bluuebunny/crossref_metadata_2025 huggingface dataset:
The effects of interdepartmental customer orientation on distribution center performance
Authors: Scott Nancy M , Voss M Douglas , Keller Scott B , Schlosser Matt
Published: October 2020

Firms have begun to look internally for ways to increase external service quality. ANOVA is used to examine the effect of interdepartmental customer orientation on time, inventory, and customer service-based performance variables in distribution centers. Findings indicate that high interdepartmental customer orientation positively affects distribution center performance in terms of time-based performance measures and customer satisfaction. Interdepartmental customer orientation was found to have only a marginal affect on inventory performance. Implications of the current research for distribution centers and transportation managers are discussed along with limitations and opportunities for future research.
Truck driver turnover: an internal marketing perspective
Authors: Taylor Susan Lee , Cosenza Robert M
Published: October 2020

Carriers and industry analysts agree that driver turnover is the largest problem facingthe industry today. Truck drivers regularly move from one trucking company to another or they change to careers out of the industry. Opinions for high driver turnover are diverse, such as long hours and extended time away from home, poor advancement opportunities, a lack of respect, and old/uncomfortable equipment. In this article the authors examine the truck driver turnover problem from an internal marketing perspective. Membership, socialization, identity, structural, interpersonal, and environmental issues are examined as primary influences on desired quality of truck driver employment. Suggestions are made concerning the implementation of an internal marketing strategy that in the long run might significantlv enhance driver retention.
Mergers and alliances in the liner shipping industry: an historical perspective
Authors: Menachof David A , Damian Anthony
Published: October 2020

This article chronicles the history of mergers and alliances in the liner shipping industry during the past century before focusing on the latest wave of mergers to hit the industry Each merger wave in the liner shipping industry generally coincided with merger waves from the general industrial world. The incentive for each wave of mergers seemed to be different, with the most recent wave focusing on synergy between the merging companies. The reduction of competing firms through mergers has implications for the shipper and these are also examined.
Examining America’s logistics programs via the internet
Authors: Hanna Joe B , Compton William
Published: October 2020

This study uses the Internet and a two phase methodology to help gain insight into the current state of America’s logistics programs. Phase I examines logistics program structure while phase II employs a modified, electronic version of the Delphi technique to help examine global logistics education practices. The results of the research indicate that, while key differences exist in America’s logistics programs, academicians of the discipline largely agree on the relative importance of key functional areas of the discipline. However, a potential gap may exist between the skills addressed in logistics and business education programs and the skills required for successful global logistics practice.
The use of EDI and internet technologies in the U.S. motor carrier industry
Authors: Clarke Richard L
Published: October 2020

Computer to computer data exchange by companies in a supply chain have been wellrecognized as an effective means of reducing cost and decreasing paperwork errors. In many cases, manufacturers, wholesalers, and retailers have become electronically linked to better manage inventory, ordering, and billing information. However, supply chains, by definition, also include common carriers that move goods between supply chain partners but may not have a long-term relationship with either the shipper or his customers. This could be the missing or weak link in an otherwise effective supply chain. The purpose of this paper is to examine the state-of-the-art of EDI in the motor carrier industry to identify possible trends.
De clasistas a burócratas: el devenir de una traición. Acerca de la construcción moral del enemigo en un sindicato de la industria del pescado (Mar de la Plata-Argentina, 1997-2007)
Authors: Colombo Guillermo José , Colombo Guillermo José
Published: October 2020

La noción de burocracia sindical es usualmente utilizada para describir el accionar de determinados líderes gremiales a los que se caracteriza como reformistas, poco democráticos, defensores de sus propios intereses y proclives a la integración con el Estado. La categoría ha sido generalmente usada más para condenar que para explicar. Este trabajo se basa en el análisis de las contiendas gremiales en un sindicato de la industria pesquera en Mar del Plata, Argentina. A través de trabajo de archivo y trabajo de campo, indagué el concepto de burocracia a partir del significado que ocupa en las batallas sindicales, en las que recurrentemente se construye al enemigo no solo como burócrata sino también como traidor.
SEGREGAÇÃO SOCIOESPACIAL E ÉTNICO-RACIAL EM MEGACIDADES, GRANDES CIDADES E CIDADES GLOBAIS AFRICANAS
Authors: Velame Fabio Macedo , Costa Thiago Augusto Ferreira da
Published: October 2020

O objetivo deste artigo é apresentar uma reflexão a respeito dos fenômenos estruturais que culminaram na segregação socioespacial e étnico-racial, que ocorre atualmente em megacidades, grandes cidades e cidades globais na África. Para isso, será feita, de início, uma apresentação de questões futuristas que atravessam as discussões contemporâneas de urbanização africana. Em seguida, serão abordadas questões históricas e discursos presentes em alguns países africanos, e que ajudam a explicar aspectos étnicos, raciais, sociais e espaciais perpetuados no espaço urbano. Esses aspectos contarão com exemplos de cidades de países africanos subsaarianos, onde a superpopulação e os altos investimentos estrangeiros no mercado imobiliário agravam os efeitos segregacionistas.
The case of inherited chromosomal integrated human herpes virus type 6b in child with recurrent respiratory tract infections
Authors: Nikolsky M. A. , Vyazovaya A. A. , Lioznov D. A. , Narvskaya O. V. , Smirnova N. N.
Published: October 2020

The five years old boy with recurrent respiratory tract infections was under observation of infectiologist due to high levels of human herpes virus type 6 (HHV-6), found in patient’s blood and saliva during a few years. The patient got the medicines against the HHV-6, without any effect. We investigated the patient’s and his mom’s nails and found the HHV-6 type B, so it was inherited chromosomal integrated HHV-6. Thus, to avoid the unnecessary treatment, in case of repeated high level of HHV-6, we need to exclude chromosomal integrated HHV-6.
Safety of pertussis vaccines for adolescents
Authors: Kostinov M. P. , Prutskova E. V. , Cherdantsev A. P. , Feiskhanova G. R. , Kostinov A. M. , Vlasenko A. E. , Polishchuk V. B.
Published: October 2020

Aim: to investigate the safety of acellular pertussis vaccines for adolescents.

