals with diseased conditions. In this study the research question was “does curcumin supplementation improves oxidative stress and antioxidant defense enzymes in human subjects compared to a group without curcumin supplementation?

Methods: This research included randomized controlled trials published in English in any year, in which intervention with curcumin was compared to either placebo, or standard of care or no intervention. Pubmed, Embase, Cochrane Central, Scopus and Google Scholar were searched. Meta-analysis was performed using RevMan (version 5.3), with standardized mean differences (SMD) and random-effects models.

Results: One hundred twenty-seven titles and abstracts were identified which 17 articles were included for final analysis. The number of participants ranged from 22 to 160 across the included studies. The duration of intervention, dose of curcumin and location of outcomes measurements varied across the studies. Curcumin significantly reduced MDA [SMD −0.46 (95% CI: −0.68 to −0.25)] and increased superoxide dismutase (SOD) [0.82 (0.27 to 1.38)], catalase [10.26 (0.92 to 19.61)], and glutathione peroxidase [8.90 (6.62 to 11.19)] when compared with control group. Subgroup analyses displayed that curcumin could significantly reduce MDA levels with or without use of piperine, however it could increase SOD level in presence of piperine.

Conclusions: These findings suggest that curcumin may be used as an adjunct therapy in individuals with oxidative stress. The administration of piperine with curcumin may enhance the efficacy of curcumin on antioxidant defense system.
Das Hautarztverfahren in der Praxis – ein persönlicher Erfahrungsbericht
Authors: Häberle M.
Published: November 2019

Das Hautarztverfahren bietet seit 1972 Personen mit beruflich verursachten Hauterkrankungen viele Möglichkeiten zu Prävention, Diagnostik und Therapie. Schwere und/oder wiederholt rückfällige Hauterkrankungen (BK 5101) werden von allen 80 gelisteten Berufskrankheiten der Berufskrankheitenverordnung (BKV) in Deutschland am häufigsten gemeldet. Für keine andere Berufskrankheit (BK) existiert ein dem Hautarztverfahren vergleichbares vorgeschaltetes Programm, das die Tätigkeitsaufgabe verhindern soll. Das Leistungsspektrum der Unfallversicherungsträger (UVT) geht weit über das der gesetzlichen Krankenkasse hinaus. Dazu gehören die Behandlung der Hauterkrankung „mit allen geeigneten Mitteln“ gemäß § 3 BKV, Präventionsmaßnahmen, Schulungen und Arbeitsplatzanalysen mit Optimierung der persönlichen Schutzausrüstung (PSA). Gemäß § 41 des Vertrags Ärzte/Unfallversicherungsträger ist jeder Arzt verpflichtet, unverzüglich einen Versicherten dem Hautarzt vorzustellen, bei dem die Möglichkeit einer beruflichen Verursachung seiner Hauterkrankung besteht. Deshalb kommt dem niedergelassenen Dermatologen eine Schlüsselrolle in der Versorgung zu. Die Zahl der Erstmeldungen ist in jüngster Zeit rückläufig. Schilderungen aus dem Praxisalltag sollen Neu- und Wiedereinsteigern Mut machen, die Berufsdermatologie als wichtiges Segment unseres Fachgebietes zu praktizieren.
Vergleich der Spongiosamorphologie aus humaner Halswirbelsäule (HWS), Brustwirbelsäule (BWS) und Lendenwirbelsäule (LWS) einer 102-jährigen Körperspenderin
Authors: Schröder Guido , Wendig Detlef , Jabke Benjamin , Schulze Marko , Wree Andreas , Kundt Günther , Manhart Johannes , Martin Heiner , Sahmel Olga , Andresen Reimer , Schober Hans-Christof
Published: November 2019

