bluuebunny/crossref_metadata_2025 huggingface dataset:
Short course of immune-suppressive doses of prednisolone, evaluated through a prospective double-masked placebo-controlled clinical trial in healthy Beagles, is associated with sustained modifications in renal, hydration, and electrolytic status
Authors: Mantelli M. I. , Roques B. B. , Blanchard T. A. , Mounier M. , Quincey M. , Jolivet F. B. , Jousserand N. P. , Marchand A. , Diquélou A. N. , Reynolds B. S. , Coyne M. , Trumel C. , Lefebvre H. P. , Concordet D. , Lavoué R.
Published: March 2022

OBJECTIVE

To investigate the effects and duration of orally administered prednisolone on renal function evaluated by glomerular filtration rate (GFR) determination and creatinine (Cr) and symmetric dimethylarginine (SDMA) concentrations as well as on urinalysis, electrolytes, and hydric status in healthy dogs.

ANIMALS

14 healthy Beagles.

PROCEDURES

In this prospective double-masked placebo-controlled study, dogs were randomized after baseline evaluation to receive a 7-day course of either prednisolone (1.5 to 2.0 mg/kg, PO, q 12 h) or a placebo. A repeated-measure design was performed, each dog participating in 4 successive sampling sessions. Clinical data, systolic blood pressure, CBC, and biochemical analyses including serum SDMA concentration, GFR determination, urine output quantification, and complete urinalysis were performed for all dogs the day before (D0) and at the end of steroid administration (D7) as well as 2 weeks (D21) and 4 weeks (D35) after the end of treatment.

RESULTS

At D7, when compared with baseline, GFR increased significantly in treated dogs, whereas creatinine and SDMA concentrations decreased significantly. GFR and Cr but not SDMA modifications persisted significantly at D21. None of the variables differed significantly from baseline at D35. The OR of presenting an albumin band on urine electrophoresis was 2.4 times as high in treated versus control dogs (OR, 36; 95% CI, 1.8 to 719.4; P = 0.02).

CLINICAL RELEVANCE

A short-term course of immune-suppressive prednisolone treatment in healthy dogs leads to a sustained but reversible renal hyperfiltration state. Modification in electrolytic variables can affect the clinical interpretation of blood work in such patients.
Flow-controlled expiration improves respiratory mechanics, ventilation, and gas exchange in anesthetized horses
Authors: Hopster Klaus , Hurcombe Samuel D. , Simpson Keith , VanderBroek Ashley R. , Driessen Bernd
Published: March 2022

OBJECTIVE

Mechanical ventilation is usually achieved by active lung inflation during inspiration and passive lung emptying during expiration. By contrast, flow-controlled expiration (FLEX) ventilation actively reduces the rate of lung emptying by causing linear gas flow throughout the expiratory phase. Our aim was to evaluate the effects of FLEX on lung compliance and gas exchange in anesthetized horses in dorsal recumbency.

ANIMALS

8 healthy horses.

PROCEDURES

All animals were anesthetized twice and either ventilated beginning with FLEX or conventional volume-controlled ventilation in a randomized, crossover design. Total anesthesia time was 3 hours, with the ventilatory mode being changed after 1.5 hours. During anesthesia, cardiac output (thermodilution), mean arterial blood pressures, central venous pressure, and pulmonary arterial pressure were recorded. Further, peak, plateau, and mean airway pressures and dynamic lung compliance (Cdyn) were measured. Arterial blood gases were analyzed every 15 minutes. Data were analyzed using ANOVA (P < 0.05).

RESULTS

FLEX ventilation resulted in significantly higher arterial oxygen partial pressures (521 vs 227 mm Hg) and Cdyn (564 vs 431 mL/cm H2O) values compared to volume-controlled ventilation. The peak and plateau airway pressure were lower, but mean airway pressure was significantly higher (4.8 vs 9.2 cm H2O) in FLEX ventilated horses. No difference for cardiovascular parameters were detected.

CLINICAL RELEVANCE

The results of this study showed a significant improvement of the Pao2 and Cdyn without compromising the cardiovascular system when horses were ventilated by use of FLEX compared to conventional ventilation.
Patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses: 133 cases (2002–2019)
Authors: Pumphrey Stephanie A. , Wayne Annie S.
Published: March 2022

OBJECTIVE

To evaluate patterns of bacterial culture and antimicrobial susceptibility test results for dogs with retrobulbar abscesses and generate recommendations for empirical antimicrobial selection.

ANIMALS

133 dogs examined between 2002 and 2019.

PROCEDURES

Records were retrospectively reviewed to determine type of bacterial culture, number and type of bacterial isolates, antimicrobial susceptibility test results, concurrent and recent antimicrobial exposure, effect of culture results on antimicrobial regimen, and outcome.

RESULTS

Aerobic culture alone was performed in 37 dogs, and aerobic and anaerobic culture was performed in 96 dogs. Isolates were recovered from 96 dogs, with multiple isolates recovered from 54 (56%) of those dogs. Of the 69 dogs for which both aerobic and anaerobic culture was performed and at least 1 isolate was obtained, 34 (49%) had purely aerobic infections, 15 (22%) had mixed aerobic and anaerobic infections, and 20 (29%) had purely anaerobic infections. Pasteurella spp (n = 26), Streptococcus spp (20), and Escherichia coli (12) were the most common aerobic isolates. Bacteroides spp (n = 22), Actinomyces spp (10), and Fusobacterium (10) spp were the most common anaerobic isolates. Susceptibility test results led to changes in the antimicrobial regimen in 37 of 80 (46%) dogs. Of the 76 dogs for which outcome information was available, 78 (97%) recovered.