Materials and methods. The clinical tolerability of revaccination against pertussis (cell-free component), diphtheria and tetanus was analyzed in 107 children aged 13,5–14 years. Group 1 consisted of children revaccinated with DTacP-IPV combined vaccine (Tetraxim), group 2 – vaccinated with Td and group 3 – children who received Tdap vaccine (Adacel).

Results. Statistically significant differences in the frequency of local reactions between the group that received Tdap and the other two (DTacP-IPV and Td) were detected (p = 0.001and p = 0.04, respectively). Analysis of the structure of local reactions revealed a difference only in the occurrence of the hyperemia at the site of injection, with the most frequent registration in the groups of children vaccinated with DTacPIPV (29,4%) and Td (14,7%), whereas in patients vaccinated with Tdap – only in 5,9% (χ2 = 6,8 p = 0,03). Systemic reactions occurred with the same frequency in all studied groups and did not require medical correction, as well as local reactions. Thus, revaccination against pertussis, diphtheria and tetanus of adolescents using Tdap, containing the acellular pertussis component, does not exceed the frequency of systemic reactions and the number of local reactions is significantly lower in comparison with the vaccine with a reduced content of diphtheria and tetanus toxoids (Td) that is used in practice for a long time.
Epidemiological and clinical features of acute respiratory infections occurring in St. Petersburg during the 2017–2018 and 2018–2019 epidemic seasons
Authors: Guzhov D. A. , Elpaeva E. A. , Egorova M. A. , Eder V. A. , Baranovskaya I. L. , Klotchenko S. A. , Tokin I. I. , Vasin A. V.
Published: October 2020

Objective: to analyze the epidemiological and clinical features of acute respiratory infections occurring during the St. Petersburg 2017–2018 and 2018–2019 epidemic seasons.

Materials and methods: the study included 457 patients, treated in St. Petersburg clinics from 2017–2019, displaying symptoms of acute respiratory infection (ARI), including evaluation of their clinical histories. Pathogen types were determined by polymerase chain reaction (PCR). Data analysis was carried out using mathematical statistics methods using the Statistica 10 software package (StatSoft Inc.).

Results: in this study, we examined the epidemiological and clinical features of acute respiratory infections in St. Petersburg occurring during two epidemic seasons, 2017–2018 and 2018–2019. The 2017–2018 season was characterized by a prevalence of infections caused by influenza B viruses and influenza A subtype H3N2 viruses. In the 2018–2019 season, there was a greater number of acute respiratory viral infections (ARVIs) and infections caused by influenza A subtype H1N1pdm; influenza B virus was detected only in isolated cases. In the 2017–2018 sore throats and muscle aches were a characteristic symptom of influenza A H1N1pdm infections, of bacterial infections – only sore throats. It was shown that throat pain and vasodilation of the scleral and soft palate vessels were significantly more frequent in the 2017–2018 season, compared to the 2018–2019 season. Cough and redness of the posterior pharyngeal wall were hallmark signs of ARVIs in the 2018–2019 season.

Conclusion: according to the data, each epidemic season is characterized not only by its own type-specific acute respiratory infection frequencies, but also by different clinical manifestation frequencies. For global monitoring, treatment effectiveness evaluation, and refined study of acute respiratory infection clinical features, it is advisable to use approaches which incorporate accurate, specific, and rapid molecular biological methods capable of identifying a broad range of pathogens.
Dentistry in the eyes of medical students
Authors: Nikolic Marija , Golubovic Mina , Velickovic Ivana , Stankovic Antonije , Popovic Jelena , Mitic Aleksandar , Barac Radomir
Published: October 2020

Introduction. It is known that patients primarily come to general
practitioners asking for help with oral disease. Although the matter falls
out of the frame of `traditional` medical practice, ethical guidance suggests
that doctors should examine one`s oral cavity with the aim of recognizing
symptoms which treatment could improve the quality of oral and general
health leading to an early discovery of potentially severe diseases. The aim
was to examine the habits and attitudes of medical students and graduates
who are interns related to oral health care, their knowledge of oral cavity
diseases and systematic diseases with symptoms manifested in oral cavity, as
well as their knowledge of patients who are at risk from dental
interventions. Material and methods. The survey was conducted on the sample
of 100 subjects. The questionnaire consisted of 16 questions. The results
were collected and statistically analyzed. Results. The majority of subjects
go to the dentist only after the toothache starts. Although 84% of medical
students make sure to check oral cavity while taking medical history, more
than half of the examined medical students would not send the patient to
dentist for consultation. Every tenth student was not able to state other
local disease of oral cavity apart from tooth decay. Even 6% of examined
students classified the tooth decay as an aesthetic problem. Half of
examined students considered their study program needed course in the field
of dentistry. Conclusion. Medical students are not well informed about the
field of oral hygiene and pathology of oral cavity. Interdisciplinary
cooperation of General Practitioners and Dentists is important.
Primary intraosseous leiomyosarcoma of the nasal and paranasal cavities: A case report
Authors: Milosevic Nikola , Stojanovic-Rundic Suzana , Milanovic Srdjan , Dozic Marko
Published: October 2020

