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Search Results: 1 - 10 of 2484 matches for " Melissa Mert "
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Spin Configurations in the Rectangular Lattice  [PDF]
Gulistan Mert, Hasan Sevki Mert
World Journal of Condensed Matter Physics (WJCMP) , 2013, DOI: 10.4236/wjcmp.2013.34030
Abstract: Using matrix method, the possible spin configurations have been determined for four sublattices in rectangular lattice taking into account only nearest-neighbor exchange interactions. We obtain collinear and non-collinear spin configurations in the ground and the first excited states for the three different propagation vectors. When k = 0, depending on the sign of exchange parameters, we find a ferromagnetic mode and three antiferromagnetic modes. When k = [1, 1] and [1.5, 1.5], we find non-collinear (canted) spin configurations. Moreover, we observe that spins of some sublattices in the excited state change their orientations.

Relation of Indices of Lung Hyperinflation to Dyspnea in Patients with Chronic Obstructive Pulmonary Disease: A Physiologic Assessment and Discussion  [PDF]
Matthew Miller, Mark Slootsky, Ravi A. Patel, Melissa Mert, Ahmet Baydur
Open Journal of Respiratory Diseases (OJRD) , 2019, DOI: 10.4236/ojrd.2019.93007
Abstract: Background: The severity of COPD is commonly assessed by the reduction in forced expiratory volume at one second (FEV1), although more recently prognostic factors influencing survival have also incorporated functional capacity, degree of breathlessness on exertion, and body mass index. Increasingly, the reliability of physiological parameters such as FEV1 to predict patient-centered outcomes has been brought into question. Objectives: To evaluate the relationship between dyspnea as assessed by the Modified Medical Council Dyspnea (MMRC) scale, the Global Initiative for Chronic Obstructive Lung Disease (GOLD 2014) staging and indices of lung hyperinflation and spirometry. Methods: Data were retrospectively analyzed at a 600-bed tertiary care center including spirometry, plethysmographic lung volumes, single breath carbon monoxide diffusion capacity and dyspnea graded according to MMRC, and GOLD staging. Results: Data for 331 patients were analyzed. Differences amongst FEV1, IC, IC/TLC, FRC and RV/TLC were significant between GOLD I/II and GOLD III/IV groups. The closest relationship to GOLD staging was seen with FEV1, FVC and slow vital capacity (SVC). FEV1/FVC, IC, and IC/TLC were inversely associated with MMRC score, while RV/TLC exhibited a positive relation with MMRC score. Conclusions: Indices of lung hyperinflation are closely associated, with dyspnea as assessed by MMRC grading with TLC, RV/TLC and IC exhibiting the closest relations, more so than FEV1. GOLD staging also shows strong correlations with lung volume subdivisions (weakly with TLC), more so than with FEV1. That TLC changed little between GOLD stages can be explained by the presence of collateral interalveolar channels and population characteristics different from those of other studies. These findings further support the concept that more than a reduction in FEV1, lung hyperinflation contributes to the sensation of dyspnea in airflow limitation.
Assessment of Contractility for Fontan Connections  [PDF]
Mert Kestelli, Sahin Bozok
World Journal of Cardiovascular Surgery (WJCS) , 2014, DOI: 10.4236/wjcs.2014.44008
Abstract: This study is performed to investigate the effect of Fontan operations on cardiac contractility. Investigation of articles about the contractility in Fontan published in PubMed up to now revealed that the measurement of contractility values did not include the rudimentary ventricle. Connections between right atrium and right ventricle as well as right atrium and pulmonary artery were studied in the same group as well. In our opinion, for the single ventricular physiology, the RA-RV and RA-PA connected patients’ preload and afterload values cannot be calculated in the same group since volume of rudimentary ventricles must be considered from this point of view as well.
Studies on the Structure of Flowers and Inflorescences of Cornelian Cherry (Cornus mas L.)
Cevriye MERT
Notulae Botanicae Horti Agrobotanici Cluj-Napoca , 2012,
Abstract: This study reports on the arrangement of flower buds and structure of floral organs of cornelian cherry (Cornus mas L.) cultivars local to Turkey. The local cultivars were investigated under stereo microscope, light microscope, and scanning electron microscope (SEM). The results indicate that each node has two oppositely positioned buds on 1-year-old shoot. Inflorescences resembled the umbel structure that enclosed four (two sets of oppositely oriented) bud scales. The mean flower number varied between 16.3 and 19.9 per cluster among the cultivars. The flowers resembled the hermaphrodite type and one flower was found to have four rudimentary sepals, four petals, four stamens, and one pistil. The stamens were noted to be arranged around the base of the ovary. Each normal anther was observed to have two pollen-producing theca, and each theca was found to have two locules. The number of pollen grains per anther varied between 1380 and 4240 among the genotypes. The pistil was noted to have a deeply hollowed papillate stigmatic surface, and the central part of the style had conducting tissue. The ovarium part of the pistil was found to be surrounded by the nectary tissue, inferior type, and had two atropous ovules. The fruit resembled single-seeded, stone fruit type. This study is the first detailed study on the flower morphology and inflorescences of the cornelian cherry cultivars in Turkey.
Kültürel De erler ve Ki i rgüt -Ki i Uyumu li kisi: Kavramsal Bir er eve
Mert AKTA?
Selcuk Universitesi Sosyal Bilimler Enstitusu Dergisi , 2011,
Abstract: Person environment fit is an important topic with in the field of organizational behavior. And it gained special attention as aresearch topic relatively in recent years. Under the umbrella of general concept of person environment fit, individuals fit withdifferent work environment dimensions are researched. These work environment dimensions are person organization fit, personsupervisor fit, person group fit and person job fit. Of the various dimensions of the person environment fit person organizationand person job fit appears to be the most important and most researched dimensions of person environment fit Personorganization fit is mainly the compatibility of individuals’ wit values of the organization. In other words it’s the match ormismatch between the organizational culture and the individual values. Person job fit on the other hand is the compatibility ofindividual and the job. In other words it is the match between knowledge skills and abilities that a job requires and the individualposses. It is well documented a higher match between the organization, the job and the individual will yield positive workoutcomes such as higher organizational commitment, satisfaction, citizenship behavior and lower negative outcomes such asintent to leave and actual turnover. In the person environment fit research stream the conceptual distinctiveness of personenvironment fit is also investigated in many research articles. Although there has been an important amount of researchinvestigating the person organization and person job fit with a focus on outcomes of person organization and person job fit andconceptual distinctiveness of person environment fit concepts, the literature lack of a cultural flavor. Therefore in this researchthe impact of individualist collectivist values on person organization and person job fit and their outcomes relationship isinvestigated. In this conceptual research paper, first of all, person organization and person job fit research and outcomes ofperson organization and person job fit is analyzed. Secondly the literature about cultural values particularly individualist andcollectivist values is documented. And thirdly a conceptual framework is put forward by basing on person environment fit andcultural values literature. As a result of theoretical analysis, it is argued that for the people who are higher on individualist valuesfitting with job is more important. Because, individuals who are high on individualist values have higher achievement motivationand therefore the match between their skills and with the job will be more important f
Transforming Energy Usage: It’s Not Only about Solar  [PDF]
Melissa Matlock
Open Journal of Energy Efficiency (OJEE) , 2014, DOI: 10.4236/ojee.2014.32004
Abstract:

