Mobile Application for VSB-TUO Students

Táto bakalárska práca sa zaoberá vývojom univerzitnej aplikácie pre študentov VŠB-Technickej univerzity Ostrava pre operačné systémy Android a Windows Mobile. Cieľom bolo preskúmať stav existujúcich univerzitných aplikácii, vytvoriť rebríček najčastejšie sa vyskytujúcich funkcii a na základe výsledkov vytvoriť aplikáciu s využitím Rest API poskytnutých Centrom informačných technológii. Teoretická časť obsahuje štyri kapitoly zaoberajúce sa platformami Android a Windows Mobile, dostupnými nástrojmi pre medziplatformný vývoj, existujúcimi univerzitnými aplikáciami a ich funkciami, zhodnotením a popísaním poskytnutých Rest API ako aj návrhom ich rozšírení. Praktická časť sa zaoberá vývojom aplikácie a jej otestovaním v praxi.This bachelor thesis deals with the development of the university application for students of VŠB-Technical University of Ostrava for Android and Windows Mobile operating systems. The goal was to examine the state of the existing university applications, create a list of the most frequently used features and use the results to create an application that uses the Rest API provided by the Centre for Information Technology. The theoretical part contains four chapters that deal with Android and Windows Mobile platforms, available tools for cross-platform development, existing university applications and their features, reviewing and describing the provided Rest API as well as suggestions for their extensions. The practical part deals with the development of the application and its testing in practice.460 - Katedra informatikyvelmi dobř

Plasma-Photoresist Interactions for Realizing Advanced Pattern Transfer Processes

Photoresist (PR) materials undergo significant physical and chemical modification from the ions, vacuum ultraviolet (VUV) photons, and reactive species that comprise a plasma etch process. The modifications of these materials, which are an integral component in the manufacturing process of semiconductor devices, has key implications on the control of the etching and roughening behaviors that are vital for establishing selective pattern transfer processes that maintain feature fidelity at increasingly smaller feature sizes and pitches. In the initial chapters of this dissertation, we focus on establishing a fundamental understanding of the relationship between PR modification and the resulting etching behavior under an inert argon plasma process. To establish the key relationships, we utilize a combination of in situ ellipsometry supported by x-ray photoelectron spectroscopy (XPS) and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy to develop an ellipsometric model that interprets the correlation between the PR layer structure, which develops due to energetic ion bombardment in a plasma process, and the corresponding etching behavior. From this analysis, we find that energetic ion bombardment produces a dense amorphous carbon (DAC) layer on the PR surface that reduces the overall PR etch rate with increasing thickness. Secondary characterization via atomic force microscopy (AFM) also shows corresponding development of surface roughness. Expanding the scope to reactive plasma chemistries containing fluorocarbon (FC) species, we find that the FC species interact with the DAC layer to produce an FC-rich modified layer on the surface. In the latter part of this dissertation, we apply our findings regarding the PR surface modification to address an industrial need to improve the etch selectivity of silicon dioxide (SiO2) to PR by minimizing the thickness loss of an extreme ultraviolet (EUV) PR under an atomic layer etching (ALE) process by systematically evaluating the ALE processing parameters. We find that cyclic ion bombardment of a deposited FC layer leads to the development of a modified layer that significantly reduces PR loss while simultaneously maintaining SiO2 etching, thus producing a high SiO2/PR etching selectivity. Lastly, we examine another industrial challenge concerning the extent of off-normal ions affecting the etching uniformity of PR samples

Effects of physico-chemical cues from the blood-brain barrier microenvironment on tumor cell migration and morphology

