Resumo

Nosso grupo vem desenvolvendo trabalhos abrangendo os seguintes temas:

1-Química Verde: Síntese e propriedades de solventes iônicos (líquidos iônicos e misturas eutécticas profundas) e suas misturas com solventes moleculares.

2- Novas aplicações de solventes iônicos: Dissolução, reciclagem e derivatização de biopolímeros; descontaminação de água e ar, e dissolução/transporte de insumos farmacêuticos ativos

3-Educação em Química: Educação para desenvolvimento sustentável.

Summary Our research group is working on the following research topics:

1-Green Chemistry: Synthesis and properties of ionic solvents (ionic liquids and deep eutectic mixtures) and their mixtures with molecular solvents.

2- New applications of ionic solvents: Dissolution, recycling and derivatization of biopolymers; decontamination of air and water, and dissolution/transport of active pharmaceutical ingredients

3-Chemistry Education: Education for sustainable development.

Recent Publications 

1- Dias, A. P.; Santos, S. da Silva; da Silva, J. V.; Parise-Filho, R.; Ferreira, E. I.; El Seoud, O. A.; Giarolla, J. (2020)

Dendrimers in the context of nanomedicine. Intl. J. Pharmaceut. 573, 118814; 10.1016/j.ijpharm.2019.118814

2- El Seoud, O. A.; Kostag, M.; Jedvert, K.; Malek, N. I (2020)

Cellulose Regeneration and Chemical Recycling: Closing the “Cellulose Gap” Using Environmentally Benign Solvents. Macromol. Mater. Eng. 2020, 1900832; 10.1002/mame.201900832.

3- Kostag, M.; Pires, P. A. R.: El Seoud, O. A. (2020)

Dependence of cellulose dissolution in quaternary ammonium acetates/DMSO on the molecular structure of the electrolyte: use of solvatochromism, micro-calorimetry, and molecular dynamics simulations. Cellulose, 27, 3565-3580; 10.1007/s10570-020-03050-8

4- Keppeler, N.; El Seoud, O. A. (2020)

Education for Sustainable Development: An Undergraduate Chemistry Project on Cellulose Dissolution, Regeneration, and Chemical Recycling of Polycotton. J. Lab. Chem. Educ., 8, 11-17; 10.5923/j.jlce.20200801.03

5- Bioni, T. A.; de Oliveira, M. L.; Dignani, M. T.; El Seoud, O. A (2020)

Understanding the efficiency of ionic liquids–DMSO as solvents for carbohydrates: use of solvatochromic- and related physicochemical properties. New J. Chem., 44, 4906--14914, DOI: 10.1039/d0nj02258f.

6- Kuddushi, M.; Kumar, A.; Ray, D.; Aswal, V.; El Seoud, O.; Malek, N. (2020)

Concentration and Temperature Responsive Reversible Transition in Amide Functionalized Surface Active Ionic Liquids: Micelles to Vesicles to Organogel. ACS Omega, 5, 24272-24284; 10.1021/acsomega.0c02397

7- Kostag, M.; Jedvert, K.; El Seoud, O. A. (2020)

Engineering of sustainable biomaterial composites fromcellulose and silk fibroin: Fundamentals and applications. Intl. J. Biol. Macromolecules 167, 687–718; 10.1016/j.ijbiomac.2020.11.151.

8- Dignani, M. T.; Bioni, T. A.; Paixão, T. R. L. C., El Seoud, O. A. (2020)

Cellulose Dissolution in Mixtures of Ionic Liquids and Dimethyl Sulfoxide: A Quantitative Assessment of the Relative Importance of Temperature and Composition of the Binary Solvent. Molecules, 25, 5975; 10.3390/molecules25245975

9- El Seoud, O. A.; Bioni, T. A.; Dignani, M. T. (2021)

Understanding cellulose dissolution in ionic liquid-dimethyl sulfoxide binary mixtures: Quantification of the relative importance of hydrogen bonding and hydrophobic interactions. J. of Mol. Liq. 322, 114848; 10.1016/j.molliq.2020.114848

10- Keppeler, N.; Galgano, P. D.; Santos, S. S.; Malek, N. I.; El Seoud, O. A. (2021)

On the effects of head-group volume on the adsorption and aggregation of 1-(n-hexadecyl)-3-Cm-imidazolium bromide and chloride surfactants in aqueous solutions. J. Mol. Liq. 328, 115478; 10.1016/j.molliq.2021.115478.

11- Novaki, L. P.; Chinelatto, A. M.; Silva, V. A. B.; El Seoud, O. A. (2021)

Analysis of consumer products: Demonstrating the power of LC-MS/MS for the simultaneous analysis of caffeine and other methylxanthines in guaraná fruit powder extract. J. Chem. Educ. 98, 2083−2089;10.1021/acs.jchemed.0c01069

12- Kostag, M.; El Seoud, O. A. (2021)

Sustainable biomaterials based on cellulose, chitin and chitosan composites - A review

Carbohydr. Polym. Technolog. Appl. 100079; 10.1016/j.carpta,2021.100079

13-Polez, R.T.; Rodrigues, R. V. M; El Seoud, O. A.; Frollini, E (2021)

Electrospinning of cellulose carboxylic esters synthesized under homogeneous conditions: Effects of the ester degree of substitution and acyl group chain length on the morphology of the fabricated mats. Journal of Molecular Liquids 339, 116745; 10.1016/j.molliq.2021.116745.