Osteoporose-typische Frakturen treten nicht in der Halswirbelsäule auf. Knochenhistologische und QCT-Untersuchungen zeigen eine höhere trabekuläre Dichte in der HWS im Vergleich zu den anderen Wirbelsäulenabschnitten. Mikro-CT-Untersuchungen (µ-CT) aller Wirbelkörper zu dieser Problematik sind uns nicht bekannt. Das Ziel der vorliegenden Untersuchung war der Vergleich von Spongiosa aus allen 24 Wirbelkörpern vom HWK 1 bis zum LWK 5 einer 102-jährigen Körperspenderin hinsichtlich Knochenmineralgehalt (KMG), Trabekeldicke (Tb.Th.) und deren Separation (Tb.Sp.). Mittels Jamshidi-Nadel® wurden die Proben gewonnen. Anschließend erfolgte eine µ-CT Analyse. Der höchste KMG fand sich in der HWS (81,8 ± 37,4 mg/cm3). Der Unterschied zu den anderen Abschnitten der Wirbelsäule – BWS (30,9 ± 27,0 mg/cm3, p = 0,005) und LWS (30,9 ± 19,4 mg/cm3, p = 0,048) war statistisch signifikant. Der Vergleich der Werte zwischen BWS und LWS ergab keinen signifikanten Unterschied (p > 0,05). Bezüglich der Tb. Th. und der Tb. Sp. in HWS, BWS und LWS ließen sich keine signifikanten Unterschiede feststellen (p > 0,05). Auch im Einzelfall einer 102-jährigen ist der mittels µ-CT gemessene KMG der HWS signifikant höher als in den anderen Wirbelsäulenabschnitten.
Deciduoma, a Large Intrauterine Mass of Deciduosis
Authors: Dasani Megha , Lee Hwa Jeong , Rijhsinghani Asha
Published: November 2019

Deciduosis is the presence of ectopic decidual tissue outside the uterus, pelvic, or abdominal organs usually associated with pregnancy. It usually presents as smaller lesions but can be larger vascular lesions. Typically, these masses are detected incidentally during operative procedures. Our patient was referred at 14 weeks for a large intrauterine mass detected on ultrasound examination that was initially thought to be an acardiac twin. The mass was highly vascularized. However, since the patient was asymptomatic, she strongly desired to continue the pregnancy. The pregnancy was followed closely from 14 to 39 weeks with serial ultrasound examinations. The vascularity was documented to diminish overtime and the mass appeared to convolute as well. Due to the decrease in vascularity of the mass, the patient was allowed spontaneous vaginal delivery at term. Following delivery of the fetus and the placenta, the mass was easily extracted manually without any complications.
Staging in giant vestibular schwannoma surgery: A two consecutive day technique for complete resection in basic neurosurgical setups
Authors: Bandlish Deepak , Biswas Nilay , Deb Sumit
Published: November 2019

Introduction: Vestibular schwannomas constitute 8% of all intracranial tumors. A majority of vestibular schwannomas are sporadic and unilateral. Giant vestibular schwannomas are seen in our country due to the late diagnosis and long duration of symptoms before diagnosis. These giant schwannomas are challenging to manage as most of the patients are having brainstem compression. Materials and Methods: Twelve cases of a giant vestibular schwannoma were operated in our department between May 2011 and December 2012. Vestibular schwannomas with a maximal diameter of more than 4 cm were defined as a giant vestibular schwannoma. All the patients had a unilateral vestibular schwannoma. Performance status of all the patients were graded as per the Karnofsky performance score. Pre-operative assessment of 5th, 7th, 8th and lower cranial nerve status was done in all cases. Ventriculoperitoneal shunting was done pre-operatively in all cases. All patients were operated through retromastoid suboccipital craniectomy and retrosigmoid approach. These patients were operated in two stages in two consecutive days with overnight elective ventilation in ICU. Ultrasonic aspirator and nerve monitoring techniques were not used. Results: Giant acoustic schwannomas can be safely resected completely by a staged resection on two consecutive days without any increased morbidity or mortality. This technique may be employed to achieve complete resection of such lesions without deterioration of facial nerve function in institutions which do not have advanced facilities like nerve monitoring or ultrasonic aspirator.
Stent-assisted coiling of wide-necked intracranial aneurysms using the Solitaire AB stent
Authors: Huded Vikram , Nair Rithesh R. , Vyas Devashish D. , Chauhan Bhumir N.
Published: November 2019

