Y. S.  Bhole, Kharul, U. K., Somani, S. P., and Kumbharkar, S. C., ?Benzoylation of polyphenylene oxide: characterization and gas permeability investigations?, European Polymer Journal, vol. 41, no. 10, pp. 2461-2471, 2005.

S. C.  Kumbharkar, Karadkar, P. B., and Kharul, U. K., ?Enhancement of gas permeation properties of polybenzimidazoles by systematic structure architecture?, Journal of Membrane Science, vol. 286, no. 1-2, pp. 161-169, 2006.

H. R.  Lohokare, Kumbharkar, S. C., Bhole, Y. S., and Kharul, U. K., ?Surface modification of polyacrylonitrile based ultrafiltration membrane?, Journal of Applied Polymer Science, vol. 101, no. 6, pp. 4378-4385, 2006.

Y. S.  Bhole, Wanjale, S. D., Kharul, U. K., and Jog, J. Prakash, ?Assessing feasibility of polyarylate-clay nanocomposites towards improvement of gas selectivity?, Journal of Membrane Science, vol. 306, no. 1-2, pp. 277-286, 2007.

Y. S.  Ishole, Karadkar, P. R., and Kharul, U. K., ?Effect of substituent polarity, bulk, and substitution site toward enhancing gas permeation in dibromohexafluorobisphenol-A based polyarylates?, Journal of Polymer Science Part B-Polymer Physics, vol. 45, no. 23, pp. 3156-3168, 2007.

M. P.  Achalpurkar, Kharul, U. K., Lohokare, H. R., and Karadkar, P. B., ?Gas permeation in amine functionalized silicon rubber membranes?, Separation and Purification Technology, vol. 57, no. 2, pp. 304-313, 2007.

P. B.  Karadkar, Kharul, U. K., Bhole, Y. S., Badhe, Y. P., Tambe, S. S., and Kulkarni, B. D., ?Gas sorption and transport in polyarylates: effect of substituent symmetry and polarity?, Journal of Membrane Science, vol. 303, no. 1-2, pp. 244-251, 2007.

Y. S.  Bhole, Karadkar, P. B., and Kharul, U. K., ?Nitration and amination of polyphenylene oxide: synthesis, gas sorption and permeation analysis?, European Polymer Journal, vol. 43, no. 4, pp. 1450-1459, 2007.

R.  Kannan, Islam, M. Nazrul, Rathod, D., Vijay, M., Kharul, U. K., Ghosh, P. C., and Vijayamohanan, K., ?2(7-3) fractional factorial optimization of polybenzimidazole based membrane electrode assemblies for H-2/O-2 fuel cells?, Journal of Applied Electrochemistry, vol. 38, no. 5, pp. 583-590, 2008.

H. R.  Lohokare, Muthu, M. R., Agarwal, G. P., and Kharul, U. K., ?Effective arsenic removal using polyacrylonitrile-based ultrafiltration (UF) membrane?, Journal of Membrane Science, vol. 320, no. 1-2, pp. 159-166, 2008.

S. S.  Kothawade, Kulkarni, M. P., Kharul, U. K., Patil, A. S., and Vernekar, S. P., ?Synthesis, characterization, and gas permeability of aromatic polyimides containing pendant phenoxy group?, Journal of Applied Polymer Science, vol. 108, no. 6, pp. 3881-3889, 2008.

D.  Rathod, Vijay, M., Islam, M. Nazrul, Kannan, R., Kharul, U. K., Kurungot, S., and Pillai, V., ?Design of an "allsolid-state'' supercapacitor based on phosphoric acid doped polybenzimidazole (PBI) electrolyte?, Journal of Applied Electrochemistry, vol. 39, no. 7, pp. 1097-1103, 2009.

S. C.  Kumbharkar and Kharul, U. K., ?N-substitution of polybenzimidazoles: synthesis and evaluation of physical properties?, European Polymer Journal, vol. 45, no. 12, pp. 3363-3371, 2009.

