Article
Thermodynamics
D. A. Kalinyuk, A. I. Druzhinina, L. A. Tiflova, O. V. Dorofeeva, Y. V. Golubev, D. Yu Iliyn, K. D. Semavin, N. S. Chilingarov
Summary: A comprehensive thermodynamic study was conducted on two ionic liquids, EmimCl and BmimCl, using experimental and calculation methods. Various thermodynamic functions, such as standard entropy, heat content, and Gibbs energy, were calculated for both crystalline and liquid phases of EmimCl and BmimCl. Melting parameters and standard enthalpies of dissolution were measured, and standard enthalpies, entropies, and Gibbs energies of formation were calculated. The obtained thermodynamic characteristics were analyzed and compared with literature data.
JOURNAL OF CHEMICAL THERMODYNAMICS
(2023)
Article
Chemistry, Physical
Yiwen Yang, Haifeng Qi, Huixiang Li, Zhanwei Xu, Xiumei Liu, Shuyin Yu, Zongchao Conrad Zhang
Summary: In this study, paired PdCl2-CuCl exhibited excellent synergetic catalytic activity in the hydrolysis of beta-1,4-glycosidic bonds in cellulose, forming a stable heterometallic complex anion. This catalytic system showed good performance in efficient cellulose and glucose conversion, demonstrating potential for high value-added chemical production.
Article
Metallurgy & Metallurgical Engineering
Yu Liang, Shenxu Bao, Yimin Zhang, Bo Chen, Chen Yu
Summary: Imidazole-based ionic liquid was immobilized on polymer support and proven successful by various characterizations. The supported ionic liquid showed high adsorption capacity and excellent cyclic stability in the separation of vanadium (V) from a vanadium-containing solution.
MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW
(2022)
Article
Chemistry, Physical
A. M. Dunaev, V. B. Motalov, L. S. Kudin, Yu. A. Zhabanov, V. V. Aleksandriiskii, Dmitrii Govorov
Summary: The thermodynamic properties of evaporation of 1-butyl-3-methylimidazolium tetrafluoroborate (BMImBF(4)) ionic liquid were investigated using Knudsen effusion mass spectrometry. The results showed that at non-equilibrium Langmuir conditions, the IL evaporates primarily in the form of neutral ion pairs (NIPs), while under equilibrium conditions, decomposition products dominate the vapor. The main decomposition products were found to be substituted imidazole-2-ylidene and hydrofluoric acid. The vaporization enthalpy and formation enthalpy of NIPs were determined, and it was demonstrated that the system is characterized by partial equilibrium.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Physical
Yoshihiro Koyama, Seiya Shimono, Hiroaki Kishimura, Takahiro Takekiyo, Yukihiro Yoshimura, Hiroshi Abe, Kiyoto Matsuishi
Summary: The high-pressure crystal polymorph of a fluorinated ionic liquid was determined through X-ray diffraction and Raman spectroscopy, revealing irreversible changes in crystal structure upon compression and decompression. Conformational variance/invariance of the ions in the Raman spectra corresponded to the high-pressure crystal polymorph, indicating a switch in conformational variance at a specific pressure point leading to a change in crystal system. The high-pressure crystal polymorph was shown to be entirely different from the low-temperature crystal polymorph.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Applied
Yong Li, Yan Li, Tao Chen, Xiaodeng Yang, Congde Qiao, Fei Hao, Mingxia Liu
Summary: This paper investigates the effect of crystallized calcium carbonate particles (cry-CaCO3) on the properties of HTCC/CMC films. The results show that cry-CaCO3 particles promote the homogeneous distribution of the HTCC/CMC matrix, significantly improving mechanical properties while having little effect on thermal stability, whiteness, and wettability of the films. The study further characterizes the cry-CaCO3 particles and reveals that the strong electrostatic, hydrogen bonding, and flexible interaction between CMC and cry-CaCO3 particles play a key role in improving the mechanical properties of HTCC/CMC films.
CARBOHYDRATE POLYMERS
(2022)
Article
Energy & Fuels
Chakrit Tachaapaikoon, Manita Kuntapa, Kaokanya Sudaprasert
Summary: Ionic liquid pretreatment combined with dimethyl sulfoxide (DMSO) has been investigated in the delignification and cellulose hydrolysis of corncobs. Results showed that reusing the mixture of ionic liquid and DMSO can enhance cellulose conversion, and low temperature pretreatment can reduce lignin content.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Thermodynamics
Sowjanya Prathipati, Srinivasa Rao Vipparla, Srinivasa Reddy Munnangi, Md Nayeem Sk, Hari Babu Bollikolla
Summary: This study involved the determination of physical parameters and properties of [Bmim][PF6] / N-methylpyrrolidone and their mixtures at various compositions and temperatures. The results indicated strong intermolecular interactions, which increased with temperature. The findings were supported by the Prigogine-Flory-Patterson theory and IR spectra.