Cancer metastasis is particularly deadly, leading to 90% of cancer deaths. During metastasis, tumor cells break off from a primary tumor and travel to distant sites. Metastasis to the brain results in a poor patient prognosis. However, several common cancers, such as breast cancer and melanoma, metastasize to the brain. In order to metastasize to the brain, tumor cells have been shown to cross the highly selective blood-brain barrier (BBB), which separates the brain parenchyma from the circulatory system. The BBB is highly impermeable, even for many chemotherapeutics, however, tumor cells are able to cross it by a poorly understood mechanism. The BBB consists of endothelial cells connected by tight junctions, and is supported by cells of the neurovascular unit, such as astrocytes. Furthermore, the composition of the extracellular matrix beyond the BBB is unique and contains hyaluronic acid (HA). In disease, HA organization or biophysical properties may become altered. The goal of this study was to investigate how specific physico-chemical interactions of tumor cells and the BBB microenvironment may impact tumor cell behavior at the BBB, as well as explore cold atmospheric plasma (CAP) as potential cancer treatment. This understanding could lead to better future therapeutics and a better prognosis for patients. We hypothesized that biophysical and biochemical cues from the BBB microenvironment, as well as the tumor cell phenotype, can influence tumor cells’ migration and morphology. In this dissertation, we investigated the interaction of tumor cells with astrocyte-secreted biochemical cues and the biophysical cues from a HA/gelatin extracellular matrix on tumor cell morphology, migration, and incorporation into an endothelium. Our results showed that tumor cell migration and morphology are significantly altered by astrocyte-secreted factors and the HA/gelatin extracellular matrix; however, the extracellular matrix is less significant during incorporation. We also showed that brain- and bone-seeking tumor cells display varied morphologies on matrices with niche-relevant mechanical properties. Finally, we demonstrated that CAP selectivity for reducing migration of tumor vs. normal cells is highly sensitive to cell culture media formulation. Together, these results provide new insights into tumor cell behavior at the BBB and inform future studies and therapeutic development

Web Application for Support of Biomedical Data Analysis

Cílem této práce je vytvořit webovou aplikaci, která má sloužit ke spouštění skriptů pro analýzu biomedicínských dat na výpočetním serveru. První část práce je proto věnována průzkumu technologií, které by mohly být použity při vývoji aplikace, především zmapování nástrojů pro spouštění, správu procesů a přidělování zdrojů procesům v prostředí HPC. Speciální pozornost je věnována Son of Grid Engine, principům jeho fungování, omezením a rozhraním umožňujícím komunikaci s ním. Kromě toho je také věnována knihovnám, které umožňují generovat formuláře z objektu typu JSON, a průzkumu jimi poskytovaných funkci. Druhá část práce se zabývá návrhem a implementací výsledné aplikace. V rámci ní jsou rozebírány i návrh a implementace knihovny, umožňující generování formulářů z objektu JSON, která je vytvořena přímo na míru dle požadavků výsledné webové aplikace. Poslední část práce se věnuje testování výsledné aplikace.The object of this diploma thesis is to create a web application that should be used to run scripts for the analysis of biomedical data on a computing server. The first part of the thesis is therefore devoted to the research of technologies that could be used in the development of the resulting application, especially the mapping of tools for process and resource management in HPC environment (job schedulers). Special attention is paid to the Son of Grid Engine, the principles of its operation, limitations and interfaces enabling communication with it. In addition, it is also dedicated to libraries that allow you to generate forms from a JSON object and explore the functions they provide. The second part deals with the design and implementation of the resulting application. It also discusses the design and implementation of a library that allows the generation of forms from the JSON object, which was created directly according to the requirements of the resulting web application. The last part of the thesis is devoted to testing the final application.460 - Katedra informatikyvelmi dobř

A simple high-performance matrix-free biomass molten carbonate fuel cell without CO2 recirculation

In previous reports, flowing CO2 at the cathode is essential for either conventional molten carbonate fuel cells (MCFCs) based on molten carbonate/LiAlO2 electrolytes or matrix-free MCFCs. For the first time, we demonstrate a high-performance matrix-free MCFC without CO2 recirculation. At 800°C, power densities of 430 and 410 mW/cm2 are achieved when biomass—bamboo charcoal and wood, respectively–is used as fuel. At 600°C, a stable performance is observed during the measured 90 hours after the initial degradation. In this MCFC, CO2 is produced at the anode when carbon-containing fuels are used. The produced CO2 then dissolves and diffuses to the cathode to react with oxygen in open air, forming the required Embedded Image or Embedded Image ions for continuous operation. The dissolved Embedded Image ions may also take part in the cell reactions. This provides a simple new fuel cell technology to directly convert carbon-containing fuels such as carbon and biomass into electricity with high efficiency

