bluuebunny/crossref_metadata_2025_split huggingface dataset:
Arabinogalactan protein–rare earth element complexes activate plant endocytosis
Authors: Wang Lihong , Cheng Mengzhu , Yang Qing , Li Jigang , Wang Xiang , Zhou Qing , Nagawa Shingo , Xia Binxin , Xu Tongda , Huang Rongfeng , He Jingfang , Li Changjiang , Fu Ying , Liu Ying , Bao Jianchun , Wei Haiyan , Li Hui , Tan Li , Gu Zhenhong , Xia Ao , Huang Xiaohua , Yang Zhenbiao , Deng Xing Wang 
Published: June 2019

Significance
Due to the vital role for eukaryotes, clathrin-mediated endocytosis (CME) has attracted increasing attention, but great challenges still stand. Here, by overcoming the biggest challenge in CME research, we visualized the dynamic of extracellular cargo receptor protein by using stimulated emission depletion microscopy. We identified an unconventional mechanism for extracellular cargoes, here specifically rare earth elements (REEs). We showed that arabinogalactan proteins (AGPs) act as extracellular cargo receptors and move across the plasma membrane to initiate endocytosis. REEs promote the cross-membrane translocation of its extracellular cargo receptor AGPs to activate their endocytosis. Our data thus provide insights into the mechanism for the activation of CME, the biological role of AGPs, and the cellular mechanisms of REE actions in plants.
The hominid ilium is shaped by a synapomorphic growth mechanism that is unique within primates
Authors: Zirkle Dexter , Lovejoy C. Owen 
Published: June 2019

SignificanceThe human ilium is unusually short and broad compared with those of all other primates. Its specialized shape facilitates pelvic control during upright walking. Our ilium also exhibits a unique developmental feature: Its anterior inferior spine forms via a secondary center of ossification. We surveyed iliac development in a wide range of fetal to adult nonhuman primates, and found that such specialized anterior inferior spine formation is unique to humans and our known ancestors. Because this derived iliac structure facilitates upright walking, its presence serves as a direct indicator of the adoption of terrestrial bipedality in the fossil record and as an indicator of the minimum age of that adoption.
Oral corrective feedback on written errors
Authors: Afshari Sajad , Dabaghi Azizollah , Ketabi Saeed 
Published: June 2019

Abstract
The current study investigated the differential effect of two types of oral feedback – graduated oral corrective feedback (GOCF) in accordance with sociocultural theory (SCT) and supplemented direct oral corrective feedback (SDOCF) in accordance with cognitive-interactionist theory (CIT) – on Iranian pre-intermediate EFL learners’ written errors. The study used a pretest-treatment-immediate posttest-delayed posttest design with three groups. Two types of tests were employed to measure the learners’ explicit and implicit knowledge of English articles. The results of the repeated measures mixed-design ANOVAs and post-hoc analyses demonstrated that while both types of feedback significantly improved both types of knowledge in the immediate posttest, a clear advantage was found for the GOCF in the long term. The findings indicate that oral feedback, especially the GOCF within SCT, could be an effective means of addressing learners’ written errors and improving their implicit knowledge.
Incidental vocabulary learning through viewing television
Authors: Rodgers Michael P. H. , Webb Stuart 
Published: June 2019

Abstract
Previous research investigating L2 incidental vocabulary learning from video has primarily focused on short videos from genres that may be conducive to vocabulary learning. The research provides evidence that L2 incidental vocabulary learning can occur through video. However, it is uncertain whether viewing episodes of full-length television programs can contribute to incidental learning. This study investigated the effects of viewing 7+ hours of television on incidental vocabulary learning as well as the effects of the frequency and range. One-hundred and eighty-seven Japanese university students viewed ten 42-minute episodes of an American drama. Two vocabulary tests at differing sensitivities were used in a pre- and post-test design measuring receptive knowledge of the form-meaning connection of 60 word-families. The results indicated that (a) viewing television contributed to significant gains in vocabulary knowledge and (b) there was a positive relationship between frequency of occurrence and vocabulary learning. Pedagogical implications are discussed in detail.
Investigation of atomic and electronic properties of 2D-MoS2/3D-GaN mixed-dimensional heterostructures
Authors: Sung Dongchul , Min Kyung-Ah , Hong Suklyun 
Published: June 2019

