Publications by authors named "B Eng"

This study investigates the application of an eNose (electrochemical sensory array) device as a rapid and cost-effective screening tool to detect increasingly prevalent counterfeit electronic cigarettes, and those to which potentially hazardous excipients such as vitamin E acetate (VEA) have been added, without the need to generate and test the aerosol such products are intended to emit. A portable, in-field screening tool would also allow government officials to swiftly identify adulterated electronic cigarette e-liquids containing illicit flavorings such as menthol. Our approach involved developing canonical discriminant analysis (CDA) models to differentiate formulation components, including e-liquid bases and nicotine, which the eNose accurately identified.

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Objective: Electronic cigarette (e-cigarette) use among adults in the United States continues to rise. Particularly concerning is the impact of e-cigarette aerosol inhalation on the oral mucosa. Aerosols are derived from a heated e-liquid base of propylene glycol/glycerin (PG/G) often mixed with nicotine and chemical flavors.

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Newborn screening identified a Chinese-Canadian infant who was positive for possible β-thalassemia (β-thal). Detailed family studies demonstrated that the proband was a compound heterozygote for the Chinese γ(γδβ)-thal deletion and a novel frameshift mutation within exon 3 (:c.336dup), and heterozygous for the Southeast Asian α-thal deletion (--/αα).

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We report two hemoglobinopathy cases involving a novel β-thalassemia (β-thal) nonsense mutation, c.199A > T. One patient had Hb S/β-thal, and a second unrelated patient had Hb D-Punjab/β-thal.

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We report a case of Hb S/β-thalassemia (Hb S/β-thal) in a patient who is a compound heterozygote for the Hb Sickle mutation (:c.20A > T) and a mutation of the canonical splice acceptor sequence of IVS1 (AG > TG, :c.93-2A > T).

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