V. V.  Bokade and Kharul, U. K., ?Selective synthesis of cumene by isopropylation of benzene using catalytic membrane reactor?, Chemical Engineering Journal, vol. 147, no. 2-3, pp. 97-101, 2009.

S. C.  Kumbharkar, Islam, M. Nazrul, Potrekar, R. A., and Kharul, U. K., ?Variation in acid moiety of polybenzimidazoles: investigation of physico-chemical properties towards their applicability as proton exchange and gas separation membrane materials?, Polymer, vol. 50, no. 6, pp. 1403-1413, 2009.

R.  Kannan, Aher, P. P., Palaniselvam, T., Kurungot, S., Kharul, U. K., and Pillai, V. K., ?Artificially designed membranes using phosphonated multiwall carbon nanotube-polybenzimidazole composites for polymer electrolyte fuel cells?, Journal of Physical Chemistry Letters, vol. 1, no. 14, pp. 2109-2113, 2010.

S. C.  Kumbharkar and Kharul, U. K., ?Investigation of gas permeation properties of systematically modified polybenzimidazoles by N-substitution?, Journal of Membrane Science, vol. 357, no. 1-2, pp. 134-142, 2010.

S. C.  Kumbharkar and Kharul, U. K., ?New N-substituted ABPBI: synthesis and evaluation of gas permeation properties?, Journal of Membrane Science, vol. 360, no. 1-2, pp. 418-425, 2010.

Y. J.  Chendake, Bhole, Y. S., Lohokare, H. R., and Kharul, U. K., ?Polyarylate based thin film composite (TFC) membranes: effects of coating parameters, gutter layer, and intrinsic material properties?, Separation Science and Technology, vol. 45, no. 2, pp. 163-171, 2010.

R.  Vellacheri, Unni, S. K. M., Nahire, S., Kharul, U. K., and Kurungot, S., ?Pt-MoOx-carbon nanotube redox couple based electrocatalyst as a potential partner with polybenzimidazole membrane for high temperature polymer electrolyte membrane fuel cell applications?, Electrochimica Acta, vol. 55, no. 8, pp. 2878-2887, 2010.

R.  Kannan, Kagalwala, H. N., Chaudhari, H. D., Kharul, U. K., Kurungot, S., and Pillai, V. K., ?Improved performance of phosphonated carbon nanotube-polybenzimidazole composite membranes in proton exchange membrane fuel cells?, Journal of Materials Chemistry, vol. 21, no. 20, pp. 7223-7231, 2011.

H. R.  Lohokare, Bhole, Y. S., Taralkar, S., and Kharul, U. K., ?Poly(acrylonitrile) based ultrafiltration membranes: optimization of preparation parameters?, Desalination, vol. 282, pp. 46-53, 2011.

R. S.  Bhavsar, Nahire, S. B., Kale, M. S., Patil, S. G., Aher, P. P., Bhavsar, R. A., and Kharul, U. K., ?Polybenzimidazoles based on 3,3 `-diaminobenzidine and aliphatic dicarboxylic acids: synthesis and evaluation of physicochemical properties toward their applicability as proton exchange and gas separation membrane material?, Journal of Applied Polymer Science, vol. 120, no. 2, pp. 1090-1099, 2011.

B. K.  Balan, Manissery, A. Padinhare, Chaudhari, H. D., Kharul, U. K., and Kurungot, S., ?Polybenzimidazole mediated N-doping along the inner and outer surfaces of a carbon nanofiber and its oxygen reduction properties?, Journal of Materials Chemistry, vol. 22, no. 44, pp. 23668-23679, 2012.

R. S.  Bhavsar, Kumbharkar, S. C., and Kharul, U. K., ?Polymeric ionic liquids (PILs): effect of anion variation on their CO2 sorption?, Journal of Membrane Science, vol. 389, pp. 305-315, 2012.

Y. J.  Chendake and Kharul, U. K., ?Transport of inorganic acids through polybenzimidazole (PBI) based membranes by chemo-dialysis?, Desalination and Water Treatment, vol. 38, no. 1-3, pp. 96-103, 2012.

