bluuebunny/crossref_metadata_2025 huggingface dataset:
PENINGKATAN RAGAM GENETIK ANGGREK Dendrobium spp MELAUI HIBRIDISASI UNTUK MENDUKUNG PERKEMBANGAN ANGGREK DI INDONESIA
Authors: Hartati Sri , Budiyono Agus , Cahyono Ongko
Published: March 2018

Perbaikan genetik melalui persilangan interspesifik antara tetua terpilih anggrek Dendrobium spp diarahkan untuk meningkatkan mutu genetik dan nilai ekonomi anggrek alam dipasaran. Anggrek Dendrobium adalah salah satu genus anggrek yang banyak diminati. Upaya peningkatan mutu genetik anggrek memiliki kendala pada teknik penyilangan dan perbanyakan biji hasil hibridisasi/persilangan. Penelitian bertujuan untuk: (1) mendapatkan teknik penyilangan yang dapat menghasilkan biji dengan tingkat fertilitas tinggi dan (2) mendapatkan anggrek hibrida baru yang memiliki keunggulankeunggulan karakter. Penelitian dilakukan di Pusat Konservasi Tumbuhan Kebon Raya LIPI Bogor. Persilangan dilakukan pada 4 sampai 6 individu yang berbunga. Persilangan dilakukan dengan cara menyilangkan tetua terpilih sebagai tetua jantan atau betina Pollinia ditransfer dari anther ke stigma dengan menggunakan tusuk gigi steril, dengan metode (i) crossing , (ii) Resiprocal.Pengamatan dilakukan terhadap karakter induk yang digunakan, waktu persilangan sampai dengan panen buah, dan lama berkecambah. Dari penelitian dihasilkan 4 seri silangan secara resiprok sampai perkecambahan yaitu ♀ Dendrobium mirbelianum x ♂ Dendrobium liniale, ♀ Dendrobium liniale x ♂ Dendrobium mirbelianum, ♀ Dendrobium liniale x Dendrobium bigibbum, ♀ Dendrobium bigibbum x ♂ Dendrobium liniale. Persentase keberhasilan semua persilangan dan resiproknya adalah 100% kecuali persilangan ♀ D.lineale x ♂D. tobaense dan resiproknya tingkat keberhasilannya 0%. Waktu terbentuk buah 3-9 hari, masaknya biji bervariasi antara 81-123 hari dan lama terbentuk protokorm bervariasi 15- 36 hari.
OUTDOOR LEARNING EFFECTIVITY IN ENHANCHING HIGH SCHOOL STUDENT’S ECOLOGICAL LITERACY
Authors: Mashfufi Achmad , Soegiyanto Heribertus , Karyanto Puguh
Published: March 2018

The aims of this thesis writing are: (1) to know the equipment characteristic of SSP based outdoor learning model CTL on living environment subject for XI grade of SMA (2) To know the expedient equipment of SSP based Outdoor Learning Model CTL on living environment subject for XI grade of SMA (3) to know the equipment effectively of Subject Specific Pedagogy (SSP) based outdoor learning model CTL on living environment subject for XI grade of SMA. This research was Research and Development. R & D stage used 4D development model. This research was only focused on 3-D stage (Define, Design, and Develop). The disseminate stage was not done because the research aim was only reached the stage of product development. The effectiveness test used pre test – post test of learning outcome and ecological literacy reinforcement in experiment and control class and used N-Gain analysis and T-test. Based on the data analysis, the research result can be presented as follows: (1) the characteristic of SSP based Outdoor Learning by inserting seven components of CTL and insert of NEP dimension consisted of limits to growth, balance of nature, anti-anthropocentrism, and eco-crisis dimension. (2) Validating result from team expert showed the average assessment of RPP was 78%, including very fair criteria; the average assessment of module was 81%, including very fair criteria; the average assessment of LKS was 81%, including very fair criteria; the average assessment of instrument was 83%, including very fair criteria. (3) The effectiveness count showed an improvement of pre-test to post-test score was 0,538, while improvement in control class was only 0,392, so it can be concluded that experiment class used SSP based outdoor learning model CTL in learning process more effective that control class.
Persepsi Pemustaka Terhadap Layanan Bookless di Perpustakaan Iain Purwokerto
Authors: Antasari Indah Wijaya
Published: March 2018

Layanan bookless IAIN Purwokerto merupakan layanan berbasis digital yang dapat diakses melalui komputer, smartphone, tablet dan notebook yang diharapkan mampu mempermudah dan mempercepat akses pemustaka terhadap buku dan koleksi rujukan. Tulisan ini bertujuan untuk menjajagi sejauh mana pemustaka mengenal, memanfaatkan dan mengevaluasi kelemahan kelebihan layanan bookless. Kajian ini merupakan penelitian survey dengan pendekatan deskriptif kuantitatif. Populasi dalam penelitian ini adalah seluruh pemustaka yang terdaftar sebagai anggota aktif perpustakaan IAIN Purwokerto sebanyak 5.779 orang, sampelnya sebanyak 60 responden dan teknik pengambilan sampelnya menggunakan accidental sample. Teknik pengumpulan data yang dilakukan dengan observasi, dokumentasi dan angket dengan pertanyaan tertutup dan terbuka. Data dianalisa menggunakan statistik deskriptif . Hasil kajian menunjukkan bahwa pemustaka yang sudah mengenal adanya layanan bookless 45%, pemustaka yang sudah menggunakan layanan bookless 16,66%, konten yang dianggap sangat diperlukan adalah menu e-book, kelebihan utama layanan bokless dapat diakses melalui smartphone/tablet/notebook pribadi, dan kelemahan utama layanan bookless hanya dapat diakses disekitar perpustakaan IAIN Purwokerto.
Pengelolaan Tacit Knowledge dan Explicit Knowledge Pusat Perpustakaan UIN Syarif Hidayatullah Jakarta
Authors: Lolytasari Lolytasari
Published: March 2018