Context: Stent-assisted coiling of wide-necked and complex intracranial aneurysms is an effective and feasible treatment option. The self-expanding, fully retrievable Solitaire AB (eV3, Irvine, CA, USA) stent is the latest neurovascular remodeling device available. To the best of our knowledge, there are no studies of Solitaire AB-assisted coiling of wide-necked intracranial aneurysms from India. Aim: Solitaire AB-assisted coiling of wide-necked intracranial aneurysms. Materials and Methods: The study was conducted in a tertiary care center with a dedicated Interventional Neurology division from 2009 to 2013. Consecutive patients with wide-necked aneurysms who underwent coiling assisted by the Solitaire AB stent were enrolled in the study. Axium 3D and Helix (eV3, Irvine, CA, USA) platinum coils were used to densely pack the aneurysm sac after deploying the stent across the neck. All patients were pretreated with antiplatelets according to protocol. Subsequently, dual antiplatelets were given for 6 months followed by continued aspirin. Outcome was assessed at 3 months using the modified Rankin Scale. Statistical Analysis Used: Statistical analysis was done using the SPSS 17.0 software. Results: A total of 16 patients underwent stent-assisted coiling. The most common site was the internal carotid artery (nine patients), median aneurysm size was 7 mm and median neck diameter was 5 mm. Thirteen patients presented with ruptured aneurysms. We achieved complete occlusion in all patients with no major complications. Thirteen patients were followed up, all have an mRS score of zero or one. Conclusion: We conclude that for wide-necked aneurysms, stent-assisted coiling using the Solitaire AB is a safe and effective treatment option.
Complex Cloacal Malformations: The Application and Importance of Cloacagrams
Authors: Smith Caitlin A. , Patel Manish , Koo Kevin S.H.
Published: November 2019

Cloaca is a rare complex anorectal malformation in female patients where the urinary, gynecologic, and gastrointestinal tracts empty through a single pathway, known as the common channel. Previously, cloacas were measured through endoscopic evaluation alone. In recent years, radiographic imaging of the cloaca with a 3D cloacagram, has been a valuable tool for the characterization of the specific anatomical variables in each cloaca, and provides additional information that is beneficial for the preoperative surgical planning. This article reviews the embryology of cloaca, as well as the classification, noninvasive imaging, cloacagram protocol, and surgical intervention.
Human Papillomavirus Related Multiphenotypic Sinonasal Carcinoma: Report of a Case with Early and Progressive Metastatic Disease
Authors: Rodarte Alejandro I. , Parikh Anuraag S. , Gadkaree Shekhar K. , Lehmann Ashton E. , Faquin William C. , Holbrook Eric H. , Lin Derrick T.
Published: November 2019

Introduction Human papillomavirus (HPV) related multiphenotypic sinonasal carcinoma (HMSC) is a newly described entity. The prognosis of this neoplasm is not well understood, but cases often demonstrate high-grade features and paradoxically indolent behavior.

Case Report We present the case of a 65-year-old man referred with unilateral nasal congestion and epistaxis. Nasal endoscopy and imaging revealed an expansile mass filling the left nasal cavity. The patient underwent endoscopic-assisted medial maxillectomy, with complete resection and negative margins. Pathology revealed a basaloid tumor consisting of solid nests with multiple foci of cribriform architecture, with positivity for high-risk HPV, thus supporting the diagnosis of HMSC. Postoperatively, the patient received 66.6-Gy adjuvant three-dimensional proton therapy. Twenty-three months after surgical resection, he developed enlarging pulmonary nodules with biopsy features consistent with the primary sinonasal tumor. He was treated with three cycles of chemotherapy and eight cycles of immunotherapy, progressing on both therapies. He remains on palliative chemotherapy.

Conclusion Here, we present a case of HMSC with early and progressive distant metastasis. We aim to add to an understanding of the behavior of this entity. Although this neoplasm may typically be indolent, further classification of high-risk features is necessary to identify rare aggressive cases.
Antenatal Magnesium Sulfate Exposure and Hemodynamically Significant Patent Ductus Arteriosus in Premature Infants
Authors: Qasim Amna , Jain Sunil K. , Aly Ashraf M.
Published: November 2019

Objective The use of antenatal magnesium sulfate (MgSO4) has been associated with neuroprotective effects. One of its' proposed mechanisms of action includes antagonism of calcium channels. Calcium influx is important for closure of ductus arteriosus. We hypothesized that antenatal MgSO4 exposure may be associated with an increased risk of hemodynamically significant patent ductus arteriosus (HsPDA) in premature infants (PI).

Study Design A prospective cohort study conducted in two parts. PI (< 32 weeks and < 1,500 g) were recruited (n = 105). All infants had Echocardiograph (ECHO; within 3 days) and blood samples drawn at the same time for B-type natriuretic peptide (BNP; part 1) and NTproBNP (N-terminal pro BNP; part 2) measurements. HsPDA was defined as a PDA diameter > 1.5 mm and BNP levels > 40 pg/mL or NTproBNP > 10,200 pg/mL. Infants were divided into two groups based on antenatal MgSO4 exposure. Data were analyzed using SPSS 23. Difference in baseline characteristics and antenatal steroid use in the two groups was analyzed. A matched group analysis was performed to adjust for the difference in the numbers between the two groups. A p-value < 0.05 was considered significant.