14- El Seoud, O. A., Jedvert, K., Kostag, M., Possidonio, S. (2021)

Cellulose, chitin and silk: the cornerstones of green composites, in “Green Composites” of “Emergent Materials”, 5, 785-810; 10.1007/s42247-021-00308-0

15- Santos, S. S., Keppeler, N., Giarolla, J., Ferreira, E. I., El Seoud, O. A. (2022)

Applications of ionic liquids in pharmaceutical sciences. In Functional biopolymers- Drug delivery and biomedical applications. Jana, Sougata, Jana, Subrata (Eds.), Springer, 471-502; 978-981-16-7151-7; 10.1007/978-981-16-7152-4_17

16- Keppeler, N., Novaki, L. P., El Seoud, O. A. (2021)

Teaching the undergraduate laboratory during pandemic time: Using the synthesis of a biodiesel model to demonstrate aspects of green chemistry. J. Chem Educ., 98, 3962−3967; 10.1021/acs.jchemed.1c00779

17- Keppeler, N., Lourenço, M. C., El Seoud, O. A. (2021)

Distance Teaching of the Undergraduate Laboratory During Pandemic Time: Dissolution of Cellulose in Mixtures of Ionic Liquids and Dimethyl Sulfoxide and Its Regeneration as Films. J. Lab. Chem. Educ., 9, 41-49; 10.5923/j.jlce.20210903.02

18-El Seoud, O. A., Kostag, M., Possidonio, S., Dignani, M. T., Pires, P. A. R., Lourenço, M. C. (2022)

Dissolution of Silk Fibroin in Binary Mixtures of Ionic Liquids and Dimethyl Sulfoxide: Assessment of the Relative Importance of Temperature and Binary Solvent Composition. Polymers, 14, 13; 10.3390/polym14010013

19- Keppeler, N., Galgano, P. D., Schönhoff, M., Malek, N. I., El Seoud, O. A. (2022)

Effects of head-group volume on the thermodynamic parameters and species distribution of ionic liquid-based surfactants in water: 1-(n-hexadecyl)-3-alkylimidazolium bromides and chlorides. J. Mol. Liq. 362- 119681; 10.1016/j.molliq.2022.119681

20-Khalid, M., Souza Jr, S. P., Cabello, M. C., Bartoloni, F. H., Ciscatoc, L. F. M. L., Bastos, E. L., El Seoud, O. A., Baader, W. J. (2022)

Solvent polarity influence on chemiexcitation efficiency of inter and intramolecular electron-transfer catalyzed chemiluminescence.

J. Photochem. Photobiol. A; Chemistry, 433, 114161, 10.1016/j.jphotochem.2022.114161

21- Jaina, M.; El Seoud, O. A.; Kailasa, S. K; Malek, N. I. (2022)

Recent Advances in Synthesis, Properties and Applications of pH, Light-Responsive and Functionalized Surface Active Ionic Liquid

J. Ionic liquids, 2, 100046; 10.1016/j.jil.2022.100046

22- Kuddushi, M.; Patel, N. K.; Mata, J.; El Seoud O. A.; Malek, N. I. (2022)

Imidazole-based surface-active gelator: Thermo responsive gel-to-gel transition of 1-hexadecyl-3-methyl imidazoliam salicylate for multidimensional applications. J. Mol. Liq. 345, 117773; 10.1016/j.molliq.2021.117773 

23- El Seoud, O. A.; Keppeler, N.; Zambelli, M. H. (2023)

Sustainable Fuels for High School Students: Synthesis of Biodiesel from an Amazon Region Oil (Babassu). J. Lab. Chem. Educ. 11: 1-6, 10.5923/j.jlce.20231101.01

24- Ukani, H.; Mehra, S.; Parmar, B.; Kumar, A.; Khan, I.; El Seoud, O. A.; Malek, N. V. (2023)

Metal−Organic Framework-Based Aerogel: A Novel Adsorbent for the Efficient Removal of Heavy Metal Ions and Selective Removal of a Cationic Dye from Aqueous Solution. Ind. Eng. Chem. Res. 62, 5002–5014; 10.1021/acs.iecr.2c03804

25- Pansuriya, R.; Mehra, S.; Kumar, A.; El Seoud, O. A.; Kailasa, S.; Malek N. I. (2023)

Two Birds with One Stone: Multifunctional Ionic Liquid Based Polymeric Hydrogel as Decontaminant and Vehicle for Drug Delivery. J. Mol. Liq., 382, 121857, 10.1016/j.molliq.2023.121857.

