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1) Alam, S.S.;  Mather, C.B.; Seo, Y.; Lapitsky, Y. Poly(allylamine)/tripolyphosphate coacervates for encapsulation and long-term release of cetylpyridinium chloride. Colloids Surf. A (2021) DOI: 10.1016/j.colsurfa.2021.127490. [Link]

2) Alam, S.S.; Seo, Y.; Lapitsky, Y. Highly sustained release of bactericides from complex coacervates. ACS Appl. Bio Mater. 3, 8427-8437 (2020). [Link]

3) Echeverri-Cuartas, C.E.; Gartner, C.; Lapitsky, Y. PEGylation and folate conjugation effects on the stability of chitosan/tripolyphosphate nanoparticles. Int. J. Biol. Macromol. 158, 1055-1062 (2020). [Link]

4) Cai, Y.; Lapitsky, Y. Biomolecular uptake effects on chitosan/tripolyphosphate micro- and nanoparticle stability. Colloids Surf. B 193, 111081 (2020). [Link]

5) Cai, Y.; Lapitsky, Y. Pitfalls in analyzing release from chitosan/tripolyphosphate micro- and nanoparticles. Eur. J. Pharm. Biopharm. 142, 204-215 (2019). [Link]

6) Worthen, A.J.; Irving, K.S.; Lapitsky, Y. Supramolecular strategy effects on chitosan bead stability in acidic media: A comparative study. Gels 5, 11 (2019). [Link]

7) Choudhuri, K.; de Silva, U.K.; Huynh, V.; Wylie, R.G.; Lapitsky, Y. Photolithographically assembled polyelectrolyte complexes as shape-directing templates for thermoreversible gels. J Mater. Chem. B 6, 7594-7604 (2018). [Link] *Artwork featured on the inside front cover [View Cover Art].

8) de Silva, U.K.; Brown, J.L.; Lapitsky, Y. Poly(allylamine)/tripolyphosphate coacervates enable high loading and multiple-month release of weakly amphiphilic anionic drugs: An in vitro study with ibuprofen. RSC Advances 8, 19409-19419 (2018). [Link]

9) Huang, S.; Zhao, M.; Dawadi, M.B.; Cai, Y.; Lapitsky, Y.; Modarelli, D.A.; Zacharia, N.S. Effect of small molecules on the phase behavior and coacervation of aqueous solutions of poly(diallyldimethylammonium chloride) and poly(sodium 4-styrene sulfonate). J. Colloid Interface Sci. 518, 216-224 (2018). [Link]

10) de Silva, U.K.; Choudhuri, K.; Bryant-Friedrich, A.C.; Lapitsky, Y. Customizing polyelectrolyte complex shape through photolithographic directed assembly. Soft Matter 14, 521-532 (2018). [Link]

11) Sawtarie, N.; Cai, Y.; Lapitsky, Y. Preparation of chitosan/tripolyphosphate nanoparticles with highly tunable size and low polydispersity. Colloids Surf. B 157, 110-117 (2017). [Link]

12) Cai, Y.; Lapitsky, Y. Analysis of chitosan/tripolyphosphate micro- and nanogel yields is key to understanding their protein uptake performance. J. Colloid Interface Sci. 494, 242-254 (2017) [Link]

13) Huang, Y.; Lapitsky, Y. On the kinetics of chitosan/tripolyphosphate micro- and nanogel aggregation and their effects on particle polydispersity. J. Colloid Interface Sci. 486, 27-37 (2017). [Link]

14) de Silva, U.K.; Lapitsky, Y. Preparation and timed release properties of self-rupturing gels. ACS Appl. Mater. Interfaces 8, 29015-29024 (2016). [Link]

15) Lawrence, P.G.; Patil, P.S.; Leipzig, N.D.; Lapitsky, Y. Ionically crosslinked polymer networks for the multiple-month release of small molecules. ACS Appl. Mater. Interfaces 8, 4323-4335 (2016). [Link]

16) Huang, Y.; Cai, Y.; Lapitsky, Y. Factors affecting the stability of chitosan/ tripolyphosphate micro- and nanogels: Resolving the opposing findings.  J. Mater. Chem. B 3, 5957-5970 (2015). [Link]

17) Lawrence, P.G.; Lapitsky, Y. Ionically crosslinked poly(allylamine) as a stimulus-responsive underwater adhesive: Ionic strength and pH effects. Langmuir 31, 1564-1574 (2015). [Link]

18) Okoye, N.H.; de Silva, U.K.; Wengatz, J.A.; Lapitsky, Y. Photodirected assembly of polyelectrolyte complexes. Polymer 60, 69-76 (2015). [Link]

19) de Silva, U.K.; Weik, B.E.; Lapitsky, Y. Simple preparation of polyelectrolyte complex beads for the long-term release of small molecules. Langmuir 30, 8915-8922 (2014). [Link]

20) Lapitsky, Y. Ionically crosslinked polyelectrolyte nanocarriers: Recent advances and open problems. Curr. Opinion Colloid Interface Sci. 19, 122-130 (2014). [Link]

21) Huang, Y.; Lawrence, P.G.; Lapitsky, Y. Self-assembly of stiff, adhesive and self-healing gels from common polyelectrolytes. Langmuir 30, 7771-7777 (2014). [Link] *Front cover article [View Cover Art].

