wherein the terminal group is hydrophilic; E is selected from the group consisting of nitrogen, oxygen, phosphorus and sulfur; X is an organic substituent and m is an integer less than or equal to 3; Y comprises a sugar derivative peralkylated with a C1-C6 alkyl and p is an integer greater than 0; X and Y are both free of a hydrogen-bond donor; R1 is selected from the group consisting of hydrogen,