AbtsrakPengelolaan tacit knowledge dan explicit knowledge bukanlah sesuatu kegiatan yang baru bagi pustakawan perguruan tinggi. Dua tipe pengetahun ini senantiasa dikelola oleh pustakawan, dan pustakawan menjadi gerbangnya ilmu  pengetahuan. UIN Syarif Hidayatullah Jakarta merupakan salah satu PTAIN (Perguruan Tinggi Agama Islam Negeri) terbesar di Indonesia dan memiliki 12 Fakultas dan 1 Pasca Saraja, sudah seharusnya memiliki program tetap dalam mengelola tacit knowledge dan explicit knowledge.AbstractThe management of tacit knowledge and explicit knowledge is not a new activity for librarian in university. This two type of knowledge is usually managed by librarian and the librarian becomes the gate of knowledge. State Islamic University Syarif Hidayatullah Jakarta is one of the biggest State Islamic University in Indonesia and it has 12 faculties and 1 Post Graduate should have fix program in handing tacit knowledge and explicit knowledge
Scaling Up Highly Permeable Thin Layers Into Flow Simulation
Authors: Gomes Correia Manuel , Schiozer Denis José
Published: March 2018

Giant reservoirs such as Lula (Santos Oil Basin, Brazil) and Ghawar (Saudi Arabia) have high-permeability intervals, known as super-k zones, associated with thin layers. Modeling these small-scale flow features in large-scale simulation models is difficult. Current methods are limited by high computational costs or simplifications that mismatch the representation of these features in simulation gridblocks. This work has two purposes: present an upscaling work flow to integrate highly laminated or interbedded reservoirs with thin, highly permeable layers in reservoir simulations through a combination of an explicit modeling of super-k layers using the Parsons (1966) formula and dual-medium flow models, and compare this method with two conventional upscaling approaches that are available in commercial software.

We use the benchmark model UNISIM-II-R (Correia et al. 2015a), a fine single-porosity grid dependent on field information from the Brazilian presalt and Ghawar oil fields, as the reference solution to compare the upscaling matching between the three methods. We compare oil recovery factor (ORF), water cut (WC), average reservoir pressure (RP), water front, and the time consumption for simulation. Our proposed Parson's dual-medium (PDP) methodology achieved better upscaling matches with the reference model and had minimal time consumption compared with the representation of super-k layers through an implicit matrix modeling by single-porosity flow models (IMP) and through the explicit representation of super-k zones in the fracture system of dual-medium flow models (DFNDP).
Teknik Penyederhanaan untuk Menyederhanakan Teknik Resolusi
Authors: Dwijono Djoni
Published: March 2018

Teknik Resolusi sebenarnya tidak mudah dikerjakan karena teknik ini memiliki beberapa langkah-langkah yang cukup rumit dikerjakan, antara lain menjalankan strategi perlawanan, membuat bentuk normal konjungtif, lalu melakukan resolve antar klausa yang memiliki literal berpasangan secara terus menerus dengan bentuk pohon resolusi sampai diperoleh hasil terakhir berupa simbol falsum yang berarti terjadi kontradiksi, dan dari hasil berupa falsum ini dibuktikan  validitas argumen tersebut. Ekspresi logika berbentuk bentuk normal konjungtif yang panjang dan masih rumit, dapat disederhanakan dengan teknik penyederhanaan menjadi bentuk normal konjungtif yang paling sederhana dan memudahkan proses resolve antar klausa, sehingga pembuatan pohon resolusi menjadi sangat pendek, mudah dan sederhana.
Pembuatan Aplikasi Dokumentasi Jaringan
Authors: G.S Albert Briliakta , Haryono Nugroho Agus , Purwadi Joko
Published: March 2018

Company networks are continually expanding to meet the needs of the company. Therefore the company must add or even change the structure of the network or network topology. In this case a network administrator must also change the network documentation ​​in accordance with the development, The documentation contains information from every device on the network. Topology changes can be difficult for network administrators in managing the network if it does not have good documentation. The application built by the author proved helpful in making the network documentation. It provide and assist network administrators in making the topology and document in the printed form that can be used as documentation of the network by the company. So it can help network administrators manage and maximize the network. Kata kunci : Network Documentation.
A Study on Pitch Recognition for Trumpet
Authors: Montenegro Chuchi S. , Alcaide Al Crimson D. , Cabrera Airus Lee T. , Selda Ian Joseph Timothy A.
Published: March 2018

Pitch recognition is the ability to identify a pitch from a sound. This research focuses on recognizing the pitch of a trumpet much like the ability of a skilled human being capable of recognizing an exact pitch or note.  A software application using Java language is developed in order to explore on how to extract a pitch of a sounding trumpet and able to recognize the pitch played. Two experiments have been carried out in this study, one was to find out trumpet recognition rate as performed by novice and experienced players; and second, it was tested if it can and only can recognized pitch aside from other musical instruments. The first experiment generates a pitch recognition rate of 78%, while the second generates pitch recognition rate of only 13%.
PERANCANGAN SISTEM TRANSAKSI ONLINE PADA E-COMMERCE MENGGUNAKAN TEKNOLOGI WEB SERVICE (STUDI KASUS DESA MLATIHARJO KABUPATEN DEMAK)
Authors: Setiawan Rendra Bagus , Latuperissa Rudy , Suprihadi Suprihadi
Published: March 2018