Abstract
We have performed density functional theory calculations to study the effects caused by the interfacial structure between 2D-MoS2 and 3D-GaN. Two different surface terminations of GaN are considered: Ga-terminated (0001) (Ga-GaN) and N-terminated (

000

1
¯

) (N-GaN) configurations. We confirm that Rashba spin splitting occurs in band structure of MoS2 on GaN. We also find that the surface states of GaN move to the deep position in band structure in the MoS2/Ga-GaN case, while the surface states of GaN are hybridized with MoS2 near the Fermi level for the MoS2/N-GaN case. Furthermore, we investigate the variation in electronic structure of MoS2/GaN heterostructures depending on the number of MoS2 layers. Especially, the top layer MoS2 of the 2L-MoS2/GaN structures shows both n-type and p-type properties depending on the GaN surface termination. As a result, we suggest that the electrical characteristics of the 2D/3D heterostructures could be controlled by the surface terminations of substrate materials.
Selective area intermixing of III–V quantum-dot lasers grown on silicon with two wavelength lasing emissions
Authors: Liao Mengya , Li Wei , Tang Mingchu , Li Ang , Chen Siming , Seeds Alwyn , Liu Huiyun 
Published: June 2019

Abstract
The ability to tailor the bandgap of III–V compound semiconductors spatially, across the wafer is highly desirable for monolithically integrating photonic components with multi-functions. Using rapid thermal annealing with SiO2 and TiO2 capping layers as a selective area intermixing technique, we have demonstrated selective area bandgap tuning of III–V quantum dot (QD) material on a silicon (Si) substrate. Electrically pumped InAs/GaAs QD lasers directly grown on Si with dual-wavelength lasing emissions of 1275 and 1313 nm have been fabricated by this technique. This result indicates that the selective area intermixing technique can potentially be used in optical integrated circuits for Si photonics.
Power-efficient piezoelectric fatigue measurement using long-range wireless sensor networks
Authors: Rodenas-Herráiz David , Xu Xiaomin , Fidler Paul R A , Soga Kenichi 
Published: June 2019

Abstract
In this paper we describe the design of a proof-of-concept wireless embedded sensor system for continuous strain cycle monitoring as a method for fatigue life assessment on civil structures. Monitoring of strain cycles is energy demanding, and therefore not suited to energy-constrained devices, as it requires continuous acquisition of strain data with a high sampling rate, followed by data processing using algorithms for peak-trough detection and cycle counting. To overcome this drawback, at the core of our proposed design is a piezoelectric-based analogue sensor system that can achieve as much as a factor of 9 increase in energy efficiency compared with the conventional approach. The key component is an analogue peak-trough detector that offloads the computation in peak-trough detection from the microcontroller, thus eliminating the need for continuous sampling. The function of the detector is coupled with an energy-efficient interrupt-driven software design for acquisition and strain cycles calculation, which is carried out by using a standard form of the rainflow cycle counting algorithm. For wireless communication and networking, LoRa and LoRaWAN are adopted as core modules. We illustrate the performance of our proposed solution by way of simulation and laboratory experiments. Results show a good agreement in measurement of strain cycles between our proposed system and the conventional approach. Thus, our solution proves to be promising for real fatigue measurement applications.
Quantum shell effects in the hydrodynamic equations of a quantum fluid
Authors: Kuratov S E , Shidlovski D S , Menshov I S , Blinnikov S I 
Published: June 2019

Abstract
Numerical analysis of the hydrostatic equilibrium of a compressed gas bubble was carried out by the DFT method. Based on this analysis, we modified the hydrodynamic equations of a quantum fluid taking into account quantum shell effects. An external force acting on the electronic subsystem is added to the modified hydrodynamic equations. A numerical algorithm for solving of the system of modified hydrodynamic equations is discussed.
Diffusion of light through a disordered ensemble of resonant Mie-particles embedded in a medium with circular dichroism
Authors: Gorodnichev E E , Rogozkin D B 
Published: June 2019

