bluuebunny/crossref_metadata_2025 huggingface dataset:
Efek Ekstrak Daun Mimba Terhadap Aktivitas SGPT Tikus Putih Jantan Galur Wistar Yang Telah Diinduksi Parasetamol Dosis Tinggi
Authors: Tedyanto Eric Hartono
Published: October 2019

Pendahuluan: Pemberian parasetamol dosis tinggi dapat menyebabkan terjadinya stres oksidatif melalui jalur metabolisme yang menghasilkan NAPQI dalam jumlah besar dan diduga dapat menyebabkan peningkatan aktivitas SGPT. Metode: Mengunakan sampel hewan coba sebanyak 24 ekor yang dibagi menjadi 3 kelompok, yaitu kelompok hewan coba yang diberi pakan standar, kelompok hewan coba yang diberi parasetamol, dan kelompok hewan coba yang diberi ekstrak daun mimba dan parasetamol. Pada hari ke 10, hewan coba dikorbankan dan dilakukan pemeriksaan aktivitas SGPT dengan metode spektofotometri. Hasil: terdapat perbedaan bermakna (p = 0,021) rerata aktivitas SGPT antara kelompok hewan coba yang diberi parasetamol dosis tinggi (1360,94 + 1509,08 U/L) dengan kelompok hewan coba yang diberi parasetamol dosis tinggi dan ekstrak daun mimba (138,76 + 34,36 U/L). Kesimpulan: ekstrak daun mimba menurunkan secara bermakna aktivitas SGPT karena kandungan flavonoid dan limonoid yang berfungsi sebagai antioksidan.
The protective effect of Paliasa (Kleinhovia hospita L.) leaf extract against elevated total bilirubin serum induced by toxic dose of antituberculosis in rats
Authors: Djabir Yulia Yusrini
Published: October 2019

Liver dysfunction is implicated with the use of Antituberculosis (AT) leading to low compliance of TB patients to AT regimen. One of biomarker that is important to measure liver dysfunction is total bilirubin serum. Paliasa leaves have been emiprically used to improve liver function in South Sulawesi. This study aimed to determine the effect of ethanolic extract of Paliasa leaves on total bilirubin serum in rats. Twenty rats were devided into five groups: Group I served as the healthy control was only given NaCMC suspension, group II was treated with 178 mg/200gBB of AT suspension, while group III, group IV and group V  were given Paliasa extract 125 mg/kgBB, 250mg/kgBB and 500 mg/kgBB, respectively, 4 hours prior to AT suspension administration. Treatments were performed once a day for 28 days. Blood sampling was carried out 24 hours following the last treatment. The total bilirubin levels were measured using Humalyzer 3500. The results showed that the administrations of AT suspension for 28 days significantly increased rat total bilirubin levels. Paliasa leaf extract in all given dose was able to reduce the total bilirubin levels of rats compared to the group given only AT suspension. However, statistical significance was only reached by the groups that were treated with Paliasa extract 250 and 500 mg/kgBB. Therefore it is concluded that ethanol extract at a dose of 250 and 500 mg/kgBB has protective effect against AT-induced elevation of total bilirubin serum in rats.
Pengaruh Pemberian Eccentric Strengthening Exercises Terhadap Perubahan Foot Alignment, Malleolus Height Dan Tingkat Agility Pada Pemain Bulu Tangkis Junior Di Kota Makassar
Authors: Hermilasari Hermilasari
Published: October 2019

Foot alignment merupakan keselarasan sumbu vertikal tubuh terhadap posisi normal kaki yang dapat mempengaruhi keselarasan mekanis dan fungsi dinamis ekstremitas inferior yang dapat memberikan dukungan dan menjaga keseimbangan tubuh. Malalignment pada struktur kaki menunjukkan adanya gangguan biomekanik, seperti overpronation memungkinkan terjadi perubahan struktur dan fungsional tubuh yang dapat mempengaruhi ekstremitas inferior dan ekstremitas superior. Penelitian ini bertujuan untuk mengetahui pengaruh Eccentric Strengthening Exercises terhadap perubahan Foot Alignment, Malleolus Height dan Tingkat Agility. Penelitian ini merupakan penelitian quasi-experimental design dengan rancangan penelitian time-series experimental design. Populasi penelitian adalah pemain bulu tangkis junior di Kota Makassar usia 11-15 tahun. Pengambilan sampel menggunakan teknik purposive sampling dengan jumlah sampel 32 orang. Pengumpulan data dilakukan melalui pengambilan data primer melalui instrumen pengukuran foot alignment , malleolus height dan agility. Data yang terkumpul dilakukan uji normalitas menggunakan Shapiro Wilk Test. Sebaran data berdistribusi normal. Kemudian dilakukan uji perbedaan pre test dan post test menggunakan uji repeated anova untuk data berdistribusi normal dan uji friedman untuk data berdistribusi tidak normal. Dari hasil pengukuran diperoleh nilai signifikan p=0,0001 (p<0,05) setelah 18 kali pemberian latihan. Penelitian menunjukkan bahwa adanya pengaruh eccentric strengthening exercise terhadap perubahan foot alignment, malleolus height dan tingkat agility pada pemain bulu tangkis junior di kota makassar.
Three-Dimensional Aerial Image Interface, 3DAII
Authors: Matsumaru Takafumi ,   Graduate School of Information, Production, and Systems, Waseda University 2-7 Hibikino, Wakamatsu-ku, Kitakyushu, Fukuoka 808-0135, Japan, Septiana Asyifa Imanda , Horiuchi Kazuki
Published: October 2019

