The aim of the present study have been reported to review the estrogen level in the patients with the breast cancer and healthy individuals.Breast cancer is one of the most common diseases in women worldwide that is c...The aim of the present study have been reported to review the estrogen level in the patients with the breast cancer and healthy individuals.Breast cancer is one of the most common diseases in women worldwide that is characterized by uncontrolled growth of malignant cells in the mammary epithelial tissue.The estrogen was found at normal level in most patients with ER-positive breast cancer and in healthy individuals,while its high level was higher among patients with ER-negative breast cancer.Many studies show evidences about the role of estrogen at a high level on the development of breast cancer.The association between the estrogen levels and the presence of Candida spp.in vagina of patients with breast cancer was reviewed.展开更多
Adsorption of heavy metal ions on chitosan-based adsorbents has been extensively investigated.However,few studies explored the feasibility of desorbing and regenerating chitosan.Adsorbents used after adsorption of hea...Adsorption of heavy metal ions on chitosan-based adsorbents has been extensively investigated.However,few studies explored the feasibility of desorbing and regenerating chitosan.Adsorbents used after adsorption of heavy metals are discarded,and this practice exacerbates the solid treatment problem.Regeneration and reuse of exhausted adsorbents should be considered to operate environment-friendly and cost-effective adsorption.This review was performed to summarize the desorption of heavy metal ions and possible regeneration of chitosan-based adsorbents using various desorption agents such as acids,alkalis,salts,and chelating agents.It was found that the highest desorption efficiencies were obtained by acidic eluents.The percentage use of desorption agents for desorbing followed the order of acids(49.3%)>chelators(26.9%)>alkalis(14.9%)>salts(8.9%).Moreover,the proper desorption time was estimated to be 0.84 by 1.37 h.The beneficial information is provided for the regeneration and recovery of chitosan adsorbents.展开更多
文摘The aim of the present study have been reported to review the estrogen level in the patients with the breast cancer and healthy individuals.Breast cancer is one of the most common diseases in women worldwide that is characterized by uncontrolled growth of malignant cells in the mammary epithelial tissue.The estrogen was found at normal level in most patients with ER-positive breast cancer and in healthy individuals,while its high level was higher among patients with ER-negative breast cancer.Many studies show evidences about the role of estrogen at a high level on the development of breast cancer.The association between the estrogen levels and the presence of Candida spp.in vagina of patients with breast cancer was reviewed.
文摘Adsorption of heavy metal ions on chitosan-based adsorbents has been extensively investigated.However,few studies explored the feasibility of desorbing and regenerating chitosan.Adsorbents used after adsorption of heavy metals are discarded,and this practice exacerbates the solid treatment problem.Regeneration and reuse of exhausted adsorbents should be considered to operate environment-friendly and cost-effective adsorption.This review was performed to summarize the desorption of heavy metal ions and possible regeneration of chitosan-based adsorbents using various desorption agents such as acids,alkalis,salts,and chelating agents.It was found that the highest desorption efficiencies were obtained by acidic eluents.The percentage use of desorption agents for desorbing followed the order of acids(49.3%)>chelators(26.9%)>alkalis(14.9%)>salts(8.9%).Moreover,the proper desorption time was estimated to be 0.84 by 1.37 h.The beneficial information is provided for the regeneration and recovery of chitosan adsorbents.
