bluuebunny/crossref_metadata_2025 huggingface dataset:
STUDI PERBANDINGAN KONSENTRASI KLOROFIL-A DI SEMENANJUNG BLAMBANGAN KABUPATEN BANYUWANGI MENGGUNAKAN DATA CITRA SATELIT AQUA MODIS
Authors: Zainab Siti , Wibisana Hendrata , Casita Cintantya Budi
Published: June 2019

Pemetaan kandungan klorofil-a di pesisir pantai banyak dilakukan dengan tujuan untuk mendapatkan gambaran tingkat kesuburan dari lingkungan perairan yang dimaksud. Tingkat kesuburan yang diharapkan dapat memberikan gambaran populasi dari perikanan tangkap yang dibutuhkan oleh masyarakat pesisir dalam meningkatkan kesejahteraan hidupnya. Penginderaan jauh sebagai salah satu teknologi yang baru telah memberikan banyak manfaat untuk pendeteksian dan pemetaan konsentrasi klorofil-a skala global. Tujuan dari penelitian ini untuk mendapatkan gambaran kandungan klorofil-a pada dua area yang berbeda yaitu di daerah Semenanjung Blambangan dan daerah Teluk Blambangan. Metode yang dikembangkan dari penelitian ini adalah penggunaan algoritma penginderaan jauh dan teknik regresi guna mendapatkan model matematis yang optimal untuk digunakan dalam peramalan kandungan klorofil-a di masa yang akan datang. Dari penelitian ini diperoleh model matematis yang paling sesuai untuk kondisi Teluk Blambangan yaitu pada panjang gelombang sinar hijau dengan nilai 531 nanometer (nm), di mana korelasi yang terbesar adalah Chlor-a = 21228*(Rrs_531)-42,371 dengan nilai R2 sebesar 0,7951 yang didapatkan dari panjang gelombang sinar hijau yaitu Rrs_531 dari citra satelit Aqua Modis Level-2. Fenomena ini dapat disimpulkan bahwa kandungan klorofil-a di semenanjung Blambangan pada bulan Agustus 2017 cukup signifikan di mana diperoleh rata-rata konsentrasi dari klorofil-a sebesar 18,45 ppt(mg/ m³) sehingga dapat diprediksikan bahwa populasi ikan yang ada di perairan tersebut juga meningkat pada bulan tersebut. Hasil akhir yang didapatkan berupa peta tematis kandungan klorofil-a untuk algoritma model linier, di samping itu persamaan matematis yang dihasilkan diharapkan dapat digunakan oleh para peneliti lainnya untuk mendapatkan model yang lebih akurat yang dapat menggambarkan kondisi riil di lapangan.

 
A docência como experiência ética: aproximações entre os estudos foucaultianos e a prática docente
Authors: Favacho Andre Marcio Picanço
Published: June 2019

Este artigo busca pensar a experiência docente contemporânea à luz dos aportes teórico-metodológicos foucaultianos da ética. Pretende discutir, a partir de projetos de docentes brasileiros submetidos a uma premiação nacional, os enunciados éticos que esses sujeitos foram capazes de produzir tanto como manifestação de ética quanto de política. Para isso, discute as noções de ética e de experiência na obra de Michel Foucault; em seguida caracteriza os aspectos mais relevantes da pesquisa realizada sobre os projetos de professores premiados nacionalmente; por fim, ensaia uma possível atividade ética dos professores. A conclusão não poderia ser outra: numa perspectiva ética, os professores experimentam, por si mesmos - em relação aos outros, obviamente -, a construção de sentidos para uma docência atual - passível de críticas, certamente, mas devidamente situada -, capaz de produzir clivagens, acordos, divisas e modos de existir no interior mesmo de uma docência específica, ou seja, global, local, humanista e de resolução de problemas sociais.
Que rostos da escola emergem quando em frente ao espelho
Authors: Vicentin Marcelo
Published: June 2019

Este trabalho apresenta o conceito de heterotopia arquitetado por Michel Foucault, entre 1966 e 1967, na problematização das relações de saber na emergência de discursos e relações de poder no plano dos espaços. Para tanto, primeiramente, apresenta a construção do termo heterotopia pelo autor em contra oposição à utopia. Na sequência, com o aporte do conceito de “rosto”, proposto por Giorgio Agamben, manifesta-se a heterotopia como operador conceitual, ferramenta que se constitui a partir da prática, inserindo-se na ordem do saber, da verdade, do discurso, dos espaços, contestando os jogos de poder escolares por meio de rostos assimétricos e dissonantes, com efeitos sobre a escola, seu saber; sobre nós mesmos.
ANALISA PRESSURE BUILD UP DAN DELIVERABILITY SEBAGAI EVALUASI PARTIAL PENETRATION SUMUR X-15
Authors: Arumdanie Yustitia Rizki , Ridaliani Onnie , Halim Andry
Published: June 2019

Analisa pressure build up dan deliverability pada sumur X-15 ini dilakukan untuk mengetahui beberapa parameter reservoir dan mengetahui perkiraan produksi sumur. Interpretasi pressure build up dilakukan sebelum dan sesudah reperforasi untuk mengevaluasi kerusakan yang terjadi pada sumur X-15 yang dilakukan melalui software ecrin dan manual. Pada pressure build up pertama ditemui problem partial penetration dilihat dari hasil well model pada software ecrin, kemudian dilakukan reperforasi untuk mengatasi masalah tersebut.Pada saat dilakukan pressure build up test kedua diperoleh hasil yang menunjukkan bahwa kegiatan reperforasi ini berhasil, dilihat dari nilai skin yang menurun dari 8,755 menjadi -2,513. Dilakukan juga analisa deliverability untuk menentukan perkiraan produksi maksimum pada sumur X-15 ini.
ANALISIS PENGARUH IMPLEMENTASI E-PROCUREMENT DAN KOMPETENSI PEGAWAI TERHADAP KINERJA PENGADAAN
Authors: Aryati Titik , Pangaribuan Leviadi
Published: June 2019