Leiomyosarcomas belong to one of the histological subtypes of soft tissue
sarcomas. They most often occur in genital, gastrointestinal tract and
extremities, and the appearance of these tumors in the bones (especially
head and neck) is very rare. Clinically, leiomyosarcomas are aggressive
tumors. Treatment is multidisciplinary and includes surgery, radiotherapy,
and chemotherapy. This case report presents a 61-year-old patient who was
referred to a maxillofacial surgeon due to congestion of the right side of
the nose, pain in the right eye, and occasional epistaxis. After complete
examination, including biopsy with histopathology and immunohistochemistry,
primary intraosseous leiomyosarcoma of the nose and paranasal cavities was
diagnosed. Since the tumor lesion was assessed as inoperable, the treatment
started with radiotherapy. Two and half years after the radiotherapy was
completed, there was good local control of the disease and no dissemination.
The case report illustrates the rarity of localization, challenges and
difficulties in multimodal treatment, and contribution of radiotherapy to
good treatment results.
Class II Division 1 malocclusion treatment using TADs: Case report
Authors: Pajevic Tina , Juloski Jovana , Zivkovic Marija
Published: October 2020

Introduction. Orthodontic treatment of Class II Division 1 (II/1)
malocclusions in adults can be challenging since skeletal effects are
limited. Possible treatment options are orthodontic camouflage or
orthognatic surgery, in severe cases. The aim of this paper was to present a
successful management of Class II malocclusion in an adult patient using
temporary anchorage devices (TADs). Case report. After detailed clinical
examination, study models and cephalometric analysis, a 26 years old patient
was diagnosed with Class II malocclusion, an overjet of 12 mm, congenitally
missing tooth 41 and midline shifted to the right in upper dental arch. In
prior orthodontic treatment, patient had upper premolars extracted.
Posterior teeth in upper left quadrant were shifted mesially. The camouflage
treatment was considered, using temporary anchorage devices (TADs) to
distalize posterior teeth on the left side, and gain space for incisor
retraction and midline correction in upper dental arch. Results. Using TADs
as additional anchorage in anterior region and coil spring for molar
distalization, the space was made for tooth 23, midline correction and
incisor retraction. After 40 months, a satisfactory result was achieved,
overjet and midline correction, class I canines occlusion and class II molar
occlusion. Conclusion. Class II/1 malocclusion in adults can be successfully
treated using TADs. The success depends on the severity of malocclusion and
patient cooperation.
Maxillary bone necrosis following the use of formaldehyde containing paste: Case report
Authors: Radovic Igor , Davidovic Lado , Cicmil Smiljka , Tomic Slavoljub , Ivanovic Dragan , Bjelovic Ljiljana
Published: October 2020

Many of medicaments used historically in root canal treatment have been shown
to be cytotoxic. Paraformaldehid agents (such as Toxavit and Depulpin) are
used to devitalize inflamed pulp when local anesthesia is ineffective. The
misuse of pulp devitalizing agents may cause damage to gingiva and alveolar
bone. This case report demonstrates complications arising after application
of paraformaldehyde containing paste, necrosis of the gingiva and alveolar
cortical bone, which resulted in great loss of supporting bone. Surgical
intervention was required wherein necrotic bone was removed and bone defect
was filled with xenograft of bovine origin. After three months endodontic
treatment was performed. After the treatment, the patient?s complaints were
resolved. The use of paraformaldehyde-based agents during endodontic therapy
requires special caution.
Diffusion-weighted magnetic resonance imaging in evaluating malignant lymph node invasion in patients with female genital neoplasms
Authors: Basta-Nikolic Marijana , Nikolic Dragan , Stojanovic Sanja , Djurdjevic Srdjan , Nikolic Olivera , Till Viktor
Published: October 2020

Background/Aim. Functional imaging, including diffusion-weighted magnetic resonance imaging (DWI MRI) and apparent diffusion coefficient (ADC) map, provides promising results in discrimination benign from malignant pelvic and inguinal lymph nodes in patients with gynecological malignancies. The aim of the study was to assess diagnostic performances of DWI in differentiation between benign and malignant pelvic and inguinal lymph nodes in patients with gynecological malignancies. Methods. The prospective clinical study was conducted at the Clinical Center of Vojvodina, Serbia, from 2013 to 2016, comprising 80 patients with malignant gynecological tumors. Preoperatively, all patients underwent MRI examination, followed by standard surgical treatment with complete pelvic and/or inguinal lymphadenectomy. A combination of ADC value criteria and size-based criteria yields MRI the following diagnostic performances in discrimination between benign and malignant lymph nodes: sensitivity 95%, specificity 92%, overall accuracy 92.5%, positive predictive value 46%, and negative predictive value 99.6%. Histopathological examination of surgically removed material and lymph nodes separated in pelvic and inguinal anatomic groups was performed after the surgery. Results. A total of 2,320 lymph nodes were mapped and histopathologically examined in 80 patients included in the study. Metastases in lymph nodes were histopathologically confirmed in 28 (35%) patients. Measured ADC values were significantly lower in metastatic (mean ? standard deviation (SD), ADC: 0.8725 ? 10-3 ? 0.0125 ? 10-3 mm2/s) than benign lymph nodes (mean ? SD, ADC: 1.116 ? 10-3 ? 0.1848 ? 10-3 mm2/s; p = 0.001). If ADC value of 0.860 ? 10-3 mm2/s was determined as a cut-off value for discrimination between benign and malignant lymph nodes, DWI sensitivity was 89%, specificity 85%, and overall accuracy was 86%, positive predictive values 30%, and negative predictive value 99%. Conclusion. DWI MRI sequence is a fast, simple, non-invasive method that aids significantly to MRI diagnostic performances in dis-crimination between benign and malignant pelvic and inguinal lymph nodes.
Diagnostic applications of the "pattern" electroretinography and visual evoked potentials in the evaluation of disorders of visual pathway function in Parkinson’s disease
Authors: Stamenovic Jelena , Zivadinovic Biljana , Djuric Vanja , Ljubisavljevic Srdjan
Published: October 2020

