UMBC Chemistry & Biochemistry Department
Browse by
Recent Submissions
-
Novel fluorescent oxygen indicator for intracellular oxygen measurements
(SPIE, 2002-07-01)Intracellular oxygen concentration is of primary importance in determining numerous physiological and pathological processes in biological systems. In this paper, we describe the application of the oxygen sensing ... -
Nanocomposite particles containing semiconductor and magnetic nanocrystals: fabrication and characterization
(SPIE, 2004-12-29)In this paper several approaches to fabricate semiconductor magnetic nanocomposite are reported. Several thiol- and amino- silane cross linked molecules were used to couple and embed CdSe and Fe3O4 nanoparticles into silica ... -
FRET-based luminescence sensors for carbohydrates and glycoproteins analysis
(SPIE, 2004-12-07)This paper describes the development of novel particle-based fluorescence resonance energy transfer (FRET) biosensors. It describes the fundamentals of FRET in heterogeneous systems and the application of the new sensors ... -
Advances in zinc sensors for studying zinc release events from pancreatic cells
(SPIE, 2006-10-25)This paper describes the fabrication and characterization of the analytical properties of fluorescence-based zinc ion sensing glass slides and antibody based zinc sensors and their application in monitoring zinc release ... -
Luminescent quantum dots for cellular analysis
(SPIE, 2006-10-19)The paper describes the fabrication, characterization and applications of novel luminescent quantum dots fluorescence resonance energy transfer (FRET) based enzymatic activity probes. The luminescent probes are based on ... -
Point-of-care biosensor systems for cancer diagnostics/prognostics
(Elsevier, 2006-02-13)With the growing number of fatalities resulting from the 100 or so cancer-related diseases, new enabling tools are required to provide extensive molecular profiles of patients to guide the clinician in making viable diagnosis ... -
Effect of an Oscillating Magnetic Field on the Release Properties of Magnetic Collagen Gels
(ACS Publications, 2006-05-13)The paper describes the effect of an oscillating magnetic field (OMF) on the morphology and release properties of collagen gels containing magnetic nanoparticles and microparticles and fluorescent drug analogues. Collagen ... -
Quantum Dot FRET-Based Probes in Thin Films Grown in Microfluidic Channels
(ACS Publications, 2010-01-14)This paper describes the development of new fluorescence resonance energy transfer (FRET)-based quantum dot probes for proteolytic activity. The CdSe/ZnS quantum dots are incorporated into a thin polymeric film, which is ... -
Gold Nanoparticle−Quantum Dot−Polystyrene Microspheres as Fluorescence Resonance Energy Transfer Probes for Bioassays
(ACS Publications, 2011-01-31)The paper describes the development of highly sensitive particle-based fluorescence resonance energy transfer (FRET) probes that do not use molecular fluorophores as donors and acceptors. In these probes, CdSe/ZnS luminescent ... -
Addition of Fluorescence Lifetime Spectroscopy to the Tool Kit Used to Study the Formation and Degradation of Luminescent Quantum Dots in Solution
(ACS Publications, 2017-02-28)The increasing commercialization of consumer electronic products that make use of II–VI semiconductor quantum dots (QDs) has raised significant concerns about their impact on natural systems and human health once they are ... -
Investigation of phosphorous doping effects on polymeric carbon dots: Fluorescence, photostability, and environmental impact
(Elsevier, 2017-12-05)Carbon dots have arisen as a potential alternative to traditional quantum dots since they fluoresce but are synthesized from sustainably sourced green chemicals. Herein, fluorescent nitrogen-doped polymeric carbon dots ... -
Malic Acid Carbon Dots: From Super-resolution Live-Cell Imaging to Highly Efficient Separation
(ACS Publications, 2018-06-08)As-synthesized malic acid carbon dots are found to possess photoblinking properties that are outstanding and superior compared to those of conventional dyes. Considering their excellent biocompatibility, malic acid carbon ... -
Structure–Property Relationships of Amine-rich and Membrane-Disruptive Poly(oxonorbornene)-Coated Gold Nanoparticles
(ACS Publications, 2018-03-21)The article describes the interactions between poly (oxonorbornenes) (PONs)-coated gold nanoparticles (AuNPs) with phospholipid vesicles and shows that the strength of these interactions strongly depends on the molecular ... -
A Personalized Automated Email Tool to Connect Faculty with Students in Large STEM Courses
(The Chemical Educator, 2019-12-31)Undergraduate student success in science, technology, engineering, and mathematics (STEM) majors often hinges on the satisfactory completion of large gateway introductory courses such as general chemistry. First-year or ... -
Adverse Interactions of Luminescent Semiconductor Quantum Dots with Liposomes and Shewanella oneidensis
(ACS Publications, 2018-08-10)Cadmium-containing luminescent quantum dots (QD) are increasingly used in display, bioimaging, and energy technologies; however, significant concerns have been raised about their potentially adverse impact on human health ... -
Synthesis and Degradation of Cadmium-Free InP and InPZn/ZnS Quantum Dots in Solution
(ACS Publications, 2018-10-23)This study advances the chemical research community toward the goal of replacing toxic cadmium-containing quantum dots (QDs) with environmentally benign InP QDs. The InP QD synthesis uniquely combines the previously reported ... -
Variations in electronic states of coumarin hexanethiolate-labeled i-Au²⁵ and bi-Au²⁵ clusters
(Springer Nature, 2019-09-20)Au₂₅(C₆H₁₄S)₁₈ - icosahedron and [Au₂₅(PPh)₁₀(C₆H₁₄S)₅Cl₂]²⁺ bi-icosahedron clusters were synthesized. Ligand exchange reactions were carried out with a new coumarin-derived fluorophore (Cou-SH) to label both clusters. ... -
Poly(oxanorbornene)-Coated CdTe Quantum Dots as Antibacterial Agents
(ACS Publications, 2020-01-01)In this study, synthetic mimics of antimicrobial peptides based on poly(oxanorbornene) molecules (or PONs) were used to coat CdTe quantum dots (QDs). These PONs-CdTe QDs were investigated for their activity against Escherichia ... -
A day to celebrate chemistry’s favorite unit — the mole. But what’s a mole?
(The Conversation, 2018-10-22)
RSS 1.0