Results There was no significant difference seen in baseline characteristics or use of antenatal steroids in exposed versus unexposed (n = 95 vs. n = 10). There was a significant negative correlation between antenatal MgSO4 exposure and HsPDA in PI (p ≤ 0.05). However, this association was not significant after matched group analysis.

Conclusion Antenatal MgSO4 exposure is not associated with an increased risk of HsPDA. It may be associated with a decreased likelihood of HsPDA.
High-efficiency and ultrabroadband flexible absorbers based on transversely symmetrical multi-layer structures
Authors: Ma Jing , Wang Jicheng , Hu Zheng-Da , Zhang Zhidong , Pan Liang , Di Falco Andrea
Published: November 2019

Two ultrabroadband and omnidirectional perfect absorbers based on transversely symmetrical multilayer structures are presented, which are achieved by four absorptive metal chromium (Cr) layers, antireflection coatings, and the substrates, glass and PMMA, in the middle. At the initial step, the proposed planar structure shows an average absorption of ∼93% over the visible (VIS) and near-infrared range from 400 to 2500 nm and 98% in the VIS range. The optimum flat is optically characterized by the transfer matrix method and local metal-insulator-metal resonance under illumination with transverse-electric and transverse-magnetic polarization waves. The multilayer materials, which are deposited on an intermediate substrate by e-beam evaporation, outperform the previously reported absorbers in the fabrication process and exhibit a great angular tolerance of up to 60°. Afterward, we present a novel symmetrical flexible absorber with the PMMA substrate, which shows not only perfect absorption but also the effect of stress equilibrium. The presented devices are expected to pave the way for practical use of solar-thermal energy harvesting.
Scheme design and experimental verification of programmable current source for giant magnetostrictive actuator based on field programmable gate array
Authors: Yu Caofeng , Dai Lei , Xiong Meijun
Published: November 2019

In order to meet the requirements of a giant magnetostrictive actuator for a microstep, high precision, and wide range of input power supply, a design scheme of the high performance programmable current source based on a field programmable gate array processor and the OPA549 amplifier is proposed. Based on the circuit principle of the microstepping continuous adjustment current source, the microstepping control circuit and the constant current source control circuit are designed and the feasibility of the design scheme is verified by circuit simulation and experimental test. The results show that the current output range of the programmable current source is 0 A–6.99 A and the minimum step value is 1.7 mA. The output current precision can reach 1.10% in circuit simulation and 4.38% in experimental test. The research results show that the proposed design scheme of the programmable current source satisfies the requirements of the giant magnetostrictive actuator.
Particle-in-cell simulation for frequency up-conversion of microwave to terahertz radiation by a relativistic hollow ionization front
Authors: Chen Kun , Chang Chao , Li Yongdong , Wang Hongguang , Liu Chunliang
Published: November 2019

The interaction of an electromagnetic wave with a relativistic ionization front with frequency up-conversion has been demonstrated by the particle-in-cell (PIC) method. In the PIC simulation, the plasma ionization front is formed by using an electron beam ionizing the background gas. The PIC results are in good agreement with the basic analytic theory. In addition, the charged particles are modulated in the interaction area observed in the PIC simulation, which is hardly obtained by other methods. Based on the verified PIC methods, a relativistic hollow ionization front for frequency up-conversion of microwave to terahertz radiation is proposed for increasing the reflection cross section. Finally, the reflected energy can be increased by at least 3 orders of magnitude compared to the traditional methods.
Measurement of heat flow caused by a standing-wave component generated by a thermoacoustic phenomenon
Authors: Sakamoto Shin-ichi , Ise Yuji , Orino Yuichiro
Published: November 2019

Stacks are among the most important devices for influencing the energy-conversion efficiency of work flow to heat flow during thermoacoustic phenomena. An optimal stack design is indispensable for the practical application of thermoacoustic systems. To this end, it is necessary to estimate the heat flow generated in the stack. This study proposes to estimate this quantity based on the sound generated by a thermoacoustic phenomenon in a stack without any temperature gradient. The heat flow caused by a standing-wave component generated by this thermoacoustic phenomenon is successfully measured.
Development of atomic force microscopy combined with scanning electron microscopy for investigating electronic devices
Authors: Uruma Takeshi , Tsunemitsu Chiaki , Terao Katsuki , Nakazawa Kenta , Satoh Nobuo , Yamamoto Hidekazu , Iwata Futoshi
Published: November 2019