In this paper, we introduce the three-dimensional aerial image interface, 3DAII. This interface reconstructs and aerially projects a three-dimensional object image, which can be simultaneously observed from various viewpoints or by multiple users with the naked eye. A pyramid reflector is used to reconstruct the object image, and a pair of parabolic mirrors is used to aerially project the image. A user can directly manipulate the three-dimensional object image by superimposing a user’s hand-finger or a rod on the image. A motion capture sensor detects the user’s hand-finger that manipulates the projected image, and the system immediately exhibits some reaction such as deformation, displacement, and discoloration of the object image, including sound effects. A performance test is executed to confirm the functions of 3DAII. The execution time of the end-tip positioning of a robotic arm has been compared among four operating devices: touchscreen, gamepad, joystick, and 3DAII. The results exhibit the advantages of 3DAII; we can directly instruct the movement direction and movement speed of the end-tip of the robotic arm, using the three-dimensional Euclidean vector outputs of 3DAII in which we can intuitively make the end-tip of the robotic arm move in three-dimensional space. Therefore, 3DAII would be one important alternative to an intuitive spatial user interface, e.g., an operation device of aerial robots, a center console of automobiles, and a 3D modelling system. A survey has been conducted to evaluatecomfortandfatiguebased on ISO/TS 9241-411 andease of learningandsatisfactionbased on the USE questionnaire. We have identified several challenges related to visibility, workspace, and sensory feedback to users that we would like to address in the future.
Effect of Trunk Swinging Behaviors on Planar Bipedal Walking with an Upper Body on Gentle Slope
Authors: Honjo Toyoyuki ,   National Defense Academy of Japan 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan, Yoshida Hidehisa
Published: October 2019

Bipedal walking locomotion is one of the characteristics of human behavior. Both the lower body and the upper body (trunk) behaviors affect walking characteristics. To achieve a suitable gait, it is important to understand the effect of the trunk behavior. Therefore, in this paper, the effects of three types of trunk swinging behavior on planar bipedal gait in a model with an upper body – forward swinging, backward swinging, and no swinging – were evaluated using numerical simulations. To reduce control inputs and reflect the effect of upper body behavior, an underactuated bipedal walker without knee joints was adopted. This walker walked down a gentle slope using only hip actuation between the stance leg and the trunk. As a result, unique gait characteristics that depended on the direction of the trunk swinging behavior were found, including a longer step length and a lower-frequency gait with forward trunk swinging behavior and a shorter step length and higher-frequency gait with smaller angular momentum with backward trunk swinging behavior.
Gravity Compensation Modular Robot: Proposal and Prototyping
Authors: Morooka Yukio ,   Tokyo University of Agriculture and Technology 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan, Mizuuchi Ikuo
Published: October 2019

If a robot system can take various shapes, then it can play various roles, such as humanoid, dog robot, and robot arm. A modular robot is a robot system in which robots are configured using multiple modules, and it is possible to configure robots of other shapes by varying the combinations of the modules. In conventional modular robots, the shape is restricted by gravity, and configurable shapes are limited. In this study, we propose a gravity compensation modular robot to solve this problem. This paper describes the design and prototyping of the gravity compensation modular robot, and provides examples of robot shapes configured using the gravity compensation modules and motion experiments of the robots. In the experiments, there were motions that the robots could perform and could not perform. We considered the lack in the gravity compensation level and module rigidity as the main factor of the failures. This paper also discusses the solutions to these problems.
Development of the Servo Valve with High Durability Using Split-Type Sleeve – Reduction of Wear with Ceramic Material –
Authors: Sakakibara Koki ,   Meijo University 1-501 Shiogamaguchi, Tempaku-ku, Nagoya, Aichi 468-8502, Japan, Suzuki Shunya , Shibata Kazushi , Sawada Yuto , Ashizawa Satoshi , Oomichi Takeo
Published: October 2019

Reduction of leakage is a major problem in water hydraulic systems. With a servo valve, it is possible to reduce the internal leakage by reducing the clearance between a spool and a sleeve. However, because the clearance is reduced, wear tends to occur easily between the spool and sleeves when the servo valve is driven. As a result, the durability of the servo valve is reduced. Attention is paid to the durability against wear of ceramic materials, and the wear can be suppressed by using ceramics as the materials of the spool and sleeve. Thus, one can check whether the wear between the spool and sleeve can be suppressed, thereby improving the durability of the servo valve.
Development of Respiration Measuring Robot
Authors: Satake Junji ,   Fukuoka Institute of Technology 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka 811-0295, Japan, Ushijima Tsukasa , Kudo Yusuke
Published: October 2019

In this study, we developed and tested a monitoring robot to measure the respiration of a person. Upon detecting any abnormality, such as a subject falling down of a person, the monitoring robot moves closer to the person. Subsequently, it automatically extracts the pectoral region from the images and determines the respiration using the measured pectoral movements. We demonstrated that our monitoring robot can automatically perform this series of operations.
Zombification of Insects as a Model for Searching the Source of Various Behaviors of Living Organisms
Authors: Osuka Koichi ,   Department of Mechanical Engineering, Osaka University 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
Published: October 2019

