Population growth and development patterns have a significant impact on the environmental performance.The issue of concern is whether population growth or the consumption/production patterns are responsible for enviro...Population growth and development patterns have a significant impact on the environmental performance.The issue of concern is whether population growth or the consumption/production patterns are responsible for environmental deterioration.This paper is an attempt to capture the impact of technological development,affluence,and population on environmental performance index,while previous stuthes had captured the impact of these three factors on environment only through CO_2emissions.The analysis reveals that technological development and population size have a negative impact on environmental performance,whereas measures to improve affluence have a positive impact.Technological development has increased the production of energy efficient products but at the same time consumption of these products has increased manifold leading to environmental deterioration.Demographic attributes need specific attention to improve environmental performance.This paper concludes on some policy reflections on slowing the population growth as well as persuades individuals and economies to relook to their consumption and production patterns and channelize their efforts to protect the environment.展开更多
The aim of the present study is the formulation of mefenamic acid ethosomal gel by hot and cold methods.To prepare the mefenamic acid transdermal gel,ethosomes was selected as colloidal carriers.Ethosomes were prepare...The aim of the present study is the formulation of mefenamic acid ethosomal gel by hot and cold methods.To prepare the mefenamic acid transdermal gel,ethosomes was selected as colloidal carriers.Ethosomes were prepared by cold and hot methods.The obtained ethosomes were characterized with vesicular diameter,zeta potential,drug content,entrapment efficiency and in-vitro diffusion studies.The five formulations of ethosomes prepared by cold and hot methods were compared.Among the 10 formulations of ethosomes,E5 was considered as the best formulation because of its mean vesicular diameter of 854 nm,zeta potential of 20 mV,drug content of 96.3%,entrapment efficiency of 94.4%,sustained drug release for 12 hr,i.e.94.4.Then the E5 formulations was incorporated into gel.A comparative study was made between the plain gel and the ethosomal gel.The Ethosomal gel was considered the best because of its highest drug content spreadability,pH(6.9)and the sustained drug release profile for 12 hr.By comparison,the cold method shows better results.展开更多
文摘Population growth and development patterns have a significant impact on the environmental performance.The issue of concern is whether population growth or the consumption/production patterns are responsible for environmental deterioration.This paper is an attempt to capture the impact of technological development,affluence,and population on environmental performance index,while previous stuthes had captured the impact of these three factors on environment only through CO_2emissions.The analysis reveals that technological development and population size have a negative impact on environmental performance,whereas measures to improve affluence have a positive impact.Technological development has increased the production of energy efficient products but at the same time consumption of these products has increased manifold leading to environmental deterioration.Demographic attributes need specific attention to improve environmental performance.This paper concludes on some policy reflections on slowing the population growth as well as persuades individuals and economies to relook to their consumption and production patterns and channelize their efforts to protect the environment.
文摘The aim of the present study is the formulation of mefenamic acid ethosomal gel by hot and cold methods.To prepare the mefenamic acid transdermal gel,ethosomes was selected as colloidal carriers.Ethosomes were prepared by cold and hot methods.The obtained ethosomes were characterized with vesicular diameter,zeta potential,drug content,entrapment efficiency and in-vitro diffusion studies.The five formulations of ethosomes prepared by cold and hot methods were compared.Among the 10 formulations of ethosomes,E5 was considered as the best formulation because of its mean vesicular diameter of 854 nm,zeta potential of 20 mV,drug content of 96.3%,entrapment efficiency of 94.4%,sustained drug release for 12 hr,i.e.94.4.Then the E5 formulations was incorporated into gel.A comparative study was made between the plain gel and the ethosomal gel.The Ethosomal gel was considered the best because of its highest drug content spreadability,pH(6.9)and the sustained drug release profile for 12 hr.By comparison,the cold method shows better results.