Atomic force microscopy (AFM) was combined with scanning electron microscopy (SEM) to investigate electronic devices. In general, under observation using an optical microscope, it is difficult to position the cantilever at an arbitrary scan area of an electronic device with a microstructure. Thus, a method for positioning the cantilever is necessary to observe electronic devices. In this study, we developed an AFM/SEM system to evaluate an electronic device. The optical beam deflection (OBD) unit of the system was designed for a distance between the SEM objective lens and a sample surface to be 2 cm. A sample space large enough to place an actual device was created, using a scan unit fabricated with three tube scanners. The scanning ranges of the scan unit are 21.9 µm × 23.1 µm in the XY plane and of 2.5 µm for the Z axis. The noise density in the OBD unit was measured to be 0.29 pm/Hz0.5, which is comparable to noise density values reported for commercial AFM systems. Using the electron beam of SEM, the electron beam induced current (EBIC) is generated from a p–n junction of a semiconductor. Using the EBIC, the cantilever was positioned at the p–n-junction of a Si fast recovery diode (FRD). In addition, scanning capacitance force microscopy (SCFM) and Kelvin probe force microscopy (KFM) were combined with the AFM/SEM system. The SCFM and KFM signals were in qualitative agreement with the expected carrier density distribution of the p and n-regions of the Si-FRD.
Effects of grazing season and stocking rate on seed bank in sheep dung on the semiarid Loess Plateau
Authors: Wang Shulin , Hu An , Zhang Jing , Hou Fujiang
Published: November 2019

Endozoochorous dispersal of seeds by livestock has long attracted the attention of grassland scientists, but little is known about seed dispersal via Tan sheep dung on the dry grasslands of the Loess Plateau. We investigated the composition of dung seed bank of Tan sheep under summer and winter rotational grazing regimes at different stocking rates (2.7, 5.3 and 8.7sheepha–1), and assessed the relationships between seed mass and shape, egested seedling density and species richness and diversity. We also assessed the effects of stocking rate and grazing season on seedling density and species richness and diversity of the dung seed bank. Seeds of 10 pasture species germinated from Tan sheep dung with only two being annual species (Eragrostis pilosa and Chenopodium glaucum). The mean seed mass (±s.e.) was 2.59±0.23mg, ranging from 0.10mg (Cleistogenes songorica) to 10.59mg (Thermopsis lanceolata), and the mean seed shape index (±s.e.) was 0.10±0.02, ranging from 0.03 (Lespedeza bicolor) to 0.19 (Stipa bungeana). Species richness and diversity and seedling density decreased with increasing seed mass and shape index, suggesting that small, round seeds are most suitable for endozoochorous dispersal. Stocking rate had no effect on the number of germinated seeds that collected from summer or winter grazing pastures. Species richness and diversity and seedling density were greater in winter grazing pastures than in summer grazing pastures. Jaccard coefficients of similarity between the Tan sheep dung bank and aboveground vegetation were <0.5 for all stocking rates, indicating their weak relationship, but were significantly higher for winter than summer grazing. Plant seeds on the Loess Plateau could disperse through Tan sheep grazing, endozoochory can increase the heterogeneity of rotationally grazed plant communities, and this dispersal mode is an adaptation of plants to the harsh environment of the semiarid areas.
New Tradition of Pesantren in Character Education
Authors: Putro Ahmad Agung Yuwono , Suyanto  , Suryono Yoyon
Published: November 2019

This research has revealed and analyzed the character education at Baiquniyyah Elementary School, which conducted elementary school education based on Pondok Pesantren (Islamic Boarding School). The research was conducted with qualitative paradigm with a case study approach. Data collection was done by direct participation technique, the researcher went directly for some time, mingled with Kyai, teacher, cleric, and student to observe, interview, and conduct documentation study to get accurate data about the character education implementation in the school. The education that is implemented with the model of pesantren has implications for intensive learning, conditioned environment, and effective supervision, as well as the direct exemplary from Kyai and teachers. Unique learning that is not found in formal school is the learning of Arabic or Kitab Kuning (Arabic Book) as the characteristic of learning of Pondok Pesantren as a compulsory activity that directly formed the habit, culture, and morals to live simple, discipline, selfishness, tolerance, belonging to each other, and working hard. That are the knowledge, attitudes, and behaviors wanted to be implanted to the students of Baiquniyyah to form the intelligent, skilled, and morals students so that realized the golden generation of the nation.
Cooperative Learning Model Based On Rhythmical Movement Method To Embed The Operation Concept Of Whole Number
Authors: Rahmawati Rina Dyah , Budiharti
Published: November 2019