The adaptive behavior of living creatures is considered to be generated by interactions between the brain, body, and environment. However, to better understand this essence, it is important to study the minimalistic set of interactions between the brain, body, and environment and to extract the underlying control mechanism. Therefore, in this research, we propose a novel methodology for observing the behavior by stepwise inhibition (zombification) of the upper brain functions of living organisms.*

*This article is a translation from the article: K. Osuka, “Source of Various Behaviors of Living Things that Understands from Zombification of Insects,” The 8th Conf. of Transdisciplinary Federation of Science and Technology, D-2-1, 2017 (in Japanese).
Centipede Type Robot i-CentiPot: From Machine to Creatures
Authors: Osuka Koichi , Kinugasa Tetsuya , Hayashi Ryota , Yoshida Koji , Owaki Dai , Ishiguro Akio ,   Osaka University 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan,   Okayama University of Science 1-1 Ridai-cho, Kita-ku, Okayama, Okayama 700-0005, Japan,   Tohoku University 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Published: October 2019

In this study, we have developed a centipede-like multi-legged robot named i-CentiPot. This robot was developed to demonstrate our concept presented in the CREST project. In the project, we show that the existence of implicit control is important. i-CentiPot plays the part of the anchor example for our project.*

* This article is a translation from the article: K. Osuka et al., “Centipede type robot i-CentiPot: From machine to creatures,” The 8th Conf. of Transdisciplinary Federation of Science and Technology, D-2-4, 2017 (in Japanese).
ANALISIS PENGELOLAAN DANA HAJI PADA PT. BANK ACEH SYARIAH
Authors: Zainul Zaida Rizqi , Khairannis Khairannis
Published: October 2019

Since the transfer of hajj funds from the Ministry of Religion to BPKH, BPKH has managed haj funds, one of which is by placing on Islamic bank products. The Islamic banks selected as managers and recipients of Hajj fund deposits are 31 Islamic banks. One of them is Bank Aceh Syariah. This study aims to determine the management of Hajj funds in Bank Aceh Syariah. The method used is descriptive analysis with a qualitative approach. The results of this study indicate that the management of Hajj funds at PT. Bank Aceh Syariah uses the wadiah yad dhamanah contract. Hajj funds at Bank Aceh Syariah are channeled to financing products so that they can be useful to increase profitability and maintain the liquidity of Aceh's banks. In addition, pilgrims also benefit in the form of returns from the management of the pilgrimage fund which is used to subsidize the pilgrimage departure funds of pilgrims.

 
EFEKTIFITAS LITERASI MELALUI GAME NABUNG SAHAM GO TERHADAP KEPUTUSAN MEMBELI SAHAM SYARIAH
Authors: Hana Kharis Fadlullah
Published: October 2019

This  research aims to determine  an influence of understanding of students of IAIN Kudus through the game of saving stock go to the decision to buy Islamic shares. The research approach uses a quantitative approach with the path analysis method through the warpPLS 6.0 application. Literacy as an independent variable is a buying decision as an dependent variable and game media as an intervening variable. The subjects in this study were 100 students of IAIN Kudus using purposive random sampling technique. The results showed that there is an influence of literacy through games on purchasing decisions with a significance of 0.003. The indirect effect is 0.192 and the total effect is 0.569. This means that literacy through the savings game go stock has a positive and significant effect on the decision to buy Islamic stocks.
DELAPAN GOLONGAN PENERIMA ZAKAT ANALISIS TEKS DAN KONTEKS
Authors: Firdaningsih Firdaningsih , Wahyudi Muhammad Sri , Hakim Rahmad
Published: October 2019

This study aims to compare eight groups of zakat recipients in the opinion of ulama and the actualization of amil zakat institutions to eight groups of zakat recipients. This research used qualitative research with phenomenological approach as a part of qualitative research that explore a phenomena based on perspective and people awareness. The data collected are primary data and secondary data. The object used in this study is the opinion of ulama, Amil Zakat institution Nurul Hayat KC Malang and LAZISMU Malang Regency. Method of data collection are interview, documentation and observation. While data analysis technique uses content analysis techniques.The results of this study, there are similarities in the analysis text that is based on the opinions of ulama and contexts which are actualization by the amil zakat institution, both Nurul Hayat KC Malang and LAZISMU Malang Regency. Except for the riqab group which in the actualization by LAZISMU Malang Regency which had expansion meaning, so that the distribution of zakat was not only for the people free from slavery but also for those who are in opressed.

 
Prediksi financial distress dengan analisis risk, good corporate governance, earningsc Capital, dan size pada Bank Umum Swasta Nasional Devisa
Authors: Putri Elysa Lisitiana
Published: October 2019

The research aims to predict financial distress at the Foreign Exchange National Private Commercial Bank by using analysis of risk, good corporate governance, earnings, capital and size. Using  sample 17 national foreign exchange private banks, and data analysis techniques using Multiple Linear Regression for four conditions, namely all conditions, financial distress conditions, gray area conditions, and non financial distress conditions. The results of this study indicate that the NPL and the proportion of independent commissioners do not have a significant effect on all conditions, financial distress conditions, gray area conditions, and non financial distress conditions. ROA has a significant effect only for all conditions, gray area, and non financial distress conditions. CAR has a significant effect on all conditions, and financial distress conditions, size only has a significant effect on all conditions and conditions in the gray area.
Pengaruh kepemimpinan transaksional terhadap komitmen dimediasi oleh kepuasan kerja
Authors: Syafi'i Imam , Sarwoko Endi
Published: October 2019