CLINICAL RELEVANCE

Multipathogen and anaerobic infections were common in dogs with retrobulbar abscesses. Susceptibility data supported the use of amoxicillin-clavulanate or a combination of clindamycin and enrofloxacin as first-line treatments. Additional study is needed to characterize anaerobic antimicrobial susceptibilities and to compare results of susceptibility testing with in vivo responses to antimicrobial administration.
Penambahan Alat Indikator Suhu Digital pada Hand Sealer Manual Guna Optimalisasi Kemasan Produk di Laboratorium Manajemen Agroindustri Politeknik Negeri Jember
Authors: Nyoto Mulyadi , Widiastuti Ety , Suharianto
Published: March 2022

Mesin sealer adalah mesin yang digunakan untuk menutupi permukaan kemasan produk sehingga memberikan kesan rapi, indah dan tidak tumpah (memudahkan untuk membawa minuman atau makanan bagi pembeli), mesin sealer ini menggunakan cara kerja prinsip pemanasan dan pemotongan. Hand Sealer (Impulse Sealer) adalah alat untuk merekatkan kemasan plastik dengan menggunakan sistem pemanas listrik’. Metode penelitian ini dilakukan dengan memodifikasi alat dengan menambahkan indikator suhu digital (thermostat) pada hand sealer manual yang memiliki Mesin Press Plastik Double Leopard SP300H (Impulse Sealer) yang memiliki daya listrik 400 Watt dengan tegangan 220V/ 50Hz. 1x Heating Element, 1x Upper Cloth dengan tujuan untuk meningkatkan performa dan mengoptimalkan alat Manual Hand Sealer dalam hal pengemasan produk sehingga dapat menghasilkan output berbagai jenis kemasan produk plastik yang berkualitas. Diharapkan alat yang dimodifikasi ini dapat menunjang kelancaran kegiatan pendidikan khususnya kegiatan praktikum di Laboratorium Manajemen Agroindustri Politeknik Negeri Jember yang berkaitan dengan kegiatan praktikum Desain Produk dan Kemasan yang dilaksanakan hampir setiap semester oleh mahasiswa
IMPACTOS DA LEI COMPLEMENTAR Nº 150 SOBRE O EMPREGO DE TRABALHADORAS DOMÉSTICAS
Authors: Mendes Pereira Thamires , Costa de Souza Elvanio
Published: March 2022

A Lei Complementar nº 150, aprovada em 2015, trouxe vários novos benefícios aos trabalhadores domésticos. Para os empregadores, entretanto, os novos encargos trabalhistas implicaram um aumento nos custos de empregar um trabalhador doméstico formal. Assim, este estudo analisou se a nova Lei gerou, ainda que não fosse sua intenção, uma redução no emprego de trabalhadoras domésticas formais e um aumento na contratação de domésticas informais. Usando dados trimestrais da Pesquisa Nacional por Amostra de Domicílios Contínua de 2012 a 2019 e um modelo logit multinomial, este estudo encontrou evidências de um aumento da informalidade, após 2015, que podem estar relacionados aos novos encargos trabalhistas.
Environmentally Friendly Emergency Lighting System Using Bio Batteries from Pineapple Skin Waste as Energy Source
Authors: Fitrya Neneng , Wirman Shabri Putra , Rahayu Rahmat Dwi
Published: March 2022

This study examines the use of bio batteries from pineapple skin paste as an energy source. Bio-battery is a battery with a paste derived from natural materials that are environmentally friendly. The bio-battery is capable of generating electrical power by using a pineapple peel electrolyte paste and copper (Cu) and zinc (Zn) electrodes arranged in series. Parameters measured are voltage, current and duration of the LED (Light Emitting Diode) light. The pasta variations used were pure pasta, pasta with the addition of sodium bicarbonate, pasta with the addition of salt and pasta fermented using LEDs with the total of 6 pieces arranged in parallel and the implementation using pasta with the addition of 0.75 gr salt and 4 LEDs. The research results reveal that the pure paste produces a maximum voltage of 2.410 volts, a maximum current of 0.12 mA with a 14-hour LED light; paste added with sodium bicarbonate produces a maximum voltage of 2,342 volts, a maximum current of 0.21 mA with LED lights on for 12 hours; paste added with salt produces a maximum voltage of 2.432 volts, a maximum current of 0.33 mA with an LED lamp on for 13 hours; and the fermented pasta produced a maximum voltage of 2.542 volts, a maximum current of 0.91 mA. The results showed that bio-battery with pineapple skin paste can produce electrical power that can be used as an energy source for emergency lights.
Analysis of Fill Weight, Water Absorption and Density of Plasterboard Ceiling Made of Banana Midrib Fiber
Authors: Komariyah Ana , Aska Sisy Anggelina Aulia , Navalia Arifa Insani , Rohmawati Lydia , Setyarsih Woro
Published: March 2022

The plasterboard ceiling is one of the applications of fiber-based composite materials. Asbestos fibers, usually used to make plasterboard ceilings, are unfortunately harmful to humans. We propose using banana midrib fibers that are environment-friendly to replace asbestos fibers. This research investigates the influence of the percentage of banana midrib fibers on the fill weight, water absorption, and density of plasterboard ceilings. The fibers extracted from banana midrib were immersed in 40 mL of 1 M NaOH and then used to prepare plasterboard ceiling samples with different fiber percentages, namely 0.0%; 1.0%; 1.5%; 2% 2.5%. The fill weight, water absorption, and density of plasterboard samples were measured and then compared to Indonesian National Standard. The highest fill weight of 1.52 g/cm3 was obtained with a 1.0% percentage of banana midrib fibers for the plasterboard sample. In contrast, the highest water absorption of 11.84% was obtained at 2.5% banana midrib fibers. The more fibers added, the better the seepage of the plasterboard ceilings.Â
A propósito de un caso: «mirar a través de las heridas»
Authors: Siverio Díaz Alba Rocío , Bellahmar Lkadiri Samia , Rodríguez Piriano Ana María
Published: March 2022