The purpose of this research is to develop cooperative learning model based on rhythmical movement method to help embed the operation concept of the whole number, then the development of this learning model can be utilized to give a variation of learning model and facilitate student’s understanding to increase student’s motivation and achievement. The method used in this research is case study and Quasi-Experiment. Case studies are used in the process of developing models and learning devices. The use of this case study is based on the thought of obtaining the necessary data in depth. While Quasi-Experiments are used to implement learning models in order to know the effectiveness. The research subjects are fourth-grade students of SDN Tamansari II Yogyakarta. The results of this study indicate that the cooperative learning model based on rhythmical movement method is feasible with Good criteria and get a positive response from students at 81.09%. In addition, this learning model also effectively to embed the operation concept of the whole number.
Technology In Traditional Material: SAVI In Tembang Dolanan
Authors: Maruti Endang Sri , Hadi Panji Kuncoro
Published: November 2019

The purpose of this research is to develop teaching material of SAVI approach on Play song “tembang dolanan” material for elementary school students in Madiun residency. This development research refers to the 4-D method. The research instrument used is the validation sheet, questionnaire, and students singing (nembang) test. The Data collection techniques were validation and observation. Data were analyzed descriptively qualitative. The results showed that: (1) the process of developing teaching materials SAVI approach on the material tembang dolanan for fourth graders of an elementary school in the Residency Madiun consists of three stages. The stage is the stage of definition, stage of design stage, and stage of development; (2) student textbooks SAVI approach on materials “tembang dolanan” for fourth graders of elementary school in Madiun Residency reliability level is very high, that is 89.7%; And (3) based on the calculation, the t count is 7.31, while the t table is 3.56. Because t count > t table then H1 accepted. It is stated that the teaching materials SAVI approach on the material “tembang dolanan” for fourth-grade elementary school in Madiun Residency was effectively used.
Meta-Ethnography Modification of SFE Learning Model and Time-Token Learning Model
Authors: Nurhayati  , Marhayani Dina Anika , Sumarli  , Buyung  , Yanti Lili , Evinna Cinda H , Zulfahita  , Mayasari Dian , Istirahayu Iip , Utama Erdi Guna , Murdani Eka , Rosdianto Haris , Mursidi Andi , Lin Cathy S
Published: November 2019

This study aims to combine Student Facilitator and Explaining (SFE) learning method with Cooperative Learning Model of Time Token Type. The merger of these two methods of learning is based on the results of previous research. This research used a metaethnography method. Meta-ethnography is a technique used to develop new theories to complement existing theories. The unit of analysis in this research is written documents about student facilitator and explaining (SFE) learning model and cooperative learning model of a time-token type in the form of journal articles and research reports taken purposively based on their conformity with the research theme. The main instrument of this research is that a documentation guide assists the researcher itself. The data analysis used is a qualitative data analysis for the result data of narrative study to the researches encountered.
Anti Corruption Perception And Modeling: A Critical Study Among Educational Institutions In Pacitan, Indonesia
Authors: Mukodi  , Burhanuddin Afid , Haryono
Published: November 2019

Corruption becomes a central issue in Indonesia grounding from the accurate portrayal of data and information. However, the consistent action must be taken into account. Therefore, the critical discussion in this research aims at; (a) analyzing perceptions and awareness of anti-corruption understanding of school civitas among educational institutions in Pacitan, Indonesia; (b) formulating useful modeling for anti-corruption education in Pacitan, Indonesia; (c) establishing implementation strategy of the anti-corruption education in Pacitan, Indonesia. Moreover, the use of action research is a well-established method in this research. The researcher took the data from March to April 2018. The number of respondents was 159 people, consisting of 70 men and 89 women, scattered in junior and senior high school. The further findings revealed that; (1) respondents’ perceptions and awareness of anti-corruption education are perfect, that is 89% of those who responded; (2) Teenager Corruption Watch (TCW) is a valid model for anti-corruption education in Pacitan, Indonesia. It can be viewed from 87% of respondents who admitted very satisfied with this TCW model, and 23% somewhat disagree for the rest; (3) the implementation strategy of the anti-corruption education is carried out through role-play based TCW in education institutions of Pacitan Regency, Indonesia. Thus, the majority of the school civitas in Pacitan regency have understood that corruption is a cruel act, which is denied and condemned for its existence. The TCW model became one of the practical learning strategies in preventing, as well as against corruption at educational institutions in Pacitan.
Level of Awareness on Disaster Preparedness
Authors: Maminta Lucia G.
Published: November 2019