The purpose of the study was to analyze the effect of transactional leadership on commitment mediated by job satisfaction. The sample used to be employees of the Krebet Baru Malang PG Company, as many as 62 people, data were collected using a questionnaire, and the data analysis technique used Path Analysis. The results showed that transactional leadership had a positive and significant effect on commitment, transactional leadership had a positive and significant effect on work commitment which was mediated by job satisfaction in Krebet Baru PG Malang. The result findings show that transactional leadership plays a role in increasing organizational commitment, while also contributing to increasing job satisfaction, job satisfaction will have an impact on organizational commitment.
Services quality of Islamic university
Authors: Misbach Irwan
Published: October 2019

This study is to determine the level of student satisfaction with the service quality of islamic university. The study sample was 83 people based on accidental sampling, using Performance-Importance Analysis. The results of this study found that high religious students who received administrative and academic services were in the very satisfied category with a value of 98.3%. However, there is a service that must be a concern of the university, namely the ability of the university to respond or act quickly in solving problems faced by students. In addition, the quality of service that is prioritized is not very important for students, so the implementation seems ordinary because students are quite satisfied with the service. Services included in this category are representative service rooms, complete learning, attractive-looking staff, fast and appropriate services, and complicated procedures.
Pengaruh kualitas pelayanan Ijin Mendirikan Bangunan (IMB) terhadap kepuasan masyarakat
Authors: Wuryanti K Henny , Andriani Nurita , Arief Mohammad
Published: October 2019

The study aims to determine the effect of the quality of licensing services for Building Construction Permits (IMB) including physical evidence, reliability, responsiveness, assurance, empathy for community satisfaction in the services of the Public Works Office of Cipta Karya and Spatial Planning in Surabaya. The sampling technique uses purposive sampling with a sample size of 187, using data analysis is PLS (Partial Least Square). The results showed that physical evidence, reliability, responsiveness, assurance, and empathy had a significant positive effect on community satisfaction of users of IMB permit services in Surabaya Public Works and Spatial Planning Office.
Kepuasan sebagai mediasi pengaruh motivasi kerja dan iklim kerja terhadap kinerja karyawan
Authors: Alansyah Putra Muhammad
Published: October 2019

This research focuses on the employee performance and job satisfaction. This research to analysis the influence of motivation and work climate to job satisfaction, the influence of motivation and work climate on employee performance, the influence of job satisfaction on employee performance, the influence of motivation on employee performance through job satisfaction, work climate on employee performance through job satisfaction. This research was conducted at PT. Hajar Aswad Probolinggo, with a sample 67 employees. The analysis technique used is Path Analysis. The result of the research shows that motivation and work climate have a significant effect on job satisfaction, motivation and work climate have a significant effect on employee performance, job satisfaction has a significant effect to employee performance, motivation has a significant effect on employee performance and job satisfaction, work climate has a significant effect on employee performance and job satisfaction, job satisfaction effectively mediates motivation and work climate on performance.
Muhasebe ve Denetim Standartlarindaki Güçlenmenin Yenilikçi İşletmelerin Büyümelerine Etkisi
Authors: Elagöz İsmail , Atılgan Sarıdoğan Ayşe
Published: October 2019

Bu çalışmada yenilikçi işletmelerin sürdürülebilir büyümesinde önem arz eden muhasebe ve denetim
standartlarının gücü, 2018 yılı verilerine göre 140 ülke için ANOVA testi ile
incelenmiştir. Ampirik sonuçlara göre, muhasebe denetim standartları düzeyinin
gelişmişlik düzeyine göre, yenilikçi işletmelerin büyümesi, ülke grupları için
ortalamada istatistiksel olarak anlamlı farklılık göstermektedir. Muhasebe
denetim standartları düzeyi arttıkça, yenilikçi işletmelerin büyümesi de artış göstermektedir. Sonuç olarak, işletmeler, sürdürülebilir büyümelerinde
önemli bir role sahip olan muhasebe ve denetim standartlarının etkin
uygulanması için gerekli politika ve stratejileri uygulamaları son derece büyük
önem arz etmektedir.
Computational Intelligence Techniques for Assessing Anthropometric Indices Changes in Female Athletes
Authors: Kazemipoor Mahnaz , Rezaeian Mehdi , Kazemipoor Maryam , Hamzah Sareena , Shandilya Shishir Kumar
Published: October 2019

Background:

Physical characteristics including body size and configuration, are considered
as one of the key influences on the optimum performance in athletes. Despite several analyzing
methods for modeling the slimming estimation in terms of reduction in anthropometric indices,
there are still weaknesses of these models such as being very demanding including time
taken for analysis and accuracy.

Objective:

This research proposes a novel approach for determining the slimming effect of a herbal
composition as a natural medicine for weight loss.

Methods:

To build an effective prediction model, a modern hybrid approach, merging adaptivenetwork-
based fuzzy inference system and particle swarm optimization (ANFIS-PSO) was constructed
for prediction of changes in anthropometric indices including waist circumference,
waist to hip ratio, thigh circumference and mid-upper arm circumference, on female athletes after
consumption of caraway extract during ninety days clinical trial.