Las personas con enfermedades crónicas que derivan en una situación de dependencia deben ser valoradas con un seguimiento más exhaustivo, pues presentan mayor vulnerabi-lidad a comorbilidades y complicaciones. Las lesiones asociadas a la dependencia (LAD), anteriormente englobadas bajo el nombre de úlceras por presión (UPP), son un problema muy prevalente en las personas con movilidad reducida. En 2014 el Grupo Nacional para el Estudio y Asesoramiento en Úlceras Por Presión y Heridas Crónicas (GNEAUPP) desarrolló una teoría de rango medio (TRM) para el análisis y el abordaje de estas lesiones haciendo hincapié en la etiología para un buen tratamiento. La TRM fue publicada bajo el título «Desarrollo de úlceras por presión y otras lesiones relacionadas con la dependencia» y ha sido empleada en el abordaje del caso clínico que se presenta.
Inditex and Sustainability: Are Inditex’s commitments enough to make the company a sustainable fashion brand?
Authors: Mutz Kelly , Shumate Sara
Published: March 2022

The purpose of this paper is to explore the relationship between Inditex’s fast fashion business model and their sustainability commitments, specifically looking at the environmental impact of Inditex’s supply chain. The methodology of the paper analyzes Inditex’s annual reports from 2014 through 2018 and their Commitment to Sustainability report published in 2019. I compare the commitments made in each report and look for any follow up information on these promises. My research aims to evaluate if Inditex’s business model can be considered sustainable or if their commitments and promises are a form of greenwashing. As a leader in the fast fashion industry, and a company that self-proclaims their leadership in sustainability, it is important to determine if Inditex can truly be a leader or if their attempts are just a way to distract consumers from their environmental impacts. Previous research shows that Inditex’s business model makes it a leader for brands of its kind and has been for some time. Their ability to design, manufacture, and transport apparel to their customers in such a short time keeps them ahead of their competitors. However, it is this business model that makes the company unsustainable. Despite commitments made and programs put in place, the company cannot be sustainable as long as their business model remains that of constant growth.
City of Hope-Quality of Life Questionnaire-Arabic Version: Assessment of Reliability and Validity
Authors: Alenezi Aishah , Livesay Karen , Kimpton Amanda , McGrath Ian , Bedaiwi Khalid , Khan Wahaj
Published: March 2022

Abstract BACKGROUND: Arabic is spoken as a native language by more than 400 million people worldwide. However, there is no specific Arabic language instrument to measure stoma-related quality of life. PURPOSE: This study was designed to assess the validity and reliability of the City of Hope-quality of life-Ostomy Questionnaire (COH-QOL-OQ) Arabic version. METHODS: A cross‑sectional design was used. Intra-class correlation coefficients were calculated to measure reliability, and Pearson’s correlations of an item with its own scale and other scales were scored to evaluate convergent and discriminant validity. Content validity was reviewed by a panel of 5 experts. RESULTS: There were 421 participants with colostomy, ileostomy, or urostomy (239 [56.8%] male and 182 [43.2%] female). All COH-QOL-OQ subscales for the Arabic version demonstrated a high level of internal consistency (Cronbach's α = 0.71–0.87). The initial administration of the confirmatory factor analysis model showed inadequate goodness-of-fit indices (χ² /df = 3.902, NFI = .845, CFI = .880, RMSEA = 0.083). However, after removing item 2 in the social dimension, the final administration of the confirmatory factor analysis model showed significant goodness-of-fit indices (χ² /df = 2.663, NFI = .900, CFI = .935, RMSEA = 0.063). CONCLUSION: The findings suggest that the COH-QOL-OQ Arabic version is a valid and reliable tool to measure quality of life among patients with an ostomy in Saudi Arabia.
Caught in the act: Observation of the solvent response triggered by excited-state proton transfer in real time
Authors: Hoberg Claudius , Ockelmann Thorsten , Shee James , Balzerowski Patrick , DasMahanta Debasish , Novelli Fabio , Head-Gordon Martin , Havenith Martina
Published: March 2022

Real-time observation of the solvent response following Excited State Proton Transfer (ESPT) of the photoacid HPTS into water using Optical Pump THz Probe (OPTP) spectroscopy from 0.1 ps up to 300 ps is reported. Subsequent to an instantaneous (< 0.2 ps) electronic response of the solute to photoexcitation, an oscillation with a period of 4 ps involving an intermolecular H (pyranine) - O (water) mode is observed. While for the methylated derivative, MPTS, and the deprotonated photoacid this oscillation relaxes on a time scale of 1.5 – 2 ps, for HPTS the oscillation decays more rapidly within 0.4 ps, which marks the onset of proton transfer. Energy transfer from the excited solute to the solvent takes place on a time scale of 120 ps and is proportional to the Stokes shift associated with energetic relaxation from the Franck-Condon region to the ground state of the photoexcited HPTS.
SAM (self-assembled monolayer)-based Photocatalytic Chip from Immobilized Polytriazoles
Authors: samanta debasis , Ramar P , Raghavendra V , Murugan P
Published: March 2022

A third-generation photocatalytic chip can play an essential role in sunlight-driven dye degradation, hydrogen production, etc. Choice of active substances, as well as fabrication methods, are important for practical utilization of the materials. In this paper, we reported devising a photocatalytic chip using immobilized polytriazoles of diketopyrrolopyrrole (DPP) and zinc oxide for the first time. For immobilization, the self-assembled monolayer (SAM) formation techniques were utilized with superior results. Different methods confirmed efficient immobilization and high grafting density for the SAM technique. Computational models suggested favorable energy parameters for the active materials. Photocatalysis was studied for the degradation of multiple polluting dyes under standard environmental conditions using immobilized polytriazoles.
Delicate, a study of structural change in ten-coordinated La(III), Ce(III), Pr(III), Nd(III), Sm(III) and Eu(III) sulfates
Authors: Storm Thomsen Maria , Sørensen Thomas Just
Published: March 2022

