tv fjsr � � peg chains had little influence on the encapsulation efficiency of methotrexate, but affected the release rate a similar construct between peg chains and ����� was utilized to deliver the anticancer drug fluorouracil encapsulation of fluorouracil into g = ����� dendrimers with carboxymethyl peg surface chains revealed reasonable drug loading, a reduced release rate, and reduced hemolytic toxicity compared to the nonpegylated dendrimer fig etoposide, mefenamic acid diclofenac, and venlafaxine the combination between dendrimers and hydrophilic and or hydrophobic polymer chains has recently been extended to solubilize the hydrophobic anticancer drug etoposide a star polymer composed estradiol ban physicians of amphiphilic block copolymer arms has estradiol ban physicians been synthesized and characterized the core of the star polymer was a generation two pamamoh dendrimer, the inner block of the arm a lipophilic polyecaprolactone pcl and the outer block of the arm a hydrophilic peg estradiol ban physicians the starpcl polymer was synthesized first by ringopening polymerization of ecaprolactone with the pamamoh dendrimer as initiator the peg polymer was then attached to the pcl terminus by an esterforming reaction characterization with sec, h nmr, ftir, tga, and dsc confirmed the star structure of the polymers estradiol ban physicians a loading capacity of up to ww was achieved with etoposide a cytotoxicity assay demonstrated that the starpclpeg copolymer was nontoxic in cell culture citric acidpolyethylene glycolcitric acid cpegc triblock dendrimers generations were applied to estradiol ban physicians encapsulate small molecule drugs such as mefenamic acid and diclofenac the formulations were stored at room temperature for up to ten months and remained stable with no reported release of the drugs the attachment of the novel thirdgeneration antidepressant venlafaxine onto anionic estradiol ban physicians ����� dendrimers g = via a hydrolyzable ester bond and the incorporation of this drugdendrimer complex into a semiinterpenetrating network of an acrylamide hydrogel has been studied as a novel estradiol ban physicians drug delivery formulation to avoid the currently necessary multiple daily administration lithium battery spill of the antidepressant the effect of peg concentration and molecular weight was studied to find optimal release conditions ibuprofen, indomethacin, nifedipine naproxen, paclitaxel and methylprednisolone the antiinflammatory drug ibuprofen was used as a model compound to study its complexation and encapsulation into generations and ����� dendrimers and a estradiol ban physicians hyperbranched polyester, having approximately surface ohgroups it was found that up to estradiol ban physicians ibuprofen molecules were complexed by the ����� dendrimers through electrostatic interactions between the dendrimer amines and the carboxyl group of the drug in contrast, up to drug molecules were encapsulated into the hyperbranched polyol the drug was successfully transported locations of chicos soma stores into a human lung epithelial carcinoma cells by estradiol ban physicians the dendrimers the ����� dendrimers with either amino or hydroxy surfaces entered the cells faster in approximately hr than the hyperbranched polyol approximately hrs however, both entries were faster than the pure drug the antiinflammatory estradiol ban physicians effect of ibuprofendendrimer complexes was demonstrated by more rapid suppression of cox mrna levels than that achieved by the pure drug the nonsteroidal antiinflammatory drug nsaid indomethacin is practically insoluble in water and only sparingly soluble in alcohol encapsulation of indomethacin into generation ����� dendrimers with amino, hydroxy, estradiol ban physicians and carboxylate surfaces remarkably enhanced the drug solubility in water, and therefore, its bioavailability fig the encapsulation efficiency of indomethacin into ����� dendrimers is dependent on the dendrimer size g g g g and the estradiol ban physicians surface functionalization, nh peg = pyr ae fig the effect of ����� dendrimer generation size and surface functional group on the aqueous solubility, and therefore, bioavailability of the calcium channel blocking agent nifedipine has been studied estradiol ban physicians using ����� dendrimers with eda oi dendrimerconc vw fig molecular structure of indomethacin and its solubility profiles in the presence of differing concentrations of gnhz, ?