{"id":{"repo_id":"u-pacific","oai_identifier":"oai:scholarlycommons.pacific.edu:uop_etds-1483"},"canonical_url":"https://search.dev.ndltd.org/etd/u-pacific/oai:scholarlycommons.pacific.edu:uop_etds-1483","repository":{"repo_id":"u-pacific","name":"University of the Pacific","base_url":"https://scholarlycommons.pacific.edu/do/oai/"},"display":{"title":"In vitro comparison of methylene diphosphonate radiopharmaceuticals","abstract":"<p>The radiopharmaceutical methylene diphosphonate (MDP) is a relatively new diagnostic tool and currently in widespread use as a gone imaging agent to delineate areas of altered osteogenesis. MDP is chelated with radioactive technetium-99m (Tc99m) and injected into the venous system of the body. It quickly clears from the bloodstream and is deposited into areas of bone transformation. Osteoporosis, primary carcinoma, bony metastases, osteomyelitis, and stress fractures are diagnosed with the use of Tc99m-MDP (1). In the presence of disease, the biodistribution of Tc99m-MDP is altered and this change is reflected in the images or scans. Ideally, the product would show a high ration of radioactivity in the target organ tot that of the surrounding tissue, with a minimization of radiation exposure to the patient.</p>The purpose of this study will be to investigate Methylene Diphosphonate radiopharmaceuticals for their binding efficiencies, stability, and subsequent changes due to varying technetium levels. </p>","abstract_html":"&lt;p&gt;The radiopharmaceutical methylene diphosphonate (MDP) is a relatively new diagnostic tool and currently in widespread use as a gone imaging agent to delineate areas of altered osteogenesis. MDP is chelated with radioactive technetium-99m (Tc99m) and injected into the venous system of the body. It quickly clears from the bloodstream and is deposited into areas of bone transformation. Osteoporosis, primary carcinoma, bony metastases, osteomyelitis, and stress fractures are diagnosed with the use of Tc99m-MDP (1). In the presence of disease, the biodistribution of Tc99m-MDP is altered and this change is reflected in the images or scans. Ideally, the product would show a high ration of radioactivity in the target organ tot that of the surrounding tissue, with a minimization of radiation exposure to the patient.&lt;/p&gt;The purpose of this study will be to investigate Methylene Diphosphonate radiopharmaceuticals for their binding efficiencies, stability, and subsequent changes due to varying technetium levels. &lt;/p&gt;","abstract_has_math":false,"creators":["Costanzo, Jerry Lee"],"institution":null,"degree_name":"Master of Science (M.S.)","degree_level":"Thesis","degree_discipline":"Graduate School","degree_department":null,"school":null,"contributors":["Donald Floriddia"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1985,"date_issued":"1985-01-01T08:00:00Z","date_published":"1985-01-01T08:00:00Z","updated_at":"2026-07-24T05:36:28Z","subjects":["Diphosphonates","Radiopharmaceuticals","Drug stability","Technetium","Medicine and Health Sciences"],"languages":[],"rights":[],"rights_urls":["http://rightsstatements.org/vocab/NKC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://scholarlycommons.pacific.edu/uop_etds/484","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Donald Floriddia"]},{"key":"dc:creator","label":"Author","values":["Costanzo, Jerry Lee"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["1985-01-01T08:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Graduate School"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (M.S.)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Diphosphonates","Radiopharmaceuticals","Drug stability","Technetium","Medicine and Health Sciences"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["http://rightsstatements.org/vocab/NKC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholarlycommons.pacific.edu/uop_etds/484"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>The radiopharmaceutical methylene diphosphonate (MDP) is a relatively new diagnostic tool and currently in widespread use as a gone imaging agent to delineate areas of altered osteogenesis. MDP is chelated with radioactive technetium-99m (Tc99m) and injected into the venous system of the body. It quickly clears from the bloodstream and is deposited into areas of bone transformation. Osteoporosis, primary carcinoma, bony metastases, osteomyelitis, and stress fractures are diagnosed with the use of Tc99m-MDP (1). In the presence of disease, the biodistribution of Tc99m-MDP is altered and this change is reflected in the images or scans. Ideally, the product would show a high ration of radioactivity in the target organ tot that of the surrounding tissue, with a minimization of radiation exposure to the patient.</p>The purpose of this study will be to investigate Methylene Diphosphonate radiopharmaceuticals for their binding efficiencies, stability, and subsequent changes due to varying technetium levels. </p>"]},{"key":"dc:source","label":"Dc Source","values":["109"]},{"key":"dc:title","label":"Title","values":["In vitro comparison of methylene diphosphonate radiopharmaceuticals"]}]}],"canonical_facts":{"dc:contributor":["Donald Floriddia"],"dc:creator":["Costanzo, Jerry Lee"],"dc:date.available":["1985-01-01T08:00:00Z"],"dc:description.abstract":["<p>The radiopharmaceutical methylene diphosphonate (MDP) is a relatively new diagnostic tool and currently in widespread use as a gone imaging agent to delineate areas of altered osteogenesis. MDP is chelated with radioactive technetium-99m (Tc99m) and injected into the venous system of the body. It quickly clears from the bloodstream and is deposited into areas of bone transformation. Osteoporosis, primary carcinoma, bony metastases, osteomyelitis, and stress fractures are diagnosed with the use of Tc99m-MDP (1). In the presence of disease, the biodistribution of Tc99m-MDP is altered and this change is reflected in the images or scans. Ideally, the product would show a high ration of radioactivity in the target organ tot that of the surrounding tissue, with a minimization of radiation exposure to the patient.</p>The purpose of this study will be to investigate Methylene Diphosphonate radiopharmaceuticals for their binding efficiencies, stability, and subsequent changes due to varying technetium levels. </p>"],"dc:identifier":["https://scholarlycommons.pacific.edu/uop_etds/484"],"dc:rights":["http://rightsstatements.org/vocab/NKC/1.0/"],"dc:source":["109"],"dc:subject":["Diphosphonates","Radiopharmaceuticals","Drug stability","Technetium","Medicine and Health Sciences"],"dc:title":["In vitro comparison of methylene diphosphonate radiopharmaceuticals"],"thesis:degree_discipline":["Graduate School"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science (M.S.)"]},"updated_at":"2026-07-24T05:36:28Z"}