Tujuan penelitian ini adalah untuk menganalisis pengaruh Implementasi E-Procurement dan Kompetensi Pegawai Terhadap Kinerja Pengadaan Barang dan Jasa di Lingkungan Kementerian Keuangan. Hasil penelitian menunjukkan bahwa Implementasi E-Procurement dan Kompetensi Pegawai terbukti meningkatkan Kinerja Pengadaan Barang dan Jasa di Lingkungan Kementerian Keuangan.
PERSEPSI PEJALAN KAKI DENGAN KEBERADAAN PEDESTRIAN DI PATH STUDI KASUS: KAWASAN PASAR MINGGU, JAKARTA
Authors: Budiarto Asri , Nurhikmah Nurhikmah , Purnomo Agus Budi
Published: June 2019

Manusia di dalam ruang kota melakukan pergerakan dan bersirkulasi dari satu ruang kota ke ruang kota lainnya. Manusia menggunakan jalan atau path bergerak menuju tempat tujuannya. Elemen Paths atau jalur jalan adalah salah satu elemen pembentuk kota sebagai jalur sirkulasi manusia dari sebuah ruang kota ke ruang kota lain. Hubungan antar ruang kota dalam konfigurasi spasial bisa dipetakan dalam peta yang menandakan hubungan masing-masing ruang kota tersebut. Penelitian dalam kawasan Pasar Minggu ini dilakukan dengan tujuan mengetahui apakah jumlah pedestrian mempengaruhi persepsi manusia kepada path. Data penelitian ini dikumpulkan dengan cara observasi dan wawancara singkat kepada pengguna path di kawasan Pasar Minggu. Dalam penelitian ini dihipotesa bahwa di kawasan Pasar Minggu keberadaan pejalan kaki diamati pada path berkorelasi dengan persepsi manusia terhadap ruang tersebut.
PRINSIP MENGENAL NASABAH (KNOW YOUR CUSTOMER PRINCIPLE) OLEH PENYEDIA JASA KEUANGAN DI BIDANG PASAR MODAL
Authors: Yulia Alis
Published: June 2019

Prinsip mengenal nasabah merupakan prinsip yang diterapkan bank untuk mengetahui Identitas Nasabah, memantau kegiatan transaksi nasabah termasuk pelaporan transaksi yang mencurigakan. Semua bank sebaiknya menciptakan prosedur yang efektif dalam memperoleh identitas yang benar atas nasabah baru, begitu pula dengan kegiatan di pasar modal juga sebaiknya membuat prosedur yang lebih ketat terhadap calon nasabah dalam proses jual beli saham dan Bapepam sebagai lembaga pengawas dalam pasar modal berhak memiliki kewenangan untuk mengetahui emiten juga investor yang melakukan transaksi jual beli efek. Pialang atau broker dan juga pedagang eek wajib untuk menjamin bahwa kegiatan bisnis mereka laksanakan disarankan harus mempunyai itikad baik dengan etika yang tinggi sehingga semua peraturan Perundang-undangan dapat dilaksanakan dengan baik.
Acidentes com motocicletas na Bahia: análise de uma década de internações hospitalares
Authors: Faleiro Thiago Batista , Ladeia Augusto Morgan Alves , Júnior Antônio Manuel Pinto , Schulz Renata da Silva , Rosário Davi Araújo Veiga , Franco Bruno Adelmo Ferreira Mendes , Meirelles Alexandre Vasconcelos de , Daltro Gildásio , Spínola Ademario Galvão
Published: June 2019

Objetivo: Analisar as internações por acidentes com motocicletas no sistema público de saúde da Bahia no período entre 2008 e 2017. Métodos: Estudo transversal, descritivo e retrospectivo das internações por acidentes com motocicletas na rede pública de saúde da Bahia. Os dados foram obtidos do Sistema de Informações Hospitalares do SUS (SIH/SUS) do Ministério da Saúde. Resultados: Entre os anos de 2008 e 2017 foram realizadas 45714 internações decorrentes do grupo de causas do CID-10 V20-V29 (motociclista traumatizado em acidente de transporte). O tempo médio de internação foi de 31,12 dias e o custo total foi de aproximadamente 207 milhões e 798 mil reais.  A faixa etária mais acometida foi a de 20 a 39 anos de idade representando 58,53% do total e o sexo masculino representou 85,12% das vítimas. A taxa de mortalidade foi em média de 9,54% refletindo a gravidade dos acidentes. Conclusão: O estudo mostra a gravidade dos acidentes de motocicletas atendidos no Sistema Único de Saúde na Bahia comprometendo principalmente homens jovens, em idade produtiva e com alto custo e taxa de mortalidade. Esses dados reforçam a necessidade de medidas institucionais para redução do número de acidentes e novos estudos são importantes para determinar as sequelas que eventualmente acometem os sobreviventes.
Análise da seletividade alimentar de pessoas com Transtorno do Espectro Autista
Authors: Rocha Gilma Sannyelle Silva , Júnior Francisco Cesino de Medeiros , Lima Najra Danny Pereira , Silva Marcus Vinicius da Rocha Santos da , Machado Andressa da Silva , Pereira Irislene Costa , Lima Mayanny da Silva , Pessoa Natália Monteiro , Rocha Sannya Cianna Silva , Silva Hailany Araújo Costa da
Published: June 2019

