期刊
ACS BIOMATERIALS SCIENCE & ENGINEERING
卷 6, 期 9, 页码 4881-4892出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsbiomaterials.0c00461
关键词
citrus limetta; biomass; solvothermal process; enzymatic activity; biocompatibility
资金
- UGC (University Grants Commission), India
- Council of Scientific and Industrial Research (CSIR), New Delhi, India [01/2871/17/EMR-II]
- Ministry of Human Resource Development (MHRD)
- Ministry of Electronics and Information Technology (MeitY)
- Nanomission, Department of Science and Technology (DST), Govt. of India
Functional carbon material synthesis from waste biomass by a sustainable method is of prime importance and has wide variety of applications. Herein, functional carbon materials with structural variability are synthesized using a well-known solvothermal method. The leftover pulp waste biomass (PB) of citrus limetta is converted to functional carbon by treatment with a mixture of choline bitartrate (ChBt) and FeCl3 (1:2 mol ratio) as a solvent. The biomass to solvent ratio is varied as 1:1, 0.8:1, and 0.4:1 during solvothermal treatment to obtain PB-1, PB-2, and PB-3 as functional carbon materials, respectively. On characterization, PB carbon materials were found to be rich in oxygen-containing functional groups possessing different morphologies. Furthermore, results suggested the role of solvent as a soft template and catalyst during the synthesis of carbon materials. The feasibility of synthesized carbon materials as a biocompatible cosolvent for lysozyme was evaluated. In the case of PB-2 material (synthesized using 0.8:1 biomass to solvent ratio), results show an enhancement of lysozyme activity by 150%. Besides, spectroscopic and calorimetric data confirm the preservation of thermal and structural stability of lysozyme in the PB-2 solution. Thus, this study stipulates PB-2 as an excellent cosolvent for protein studies. With this work, we aim to delve into an entirely new arena of applications of biomass in the field of biotechnology.
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