Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 365 for “"gB"”.
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Die GB-Viren GBV-A, GBV-B und GBV-C
… flaviähnlichen, im Tamarinen vorkommenden GB-Viren, GBV-A und GBV-B, sowie des humanen GB-Virus-C dar. GBV-A und GBV-B sind beide im sogenannten “GB-Agens H205”, das als Referenzmaterial dient, vorhanden. GBV-A und GBV-B wurden isoliert und charakterisiert. Da GBV-A im Gehirngewebe in …
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A 2.5 Gb/s SONET clock and data recovery macro cell
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Transimpedance Amplifier (TIA) Design for 400 Gb/s Optical Fiber Communications
… blocks of receiver for next generation 400 Gb/s optical fiber communication. In this thesis research a transceiver architecture based on 4x100 Gb/s parallel communication is proposed. As part of the receiver, a transimpedance amplifier for 100 Gb/s optical communication is designed, analyzed …
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Design of 10 Gb/s burst-mode receivers for high-split extended reach PONs
… This dissertation describes the design of a 10 Gb/s burst-mode receiver for high-split extended reach passive optical networks (PONs). The designed receiver incorporates two very advanced features. Firstly, the burst-mode receiver locks its gain setting within 6 ns avoiding packet loss due to …
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CMOS Receiver Design for Optical Communications over the Data-Rate of 20 Gb/s
Circuits to extend operation data-rate of a optical receiver is investigated in the dissertation. A new input-stage topology for a transimpedance amplifier (TIA) is designed to achieve 50% higher data-rate is presented, and a new architecture for clock recovery is proposed for 50% higher clock …
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The GB-ROSCA hybrid microfinance model : a strategy for small-scale development projects in Nigeria
… operators, and the Bangladeshi Grameen Bank (GB) model is the foremost in this regard. This thesis reviews the existing literature on these new generations of credit supply programs pioneered by Bangladeshi GB strategy and highlights the importance of micro-savings in development. The thesis …
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The Impact of GB Virus C co-infection on Mother to Child transmission of Human Immunodeficiency Virus
GB virus C (GBV-C) is a common, apathogenic virus that can inhibit human immunodeficiency virus (HIV) replication in vitro. Persistent coinfection with GBV-C has been associated with improved survival among HIV-infected adults while loss of GBV-C viremia has been associated with poor survival. If …
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Design and modeling of high speed P-i-N photodetector for 50 GB/S optical fiber links
… which is capable of operating at 50 Gb/s data rate for energy efficient transmission.
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Development of InP DHBT for 5G millimeter-wave power amplifier and GaAs photodetector for 50 Gb/s optical link
… In this work, the development of the 50 Gb/s P-i-N photodetector Type-II InP DHBT for 5G power amplifier application will be presented and discussed. The development work of the photodetector includes the design consideration and process optimization, the dark current and bandwidth …
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Design and modelling of clock and data recovery integrated circuit in 130 nm CMOS technology for 10 Gb/s serial data communications
… and implementation of a fully monolithic 10 Gb/s phase and frequency-locked loop based clock and data recovery (PFLL-CDR) integrated circuit, as well as the Verilog-A modeling of an asynchronous serial link based chip to chip communication system incorporating the proposed concept. The …
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Cascaded ROADM Filter Replication and the Effects of Statistical Variations in the Response of Cascaded ROADMs on 100 Gb/s DP-QPSK System Performance
This thesis focuses on two distinct investigations: filter replications and the testing of a real-time system. The filter replication section used a Finisar WaveShaper programmable filter, a Yenista adjustable bandpass filter and a Luna Optical Vector Analyzer to adjust the input to the WaveShaper …
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Grain-Boundary Kinetics And Nonequilibrium Grain-Boundary Structure
… materials can be described as grain boundary (GB) networks; hence, GBs play major role in a wide-range of polycrystal properties. Control over GB kinetics provides effective means to tailor polycrystal properties through material processing. Understanding and prediction of GB kinetic behavior …
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An investigation of the use of exogenous Glycine Betaine and Seaweed Extract to ameliorate drought stress in cutting propagation of Griselinia littoralis and Lavatera x Clementii
The exogenous application of Glycine Betaine (GB) and seaweed extract (SWE) has been suggested as a possibly effective approach for improving the drought tolerance of cuttings. The aim of this study were to test the feasibility of GB and GB+SWE helping cuttings fight drought stress during cutting …
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Identification and characterization of low pH-triggered conformational changes in the herpes simplex virus glycoprotein B
… triggers specific conformational changes in HSV gB at a pH of 5.7 to 6.0. The antigenic structure of gB functional region I that is critical for fusion is specifically altered by mildly acidic pH both in vitro and during entry into host cells. Point mutations within gB functional region 1 that …
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Interazioni tra le glicoproteine D, B, H ed L critiche per la fusione indotta dal virus Herpes simplex
Four glycoproteins (gD, gB, gH, and gL) are required for herpes simplex virus (HSV) entry into the cell and for cell-cell fusion in transfected cells. gD serves as the receptor-binding glycoprotein and as the trigger of fusion; the other three glycoproteins execute fusion between the viral envelope …
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Sequenzvariation des HCMV Glykoprotein B Gens durch Rekombination in vitro und in vivo
Das HCMV gB-Gen zeigt Sequenzvariationen auf, welche die Einteilung in vier verschiedene Genotypen ermöglichen. <br>Virusstämme verschiedenen Genotyps zeigen Unterschiede im Zelltropismus und im klinischen Verlauf einer HCMV-Infektion. <br>Zunächst wurde in der vorliegenden Arbeit untersucht, ob …
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Multiscale Modeling of Effects of Solute Segregation and Oxidation on Grain Boundary Strength in Ni and Fe Based Alloys
… segregation and oxidation on grain boundary (GB) strength in nickel-based and iron-based alloys. Besides the atomistic scale density functional theory (DFT) based calculations of GB strength, continuum-scale cohesive zone model (CZM) is also used to simulate intergranular fracture at the …
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