Economy development policy in Indonesia focuses on increasing local or regional economy, especially the real sector including trade sector. One of the problems today is how to improve and strengthen the region potential, for example cooperatives, SMEs and cluster in using information technology such as e-Commerce. Therefore, this research designs online transaction system on e-Commerce using web service technology. The case study used in the process of design is  Mlatiharjo village in Demak because it has the predicate of innovative village of agriculture. This system is developed using prototyping method and implemented using PHP 5 technology, MySQL database and supported by web service SOAP technology. Thus, online transaction system in the e-Commerce is able to manage and control authority for the village potential. By facilitating this village with the developed system, every people in the village could contribute to the commerce transaction of their products.
PERANCANGAN SISTEM INFORMASI GEOGRAFIS SEBARAN TANAMAN PANGAN BERBASIS SPASIAL DAN MULTI TIER MENGGUNAKAN MAP SERVER
Authors: Hartomo Kristoko Dwi , Tanaamah Andeka Rocky , Krisatyo Gogo
Published: March 2018

The province of Central Java is one of the important national crop producers, therefore its productivity of rice and other crops are always at the highest priority (Central Java in Numbers, 2009). To achieve this, all efforts must be arranged systematically and correctly, and one of the efforts is making an accurate inventory of crop fields and production centres which distributed across the province, to provide a good mapping of produce. The research designs a system which capable to create spatially based crops distribution maps, which in turn helps the planning, operation, monitoring, and evaluation of crop production by departments in charge. The mapping is presented using the multi-tier architecture. The distribution map will include crops produce capacity for each year over the whole province. Implementation results are the system performs successfully, and the process time is reasonable, therefore it is applicable.
Performance and Scalability Analysis of Node.js and PHP/Nginx Web Application
Authors: D. Yoseph Pandji , Raharjo Willy Sudiarto
Published: March 2018

Node.js is an application framework that can be used to build network server and web application. Due to its maturity, Node.js should be tested in various aspects such as performance and scalability to build dynamic web application. For comparison, we use PHP/Nginx web development stack to build web application to compare and analyze Node.js web application performance and scalability. For research purpose, we build dummy applications based on Dijkstra Algorithm to calculate shortest path between nodes, in this case Trans Jogja shelters. Using load generator, we simulate concurrent user requests to test performance and scalability of Node.js and PHP/Nginx web application. The general results of this research showed that Node.js application had higher performance and scalability than PHP/Nginx application.
IMPLEMENTASI ALGORITMA PRIM SEBAGAI CREATOR JALUR PERMAINAN MAZE
Authors: Hutama Devian Ricko , Santosa R. Gunawan , Karel Junius
Published: March 2018

In this modern era, computer provides more than mere a computing machine. Game is one of the advancements made, and maze is among the popular computer games. While maze is having a simple goal to exit, creating the maze itself is a challenging matter: creating a single winding and confusing path which connects one entry and one exit. This research implements the Prim Algorithm as a maze generator. User will required to enter certain size of the maze, and the system will automatically create the grids, randoming the entry and exit, and providing the necessary weight data for the grid. The Prim Algorithm will then process the weight data, rendering a maze path. This will provide a variation of maze for each game play. Results of the research shown that maze complexity is not affected by the randoming algorithm used to distribute the grid weights, but dependent to the maze size. Another result is that the number of  path walls deconstructed in an already- formed maze in order to make the correct path is carried on a certain pattern (N x N) - 1, dependent to the size of the maze (N x N).
IMPLEMENTASI ALGORITMA NEGASCOUT PADA PERMAINAN ANIMAL CHESS
Authors: S. Sebastian Vincent , Purwadi Joko , Haryono Nugroho Agus
Published: March 2018

Aplikasi permainan berbasis ponsel semakin beragam. Catur hewan merupakan permainan yang memanfaatkan logika kecerdasan buatan. Permainan ini mengandalkan kemampuan berpikir secara logis sehingga diperlukan algoritma yang memanfaatkan teknik pencarian untuk memainkan permainan ini. Dalam penelitian ini, peneliti akan mengimplementasikan algoritma NegaScout. Algoritma NegaScout dapat memotong node–node yang tidak perlu, sehingga proses perhitungan dan pencarian node terbaik bisa dilakukan dengan cepat. Peneliti juga membandingkan dengan algoritma Minimax dan algoritma Alpha-Beta dalam hal jumlah node yang dihasilkan dan lamanya waktu yang dibutuhkan. Melalui penelitian ini, disimpulkan bahwa agen komputer cerdas dengan menggunakan algoritma NegaScout membutuhkan waktu yang lebih cepat dan memotong node lebih banyak daripada algoritma Minimax dan Alpha-beta dalam mencari dan menemukan langkah terbaik dalam permainan Animal Chess.
PERANCANGAN PROTOTYPE VIRTUAL MUSEUM KERATON KASUNANAN SURAKARTA HADININGRAT BERBASIS WEB
Authors: Worang Stefanie G.N.L. , Wenas Michael Bezaleel , Prasida T. Arie Setiawan , Tanaamah Andeka Rocky
Published: March 2018

