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 27 for “"Fragrances"”.
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Contact allergy to fragrances with a focus on oak moss absolute
The exposure to fragrances is widespread and contact allergy to fragrance substances affects 1–4% of the general population. Many fragrance substances are volatile and it can therefore be suspected that they may evaporate from petrolatum patch test preparations applied in test chambers. In the …
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Consumer preference within a wide range of fragrances by Lee Jay Alter.
Thesis (B.S.)--Massachusetts Institute of Technology, School of Industrial Management, 1960.
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Rational design of microparticles for enhanced fragrance delivery
The effective delivery of fragrances in consumer products is a challenging problem. For example, fragrances in commercial laundry detergents or fabric softeners may not adsorb efficiently onto clothes during the vigorous washing process. In addition, fragrances consist of volatile ingredients that …
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WayFinding: A Story Told Through The Senses
… that centered around different textures, floral fragrances, and light quality. This is a story that takes you on a journey through a community center and narrates how the different senses are engaged, specifically with regards to wayfinding. In three different chapters you will feel the touch of …
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Interactive olfactory surfaces: The Wellness Collection: a science fashion story
… system by 're-cabling' fabrics for releasing fragrances in 21st century fashion design. A new development, taking inspiration from biology, conjures up Multi-Sensorial Fabrics - based around the sense of smell. Using the theory that 'Smell Is Nanotechnology' and that biology works by …
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Engineering a novel pathway for isoprenoid synthesis
… fields spanning medicine, agriculture, flavors, fragrances, cosmetics and nutrition. Biological production of isoprenoids in microbes is considered to be the most efficient and commercially viable way for their large-scale production. Thus far, isoprenoid biosynthesis has been performed through …
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Catalytic one-carbon homologation of alkenes
… agents, natural products, agrochemicals and fragrances. Consequently, the development of efficient and direct methods for one-carbon homologation represents an important goal in organic synthesis. While homologation strategies are available for several functional groups, direct and broadly …
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Radio Spring
… dial and listening to a new song play over the fragrances of the blooms.</p>
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Supply chain network considerations for e-retail of luxury goods in Canada
… men, and children; home goods, accessories; and fragrances. RL Corporation houses many labels that constitute premium and luxury offerings. RL currently sells through the Internet in many countries, in addition to countless company owned stores, 9 flagship stores, department stores and boutiques …
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Modification and Upcycling of Polyetherimide, Polystyrene, Polyethylene, and Polypropylene
… Based on the Deg-Up strategy, PS is converted to fragrances and drug precursors, and PE and PP are Deg-Up to fats and soaps. The economic and industrial possibilities are also discussed through a preliminary industrial design and an economic analysis.
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Chemical Micro Preconcentrators Development for Micro Gas Chromatography Systems
… forensic/security, and flavors and fragrances industries. A MEMS-based micro GC (µGC) provides capabilities for quantitative analysis of complex chemical mixtures in the field with very short analysis time and small amounts of consumables. The aim of this research effort is to …
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Evaluating the Dual Role of Municipal Wastewater Treatment Plants in the Removal Efficiency and Environmental Emission of Microplastics
… including metal(loid)s, synthetic musk fragrances, sunscreens, pharmaceuticals, organophosphate flame retardants, and pesticides. Different polymer types, such as polyethylene, polypropylene, and polystyrene, were evaluated for their pollutant retention capacities, with polystyrene …
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Occurrence of Pharmaceuticals and Personal Care Products (PPCP) & Artificial Sweeteners (AS) in Surface Waters of Maryland's Chesapeake Bay Western Shore
… antibiotics, over-the-counter medications, fragrances, and cleansers. AS are synthetic sugar substitutes, ubiquitous in everyday food and drink, including soft drinks, baked food and dairy products. The widespread use of PPCP and AS by human populations results in their sustained …
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Art as integral part of architectural space
… of sound, water, time (celestial movement), fragrances, and even living creatures in designing places. I hope this will stimulate creative thinking about using not just visual effects in the design of our living environment, but employing acoustic, olfactory, astronomical, ecological, and …
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Dynamic regulation of pathways by down-regulating competing enzymes
… precursors, fuel alternatives, flavors and fragrances. Achieving high yields of a product is often restricted by the interconnectivity of pathways in cells and finite nature of cellular resources. To overcome these limitations, dynamic pathway regulation has emerged as a strategy to balance …
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Natural product discovery: studies on the phenolic antioxidants from Smilax Glyciphylla and the synthesis and formation of Guaiane Sesquiterpenoids.
… of certain precursors to the sesquiterpneoid fragrances rotundone and 2R-bulnesol. A total of five publications support my research works herein and are included as the main research chapters of this thesis.
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The Chlorination of Pharmaceuticals and Other Phenolic Compounds in the Presence of Iodide
… such as prescription and over-the-counter drugs, fragrances, diagnostic agents, and a litany of other compounds commonly added to household products such as sunscreens, soaps, toothpastes, and deodorants. If present in natural waters, PPCPs can come into contact with disinfectants during drinking …
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Examining the associations of endogenous hormones and phthalate exposure with sleep in midlife women
… cosmetics, personal care products, and fragrances. Exposure to phthalates has been associated with sleep problems in adult men and women. However, no studies have examined the association between phthalates and sleep in women of advanced reproductive age. In my dissertation, I examined …
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Mechanistic investigations on polyprenyl transferases and multi-target antibiotic discovery
… DMAPP molecules and form LPP, a precursor of the fragrances (R)-lavandulol and (R)-lavandulyl acetate. The active sites of LPPS were examined and compared with cis- head-to-tail prenyl transferase UPPS, and site-directed mutagenesis study was conducted. We proposed the first structure-based …
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