نتایج جستجو برای: MDLS
تعداد نتایج: 67 فیلتر نتایج به سال:
We use linear rheology and multispeckle dynamic light scattering (MDLS) to investigate the aging of a gel composed of multilamellar vesicles. Light scattering data indicate rearrangement of the gel through an unusual ultraslow ballistic motion. A dramatic slowdown of the dynamics with sample age t(w) is observed for both rheology and MDLS, the characteristic relaxation time scaling as t(mu)w. W...
OBJECTIVE To evaluate the oncologic results of transoral endolaryngeal microscopic diode laser surgery (MDLS) and radiotherapy (RT) for T1 and T2 glottic carcinoma. STUDY DESIGN Case series with planned chart review. SETTING Ankara Oncology Education and Research Hospital. SUBJECTS AND METHODS The study was conducted on a series of 140 cases of early glottic carcinoma (T1, T2) treated wit...
Mixed ductal-lobular carcinomas (MDLs) show both ductal and lobular morphology, and constitute an archetypal example of intratumoural morphological heterogeneity. The mechanisms underlying the coexistence of these different morphological entities are poorly understood, although theories include that these components either represent 'collision' of independent tumours or evolve from a common anc...
Double layers (DLs) are nonlinear potential structures in plasmas, consisting of two adjacent layers of positive and negative space charges, in which the potential jumps, thereby creating an electric field. They were intensively investigated in the last decades because of their frequent occurrence in almost all possible devices: tokamaks, spheromaks, thermionic converters, Q-machines, double pl...
A rapid gas chromatography-tandem mass spectrometry (GC-MS/MS) analytical method was developed for the simultaneous analysis of 7 estrogenic hormones (17α-estradiol, 17β-estradiol, estrone, mestranol, 17α-ethynylestradiol, levonorgestrel, estriol) and 5 androgenic hormones (testosterone, androsterone, etiocholanolone, dihydrotestosterone, androstenedione) in aqueous matrices. This method is uni...
OBJECTIVE To present the prenatal magnetic resonance imaging (MRI) and ultrasound findings of Miller-Dieker lissencephaly syndrome (MDLS) associated with chromosome 17p13.3 deletion in a fetus. CASE REPORT A 30-year-old, primigravid woman was referred to the hospital at 31 weeks' gestation because of intrauterine growth restriction (IUGR) and polyhydramnios detected by ultrasound. The pregnan...
A method has been developed for the determination of eight N-nitrosamines in drinking water and treated municipal effluent. The method uses solid phase extraction (SPE), gas chromatography (GC) and analysis by tandem mass spectrometry (MS-MS) with electron ionization (EI). The target compounds are N-nitrosodimethylamine (NDMA), N-nitrosomethyethylamine (NMEA), N-nitrosodiethylamine NDEA), N-nit...
A new method to measure the trace elemental composition of size-resolved airborne particles that uses acetone extraction followed by ICPMS analysis is compared to three other established methods: copper anode XRF, molybdenum anode XRF, and an ICPMS method that uses HF digestion. The method detection limit (MDL), accuracy, and precision of each method is studied through the analysis of ambient s...
Multidistrict litigation (MDL) is unorthodox, modern civil procedure. It is an old-but-new procedural tool that significantly disrupts decades of worked-out doctrinal equilibria—and, now comprising a shocking 39% of the cases on the civil docket, MDLs warrant more attention than they have received. The MDL puts a thumb on the scale of nationalism over federalism, consent over adversity, procedu...
We report comparison of lasing dynamics in InAs quantum dot (QD) micro-disk lasers (MDLs) monolithically grown on V-groove patterned and planar Si (001) substrates. TEM characterizations reveal abrupt interfaces and reduced threading dislocations in the QD active regions when using the GaAs-on-V-grooved-Si template. The improved crystalline quality translates into lower threshold power in the o...
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