This paper investigated the Level of Awareness on Disaster Preparedness of the residents of Mimbalot, Buru-un, Iligan City. Stakeholders, community, and the school focal people were involved in this project. Purok Enablers and Purok Presidents, who facilitated the survey, were subjected to orientation on how to conduct the survey. The collection of data started with the giving of the survey forms to the residents using the researcher–made a survey written in native language (Sinugbuanong Bisaya) for clear understanding. The processes of the project start from gathering, analyzing, and reporting the data gathered. After gathering and analyzing the data, result revealed that respondents are vulnerable to the presence of trees and more than half of them don’t have emergency exits, kits, and hotlines. With the result, respondents were given brochures and leaflets to be oriented and educated of the importance of being prepare during emergencies in addition to involving them in earthquake and fire drills, and meetings on disaster risk management in the school.
Improving Teacher Professionalism Toward Education Quality in Digital Era
Authors: Purwantiningsih Ary , Suharso Pudjo
Published: November 2019

Teachers are an important component in improving the quality of education. It can even be said that teacher is a strategic key for the development of quality education. How important role of teachers in education, so it is not surprising that the Emperor of Japan, Hirohito after the defeat of Japan from the allies asked how many teachers are still alive. It was on the teacher’s shoulders that Emperor Hirohito put his trust in rebuilding Japan through education and succeeding. The method used in this paper is library research (library research). The study finds that one of the progress of education in various countries such as Japan, China, Korea, India, which later became the instrument to solve the nation’s problems is through the improvement and development of professional teachers. In Indonesia the effort to improve the professionalism of teachers is done through training called Teacher Professional Training (PLPG) and Teacher Professional Education (PPG). By building professional teachers the reinforcement of developer-based and discovery-based philosophical aspects make a significant contribution to improving the quality of education in Indonesia.
Students’ Perception on Seaweed Resources at Amal Beach North Borneo
Authors: Suciyati Alfi , Yulinda Ratna
Published: November 2019

Seaweed was one of the local potencies and commodities in Tarakan. Education was a strategic sector to introduce a certain local potency. This research aimed to analyze whether or not students were responsive to issues related to seaweed, investigate whether students had a solution to problems related to seaweed, and observe their interests to seaweed as a natural resource. The research method used in this research was the survey method. Research location was in SMPN 10 Tarakan, the only one junior high school in Amal Beach Tarakan. All students clarified that seaweed could be mostly found at Amal Beach. 78.19% of the students conveyed that they had no idea regarding issues related to seaweed at Amal Beach. The rests, 21.81% could define issues related to seaweed although they could not describe the issues in details. Among the 21.81% of students, there were no students that were able to give solutions to the problems. 78.19% of students declared that they were uninterested to learn stuff related to seaweed. Generally, this research indicated that students at Amal Beach strongly required acquisition and understanding of their local potencies. There were 47.27% of students interested in creating seaweed-based products; while the rests, 52.73% were uninterested in it.
The Acquisition of Japanese Numeral Quantifiers Through Song
Authors: Suhartini
Published: November 2019

This study aims to determine the effectiveness of audio visual form of the song in the language acquisition of the Japanese numeral quantifiers (NQ). The NQ is a phrase consisting of the cardinal number and numeral classifiers (Cl) to quantity expressions. In this study, the NQ are focused on the NQ that serve to quantity expressions 3 dimensional objetcs (use of Cl ∼ko), objetcs for animals (use of Cl ∼hiki), 1 dimensional objetcs (use of Cl ∼hon), binding objetcs (use of Cl ∼satsu), and objetcs for the person (the use of Cl ∼ri/nin). From the results of data analysis found that through the audio visual of the song can be used as an alternative in an effort to accelerate the acquisition of Japanese NQ. This is because if the traditional method only of learning will be difficult to recall one by one of the NQ, while through audio visual in the form of learner song will be more interested to repeat the material more fun every time so that will be more quickly come in into the subconscious memory.
School Climate and Public Secondary School Performance In the Division of Iloilo City and Passi City
Authors: Santos Iryn Baldona de los
Published: November 2019