We recently presented a new method that allows for a direct structural comparison of coordination complexes. The main difference to other approaches is that our AlignIT approach uses a common scaling and orientation of the complexes, when computing the symmetry deviation values, σideal. Here, six apparently isostructural lanthanide(III) sulfates K6[(Ln)2(SO4)6]/K5Na[(Ln)2(SO4)6] with ten-coordinated lanthanide(III) sites (Ln(O)10) were prepared, and the single-crystal structures were determined and compared using the symmetry deviation values (σideal). The six structures were shown to fall in two groups, Pr(III) and Eu(III) are identical (σideal = 0.04) bar size. With a maximum σideal of 0.07, the same was found to be true for the La(III), Ce(III), Nd(III), Sm(III) structures. The two groups are shown to be significantly different (σideal > 2.7), yet the coordination geometry of all six are best described as bicapped square antiprisms (σideal = 1.15-1.68). The structures differ in more than symmetry as the smaller lanthanides are shown to crystallize with one sodium and five potassium ions, while the larger crystallize with six potassium ions. This does not change the structure and we postulate that the structural variation is due to a delicate size matching between alkali and lanthanide ions. For the first six lanthanides this structure is very robust, which is confirmed as seven doped systems readily crystallized. These doped systems were prepared in order to use europium(III) luminescence as a structural probe. Unsurprisingly, only the doped Eu-La and Eu-Ce systems were found to be luminescent. Between these two and the all-europium(III) system, the intricate structural differences were shown to be enough to change both crystal field splitting and luminescence lifetime. We conclude that even simple dilution experiments of luminescent lanthanide(III) ions in innocent hosts must consider that actual structure can act as a modulator for the observed properties.
Controlling One- or Two-Electron Oxidation for Selective Amine Functionalization by Alternating Current Frequency
Authors: Gunasekera, Disni , Mahajan Jyoti , Wanzi Yanick , Rodrigo Sachini , Liu Wei , Tan Ting , LUO LONG
Published: March 2022

Here, we report a unique electrosynthetic method that enables selective one-electron oxidation of tertiary amines to generate α-amino radical intermediates over the two-electron oxidation to iminium cations, providing easy access to arylation products by simply applying an optimal alternating current (AC) frequency. More importantly, we have discovered an electrochemical descriptor from cyclic voltammetry studies to predict the optimal AC frequency for various amine substrates, circumventing the time-consuming trial-and-error methods for optimizing reaction conditions. This new development in AC electrolysis provides an alternative strategy to solving challenging chemoselectivity problems in synthetic organic chemistry.
On the potential intermediacy of PhIBr2 as a brominating agent
Authors: Dutton Jason , Wilson David , _ Tania , Molino Andrew
Published: March 2022

PhIBr2, first purported 100 years ago, has been subject of few reports due to its low stability. However, a recent publication proposes a reaction of PIFA (PhI(OC(O)-CF3)2) with TMSBr to form PhIBr2 in-situ and demonstrated its efficacy in aryl brominations. Our report investigates this synthesis by replicating bromination reactions claiming to use in-situ PhIBr2 as described. The spectroscopical and computational results indicate formation of PhI and Br2 where Br2 is responsible for bromination and no supporting evidence for invoking PhIBr2 as an intermediate is found.
Calibrating catalytic DNA nanostructures for site-selective protein modification
Authors: Keijzer Jordi , Zuilhof Han , Albada HB
Published: March 2022

Many biomedical fields rely on proteins that are selectively modified with novel chemical entities. These are often attached using reactive or catalytic moieties, but the position where these moieties are attached is often poorly controlled. In this work, we assess how catalyst position affects the efficiency and selectivity of protein modification. For this, we anchored a template DNA strand to the active site of three different proteins, which were subsequently hybridized to DNA strands that contained catalysts at different positions. We found that catalysts operating via a covalently bound reactant intermediate show a strong correlation between their distance to the protein surface and their efficiency and that the site-selectivity of the modification is affected by the position of the catalyst. Our results are rationalized using computational simulations, showing that one-point anchoring of the DNA construct leads to notable differences in the site of modification.
Intra-Lattice Inverse Charge Transfer in Bimetallic Electrocatalysts
Authors: Parvin Sahanaz , Bothra Neha , Kumar Ashwani , Mura Maglu , Chaudhary Dhirendra K. , Rajput Parasmani , Kumar Manvendra , Pati Swapan K. , Bhattacharyya Sayan
Published: March 2022

The prevalence of intermetallic charge transfer is a marvel for fine-tuning the electronic structure of the active centers in the electrocatalysts. Although, Pauling electronegativity is the primary deciding factor for the direction of charge transfer, we report an unorthodox intra-lattice ‘inverse’ charge transfer from Mo to Ni in two systems, Ni73Mo alloy electrodeposited on Cu nanowires and NiMo-hydroxide (Ni:Mo = 5:1) on Ni foam. The inverse charge transfer deciphered by X-ray absorption fine structure studies and X-ray photoelectron spectroscopy has been understood by the Bader charge and projected density of state analyses. The undercoordinated Mo-center pushes the Mo 4d-orbitals close to the Fermi energy in the valence band region while Ni 3d-orbitals lie in the conduction band. Since, electrons are donated from the electron-rich Mo-center to the electron-poor Ni-center, the inverse charge transfer effect navigates the Mo-center to become positively charged and vice versa. The reverse charge distribution in Ni73Mo accelerates the electrochemical hydrogen evolution reaction in alkaline and acidic media with 0.35 and 0.07 s-1 turnover frequency at -33 and -54 mV versus reversible hydrogen electrode, respectively. The mass activities are 12.5 and 67 A g-1 at 100 mV overpotential, respectively. Anodic potential oxidizes the Ni-center of NiMo-hydroxide for alkaline water oxidation with 0.43 O2 s-1 turnover frequency at 290 mV overpotential. This extremely durable homologous couple achieves water and urea splitting with cell voltages of 1.48 and 1.32 V, respectively at 10 mA cm-2.
Análisis de la multipropiedad en América Latina
Authors: Rojas Ulloa Milushka  Felicitas
Published: March 2022

