Government regulations to address technological risks are important for the successful development and application of nanotechnology, but there is an ongoing debate in the USA about who is responsible for the regulation of nanotechnology. In a mail survey of leading US nano-scientists, we examine scientists’ perceptions about nano-regulation, including the government level (local, national, or ...

This paper describes a technique for analyzing the phenomenon of static buckling pre-loaded complex nano-composite shell. Most works devoted to analysis structures consider vibration processes, while can be an important factor that limits use new materials in space-rocket hardware. A constant-thickness shell consisting two spherical covers and cylindrical body is considered. It acted upon by in...

objective: maintaining the health of oral tissues is a major goal in dentistry. however, limitations in dental materials, instruments, procedures and medications prevent achievement of this goal. advances in nanotechnology have paved the way to approach this goal. this study reviews the advances on nanotechnology in dentistry. review of literatures: in this review study, google scholar, pubmed,...

conclusions the personality patterns of patients dependent on methamphetamines were different from the controls. these people have a high sensitivity to punishment cues, such as being compared in social conditions and a tendency for reinforcement and reward, because of their higher sensitivity in the behavioral inhibition and activation systems. results the methamphetamine dependent group had a...

The main objective of this work is the preparation nano-fibrous mats (NFM) from polyamide 6 (PA6) reinforced and functionalized by renewable proteinic waste examining their potential use for sorption heavy metal ions dyes wastewater textile plants. Two biopolymers; namely keratin (from wool combing) sericin degumming natural silk) were extracted regenerated. NFM prepared electro-spinning PA6/ b...