Temperature Control System for Water Heater with Servo Valve using PID Method: Sistem Pengendalian Suhu Pada Pemanas Air Dengan Servo Valve Menggunankan Metode PID

In cold areas, hot water is an essential requirement. Generally warm or hot water is used for bathing, washing, or other household purposes. In general, there are various types of water heaters when viewed from the source of energy, some of which use solar, gas and electricity. In this study, a water heating system was created by adjusting the input water using a servo valve, so it is expected that the water heating will work faster and the resulting performance can be more stable. The smaller the servio angle, the faster the water heating occurs. The expected temperature is between 30 and 60 °C. This system uses the PID method to control the temperature. From the results of the PID control test on sample data, the set point value is 40?C with a Kp value = 0.02, a Ti value = 80 and a Td value = 20. The temperature that has been given by the PID control tries to maintain the set point temperature which has been set at 40 ?C . With values of Kp, Ti, and Td above the temperature can reach the setpoint within (±) 30 minutes.Di daerah dingin, air panas merupakan kebutuhan yang penting. Umumnya air hangat atau panas digunakan untuk mandi, mencuci, atau keperluan rumah tangga lainnya. Secara umum, ada berbagai jenis pemanas air jika dilihat pada sumber energinya, beberapa di antaranya menggunakan tenaga surya, gas, dan listrik. Pada penelitian ini dibuat sistem pemanas air dengan mengatur air masukan menggunkan servo valve, sehingga diharapkan pemanasan air bekerja lebih cepat dan performa yang dihasilkan bisa lebih stabil. Semakin kecil sudut servio, semakin cepat pemanasan air terjadi. Suhu yang diharapkan adalah antara 30 dan 60 °C. Sistem ini menggunakan metode PID untuk mengontrol suhu. Dari hasil pengujian kontrol PID terhadap sampel data, nilai set point sebesar 40?C dengan nilai Kp = 0.02, nilai Ki =  0.5  dan nilai Kd = 0.1. suhu yang telah diberikan kontrol PID berusaha mempertahankan suhu set point yang telah diatur yaitu 40 ?C . Dengan nilai Kp,Ki, dan Kd diatas suhu dapat mencapai setpoint dengan waktu (±) 30 menit

ANALISIS DAN PERANCANGAN ENTERPRISE ARCHITECTURE PADA FUNGSI PEMELIHARAAN GARDU INDUK DI PLN TRANSMISI JAWA BAGIAN TENGAH MENGGUNAKAN TOGAF

PT. PLN (Persero) Trans JBT, merupakan perusahaan yang berorientasi dalam bidang transmisi dan gardu induk tegangan tinggi dan tegangan ekstra tinggi pada wilayah jawa barat dan jawa tengah. PT. PLN (Persero) Trans JBT terdiri dari cabang yang tersebar di beberapa daerah yaitu Bandung, Semarang, Karawang, Salatiga, Bogor, Cirebon, Purwokerto. PT. PLN (Persero) Trans JBT, merupakan salah satu unit yang ada di PT. PLN (Persero) yang melakukan pengembangan dan pengelolaan aset transmisi, dan melaksanakan pemeliharaan aset transmisi secara efektif, efisien, dan ramah lingkungan. Untuk dapat memanfaatkan peran teknologi secara maksimal sehingga dapat selaras dengan bisnis yang dijalankan, maka diperlukan perancangan enterprise architecture yang sesuai pada fungsi bisnis pemeliharaan gardu induk. Terdapat framework yang dapat dijadikan acuan dalam melakukan perancangan enterprise architecture, yakni TOGAF ADM. Untuk perancangan enterprsie architecture yang dilakukan pada penelitian ini akan meliputi fase preliminary hingga ke fase Migration Planning. Hasil dari perancangan EA ini adalah berupa artifak artifak TOGAF ADM dan rekomendasi pengembangan TI dalam bentuk IT Roadmap. Dari hasil analisis dan perancangan yang telah dibuat diharapkan dapat menjadi pedoman dalam pengembangan teknologi informasi pada PLN Trans JBT khususnya pada fungsi pemeliharaan gardu induk. Kata kunci: Enterprise Architecture, TOGAF ADM, Fungsi pemeliharaan gardu induk, PT. PLN (Persero)Trans JBT, PT. PL