In vivo and in vitro efficient textile wastewater remediation by Aspergillus niger biosorbent

Li, Shuhui; Huang, Jianying; Mao, Jiajun; Zhang, Liyuan; He, Chenglin; Chen, Guoqiang; Parkin, Ivan P.; Lai, Yuekun

doi:10.1039/c8na00132d

Cited by 43 publications

(19 citation statements)

References 39 publications

(38 reference statements)

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“…The morphology of M. purpureus in submerged media is a compact, smooth, and spherical pellet consisting of intertwined hyphae [ 52 , 53 , 54 ]. Consistent with studies on other filamentous fungi, we found that dry weight measurement is the most reproducible method of quantifying M. purpureus growth [ 55 , 56 , 57 , 58 , 59 , 60 , 61 ].…”

Section: Resultssupporting

confidence: 89%

Assimilation of Cholesterol by Monascus purpureus

Nguyen

Garrahan

Nance

et al. 2020

JoF

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Monascus purpureus, a filamentous fungus known for its fermentation of red yeast rice, produces the metabolite monacolin K used in statin drugs to inhibit cholesterol biosynthesis. In this study, we show that active cultures of M. purpureus CBS 109.07, independent of secondary metabolites, use the mechanism of cholesterol assimilation to lower cholesterol in vitro. We describe collection, extraction, and gas chromatography-flame ionized detection (GC-FID) methods to quantify the levels of cholesterol remaining after incubation of M. purpureus CBS 109.07 with exogenous cholesterol. Our findings demonstrate that active growing M. purpureus CBS 109.07 can assimilate cholesterol, removing 36.38% of cholesterol after 48 h of incubation at 37 °C. The removal of cholesterol by resting or dead M. purpureus CBS 109.07 was not significant, with cholesterol reduction ranging from 2.75–9.27% throughout a 72 h incubation. Cholesterol was also not shown to be catabolized as a carbon source. Resting cultures transferred from buffer to growth media were able to reactivate, and increases in cholesterol assimilation and growth were observed. In growing and resting phases at 24 and 72 h, the production of the mycotoxin citrinin was quantified via high-performance liquid chromatography-ultraviolet (HPLC-UV) and found to be below the limit of detection. The results indicate that M. purpureus CBS 109.07 can reduce cholesterol content in vitro and may have a potential application in probiotics.

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Section: Resultssupporting

confidence: 89%

Assimilation of Cholesterol by Monascus purpureus

Nguyen

Garrahan

Nance

et al. 2020

JoF

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“…where, C is −17.7 ng/cm 2 and is a constant value for 5 MHz crystals, ∆f is the change of frequency, and n is the overtone number. However, most of the polymeric systems do not generate a rigid layer to result in underestimation of the adsorbed mass using Equation 3. Some other models have been developed to address the change in mass, such as Voigt's and Maxwell's that considered the density, and dynamic and static viscosity of the adsorbed materials, as well as the crystals [44].…”

Section: Quartz Crystal Microbalance With Dissipation Monitoring (Qcm-d)mentioning

confidence: 99%

“…The demand for green materials has led to an increase in the development of materials derived from natural sources [1,2], especially when adsorption and removal of pollutants is the target application. This natural adsorbent can vary from composites derived from whole organisms such as Aspergillus [3], to more selective composites based on biopolymers, such as chitosan [4], or the more abundant cellulose. This latter one is the main component of cell wall structures of plants, algae, and a few other organisms.…”

Section: Introductionmentioning

confidence: 99%

“…β-cyclodextrin has been demonstrated to effectively adsorb cyanotoxins [15,16] and it is also compatible with cellulose for producing composites. β-cyclodextrins are a seven-unit cone-shaped cycle of anhydroglucose units bonded by α- (1)(2)(3)(4) bonds. The formation of this cone shape orients its hydroxyl groups of C2 and C3 into the wider extreme, leaving C6 and its hydroxyl group in the lower part and at the exterior of the cycle, generating a hydrophobic interior than can form inclusion complexes with a wide variety of molecules [17].…”

Section: Introductionmentioning

confidence: 99%

“…Polymers 2019, 11, x FOR PEER REVIEW 2 of 19 a consequence of longer algae blooming seasons and cyanobacteria caused by an increasing temperature of water sources and nutrient runoff from agriculture [8][9][10][11]. Cellulose is a linear polysaccharide consisting of anhydroglucose units covalently linked by βglycosidic bonds β- (1)(2)(3)(4). These linear chains tend to form intra-and intermolecular hydrogen (H)bonds to form bundles of fibrils with a hierarchical structure of varied diameters and lengths; the available ranges of dimensions and aspect ratio provide unique characteristics that can be utilized to design materials with the desired properties for the final use of the generated product.…”

Section: Introductionmentioning

confidence: 99%

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Cellulose-Cyclodextrin Co-Polymer for the Removal of Cyanotoxins on Water Sources

et al. 2019

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With increasing global water temperatures and nutrient runoff in recent decades, the blooming season of algae lasts longer, resulting in toxin concentrations that exceed safe limits for human consumption and for recreational use. From the different toxins, microcystin-LR has been reported as the main cyanotoxin related to liver cancer, and consequently its abundance in water is constantly monitored. In this work, we report a methodology for decorating cellulose nanofibrils with β-cyclodextrin or with poly(β-cyclodextrin) which were tested for the recovery of microcystin from synthetic water. The adsorption was followed by Quartz Crystal Microbalance with Dissipation monitoring (QCM-D), allowing for real-time monitoring of the adsorption behavior. A maximum recovery of 196 mg/g was obtained with the modified by cyclodextrin. Characterization of the modified substrate was confirmed with Fourier Transform Infrared Spectroscopy (FT-IR), X-ray Photoelectron Spectroscopy (XPS), Thermogravimetric Analysis (TGA), and Atomic Force Microscopy (AFM).

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Textiles wastewater treatment technology: A review

Deng

Lamssali

Aryal

et al. 2020

Water Environment Research

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The following is a review of published literature on textile wastewater in 2019. Presented are the sections described for the review: concise introduction on the textiles wastewater, followed by a review of present textile treatment technologies organized by physicochemical, biological, and combined processes. Lastly, a discussion of the future topics is presented. © 2020 Water Environment Federation • Practitioner points • The discharge of textile dye wastewater represents a serious environmental problem and public health concern. • Effluents from textile manufacturing, dyeing, and finishing processes contain highconcentration recalcitrant chemicals that are resistant to biodegradation. • The textile wastewater needs environmental-friendly and cost-effective combined treatment process.

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In vivo and in vitro efficient textile wastewater remediation by Aspergillus niger biosorbent

Cited by 43 publications

References 39 publications

Assimilation of Cholesterol by Monascus purpureus

Assimilation of Cholesterol by Monascus purpureus

Cellulose-Cyclodextrin Co-Polymer for the Removal of Cyanotoxins on Water Sources

Textiles wastewater treatment technology: A review

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