JOURNAL OF CHEMICAL THERMODYNAMICS
(2021)
Article
Chemistry, Physical
Chunhui Li, Hui He, Chenxi Hou, Mingjian He, Caishan Jiao, Qingjiang Pan, Meng Zhang
Summary: The complex behavior of extractants in ionic liquids has been studied through theoretical calculations and simulations, revealing that ion pairs are favored over separated ions and the interaction with the extractant is primarily driven by electrostatic forces. The concentration of the extractant greatly influences the local structures and interactions.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
S. Maryam Ghorbani, Mohammad Reza Housaindokht, Mohammad Reza Bozorgmehr
Summary: The study showed that ionic liquids, specifically [BMIM][Br] and [BMIM][MeSO4], have different effects on the structure and function of Chloroperoxidase (CPO) depending on their concentrations. Low concentrations maintain enzyme activity while high concentrations alter enzyme structure and reduce flexibility of residues. The influence of [BMIM][MeSO4] on CPO structure is noted to be greater due to the unique structure of its corresponding anion group. Additionally, the number of cavities in the enzyme structure explains the activation and deactivation of the enzyme at different ionic liquid concentrations.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Energy & Fuels
Sami-ullah Rather, Hisham S. Bamufleh, Hesham Alhumade, Usman Saeed, Aqeel Ahmad Taimoor, Aliyu Adebayo Sulaimon, Walid M. Alalayah, Azmi Mohd Shariff
Summary: The high levels of anthropogenic CO2 in the atmosphere causing global warming and erratic weather conditions need urgent attention. An ionic liquid, [C(4)mim][CH3SO3], was chosen for CO2 capture due to its unique characteristics. The COSMO-RS model was used to study the interaction between the IL and CO2. The study provides a detailed overview of the theoretical and experimental aspects of IL's CO2 capture.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2023)
Article
Chemistry, Physical
V. A. Elterman, P. Yu Shevelin, L. A. Yolshina, E. G. Vovkotrub, A. Borozdin
Summary: The transport numbers of [BMIm](+) cation in the ionic liquid are independent of the mole fraction of aluminium chloride, with internal and external transport numbers being 0.70 +/- 0.01 and 1.02 +/- 0.04, respectively. The mobility of AlCl4- and Cl- in the ionic liquid was found to be similar, and the cation size did not affect the transport numbers in the chloroaluminate ionic liquids.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Agricultural Engineering
Gangqiang Zhang, Yalong Zhang, Kaichang Zheng, Qianqian Wang, Jiewen Hu
Summary: In this study, an antibacterial N-halamine regenerated cellulose carbamate membrane (RCCM-Cl) was manufactured and evaluated. The RCCM-Cl showed remarkable antibacterial activity, maintained certain mechanical properties and transparency, and exhibited excellent performance in terms of cell compatibility, rechargability, and stability.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Materials Science, Paper & Wood
Jiewen Hu, Ruojia Li, Shaotong Zhu, Gangqiang Zhang, Ping Zhu
Summary: A novel wet-spun cellulose carbamate fiber technology was developed in this study to produce N-halamine regenerated cellulose fiber (RCC-Cl) with rechargeable and rapid bactericidal properties. The mechanical properties and antimicrobial activities of RCC-Cl fibers were characterized, showing great potential in the field of functional textiles.
Article
Chemistry, Physical
Souvik Layek, Pavel Banerjee, Nilmoni Sarkar
Summary: This study investigates the interaction between solutes and an ionic liquid-DMSO mixture with varying levels of cellulose dissolution through fluorescence spectroscopic studies. The results indicate that the presence of cellulose modulates the dynamics of solutes in the mixture, leading to specific interaction patterns and temperature-dependent changes in rotational reorientation times. Overall, this work highlights the importance of understanding the photophysical aspects of cellulose dissolution in ionic liquid-DMSO mixtures.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Review
Chemistry, Multidisciplinary
Ananda S. Amarasekara
ISRAEL JOURNAL OF CHEMISTRY
(2019)
Article
Energy & Fuels
Ananda S. Amarasekara, Yen Maroney Lawrence, Anthony D. Fernandez, Tony L. Grady, Bernard Wiredu
Summary: The study investigated the conversion of levulinic acid (LA) and cellulose into gamma-valerolactone (GVL) using Raney-Ni catalyst. The optimal conditions yielded high conversion rates. The addition of acidic co-catalysts did not improve the GVL yield.