El presente artículo tiene por finalidad conocer la regulación de la multipropiedad en los principales ordenamientos jurídicos de América Latina que lideran el negocio turístico-vacacional, con el objetivo de comparar la naturaleza jurídica que posee esta institución en cada legislación; es decir, analizar si fue reconocida como un derecho real o un derecho personal. De esta manera, buscaremos encontrar si la regulación en nuestra legislación nacional es la apropiada, o si se deben proyectar algunas modificaciones que permitan a nuestro país competir en igualdad de condiciones con los demás países del mundo.
La paradoja de la integración latinoamericana
Authors: Rosell Medina Mónica
Published: March 2022

Desde sus albores, la región latinoamericana ha sido, a través de sus pensadores más insignes, un foco de la integración regional en el mundo. Si bien las ideas que eventualmente inspirarían a otros pensadores en otras partes del globo a emprender sus propios procesos integracionistas son hasta ahora mayoritariamente aceptadas y apoyadas en la región, intento tras intento de integración latinoamericana ha fallado, sea por motivos intrínsecos o extrínsecos, bajo su control o no. La autora, mediante un análisis histórico y económico de las distintas iniciativas integracionistas latinoamericanas, intenta encontrar el común denominador que ha impedido a la mayoría —sino todos— de aquellos proyectos conseguir su objetivo: una América unida. Estudia además la distinción y —aparente— conflicto entre la supranacionalidad e intergubernamentalidad, y cómo ambos modelos han llevado a los proyectos que los aplicaron al éxito o al fracaso. La autora concluye que es una combinación de factores, entre la suscripción de acuerdos de libre comercio que, más que integrar a la región, aíslan a sus suscriptores uno del otro; la propia idiosincrasia regional y sus aspiraciones nacionalistas que van y vienen; y las mismas iniciativas que paulatinamente han ido enredando a sus miembros, pues los obligan a colocarse en la disyuntiva de seguir los lineamientos de una u otra, los que hasta ahora han prevenido la integración real de los países latinoamericanos.
Las normas de exclusión de candidatos bajo el derecho interamericano
Authors: Albán González Javier , Gurmendi Dunkelberg Alonso
Published: March 2022

El presente artículo estudia la aproximación del Derecho Interamericano y la Corte Interamericana de Derechos Humanos a las limitaciones al derecho a postular a cargos de elección popular, haciendo especial énfasis en las normas del Derecho Electoral peruano sobre exclusión de candidatos. El artículo propone una interpretación que permita consensuar la práctica de los Estados con el texto del Artículo 23 de la Convención Americana, a primera vista incompatibles, ofreciendo una teoría jurídica que permita superar lo que los autores consideran es una situación de relativa impredecibilidad.
Los textos del proyecto de la Línea Aérea de Bandera Nacional como fuente de confusión jurídica
Authors: Yábar Guevara María Eugenia
Published: March 2022

El presente artículo busca realizar un análisis sobre la creación de una “Línea Aérea de Bandera Nacional”, a propósito de las reiteradas iniciativas de un congresista peruano para llevarla a cabo. Dicha posibilidad ha generado confusión jurídica debido a la inconsistencia que presentaron los textos de proyecto de ley en cuanto a su tratamiento. Se abordará este tema desde un punto de vista multidisciplinario, incluyendo su compatibilidad con la normativa constitucional peruana y los estándares nacionales e internacionales sobre actividades aeronáuticas.
El control de constitucionalidad en Latinoamérica
Authors: Fonseca Sarmiento Carlos Alberto
Published: March 2022

En el presente artículo, el autor hace una descripción de los distintos sistemas de control de constitucionalidad incorporados en los países latinoamericanos con el fin de identificar cuáles son las mejores opciones para optimizar la defensa de la Constitución. Con este propósito, el autor identifica los 6 criterios más empleados para clasificar estos sistemas. Finalmente, utilizando estos criterios, el autor hace una evaluación del control de constitucionalidad en el Perú.
Object Oriented Programming Laboratory
Authors: D Jayaprakash , S J Deebak , K Manjuparkav , T Gokila
Published: March 2022

The indispensable intention for writing the manual for OBJECT ORIENTED PROGRAMMING using JAVA is to impart inclusive guidance for the students to learn object oriented programming technique for developing software using JAVA. The inspiration at the rear is to spotlight on the practical phase of programming. To implement this objective it has been included couple of examples regarding each topic. The manual provides complete programming guide for the students from beginning to some advanced level. The language is simple and stress-free to understand. Each lab ends with some exercises for best practice at lab and for home too. This manual is basically intended for the students but it can also be used by any person who wants to get the knowledge of Object Oriented Programming.
DIGITAL SYSTEMS LAB MANUAL
Authors: S Sivaprakasam , V Sivasakthi , V Govindaraj , M Prasanth
Published: March 2022