Background/Aim. In spite of continuous research efforts, specific laboratory, neuropsychological or neurophysiological tests for diagnosing Parkinson?s disease (PD) have not been established. The aim of the study was to determine the nature and extent of visual pathway disorders on ?pattern? electroretinography (PERG) and visual evoked potentials (VEPs) in certain stages of PD. Methods. The study was carried out in a group of 60 persons of both sexes who were suffering from idiopathic PD at the I?IV stage of the disease according to the Hoehn and Yahr scale, and 30 healthy persons in the control group. The battery of noninvasive neurophysiological tests was used to estimate the functional status of the visual pathway ? PERG and VEPs. Results. In the early phase of PD, there was a linear increase in the latency of the wave N50 of the PERG and the wave P100 of the VEPs, with a significant extension of the latency of the N50 and P100 waves in subsequent stages of PD. Diagnostic application of the PERG and VEPs enabled the confirmation of a disorder in the visual pathway function in PD. Conclusion. Applied neurophysiological techniques may record early changes in the function of retinal structures and the optic nerve in PD, which might be significant from both the diagnostic and therapeutic aspects.
Minimally invasive treatment of transorbital penetrating injury of skull base and cavernous sinus: A case report
Authors: Jelaca Bojan , Djilvesi Djula , Vladimir Papic , Pajicic Filip , Lepic Milan , Vulekovic Petar
Published: October 2020

Introduction. A transorbital intracranial injury with a foreign body can be a very complex and controversial therapeutic problem. The orbit's content is susceptible to penetrating trauma, and neurovascular skull base structures are at high risk from injury. There are some traditional cranial surgical approaches and more recently reported different endoscopic approaches for treating this kind of injury. Case report. We presented a case of a 30-year-old male who had an accident at work when a piece of wood hit him in his head and entered through the medial aspect of his left orbit with skull base and cavernous sinus injury. Rapid and complete radiological and clinical assessments were performed, and the patient was treated in a minimally invasive manner. The foreign body was manually extracted with an endoscopic and endovascular team ready to treat adverse events. No postoperative complications were reported, and visual acuity increased at the one-month follow-up. Conclusion. Penetrating wounds of the orbit represent a challenge that re-quires a multidisciplinary assessment and well-organized management. Combined endoscopic minimally invasive approaches should be considered during the treatment of this kind of injury.
Comparative histochemical and morphometric analysis of muscle fibers of the psoas muscle in individuals of both genders with ageing
Authors: Antic Vladimir , Stojiljkovic Nenad , Antic Milorad
Published: October 2020

Background/Aim. There is a reduction of the psoas muscle with aging, and histopathological analysis (HPA) on postmortem material also shows its significant changes with advancing age. The aim of this study was to determine the presence and distribution of types I and II muscle fibers in the human psoas muscle in individuals of different ages and genders. Methods. The material consisted of tissue samples of the right iliopsoas muscle taken from 30 adult cadavers (18 males and 12 females), aged from 30 to 90 years, divided into three age groups. The material was obtained from the Institute of Forensic Medicine, Faculty of Medicine, University of Nis, Serbia. Hematoxylin and eosin (H&E) staining was used in the H PA of muscle cells. Results. The values of astereological parameters (area, perimeter, and Feret's diameter) of type I and type II muscle fibers were greater in male cases in comparison with female ones, although with no statistically significant difference. Based on the histochemical and morphometric analysis, it was concluded that, after 70 years of life, a loss of type II muscle fibers occurred, which was more conspicuous in female cases. Conclusion. During aging, the loss of type II muscle fibers, as well as the atrophy of type I and type II muscle fibers, demonstrate similar dynamics in both genders.
Public trust and media influence on anxiety and depression levels among skilled workers during the COVID-19 outbreak in Serbia
Authors: Markovic Ivan , Nikolovski Srdjan , Milojevic Stefan , Zivkovic Dragan , Knezevic Snezana , Mitrovic Aleksandra , Fiser Zlatko , Djurdjevic Dragan
Published: October 2020

Background/Aim. Along with the great impact of 2019 coronavirus disease (COVID-19) on physical health, social functioning, and economy, this public health emergency has significant impact on mental health of people as well. The aim of this study was to assess the impact of outbreak-related information and public trust in the health system and preventive measures during the COVID-19 outbreak in Serbia in 2020 on levels of anxiety and depression in education, army and healthcare professionals. Methods. An anonymous questionnaire was disseminated to skilled professionals working in fields of education, army, and healthcare. The questionnaire included the Beck Anxiety Inventory, Zung Self-Rating Depression Scale, as well as the section assessing the perceived disturbance by the outbreak-related information and the trust of participants in healthcare system and preventive measures proposed by the crisis team. Results. Out of 110 subjects enrolled in this study (mean age 35.25 ? 9.23 years), 59.1% were women. Among healthcare workers, the frequency of perceiving outbreak-related information available in public media as disturbing, as well as the average level of anxiety, were higher compared to the group of army professionals (p < 0.05). Women also perceived outbreak-related information available in public media as disturbing in a higher percentage compared to men (p < 0.01), and had higher levels of anxiety (p = 0.01) and depression (p < 0.05). The lack of public trust was associated with higher levels of depression, and the perception of outbreak-related information as disturbing with higher levels of both anxiety and depression. Conclusion. Significant perception of outbreak-related information as disturbing among healthcare workers, as well as the lack of trust in healthcare system and preventive measures proposed by the crisis team are important factors influencing the mental state. This finding has the guiding purpose for competent institutions to make efforts to increase public trust, as one of the important preventive measures, in order to preserve and improve the mental well-being of the population in outbreak conditions.
Relationship among the quality of cognitive abilities, depression symptoms, and various aspects of handgrip strength in the elderly
Authors: Jovanovic Stevan , Trajkov Marija , Dopsaj Milivoj , Arsic Sladjana , Milosevic Radovan , Stojanovic-Jovanovic Biljana , Pavlovic Dragan
Published: October 2020