Article
Agricultural Engineering
Ananda S. Amarasekara, Fang Deng
BIOMASS & BIOENERGY
(2019)
Article
Chemistry, Analytical
Ananda S. Amarasekara, Cristian D. Gutierrez Reyes
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2020)
Article
Energy & Fuels
Fang Deng, Ananda S. Amarasekara
BIOENERGY RESEARCH
(2020)
Article
Chemistry, Applied
Ananda S. Amarasekara, Cristian D. Gutierrez Reyes
FUEL PROCESSING TECHNOLOGY
(2020)
Article
Agricultural Engineering
Fang Deng, Ananda S. Amarasekara
Summary: This article covers the catalytic upgrading reactions of biomass-derived renewable furan derivatives furfural and 5-hydroxymethylfurfural, with a focus on developments in the last five years. It also discusses the importance of this renewable feedstock class, preparation methods from monosaccharides, and the diversity of possible transformations. Recent advances in catalytic reductions, oxidations, and carbon number upgrading of biofurans are reviewed, highlighting the progress in developing more stable value-added derivatives.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Chemistry, Multidisciplinary
Ananda S. Amarasekara, Deping Wang
Summary: A novel method for the production of graphene oxide (GO) using the cellulose biofilm formed in the kombucha tea fermentation industry as a carbon source has been developed. By pyrolysis of the kombucha pellicle at 600 degrees Celsius under an inert atmosphere, a high yield of GO has been achieved without the need for concentrated strong acids and oxidizing agents. This sustainable and green approach represents a significant advancement in the field of graphene oxide synthesis.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Green & Sustainable Science & Technology
Samantha Roberts, Tristan Roland, Ananda S. Amarasekara
Summary: Renewable energy policies and adoption of new technologies in different states of the USA vary. Factors influencing the adoption of sustainable energy generation were analyzed using regression analysis, including the percentage of high school graduates, college graduates, total population, land area, water covered area, average annual income, and registered democrats. The study found that the percentage of registered democrats was the most influential factor in determining renewable energy adoption, while the transition to electric cars was strongly correlated with higher average annual income. An aggressive education campaign by environmentalist and pro-sustainability groups may help separate energy and environment policies from political ideologies in the USA for a more sustainable future.
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY
(2023)
Article
Chemistry, Multidisciplinary
Ananda S. Amarasekara, Sofia K. Pinzon, Tommy Rockward, Hashini N. K. Herath
Summary: The spent Li-ion battery electrode material, lithium nickel manganese cobalt oxide, is shown to be a reusable catalyst for the oxidation of biomass-derived aldehydes and alcohols, with applications in the sustainable polymer industry.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Energy & Fuels
Ananda S. Amarasekara, Victor C. Nwankwo, Harshica Fernando
Summary: In this study, hydroxy sulfonic acids were investigated as model compounds for cellulase enzyme for the hydrolysis of cellulose. The catalytic activities were measured by analyzing the total reducing sugar yields. The highest catalytic activity was observed with isethionic acid, which produced a yield of 62.7% at 180 degrees Celsius after 4 hours.
Article
Engineering, Chemical
Ananda S. Amarasekara, Victor C. Nwankwo
Summary: Efficient catalytic hydrolysis of lignocellulosic biomass to sugars is a major challenge in sustainable biofuel and chemical feedstock production. This study compared the effectiveness of isethionic acid and sulfuric acid catalysts in the hydrolysis of polysaccharides in corn stover, switch grass, and poplar. It was found that the use of isethionic acid catalyst reduced the optimal reaction temperature and increased sugar yields, potentially due to hydrogen-bonding-type dipolar interactions between isethionic acid and biomass polysaccharides.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Polymer Science
Ananda S. Amarasekara, Lauren J. Leday, Deping Wang, Cristian D. Gutierrez Reyes
Summary: Sodium levulinate cellulose (SLC) is prepared as a new analog of carboxymethyl cellulose (CMC) with a longer carbon chain using the Williamson ether synthesis reaction. The SLC products were obtained with yields of 66-94% through heating and microwave conditions in aqueous iso-propanol medium. Characterization was done using FT-IR, TG-DTA, X-ray, and proton NMR techniques. The degree of substitution of SLC ranged from 0.32 to 0.86 depending on the reaction conditions.