Results:

The outcomes showed that caraway extract intake was effective on lowering all anthropometric
indices in female athletes after ninety days trial. The results of analysis by ANFIS-PSO
was more accurate compared to SPSS. Also, the efficiency of the proposed approach was confirmed
using the existing data.

Conclusion:

It is concluded that a development in predictive accuracy and simplification capability
could be attained by hybrid adaptive neuro-fuzzy techniques as modern approaches in detecting
changes in body characteristics. These developed techniques could be more useful and valid than
other conventional analytical methods for clinical applications.
Influence of Temperature and Shear Rate on Rheological Properties of CTAC/NaSal Aqueous Solution
Authors: Pang Mingjun , Xie Chengcheng
Published: October 2019

Background: It is very important for understanding the turbulence drag-reducing
mechanism and for improving product quality in the fields of pharmaceutical and chemical
engineering to deeply investigate the rheological properties of surfactants solutions.

Methods:

The rheological properties of Cationic surfactant (Cetyltrimethyl Ammonium
Chloride)/Sodium salicylate were measured and analyzed with the MCR302 rheometer.

Results:

The present results show that the shear viscosity of CTAC/NaSal solution with the
exception of 0.9375mmol·L-1 can show the Newtonian characteristic, the shear-thickening,
the shear-thinning and the stable shear properties with changing shear time. The induction
time increases with a shear rate as a power law function relation tind=aγb.

Conclusion:

The shear viscosity of the CTAC/NaSal solution can be divided into three regions
with shear rate, and its flow curve conforms to a linear function in the logarithmic coordinate.
When the concentration and the shear rate are relatively high, the viscosity curve of
the CTAC/NaSal solution appears "platform" at the high temperature. When the shear rate is
greater than 90s-1, the shear viscosity only appears shear thinning with increasing temperature.
The Use of Ultrasound in Bio-Treatment of Jute Yarn with Laccase Enzyme
Authors: Zolriasatein Ali A.
Published: October 2019

Background and Objective:

Jute fiber is highly sensitive to the action of light.
Significant features of the photochemical changes lose its tensile strength and develop a yellow
color. It has been proved that the phenolic structure of lignin is responsible for the yellowing
of jute fiber. In order to remove lignin, jute yarns were treated with laccase enzyme
in different treatment times and ultrasonic powers. Lower whiteness index and higher yellowness
index values were obtained by the laccase-ultrasound system in contrast to conventional
laccase treatment.

Methods:

The laccase enzyme which entered the fibers by applying ultrasound, decreased
the tensile strength while the loss in tensile strength was lower at high ultrasound intensities.
FT-IR spectrum showed that the band at 1634 cm-1 assigned to lignin completely disappeared
after laccase treatment in the presence of ultrasound. The absence of this peak in the
laccase-ultrasound treated jute yarn suggests complete removal of lignin. Change in the
morphology of fibers was observed by SEM before and after enzymatic delignification. The
laccase-ultrasound treated yarns showed a rougher surface and more porosity. On the other
hand, it was more effective in fibrillation of the jute fibers than the conventional method. Finally,
bio-treated jute yarns were dyed with basic and reactive dyes.

Results:

The results indicated that at low intensities of ultrasound and relatively long reaction
times, lignin can be more effectively removed and dye strength (K/S) increased to a higher
extent. Laccase-ultrasound treatment increased the color strength by 33.65% and 23.40% for
reactive and basic dyes respectively.

Conclusion:

In the case of light fastness, the conventional laccase treated yarns provided
better protection than laccase-ultrasound treated yarns.
XXIII Международный симпозиум Нанофизика и наноэлектроника", Нижний Новгород, 11-14 марта 2019 г. Pежимы колебаний в одномерной цепочке джозефсоновских контактов с нелокальной запаздывающей связью
Authors: Галин М.А. , Курин В.В.
Published: October 2019

We performed the numerical investigation of the one-dimensional series Josephson junction array with electromagnetic coupling and taking into account the delay. In general case of nonzero delay the equations for fast and slow phases have been obtained in the high-frequency (HF) approximation. The regimes of oscillations of the junction array have been studied at the different position on the current-voltage characteristic (IVC), including on its reverse branch. The same investigation has been performed for the systems of equations without delay of interaction and for the arbitrary bias current. Several stationary regimes of oscillations have been observed: synchronous oscillations, regime of traveling wave, regime of partial transition of junctions to the superconducting state and also chimera states.
Моделирование взаимодействия зонда магнитно-резонансного силового микроскопа с ферромагнитным образцом
Authors: Горев Р.В. , Скороходов Е.В. , Миронов В.Л.
Published: October 2019

We report the calculating algorithm and micromagnetic simulation of the resonance response of a magnetic resonance force microscope (MRFM) probe sensor. The simulation of the sample magnetization forced oscillations enables calculating the alternating component of the probe-sample force interaction and to draw the MRFM spectrum in the form of the dependence of cantilever oscillation amplitude on an external magnetic field. In addition, the simulation of the time dependences for all components of the magnetization allows the analysis of spatial distributions for spin-wave resonances in the samples. For the test object in the form of rectangular permalloy microstrips a good agreement between model and experimental MRFM spectra was observed.
Исследование резистивного переключения нестационарными сигналами в пленках ZrO-=SUB=-2-=/SUB=-(Y) методом атомно-силовой микроскопии
Authors: Филатов Д.О. , Коряжкина М.Н. , Антонов Д.А. , Антонов И.Н. , Лискин Д.А. , Рябова М.А. , Горшков О.Н.
Published: October 2019