Objetivo: Analisar a possível presença de comportamentos de seletividade alimentar em crianças com Transtorno do Espectro Autista (TEA). Métodos: Tratou-se de uma pesquisa descritiva, do tipo exploratória, com abordagem quantitativa. O cenário desta investigação foi o Município de Caxias, situado na região leste do estado do Maranhão, utilizou-se como campo de pesquisa a Associação de Pais e Amigos dos Excepcionais (APAE). Foi utilizado como material de coleta de dados um questionário com perguntas fechadas a respeito de aspectos alimentares. Resultados: Os resultados deste estudo apontam que os participantes possuem comportamentos tendenciosos à seletividade alimentar. O principal comportamento identificado na alimentação foi a repetição dos mesmos alimentos consumidos e dificuldades com a textura que eles apresentam. Conclusão: Comportamentos de seletividade alimentar foram identificados na amostra estudada. Sugere-se que estudos posteriores investiguem a presença de seletividade alimentar e consumo de micronutrientes em pessoas com TEA.
Harry potter and the prisoner of azkaban: The signs analysis of its cover
Authors: Abdullah Debiga Fikky , Purnomosasi Lusia Kristiasih Dwi
Published: June 2019

This research is conducted to explain the implementation, the problems, and the solutions of problems in the Implementation of Sandwich Graphic Organizer in Teaching Writing to the Tenth Grade Students of SMAN 1 Jiwan in the schooling year of 2016/2017. This research uses descriptive qualitative research. The participants of the research are the English teacher and students of X-A class of SMAN 1 Jiwan. The research uses purposive sampling technique. The techniques which are used to collect the data are observation, interview, and documentation. While, the techniques of the data analysis are: data condensation, data display, and conclusion and verification. The results of this research are the teacher prepares syllabus, RPP, and the papers of picture Sandwich Graphic Organizer. The steps are pre-activities, whilst-activities, and post-activities. Otherwise, some students get difficulties in managing their time, some students make mistakes in using V2 that is used in writing recount text, some students get difficulties in expressing their ideas from Indonesian to the English language because of minimum of vocabulary, and some students forget to write a capital letter in the beginning of the sentence and full stop in the ending of the sentence. Then, the solutions of problems in the implementation Sandwich Graphic Organizer are: the teacher explains again about the steps of using technique Sandwich Graphic Organizer, the teacher divides the time of the students when the students should write the outline and when the students should develop their outline, the teacher gives the command for the students to open their dictionary to check the list of verb 2, the teacher asks the students to open their dictionaries when they are difficult in translating their ideas, and the teacher asks the students to pay attention to the punctuation when writing.
Using “Closed Group” Facebook to teach writing for the tenth graders of SMAN 1 Jiwan
Authors: Suganda Lilis
Published: June 2019

This research aims at improving the writing learning process of the tenth graders of SMA Negeri 1 Jiwan through closed group Facebook. This research used descriptive qualitative research and data collected using methodological triangulation. Then, to collect the data, researcher needs a technique that is called technique of collecting data. There were observation, interview and documentation.Based on the result of this research, Closed Group Facebook is more interesting than write on paper, helps the students to active in teaching writing, makes easier to share problem in their writing, can increase the students’ interest to learn writing, makes the students easily understand their mistake in writing by giving friend’s feedback in the comment, makes the students enjoy in learning writing.Meanwhile, the disadvantages are first, Closed Group Facebook only can be accessed if there is quota internet or access wi-fi. The second, students’ activity can not be controlled by the teacher when they are opening Facebook or when they operate their gadget. It can be concluded that using closed group Facebook can improve students’ writing skill. The last, the researcher also gives the suggestion for the teacher, students, school, and future researcher that they should do better research.
Intended meaning of Coldplay’s album cover “A Head Full of Dreams”: semiotic study
Authors: Fadilla Nur , Setiyadi Dwi , Ambarwati Rosita
Published: June 2019

The study entitled “Intended Meaning of Coldplay’s Album Cover “A Head Full of Dreams”: Semiotic Study”. The data taken from Coldplay album cover. The aims of this study is to describe semiotic elements and to describe the meaning intended in the album cover. The data analysis described in qualitative using semiotic theory from Peirce icon, index, and symbol. Then, to represent the meaning and the ideas used theory ideology from Dijk. The results shows that theory of semiotic succeed to describe the meaning intended in album cover. The visual and verbal elements have functions to persuade the people to buy Coldplay album A Head Full of Dreams.
Pengaruh Penggunaan Model Pembelajaran Cooperative Reading and Composition (CIRC) dan Kemampuan Berpikir Kritis Terhadap Kemampuan Apresiasi Cerpen Siswa SDN Mrayan Kabupaten Ponorogo
Authors: Pamularsih Pamularsih
Published: June 2019

Kemampuan apresiasi karya sastra sangat dipengaruhi oleh beberapa kemampuan yang lain. Kemampuan tersebut salah satunya adalah kemampuan berpikir kritis. Di dalam kemampuan berpikir kritis, kemampuan akademis siswa akan terbentuk. Dalam kaitannya dengan pembelajaran apresiasi cerpen, siswa dituntut untuk mampu menganalisa setiap unsur yang terdapat dalam cerpen. Tujuan utama penelitian ini adalah menganalisis Pengaruh Penggunaan Model Pembelajaran Cooperative Reading and Composition (CIRC) dan Kemampuan Berpikir Kritis Terhadap Kemampuan Apresiasi Cerpen. Penelitian ini berjenis kuantitatif eksperimen semu. Sampel dalam penelitian ini berjumlah 100 siswa. Pemilihan sampel dilakukan secara acak dengan mempertimbangkan karakteristik tertentu. Hasil temuan dalam penelitian ini adalah terdapat pengaruh penggunaan metode CIRC dan kemampuan berpikir kritis terhadap kemampuan apresiasi cerpen siswa.
Pengaruh Penggunaan Model Pembelajaran Jigsaw dan Percaya Diri Terhadap Kemampuan Apresiasi Puisi Siswa SDN Ngrayudan Kabupaten Ngawi
Authors: Fitriyah Wasis
Published: June 2019