Museum of Keraton Kasunanan Surakarta Hadiningrat is a museum located in Solo that saves a lot of cultural heritage objects of Java. But the limitation of time, cost, and location cause not everyone can see directly the objects, so the access to that objects are limited. Prototype Virtual Museum Keraton Kasunanan Surakarta Hadiningrat which utilize Web-based 3D Web Technology is expected to increase public accessibility to the historical objects as well as instructional media and the delivery of information interesting and interactive in order to preserve the cultural heritage and the development of Java.
TEXT UNDERSTANDING BASED ON SEMANTIC RELATIONS BETWEEN SENTENCES
Authors: Kong Hyeok
Published: March 2018

In this paper, we define event expression over sentences of natural language and semantic relations between events. Based on this definition, we formally consider text understanding process having events as basic unit.
PROGRAM VIDEO CALL BERBASIS PEER TO PEER MENGGUNAKAN PROTOKOL RTMFP
Authors: Gunawan Nathaniel , Indriyanta Gani , Raharjo Willy Sudiarto
Published: March 2018

The rapid development of information technology-based communication to encourage the development of video conferencing applications to a variety of media platforms. One of the media that is easily accessible is a web application development based RIA (Rich Internet Application). In this study developed a flash-based video conferencing application to utilize the net class group in ActionScript 3.0 and multimedia protocols RTMFP (Real Time Media Flow Protocol). Streaming video delivery technology requires codecs to be able to transmit video and audio. To find out which one is suitable codec in the development of this application, the analysis is done where appropriate codec for video conferencing on the public network access in terms of the quality of the resulting. The conclusion of the implementation and analysis of three types of audio codecs and codec, is that the codec h.264 and h.264 base profile play a video codec that is suitable for public networks because it produces little noise when there is a lot of movement when compared to the Sorenson video codec.
IMPLEMENTASI ALGORITMA DIJSKTRA UNTUK PERINGKASAN OTOMATIS ARTIKEL ILMIAH BERBAHASA INGGRIS
Authors: Prasetyo Yanuar Budi , Virginia Gloria , Chrismanto Antonius Rachmat
Published: March 2018

This research implemented Dijkstra algorithm to summarize text documents. To run Dijkstra algorithm, we represented sentence as a vertex and the similarity between sentences as an edge, where the result of the summarization process was the shortest path of Dijkstra calculation. The summarization processes were conducted by utilizing WordNet database and without WordNet database. Our experiment showed that without WordNet the result was better than using WordNet. Using WordNet, the system could obtain 80% relevant sentences. While without WordNet, the system could obtain about 90% of relevant sentences.
PERBANDINGAN ALGORITMA SHORTEST PATH DALAM PEMROSESAN CITRA DIGITAL SEAM CARVING
Authors: Sebastian Florentinus Alvin , Santosa R. Gunawan , R. Theresia Herlina
Published: March 2018

Seam carving is a method of content aware image resizing. As solutions shortest path algorithms are used to find images seams. Seam is a horizontal or vertical path of an image that has minimum energy. There are two (2) shortest path algorithms that will be discussed in this paper. This paper contains the results of shortest path algorithms comparison between Dijkstra and Directed Acyclic Graph to see which one is better than another in case of efficiency. The precomputed and recomputed methods will be compared to find the more efficient method for executing the seam carving transformation. A web application has been built for this purpose. This web app is capable of transforming image size with seam carving method. The complexity of Dijkstra and Acyclic will be compared to find which one is better. The result is Dijkstra has been won, with the O(4V) with Acyclicis O(5V). The use of precomputed and recomputed is evaluated by the conditions. If the preparation is evaluated then recomputed is more efficient, but if the preparation is not evaluated then the precomputed method is the better one and has faster performance.
PENERAPAN ALGORITMA K-MEANS PADA KOMPRESI ADAPTIF CITRA MEDIS MRI
Authors: Wijaya I Wayan Angga , Kusumadewi Afriliana
Published: March 2018

MRI medical image processing require large amounts of memory. Due to limited bandwidth and storage capacity, the image must be compressed prior to transmission and stored. This paper has the objective to implement the algorithm k means the MRI medical image compression. Implementation begins with the Pre post. At this stage, L-dimensional vector of the image will be made. L is the block - a measure used for clustering technique, but is set back in the form of an array. Then the process of clustering. At this stage, every pixel of the image is represented by the centroid of the cluster. And the last stage is the Main Compression, the pixels that do not contain important information will be removed. The study compared the quality of the original image and compressed image. Based on manual observation, there is no significant difference in quality between the original image and the compressed one.
DESAIN MODEL BASIS DATA OBYEK PARIWISATA PROVINSI JAWA TENGAH STUDI KASUS DI KABUPATEN MAGELANG
Authors: Wasino Wasino , Beng Jap Tji , Arisandi Desi
Published: March 2018

Magelang District is implementing the tourism development program that consists of: marketing development, tourism destination development, partnership development, and tourism infrastructure development. Data about tourism in Magelang regency has not been stored correctly according to the rules of database normalization, with redudancy data storage, including the data that stored and informed online. A good information system should be supported by accurate data and stored on a database that has been normalized, so that data can be read by the system or a different program with different goals and views. Based on the analysis of data obtained in Magelang District, there are several the same ways and the same and the different way of storing and displaying information tourism objects. Normalization process conduct on the obtained data until the 3rd normal form to eliminate the partial dependencies and transitive dependencies. The result of the reseach is a database model.
Developing the human resource strategies with the approach to Strategic Reference Points (SRP) (Case Study: The Civil Deputy of the Isfahan Municipality)
Authors: Shahsiahi Mahdi , Naghsh Amirreza
Published: March 2018