The features of resistive switching in the yttria stabilized zirconia films on the conductive substrates
by triangle pulses with superimposed high-frequency sinusoidal signal has been studied using
Conductive Atomic Force Microscopy. The improvement of the ratio of the values of the electric
current through the contact of the probe to the surface of the dielectric film in the low resistant state
and in the high resistant one as well as of the long-time scale stability of the values of the electric
current through the contact in the respective states when applying the sinusoidal sighnal as
compared to the switching by the triangle pulses has been observed. The effect was attributed to the
resonant activation of the oxygen ion migration via the oxygen vacancies by the alternating external
electric field.
Управление магнитными свойствами многослойных периодических структур на основе Co/Pt
Authors: Татарский Д.А. , Гусев Н.С. , Михайловский В.Ю. , Петров Ю.В. , Гусев С.А.
Published: October 2019

The possibility of controlling the magnetic properties of multilayer periodic structures with perpendicular magnetic anisotropy based on cobalt and platinum films is investigated. Multilayer films consisting of layers 0.5–1.0 nm thick undergo to two types of impacts: vacuum annealing at different temperatures and irradiation with beams of helium ions. It was shown using transmission electron microscopy that irradiation with He+ ions with an energy of 30 keV leads to the mixing of the material of the layers. But the layer structure of the film is preserved during vacuum annealing. As a result of thermal annealing, the coercive force of the structure increases significantly. The coercivity of the helium ion irradiated films decreases to a change in the type of anisotropy from the perpendicular magnetic anisotropy to the “easy plane” anisotropy.
Бериллий как материал для термостойких рентгеновских зеркал
Authors: Чхало Н.И. , Зорина М.В. , Малышев И.В. , Пестов А.Е. , Полковников В.Н. , Салащенко Н.Н. , Казаков Д.С. , Мильков A.В. , Струля И.Л.
Published: October 2019

AbstractThermophysical and mechanical characteristics of beryllium are compared with the corresponding characteristics of promising materials that are used for fabrication of precision mirrors working under high-intensity electromagnetic irradiation. Advantages and prospects for application of beryllium in the third- and fourth-generation synchrotrons are discussed. An original method for fabrication of ultrasmooth surfaces of beryllium substrates is presented, and limiting roughnesses are reported. Reflectances at a wavelength of 13.5 nm are determined for a multilayer Mo/Si mirror deposited on the beryllium substrate. Prospects for improving quality of polishing of beryllium substrates are discussed.
Магнитострикционный эффект в ферромагнитных пленках с анизотропией типа "легкая ось" и "легкая плоскость"
Authors: Гусев Н.С. , Пашенькин И.Ю. , Сапожников М.В. , Удалов О.Г. , Юнин П.А.
Published: October 2019

AbstractMagnetostriction properties of Ni and FeGa films with easy-plane anisotropy and Co/Pt multilayer structures with perpendicular anisotropy have been experimentally investigated. The magnetic properties of films have been studied by magneto-optical methods. Magneto-optical measurements have been performed with controlled bending of the substrate on which the magnetic film is deposited. It is shown that substrate bending induces rotation of the anisotropy axis of the Ni and FeGa films by 90° relative to its initial direction in an unstrained film. The value of perpendicular anisotropy in the Co/Pt multilayer films is shown to change at substrate bending. The layer parameters, at which the magnetostriction effect can be observed in films with perpendicular anisotropy, are established.
Распределение намагниченности в частицах с конфигурационной анизотропией, полученных методом микросферной литографии
Authors: Бизяев Д.А. , Бухараев А.А. , Нургазизов Н.И. , Чукланов А.П. , Масалов В.М.
Published: October 2019

The arrays of permalloy micron-sized particles with configurational anisotropy of shape was made by microsphere lithography technique. The properties of the particles were studied by atomic-force microscopy and magnetic-force microscopy. The magnetization distribution in particles was studied depending on the size of microspheres used in lithography process. The computer simulation of magnetic-force images of the particles was carried out. The quantitative and qualitative comparisons of shapes, sizes and reproducibility of particles fabricated by microsphere lithography and scanning probe lithography was performed.
Влияние фторзаместителей на параметры внутри- и межмолекулярного взаимодействия молекул 1,4-дистирилбензола
Authors: Компанеец В.В. , Каримуллин К.Р. , Васильева И.А.
Published: October 2019

A comparative analysis of the parameters of the Franсk-Kondon and Herzberg-Teller interactions forming the fine-structure spectra of α, ω-tetrafluorodysterylbenzene, 1,4-distyrylbenzene and stilbene is carried out. It is shown that the introduction of fluorine substituents leads to reduce the dipole moment of the molecule, and as a result, reduces the values of the parameters of intermolecular interaction. It is concluded that the parameters of intra- and intermolecular interactions, forming the fine-structure spectra of the selected molecules, make it possible to use the fragmentary approach in the description of fundamental bands.
Динамические поляризуемости двухатомных молекул: сравнение методов ab initio и теории функционала плотности с методом замещенной функции Грина теории квантового дефекта
Authors: Корнев А.С. , Суворов К.И. , Чернов В.Е. , Копытин И.В. , Зон Б.А.
Published: October 2019

