Biodegradation of Carboxymethyl Cellulose using Aspergillus flavus

Anita, B.; Thatheyus, A. Joseph; Ramya, D.

doi:10.5567/sciintl.2013.85.91

Cited by 16 publications

(6 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The total culturable bacterial population of the bagasse was determined by an enrichment culture that was prepared by incubating 2 g of bagasse in tryptic soy broth, at 37 °C and 150 rpm for 48 hours. The culture was serially diluted after 48 h and 40 uL portions of the 10 −6 and 10 −7 dilutions were spread plated on tryptic soy agar (TSA) plates supplemented with amphotericin B (0.25 μg/mL) and incubated at 30 °C for 48 hours ( Anita et al., 2013 ; Dashtban et al., 2010 ). Colonies that varied by morphological appearance inclusive of color, size and shape were selected and purified by serial subculturing on TSA plates.…”

Section: Methodsmentioning

confidence: 99%

“…Isolated bacteria were screened for exoglucananse and endoglucanase activity using cellulose and carboxymethyl cellulose (CMC) supplemented agar plates. Agar plates contained (per L): K 2 HPO 4 (2 g), Na 2 HPO 4 (2 g), (NH 4 ) 2 SO 4 (1.25 g), peptone (1 g), bacto agar (7.5 g), 1% cellulose or CMC ( Anita et al., 2013 ; Gupta et al., 2012 ). Twenty-four hour cultures of bacteria were streaked on to each type of plate.…”

Section: Methodsmentioning

confidence: 99%

“…Three Individual replicate experiments were conducted for each bacterial strain as follows: HT and ST pretreated bagasse (2.5 g, substrate concentration) were each placed in 125 mL conical flasks, to which 45 mL of appropriate buffer was added to the flask and the mixture sterilized at 121 °C for 15 min. A 5 mL aliquot of bacteria cultured in TSB for 24 hours, was washed and resuspended in buffer by centrifugation at 10 000 rpm bringing the total volume to 50 mL ( Anita et al., 2013 ). The flasks were then incubated for 168 h at the appropriate pH and temperature.…”

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

Temperature and pH effect on glucose production from pretreated bagasse by a novel species of Citrobacter and other bacteria

Jones

Kerr

Haltli

et al. 2018

Heliyon

View full text Add to dashboard Cite

Cellulolytic bacteria that produce cellulases, which are active over a range of pH and temperatures, can be used to catalyze hydrolysis of pretreated lignocellulosic material. This is important in the production of second generation biofuels among other biotechnological applications. In this investigation, bacteria isolated from sugarcane bagasse were identified as strains of Enterobacter xiangfangensis, Serratia rubidaea, Klebsiella pneumoniae and a novel species of Citrobacter designated Citrobacter sp. UWIBGS10. The glucose production potential of these strains was studied on thermally and solvent pretreated sugarcane bagasse. This was performed at 24-hour intervals up to 168 hours in the range of pH 5–9 and temperature range 25–40 °C. Maximal concentrations of glucose for Citrobacter sp. UWIBGS10 occurred at pH 6 and 25 °C. For E. xiangfangensis, S. rubidaea, K. pneumoniae glucose concentrations were consistent across the pH and temperature ranges examined. From these results it could be concluded that the bacteria demonstrated ability for lignocellulolytic hydrolysis for the production of glucose and could be further explored for the characterization of commercial cellulolytic enzymes.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Temperature and pH effect on glucose production from pretreated bagasse by a novel species of Citrobacter and other bacteria

Jones

Kerr

Haltli

et al. 2018

Heliyon

View full text Add to dashboard Cite

show abstract

“…These cathode, anode, binder, current collector, separator, electrolyte, and package materials were demonstrated to exhibit superb biodegradability compared with conventional binders (e.g., poly(tetrafluoroethylene) (PTFE), poly(vinylidene fluoride) (PVDF)), separators (e.g., polyethylene (PE), polypropylene (PP)), and electrolytes (e.g., ethylene carbonate (EC), dimethoxyethane (DME)), as discussed in detail later. NFP and NaClO 4 [ 19 ] dissolve into earth‐abundant elemental cations and anions via hydrolysis, whereas other components such as PBAT, [ 20 ] cellulose derivatives (CA [ 21 ] and CMC [ 22 ] ), carboxymethyl polyester, [ 23 ] PC, [ 12 ] and pyroprotein‐based carbon are disintegrated through fungal metabolism (Figure 1b).…”