B. K.  Balan, Chaudhari, H. D., Kharul, U. K., and Kurungot, S., ?Carbon nanofiber-RuO2-poly(benzimidazole) ternary hybrids for improved supercapacitor performance?, RSC Advances, vol. 3, no. 7, pp. 2428-2436, 2013.

G. P.  Agarwal, Karan, R., Bharti, S., Kumar, H., Jhunjhunwala, S., Sreekrishnan, T. R., and Kharul, U. K., ?Effect of foulants on arsenic rejection via polyacrylonitrile ultrafiltration (UF) membrane?, Desalination, vol. 309, pp. 243-246, 2013.

B. K.  Balan, Unni, B., Chaudhari, H. D., Kharul, U. K., and Kurungot, S., ?Effect of the viscosity of poly(benzimidazole) on the performance of a multifunctional electrocatalyst with an ideal interfacial structure?, Journal of Materials Chemistry A, vol. 1, no. 13, pp. 4265-4276, 2013.

D.  Nagaraju, Bhagat, D. G., Banerjee, R., and Kharul, U. K., ?In situ growth of metal-organic frameworks on a porous ultrafiltration membrane for gas separation?, Journal of Materials Chemistry A, vol. 1, no. 31, pp. 8828-8835, 2013.

S. C.  Kumbharkar, Bhavsar, R. S., and Kharul, U. K., ?Film forming polymeric ionic liquids (PILs) based on polybenzimidazoles for CO2 separation?, RSC Advances, vol. 4, no. 9, pp. 4500-4503, 2014.

S.  Shaligram, Wadgaonkar, P. P., and Kharul, U. K., ?Fluorescent polymeric ionic liquids for the detection of nitroaromatic explosives?, Journal of Materials Chemistry A, vol. 2, no. 34, pp. 13983-13989, 2014.

R. S.  Bhavsar, Kumbharkar, S. C., and Kharul, U. K., ?Investigation of gas permeation properties of film forming polymeric ionic liquids (PILs) based on polybenzimidazoles?, Journal of Membrane Science, vol. 470, pp. 494-503, 2014.

A. S.  Rewar, Chaudhari, H. D., Illathvalappil, R., Sreekumar, K., and Kharul, U. K., ?New approach of blending polymeric ionic liquid with polybenzimidazole (PBI) for enhancing physical and electrochemical properties?, Journal of Materials Chemistry A, vol. 2, no. 35, pp. 14449-14458, 2014.

D. G.  Bhagat, Mule, B., Mandlekar, N., Pandare, K., and Kharul, U. K., ?PBI-BuI and PAN-PSSALi based UF membranes: effects of solute and membrane surface interactions on rejection and flux?, Desalination, vol. 333, no. 1, pp. 45-51, 2014.

R. S.  Bhavsar, Kumbharkar, S. C., Rewar, A. S., and Kharul, U. K., ?Polybenzimidazole based film forming polymeric ionic liquids: synthesis and effects of cation-anion variation on their physical properties?, Polymer Chemistry, vol. 5, no. 13, pp. 4083-4096, 2014.

A.  Bhaskar, Banerjee, R., and Kharul, U. K., ?ZIF-8@PBI-Bul composite membranes: elegant effects of PBI structural variations on gas permeation performance?, Journal of Materials Chemistry A, vol. 2, pp. 12962-12967, 2014.

A. S.  Rewar, Bhavsar, R. S., Sreekumar, K., and Kharul, U. K., ?Polybenzimidazole based polymeric ionic liquids (PILs): effects of controlled degree of N-quaternization on physical and gas permeation properties?, Journal of Membrane Science, vol. 481, pp. 19-27, 2015.

S. V.  Shaligram, Wadgaonkar, P. P., and Kharul, U. K., ?Polybenzimidazole-based polymeric ionic liquids (PILs): effects of `substitution asymmetry' on CO2 permeation properties?, Journal of Membrane Science, vol. 493, pp. 403-413, 2015.