Penelitian ini bertujuan untuk menganalisa dan membuktikan pengaruh penggunaan metode Jigsaw dan percaya diri terhadap kemampuan apresiasi puisi siswa. Sampel dalam penelitian ini diambil secara acak dengan tujuan tertentu. Sampel penelitian ini berjumlah 50 siswa dari 2 SD yang berbeda. Teknik penelitian ini menggunakan anova 2x2. Dari penelitian yang telah dilaksanakan didapatkan hasil berupa perbedaan kemampuan apresiasi puisi antara siswa yang diajar menggunakan Jigsaw dan memiliki percaya diri tinggi dengan kelompok siswa yang tidak diajar menggunakan Jigsaw dan memiliki percaya diri rendah. Artinya, terdapat pengaruh penggunaan metode Jigsaw dan percaya diri terhadap kemampuan apresiasi puisi siswa.
Two Are Better than One: A Design Principle for Ultralong Persistent Luminescence of Pure Organics
Authors: Alam Parvej , Leung Nelson , Liu Junkai , Zhang Xuepeng , He Zikai , Tsz Kin Kwok Ryan , Lam Jacky W. Y. , Sung Herman H.-Y. , Williams Ian Duncan , Peng Qian , Tang Ben Zhong
Published: June 2019

Because of their innate ability to store and then release energy, long persistent luminescence (LPL) materials have garnered strong research interest in a wide range of multidisciplinary fields, such as biomedical sciences, theranostics, and photonic devices. Although many inorganic LPL systems with afterglow durations of up to hours and days have been reported, organic LPL (OLPL) systems have had difficulties reaching similar timescales. We propose in this work a design principle based on the successes of inorganic systems to produce an OLPL system through the use of a strong organic electron trap. The resulting system generated detectable afterglow for up to 7 hours, significantly longer than any other reported OLPL system. The design strategy demonstrates an easy methodology to develop organic long persistent phosphors, opening the door to new OLPL materials.
Insights into the Formation Mechanism of CdSe Nanoplatelets Using in situ X-ray Scattering
Authors: Castro Nicolo , Ithurria Sandrine , Lequeux Nicolas , Constantin Doru , Levitz Pierre , Pontoni Diego , Abécassis Benjamin
Published: June 2019

Two dimensional ultra thin CdSe nanoplatelets have attracted a large interest due to their optical properties but their formation mechanism is not yet well understood. Several different mechanisms and models have been proposed but quantitative in situ data that could validate or disprove them are lacking. We use synchrotron-based small-angle and wide-angle X-ray scattering to probe in situ the formation mechanism of CdSe nanoplatelets synthesized using a heating-up method. We prove the absence of a molecular mesophases in the reactive medium at the onset of nanoplatelet formation ruling out a templating effect. A q-2 regime is observed from the start of the reaction which extends towards smaller wave vectors with time, consistent with the continuous lateral growth of nanoplatelets from a limited number of seeds fed by reactive monomers. A ripening mechanism where small cluster fuse to yield nanoplatelets can also be ruled out by our data. When the final temperature is lowered, larger nanoplatelets are obtained and the SAXS patterns exhibit marked oscillations due to their rolling into curved nanoscrolls. Our experiments thus show that nanoplatelet curvature appears during their synthesis.
A De Novo Molecular Generation Method Using Latent Vector Based Generative Adversarial Network
Authors: Prykhodko Oleksii , Johansson Simon Viet , Kotsias Panagiotis-Christos , Bjerrum Esben Jannik , Engkvist Ola , Chen Hongming
Published: June 2019

Recently deep learning method has been used for generating novel structures. In the current study, we proposed a new deep learning method, LatentGAN, which combine an autoencoder and a generative adversarial neural network for doing de novo molecule design. We applied the method for structure generation in two scenarios, one is to generate random drug-like compounds and the other is to generate target biased compounds. Our results show that the method works well in both cases, in which sampled compounds from the trained model can largely occupy the same chemical space of the training set and still a substantial fraction of the generated compound are novel. The distribution of drug-likeness score for compounds sampled from LatentGAN is also similar to that of the training set.
Inhibitive Potential of Prosopis Africana on Corrosion of Low Carbon Steel in 1M Hydrochloric Acid Medium
Authors: SHUAIB-BABATA YUSUF LANRE , IBRAHIM KOBE HASSAN , AMBALI OWOLABI IBRAHIM , YAHYA ABOLORE RAHEEM , AJAO SULEIMAN KABIRU , AREMU ISHAQ NA'ALLAH , PELUMI ABIBAT ATINUKE
Published: June 2019

Recently, there is quest for the use of inexpensive, non-toxic, non-biodegradable, readily available and environmentally acceptable corrosion inhibitor. Studies have shown that these properties could be achieved through the use of plants as inhibitor. Inhibiting effect of Prosopis Africana (Iron Tree) seed extracts were assessed on a sample of low carbon steel in 1M HCl with varying proportion of the seed extract using gravimetric, Tafel polarization and gasometrical measurement techniques. The results show that weight loss/corrosion rate decreases with increase in the extracts’ concentrations.  Good inhibiting efficiency of Prosopis Africana extracts with optimum inhibiting efficiency of 97.7% at 1.0 g/l after 120 hours exposure in gravimetric measurement was attained. TAFEL polarization results revealed that the Prosopis Africana extract shows that the corrosion current density decreases with the increase in the concentration of the extract. The extract is found suitable as green inhibitor for corrosion of low carbon steel in the studied medium.
Кристаллографический анализ соотношений симметрия—стабильность атомных структур
Authors: Борисов С.В. , Магарилл С.А. , Первухина Н.В.
Published: June 2019

Исходя из представления, что стабильность кристаллических структур создается трансляционной и точечной пространственной симметрией, сокращающей степени свободы и, следовательно, энергию материальных частиц (атомов, химически прочных атомных группировок), рассмотрены распространенные и некоторые другие структурные типы, а также механизмы структурных трансформаций. Показана роль высокосимметричных пространственных «шаблонов» для размещения атомов в решении проблемы состав—структура. Предложены критерии относительной стабильности кристаллических структур.
Synthesis, experimental and theoretical studies on N,N'-dipyridoxyl(4-chloro-1,2-phenylenediamine) tetradentate ligand and its copper(II) complex
Authors: Yavari M. , Beyramabadi S.A. , Morsali A. , Bozorgmehr M.R.
Published: June 2019