Background/Aim. Both the cognitive and physical functioning changes occur within the normal aging, suggesting possible common biological processes. The aging process is often characterized by a reduction of adaptive responses, an increasing vulnerability and functional limitations. The aim of this study was to determine if there were correlations between particular cognitive abilities (verbal ability, spatial ability, processing speed, memory, verbal fluency, divergent thinking, memory, attention, executive functions, conceptualization, orientation, computation), depression symptoms and different dynamometric parameters of muscle contraction, during handgrip (HG) of both hands, in the elderly population. Methods. The sample consisted of 98 participants, 16 males and 82 females, aged from 65 to 85. Neuropsychological assessment included Montreal Cognitive Assessment (MoCA), Frontal Function Test (Go/No-Go), Categorical and Phonemic fluency tests and Geriatric Depression Scale Short Form (GDS-SF). Physical measures were assessed by Handgrip Dynamometry Tests (HG), and included: the maximum force (Fmax), maximal rate of force development (RFDmax), static endurance HG time realized at 50% of maximal HG force (tFmax50%) of dominant (Do) and non-dominant (NDo) hand. Results. Higher MoCA score was followed by higher values of muscle endurance of dominant hands. Higher values of F max of dominant hand were associated with higher values of Alternating Trail Making that is by visuoconstructive abilities (MoCA). The variable Categorical fluency was in a small, positive correlation with Fmax. No correlation of depressive symptoms with HG parameters was found except in the subgroup of female subjects. Conclusion. Better cognitive performance was associated with better HG muscle strength. Therefore, HG strength can be a useful tool in geriatric practice in monitoring not only physical, but also cognitive function status and de-cline. The link between lower cognitive functioning and lower values of HG variables, emphasize the need for in-creased awareness about it in clinical practice.
Melanophilin accelerates insulin granule fusion without predocking to the plasma membrane
Authors: Admin Ada , Wang Hao , Mizuno Kouichi , Takahashi Noriko , Kobayashi Eri , Shirakawa Jun , Terauchi Yasuo , Kasai Haruo , Okunishi Katsuhide , Izumi Tetsuro
Published: October 2020

Direct observation of fluorescence-labeled
secretory granule exocytosis in living pancreatic β cells has revealed
heterogeneous prefusion behaviors: some granules dwell beneath the plasma
membrane before fusion, while others fuse immediately once they are recruited
to the plasma membrane. Although the former mode seems to follow sequential
docking-priming-fusion steps as found in synaptic vesicle exocytosis, the
latter mode, which is unique to secretory granule exocytosis, has not been
explored well. Here, we show that melanophilin, one of the effectors of the
monomeric GTPase Rab27 on the granule membrane, is involved in such an
accelerated mode of exocytosis. Both melanophilin-mutated leaden mouse and melanophilin-downregulated human pancreatic β
cells exhibit impaired glucose-stimulated insulin secretion, with a specific
reduction in fusion events that bypass stable docking to the plasma membrane. Upon
stimulus-induced [Ca2+]i
rise, melanophilin mediates this type of fusion by dissociating granules from
myosin-Va and actin in the actin cortex and by associating them with a fusion-competent,
open form of syntaxin-4 on the plasma membrane. These findings provide the
hitherto unknown mechanism to support sustainable exocytosis by which granules
are recruited from the cell interior and fuse promptly without stable
predocking to the plasma membrane.
Comparative investigation on single laser beam and dual laser beam for lap welding of aluminum alloy
Authors: Chen Lin , Mi Gaoyang , Zhang Xiong , Wang Chunming
Published: October 2020

Aluminum alloy is considered to be one of the ideal materials for light-weighting on aerospace and new energy automotive. Laser welding without a filler wire is an efficient way for weight reduction. The common defects in laser welding of aluminum alloys are porosities and cracks, resulting in poor mechanical performances and short service life of joints. In order to investigate the methods to suppress defects, 1 mm thick automotive aluminum alloy AA6014 was performed for single and dual-beam laser lap welding in this study. The effects of two welding processes on microstructure, cracks, and mechanical properties were investigated. The results showed that the welding adaptability of dual laser beam lap welding was much better than single laser beam lap welding. Well-formed weld could be obtained in a suitable line energy range by both welding processes. The dual beam with an energy ratio of 1:1 was at an angle along the welding direction, which could increase the molten pool area and stir the weld pool more sufficiently. Thus, dual laser beam lap welding could significantly increase the welding speed and alleviate collapse caused by single laser beam welding. The gaps of lap welding tended to be crack sources and generate cracks, while dual-beam laser welding was advantageous for reducing such cracks. This research is of great significance to improve the laser welding quality of all-aluminum automotive bodies, increase production efficiency, and further reduce the weight of the automotive.
Ilon Wikland – ett konstnärsliv
Authors: Lassén-Seger Maria
Published: October 2020

Abstract: Ilon Wikland – an Artist’s LifeMaria Lassén-Seger (Åbo Akademi University) reviews Ilon Wikland – ett konstnärsliv (Ilon Wikland – an Artist’s Life) written by Enno Tammer and translated by Maarja Talgre.
Reinbow Your Happy Kidney: The Innovative Solution to Support Dialysis Patients to Reach Their Nutritional Goals
Authors: Sandra Gressard
Published: October 2020

