Browsing College of Science by Author "Szczupak, Boguslaw"
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Investigating tryptophan quenching of fluorescein fluorescence under protolytic equilibrium
Ryder, Alan G.; Szczupak, Boguslaw; Togashi, Denisio M.; Calvet, Amandine; O'Loughlin, Muireann (2009)Fluorescein is one of most used fluorescent labels for characterizing biological systems, such as proteins, and is used in fluorescence microscopy. However, if fluorescein is to be used for quantitative measurements involving ... -
Measuring the micro-polarity and hydrogen-bond donor/acceptor ability of thermoresponsive N-isopropylacrylamide/N-tert-butylacrylamide copolymer films using solvatochromic indicators
Szczupak, Boguslaw; Ryder, Alan G.; Togashi, Denisio M.; Rochev, Yuri A.; Glynn, Thomas J. (application/pdf, 2009)Thin polymer films are important in many areas of biomaterials research, biomedical devices, and biological sensors. The accurate in situ measurement of multiple physicochemical properties of thin polymer films is critical ... -
Measuring the Micro-Polarity and Hydrogen-Bond Donor/Acceptor Ability of Thermoresponsive N-Isopropylacrylamide/N-tert-Butylacrylamide Copolymer Films Using Solvatochromic Indicators
Ryder, Alan G.; Szczupak, Boguslaw; Togashi, Denisio M.; Rochev, Yuri A.; Glynn, Thomas J. (2009)Thin polymer films are important in many areas of biomaterials research, biomedical devices, and biological sensors. The accurate in situ measurement of multiple physicochemical properties of thin polymer films is critical ... -
Study of water adsorption in PolyN-isopropylacrylamide) thin films using fluorescence emission of 3-hydroxyflavone probes
Morris, Cheryl; Szczupak, Boguslaw; Ryder, Alan G. (ACS Publications, 2010)The noncontact measurement of water uptake in microscale , thermoresponsive poly(N-isopropylacrylamide) thin films is challenging. We assessed the efficacy of three different 3-hydroxyflavone (3-HF)-based fluorophores to ... -
Time-resolved fluorescence microspectroscopy for characterizing crude oils in bulk and hydrocarbon bearing fluid inclusions.
Ryder, Alan G.; Przyjalgowski, Milosz A.; Feely, Martin; Szczupak, Boguslaw; Glynn, Thomas J. (Ingenta, 2004)Time-resolved fluorescence data was collected from a series of 23 bulk crude petroleum oils and six microscopic hydrocarbon-bearing fluid inclusions (HCFI). The data was collected using a diode laser fluorescence lifetime ...