26- Parsana, N.; Kumar, S,; Aswal, V.; El Seoud, O. A.; Malek, N. I. (2023)

Self-healable, injectable, and conductive supramolecular eutectogel for the encapsulation and sustainained release of the aniticancer drug curcumin. ACS Appl. Eng. Mater, 1, 1, 380; 10.1021/acsaenm.2c00095   

27- Rodrigues, B. V. M.; Polez, R. T.; El Seoud, O. A.; Frollini, E. (2023)

Cellulose acylation in homogeneous and heterogeneous media Optimization of reactions conditions.  Intl. J. Biol. Macromols., 243, 125256; 10.1016/j.ijbiomac.2023.125256

28-El Seoud O. A., Keppeler N., Sandrini D. M. F., Morselli G. R. (2023)

Active learning in the undergraduate chemistry laboratory: Synthesis of biodiesel from an Amazon region oil (babassu): Keep it simple! J. Chem. Educ. 100, 2926−2934; 10.1021/acs.jchemed.2c01124

29- Keppeler, N.; Pires, P. A. R.; Freitas, J. L. S.; El Seoud, O. A. (2023)

Cellulose dissolution in mixtures of ionic liquids and molecular solvents: The fruitful synergism of experiment and theory. J. Mol. Liq., 386, 122490; 10.1016/j.molliq.2023.122490

30-291- Keppeler, N.; Vagula, N. R. S.; Zambelli M. H.; Guimarães R. N.; de Carvalho V. M.; El Seoud O. A. (2023)

Education for sustainable development for high school students: Synthesis of biodiesel from an Amazon region oil (babassu). J. Lab. Chem. Educ. 11, 20-26; 10.5923/j.jlce.20231102.02

31- Patel, T.; Pansuriya, R.; Mehra, S.; Kumar, A.; El Seoud, O. A.; Assiri, M.; Malek N. I. (2023)

Photo and Temperature Responsive Novel Surface Active Ionic Liquid-Based Polymeric Hydrogel . J. Mol. Liquids 391 123099; 10.1016/j.molliq.2023.123099

32- Cabello, M. C.; El Seoud, O. A.; Bastos, E. L.; Baader, W. J. (2024)

Chemiluminescent peroxyoxalate cellulose microspheres. J. Photochem. Photobiol. A: Chemistry; 449, 115407; 10.1016/j.jphotochem.2023.115407

33- Pandyaa, I.; El Seoud, O. A.; Assiri, M. A.; Kailasa S. K.; Malek, N. I. (2024)

Ionic Liquid/ Metal Organic Framework composites as a new Class of  Materials for CO₂ Capture: Present Scenario and Future Perspective. J. Mol. Liq., 395, 123907; 10.1016/j.molliq.2023.123907

34- El Seoud, O. A.; Possidonio S.; Malek, N. I. (2024)

Solvatochromism in Solvent Mixtures: A Practical Solution for a Complex Problem

Liquids, 4, 73–94; 10.3390/liquids4010003

35- Parsana, N.; Ukani, H.; El Seoud, O. A.; Al-Ghamdi, A.; Malek, N I. (2024)

Deep Eutectic Solvent Based Self-healable, Stretchable, Injectable and Dual-Responsive Eutectogels: A Versatile Platform for Breast Cancer Treatment. Chem. Eng. J. 488, 150703; 10.1016/j.cej.2024.150703

36-Moraes, B. R.; Paschoal V. H.; Keppeler, N.; El Seoud, O. A.; Ando, R. A. (2024)

The coiling effect in ether ionic liquids: Exploiting acetate as a probe for transport properties and microenvironment analysis. J. Phys. Chem. B, 128, 4759-4769; 10.1021/acs.jpcb.3c08162 

37- Pandya, I.; Kumar, S.; Aswal, V. K.; El Seoud, O. A.; Assiri, M. A.; Malek, N. I. (2024)

Metal organic framework-based polymeric hydrogel: A promising drug delivery vehicle for the treatment of breast cancer. Intl J. Pharm. 658, 124206; doi.org/10.1016/j.ijpharm.2024.124206

38- El Seoud, O. A.; Keppeler, N.; Vagula, N. R. S. (2024)

Biodiesel Synthesis from Vegetable Oils Using a Recyclable Heterogeneous Catalyst: Employing Active Learning to Implement Education for Sustainable Development

J. Laboratory Chem. Educ. 2024, 12: 1-14; doi.org/ 10.5923/j.jlce.20241201.01

39-  Jain, M.;  Ukani, H.; Kumar, S.; Aswal, V. K.;  Kailasa, S. K.; El Seoud, O. A.; Malek, N. I. (2024)

Unveiling the Potential of Surface Active Ionic Liquids Based Catanionic Vesicles for Tailored Delivery of Curcumin and its Enhanced Therapeutic Efficacy. ChemistrySelect,9, e202401144; 10.1002/slct.202401144

Curriculo (Sistema Lattes - CNPq)

Curriculo (Sistema Researcher ID)