Codification and implementation of human resource strategy are practiced to make a bridge between policies and human resource methods, on the one hand, and strategic goals of the organization, on the other hand. Therefore, the present research was undertaken to develop human resource strategies with an approach to strategic reference point (SRP) in Deputy of Civil Affairs of Isfahan Municipality via a hybrid (qualitative and quantitative) method. The model adopted in this research was based on the integrated model proposed by Bamberger and Meshoulam. In the qualitative part, purposive sampling was used to achieve data saturation, while census method was utilized in the quantitative part. The quantitative data was collected via a descriptive survey approach through two researcher-constructed questionnaires, while qualitative data was collected via interviews. Following the analysis of the obtained data, strategic coordinates of the jobs were determined and appropriate strategic model for each set of the jobs was identified. Research findings showed that paternal strategies are appropriate for management, technical, and specialized jobs, secondary strategies are suitable for administrative jobs, and contractor strategies well fit to servicing jobs. Finally, as components of a framework for achieving organizational goals, strategic goals, human resource strategies, and human resource subsystems (human resource supply, performance evaluation and rewards, employee relations) were developed.
Evaluation of the factors affecting water-saving attitudes of urban life on the verge of the next century: a case study of the Mediterranean region of Turkey
Authors: Akpinar M. Goksel , Gul Mevlut , Ceylan R. Figen , Gulcan Sinem
Published: March 2018

The World Food and Agriculture Organization claims the percentage of the overall world population that will suffer from water scarcity and water stress by 2025 is estimated as 34% and 15%, respectively. Accordingly, it can be estimated that 40% of the 9.4 billion estimated world population will face water shortages by 2050. In this case, the ownership and efficient use of water stand out as common concerns for all communities in the world for today and for the future. In this research, the attitudes of consumers towards water saving were identified and factors that affect these attitudes were analysed within a sample from the Mediterranean region of Turkey. The survey was conducted through a face-to-face survey with 965 households in three Turkish provinces in 2009. SPSS statistical package was used for factor analysis to determine the affecting factors. Variables affecting water-saving decisions were reduced to seven factors via 0.792 KMO value. These seven factors explained 62.18% of the total variation in water-saving consciousness of the target group. Accordingly, it was understood that marketing policies should focus on water crisis awareness, environmental awareness, anxiety about water shortage, residential area characteristics, water pricing, the current awareness level and social willingness on reduction of water use to cope with possible problems.
Mercury (II) adsorption from aqueous solution using nitrogen and sulfur co-doped activated carbon
Authors: Qin Hangdao , Xiao Rong , Guo Lei , Meng Jianling , Chen Jing
Published: March 2018

Activated carbon (AC) was modified with urea, thioglycolic acid and thiourea to obtain nitrogen doped activated carbon (ACN), sulfur doped activated carbon (ACS) and nitrogen and sulfur co-doped activated carbon (ACNS), respectively. The AC samples were characterized by elemental analysis, N2 adsorption-desorption, determination of the pH of the point of zero charge (pHpzc) and X-ray photoelectron spectroscopy, and tested for adsorption behaviors of Hg(II) ions. The experimental data of equilibrium isotherms fitted well with the Langmuir model. ACNS showed the highest adsorption capacity of 511.78 mg/g, increasing more than 2.5 times compared to the original ACA. The adsorption process followed pseudo-second-order kinetics. The thermodynamic parameters of ΔH°, ΔS°, and ΔG° at 30 °C were −20.57 kJ/mol, −0.032 kJ/mol K and −10.87 kJ/mol, respectively. It was concluded that the Hg(II) ions' adsorption on ACNS was exothermic, spontaneous and physiosorptive in nature. Finally, the adsorption capacity of ACNS reduced by just 8.13% even after the sixth cycle compared to the initial cycle.
The Approach to the Patient With Chronic Dyspnea of Unclear Etiology
Authors: Bostwick Doran , Hatton Nathan D. , Mayeux Jennalyn D. , Sheets Courtney L. , Michaelis Erin S. , Ryan John J.
Published: March 2018

Dyspnea is defined by the American Thoracic Society as a “subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity.”1 It is a common nonspecific symptom in patients presenting to both primary care and subspecialty medical providers. Dyspnea can be the presenting complaint for a large variety of disease processes and as a result, patients see several specialists for upwards of 2 years prior to formal diagnoses (Table 1).2–4 For example, nearly 90% of people with pulmonary arterial hypertension (PAH) present with dyspnea on exertion,5 but distinguishing between dyspnea caused by PAH from dyspnea caused by other cardiac or pulmonary disease—or a whole host of other conditions—is challenging. In this review, we will discuss the diagnostic approach to patients presenting with chronic dyspnea of inexact etiology.
Risk Assessment in Pulmonary Arterial Hypertension Patients: The Long and Short of it
Authors: Benza Raymond L. , Lohmueller Lisa Carey , Kraisangka Jidapa , Kanwar Manreet
Published: March 2018