In this work, N,N'-dipyridoxyl(4-chloro-1,2-phenylenediamine) [=H2L] Schiff base and its Cu(II) complex [Cu(L)] are newly synthesized and characterized by IR, NMR, and mass spectroscopies as well as the elemental analysis. In addition to experimental characterizations, their structural parameters, tautomerism of the H2L, assignment of their IR vibrational bands and NMR chemical shifts together with the natural bond orbital (NBO) analysis are calculated at the density functional theory (DFT) level. The geometry of free H2L Schiff base is not planar, but each of the three aromatic rings lies in a separate plane. However, the [Cu(L)] complex has a square-planar geometry. The dianionic L2– species acts as a tetradentate ligand in the N,N,O–,O– manner. In the structure of the square complex, two phenolic oxygen atoms and two azomethine nitrogen atoms occupy four coordination positions. High-energy gaps approve the stability of two investigated compounds. The DFT-computed values are in good agreement with the experimental ones, confirming the suitability of the optimized geometries for H2L Schiff base and its [Cu(L)] complex.
Synthesis, X-ray crystal structure, and catalytic epoxidation property of an oxovanadium(V) complex with hydrazone and ethyl maltol ligands
Authors: Cui Y.M. , Wang Y.Q. , Su X.X. , Huang H. , Zhang P.
Published: June 2019

A new oxovanadium(V) complex [VO(BH)(EM)], where BH = N'-(2-hydroxybenzylidene)-4-trifluoromethylbenzohydrazide, EM = ethyl maltol, is synthesized and fully characterized based on the elemental analysis, FT-IR, UV-Vis, and 1H NMR spectra. The complex is also characterized by single crystal X-ray diffraction, which indicates that the V atom adopts the octahedral coordination. The hydrazone ligand behaves as a tridentate ligand, and the ethyl maltol ligand behaves as a bidentate ligand. The catalytic epoxidation property of the complex is investigated.
Структура и свойства соли (C4N2H12)[Pt(NO3)6]
Authors: Васильченко Д.Б. , Топчиян П.А. , Ткачев С.В. , Байдина И.А. , Корольков И.В. , Филатов Е.Ю. , Шевень Д.Г.
Published: June 2019

Из азотнокислого раствора гидроксида платины(IV) выделена соль (C4N2H12)[Pt(NO3)6], содержащая катион пиперазиния. Структура соли изучена методом рентгеноструктурного анализа. Кристаллографические данные: a = 15.589(1) Å, b = 12.919(1) Å, c = 9.889(9) Å, β = 08.625(4)°, пространственная группа C2/c, Z = 4, ρвыч = 2.306 г/cм3. В структуре анионы [Pt(NO3)6]2– со строением тригональной антипризмы соединены в трехмерную сетку посредством образования водородных связей с органическими катионами. Для серии солей, содержащих анионные нитратокомплексы платины [Pt(NO3)6]2– и [Pt(μ-OH)2(NO3)8]2–, показана взаимосвязь структуры со спектрами твердотельного ядерного магнитного резонанса (ЯМР MAS) на ядрах 195Pt.
Combination prevention and HIV: a cross-sectional community survey of gay and bisexual men in London, October to December 2016
Authors: Logan Louise , Fakoya Ibidun , Howarth Alison , Murphy Gary , Johnson Anne M , Rodger Alison J , Burns Fiona , Nardone Anthony
Published: June 2019

Background

Men who have sex with men (MSM) are at risk of HIV and are an important population to monitor and ameliorate combination prevention efforts.

Aim

To estimate HIV prevalence and identify factors associated with frequent HIV testing (≥ 2 HIV tests in the last year) and pre-exposure prophylaxis (PrEP) use among MSM in London.

Methods

For this cross-sectional study, MSM recruited from 22 social venues provided oral-fluid samples for anonymous HIV antibody (Ab) testing and completed a questionnaire. Factors associated with frequent HIV testing and PrEP use were identified through logistic regression.

Results

Of 767 men recruited, 545 provided an eligible oral specimen. Among these, 38 MSM (7.0%) were anti-HIV positive including five (13.2%; 5/38) who reported their status as negative. Condomless anal sex within the previous 3 months was reported by 60.1% (412/685) men. Frequent HIV testing was associated with, in the past year, a reported sexually transmitted infection (adjusted odds ratio (AOR): 5.05; 95% confidence interval (CI): 2.66–9.58) or ≥ 2 casual condomless partners (AOR 2–4 partners: 3.65 (95% CI: 1.87–7.10); AOR 5–10 partners: 3.34 (95% CI: 1.32–8.49). Age ≥ 35 years was related to less frequent HIV testing (AOR 35–44 years: 0.34 (95% CI: 0.16–0.72); AOR ≥ 45 years: 0.29 (95% CI: 0.12–0.69). PrEP use in the past year was reported by 6.2% (46/744) of MSM and associated with ≥ 2 casual condomless sex partners (AOR: 2.86; 95% CI: 1.17–6.98) or chemsex (AOR: 2.31; 95% CI: 1.09–4.91).

Conclusion

This bio-behavioural study of MSM found high rates of behaviours associated with increased risk of HIV transmission. Combination prevention, including frequent HIV testing and use of PrEP, remains crucial in London.
Monitoring antimicrobial resistance trends in commensal Escherichia coli from livestock, the Netherlands, 1998 to 2016
Authors: Hesp Ayla , Veldman Kees , van der Goot Jeanet , Mevius Dik , van Schaik Gerdien
Published: June 2019

Background

Monitoring of antimicrobial resistance (AMR) in animals is essential for public health surveillance. To enhance interpretation of monitoring data, evaluation and optimisation of AMR trend analysis is needed.

Aims

To quantify and evaluate trends in AMR in commensal Escherichia coli, using data from the Dutch national AMR monitoring programme in livestock (1998–2016).

