AIM The complications of intraocular silicone oil include emulsification, which may lead to vision-threatening disorders such as keratopathy, secondary glaucoma and retinopathy. The authors study the effect of mechanical energy from surgical instruments on the emulsification of silicone oil. METHODS Three different handpieces (phacofragmentation, phacoemulsification, high-speed vitrectomy) we...

BACKGROUND Although lipoplasty is the most frequently performed aesthetic surgical procedure, ultrasound-assisted lipoplasty (UAL) has not been widely adopted because of its increased potential for complications, complex and bulky instrumentation, additional cost, and steep learning curve. OBJECTIVE We report on the use of the VASER ultrasound device in lipoplasty procedures and compare the c...

This work describes the development of an HPLC-FLD methodology for separation five fluoroquinolones (ciprofloxacin, enrofloxacin, sarafloxacin, norfloxacin and levofloxacin) followed by optimization DLLME process clean-up preconcentration enrofloxacin in samples seawater river water. The mobile phase used chromatographic consisted methanol: phosphate buffer (NaHPO4 H2O 0.04 M pH 3 with H3PO4 85...

The Yellow River Delta (YRD) is an important agricultural and ecological base that is being threatened by crude oil contamination. The remediation of the YRD can be potentially assisted by biosurfactants. Three native unknown biosurfactant-producing bacteria have been isolated (L1, L2, L3). In this paper, we measured the emulsification properties of the three biosurfactants in terms of emulsifi...

This paper would like to compare two extraction procedures for analyzing phthalates (PAEs) in hot drinks collected at vending machines, usually coffee and tea. The analytical are based on Solid Phase Extraction (SPE) using C18 cartridge dispersive liquid-liquid microextraction (DLLME) assisted by ultrasound vortex improving the dispersion mechanically, with each followed a routinary method such...