{"id":{"repo_id":"lsu-thes","oai_identifier":"oai:repository.lsu.edu:gradschool_dissertations-1350"},"canonical_url":"https://search.dev.ndltd.org/etd/lsu-thes/oai:repository.lsu.edu:gradschool_dissertations-1350","repository":{"repo_id":"lsu-thes","name":"Lousiana State University","base_url":"https://repository.lsu.edu/do/oai/"},"display":{"title":"A study of the elongation of fibrils of the Alzheimer's amyloid beta protein with a coarse-grained force field","abstract":"Alzheimer’s disease (AD) is a brain disorder named after the German psychiatrist Alois Alzheimer, who first described the disease in 1906. AD is a form of dementia, characterized by impairment of memory and other intellectual abilities, caused by the loss of neurons and synapses (the structures that permit communication between neurons) in certain regions of the brain. Although the mechanism by which neurons are affected is not yet well understood, research points to a small protein, the beta-amyloid peptide (Abeta), as the first suspect. Ab chains are present in the brains of healthy individuals, but in AD patients, they associate and form clumps that deposit outside neurons, and are believed to trigger the disease. In this dissertation, I use computational methods to study the behavior of the structures formed by Ab chains, when they associate with each other, and how these structures grow. The goal of this work is to use computational methods to complement experimental results by filling the gaps about structural and association mechanism that cannot be accessed by experiments.","abstract_html":"Alzheimer’s disease (AD) is a brain disorder named after the German psychiatrist Alois Alzheimer, who first described the disease in 1906. AD is a form of dementia, characterized by impairment of memory and other intellectual abilities, caused by the loss of neurons and synapses (the structures that permit communication between neurons) in certain regions of the brain. Although the mechanism by which neurons are affected is not yet well understood, research points to a small protein, the beta-amyloid peptide (Abeta), as the first suspect. Ab chains are present in the brains of healthy individuals, but in AD patients, they associate and form clumps that deposit outside neurons, and are believed to trigger the disease. In this dissertation, I use computational methods to study the behavior of the structures formed by Ab chains, when they associate with each other, and how these structures grow. The goal of this work is to use computational methods to complement experimental results by filling the gaps about structural and association mechanism that cannot be accessed by experiments.","abstract_has_math":false,"creators":["Rojas, Ana"],"institution":"Physics and Astronomy","degree_name":"Doctor of Philosophy (PhD)","degree_level":"Dissertation","degree_discipline":"Physical Sciences and Mathematics","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-01-01T08:00:00Z","date_published":"2010-01-01T08:00:00Z","updated_at":"2026-07-24T02:57:30Z","subjects":["protein folding","misfolding disease","molecular dynamics","simulations"],"languages":[],"rights":["unrestricted","Release the entire work immediately for access worldwide."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["etd-08162010-102550","https://repository.lsu.edu/gradschool_dissertations/351"],"render_values":[{"text":"etd-08162010-102550","href":null,"code":true},{"text":"https://repository.lsu.edu/gradschool_dissertations/351","href":"https://repository.lsu.edu/gradschool_dissertations/351","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.31390/gradschool_dissertations.351","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Rojas, Ana"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2010-07-12"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2022-05-12T23:08:32Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physical Sciences and Mathematics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy (PhD)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Physics and Astronomy"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["protein folding","misfolding disease","molecular dynamics","simulations"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["unrestricted","Release the entire work immediately for access worldwide."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["etd-08162010-102550","10.31390/gradschool_dissertations.351","https://repository.lsu.edu/gradschool_dissertations/351"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Alzheimer’s disease (AD) is a brain disorder named after the German psychiatrist Alois Alzheimer, who first described the disease in 1906. AD is a form of dementia, characterized by impairment of memory and other intellectual abilities, caused by the loss of neurons and synapses (the structures that permit communication between neurons) in certain regions of the brain. Although the mechanism by which neurons are affected is not yet well understood, research points to a small protein, the beta-amyloid peptide (Abeta), as the first suspect. Ab chains are present in the brains of healthy individuals, but in AD patients, they associate and form clumps that deposit outside neurons, and are believed to trigger the disease. In this dissertation, I use computational methods to study the behavior of the structures formed by Ab chains, when they associate with each other, and how these structures grow. The goal of this work is to use computational methods to complement experimental results by filling the gaps about structural and association mechanism that cannot be accessed by experiments."]},{"key":"dc:title","label":"Title","values":["A study of the elongation of fibrils of the Alzheimer's amyloid beta protein with a coarse-grained force field"]}]}],"canonical_facts":{"dc:creator":["Rojas, Ana"],"dc:date":["2010-07-12"],"dc:date.available":["2022-05-12T23:08:32Z"],"dc:description.abstract":["Alzheimer’s disease (AD) is a brain disorder named after the German psychiatrist Alois Alzheimer, who first described the disease in 1906. AD is a form of dementia, characterized by impairment of memory and other intellectual abilities, caused by the loss of neurons and synapses (the structures that permit communication between neurons) in certain regions of the brain. Although the mechanism by which neurons are affected is not yet well understood, research points to a small protein, the beta-amyloid peptide (Abeta), as the first suspect. Ab chains are present in the brains of healthy individuals, but in AD patients, they associate and form clumps that deposit outside neurons, and are believed to trigger the disease. In this dissertation, I use computational methods to study the behavior of the structures formed by Ab chains, when they associate with each other, and how these structures grow. The goal of this work is to use computational methods to complement experimental results by filling the gaps about structural and association mechanism that cannot be accessed by experiments."],"dc:identifier":["etd-08162010-102550","10.31390/gradschool_dissertations.351","https://repository.lsu.edu/gradschool_dissertations/351"],"dc:rights":["unrestricted","Release the entire work immediately for access worldwide."],"dc:subject":["protein folding","misfolding disease","molecular dynamics","simulations"],"dc:title":["A study of the elongation of fibrils of the Alzheimer's amyloid beta protein with a coarse-grained force field"],"thesis:degree_discipline":["Physical Sciences and Mathematics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Doctor of Philosophy (PhD)"],"thesis:institution_name":["Physics and Astronomy"]},"updated_at":"2026-07-24T02:57:30Z"}