Pulmonary arterial hypertension (PAH) is a chronic and rapidly progressive disease that is characterized by extensive narrowing of the pulmonary vasculature, leading to increases in pulmonary vascular resistance, subsequent right ventricular dysfunction, and eventual death. There are currently multiple approved drugs—developed as single or combination therapies in the last few years—that have improved outcome and functionality in PAH. However, despite improvement in short-term survival with these new effective therapies, PAH remains an incurable disease with a median survival of 7 years (Figure 1).1 This chronic disease state may be characterized by morbid events such as hospitalizations that herald rapid disease progression and account for a significant disease burden (Figure 2).23 Physician ability to predict PAH disease progression is critical for determining optimal care of patients. Accurate risk assessment allows clinicians to determine the patient's prognosis, identify treatment goals, and monitor disease progression and the patient's response to treatment. Risk assessment for PAH patients should include a range of clinical, hemodynamic, and exercise parameters, performed in a serial fashion over the treatment course. Patient risk stratification can also help physicians better allocate treatment resources in settings where they are scarce. If widely adopted, risk prediction can enhance the consistency of treatment approaches across PAH practitioners and improve the timeliness of referral for lung transplantation. Hence, along with advancing PAH treatment options, comprehensive risk prediction is essential to make individualized treatment decisions in the current treatment era.

Several tools are currently available for assessing risk in PAH (Figure 3). These include the 2015 European Society of Cardiology/European Respiratory Society pulmonary hypertension guidelines' risk variables,4 the French registry equation,5 the National Institutes of Health risk equation,6 or a risk score such as the one derived from the Registry to Evaluate Early And Long-term PAH Disease Management.1 These registries and evaluations of clinical trial sets have provided important insights into the importance of both modifiable (eg, 6-minute walk distance, functional class, brain natriuretic peptide, and nonmodifiable (eg, age, gender, PAH etiology) risk factors that predict survival. The following review explores commonly cited risk factors, both modifiable and nonmodifiable, and their implications for patient outcomes.
Total Phenolic Content and In vitro Antioxidant Activity of Endophytic Fungi Isolated from Calotropis procera L.
Authors: Rani Reena , Sharma Dushyant , Chaturvedi Monika , Yadav Jaya Parkash
Published: March 2018

Background:

Endophytic fungi are microorganisms that colonize inside the plant tissues
without causing any disease symptoms. Endophytic fungi isolated from medicinal plants have emerged
as an interesting source for the isolation of bioactive compounds. In this study, we selected Calotropis
procera, a member of the Asclepiadaceae family commonly called ‘Aak’ to evaluate the antioxidant
potential of isolated endophytic fungi.

Objective: The aim of this study was to assess the total phenolic content (TPC), antioxidant capacity by
using different assay and phytochemical screening of endophytic fungi isolated from Calotropis procera
(leaves, stem and root).

Method: Crude ethyl acetate extracts of 20 different endophytic fungi isolated from Calotropis procera
were tested for their preliminary phytoconstituents presence, TPC estimation (by Folin–Ciocalteu colorimetric
assay) and antioxidant potential [1, 1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging
assay, hydrogen peroxide (H2O2) free radical scavenging assay, β-carotene-linoleic free radical
scavenging assay, metal chelating assay and xanthine oxidase inhibitory assay].

Results:

Phenols, carbohydrates, saponins, tannins, alkaloids and flavanoids were the main phytoconstituents
present in the endophytic fungi. Among the endophytes, Aspergillus nomius showed the highest
TPC [72.71±1.67 µg GAE (gallic acid equivalent) /mg dry weight of fungi] and antioxidant activity
for DPPH free radical scavenging assay (68.86±0.19%). A high positive linear correlation was found
between TPC and xanthine oxidase inhibitory assay (R2-0.890) and between TPC and DPPH free radical
scavenging assay (R2-0.839). Aspergillus and Fusarium genus species showed significant antioxidant
activity by the different assay.

Conclusion:

The present study revealed some endophytic fungi from Calotropis procera could be a
potential source of novel natural antioxidant compounds.
Simultaneous Determination of Epinephrine and Tyrosine Using a Glassy Carbon Electrode Amplified with ZnO-Pt/CNTs Nanocomposite
Authors: Samadzadeh Ali , Sheikhshoaie Iran , Karimi-Maleh Hassan
Published: March 2018

Background:

Simultaneous analysis of epinephrine and tyrosine as two effective and important biological compounds in human blood and urine samples are very important for the investigation of human health.

Objective:

In this research, a highly effective voltammetric sensor fabricated for simultaneous analysis of epinephrine and tyrosine. The sensor was fabricated by the modification of glassy carbon electrode with ZnO-Pt/CNTs nanocomposite (ZnO-Pt/CNTs/GCE). The synthesized nanocomposite was characterized by SEM method. The ZnO-Pt/CNTs/GCE showed two separated oxidation signals at potential ~220 mV and 700 mV for epinephrine and tyrosine, respectively. Also, we detected linear dynamic ranges 0.5-250.0 µM and 1.0-220 µM with a limit of detections 0.1 µM and 0.5 µM for the determination of epinephrine and tyrosine, respectively. The ZnO-Pt/CNTs/GCE was used for the determination of epinephrine and tyrosine in blood serum and human urine samples.
Current Therapy and Computational Drug Designing Approaches for Neurodegenerative Diseases -with Focus on Alzheimer’s and Parkinson’s.
Authors: Bera Indrani
Published: March 2018

Background:

Neurodegenerative diseases are age-related ailments which are characterized
by progressive neuronal damage and loss. These diseases can be caused by both genetic and
environmental factors. Alzheimer’s and Parkinson’s are the most predominant neurodegenerative
diseases. Though various research strategies have been employed to eliminate the cause of the disease,
till date successful strategies available are symptomatic. Various compounds have been designed
against the targets, such as BACE1, acetylcholinesterase, glycogen synthase kinase, muscarinic
acetylcholine receptor etc.