The quantum defect theory is used to test the accuracy of ab initio methods and density functional theory (DFT) in calculating the frequency-dependent polarizabilities of diatomic molecules. We confine ourselves to testing only those variants of these methods that are most accurate for calculating static polarizabilities. The test results show that one of the main errors of the ab initio and DFT methods is associated with inaccuracies in determining the energies of excited states, where frequency-dependent polarizabilities have resonance maxima.
Спин-зависимые колебательные спектры эндоэдрального металлофуллерена Gd@C-=SUB=-60-=/SUB=-
Authors: Крисилов А.В. , Нечаев И.В. , Чернов В.Е. , Зон Б.А.
Published: October 2019

We perform quantum chemical calculations of structures and IR spectra for endofullerene Gd@C60 in different spin states. It was found that the IR spectrum of endofullerenes Gd@C60 contains many lines in the range of 10-1540 cm−1. The frequencies and intensities of the IR lines of Gd@C60 depend on the spin state and molecular symmetry of the endofullerene. The frequencies of the coupled “metal-cage’’ vibrations lie in the range of 10¬–160 cm−1 and change significantly when the spin state changes. The spin dependence of the vibrational spectra opens up opportunities for monitoring the spin state of endofullerene by measuring the IR line frequencies, which is important for nanoelectronics and quantum Informatics
Фазово-модулированный двухкомпонентный импульс в диспергирующей среде
Authors: Адамашвили Г.Т.
Published: October 2019

Abstract A theory of optical two-component pulse of self-induced transparency in a dispersive medium has been developed. Using the generalized version of the perturbative expansion method, the system of material equations for an ensemble of two-level atoms and the wave equation in a dispersive medium are reduced to coupled nonlinear Schrödinger equations. A solution in the form of a phase-modulated two-component $$0\pi $$  pulse is obtained. The pulse components oscillate at the sum and difference frequencies in the vicinity of the carrier-wave frequency. Explicit analytical expressions for the parameters and formation conditions of a nonlinear wave, which depend on the dispersive properties of the medium, are presented. Known results are obtained for a particular case.
Оптические коэффициенты пленок меди нанометровой толщины в диапазоне 9--11 GHz
Authors: Вдовин В.А. , Андреев В.Г. , Глазунов П.С. , Хорин И.А. , Пинаев Ю.В.
Published: October 2019

The reflection, transmission, and absorption coefficients of ultrathin copper films on a quartz substrate in a waveguide at frequencies of 9–11 GHz were measured. Films less than 5 nm thick are almost completely oxidized and transparent to microwave radiation. A conductive layer is formed when the film thickness exceeds 5 nm, however, the reflection coefficient increases with a thickness in the range of 5-15 nm more slowly than it follows from calculations utilized the model conductivity of a continuous film. The results can be explained by the morphology of the films.
Clustering Insomnia Patterns by Data From Wearable Devices: Algorithm Development and Validation Study
Authors: Park Sungkyu , Lee Sang Won , Han Sungwon , Cha Meeyoung
Published: October 2019

Background

As societies become more complex, larger populations suffer from insomnia. In 2014, the US Centers for Disease Control and Prevention declared that sleep disorders should be dealt with as a public health epidemic. However, it is hard to provide adequate treatment for each insomnia sufferer, since various behavioral characteristics influence symptoms of insomnia collectively.

Objective

We aim to develop a neural-net based unsupervised user clustering method towards insomnia sufferers in order to clarify the unique traits for each derived groups. Unlike the current diagnosis of insomnia that requires qualitative analysis from interview results, the classification of individuals with insomnia by using various information modalities from smart bands and neural-nets can provide better insight into insomnia treatments.

Methods

This study, as part of the precision psychiatry initiative, is based on a smart band experiment conducted over 6 weeks on individuals with insomnia. During the experiment period, a total of 42 participants (19 male; average age 22.00 [SD 2.79]) from a large university wore smart bands 24/7, and 3 modalities were collected and examined: sleep patterns, daily activities, and personal demographics. We considered the consecutive daily information as a form of images, learned the latent variables of the images via a convolutional autoencoder (CAE), and clustered and labeled the input images based on the derived features. We then converted consecutive daily information into a sequence of the labels for each subject and finally clustered the people with insomnia based on their predominant labels.

Results

Our method identified 5 new insomnia-activity clusters of participants that conventional methods have not recognized, and significant differences in sleep and behavioral characteristics were shown among groups (analysis of variance on rank: F4,37=2.36, P=.07 for the sleep_min feature; F4,37=9.05, P<.001 for sleep_efficiency; F4,37=8.16, P<.001 for active_calorie; F4,37=6.53, P<.001 for walks; and F4,37=3.51, P=.02 for stairs). Analyzing the consecutive data through a CAE and clustering could reveal intricate connections between insomnia and various everyday activity markers.

Conclusions

Our research suggests that unsupervised learning allows health practitioners to devise precise and tailored interventions at the level of data-guided user clusters (ie, precision psychiatry), which could be a novel solution to treating insomnia and other mental disorders.
Generating Medical Assessments Using a Neural Network Model: Algorithm Development and Validation
Authors: Hu Baotian , Bajracharya Adarsha , Yu Hong
Published: October 2019

Background

Since its inception, artificial intelligence has aimed to use computers to help make clinical diagnoses. Evidence-based medical reasoning is important for patient care. Inferring clinical diagnoses is a crucial step during the patient encounter. Previous works mainly used expert systems or machine learning–based methods to predict the International Classification of Diseases - Clinical Modification codes based on electronic health records. We report an alternative approach: inference of clinical diagnoses from patients’ reported symptoms and physicians’ clinical observations.

