Research
Research
Research
Research
66+ open-access research outputs.
Respiratory particle generation and dispersal during nasoendoscopy and swab testing is studied with high-speed video and laser light illumination. Video analysis reveals droplet formation in three man…
We report high optical enhancement in Ag/Au alloys and porous gold nanostructures using Surface Enhanced Raman Spectroscopy (SERS) technique. Scanning electron microscopy investigation shows the forma…
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 …
Several studies have measured the effectiveness of masks at retaining particles of various sizes in vitro . To identify a functional in vivo model, herein we used germ-free (GF) mice to test the effec…
This study focuses on PRL, GH, beta-endorphin and cortisol in maternal blood and amniotic fluid during human pregnancy. Maternal blood and amniotic fluid samples were obtained from 18 normal pregnant …
1. The present study investigated the effect of prior administration of nifedipine on AVP-induced ACTH release in seven normal volunteers. Three protocols were used: 20 mg oral nifedipine; 0.14 presso…
Abnormalities in the vasopressin and renin systems have been reported in spontaneously hypertensive rats (SHR). Therefore, studies were performed to evaluate the responsiveness of these systems to cha…
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…
OBJECTIVE: To assess the effects of body weight, body composition, parental obesity, and metabolic variables on the development of obesity in a large cohort of 5-year-old Native American children with…
Two fluorometric methods for analysis of hydrochlorothiazide (HCT) are described utilizing direct measurement of thin-layer plates. The first method employs a modification of the Bratton-Marshall reac…
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…
A new method of analysis has allowed the exonucleolytic cleavage by human 3'-exonuclease to be determined. Hydrolysis by human plasma 3'-exonuclease proceeds with retention of configuration at phospho…
We introduce the use of silicon (Si) as a substrate for the electroformation of giant phospholipid vesicles. By taking advantage of the tunability of silicon surface properties, we varied the organiza…
Phosphatidylserine decarboxylase activity has been characterized in membrane preparations from Clostridium butyricum ATCC 19398. A particulate fraction was shown to catalyze the formation of phosphati…
In this work, we theoretically investigate the implications of streaming potential on the transport and size-based separation of charged solutes in nanoscale confinements. By employing a regular pertu…
The normal or hyperdynamic circulatory response during the early phases of the systemic septic response is associated with renal microvascular constriction and can result in renal dysfunction. Intrare…
As-fabricated deep reactive ion etched (DRIE) silicon mold with very high aspect ratio (>10) feature patterns is unsuitable for poly(dimethylsiloxane) (PDMS) replication because of the strong interact…
BACKGROUND: Gestational diabetes is a risk factor for perinatal complications; include shoulder dystocia, birth injuries such as bone fractures and nerve palsies. It is associated with later developme…
We have developed an implantable glucose sensor based on a new tri-layer membrane configuration. The needle-type sensor integrates a Pt working electrode and a Ag/AgCl reference electrode. Its size is…
OBJECTIVE: To develop a compact probe that can be used to monitor humidity in ventilator care equipment. A mesoporous film of alternate layers of Poly(allylamine hydrochloride) (PAH) and silica (SiO2)…
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