1. Xiao RZ, Zeng ZW, Zhou G.L, Wang JJ, Li FZ, Wang AM (2010) Recent advances in PEG-PLA block copolymer nanoparticles. Int J Nanomedicine 5:1057–1065
2. Gaucher G, Dufresne MH, Sant VP, Kang N, Maysinger D, Leroux JC (2005) Block copolymer micelles: preparation, characterization and application in drug delivery. J Control Release 109:169–188
3. Dong Y, Feng SS (2007) In vitro and in vivo evaluation of methoxy polyethylene glycol-polylactide (MPEG-PLA) nanoparticles for small-molecule drug chemotherapy. Biomaterials 28:4154–4160
4. Huang YY, Chung TW, Tzeng TW (1997) Drug release from PLA/ PEG microparticulates. Int J Pharm 156:9–15
5. Sheth M, Kumar RA, Davé V, Gross RA, McCarthy SP (1997) Biodegradable polymer blends of poly(lactic acid) and poly(ethylene glycol). J Appl Polym Sci 66:1495–1505
6. Hami Z, Amini M, Ghazi-Khansari M, Rezayat SM, Gilani K (2014) Synthesis and in vitro evaluation of a pH-sensitive PLAPEG-folate based polymeric micelle for controlled delivery of docetaxel. Colloids Surf B Biointerfaces 116:309–317
7. Beletsi A, Leontiadis L, Klepetsanis P, Ithakissios DS, Avgoustakis K (1999) Effect of preparative variables on the properties of poly(dl-lactide-co-glycolide)-methoxypoly(ethyleneglycol) copolymers related to their application in controlled drug delivery. Int J Pharm 182:187–197
8. Morlock M, Kissel T, Li YX, Koll H, Winter G (1998) Erythropoietin loaded microspheres prepared from biodegradable LPLG-PEO-LPLG triblock copolymers: protein stabilization and in-vitro release properties. J Control Release 56:105–115
9. Kissel T, Li Y, Unger F (2002) ABA-triblock copolymers from biodegradable polyester A-blocks and hydrophilic poly(ethylene oxide) B-blocks as a candidate for in situ forming hydrogel delivery systems for proteins. Adv Drug Del Rev 54:99–134
10. Hu X, Xu J, Zhong G, Luo X, Li Z (2011) Shear induced crystallization of poly(L-lactide) and poly(ethylene glycol) (PLLA-PEGPLLA) copolymers with different block length. J Pol Res 18:675–680
11. Baimark T, Pasee S, Rungseesantivanon W, Prakymoramas N (2019) Flexible and high heat-resistant stereocomplex PLLAPEG-PLLA/PDLA blends prepared by melt process: effect of chain extension. J Pol Res 26:218
12. Jeong B, Bae YH, Lee DS, Kim SW (1997) Biodegradable block copolymers as injectable drug-delivery systems. Nature 388:860–862
13. Jeong B, Bae YH, Kim SW (2000) Drug release from biodegradable injectable thermosensitive hydrogel of PEG-PLGA-PEG triblock copolymers. J Control Release 63:155–163
14. Huh KM, Bae YH (1999) Synthesis and characterization of poly(- ethylene glycol)/poly(l-lactic acid) alternating multiblock copolymers. Polymer 40:6147–6155
15. Bae YH, Huh KM, Kim Y, Park KH (2000) Biodegradable amphiphilic multiblock copolymers and their implications for biomedical applications. J Control Release 64:3–13
16. Hrkach JS, Peracchia MT, Domb A, Lotan N, Robert L (1997) Nanotechnology for biomaterials engineering: structural characterization of amphiphilic polymeric nanoparticles by 1 H NMR spectroscopy. Biomaterials 18:27–30
17. Breitenbach A, Li YX, Kissel T (2000) Branched biodegradable polyesters for parenteral drug delivery systems. J Control Release 64:167–178
18. Chong YK, Zainol I, Ng CH, Ooi IH (2019) Miktoarm star polymers nanocarrier: synthesis, characterisation, and in-vitro drug release study. J Pol Res 26:79
19. Hadjichristidis N, Iatrou H, Pitsikalis M, Driva P, Sakellariou G, Chatzichristidi M (2012) Polymers with star-related structures: synthesis, properties, and applications. Polymer science: a comprehensive reference. Elsevier, Amsterdam, pp 29–111
20. Hu F, Neoh KG, Kang ET (2009) Synthesis of folic acid functionalized PLLA-b-PPEGMA nanoparticles for Cancer cell targeting. Macromol Rapid Commun 30:609–614
21. Fernandez M, Javaid F, Chudasama V (2018) Advances in targeting the folate receptor in the treatment/imaging of cancers. Chem Sci 9:790–810
22. Kim H, Jo A, Baek S, Lim D, Park SY, Cho SK, Chung JW, Yoon J (2017) Synergistically enhanced selective intracellular uptake of anticancer drug carrier comprising folic acid-conjugated hydrogels containing magnetite nanoparticles. Sci Rep 7:41090