Abstract
We study transmission of unpolarized light (incoherent superposition of right-hand circular and left-hand circular polarized waves) through an optically active medium doped by scattering Mie-particles. The medium is assumed to possess circular dichroism. Within the spatial diffusion approximation, the degree of circular polarization of the transmitted radiation is calculated. It is shown, that in the presence of scatterers a significant increase in the circular polarization compared to the medium with no scatterers can be observed.
Production of carbon nanofibers by plasma jet of helium and hydrocarbons
Authors: Shavelkina M B , Amirov R Kh , Kiselev V I , Katarzhis V A 
Published: June 2019

Abstract
The parameters of a non-catalytic process for synthesizing carbon nanostructures during the conversion of methane / helium and propane-butane / helium jets have been studied. The spectral features of the radiation of mixed systems have been investigated. Analysis of the spectra showed that the main part of carbon dimers is withdrawn from the hot region of the plasma in the outlet plasma stream. Synthesized products were been characterized by scanning electron microscopy, Raman spectroscopy, thermal analysis and X-ray photoelectron spectroscopy. It is shown that carbon nanostructures have a bamboo-like morphology and similar properties when using both methane and propane-butane mixture as a carbon source. It has been established that the morphology of synthesized carbon nanofibers is not affected by the pressure of the medium.
Interaction of corona discharge with surface layer of metal
Authors: Kirko D L , Savjolov A S 
Published: June 2019

Abstract
Properties of the corona discharge containing a conic electrode were researched. The main modes and characteristics of this discharge were researched. There are current oscillations of the discharge within the range of 1 kHz - 150 MHz. Possible oscillation and wave processes are considered to explain these oscillations. Emergence of rotation motion when the discharge affects the dielectrics is being studied. The effect of this discharge on metal surface was explored.
Silicon and germanium nanostructures formed by spark discharge plasma
Authors: Yakunin V G , Presnov D E , Stepikhova M V , Yablonskiy A N , Assilbaeva R B , Grevtseva T Yu , Zhanabaev Z Zh , Savinov V P , Timoshenko V Yu 
Published: June 2019

Abstract
Formation of semiconductor nanostructures on the surface of single crystalline silicon and germanium wafers by spark discharge plasma in air was investigated. The prepared nanostructures were analyzed by means of the scanning and transmission electron microscopy and optical spectroscopy of the photoluminescence and Raman scattering. The formed nanostructures exhibit a fractal-like morphology with interconnected nanocrystals of 2-200 nm sizes that is explained by repeated processes of spark ablation and subsequent condensation. While the size and morphology of the nanostructure depend on power sources of the spark discharge, short interaction times of spark discharge plasma and target determine a relatively low efficiency of the chemical oxidation of germanium and silicon, as well as low ionic temperatures of the plasma.
Development of the equipment of beam channels for applied and biomedical research at the NICA complex
Authors: Baldin A A , Vishnevskiy A V , Laktionov K K , Panacik V A , Tyutyunnikov S I , Yudin D I , Yudin I P 
Published: June 2019

Abstract
The report deals with the construction of the ion beam transport line for applied and biomedical research at the NICA accelerator complex, JINR, Dubna. Calculations of the beam output channels from the Nuclotron and Booster are carried out. The used electronics is described. We also discuss the compilation and realization of the plan of treating a tumor located at a depth up to 30 cm.
Numerical simulation of longitudinal and transversal electron dynamics in classical microtron
Authors: Bashmakov Y A , Dyubkov V S , Lozeev Y Y 
Published: June 2019

Abstract
Numerical simulation of 3D electron dynamics in classical Lebedev institute microtron with energy 6-10 MeV is carried out. Special attention is paid to particles transversal motion investigation. A comparison of physical electric field distribution along cavity axis with that obtained by means numerical calculation is done. The obtained results are discussed.
Data Mining Technique as Majors Support System Management with Classification Approach
Authors: Basri  , Siddiq Muhammad , Tamin Rosmawati , Azis Sulihin 
Published: June 2019

