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🔍 daniel e. steffy 📂 Physics 📄 Peer-Reviewed
Showing 39 results for "daniel e. steffy" in Physics · Peer-Reviewed
Physics Peer-Reviewed PDF DOI

Aerosol boxes decrease aerosol exposure only in depressurized rooms during aerosol-generating procedures in a simulation study.

Wataru Sakai, Gen Hasegawa, Tomohiro Chaki, Shunsuke Tachibana, Michiaki Yamakage · 2021

The aim of this study was to compare aerosol exposure with or without an aerosol box in a pressurized/depressurized room during aerosol-generating procedures using an experimental model. Cake flour (a…

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Physics Peer-Reviewed PDF DOI

Effectiveness of Common Fabrics to Block Aqueous Aerosols of Virus-like Nanoparticles.

Steven R Lustig, John J H Biswakarma, Devyesh Rana, Susan H Tilford, Weike Hu, Ming Su, Michael S Rosenblatt · 2021

Layered systems of commonly available fabric materials can be used by the public and healthcare providers in face masks to reduce the risk of inhaling viruses with protection that is about equivalent …

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Physics Peer-Reviewed PDF DOI

Pharmacokinetic study on piroxicam at the steady-state in elderly subjects and younger adults after administration of piroxicam beta-cyclodextrin.

 · 1970

The age effect on the kinetics of piroxicam at the steady-state after oral administration of piroxicam beta-cyclodextrin was evaluated. The mean plasma concentration of piroxicam at the steady-state w…

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Physics Peer-Reviewed PDF DOI

Maur?cio Rocha e Silva MD: snake venom, bradykinin and the rise of autopharmacology.

 · 1970

Maur?cio Rocha e Silva is well known as the discoverer of bradykinin, the powerful hypotensive and smooth muscle stimulating polypeptide which was first detected in plasma following the addition of Bo…

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Physics Peer-Reviewed PDF DOI

Gravity-induced absorption changes in Phycomyces blakesleeanus during parabolic flights: first spectral approach in the visible.

 · 1970

Gravity-induced absorption changes as experienced during a series of parabolas on the Airbus 300 Zero-G have been measured previously pointwise on the basis of dual-wavelength spectroscopy. Only the t…

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Physics Peer-Reviewed PDF DOI

Chemical patterning of ultrathin polymer films by direct-write multiphoton lithography.

 · 1970

We applied 2-photon laser ablation to write subdiffraction nanoscale chemical patterns into ultrathin polymer films under ambient conditions. Poly(ethylene glycol) methacrylate brush layers were prepa…

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Physics Peer-Reviewed PDF DOI

Chemotactic clusters in confined run-and-tumble bacteria: a numerical investigation.

 · 1970

We present a simulation study of pattern formation in an ensemble of chemotactic run-and-tumble bacteria, focussing on the effect of spatial confinement, either within traps or inside a maze. These ge…

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Physics Peer-Reviewed PDF DOI

Oxygen derived free radicals and the course of Eimeria vermiformis infection in inbred strains of mice.

 · 1970

Free radical generation by peritoneal leukocytes from BALB/c and C57BL/6 mice was monitored for 18 days following infection with Eimeria vermiformis. Free radical generation occurred earlier and was q…

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Physics Peer-Reviewed PDF DOI

Fluorene-based metal-ion sensing probe with high sensitivity to Zn2+ and efficient two-photon absorption.

 · 1970

The photophysical, photochemical, two-photon absorption (2PA) and metal ion sensing properties of a new fluorene derivative (E)-1-(7-(4-(benzo[d]thiazol-2-yl)styryl)-9,9-bis(2-(2-ethoxyethoxy)ethyl)-9…

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Physics Peer-Reviewed PDF DOI

Adsorption behaviour of bulgur.

 · 1970

The aim of this research was to determine the adsorption behaviour of bulgur. Three different particle sizes (2<coarse<3.5, 1.6<medium<3.0, 0.5<fine<2.0 mm) of bulgur, purchased from market, were kept…

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Physics Peer-Reviewed PDF DOI

Prostaglandin E2-induced release of luteinizing hormone-releasing factor (LRF).

 · 1970

Prostaglandin E2 (PGE2) injected into the third ventricle (3rd V) of conscious ovariectomized rats bearing a permanent jugular cannula increased the percentage of plasma samples showing detectable imm…

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Physics Peer-Reviewed PDF DOI

Index-matched indium tin oxide electrodes for capacitive touch screen panel applications.

 · 1970

Index-matched indium tin oxide (ITO) electrodes for capacitive touch screen panels have been fabricated to improve optical transmittance and reduce the difference of reflectance (deltaR) between the e…

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Physics Peer-Reviewed PDF DOI

Prospect for characterizing interacting soft colloidal structures using spin-echo small angle neutron scattering.

 · 1970

Spin-echo small angle neutron scattering (SESANS) provides a new experimental tool for structural investigation. Due to the action of spin-echo encoding, SESANS measures a spatial correlation function…

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Physics Peer-Reviewed PDF DOI

Reabsorption and secretion of alpha-ketoglutarate along the rat nephron: a micropuncture study.

 · 1970

The transport of alpha-ketoglutarate (alpha-KG) across the luminal membrane of the rat nephron was studied by micropuncture and microassay techniques. In normal and acidotic rats, approximately 75% of…

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Physics Peer-Reviewed PDF DOI

Suppression of IgE antibody response against ovalbumin by the chemical conjugate of ovalbumin with a polyaspartic acid derivative.

 · 1970

Ovalbumin was modified with alpha,beta-poly[(2-hydroxyethyl)-DL-aspartamide] which had been developed as a nontoxic plasma expander. Preadministration of the modified ovalbumin suppressed both primary…

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Physics Peer-Reviewed PDF DOI

Influence of prototropic reactions on the absorption and fluorescence spectra of methyl p-dimethylaminobenzoate and its two ortho derivatives.

 · 1970

The influence of prototropic reactions on the spectral characteristics of methyl p-dimethylaminobenzoate (I) and its o-methoxy (II) and o-hydroxy (III) derivatives has been studied using steady-state …

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Physics Peer-Reviewed PDF DOI

Central, peripheral and resistance arterial reactivity: fluctuates during the phases of the menstrual cycle.

 · 1970

The purpose of this study was to document the temporal changes in vascular reactivity occurring simultaneously in central, peripheral and microvascular resistance arteries in the same cohort of women …

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Physics Peer-Reviewed PDF DOI

Whole-grain and refined wheat flours show distinct metabolic profiles in rats as assessed by a 1H NMR-based metabonomic approach.

 · 1970

The protection against diabetes and cardiovascular disease provided by whole-grain cereal consumption has been attributed to the fiber and micronutrients present in the bran. But exactly how this occu…

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Physics Peer-Reviewed PDF DOI

On the pH-dependent quenching of quantum dot photoluminescence by redox active dopamine.

 · 1970

We investigated the charge transfer interactions between luminescent quantum dots (QDs) and redox active dopamine. For this, we used pH-insensitive ZnS-overcoated CdSe QDs rendered water-compatible us…

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Physics Peer-Reviewed PDF DOI

Study of the time-course of cis/trans (Z/E) isomerization of lycopene, phytoene, and phytofluene from tomato.

 · 1970

In this study we investigated the formation of isomers of lycopene, phytoene, and phytofluene from tomato and their theoretical energy. The results indicated that certain (Z)-isomers are favored therm…

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