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Full-Text Articles in Physical Sciences and Mathematics
Study On Energy Absorption Behaviors Of Hydrophobic Mesoporous Materials, Zhongyuan Sun
Study On Energy Absorption Behaviors Of Hydrophobic Mesoporous Materials, Zhongyuan Sun
Theses and Dissertations - UTB/UTPA
Nanoporous energy absorption system has been developed tremendously as an advanced energy storage system in recent years. This research is to optimize the mesoporous energy absorption matrixes via surface treatment to find out the optimum conditions for higher energy conversion efficiency. Five mesoporous silica matrixes with pore size in a range of 3 to 31.6 nm were investigated. Six alkylchlorosilanes were used as the modification reagents. The results showed that the energy absorption density via pressure-induced infiltration is as high as 8.0 J/g which is 100 times larger than that of conventional energy absorption materials. The controllability of the energy …
A Synthetic Approach Toward Novel Β-Lactams, Mohamed Hashim
A Synthetic Approach Toward Novel Β-Lactams, Mohamed Hashim
Theses and Dissertations - UTB/UTPA
β-lactam antibiotics which is a class by itself, covers a wide range of antibiotics that includes penicillin, penicillin derivatives, cephalosporins, carbapenems, and any antibiotic agent that contains a 2-azetidinone ring.[2] In recent past research it has been established that β-lactams show therapeutic and anticancer activity with low toxicity. [2] It has also been reported by our lab that N-chrysenyl and N-phenanthrenyl 3-acetoxy-4-aryl-2- azetidinone can exhibit potent selective anticancer activity towards prostate, colon, pancreatic cancer and leukemia at low concentrations, all of this was revealed by means of a structure activity study. [2] The goal of our research is the synthesis …