We have great pleasure in bringing out this text manual book entitled “DIGITAL SYSTEMS LAB MANUAL” for third semester Computer Science Engineering& information technology. This lab manual is designed for comprehensively covering all topics relevant to the subject. Each and every experiment topic has been explained in a very simple language as per the R2017 regulation syllabus prescribed from by the Anna University, Chennai. The details of the contents are summarized as follows.This manual book is concerned with basic concept of digital electronics such as binary system, logic levels, logic gates, Boolean rules, simplification of logic expression using Boolean laws and K-map, binary addition and subtraction, 1’s complement and 2’s complement arithmetic, Half adder, full adder, subtract , parallel adder, grey codes, BCD codes, parity bits, comparator and HDL languages etc. Theory as well as practical part of every experiment has been explained in a very simple language.We have tried our best to make the concept as clear as possible by giving practical knowledge of the subject. It is hoped that this manual book will be an immense use to teachers and students of Engineering college.
ELECTRICAL MACHINES LABORATRY
Authors: C Suresh , S Govindasamy , R Yuvaraj , C Srinivasan
Published: March 2022

This book on “ELECTRICAL MACHINES LABORATORY” covers the complete syllabus prescribed by the Anna University, Chennai for the third semester B.E(EEE). Degree course under Choice Based Credit System with the new regulation.The precautions and procedure of each experiment have been presented in simple language, relevant tables and diagrams are given wherever necessary.We are grateful to publishers for making us to publish this book. We sincerely acknowledge our colleagues and family members for their support.The students are advised to go through the procedures given in the book at least once, in order to get full benefit out of this book.Wish you all success in your career. “May God bless you all” We are thankful to our Chairman, members of Narasu’s Sarathy Institute of Technology Management, Principal for their constant encouragement in bringing out this book.
ADVANCED FOOTSTEP POWER GENERATION USING RFID FOR CHARGING
Authors: Chandra Dayal Priyanka Naresh , A.S Bhide
Published: March 2022

The advanced Footstep Power Generation using RFID for Charging System is innovated through various past researches. In this paper, historical perspectives used to establish the required system were provided. Due to which, the idea of invention of technologies done related to project.
Fixed-point models for paradoxical predicates
Authors: Castaldo Luca
Published: March 2022

This paper introduces a new kind of fixed-point semantics, filling a gap within approaches to Liar-like paradoxes involving fixed-point models à la Kripke (1975). The four-valued models presented below, (i) unlike the three-valued, consistent fixed-point models defined in Kripke (1975), are able to differentiate between paradoxical and pathological-but-unparadoxical sentences, and (ii) unlike the four-valued, paraconsistent fixed-point models first studied in Visser (1984) and Woodruff (1984), preserve consistency and groundedness of truth.
Keywords:  Semantic Paradoxes · Fixed-point semantics · Many-valued logic · Kripke’s theory oftruth
Algebra-valued models for LP-set theory
Authors: Jockwich Martinez Santiago
Published: March 2022

In this paper, we explore the possibility of constructing algebra-valued models of set theory based on Priest's Logic of Paradox.  We show that we can build a non-classical model of ZFC which has as internal logic Priest's Logic of Paradox and validates Leibniz's law of indiscernibility of identicals. This is achieved by modifying the interpretation map for $\in$ and $=$ in our algebra-valued model. We end by comparing our model constructions to Priest's model-theoretic strategy and point out that we have a tradeoff between desirable model-theoretic properties and the validity of ZFC and its theorems.
Wastewater Treatment XXI : Educational Program
Authors: Shchegolkova Nataliya , Vaynblat Valeriy
Published: March 2022

This study guide is an important and inalienable part of a project-based educational program on biological wastewater treatment. It pays special attention to constructed wetlands which can naturally fit into agricultural and urban landscapes, while having a high removal efficiency of all common types of pollutants. The program is designed for students who begin to study various wastewater treatment techniques, it can be used as a basic or supplementary study educational material.
Biodegradasi Naftena dalam Avtur oleh Kapang Paecilomyces sp
Authors: Kadarwati Sri
Published: March 2022

Avtur adalah bahan bakar minyak (BBM) untuk pesawat terbang yang menggunakan mesin jet danturbo jet. Kandungan utama avtur ialah senyawa hidrokarbon seperti parafin (alkana jenuh), olefin(alkana tidak jenuh), naftena (sikloalkana), dan aromatik. Di samping itu terdapat senyawa ikutan dalamjumlah sangat kecil berupa air, garam, dan senyawa lainnya (Smith, 1970, Hobson dan Pohl, 1972).Indonesia terletak di daerah tropis dengan curah hujan yang tinggi dan kelembaban di sekitar ambangkritis. Kelembaban udara ini berpengaruh pada keterlarutan air dalam avtur. Adanya air dalam avturwalaupun sedikit sekali (30 ppm) akan membantu pertumbuhan mikroba, karena air merupakan bahanutama yang dibutuhkan bagi pertumbuhannya. Bahanbahan lain adalah diperlukan untuk tumbuh terdapat dalam avtur, seperti karbon, hidrogen, oksigen, nitrogen, fosfor, dan mineral. Dalam keadaan lembab dan kehadiran unsur-unsur itu, besar kemungkinan mikroba dapat tumbuh dalam avtur. Hasil penelitian LEMIGAS, (1983), menunjukkan bahwa mikroba yang dapat tumbuh dalam avtur adalah bakteri, kapang, aktinomisetes, dan khamir. Paecilomyces sp. merupakan kapang yang paling banyak ditemukan dalam avtur di Indonesia (Sri Kadarwati, 1989). Menurut Domsch (1993) ada beberapa spesies dari Paecilomyces yang selain termotoleran dan dapat tumbuh dalam hidrokarbon juga dapat hidup di berbagai macam sumber karbon termasuk yang tidak lazim ditumbuhi mikroba. Atas dasar pertimbangan sifat-sifat Paecilomyces sp. tersebut yang juga merupakan kapang tropik, adalah menarik untuk dilakukan penelitian lebih lanjut, baik mengenai mekanisme maupun pengaruhnya. Maksud dan tujuan penelitian ini adalah untuk mengungkapkan pengaruh mikroba khususnya kapang Paecilomyces sp. pada kualitas avtur di Indonesia dan mempelajari hasil biodegradasi. Di samping itu akan dikaji pula kemungkinan mekanisme biodegradasi tersebut.
Penanggulangan Tanah Terkontaminasi oleh Limbah Minyak dari Kilang/Unit Pengolahan dengan “Bios Oil Removal” pada Skala Laboratorium (Tahap-I)
Authors: Zulkifliani Zulkifliani
Published: March 2022