Methods:

This review consists of information gathered from various research articles and review
papers in the concerned field. An attempt was made to identify important findings from these papers.
Important in silico techniques used in the identification of drug candidates and newly designed
compounds as therapeutics for neurodegenerative diseases were summarized.

Results:

Sixty papers were included in this review. A comprehensive overview of computer aided
drug designing techniques used aimed at the identification of new drug candidates is provided.
Ligand based drug design approaches such as QSAR, virtual screening and pharmacophore have
been described. Current therapies used against Alzheimer’s and Parkinson’s have summarized.
New compounds against the targets of for Alzheimer’s and Parkinson’s identified by computational
screening of compounds have been summarized.

Conclusion:

The findings of this review confirm that therapies and current successful strategies
for neurodegenerative disease are mainly symptomatic. Current research is mainly focused on preventing
the progress of neurodegeneration. Various in silico techniques; ligand-based methods
such as QSAR, virtual screening, pharmacophore mapping and structure-based methods such as
homology modeling, docking studies have been used to identify therapeutic compounds for Alzheimer’s
and Parkinson’s.
Metal Membrane Patents
Authors: Zouboulis A.I. , Psaltou S.G.
Published: March 2018

Background: Metal membranes present an alternative approach to conventional membrane materials (polymeric, ceramic), applied mainly for gas separation applications. The major mechanism for the gas permeation though them is called “solution-diffusion” and differs from the respective through the common polymeric membrane materials, hence presenting higher selectivity.

Objective: The aim of this article is to provide a general overview of the respective major patents, dealing with metal membranes, especially with those recently published, as well as the alternative ways for manufacturing them, the materials that can be used and the relevant applications. The main focus is given in the composite metal membranes aspects (sulfur resistant etc.), prepared from metal alloys, although there is also a section describing the metal-organic framework membranes. For this purpose, we revised all patents relating to metal membranes, as well metal organic frameworks.

Conclusion: The most patents include inventions about composite metal membranes and methods for manufacture them. Metal membranes are fabricated mainly from alloys containing palladium. Gold is used only to make sulfur resistant membranes. For multilayer membranes the deposition can be occurred via surface activation but usually no chemical activation applied. The most common application for metal membranes is hydrogen separation. On the other hand Metal Organic Frameworks (MOFs) are used as CO2 separators.
Accuracy of a Self-monitoring Test for Identification and Monitoring of Age-related Macular Degeneration: A Diagnostic Case-control Study
Authors: Schmid Martin K. , Faes Livia , Bachmann Lucas M. , Thiel Michael A.
Published: March 2018

Objective:

To evaluate diagnostic accuracy of a new self-monitoring device using a Vernier hyperacuity alignment task.

Method:

A total of 11 wet Age-Related Macular Degeneration (AMD) patients and 9 controls contributing 37 eyes were consecutively enrolled into this prospective diagnostic case-control study at the retina centre of the Cantonal Hospital Lucerne, Switzerland. Vernier acuity testing (index test) and Optical Coherence Tomography (OCT, reference test) were performed in all participants. OCT scans were evaluated and graded by a retinal specialist masked to diagnosis and index test results. Candidate parameters of the index test to be used as the diagnostic statistic were identified using a bootstrap procedure. Ten parameters remaining were further assessed in univariate analyses. The overall Standard Deviation (SD) of absolute distances across all four axes of the Vernier acuity test provided the highest area under the Receiver Operating Characteristics (ROC) curve and was therefore selected.

Results:

Mean age of patients with wet AMD was 81.2 years (SD 4.99), mean numbers of letters were 67.4 (SD 14.1). The proportion of women was similar in both groups (controls: 88%, wet AMD: 72%). The area under the ROC curve was 0.87 (95% confidence interval CI: 0.75- 0.99) indicating excellent discrimination. Best accuracy was reached at a cut-off value of 0.64 with a sensitivity of 75% and a specificity of 94%.

Conclusion:

This diagnostic case-control study of a new screening device for AMD shows acceptable diagnostic accuracy. The promising preliminary data of this study call for further upstream evaluations in reasonably sized clinical studies.
Design and Construction of A Domestic Solar Power Bank in a Convective Environment
Authors: Emetere M. E. , Osunlola O.I. , Adejumo A.D. , Dauda A.O.
Published: March 2018

Objective:

This research seeks to solve the problem of storing solar energy in small scale modules for domestic use.

Method:

The Solar Power Bank (SPB) was constructed with local materials based on their individual properties. The functionality of the SPB was tested in a convective environment. Davis automatic Weather Station (DWS) was used to get the weather parameters (like solar irradiance, solar energy and temperature) for each day the SPB was tested. The maximum solar irradiance for four days (during the experiment) were 220 W/m2, 208 W/m2, 450 W/m2and 900 W/m2. The maximum solar energy was 0.33 J, 03 J, 0.64 J and 1.33 J.

Result:

The maximum voltage and power obtained from the Solar Power Bank (SPB) was 0.18V and 0.065W respectively. The design showed tremendous heat energy entrapment during solar irradiance peak as the temperature in the SPB was about three times the DWS.

