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A microstructural approach for modelling diffusion of bioactive macromolecules in porous polymersSaltzman, William Mark January 1987 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Harvard-MIT Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1987. / Bibliography: v. 2, leaves 335-343. / by William Mark Saltzman. / Ph.D.
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Nuclear spin transfer studies of chemical reactions in living systemsMcFarland, Eric W. (Eric Wesley) January 1987 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Harvard-MIT Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1987. / Bibliography: leaves 212-227. / by Eric W. McFarland. / Ph.D.
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Trabecular bone remodeling around implantsCheal, Edward John January 1986 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Harvard-MIT Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1986. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Bibliography: p. 332-347. / by Edward John Cheal. / Ph.D.
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Physical regulation of epiphyseal cartilage biosynthesis : responses to electrical, mechanical, and chemical signalsGray, Martha Lane January 1986 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Harvard-MIT Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1986. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Bibliography: leaves 194-205. / by Martha Lane Gray. / Ph.D.
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Mammalian cell clonal growth and secretion measurements using gel microdroplets and flow cytometryPowell, Kevin January 1989 (has links)
Thesis (Ph. D.)--Harvard University--Massachusetts Institute of Technology Division of Health Sciences and Technology, Program in Medical Engineering and Medical Physics, 1989. / Includes bibliographical references (leaves 94-98). / by Kevin Thomas Powell. / Ph.D.
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Thermodynamics and kinetics of ice nucleation inside biological cells during freezing : as applied to mouse oocytesToner, Mehmet January 1989 (has links)
Thesis (Ph. D.)--Harvard University--Massachusetts Institute of Technology Division of Health Sciences and Technology, Program in Medical Engineering and Medical Physics, 1989. / Includes bibliographical references (leaves 372-393). / by Mehmet Toner. / Ph.D.
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Integration of expert knowledge into computer-controlled databases in the medical domain : HEMAVID, a case studyChueh, Henry C January 1989 (has links)
Thesis (M.S.)--Harvard University--Massachusetts Institute of Technology Division of Health Sciences and Technology, Program in Medical Engineering and Medical Physics, 1989. / Includes bibliographical references (leaves [165]-[172]). / by Henry C. Chueh. / M.S.
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Mathematical tools and budgetary mechanisms for hospital cost controlValor Sabatier, Josep January 1985 (has links)
Thesis (Sc. D.)--Harvard--Massachusetts Institute of Technology Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1985. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE / Bibliography: leaves 140-146. / by Josep Valor Sabatier. / Sc.D.
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A study of polyethylene oxide-polysiloxane networks as biomaterials for drug releaseSung, Cynthia January 1989 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Harvard-MIT Division of Health Sciences and Technology Program in Medical Engineering and Medical Physics, 1989. / Includes bibliographical references. / by Cynthia Sung. / Ph.D.
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Carbon and water cycles in mixed-forest catchments: ecohydrological modeling of the influence of climate variability and invasive insect infestationKim, JiHyun 18 November 2015 (has links)
Temperate mixed forests are complex ecosystems composed of multiple vegetation types with very different physiological characteristics which are distributed over the landscape. This dissertation investigates the influence of these mixed plant landscapes on eddy-covariance flux data, and in particular, uses an ecohydrological model to study the influence of climate variability and insect infestation on a mixed forest at the Harvard Forest Long Term Ecological Research site in Massachusetts.
There are significant seasonal and interannual variabilities in the extent and the orientation of the footprints of a flux tower (EMS-tower) as the Harvard Forest. The Gross Primary Productivity (GPP) flux was found to be largely dependent on the vegetation density during the green-up and senescence periods, but not during the mature period. Half of the interannual anomalies in the mature period GPP flux can be explained by the variation in the proportion of coniferous evergreen needleleaf forest (ENF) in the footprint. Every 1% decrease of ENF resulted in the increase of the GPP flux by 20 gC m-2.
The spatially-distributed process-based Regional Hydro-Ecological Simulation System (RHESSys) model was implemented in two headwater catchments at the Harvard Forest to simulate water and carbon cycles from 1992 to 2008. Results were evaluated using field measurements such as streamflow and the GPP and evapotranspiration (ET) fluxes at two flux towers. The simulated annual GPP flux of the deciduous forest showed strong and significant long-term increases, six times higher than the GPP flux of the coniferous forest, while the increase in ET flux of both forests was small yet significant.
The Harvard Forest was infested by Hemlock Woolly Adelgid (HWA) between 2004 and 2008, and although there has not yet been a significant increase in the total annual mortality, the small stature stands have started to die off by 5.7%. The HWA infestation has already resulted in an increased streamflow in the catchment dominated by hemlock stands (44% in area). In 2014, the increased annual streamflow was estimated as 81 mm using the RHESSys model with an embedded representation of the HWA-induced loss of water conductivity (calibrated using the Hemlock tower ET flux).
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