23. Kadota J, Pavlovic D, Desvergne JP, Bibal B, Peruch F, Deffieux A (2010) Ring-opening polymerization of L-Lactide catalyzed by an Organocatalytic system combining acidic and basic sites. Macromolecules 43:8874–8879
24. Li D, Ding JX, Tang ZH, Sun H, Zhuang XL, Xu JZ, Chen XS (2012) In vitro evaluation of anticancer nanomedicines based on doxorubicin and amphiphilic Y-shaped copolymers. Int J Nanomedicine 7:2687–2697
25. Ayen WY, Garkhal K, Kumar N (2011) Doxorubicin-loaded (PEG)3-PLA Nanopolymersomes: effect of solvents and process parameters on formulation development and In Vitro study. Mol Pharm 8:466–478
26. Trollsås M, Atthoff B, Claesson H, Hedrick JL (2004) Dendritic homopolymers and block copolymers: tuning the morphology and properties. J Polym Sci, Part A: Polym Chem 42:1174–1188
27. Wang L, Cai C, Dong CM (2008) Synthesis, characterization and nanoparticle formation of star-shaped poly(L-lactide) with six arms. Chi J Polym Sci 26:161–169
28. Joung YK, Lee JS, Park KD, Lee S (2008) 6-arm PLLA-PEG block copolymers for micelle formation and controlled drug release. Macromol Res 16:66–69
29. Kim SH, Han YK, Ahn KD, Kim YH, Chang T (1993) Preparation of star-shaped PLA with pentaerytritol and tin occtuate. Macromol Chem Phys 194:3229–3236
30. Pasut G, Scaramuzza S, Schiavon O, Mendichi R, Veronese FM (2005) PEG-epirubicin conjugates with high drug loading. J Bioact Compat Polym 20:213–230
31. Sammet B (2009) 4-Nitrophenyl Chloroformate: a versatile coupling reagent. SYNLETT 18:3050–3051
32. Kadajji VG, Betageri GV (2011) Water soluble polymers for pharmaceutical applications. Polymers 3:1972–2009
33. Valeur E, Bradley M (2009) Amide bond formation: beyond the myth of coupling reagents. Chem Soc Rev 38:606–631
34. Jalabert M, Fraschini C, Prud’homme RE (2007) Synthesis and characterization of poly(L-lactide)s and poly(D-lactide)s of controlled molecular weight. J Polym Sci: Part A: Polym Chem 45: 1944–1955
35. Zhang X, Li Y, Chen X, Wang X, Xu X, Liang Q, Hu J, Jing X (2005) Synthesis and characterization of the paclitaxel/MPEG-PLA block copolymer conjugate. Biomaterials 26:2121–2128
36. Dinc CO, Kibarer G, Guner A (2010) Solubility profiles of poly(- ethylene glycol)/solvent systems. II comparison of thermodynamic parameters from viscosity measurements. J Appl Polym Sci 117:1100–1119
37. Izunobi JU, Higginbotham CL (2011) Polymer molecular weight analysis by 1 H NMR spectroscopy. J Chem Edu 88:1098–1104
38. Govender T, Stolnik S, Garnett MC, Illum L, Davis SS (1999) PLGA nanoparticles prepared by nanoprecipitation: drug loading and release studies of a water soluble drug. J Control Release 57: 171–185
39. Ruan G, Feng SS (2003) Preparation and characterization of poly(lactic acid)–poly(ethylene glycol)–poly(lactic acid) (PLA– PEG–PLA) microspheres for controlled release of paclitaxel. Biomaterials 24:5037–5044
40. Zhao H, Yung LY (2008) Selectivity of folate conjugated polymer micelles against different tumor cells. Int J Pharma 349:256–268
41. Dong Y, Feng SS (2004) Methoxy poly(ethylene glycol)- poly(lactide) (MPEG-PLA) nanoparticles for controlled delivery of anticancer drugs. Biomaterials 25:2843–2849
42. Venkatraman SS, Jie P, Min F, Freddy BY, Gan LH (2005) Micelle-like nanoparticles of PLA-PEG-PLA triblock copolymers as chemotherapeutic carrier. Int J Pharm 298:219–232
43. Jie P, Venkatraman SS, Min F, Freddy BY, Huat GL (2005) Micelle-like nanoparticles of star-branched PEO-PLA copolymers as chemotherapeutic carrier. J Control Release 110:20–33
44. Hira SK, Mishra AK, Ray B, Manna PP (2014) Targeted delivery of doxorubicin-loaded poly (ε-caprolactone)-b-poly (Nvinylpyrrolidone) micelles enhances antitumor effect in lymphoma.PLoS One 9:e94309
45. Manocha B, Margaritis A (2010) Controlled release of doxorubicin from doxorubicin/γ-Polyglutamic acid ionic complex. J Nanomaterials 1-9
46. Brigger I, Dubernet C, Couvreur P (2002) Nanoparticles in cancer therapy and diagnosis. Adv Drug Deliv Rev 54:631–651
47. Matsumoto J, Nakada Y, Sakurai K, Nakamura T, Takahashi Y (1991) Preparation of nanoparticles consisted of poly(L-lactide)- poly(ethylene glycol)-poly(L-lactide) and their evaluation in vitro. Int J Pharm 185:93–101
48. Safra T (2003) Cardiac safety of liposomal anthracyclines. Oncologist 8(Suppl 2):17–24