Methods

Faecal samples were collected at slaughter from broilers, pigs and veal calves. Minimum inhibitory concentration values were obtained by broth microdilution for E. coli for 15 antimicrobials of eight antimicrobial classes. A Poisson regression model was applied to resistant isolate counts, with explanatory variables representing time before and after 2009 (reference year); for veal calves, sampling changed from 2012 represented by an extra explanatory variable.

Results

Resistant counts increased significantly from 1998-2009 in broilers and pigs, except for tetracyclines and sulfamethoxazole in broilers and chloramphenicol and aminoglycosides in pigs. Since 2009, resistant counts decreased for all antimicrobials in broilers and for all but the phenicols in pigs. In veal calves, for most antimicrobials no significant decrease in resistant counts could be determined for 2009–16, except for sulfamethoxazole and nalidixic acid. Within animal species, antimicrobial-specific trends were similar.

Conclusions

Using Dutch monitoring data from 1998-2016, this study quantified AMR trends in broilers and slaughter pigs and showed significant trend changes in the reference year 2009. We showed that monitoring in commensal E. coli is useful to quantify trends and detect trend changes in AMR. This model is applicable to similar data from other European countries.
Impact of Vitamin D repletion on treatment of chronic lower back pain
Authors: Khan Dildar , Muhammad Muneeb  , Khan Hameed Ullah , Rajput Aatir H , Ali Abid , Memon Zaheer Hussian
Published: June 2019

Background: Chronic lower back pain is precisely a distressing condition not only because of associated physical debilitation but the psychological hassle as well. Along with various etiological factors, low vitamin D levels in the body is also a significant cause of this ailment. This study focuses on monitoring the effect of Vitamin D repletion on intensity of chronic (non-traumatic) lower back pain.

Methodology: This longitudinal-prospective analysis was conducted upon a sample of 374 lower back pain patients presenting with vitamin D deficiency from February to October 2018. Inquiries were made regarding basic socio-demographics, history of chronic lower back pain, dietary and medicinal supplement usage, hours of sun exposure and pain levels, assessed using a Visual Analogue Scale (VAS). The vitamin D levels and the VAS pain score were assessed upon baseline visit to the orthopedic out-patient department and followed up after 2 months (1st follow up visit) and 6 months (2nd follow up visit). Data obtained was analyzed using SPSS version 21.0 and Microsoft Excel 2013.

Results: Among the 374 respondents, 52.67% were males while 47.33% were females with the mean age of 47.5 years. The mean baseline (pre-intervention) vitamin D levels were found to be 10.3 ng/ml, which raised significantly to 34.3 ng/ml. The mean (pre-intervention) VAS score dropped significantly, from 81.9 at baseline visit to 31.4 at 2nd follow up visit.

Conclusion: It is concluded that vitamin D repletion has a marked impact on reducing the intensity of chronic lower back pain. Future studies may confirm further to validate the findings of this research.
Early operative outcome of pericardiectomy for symptomatic chronic tuberculous constrictive pericarditis
Authors: Jan Azam , Muhammad Imran  , Kunwar Muhammad Aqeel  , Khan Muhammad Tariq , Sumreen Begum  , Mohammad Amir , Shah Syed Mumtaz , Ali Imran
Published: June 2019

Background: Pericardiectomy procedure is commonly indicated for constrictive pericarditis (CP). One of the most important clue to diagnosis of CP is the signs and symptoms of right-sided heart failure that are not completely explained by presence of pulmonary disease or left-ventricular failure. The aim of this study was to assess clinical data presentation and early operative outcomes of pericardiectomy performed for symptomatic chronic constrictive pericarditis who had failed maximal medical therapy.

Methodology: A retrospective analysis was carried out of consecutive constrictive pericarditis adult age patients who underwent pericardiectomy procedure from 2002 to 2012. The patients who had intraoperative diagnosis of other then constrictive pericarditis were excluded from further analysis. A total 51 patients were selected for this study. The preoperative assessment, intraoperative findings and postoperative course and outcome such as hospital stay, prolonge ICU stay, post-operative CPV etc. were evaluated.

Results: 43 males and 8 females were include in the study among them 41% gave history of previous (TB) and 35% were pediatric patients (teens, as shown less than 19 years). 8 patients had effusive type pericarditis. The preoperative findings revealed dyspnea 54%, Chest Pain 45% and persistent cough 31%. Furthermore, 43% patients had ascites and 41% with pleural effusion. The mean preoperative central venous pressure (CVP) was 20.5 respectively. The post-operative outcome was short hospital stay, the post-operative patients CVP was estimated 13.5 and the mean drop of CVP due to pericardiectomy was estimated 7 respectively.

Conclusion: The conclusive findings of our study revealed that among the patients of symptomatic chronic tuberculous CP, the timely pericardiectomy attempt can effectively improve the hemodynamics of the patient. The early pericardiectomy can also reduce the morbidity and mortality rate of these patients.
Acne vulgaris leading to psychosocial problems among youth of Karachi
Authors: Shahdab Batool  , Sohail Sumrera , Yasmeen Ghazala , Iqbal Nazish , Naz Lubna , Shamim Mufzala
Published: June 2019

Background: Acne Vulgaris (AV) is one of the most common prevalent dermal condition and is testified to have affected 80% of the world's populace around the vividly marked ages of 13 to 30 years. The current study is designed to investigate the association among acne and multifactorial pathogenesis along with social factors and psychological impacts on effected individuals.

Methodology: A survey-based study on a sample of 500 subjects was conducted from February 2016 to October 2016. A structured questionnaire classified into different sections concerning the demographic characteristics, skin type, complexion were inquired while the lifestyle factors like smoking, drinking habits and other factors leading to AV or associated stress were also interrogated.