MACROMOLECULAR RESEARCH
(2023)
Article
Biotechnology & Applied Microbiology
Ananda S. Amarasekara, Cristian D. Gutierrez Reyes, Rocio Garcia Obregon
BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY
(2020)
Article
Multidisciplinary Sciences
Ananda S. Amarasekara, Deping Wang, Tony L. Grady
SN APPLIED SCIENCES
(2020)
Review
Chemistry, Applied
Xingran Kou, Dongdong Su, Fei Pan, Xiwei Xu, Qingran Meng, Qinfei Ke
Summary: This review provides a systematic discussion of the application of molecular dynamics (MD) simulations in aroma compounds (ACs)/cyclodextrins (CDs) inclusion complexes (ICs). It covers the establishment of the simulation process, parameter selection, model evaluation, and various application cases, summarizing the major achievements and challenges of this method.
CARBOHYDRATE POLYMERS
(2024)
Review
Chemistry, Applied
Haoyu Yu, Quanbin Zhang, Ammad Ahmad Farooqi, Jing Wang, Yang Yue, Lihua Geng, Ning Wu
Summary: Brown algae are rich in fucoidan, which has been found to have anti-cancer and anti-metastasis effects. Fucoidan inhibits tumor cell growth, proliferation, and metastasis, and also promotes immune responses in the tumor microenvironment.
CARBOHYDRATE POLYMERS
(2024)
Review
Chemistry, Applied
Liang Dong, Yanan Li, Hailin Cong, Bing Yu, Youqing Shen
Summary: Gene therapy is a revolutionary treatment that requires suitable vectors for protecting and releasing exogenous nucleic acids in target cells. Chitosan, as a non-viral vector, has gained attention due to its good biocompatibility and ability to load large amounts of nucleic acids. This paper summarizes the potential of chitosan and its derivatives as gene delivery vector materials, discusses factors influencing transfection efficiency, performance evaluation, ways to optimize infectious efficiency, and current research development directions. It also provides an outlook on the future prospects of chitosan.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Ana Iglesias-Mejuto, Beatriz Magarinos, Tania Ferreira-Goncalves, Ricardo Starbird-Perez, Carmen Alvarez-Lorenzo, Catarina Pinto Reis, Ines Ardao, Carlos A. Garcia-Gonzalez
Summary: This study developed a novel processing strategy to manufacture drug-loaded and personalized aerogels with nanostructures. The aerogels demonstrated bioactivity and antimicrobial effects, promoting bone regeneration and preventing infections in bone tissue engineering.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Zhenxu Shi, Dimei Yang, Yan Zhou, Xinyu Chen, Lin Gan, Jin Huang
Summary: This study proposes a micro-assembly method to improve the photoluminescent properties of crystalline cellulose nanocrystals (CNCs) by organizing them within a sub-micrometer-sized metal-organic framework and coating with TiO2. The TiO2 coating prevents CNC assembly breakdown and allows information to be revealed using screenprinted labels for anti-counterfeiting purposes.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Xuejiao Liu, Bin Fu, Jierong Chen, Zhenyu Sun, Dongdong Zheng, Zhonghua Li, Bing Gu, Ying Zhang, Haojie Lu
Summary: Liver disease is a major cause of global mortality, and identifying biomarkers for diagnosing its progression is crucial for improving outcomes. Targeted mass spectrometry is a powerful tool for verifying biomarker candidates and clinical applications, particularly for glycoproteins translation. However, the limitation of analyzing only one sample per run has become apparent. In this study, a high-throughput intact N-glycopeptides quantification strategy was developed, allowing the validation of 20 samples per run with an average analysis time of 3 minutes per sample. The strategy was applied in a cohort of 461 serum samples and identified a panel of 10 IgG N-glycopeptides that have strong clinical utility in evaluating the severity of liver disease.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Qian Wang, Hao Jiang, Hongli Zhang, Weiqiao Lu, Xiao Wang, Wenfeng Xu, Jia Li, Youjing Lv, Guoyun Li, Chao Cai, Guangli Yu
Summary: This study proposes a novel strategy of antibody-beta-glucan conjugates (AGC) to enhance the antitumor immune response to immune checkpoint blockade (ICB) therapy. AGC demonstrated powerful tumor suppression and promoted interaction between tumor cells and dendritic cells (DCs), thereby enhancing immunotherapeutic benefits.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Chaeyeon Lee, Sojeong Lee, Sang Wook Kang
Summary: The study aims to enhance the properties of porous membranes by addressing the limitations associated with phase separation. By using cellulose acetate and citric acid, the researchers were able to fabricate membranes with improved mechanical strength and thermal stability. The cross-linking effect of citric acid resulted in a more uniform pore structure and higher porosity.
