IMPROVEMENT ON DIRECT MODULATION RESPONSES AND STABILITY BY PARTIALLY CORRUGATED GRATINGS BASED DFB LASERS WITH PASSIVE FEEDBACK

Improvement on Direct Modulation Responses and Stability by Partially Corrugated Gratings Based DFB Lasers With Passive Feedback

DFB lasers with ultrashort cavities or integrated DFB lasers with passive waveguide reflectors are frequently proposed to realize directly modulated lasers (DMLs) for carrying ultrahigh data rate signals.The former suffers from poor heatsink and laser cleavage yield, while the single-mode stability of the latter scheme is seldom addressed.The mode

read more

Evaluation of compliance with the self-regulation agreement of the food and drink vending machine sector in primary schools in Madrid, Spain, in 2008

Objectives: To evaluate compliance with the self-regulation agreement of the food and Back-up Charger drink vending machine sector in primary schools in Madrid, Spain.Methods: Cross-sectional study of the prevalence of vending machines in 558 primary schools in 2008.Using the directory of all registered primary schools in Madrid, we identified the

read more

Sublingual fast dissolving niosomal films for enhanced bioavailability and prolonged effect of metoprolol tartrate

Ayat Allam, Gihan Fetih Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut, Egypt Abstract: The aim of the present work was to prepare and evaluate sublingual fast dissolving films containing metoprolol tartrate-loaded niosomes.Niosomes were utilized to allow for prolonged release of the drug, whereas the films were used to

read more

Knotless Primary Anterior Cruciate Ligament Repair with Adjustable Loop Device and Internal Brace Augmentation

With the recent resurgence of primary anterior cruciate ligament repair, it is important to strive for optimal patient outcomes.This knotless primary repair procedure Kombucha Herbal Tea takes advantage of the use of an adjustable loop device, which allows for intraoperative retensioning by the surgeon.This technical advancement combined with augme

read more