Results: According to the study results AV was found to be more prevalent in both sexes with a slightly increased outbreak in males (52.4%) as compared to females (47.6%). There was no significant relationship observed between the breakout places of AV and its impact on self-confidence (p=0.197) whereas its impact on the subject's social involvement was significant (p<0.001). Skin type was also found significantly associated with AV outbreak (p<0.05). Apart from physiological factors, smoking was also one of the triggers for AV (p<0.05) while Stress was also correlated with acne and its severity (p<0.000).

Conclusion: Despite being the most prevalent common dermal condition, AV and its associated psychological impacts had been neglected worldwide. This under-rated public health concern leads to a number of psychosocial problems leading to diminished confidence, self-esteem, rejections and even suicidal thoughts among those affected with it.
Biomasa de Tenebrio molitor como inductor de lipasas y proteasas producidas por Paecilomyces fumosoroseus
Authors: Gómez Cinthia , Amaya Ismael , de la Cruz-Quiroz Reynaldo , Rodríguez-Herrera Raúl , N. Aguilar Cristóbal
Published: June 2019

Los hongos entomopatógenos son microorganismos comúnmente usados en prácticas de biocontrol de nematodos, insectos, entre otros. El principal mecanismo de acción de estos hongos es el parasitismo mediado por enzimas líticas, las cuales dependen de la interacción directa del microorganismo con sustratos inductores. En el presente estudio se evaluó la influencia de 8 generaciones continuas del hongo Paecilomyces fumosoroseus y el efecto de la adición de biomasa de Tenebrio molitor en el medio de cultivo para la producción de enzimas proteasas y lipasas. La cepa de P. fumosoroseus demostró ser un importante
productor de proteasas y lipasas bajo las condiciones evaluadas, lo que le confiere alto potencial para actuar como agente activo en productos bioinsecticidas. La producción de lipasas mantuvo niveles homogéneos a través de las generaciones de P. fumosoroseus evaluadas, sin embargo la producción de proteasas si fue influenciada, con un incremento hasta la cuarta generación. Los valores de mayor actividad fueron de 800 y 200 U/L para lipasa y proteasa, respectivamente.
Obtención de un colorante natural a partir de la pitahaya (Hylocereus undatus haworth, britton y rose) de la región sur del estado de Campeche
Authors: Cervantes-Sánchez Martha Elena , Huicab-Martínez Jorge Luis , García-Vela José Alfredo , Vanoye-Eligio Maximiliano
Published: June 2019

La pitahaya es una fruta que contiene propiedades benéficas para el humano, entre las cuales destacan los pigmentos que se utilizan para la coloración en la industria alimentaria, tales antocianinas y betaleínas con actividad antioxidante. Es importante señalar que no son las únicas sustancias benéficas para el ser humano que tiene la pitahaya, también contiene, tiamina y ácido ascórbico. Es por ello, que objetivo de este trabajo fue la obtención de un colorante natural a partir de la cáscara de pitahaya con uso potencial en la industria
alimentaria. Para el logro del trabajo se utilizó la cáscara de pitahaya para la obtención del colorante natural. El colorante fue obtenido a través de diferentes técnicas, tales como la deshidratación, secado, trituración de la cáscara, tamizado y el uso de una centrífuga. Los resultados indican que el colorante obtenido a partir de la deshidratación forma parte del grupo de antocianos y que a una relación de 1/10 es suficiente para dar color a bebidas fermentadas.
Communication Strategy of Jawa Pos to Increase the Reading Interest of Youth Through Zetizen Rubric
Authors: Fahmi Muhmmad Nizar , Indiyati Diyah , Hadi Agus Purbathin
Published: June 2019

The changing period of generation to generation Z makes the existence of old media shifted by new media. Generation Z tends to rely on new technology to access information. Newspapers as the part of the old media can disappear over time. Jawa Pos as one of the newspapers in Indonesia makes a communication strategy to increase the reading interest of the younger generation. The strategy was made through a rubric of young people named Zetizen, previously named Detection. This study aimed to find out Jawa Pos communication strategy in increasing young people's reading interest through the Zetizen rubric. The research was conducted from February to April 2018 at the Java Bos office. The method used is descriptive qualitative method through a case study approach. The results of the study show that the communication strategy made by Jawa Pos is an online strategy and offline strategy through the Zetizen rubric. These two communication strategies are executed by different divisions, Community Division and Page Division. The online strategy that is carried out by the provision of content through social media and websites that are executed by Division Pages. Page Division is also responsible for one part of the offline strategy, which is providing content through the Zetizen rubric. Community Division handles the process of offline engagement through events held. Keywords: communication strategy; Jawa Pos; reading interest; Zetizen
Online Conversation Analysis as The Research Method of Social Media Texts: Rationale, Steps and Example
Authors: Teluma Aurelius R.L.
Published: June 2019

The main components of social media text are the language and network structure of users. Virtually, social media texts appear in the form of posts and comments. Therefore, social media texts have the characteristics of online conversation. So, online conversation analysis (OCA) is one of the important research methodologies for reviewing social media texts. This paper aims to provide a rationale, steps, and examples of online conversation analysis practices. The most important aspect of the conversation is conversational coherence, namely the connection and meaningfulness in conversation. However, asynchronous factors, information abundance and identity problems in social media texts make such analysis require a number of additional steps. The steps for analyzing online conversations include these aspects: turn taking structures, construction of exchanges, parts-alliances-talks, trouble and repair, preferences and accountability, institutional category and identity. Keywords: online conversation analysis; social media text; research method
Community Participation and Government Role in Using Village Funds in Dlingo Village
Authors: Arifa Indah Nur
Published: June 2019

