Very sharp discrimination functions for the timing of voice onset relative to stop release characterize perceptual boundaries between certain pairs of stop consonants for adult speakers of many languages. To explore how these discriminations depend on experience, their development was studied among Kikuyu children, whose native language contains no stops in which voicing is substantially delaye...

context biocompatible polymers are potentially effective for dental infections as delivery carriers of disinfectants or antibiotics into the root canal system (rcs). this study aimed to review polymeric microspheres enabling a controlled release of endodontic medicaments. evidence acquisition a literature search was carried out in the pubmed database (may 2013) using the following keywords: “po...

the aim of the current study was to design a porous osmotic pump–based drug delivery system for controlling the release of buspirone from the delivery system. the osmotic pump was successfully developed using symmetric membrane coating. the core of the tablets was prepared by direct compression technique and coated using dip-coating technique. drug release from the osmotic system was studied us...

adult-onset still’s disease (aosd) is a rare systemic inflammatory disorder of unknown etiology. there is not currently any specific serological markers for aosd , and  diagnosis still relying on the exclusion of other likely diagnoses. yamaguchi’s criteria are used as a diagnostic criterion which contains negative serologic markers for other collagen vascular diseases including systemic lupus ...

this survey-study carried out among 360 randomly selected farmers living in drought-prone areas of fars province, iran, set out to investigate the perceptions and psychologi-cal coping strategies of farmers when facing drought. results showed that farmers per-ceived drought as a threat to all of their resources (material, conditions, personal, social and energies) and used emotion-focused and r...

objective: in dental treatments, use of carriers for targeted antibiotic delivery would be optimal to efficiently decrease microbial count. in this study, gentamicin was loaded into polylactic co-glycolic acid (plga) microspheres and its release pattern was evaluated for 20 days.   methods: in this experimental study, plga microspheres loaded with gentamycin were produced by the w/o/w method. t...

the influence of various polymers on the release rate of lithium carbonate from matrix-type tablets was investigated in an attempt to formulate a sustained release solid dosage form. for this purpose, tablets containing 450 mg of lithium carbonate along with various amounts of carbopol 934p, 971p, 974p, pemulen and eudragit rlpo as retarding agents and inactive ingredients (e.g. pvp, avicel or ...

the effect of different kinds of surfactants in various concentrations incorporated in an inert matrix, on the release of procainamide hydrochloride, as a cationic model compound, was investigated in this study. sodium lauryl sulfate and sodium stearate as anionic surfactants, cetyl pyridinium chloride and cetyltrimethyl ammonium bromide as cationic and span 60 and tween 80 as non-ionic surfact...

Voice onset time (VOT) is one of the acoustic properties stop consonants. It a durational measure between release and vocal fold vibration. English voiceless stops are characterized by loss aspiration when preceded an initial /s/ their VOT largely reduced. This paper aims to examine this phenomenon in Bahdini Kurdish. seeks investigate effect on following whether variables place articulation, v...