Let’s say that you wanted to determine the heavy metal identities and concentrations in sediment and suspended solid samples obtained from present day Lake Nakuru. What technique would you use for this determination? You could use Atomic Absorption Spectroscopy (AAS) as was done in the article (Nelson 1998), but another technique, which is particularly good at detecting metals at the ppb level ...

Introduction Adaptive support ventilation (ASV) is a dual control mode, using measured dynamic compliance and time constant, with an automated adjustment of tidal volume and respiratory rate combined to meet the preset minute ventilation. The purpose of this study was to evaluate the effectiveness of (ASV) in restoring air flow stability, decrease work of breathing and improving dyssynchrony in...

This study was done to determine whether high or low dose of anti-snake venom (ASV) is better in coagulopathy in victims of envenoming by vipers. This retrospective study was conducted on the 154 patients (Mean age ± SD, Range) of viper snake bites who were referred to the emergency ward of Razi Hospital, Ahvaz, Iran over 2 years period (2004 - 2006). According to the treatment dosage the patie...

n 1998, Japanese universal public health insurance approved cover for the home care use of continuous positive airway pressure (CPAP) for sleep apnea syndrome (SAS). The Japanese Ministry of Health, Labor and Welfare criteria for health insurance coverage for CPAP are as follows: “anyone who as the result of polysomnography (PSG) has an apnea hypopnea index (AHI) ≥20 with subjective symptoms su...

INTRODUCTION Oral daclatasvir (DCV; pangenotypic NS5A inhibitor) plus asunaprevir (ASV; NS3 protease inhibitor) is approved in Japan and Korea for treatment of chronic hepatitis C virus (HCV) genotype 1. Response to DCV + ASV is affected by DCV resistance-associated polymorphisms (RAPs) in HCV NS5A. The prevalence and influence of these RAPs on 12-week sustained virologic response (SVR12) to DC...

In an automatic speaker verification (ASV) system with prompted passwords, we use vocabulary-dependent hidden Markov models and rely on the ability to explicitly locate the corresponding words and their boundaries in the speech signal. In an experiment on 41 speakers in a Swedish telephone speech database, we compare the use of utterance segmentation produced by automatic and manual methods, an...

results sixty patients were involved in this study. in asv mode, values including peak airway pressure (p-peak), end-tidal carbon dioxide (etco2), tidal volume and respiratory dead space were significantly lower than simv mode. although the mean value for dynamic compliance had no significant difference in the two types of ventilation, it was better in asv mode. methods in a crossover study, pa...

Bacteria-mediated arsenic (As) transformation and their impacts on As and P uptake and plant growth in As-hyperaccumulator Pteris vittata (PV) were investigated under sterile condition. All As-resistant bacteria (9 endophytic and 6 rhizospheric) were As-reducers except one As-oxidizer. After growing two months in media with 37.5 mg kg(-1) AsV, As concentrations in the fronds and roots were 3655...