GRID Alternatives, a non-profit solar contractor, installs solar electric systems for low-income families. Part of GRID Alternatives’ program is to provide solar electric systems that are designed to replace 75% of the homeowners’ electricity usage with solar power. This leaves 25% of their bill still to be paid. In order to save our resources, one must first use conservation practices, then energy efficiency, and then follow-up with renewable energy to cover the rest. GRID Alternatives Inland Empire (GRID IE) educates our participating homeowners and community members on this philosophy. However, measuring whether or not our families have been following this philosophy is hard to prove. It may seem obvious that if we want to know whether our homeowners are saving energy, we should look at their energy usage before and after solar. However, this is not the case with our low-income families that could be using electricity to make their lives more comfortable. GRID IE developed a survey to be given before homeowners received their solar systems and started their participation with GRID Alternatives and the same survey to be given after they have received their solar systems. This before and after survey (pre-test/post-test) asked our homeowners to rate their responses to 7 questions on a scale of 1 - 10. The before and after responses for each person were compared, and as a group, their differences were calculated to find out if the differences were statistically significance (within subjects, dependent Z test). 6 out of 7 questions showed statistical significance. The big picture is that change is happening among our low-income homeowners and has happened for many of the varied energy saving methods discussed. It is important to transform energy usage, because the solution is not just solved with solar.