This study discusses community participation and the role of the government in the utilization of village funds in Dlingo Village. The aim of this study was to find out about the level of community participation in the use of village funds in Dlingo Village and to find out about the role of the government in determining the use of village funds in Dlingo Village. This study uses Arnstein's theory of participation ladder, which is used to determine the level of community participation at each stage of development, namely planning, implementation, and monitoring and evaluation. The research method used is qualitative descriptive research method by collecting qualitative data in the form of interviews, document studies, and observations. The results of this study indicate that: (1) Community Participation in Development Program Planning is at the level of community participation at the partnership level. Community participation in the process is quite high, reaching 90% attendance at the village development planning meeting forum. (2) Community Participation in the Implementation of the Development Program is at the stage of placation, this is evidenced by the implementation of the program involving almost the entire community. The role of the village government as the manager of village funds in terms of implementing the program is as a coordinator so that each program can be implemented properly. (3) Community participation in the Development Program Monitoring and Evaluation is in the consultation stage where the community becomes a consultant to the village government. The role of the government is in the monitoring and evaluation process in terms of being a driver of supervision and evaluation among the community.
Utopia, utopismi ja paikan tutkimus
Authors: Karhu Mikko
Published: June 2019

Esittelen katsauksessa tutkimusaihepiirini, joka koskee utopioita, utopismia ja paikan tutkimusta. Vuonna 2016 valmistuneessa lisensiaatin opinnäytetyössäni tutkin kolmea klassista utopia- ja dystopiakirjallisuuden lajityyliin lukeutuvaa teosta tarkastelemalla, miten paikkaa niissä kuvataan. Tarkoitus on kehittää opinäytetyöni väitöskirjaksi vieläpä otolliseen aikaan, sillä  yleinen kiinnostus utopioita kohtaan on kohoamassa. Tutkimusmatkalla tietämykseni aihepiirin kolmesta keskeisestä käsitteestä ja niiden yhteydestä on kasvanut. Esittelen tässä katsauksessa keskeiset asiat koskien utopiaa ja utopismia sekä vedän tähän asti havaitsemiani yhteneväisyyksiä niiden ja paikan tutkimuksen välillä tukeutumalla paikkateorian tutkimusperintöön.
Kiertotaloussiirtymä ja uudet markkinat
Authors: Nylén Erkki-Jussi Antero
Published: June 2019

Kiertotalous on viime vuosina noussut merkittäväksi politiikkatavoitteeksi Suomessa. Kiertotaloutta on edistetty vaikutusvaltaisten toimijoiden puhein, joiden tarkoituksena on houkutella sosioteknisten käytäntöjentason toimijoita kehittämään ja toteuttamaan kiertotaloutta. Yksi tapa houkutella niitä tähän on puhe uusista markkinoista, joita kiertotalouden nähdään synnyttävän. Tätä argumentaatiota olen analysoinut kahdesta kiertotalouteen houkuttelevasta raporttista: Elinkeinoelämän keskusliiton (EK) julkaisemasta Syty kiertotaloudesta - Yhdessä kiinni kasvuun ja Suomen itsenäisyyden juhlarahaston (Sitra) julkaisemasta Kierrolla kärkeen -Suomen tiekartta kiertotalouteen 2016—2025. Raporteissa uudet markkinat syntyvät samoista komponenteista, mutta niiden argumentaatiossa on merkittäviä eroja siitäkin huolimatta, että ne tavoittelevat samaa päämäärää eli kiertotaloustoimijuuden synnyttämistä. Syty kiertotaloudesta painottaa vahvasti toimijoiden välistä yhteistyötä eikä tee eroa koti- ja vientimarkkinoiden välillä ja väittää kiertotalouden tulon olevan vääjäämätöntä. Kierrolla kärkeen painottaa vientimarkkinoita, kilpailukykyä eikä artikuloi kiertotaloutta vääjäämättömäksi megatrendiksi. Tulkintani mukaan puhetapaerot johtuvat raporttien erilaisista tarkoituskehyksistä ja eroista Sitran ja EK:n yhteiskunnallisista toimijapositiossa.
Pieni ja keskisuuri urbanismi kaupunkikehittämisen voimavarana
Authors: Hynynen Ari , Rantanen Annuska
Published: June 2019

Kaupungistuminen on maailmanlaajuinen vahva megatrendi, joka liitetään ilmiönä useimmiten suurkaupunkeihin. Helposti unohtuu urbanisaation hennompi prosessi, joka muokkaa pienempiä kaupunkeja ja yhdyskuntia sekä näitä ympäröivää maaseutua. Vaikka tämän tyyppinen muutos ei ole määrällisesti tarkasteltuna yhtä kiinnostava, se avaa tärkeitä näkökulmia yhdyskuntien laadulliseen muutokseen ja sen hallintaan. Maahanmuutto, digitalisaatio ja biotalous ovat esimerkkejä vahvistuvista muutosajureista. Ne tulevat muokkaamaan kaupunkielämää, -taloutta, -tilaa ja -rakennetta tavoilla, joita tunnemme toistaiseksi huonosti. On myös mahdollista, että keskittyminen suurille kaupunkiseuduille laukaisee vastaliikkeen, jossa arvostetaan puhtautta, hiljaisuutta ja turvallisuutta. Tällaisia laatuja haetaan yleensä pienemmistä yhdyskunnista. Jotta pienille ja keskisuurille kaupungeille löydetään niille ominaiset kehittämisperiaatteet, tarvitaan ”urbanismin” käsitteen laajentamista. Tutkimuksen kohdealueena on Etelä-Pohjanmaa, jonka kaupunkikehittämistä tarkastellaan tästä näkökulmasta.
Luonnosta seuraava
Authors: Sepänmaa Yrjö Heikki
Published: June 2019

N/A
Juan José Millás. Que nadie duerma
Authors: Guarino Augusto
Published: June 2019

Recensione di Millás, Juan José (2018). Que nadie duerma. Madrid: Alfaguara, pp. 200
Francesca Zantedeschi. The Antiquarians of the Nation. Monuments and Language in Nineteenth-Century Roussillon
Authors: Rao Riccardo
Published: June 2019

Ressenya de Zantedeschi, Francesca (2019). The Antiquarians of the Nation. Monuments and Language in Nineteenth-Century Roussillon. Leiden: Brill, pp. 312.