Kilang minyak merupakan fasilitas proses pengolahan minyak bumi (crude oil) menjadi produk-produk Bahan Bakar Minyak (BBM) dan Non-BBM. Dalam prosesnya di samping diperoleh produk-produk yang bermanfaat juga dihasilkan material sisa yang tidak bermanfaat lagi (atau jika diproses membutuhkan biaya yang besar) dalam bentuk limbah padat, cair, dan gas. Komponen-komponen dalam limbah tersebut dapat berasal dari impurities minyak bumi itu sendiri atau berasal dari bahan-bahan kimia yang digunakan selama proses pengolahan minyak bumi. Limbah-limbah yang dihasilkan oleh industri migas secara umum diproses lagi sampai dinyatakan aman berdasarkan baku mutu limbah kilang minyak yang ditetapkan oleh pemerintah. Teknologi pengolahan limbah yang ada di industri migas menggunakan beberapa teknik di antaranya adalah teknik pengolahan limbah secara fisik/mekanik (mechanical separation), teknik secara kimia (chemical separation), dan teknik secara biologi (bioprocess). Teknologi pengolah limbah tersebut di atas dapat diaplikasikan secara terpisah atau dikombinasikan satu dengan lainnya sehingga diperoleh hasil yang maksimal. Di samping itu dampak yang lebih mengkhawatirkan adalah proses migrasi limbah minyak pada area di sekitarnya berbentuk gundukan (erupsi) di permukaan tanah. Gundukan-gundukan ini dapat timbul pada permukaan jalan atau dari bawah lantai bangunan, akibat yang ditimbulkannya dapat merusak dan membahayakan keberadaan fasilitas-fasilitas vital yang berada di atas atau sekitarnya, seperti refinery control room, jaringan pipa di bawah dan permukaan tanah serta sarana jalan
Peran Temperatur-Laju Alir Umpan pada Konversi Metanol Menggunakan Zeolit-TMA
Authors: Anwar Chairil
Published: March 2022

Proses MTG (Methanol to Gasoline) adalah salah satu contoh penerapan sifat selektif dari katalis terhadap produk reaksi. Proses ini merupakan bagian dari proses pengubahan gas bumi menjadi bahan bakar cair. Hidrokarbon yang dihasilkan dalam proses ini berupa senyawa aromatik dan alifatik, dan terutama sekali adalah senyawa dengan daerah titik didih bensin. Proses lain untuk mendapatkan bahan bakar dari gas bumi adalah melalui proses sintesis Fischer-Tropsch, yang sejarahnya lebih tua dari proses MTG, namun hingga dewasa ini proses Fischer-Tropsch masih mempunyai masalah dengan mahalnya biaya untuk memproduksi gas sintesis. Dalam perkembangan kedua proses di atas untuk mendapatkan bahan bakar dari gas bumi, alternatif mana pun yang dipilih peranan katalis merupakan bagian terpenting. Bahkan ada usaha dan menjadikan obyek utama penelitan untuk menggabungkan katalis zeolit dari mobil dan katalis Fischer-Tropsch. Konversi gas bumi menjadi bahan bakar cair bagi Indonesia akan sangat menarik karena kian banyak sumber-sumber gas bumi potensial yang jauh dari konsumen ditemukan. Tulisan ini merupakan hasil dari serangkaian penelitian untuk memperoleh bahan bakar cair dengan batasan meningkatkan kinerja katalis melalui proses dealuminasi-realuminasi, variasi temperatur dan laju alir umpan yang digunakan sebagai variabel dalam uji katalitik. Karakter katalis yang ditinjau antara lain adalah luas permukaan, volume pori, distribusi pori, nisbah Si/Al dan keasaman katalis.
Corrosion Inhibition Of Mild Steel In 1m HCL By Catechin Monomers From Commercial Green Tea Extracts
Authors: Nofrizal Nofrizal
Published: March 2022

The inhibitory effect of two Indonesian green tea extracts (containing various catechins) were investigated on the corrosion of mild steel (MS) in 1M HCl medium. The anticorrosion effect was evaluated by conventional weight loss method, potentiodynamic polarisation, electrochemical impedance spectroscopy (EIS) studies and scanning electron microscopy (SEM) technique. The results evidenced that both the tea extracts act as a good corrosion inhibitor and the inhibition effi ciencies (% IE) were in good agreement for all the studies. Adsorption of green tea extract constituent was found to follow Langmuir adsorption isotherm and the calculated Gibb’s free energy values indicated the physisorption of inhibitor over the mild steel surface. SEM – EDX studies show the adsorption of catechin monomers which forms a protective layer over the mils steel surface. High performance liquid chromatography (HPLC) analysis was carried out to quantify the catechin fractions in the tea extract and it was found that eight catechin monomers were present in both tea extracts. From all of monomers, it was found that four monomers were identifi ed as components responsible for controlling the dissolution of mild steel in 1 M HCl medium.
Preliminary Carbon Untilization And Storage Screening Of Oil Fields In South Sumatra Basin
Authors: Sugihardjo Sugihardjo , Usman Usman , Tobing Edward ML
Published: March 2022