Objective

We aimed to report a natural language processing system for generating medical assessments based on patient information described in the electronic health record (EHR) notes.

Methods

We processed EHR notes into the Subjective, Objective, Assessment, and Plan sections. We trained a neural network model for medical assessment generation (N2MAG). Our N2MAG is an innovative deep neural model that uses the Subjective and Objective sections of an EHR note to automatically generate an “expert-like” assessment of the patient. N2MAG can be trained in an end-to-end fashion and does not require feature engineering and external knowledge resources.

Results

We evaluated N2MAG and the baseline models both quantitatively and qualitatively. Evaluated by both the Recall-Oriented Understudy for Gisting Evaluation metrics and domain experts, our results show that N2MAG outperformed the existing state-of-the-art baseline models.

Conclusions

N2MAG could generate a medical assessment from the Subject and Objective section descriptions in EHR notes. Future work will assess its potential for providing clinical decision support.
PHYTOCHEMICAL CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF THE NORTHERN MOROCCAN SPECIES: WITHANIA FRUTESCENS L.
Authors: ABDELFATTAH EL MOUSSAOUI  , FATIMA ZAHRA JAWHARI  , DALILA BOUSTA  , AMINA BARI
Published: October 2019

Objective: In this study, we were interested in qualitative, quantitative phytochemical characterization and evaluation of the antioxidant capacity of the total extracts of a plant from northern Morocco, the species selected for this study is Withania frutescens.

Materials and Methods: Analysis of mineral elements by inductive coupling plasma-atomic absorption spectroscopy (ICP-AES), phytochemical screening, polyphenol and tannin assays, evaluation of antioxidant activity by the 1,2-diphenyl-β-picrylhydrazyl (DPPH) free radical scavenging method and reducing power.

Results: The plant contains alkaloids, saponins, tannins, mucilages, and coumarins. It has a relatively high content of total polyphenols and tannins of 19.53±0.018 μg genetic generalized epilepsy/mg MS and 6.258±0.062 μg Eqcat/mg MS, respectively. The analysis of mineral elements by ICP-AES shows that our species is rich in mineral elements which are calcium, magnesium, and sodium, and it is devoid of metallic elements such as nickel, lead, cadmium, and cobalt. The evaluation of antioxidant activity by the DPPH free radical scavenging method shows that the half maximal inhibitory concentration of the tested extracts has an antiradical activity of about 0.056±0.008 μg/ml for the ethanol extract and 0.213±0.004 μg/ml for the methanol extract compared to the butylated hydroxytoluene value of 0.009±0.0004 μg/ml which was used as a reference. The reducing capacity test shows that methanolic extract has a high antioxidant capacity (0.213±0.006) compared to ethanolic extract (0.043±0.004) but remains low compared to ascorbic acid (0.003±0.0004) which was used as reference.

Conclusion: Phytochemical analysis of W. frutescens shows that this plant is rich in high quantities of alkaloids, saponins, mucilage, tannins, and coumarins. It contains an average amount of total polyphenols and tannins that confer significant antioxidant activity to the plant studied.
ALOE VERA: AN ASSURED WEIGHT LOSS DIET – AN APPROACH TOWARD IMPROVING THE JUICE PALATABILITY AND IN SILICO ANALYSIS
Authors: DISALVA X  , SHARANYA M  , MAHENDRAN RADHA
Published: October 2019

Objective: Obesity is an epidemic disease act as causative for global death. The principal aim of this study is to create an obesity treatment beverage that is palatable and readily acceptable to the public. Aloe vera juice is one such drink known to assist in reducing obesity. This juice is sold at several places in Chennai and more easily available for morning walkers along the Marina beach. Although known for its benefits in promoting a slim and fit physique, its taste is less palatable. The objective of this study is to develop a concoction that will make the A. vera juice tasty without compromising its nutritive value.

Materials and Methods: The taste is achieved by the addition of various fruit juices such as orange, lime, sweet lime, muskmelon, and pineapple with honey and stevia for sweetening. The weight loss ability of the prepared drinks is evaluated using pancreatic lipase inhibitory and the presence of phytochemicals. To the credit, the present study also determines the efficiency of A. vera compounds for its antiobesity property through in silico techniques. The significant interaction exhibited by the compounds with the antiobesity target inositol hexakisphosphate kinase 1 (IP6K1) was discussed.

Results: The recipe B containing orange juice: A. vera juice: stevia in the ratio 3:3:1 had good taste and the significant lipase activity. The phytochemicals present in the A. vera are tannins, flavonoids, alkaloids, steroids, and polyphenols, and these phytochemicals are observed having significant interaction with protein IP6K1. Aloin A and aloe emodin had significant Glide score and interactions with active site residues.

Conclusion: Natural herbal products for weight reduction may be effective in the treatment of obesity and associated disorders. The potential lipase inhibition activity of juice may be due to the presence of various phytochemicals such as flavonoids, polyphenol etc. in the Aloe vera.