The non-cancer adverse health effects of formaldehyde are largely a manifestation of its ability to irritate mucous membranes. As a result of its solubility in water and high reactivity, formaldehyde is efficiently absorbed into the mucus layers protecting the eyes and respiratory tract where it rapidly reacts, leading primarily to localized irritation. Acute high exposure may lead to eye, nose...

Although conjunctival squamous cell carcinoma is known to develop as a result of chronic irritation from wearing an ocular prosthesis, orbital sebaceous gland carcinoma arising in an anophthalmic pocket is extremely rare. We report a 68-year-old female who developed a sebaceous gland carcinoma 65 years after her right eye was enucleated (at the age of three years) due to congenital glaucoma. Th...

Explanation.................................................................................................. 256 Evaluation for acceptable daily intake......................................................... 256 Biochemical aspects............................................................................... 256 Absorption, distribution, and excretion ...........................................

Based on acute and chronic inhalation studies conducted mostly in experimental animals, the target tissue for acetaldehyde has consistently been at the portal of entry with effects occurring primarily in the upper respiratory tract at lowest concentrations. The major noncancer health effects of acute exposure in humans to acetaldehyde vapors consist of irritation to the eyes, skin, and respirat...

The non-cancer adverse health effects of formaldehyde are largely a manifestation of its ability to irritate mucous membranes. As a result of its solubility in water and high reactivity, formaldehyde is efficiently absorbed into the mucus layers protecting the eyes and respiratory tract where it rapidly reacts, leading primarily to localized irritation. Acute high exposure may lead to eye, nose...

This cross-sectional study was intended to identify the eye care seeking behavior among the elderly in urban area of Magway Township, Myanmar. This study used stratified random sampling method. The population consisted of 196 elderly from 4 areas in Magway Township who were interviewed through the use of a structured questionnaire during the period from 1 April to 30 April 2015. Chi-square and ...

BACKGROUND The large quantities of chemical oil dispersants used in the oil spill response and cleanup (OSRC) work following the Deepwater Horizon disaster provide an opportunity to study associations between dispersant exposure (Corexit™ EC9500A or EC9527A) and human health. OBJECTIVES Our objectives were to examine associations between potential exposure to the dispersants and adverse respi...

In a series of experiments, we looked at a "cutoff" effect for the detection of eye irritation from neat vapors of homologous n-alkylbenzenes and 2-ketones. Stimuli comprised pentyl, hexyl, and heptyl benzene, 2-dodecanone, and 2-tridecanone, presented to each eye at 4 and 8 l/min for 6 sec, using a three-alternative forced-choice procedure against blanks. Detection probability corrected for ch...

The upper airway (extending from the nares to larynx) fulfills essential physiologic functions, including sensation, air conditioning, filtration, and communication. As the portal of entry for the respiratory tract, the upper airway's sentinel function is performed by the olfactory and trigeminal nerves. Sensory (eye, nose and throat) irritation figures prominently in symptom reporting in so-ca...

To further improved the water solubility of fullerene, a new cyclodextrin and fullerene derivative was synthesized in this paper. NMR, elemental analysis, spectral tunnel scanning electron microscopy X powder diffraction were used to characterize material. Spectral analysis showed that assembly had wide acromion at 343nm large tail band absorption range 350-600nm, indicating presence C60. From ...