CARBOHYDRATE POLYMERS
(2024)
Review
Chemistry, Applied
Tejaswini Kolipaka, Giriraj Pandey, Noella Abraham, Dadi A. Srinivasarao, Rajeev Singh Raghuvanshi, P. S. Rajinikanth, Vidya Tickoo, Saurabh Srivastava
Summary: This review focuses on the design and application of polysaccharide-based hydrogel wound dressings, highlighting aspects such as biocompatibility, biodegradability, drug entrapment, moisturizing ability, swelling, and mechanical properties. Additionally, various crosslinking methods and recent developments in stimuli-responsive hydrogels are discussed.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Anqi Xu, Nan Zhang, Shixing Su, Hongyu Shi, Daoqiang Lu, Xifeng Li, Xin Zhang, Xin Feng, Zhuohua Wen, Gengwu Ma, Mengshi Huang, Chi Huang, Yuqi Hu, Hao Yuan, Qinwen Liu, Daogang Guan, Jun Wang, Chuanzhi Duan
Summary: The study presents a one-pot radical polymerization method to fabricate a hydrogel with adhesive properties, which can effectively treat bacterial-infected diabetic wounds and accelerate wound healing.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Montarop Yamabhai, Munthipha Khamphio, Thae Thae Min, Chai Noy Soem, Nguyen Cao Cuong, Waheni Rizki Aprilia, Krisanai Luesukprasert, Karsidete Teeranitayatarn, Atthaphon Maneedaeng, Tina R. Tuveng, Silje B. Lorentzen, Simen Antonsen, Paiboon Jitprasertwong, Vincent G. H. Eijsink
Summary: The study investigates the bioconversion of chitosan into soluble anti-inflammatory chitosan oligosaccharides (CHOS) using an enzyme. The results show that the generated CHOS have anti-inflammatory activity, but the magnitude of the activity depends on the substrate and production process. Different methods of dissolving chitosan also affect the properties of CHOS. The study highlights the importance of quality assurance in CHOS preparations.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Wen Cao, Jiangping Wu, Xinya Zhao, Zixu Li, Jie Yu, Taili Shao, Xuefeng Hou, Lutan Zhou, Chunfei Wang, Guodong Wang, Jun Han
Summary: In this study, a water-soluble polysaccharide (PLP1) was successfully isolated and purified from Pueraria lobata. It was found that PLP1 was composed of specific glycosidic units and exhibited a better free radical-scavenging ability. Moreover, PLP1 effectively protected the liver against acute alcoholic liver disease (ALD) in mice.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Ya Su, Yaqian Liu, Xueyan Hu, Yueqi Lu, Jinyuan Zhang, Wenbo Jin, Wang Liu, Yan Shu, Yuen Yee Cheng, Wenfang Li, Yi Nie, Bo Pan, Kedong Song
Summary: A 3D printed scaffold based on carbon dots-curcumin nano-drug release has been developed for drug delivery after breast cancer surgery. The scaffold showed effective inhibition of tumor growth, antibacterial activity, and promotion of wound healing, making it a promising approach for preventing tumor recurrence.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Ekaterina Sokolova, Diane Jouanneau, Antonin Chevenier, Murielle Jam, Nathalie Desban, Pierre Colas, Elizabeth Ficko-Blean, Gurvan Michel
Summary: Carrageenans, a compound synthesized in red algae, have various biological properties and are valuable in the pharmaceutical and cosmetic industries. Their fine structure affects wound healing, oxidative processes, hemostasis, and inflammation. Enzymatic modification of carrageenans produces oligosaccharides that bind to natural human serum antibodies and specific antibodies, showing potential for therapeutic applications.
CARBOHYDRATE POLYMERS
(2024)
Article
Chemistry, Applied
Yan Shi, Miao Yu, Kaijin Qiu, Tiantian Kong, Chunjing Guo, Wenxue Zhang, Daquan Chen, Ming Kong
Summary: In this study, functionalized transfersomes were developed to co-deliver doxorubicin and 1MT towards primary tumors and tumor draining lymph nodes via transdermal administration using microneedles. The results showed that the nano-complexed microneedles exhibited a stronger suppression in tumor growth compared to the intravenous group.
CARBOHYDRATE POLYMERS
(2024)