This descriptive-survey research paper aimed to determine the level of school climate and the public secondary school performance in the division of Iloilo City and Passi City. Utilized as respondents of the study were the 340 public secondary school teachers at Iloilo City and Passi City, chosen through simple random sampling. The result showed that the level of school climate was "high" regarding working conditions and leadership, homeschool relationship, instructional focus, physical environment, and safety. A significant difference existed in the level of school climate in the divisions regarding working conditions and leadership, homeschool relationship, instructional focus, physical environment, and safety. No significant difference in the level of school climate when grouped according to divisions regarding working conditions and leadership, homeschool relationship, instructional focus, physical environment, and safety. The administrators’ performance was "very satisfactory," and the teachers’ performance was "satisfactory." The school and the students’ performance were "poor." No significant difference in the production of students, teachers, administrators, and the schools in the divisions of Iloilo City and Passi City.
Character Education Based on Social Senselocal Culture For School Basic School
Authors: Sukadari  , Sukemi Buchory Muh. , Sunarti
Published: November 2019

Implementation of Character Education Based on Social Wisdom of Local Culture For Elementary School Students; aims to know the Implementation of Character Education Based on Local Social Wisdom and Culture for Elementary School Students in Special Region of Yogyakarta, The subjects of this study were students and teachers in 25 elementary schools in Yogyakarta Special Region. The first study was conducted from May to October 2017. The data collection method used interview, observation, and documentation. The data analysis technique used is an integrated model between quantitative and qualitative descriptive approach. The results of the first year of research are: (1) identify the problems of grade and grade moral education in elementary school of research area; (2) a number of 8 (eight) students of IPS PPs UPY Program involved in this research can complete the draft thesis as evidenced by the approval by the supervising commission; (3) prototype design or some examples of equipment / media development model of character education, (4) composed of module of teaching materials of character education; (5) written draft textbook on character education; (6) draft of intellectual property design of noble art costume costume with batik clothing pattern of pecang typical of Kulon Progo.
Literatures of Western Visayas: Collection and Categorization
Authors: Cordero Evelyn M.
Published: November 2019

This collaborative qualitative study of the Filipino Department, West Visayas State University, Iloilo Philippines, aimed to collect and categorize local/indigenous literatures of Western Visayas (Region VI). This study was based on Oral Tradition and was made possible through interviews with the informants from different provinces in Western Visayas. The researchers utilized compiled Panayanon literatures from the colleges and universities of the region as well as those downloaded from the internet. Guide questions, cassette and mobile phone recorders, digital cameras and tablets were used as instrument. The result showed that Western Visayas has a very rich local/indigenous literature that reflect the culture and traditions of its people. Literatures collected were categorized according to genre as follows: bulong, hurubaton, huding, and other short verses; folk songs, daigon and dayaw; passion and praises; and, lowa, riddles and short stories. Themes derived from these literatures were: thanksgiving, courtship and marriage, occupation and way of life, social problems, calamities, heroism, environmental consciousness, praises to muses and to the Virgin Mary, passion of Christ, plants and animals, places, foods and many others. Furthermore, people from Western Visayas were very creative, imaginative and intelligent to write and compose these literatures.
Explaining the Academic Performance of Grade 7 Students as Influenced by Social Media
Authors: Igcasama Raymund M. , Borinaga Imee A. , Mutia Edward C. , Suarez Christine L. , Balogo Jefrey C.
Published: November 2019

Social media is prevalent in today’s classrooms and schools. Teachers have viewed it as an aid in instruction as students can be engaged in its different platforms. However, the excessive use of social media especially during weekdays can be alarming to both teachers and parents. This study looks at social media network participation and academic performance in Grade 7 students of Baybay National High School. The study was aimed at identifying the correlation between social media and students’ academic performance in Mathematics, The study used both qualitative and quantitative research design which involved the survey of students in three Grade 7 sections and the conduct of a standardized test in Mathematics wherein they were categorized according to the number of hours they spent in social media a day. The study revealed that there was a correlation between the number of hours spent on social media a day and students’ academic performance. Furthermore, there was a significant difference between the test scores of the students who use social media for less than an hour (0 hour) and those who use for 1-3 hours and 7+ hours. This indicated that students with lesser time spent on social media a day performed better. The study recommended to minimize the use of social media a day and prioritize academic purposes above others. On top of that, it encouraged to make the study a habit for students.
Technology Innovations Initiated, Leadership Practices and Performance of Secondary School Heads: Bases for Enhancement Development Program
Authors: Tubungbanua Elvira Agno
Published: November 2019

The paper describes the technology innovations initiated, leadership practices and performance of secondary school heads: bases for enhancement development program. The mixed method design was used to enhance this study. The study was conducted among public secondary school heads in the Division of Iloilo. The respondents of the study were thirty six secondary school heads. The findings revealed the secondary school heads need enhancement development program to improve their technology initiatives, leadership skills and relevant training on school management.