REINBOW, the innovative application solution for Dialysis patients to reach their nutritional Goals.
Laboratory attitudes and practices in the conservation of biological tissues for research purposes in Cote d'Ivoire
Authors: Kintossou Ambroise Kouamé , N'Dri Mathias Kouamé , Money Marcelle , Diané Maxime Kouao , Cissé Souleymane , Soumahoro Man Koumba , Coulibaly Amadou Founzégué , Djaman Joseph Allico , Dosso Mireille
Published: October 2020

Background : Since 2009, Côte d'Ivoire has had a biobank, which now houses the ECOWAS regional biobank. This biobank intends to set up a biological tissue bank for research. In Côte d'Ivoire, several public and private structures handle biological tissues. However, we do not know which ones are involved in the conservation of biological tissues and their related procedures. To ensure optimal conservation of biological tissues at the biobank of Côte d'Ivoire, it is necessary to conduct a study on the state of the art of tissue preservation in Côte d'Ivoire. The objective of our work is to know the attitudes and practices of biological tissue preservation in Côte d'Ivoire.Methods : This is a descriptive study carried out in biological analysis laboratories in the south of the Ivory Coast.Results : A total of 66 laboratories agreed to answer the questionnaire that was proposed to them. Among them, only 21.21% kept biological tissues, of which 42.86% were human tissues, 35.71% animal tissues and 21.43% plant tissues. Human tissuesz were stored in formalin at room temperature for a period ranging from 2 weeks to 6 months. Animal biopsies and surgical specimens were stored in formalin and at -80°C for an indefinite period of time. Plant tissues were stored at room temperature and +4°C for an indefinite period of time.Conclusion : The conservation quality of biological tissues still needs to be improved.
I Implementasi Sistem Hermitian Generalized LED Index Modulation (H-GLIM-OFDM) pada Board FPGA Xilinx Arty Artix-7
Authors: Yuniati Yetti
Published: October 2020

Abstrak— Komunikasi nirkabel menjadi jenis komunikasi yang digunakan secara luas, spektrum radio yang umumnya digunakan dalam komunikasi nirkabel menjadi tidak cukup untuk memenuhi tuntutan yang tinggi. Visible Light Communication (VLC) menjadi solusi untuk mengatasi kapasitas bandwidth yang kurang memadai ini. Orthogonal Frequency Division Multiplexing (OFDM) menjadi teknik yang dikembangkan untuk sistem komunikasi cahaya tampak karena pada teknik OFDM frekuensi yang digunakan saling orthogonal dan memungkinkan overlap antar frekuensi tanpa menimbulkan interferensi satu sama lain sehingga menghasilkan kecepatan transfer data yang tinggi. Jurnal ini membahas tentang Implementasi Sistem Hermitian Generalized LED Index Modulation (H-GLIM-OFDM). Skema dari H-GLIM-OFDM ini dirancang dalam System Generator pada bahasa pemograman Matlab. Desain di implementasikan dalam FPGA dan diterapkan dengan spesifikasi Arty Board Xilinx Artix-7. Field Programmable Gate Array (FPGA) merupakan perangkat semikonduktor yang dapat diprogram secara fleksibel dan dapat melakukan kinerja yang tinggi untuk implementasi VLC. Hasil yang didapat pada simulasi ini yaitu menggunakan pemanfaatan sumber daya desain 5% BRAM, 11% dari DSP, 8% dari LUT, 18% dari IO, dan 3% BUFG.

 

Kata Kunci : H-GLIM-OFDM, FPGA Arty Artix-7, Visible Light Communication, Vivado, System Generator
Rancang Bangun Inverter Pada Generator Aksial Satu Phasa
Authors: Apriani Yosi
Published: October 2020

Inverter dapat mengubah arus listrik searah (DC) menjadi arus listrik bolak-balik (AC), dari tegangan input 12 V DC menjadi tegangan output 220 V AC, dengan kebutuhan daya tergantung dari kebutuhan beban yang terpasang pada inverter. Inverter dirancang pada daya maksimum 400 W dan daya aki/baterei inverter sebesar 600 W. Tujuan penelitian ini adalah membuat suatu perangkat elektronik yang bisa menjadi sumber energi listrik dengan mengubah arus DC menjadi arus AC, yang memanfaatkan baterei/aki sebagai sumber energi listrik arus DC. Metode penelitian yang digunakan dalam penelitian ini menggunakan diagram flowchart yang memiliki tahapan sebagai berikut: 1). Merancang rangkaian inverter, 2). Merakit rangkaian inverter sesuai rancangan, 3). Menguji hasil rancang bangun inverter dengan menggunakan lampu pijar, 4). Menghitung dan menganalisa hasil perancangan. Hasil penelitian didapat daya output Inverter tegangan tinggi 220 V AC dengan beban 360 W akan mencapai daya maksimal inverter sebesar 402,77 W. Besarnya daya output ini dipengaruhi oleh arus standby inverter sebesar 0,317 A.
ANALISIS EFEKTIVITAS MEDIA PEMBELAJARAN E-LEARNING DALAM MENINGKATKAN HASIL BELAJAR SISWA SMA PADA PELAJARAN FISIKA
Authors: Affandi Muhammad Rayhan , Widyawati Maryscha , Bhakti Yoga Budi
Published: October 2020