Latinas’ Experience of Sexual Assault Disclosure  [PDF]
Melissa Villarreal
Psychology (PSYCH) , 2014, DOI: 10.4236/psych.2014.510140
Abstract:

This study describes Latina’s experience of sexual assault disclosure. This study contributes Latinas’ voices to the literature on sexual assault disclosure, about feelings experienced during the initial disclosure—regret, shame, and negative judgment of self, and about consequences experienced from the disclosure—feeling spoiled for marriage, silenced, and disbelieved. It points to the need for further research on social interventions to empower Latina sexual assault survivors. Although the literature review identified some research in the area of sexual assault with Latinas, there has been a limited amount of research conducted on feelings and consequences experienced specifically by Latinas during a sexual assault disclosure.

RETRACTED: Global Warming Gas Balance in Response to Increasing Concentrations: Discovery of an Unknown Independent Emission Saturation Mechanism for Infrared Radiation  [PDF]
Melissa Blau
American Journal of Climate Change (AJCC) , 2014, DOI: 10.4236/ajcc.2014.32014
Abstract:

Short Retraction Notice

This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. Aim is to promote the circulation of scientific research by offering an ideal research publication platform with high standard. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused.

Editor guiding this retraction: Prof. Zhihua Zhang (Editor-in-Chief of AJCC)

The full retraction notice in PDF is preceding the original paper, which is marked \"RETRACTED\".

Combining Optimal Control Theory and Molecular Dynamics for Protein Folding
Yaman Arkun, Mert Gur
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0029628
Abstract: A new method to develop low-energy folding routes for proteins is presented. The novel aspect of the proposed approach is the synergistic use of optimal control theory with Molecular Dynamics (MD). In the first step of the method, optimal control theory is employed to compute the force field and the optimal folding trajectory for the atoms of a Coarse-Grained (CG) protein model. The solution of this CG optimization provides an harmonic approximation of the true potential energy surface around the native state. In the next step CG optimization guides the MD simulation by specifying the optimal target positions for the atoms. In turn, MD simulation provides an all-atom conformation whose positions match closely the reference target positions determined by CG optimization. This is accomplished by Targeted Molecular Dynamics (TMD) which uses a bias potential or harmonic restraint in addition to the usual MD potential. Folding is a dynamical process and as such residues make different contacts during the course of folding. Therefore CG optimization has to be reinitialized and repeated over time to accomodate these important changes. At each sampled folding time, the active contacts among the residues are recalculated based on the all-atom conformation obtained from MD. Using the new set of contacts, the CG potential is updated and the CG optimal trajectory for the atoms is recomputed. This is followed by MD. Implementation of this repetitive CG optimization - MD simulation cycle generates the folding trajectory. Simulations on a model protein Villin demonstrate the utility of the method. Since the method is founded on the general tools of optimal control theory and MD without any restrictions, it is widely applicable to other systems. It can be easily implemented with available MD software packages.
Metástases nas leptomeninges da espinal medula num doente com carcinoma de céculas escamosas do pulm?o
Alicioglu,Banu; Saynak,Mert;
Revista Portuguesa de Pneumologia , 2008,
Abstract: spinal leptomeningeal metastasis occurs rarely in solid tumors, and the prognosis is extremely poor. adenocarcinomas and small-cell carcinomas are the most common histological type detected among lung tumors. a 58-year-old man with a history of squamous-cell lung carcinoma with mediastinal invasion and brain metastasis was examined because of his low back pain and weakness in both lower limbs. spinal mri revealed subpial enhancement in the spinal cord; and innumerable nodules with thickening of the cauda equina fibres. to our knowledge, this is the second reported case of squamous cell lung cancer with spinal leptomeningeal metastasis.
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