22) Cai, Y.; Lapitsky, Y. Formation and dissolution of chitosan/pyrophosphate nanoparticles: Is the ionic crosslinking of chitosan reversible? Colloids Surf. B 115, 100-108 (2014). [Link]

23) Huang, Y.; Lapitsky, Y. Determining the colloidal behavior of ionically crosslinked polyelectrolytes with isothermal titration calorimetry. J. Phys. Chem. B 117, 9548-9557 (2013) [Link]

24) Richardson, K.E.; Xue, Z.; Huang, Y.; Seo, Y.; Lapitsky, Y. Physicochemical and antibacterial properties of surfactant mixtures with quaternized chitosan microgels. Carbohydr. Polym. 93, 709-717 (2013). [Link]

25) Huang, Y.; Lapitsky, Y. Salt-assisted mechanistic analysis of chitosan/ tripolyphosphate micro- and nanogel formation. Biomacromolecules 13, 3868-3876 (2012). [Link]

26) Huang, Y.; Lapitsky, Y. Monovalent salt enhances colloidal stability during the formation of chitosan/tripolyphosphate microgels. Langmuir 27, 10392-10399 (2011). [Link]

27) Worthen, A.J.; Lapitsky, Y. Stabilization of bioderived surfactant/polyelectrolyte complexes through surfactant conjugation to the biopolymer. Colloid Polym. Sci. 289, 1589-1596 (2011). [Link]

28) Lapitsky, Y. Stimulus-responsive polyelectrolyte particles: From nanospheres to macroscopic beads. J. Dispersion Sci. Technol. 32, 1119-1128 (2011). [Link]

29) Wang, Y.; Cooke, M.J.; Lapitsky, Y.; Wylie, R.G.; Sachewsky, N.; Corbett, D.; Morshead, C.M.; Shoichet, M.S. Transport of epidermal growth factor in the stroke-injured brain. J. Controlled Release 149, 225-235 (2011). [Link]

30) Chen, Y.; Lapitsky, Y. Interactions of anionic surfactants with cationic polyelectrolyte gels: Competitive binding and application in separation processes. Colloids Surf. A. 372, 196-203 (2010). [Link]

31) Hsieh, A.; Zahir, T.; Lapitsky, Y.; Amsden, B.; Wan, W.; Shoichet, M.S. Hydrogel/electrospun fiber composites influence neural stem/progenitor cell fate. Soft Matter 6, 2227-2237 (2010). [Link]

32) Wang, Y.; Lapitsky, Y.; Kang, C.E.; Shoichet, M.S. Accelerated release of a sparingly soluble drug from a hyaluronan-methylcellulose hydrogel. J. Controlled Release 140, 218-223 (2009). [Link]

33) Baumann, M.D.; Kang, C.E.; Stanwick, J.C.; Wang, Y.; Kim, H.; Lapitsky, Y.; Shoichet, M.S. An injectable drug delivery platform for sustained combination therapy. J. Controlled Release 138, 205-213 (2009). [Link]

34) Ho, K.; Lapitsky, Y.; Shi, M. Shoichet, M.S. Tunable immunonanoparticle binding to cancer cells: Thermodynamic analysis of targeted drug delivery vehicles. Soft Matter 5, 1074-1080 (2009). [Link]

35) Lapitsky, Y.; Zahir, T.; Shoichet, M.S. Modular biodegradable biomaterials from surfactant and polyelectrolyte mixtures. Biomacromolecules 9, 166-174 (2008). [Link]

36) Lapitsky, Y.; Parikh, M.; Kaler, E. W. Calorimetric determination of surfactant/ polyelectrolyte binding isotherms. J. Phys. Chem. B 111, 8379-8387 (2007). [Link]

37) Lapitsky, Y.; Kaler, E. W. Surfactant and polyelectrolyte gel particles for encapsulation and release of aromatic oils. Soft Matter 2 779-784 (2006). Highlighted by the editor in Chemical Science and Chemical Communications. [Link]

38) Lapitsky, Y.; Eskuchen, W. J.; Kaler, E. W. Surfactant and polyelectrolyte gel particles that swell reversibly. Langmuir 22, 6375-6379 (2006). [Link]

39) Lapitsky, Y.; Kaler, E. W. Formation and structural control of surfactant and polyelectrolyte gels. Colloids Surf. A 282-283, 118-128 (2006). [Link]

40) Lapitsky, Y.; Kaler, E. W. Formation of surfactant and polyelectrolyte gels in aqueous solutions. Colloids Surf. A, 250, 179-187 (2004). [Link]



1) Lapitsky, Y.; Seo, Y.; Richardson, K.E. Antibacterial surfactant/microgel formulations, methods of making and methods of using the same. U.S. Patent 10,010,078 (2018).

2) Lapitsky, Y.; Huang, Y. Ionically crosslinked polyelectrolytes as underwater adhesives and controlled release vehicles. U.S. Patent 9,814,778 (2017).

3)  Lapitsky, Y.; Seo, Y. Antibacterial surfactant/microgel formulations, methods of making and methods of using the same. U.S. Patent 9,788,541 (2017).

4) Lapitsky, Y.; Seo, Y.; Richardson, K.E. Antibacterial surfactant/microgel formulations, methods of making and methods of using the same. U.S. Patent 9,560,849 (2017).

5) Shoichet, M.S.; Lapitsky, Y.; Wang, Y. Tunable release of a sparingly soluble hydrophobic therapeutic agent from a hydrogel matrix. U.S. Patent 9,205,047 (2015).