Pendidikan merupakan kebutuhan sepanjang hayat. Setiap manusia membutuhkan pendidikan dimanapun ia berada dan sepanjang hidupnya. Dalam proses pembelajaran yang berkualitas terdapat beberapa aspek yang turut mempengaruhi salah satunya penggunaan media pembelajaran yang inovatif. Pada mata pelajaran fisika guru cenderung kurang kreatif dan inovatif dalam menerapkan media pembelajaran saat mengajar,sehingga kurangnya motivasi belajar siswa yang dapat mempengaruhi hasil belajar siswa. Perkembangan teknologi informasi dan komunikasi sekarang membuat media pembelajaran semakin berkembang salah satunya berbentuk e-learning. E-learning merupakan sebuah inovasi yang mempunyai kontribusi sangat besar terhadap perubahan proses pembelajaran sehingga guru mendapat media pembelajaran yang inovasi untuk diterapkan didalam kelas dan siswa pun tidak akan jenuh dalam pembelajaran. Untuk mengetahui apakah pengunaan media pembelajaran e-learning efektif dalam meningkatkan hasil belajar siswa maka kami melakukan penelitian dengan metode meta-analisis yaitu menggabungkan hasil 2 atau lebih penelitian sejenis yang menunjukan bahwa media pembelajaran e-learning sangat efektif dalam meningkatkan hasil belajar siswa dengan nilai efektifitas terendah 41,00% sampai tertinggi 94,47% dengan rata-rata 78,36%.
Analisis Situasi Penggunaan Google Classroom pada Pembelajaran Daring Fisika
Authors: Agung Mahardini Maya Mahitsa
Published: October 2020

Analisis Situasi pembelajaran daring Fisika dengan menggunakan Google Classroom.. Desain penelitian yang digunakan adalah kualitatif deskriptif. Responden dalam penelitian ini yaitu peserta didik dan Guru Mata Pelajaran  Fisika di SMAN 1 Pedes. Fokus penelitian ini yaitu situasi pembelajaran daring Fisika dengan menggunakan Google Classroom. Teknik pengumpulan data meliputi wawancara, dan observasi. Teknik analisis yaitu reduksi data, display data dan penarikan kesimpulan. Hasil penelitian menunjukkan perubahan metode pembelajaran fisika konvensional berupa tatap muka antara guru dengan peserta didik di kelas yang dilakukan dengan pemaparan materi, diskusi, tanya jawab ataupun praktikum  menjadi metode daring menggunakan Google Classroom mempunyai kelebihan dan kekurangan  yang dirasakan oleh guru maupun peserta didik. Kelebihannya diantaranya guru dapat menggunakan berbagai media untuk proses pembelajaran, baik yang terdapat dalam Google Classroom atau media lain yang bisa ditautkan pada classroom tersebut. Sedangkan kekurangannya yaitu permasalahan jaringan maupun keterbatasan kuota yang dimiliki peserta didik bisa menjadi penghambat dalam proses pembelajaran, pun begitu pula dengan rendahnya tingkat keaktifan peserta didik dalam proses pembelajaran. Selain itu, guru merasakan adanya kesulitan untuk menjelaskan materi yang terdapat persamaan-persamaan fisika, peserta didik pun mengalami kesulitan dalam memahami materi tersebut yang berdampak pada rendahnya kemampuan peserta didik menyelesaikan soal hitungan.Dalam menghadapi kendala tersebut, sudah dicoba dilakukan pemberian materi dibatasi pada kompetensi-kompetensi dasar yang esensial dan dibuatkan suatu media pembelajaran dengan bahasa sederhana yang lebih mudah dipahami oleh peserta didik.Kata Kunci : pembelajaran daring, pembelajaran fisika, Google Classroom, kualitatif deskriptif
Disputar la autoridad
Authors: Caviglia Mariana
Published: October 2020

La autora recupera el debate sobre la autoridad etnográfica que se produjo en la antropología a partir de las corrientes posmodernas que redujeron la cultura,la etnografía y la reflexividad a la textualidad, y aborda los principales cuestionamientos a los supuestos en los que se funda esta concepción y la problematización sobre las formas de construcción de la autoridad, desde la asunción de la etnografía como perspectiva y método de conocimiento.
Redesain Dan Analisa Kelayakan PLTMH 25 KW Desa Susuan Karangasem Bali
Authors: Budiantara Dewa Nyoman Tri , Kumara I Nyoman Satya , Giriantari I.A.D
Published: October 2020

Intisari— Kebutuhan akan energi listrik Indonesia selalu meningkat dari tahun ke tahun. Di Indonesia penggunaan pembangkit listrik tenaga fosil masih banyak digunakan. Energi air sendiri merupakan alternatif untuk menggantikan bahan bakar dari fosil secara umum, salah satunya Pembangkit Listrik Tenaga Mikro Hidro. Penilitian ini dibuat untuk mengindentifikasi PLTMH di Desa Sususan Karangasem dapat di revitalisasi (dibangun kembali) melalui pengukuran dan perhitungan potensi sumber daya air dengan metode flow duration curve dengan probabilitas terlampaui 80%. Untuk menganalisis kelayakan PLTMH dilakukan analisis finansial yakni Net Present Value (NPV), Internal Rate Ratio (IRR), Payback Period (PP) dan Benefit Cost Ratio (BCR). Hasil dari analisis didapatkan potensi dari PLTMH Karangasem saat ini yakni 25,18 kWh dengan pembangkitan listrik per tahun sebesar 220,577 kWh/ tahun dan BPP listrik = Rp. 774.- per kWh. Dari hasil analisis, PLTMH Desa Susuan Karangasem dapat dikatakan layak untuk dilakukan revitalisasi.