Abstract
Majors systems in an educational institution both at the primary level and higher education are the main thing. The academic potential of students becomes one of the main factors in supporting the success of learning. Even in an admission system, entrance test cannot be separated from the potential academic test. The academic potential test is only used as a standard of acceptance, and very rarely even never used to be information that can classify students into a specialization. Analysis of potential academic data with various variables will be very much so that required Data Mining techniques to mining of the larger data. The purpose of this research is to implement of Data Mining technique with classification approach to analyze academic potency in the major supports system management. The classification technique is applied as the object of research and measured its performance to obtain information according to the needs and objectives of the study. The results showed that the implementation of classification techniques could provide information that indicates the academic potential in major support system management, so this research can be a reference to create a system of potential academic search in general and can be implemented as an applicable tool in major support system management.
Measuring Village Head Performance using Fuzzy TOPSIS Method
Authors: Sahabuddin Chuduriah , Basri  , Muslihudin Muhammad , Latifah Nurul , Irawan Dedi 
Published: June 2019

Abstract
The village head is the leader of the village in Indonesia. The village head is the leader of the village government. The tenure of the village head is six years, and can be extended for another one term is expected to run the government with a good performance in providing services to the community. So if the government officials at the village level show good performance in organizing the government. The Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method can help decision making in determining the performance index of the village head. This research is conduct by looking for the performance of positive and negative ideal solutions. Applications with the highest V value will occupy the top size in this system. Then the criteria for determining the performance index of the head of the village are timeliness, discipline, responsibility, leadership, presence, value. The results of the decision-making system resulted in 6 alternatives suggested performance indexes of village heads, with the highest score of Sendang Agung Village.
A Website Framework to Support the Distribution of Milkfish in The Fishing Industry
Authors: Qashlim Akhmad , Basri  , Haeruddin  , Nurtanio Ingrid , Ilham Amil Ahmad 
Published: June 2019

Abstract
Delivering milkfish pond products to industries, restaurants or end consumers should be done as soon as possible in real time so that the process of milkfish distribution does not take a long time. The middleman’s involvement in the distribution process will require a lot of time and lots of people so that it dramatically affects marketing and price fluctuations. This research has found a solution to minimize the situation that occurs, a website framework with a supply chain concept approach successfully designed. A website with an integrated system can be accessed with an android mobile device to facilitate the process of uploading images of milkfish and other information about milkfish so that it does not require users to use personal computers (PC/laptop), while computer administrators can control the activities of pond farmers in marketing. The results showed that the website was able to connect between fish farmers and industries or restaurants before the results of the milkfish ponds were harvested and provide information about fish weight, fish prices, the location of lakes and order facilities for purchase transactions. If this happens, the middleman’s involvement in marketing begins to decrease, and this will undoubtedly cut the chain of the dependence of the farmer farmers with intermediaries. This is a way to accelerate the marketing process, and increase the income of fish farmers and reduce dependence on intermediaries.
Distribution and Abundance of Plankton in The Downstream of Jeneberang River
Authors: Lodang Hamka , Kurnia Nani 
Published: June 2019

Abstract
This study aimed to investigate the distribution and abundance of plankton in the downstream area of Jeneberang River. A total of three observation stations were chosen through purposive sampling method on a watershed in the downstream area, which lies between Gowa Twin Bridge and Barombong Bridge, Takalar Regency, and Makassar City. At each station, a sample was taken from the northern (N) and southern (S) part of the river. The collected sample of Plankton was observed using a binocular light microscope and Sedgwick Rafter Counting Cell (SRCC), and then subjected to the identification by using plankton identification book. The result of data analysis showed that phytoplankton and zooplankton could be found in all observation stations, but the abundance and distribution of each group differed one another. Phytoplankton group with the highest to the lowest abundance is the member of Class Chlorophyceae, Bacillariophyceae, and Dinophyceae. Meanwhile, the commonly found zooplankton is the member of Protozoa, including Paramecium sp., Chilomonas sp. Besides that, the member of Animalia, including annelid larvae and polychaeta larvae were also found with a lower level of abundance.
Selected Dicots That can Easily be Sectioned using Hand - Section Method and can Provide Good Anatomical Appearance: For Beginners
Authors: Kurnia Nani , Azis Andi Asmawati , Adnan  , Tri Lestari G. 
Published: June 2019

