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 208 for “"AMPS"”.
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Simulation of polymer solar cell characteristics by amps-1d
… and Photonic Structures One Dimension (AMPS-1D) is a computer simulation tool for solar cell device characteristics. The first part of this study focuses on the performance and comparison of current-voltage (I-V) simulations of indium oxide (In_2O_3) and tin oxide (SnO_2) (ITO) and poly …
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Power-aware multisensor-management tracking on the Micro-AMPS platform
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Out-of-Loop Compensation Method for Op-Amps Driving Heavy Capacitive Loads
<p>It is well known that real op-amps do not share most of the desirable characteristics of an ideal one, particularly those of gain and output impedance. When presented with a capacitive load, such as a MOSFET or ADC, feedback in an op-amp circuit can quickly become unstable. This thesis studies …
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AMPS co-channel interference rejection techniques and their impact on system capacity
… not well suited for analog mobile phone system (AMPS) and narrowband AMPS (NAMPS) signals because of the large spectral overlap of the signals of interest with interfering signals and because of the lack of a well defined signal structure that can be used to separate the signals. Our research has …
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An implementation of an AMPS digital base station with adaptive Automatic Gain Control
… receiver for an Advanced Mobile Phone Service (AMPS) cellular system, and the associated problem of choosing an appropriate Analog-to-Digital (ADC) converter. The probability density function of the voltage across a cellular receiving antenna is shown to be dependent on various cellular …
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A pipelined analog-to-digital converter with low-gain, low-bandwidth op-amps
Designing a high-gain, high-bandwidth op-amp for pipelined ADCs in fine-line CMOS technology has become increasingly challenging. In order to address this issue, this thesis presents the shadow-ADC-assisted digital calibration technique. The proposed technique relaxes op-amp performance …
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AMPS : a simulation system for modeling and analyzing the psychology of risk-taking
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Identification and recombinant production of antimicrobial peptides from the Black Soldier Fly, Hermetia illucens (L.)
… In recent years, antimicrobial peptides (AMPs) have emerged as promising alternatives to conventional antibiotics that possess potent antimicrobial abilities and are less prone to resistance. AMPs are important components of innate immune systems found ubiquitously in nature. The Black …
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Performance and functional enhancement of artificial market psychology simulator
Artificial Market Psychology Simulator (AMPS) is an adaptive and programmable simulation system designed to assist researchers in the study of psychology of securities traders. It forms a part of the larger system that includes the MIT Web Market - a double-auction engine for securities trading and …
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Identification and structural bioinformatics of druggable proteins in schistosoma species
… potentials of Antimicrobial peptides (AMPs) in the design of alternative anti-schistosomal treatment regimen. AMPs are natural antibiotics produced by all living species; they have multifunctional properties and are currently explored as a vital source for the development of new drugs. …
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Deterministic design of peptide-membrane interactions
Antimicrobial peptides (AMPs) are present in virtually every multi-cellular organism and comprise an important component of the innate host defense system. Collectively, AMPs have broad spectrum and selective microbicidal effects. A general mechanism of AMP activity is destabilization of the …
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Delivery, design, and mechanism of antimicrobial peptides
… infections, focusing on antimicrobial peptides (AmPs). We first delivered genes inducing the toxic expression of AmPs and other lytic agents directly into bacteria using re-engineered bacteriophages. Expression of these lytic agents in lysogenic bacteriophages resulted in bactericidal activity, …
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The identification and characterisation of antimicrobial peptides from snake and scorpion venom.
… to both identify antimicrobial peptides (AMPs) and elucidate their mechanism of action. AMPs are ubiquitous in nature and have favourable properties that make them attractive for drug development including potent activity, low resistance rates due to their membrane disruptive mechanism of …
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DE NOVO DESIGN OF ANTIMICROBIAL PEPTIDES FOR APPLICATION AS ANTI-INFECTIVE AGENTS
Antimicrobial peptides (AMPs) have gathered considerable interest as a new source of antibiotics to tackle the escalating threat of antimicrobial resistance. Adopting a de novo approach enables the rational design of short synthetic AMPs, whilst mitigating concerns of resistance development to …
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Combinatorial effects of bovicin HC5 and epsilon-polylysine against Alicyclobacillus acidoterrestris in orange juice
… in the food industry. Antimicrobial peptides (AMPs) are considered an alternative strategy to control the growth of this spoilage microorganism in acidic beverages. AMPs can be used alone or in combination with other antimicrobials to enhance the shelf-life of foods. In this study, the …
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The production, design and application of antimicrobial peptides
… losing their potency. Antimicrobial peptides (AmPs) represent an exciting class of drug candidates, particularly because their mechanism of action is unlikely to induce drug resistance. If resistance to AmPs were also slower to emerge in the clinic, they would have longer useful lifetimes than …
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A study on the application of synthetic antimicrobial peptides derived from plants for the reduction of yeast spoilage in food
… The use of antimicrobial peptides (AMPs) for this purpose is the basis for the research that was performed in this thesis. Plants produce AMPs as part of their immune system, possessing strong antimicrobial activity. This thesis aims to explore the antimicrobial activity of various …
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Intrinsic alterations of the skin barrier function promote the pathogenesis of atopic dermatitis in dogs
… natural antimicrobial peptides (AMPs) and filaggrin. Antimicrobial peptides are small proteins secreted by many mammalian epithelial cells. Their main functions include: defense against external pathogens, orchestration of the innate and adaptive immunity, and regulation of the …
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Antimicrobial Peptides Activity and Efficacy Prediction by Stochastic Models and Machine Learning Methods
… scientific attention is antimicrobial peptides (AMPs), also known as host defense peptides. In this work, we aim to facilitate the design of more effective peptides using computational tools by solving the following two main challenges in the field. First, the underlying microscopic mechanisms of …
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Novel Adaptive Array Algorithms and Their Impact on Cellular System Capacity
… arrays to the Advanced Mobile Phone Service (AMPS) and Code Division Multiple Access (CDMA) cellular systems. Adaptive arrays have been proposed as early as in the 1960s to improve the signal quality, but most of its applications were restricted to defense purposes. Recently, there has been a …
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