Carbon utilization in oil fi elds as EOR project has becomes main issue nowdays. Therefore preliminary CO2-EOR screening has been done for the oil fi elds laid on South Sumatra Basin, where CO2 emission arise from a number different sources of activities in South Sumatra area. Around 103 oil fi elds and consisting 581 reservoirs have been analysis to select which of those fi elds fulfi ll CO2 injection criteria. The criteria applied of the selection are based on EOR Screening Criteria Revisited papers introducing by J.J Taber at. All. 1977. The results of the screening are categorized as miscible, immiscible and failed for CO2 injection. Afterward, CO2 storage and incremental oil recovery due to CO2 injection were calculated using equation normally used in the oil industries. The incremental oil recovery due to CO2-EOR has been assumed as high as 12% of OOIP at miscible process and only 5% for immiscible displacement. The calculation of CO2 storage is based on the ultimate primary recovery for each fi eld in addition of the additional recovery due to CO2-EOR. Both primary and tertiary recovery have been used as the basic of calculating the CO2 storage. The results of the screening whether reservoir categories in immiscible, miscible injection and failed to fulfi ll EOR-CO2 injection criteria can be summarized as follow: 18 fi elds immiscible, 77 miscible, and 7 failed. Total incremental oil recovery estimate from CO2-EOR is approximately 480.5 MMSTB. While the total CO2 storages estimate are about 70 MMton for voidage replacement due to production at ultimate recovery and 22 MMton at EOR-recovery, so the total CO2 storage is approximately 92 MMton.
A Study of Spontaneous Imbibition Recovery Mechanism of Surfactant Formulated from Methyl Ester Sulfonates
Authors: Sugihardjo Sugihardjo
Published: March 2022

MES (Methyl Ester Suffocates) can be formulated to become surfactant-MES that has surfactant potential properties for EOR (enhanced oil recovery). A such formulated surfactant MES by adding some solvents and chemicals to adjust its properties in order to generate a compatibity with reservoir fluid and rock has been developed. This formulated surfactant MES, therefore, has been tested its properties for enhanced oil recovery in a selected oil field. The oil field produces an oil withc39.45oAPI, and brine content of about 18,900 mg/L equivalent NaCl concentration. While reservoir rock is not available and substituted by Bentheimer standard core. Basically the production enhancements of surfactant solution for EOR processes are wettability alteration and interfacial tension reduction. In these experiments, some evaluations have been done to observe the capability the formulated surfactant MES for oil production enhancements includingwettability alteration and imbibition capability. Formulated low interfacial tension surfactant-MES that will be evaluated for spontaneous imbibition ability have been diluted in the brine of 0.5 and 1.0% concentrations. Tests on wettability alteration indicated that the surfactant solutions could not change the wettability of the rocks. The initial wettability is mixed wet and still mixed wet after ageing in the surfactant solution. On other hand the spontaneous imbibition tests resulted in significant oil production coming out from the cores, i.e. 67.07% oil recovery with 0.5% surfactant and 92.25% for 1.0% surfactant solutions. But optimum oil recovery factor by brine imbibition is only 41.69%
Environmental Impacts Of The Oil And Gas Platform Decommissioning
Authors: Desrina R , Anwar Chairil , Susantoro Tri Muji
Published: March 2022

Many of the oil and gas installations in the Indonesian Sea are reaching the end of their economic production life. Typically, oil and gas fields have an economic life of 20 to 40 years and a decommissioning program will be required and predicted to peak during the period 2010-2020. Some of them are located in shallow water such as those around Pulau Seribu, Java Sea, and South China Sea; some others are in deeper water such those at Makasar Straits and Moluccas Sea. Many different opinions exist on the benefits and problems of a partial platform removal or a complete removal. For some reasons platforms would be a good fishing spot. On the other hands, an unseen hazard could be left behind by the platforms. Even a complete removal of the platforms is conducted but without proper clearing of the ocean floor, the unused platforms still can cause hazards. For the management of the seas outside the territorial waters, worldwide nations have historically entered into international agreements and conventions. These agreements and conventions that have been entered into under the umbrella of the United Nations are Geneva Convention, the United Nations Convention on the Law of the Sea (UNCLOS) and the International Maritime Organization (IMO) Guidelines. Nationally, there is little information concerning with the decommissioning project. This paper is intended to highlight options for decommissioning of offshore platforms, its environmental impacts, and regulations that could be referred to following the decommissioning proposal. The technological aspects of the structural decommissioning of platforms are beyond the scope of this paper.
Palynological Study Of Pematang Formation Of Aman Trough, Central Sumatra Basin
Authors: Setyaningsih Christina Ani
Published: March 2022

The palynological study of Pematang Group of Aman Trough, Central Sumatra Basin is carried out To construct biostratigraphy of Pematang Group. The palynological analysis provide a zonal subdivision And bioevent identification as well as environment of depositional interpretation. The study uses cutting And core samples which were collected from wells namely Well A-1 and Well B-1. The age of the sediment Ranges from “not older than Middle Eocene” to “not younger than Oligocene”. Top Oligocene age is Identified by the last occurrence of Meyeripollis naharkotensis whilst the base Oligocene is uncertain. The Eocene age is defined by the occurrence of Florschuetzia trilobata and supported by the last occurrence of Cicatricosisporites eocenicus. The environment is deposited in alluvial fan to proximal lacustrine during Eocene to Late Eocene, then, changed into deltaic marine in Late Oligocene. Interestingly, the studied Sediment lacks of lacustrine elements suggesting the disappearance of lake deposit. The studied wells can be Separated into 5 events which are applicable within the studied area, from older to younger age as follow: The LO of Cicatricosisporites eocenicus, the fresh water apparent, and the freshwater prominent, the first Significant backmangrove, and the LO of Meyeripollis naharkotensis.