Kata Kunci: Pembangkit Listrik Tenaga Mikro Hidro (PLTMH), Analisis Hidrologi, Analisis Ekonomi Energi, Revitalisasi
Analisis Unjuk Kerja Improved Sinc Power Pulse pada Sistem OFDM Melalui Kanal Frequency Selective Fading
Authors: Prayoga Kadek Agus Mahabojana Dwi , Wirastuti NMAE Dewi , Pramaita Nyoman
Published: October 2020

Kombinasi antara sistem OFDM (orthogonal frequency division multiplexing) dan Pulse Shaping mampu mengurangi Inter Carrier Interference (ICI) dan error yang terjadi. Penelitian ini bertujuan untuk mengetahui perbandingan performansi dari sistem OFDM tanpa pulse shaping dan OFDM dengan pulse shaping Improved Sinc Power (ISP) pulse yang melalui kanal Frequency Selective Fading, ditinjau dari BER (bit error rate) berbanding Eb/No (energy per bit to noise power spectral density ratio). Penelitian ini menggunakan metode simulasi dengan menggunakan program Matlab R2018a. Hasil dari simulasi didapat unjuk kerja sistem OFDM dengan pulse shaping ISP pulsememiliki hasil yang lebih baik dari OFDM tanpa pulse shaping. Pada kanal transmisi Frequency Selective Fading untuk mencapi nilai BER sebesar 10-1 sistem OFDM dengan pulse shaping ISP pulse dibutuhkan Eb/No sebesar 2 dB. Sedangkan pada sistem OFDM tanpa pulse shaping dibutuhkan Eb/No sebesar 10 dB.

Kata Kunci — OFDM, Pulse Shaping, ICI, ISP pulse, Frequency Selective Fading.
Modern ve Geleneksel Koşullarda Seracılık İçin Karşılaştırmalı Ekonomik Karlılık Analizi: Domates Yetiştiriciliği Örneği
Authors: Karkacier Osman
Published: October 2020

Tarımda seracılık yeri ve önemi açısından yükselen bir değerdir. Seracılık, tarım sektörüne ilgi duymayan girişimci ve yatırımcıların dahi ilgisini çekmeyi başarmıştır. Sera üretiminde gelişen tarım teknolojilerine bağlı olarak modern koşullarda yüksek teknolojiler kullanılarak üretim yapılabilmektedir. Bu çalışmada modern ve geleneksel olmak üzere her iki üretim teknolojisinde de maliyetler ve dolayısıyla karlılık karşılaştırılmıştır. Geleneksel koşullarda domatesin sabit giderleri dekar başına 7.090 TL/da iken, modern koşullarda bir seranın sabit gider toplamı14.889 TL/da olarak hesaplanmıştır. Araştırma bulgularına göre; modern koşullarda serada domates üretiminde karın geleneksel koşullara göre 3,04 kat daha yüksek olduğu görülmüştür.
Lumbar Disc Herniation Might Spontaneously Regress, While Neuropathic Pain Might Start: Retrospective Clinical Study
Authors: Akyuva Yener , Kaplan Necati , Urfalı Boran , Özger Özkan , Civelek Erdinç , Kabataş Serdar , Serarslan Yurdal
Published: October 2020

Lumbar disc herniation (LDH) is a common cause of low back pain and radicular pain. The aim of our study was to evaluate the regression of LDH in patients who are considered to require surgical treatment but prefer conservative treatment. Patients who presented between January 2018 and June 2020 and who did not accept the recommended surgical treatment following a diagnosis of LDH based on clinical and radiological findings were retrospectively reviewed. All 12 of the patients included in the study showed spontaneous regression of LDH during outpatient clinical follow-up. Our study included 12 patients (seven male and five female). The mean age was 46.5 (the youngest was 30 years old; the oldest was 70 years old). Regression was observed at the L2-L3 level in two patients (10%), at the L4-L5 level in four patients (40%), and at the L5-S1 level in six patients (50%). On the follow-up examination of all patients, the severity of their pain was evaluated with the Visual Analogue Scale, and all patients described a reduction in pain (min: 2, max: 8). Ten patients described radicular pain at the initial examination, eight patients received physical therapy and rehabilitation treatment before the follow-up examination, and nine patients described neuropathic pain at the follow-up examination. Spontaneous regression of LDH is rare. While conservative treatments provided partial improvement in the complaints of these patients, conservative treatments usually cannot prevent the development of neuropathic pain.
Hybrid vigour and variability for key growth characters and yield in cashew (Anacardium occidentale L.)
Authors: Eradasappa E. , Adiga J. D. , Mohana G.S.
Published: October 2020

Hybrid vigour and assessment of genetic variability for important growth characters and yield traits in cashew were studied in eight cashew hybrids.The analysis of variance for the phenotypic data for 12 characters revealed significant variation among the genotypes except for tree spread, flowering laterals per m2, non-flowering laterals per m2 and sex ratio.The highest nut weight was observed in H-125 (12.07 g) whereas the lowest was in H-2452 (5.08 g).The maximum nut yield was noticed in hybrid H-126 with 5.96 kg tree-1 while NRCC Selection-2 recorded lowest with 0.53 kg tree-1. The standard heterosis over two checks, bold nut check (NRCC Sel-2) and high yielding check (Bhaskara) and variability parameters such as genotypic coefficient of variation, phenotypic coefficient of variation, broad-sense heritability and genetic advance were estimated. For nut weight, standard heterosis over bold nut check varied from -34.54 to 55.54 per cent and six out of eight hybrids viz., H-43, H-66, H-68, H-125, H-126 and H-2473 showed significant and positive standard heterosis. Standard heterosis over the high yielding check, varied from -38.93 to 300 per cent and it was significant and positive in two hybrids viz., H-126 and H-125 with 300 per cent and 214.09 per cent, respectively.The hybrid vigour was not significant for trunk girth, tree height, tree spread, number of flowering laterals per m2 and sex ratio. Notably, five hybrids presented more than 20 per cent standard heterosis for nut weight over bold nut check which may serve as a useful source of breeding material. Two hybrids viz., H-125 and H-126 showed good hybrid vigour for nut weight and yield over two checks and thus have been inducted into multi-location trials and also under consideration for release.
Evaluation of apple and nut characters of cashew germplasm from Bastar Region, Chhattisgarh
Authors: Ramteke Vikas , Nirala Yaspal Singh , Nayak M.G. , Mohana G.S.
Published: October 2020

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