B. P.  Biswal, Kandambeth, S., Chandra, S., Shinde, D. Balaji, Bera, S., Karak, S., Garai, B., Kharul, U. K., and Banerjee, R., ?Pore surface engineering in porous, chemically stable covalent organic frameworks for water adsorption?, Journal of Materials Chemistry A, vol. 3, no. 47, pp. 23664-23669, 2015.

B. P.  Biswal, Bhaskar, A., Banerjee, R., and Kharul, U. K., ?Selective interfacial synthesis of metal-organic frameworks on a polybenzimidazole hollow fiber membrane for gas separation?, Nanoscale, vol. 7, no. 16, pp. 7291-7298, 2015.

S. K.  Rath, Sudarshan, K., Bhavsar, R. S., Kharul, U. K., Pujari, P. K., Patri, M., and Khakhar, D. V., ?Characterizing the nanoclay induced constrained amorphous region in model segmented polyurethane-urea/clay nanocomposites and its implications on gas barrier properties?, Physical Chemistry Chemical Physics, vol. 18, no. 3, pp. 1487-1499, 2016.

B. P.  Biswal, Chaudhari, H. D., Banerjee, R., and Kharul, U. K., ?Chemically stable covalent organic framework (COF)-polybenzimidazole hybrid membranes: enhanced gas separation through pore modulation?, Chemistry-A European Journal, vol. 22, no. 14, pp. 4695-4699, 2016.

S. V.  Shaligram, Rewar, A. S., Wadgaonkar, P. P., and Kharul, U. K., ?Incorporation of rigid polyaromatic groups in polybenzimidazole-based polymeric ionic liquids: assertive effects on gas permeation properties?, Polymer, vol. 93, pp. 30-36, 2016.

A. S.  Rewar, Shaligram, S. V., and Kharul, U. K., ?Polybenzimidazole based polymeric ionic liquids possessing partial ionic character: effects of anion exchange on their gas permeation properties?, Journal of Membrane Science, vol. 497, pp. 282-288, 2016.

B. V.  Tawade, Shaligram, S. V., Valsange, N. G., Kharul, U. K., and Wadgaonkar, P. P., ?Synthesis and properties of poly(arylene ether)s based on 3-pentadecyl 4,4'-biphenol?, Polymer International, vol. 65, no. 5, pp. 567-576, 2016.

S.  Mitra, Kandambeth, S., Biswal, B. P., Khayum, A. M., Choudhury, C. Kumar, Mehta, M. R., Kaur, G., Banerjee, S., Prabhune, A., Verma, S., Roy, S., Kharul, U. K., and Banerjee, R., ?Self-exfoliated guanidinium-based ionic covalent organic nanosheets (iCONs)?, Journal of the American Chemical Society, vol. 138, no. 8, pp. 2823-2828, 2017.

B.  Shrimant, Kharul, U. K., and Wadgaonkar, P. P., ?Design, synthesis, and gas permeation properties of polyimides containing pendent imidazolium groups?, Journal of Polymer Science Part A-Polymer Chemistry, vol. 56, no. 15, pp. 1721-1729, 2018.

B.  Shrimant, Dangat, Y., Kharul, U. K., and Wadgaonkar, P. P., ?Intrinsically microporous polyimides containing spirobisindane and phenazine units: synthesis, characterization and gas permeation properties?, Journal of Polymer Science Part A - Polymer Chemistry, vol. 56, pp. 766-775, 2018.

H. D.  Chaudhari, Illathvalappil, R., Kurungot, S., and Kharul, U. K., ?Preparation and investigations of ABPBI membrane for HT-PEMFC by immersion precipitation method?, Journal of Membrane Science, vol. 564, pp. 211-217, 2018.

B.  Shrimant, Kharul, U. K., and Wadgaonkar, P. P., ?Spiro [fluorene-9,9 '-xanthene]-containing copolymers of intrinsic microporosity: synthesis, characterization and gas permeation properties?, Reactive & Functional Polymers, vol. 133, pp. 153-160, 2018.