Section: Materials Degradability (Time) Degradation Pathway Degradatimentioning

confidence: 99%

A Biodegradable Secondary Battery and its Biodegradation Mechanism for Eco‐Friendly Energy‐Storage Systems

Lee

Jung

et al. 2021

Advanced Materials

View full text Add to dashboard Cite

The production of rechargeable batteries is rapidly expanding, and there are going to be new challenges in the near future about how the potential environmental impact caused by the disposal of the large volume of the used batteries can be minimized. Herein, a novel strategy is proposed to address these concerns by applying biodegradable device technology. An eco‐friendly and biodegradable sodium‐ion secondary battery (SIB) is developed through extensive material screening followed by the synthesis of biodegradable electrodes and their seamless assembly with an unconventional biodegradable separator, electrolyte, and package. Each battery component decomposes in nature into non‐toxic compounds or elements via hydrolysis and/or fungal degradation, with all of the biodegradation products naturally abundant and eco‐friendly. Detailed biodegradation mechanisms and toxicity influence of each component on living organisms are determined. In addition, this new SIB delivers performance comparable to that of conventional non‐degradable SIBs. The strategy and findings suggest a novel eco‐friendly biodegradable paradigm for large‐scale rechargeable battery systems.

show abstract

“…In turn, its non-antigenicity or mucoadhesiveness makes AS an ideal material for creating dental impressions, wound dressings, or engineering tissue [ 11 ]. In turn, CMC is widely used in biomedical applications and detergents, textiles, paper, food, and oil exploration [ 12 ]. It is also used as an emulsifying agent to improve a system’s viscosity and prevent material from settling when being stored [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

An Organic–Inorganic Hybrid Nanocomposite as a Potential New Biological Agent

et al. 2020

View full text Add to dashboard Cite

To solve the problem of human diseases caused by a combination of genetic and environmental factors or by microorganisms, intense research to find completely new materials is required. One of the promising systems in this area is the silver-silica nanocomposites and their derivatives. Hence, silver and silver oxide nanoparticles that were homogeneously distributed within a silica carrier were fabricated. Their average size was d = (7.8 ± 0.3) nm. The organic polymers (carboxymethylcellulose (CMC) and sodium alginate (AS)) were added to improve the biological features of the nanocomposite. The first system was prepared as a silver chlorine salt combination that was immersed on a silica carrier with coagulated particles whose size was d = (44.1 ± 2.3) nm, which coexisted with metallic silver. The second system obtained was synergistically interacted metallic and oxidized silver nanoparticles that were distributed on a structurally defective silica network. Their average size was d = (6.6 ± 0.7) nm. Physicochemical and biological experiments showed that the tiny silver nanoparticles in Ag/SiO2 and Ag/SiO2@AS inhibited E. coli, P. aeruginosa, S. aureus, and L. plantarum’s cell growth as well as caused a high anticancer effect. On the other hand, the massive silver nanoparticles of Ag/SiO2@CMC had a weaker antimicrobial effect, although they highly interacted against PANC-1. They also generated reactive oxygen species (ROS) as well as the induction of apoptosis via the p53-independent mechanism.

show abstract

Biodegradation of Carboxymethyl Cellulose using Aspergillus flavus

Cited by 16 publications

References 7 publications

Temperature and pH effect on glucose production from pretreated bagasse by a novel species of Citrobacter and other bacteria

Temperature and pH effect on glucose production from pretreated bagasse by a novel species of Citrobacter and other bacteria

A Biodegradable Secondary Battery and its Biodegradation Mechanism for Eco‐Friendly Energy‐Storage Systems

An Organic–Inorganic Hybrid Nanocomposite as a Potential New Biological Agent

Contact Info

Product

Resources

About