Abstract
This research was conducted to find out the type of dicotyledon which its stem can be sectioned with the method of hand section (HS) and can provide clear anatomy appearances. Research activities start with (1) section using the HS method, (2) observation using a microscope, and the last is (3) limited trial. For the first stage, it was determined that 10 cosmopolitan dicotyledonous found around Universitas Negeri Makassar campus. The stems of all the plants were sectioned by the HS method. The result is 5 of 10 species of dicots were categorized as easy to slash by HS method, namely Ixora maxima, Eclipta prostate, Mirabilis jalapa, Catharanthus roseus and Acalypha siamensis. In the second stage, the five plant species were sections and observed with a microscope. Based on observations using the monocular XSP-12 light microscope adjusted by Optilab Professional Edition, it can be seen that there are 4 plant species that provide the good anatomical appearance that is E. prostate, M. jalapa, C. roseus, and A. siamensis. For the last stage, all four types of plants that provide a good cross-section of the stem anatomy were tested to final semester students and new students. Both groups tried on sectioning and observing and gave their opinion on the level of difficulties. The answer shows that the majority of the groups consider that sectioning and observing of the four dicots are easy or very easy. To sum up, dicots E. prostate, M. jalapa, C. roseus, and A. siamensis are easy to section by HS method and to observe by microscope.
Properties of Concrete Blocks Made from Sugar Mill Waste
Authors: Taufieq Nur Anny Suryaningsih , Pertiwi Nurlita , Ahmad Irma Aswani 
Published: June 2019

Abstract
This research is an experimental study of the properties of concrete blocks made from sugar mill waste. The properties that are reviewed are weight, water absorption, and compressive strength. The concrete blocks were made with five treatments for sand substitution with sugar mill waste (SMW) which were controls B0 (0%), B1 (6.25%), B2 (12.5%), B3 (18.75%) and B4 (25%) with a ratio of cement water of 0.4. Each treatment group was 30 samples so that the total sample was 150. The results showed that a high percentage of SMW caused a decrease in the weight of the blocks and increased water absorption. The addition of SMW on the aggregate affects the compressive strength of the blocks. A high percentage of SMW causes a decrease in the compressive strength of concrete blocks. The results of the statistical analysis showed that the addition of 12.5% SMW (B2) had an effect on the weight and absorption of the blocks, while the change in the compressive strength of the concrete block occurred with the addition of 6.25% SMW (B1).
Structure of The Treelets and Shrub Vegetation in Tropical Sub-Mountain Forest of Mount Salak Bogor, West Jawa, Indonesia
Authors: Wiharto Muhammad , Wijaya Muhammad , Kusmana Cecep , Prasetyo Lilik Budi , Partomiharjo Tukirin 
Published: June 2019

Abstract
We study the structure, indicator species and diversity of treelets and shrubs vegetation in tropical sub-mountain forests of Mount Salak Bogor, West Java. There were 4 vegetation groups at Bray-Curtis distance 0.6 - 0.8, namely groups 1, 2, 3, and 4, each consist of 13 plots, 17 plots, 8 plots, and 22 plots. One way Permanova test shows that the vegetation group is different in terms of structure and composition of vegetation. Dicranopteris dichotoma (Thunb.) Bernh., Athyrium sorzogonense (Presl.) Milde., and Cinchona officinalis L., are the species with the highest Important Value Index in all plots. Indicator species are not found in group 2. There are 8 combined vegetation groups that have indicator species. The one-way Kruskal-Wallis test shows the difference in Shannon-Wienner diversity index (H’) (Kruskal-Wallis χ2 = 20.541, df = 3, p-value = 0.0001311 ), Simpson’s index (D) (Kruskal-Wallis χ2 = 23.855, df = 3, p-value = 2.678e-05), Pielou’s evenness index (J’) (Kruskal-Wallis χ2 = 14.315, df = 3, p-value = 0.002506) and Species Richness (S) (Kruskal-Wallis χ2 = 17.868, df = 3, p-value = 0.0004683) among vegetation groups. Post hoc test with Games Howel shows group 2 and 4 have differences in all parameters of diversity. The values of H’, D, and S between group 1 and 4 are different. The difference in S values also appears between group 3 and 4.