B.  Shrimant, Shaligram, S. V., Kharul, U. K., and Wadgaonkar, P. P., ?Synthesis, characterization, and gas permeation properties of adamantane-containing polymers of intrinsic microporosity?, Journal of Polymer Science Part A-Polymer Chemistry, vol. 56, no. 1, pp. 16-24, 2018.

B. P.  Biswal, ?Transforming covalent organic framework into thin-film composite membranes for hydrocarbon recovery?, Separation Science and Technology , vol. 53, no. 11, pp. 1752-1759, 2018.

S. H.  Kunjattu, Ashok, V., Bhaskar, A., Pandare, K., Banerjee, R., and Kharul, U. K., ?ZIF-8@DBzPBI-BuI composite membranes for olefin/paraffin separation?, Journal of Membrane Science, vol. 549, pp. 38-45, 2018.

V. P.  Patil, Kashid, A. A., Solanki, B. S., Kharul, U. K., and Iyer, S., ?Bimetallic nano alloy architecture on a special polymer: Ni or Cu merged with Pd for the promotion of the Mizoroki-Heck reaction and the Suzuki-Miyaura coupling?, Journal of Chemical Sciences, vol. 133, no. 1, p. 8, 2021.

S. M.  Jogdand, Bedadur, P. R., Torris, A., Kharul, U. K., V. Naidu, S., and R. Devi, N., ?Tuning the selectivity of CO2 hydrogenation using ceramic hollow fiber catalytic modules?, Reaction Chemistry & Engineering, vol. 6, no. 9, pp. 1655-1665, 2021.

S. M.  Jogdand, Bedadur, P. R., Torris, A., Agrawal, R., Kharul, U. K., and R. Devi, N., ?Addressing challenges in sealing of scalable multifiber module for O-2 enrichment using LSCF membranes?, International Journal of Applied Ceramic Technology, vol. 19, no. 3, pp. 1561-1571, 2022.

S.  H. Kunjattu and Kharul, U. K., ?PPO-ZIF MMMs possessing metal-polymer interactions for propane/ propylene separation?, Journal of Membrane Science, vol. 668, p. 121208, 2023.

N. M.  Thorat, Lele, A. K., and Kharul, U. K., ?ABPBI-based hollow fiber membranes for forward osmosis (FO) possessing low reverse salt flux?, Desalination and Water Treatment, vol. 320, p. 100641, 2024.

S.  Gawas, Alladi, L., and Kharul, U. K., ?Chemodialysis of organic acids using ABPBI-based hollow fiber membranes?, Journal of Membrane Science, vol. 689, p. 122153, 2024.

S. H.  Kunjattu, Thorat, N. M., Gawas, S., and Kharul, U. K., ?Scalable, interfacially synthesized, covalent-organic framework (COF)-based thin-film composite (TFC) hollow fiber membranes for organic solvent nanofiltration (OSN)?, ACS Applied Materials and Interfaces , vol. 16, no. 15, pp. 19463-19471, 2024.

L.  Alladi, Lele, A. K., and Kharul, U. K., ?Poly(2,5-Benzimidazole) as a membrane material for solvent dehydration: effect of bound methanesulfonic acid?, Journal of Applied Polymer Science, vol. 142, no. 44, 2025.

S. M.  Jogdand, Sharma, J., Khilari, R. S., Mahajan, D. P., Patil, P., Pol, H. V., Torris, A., Agrawal, R., Kharul, U. K., and R. Devi, N., ?Understanding the structural characteristics of modified ceramic hollow fiber oxygen transport membranes through in silico tomography simulation study?, ACS Applied Materials & Interfaces, vol. 17, no. 30, pp. 43820-43829, 2025.

N. C.  Somkuwar, Thorat, N. M., Ambade, A., and Kharul, U. K., ?Poly(2,5-Benzimidazole)-based flat sheet membranes: investigating effects of dope solvent and membrane heat treatment on forward osmosis and acid enrichment performances?, Journal of Applied Polymer Science, vol. 143, no. 11, 2026.