Conclusion:

It was specifically noted that the convection of the heat transfer that is triggered by the glass shield determines the functionality of the thermo-electric module. This is a clear indication that though the power output may be low to charge the batteries, the prospects of the SPB to operate in convective-rural communities (in tropic region) is very high.
História da educação e políticas educacionais entre saberes, conhecimentos e circulação internacional de discursos
Authors: Quadros Claudemir
Published: March 2018

Este texto se caracteriza, sobretudo, como um exercício pelo qual se tentou perceber algumas relações entre duas áreas relevantes no âmbito da educação: história da educação e políticas educacionais. Para tanto, foram escolhidos quatro artigos publicados na revista História da Educação entre 2013 e 2015, selecionados a partir do critério de inserção internacional dos seus proponentes e porque potencializam perceber a perspectiva de circulação internacional de discursos no âmbito da formulação de políticas educacionais. Por esses textos procura-se demonstrar como aquilo que estamos acostumados a dizer é resultado de uma ampla rede de relações cuja autoria não é necessariamente nacional ou, em outros termos, que aquilo que conseguimos pensar acerca das políticas educacionais é circunscrito pelos discursos que circulam internacionalmente. Assim, o texto é atravessado por uma ideia geral: a circulação de discursos que, de um modo ou de outro, tem o potencial de estruturar, fixar, delimitar, circunscrever aquilo que pode ser considerado correto e verdadeiro. O esforço foi no sentido de perceber que ideias criadas, pensadas, fundamentadas pela pesquisa, pela ciência, propostas por intelectuais, lograram visibilidade e, além de contribuir para a estruturação de todo um campo de ação denominado políticas educacionais, têm o potencial de demonstrar que a formação dos sistemas escolares nacionais emergiu a partir de um amplo leque de relações internacionais.
Ativismo político e juventude: catracas na escola e na cidade para os jovens mais jovens
Authors: Leite Miriam
Published: March 2018

Os movimentos de ocupação urbana ocorridos em diversas partes do mundo desde o início desta década foram, com frequência, associados à juventude. No entanto, o termo juventude é reconhecidamente pouco preciso quanto à idade que refere: estariam aqueles que frequentam os anos finais do ensino fundamental incluídos nesse reconhecimento de agência política? No contexto da greve docente da rede pública municipal de ensino do Rio de Janeiro, em 2013, realizamos entrevistas com professoras que participaram desse movimento, considerando que suas narrativas poderiam trazer notícias desse reconhecimento (ou não reconhecimento). Em diálogo com teorizações de Jacques Derrida, Judith Butler e Leonor Arfuch, discutimos sobre os textos produzidos nesses encontros, a partir das noções de performatividade, iteração, interpelação e entrevista narrativa. Assinalamos, nessa leitura, além da já suposta potência da interpelação docente, a força da própria cidade no favorecimento ou obstaculização da agência política desses jovens mais jovens.
A convivência na escola e o bullying entre estudantes nos ensinos fundamental II e médio
Authors: Dias Carmen Lúcia , Colombo Terezinha Ferreira da Silva , Morais Alessandra de
Published: March 2018

Este artigo teve como objetivo analisar as percepções de estudantes de uma escola particular de Educação Básica sobre o maltrato entre iguais, no que se refere à sua incidência e características, e oferecer dados prévios de diagnóstico para que possam ser planejados programas de intervenção voltados para a prevenção e erradicação do bullying no ambiente educativo. Participaram da pesquisa 508 estudantes, 309 do Ensino Fundamental II e 199 do Ensino Médio, os quais responderam a um questionário que avalia o tipo de bullying presente na comunidade educativa. Os resultados sinalizam que há indícios de situações de maus-tratos na escola pesquisada, sendo considerável o número daqueles que passam por esse tipo de situação seja como alvo, agente ou telespectador. Sobre a quem pedem ajuda quando se sentem vitimizados, observa-se que recorrem mais à família e aos colegas, vários não falam nada a ninguém e por último pedem ajuda aos professores, apesar de os indicarem como aqueles queprincipalmente deveriam fazer algo para solucionar esse problema. A escola precisa reconhecer a existência do fenômeno para que esteja consciente de seus prejuízos para a personalidade e desenvolvimento socioeducacional dos estudantes. Também é necessário instrumentalizar seus profissionais para observação, identificação, diagnóstico, intervenção e encaminhamentos assertivos.
A computational linguistic measure of affect modulation in the menstrual cycle (Preprint)
Authors: Carrillo Facundo , Gallino Lucila , Cecchi Guillermo , Fernandez Slezak Diego
Published: March 2018

BACKGROUND

The Menstrual cycle affects many aspects of female physiology, from the immune system to behavioral and emotional regulation. It is unclear however if these physiological changes are reflected in everyday, naturalistic language production, and moreover whether these putative effects can be consistently quantified.

OBJECTIVE

Using a novel approach based on social networks data, we characterize linguistic expression differences in men and women participants consistent with the expected influence of the menstrual cycle on affect intensity.

METHODS

We use a simple algorithm to quantify the affect intensity of 418 (184 females and 234 males) subjects using their social networks production.

RESULTS

We find a 7-day modulatory cycle of affect intensity that corresponds to labor-week fluctuations, with no significant difference by gender, and a 28-day cycle over which females are significantly stronger in females, consistent with the expected effect of the menstrual cycle on affect.

CONCLUSIONS

Our result supports the hypothesis that language reflects affect modulation during the menstrual cycle.