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Article
Oscillating Cellulase Adsorption and Enhanced Lignocellulose Hydrolysis upon Ultrasound Treatment
We investigated the effects of ultrasound treatment on cellulase adsorption and lignocellulose hydrolysis. The activity of cellulase remained constant upon low-power ultrasound treatment (<120 W) and decreased...
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Article
Open AccessHighly Efficient Catalysis of Azo Dyes Using Recyclable Silver Nanoparticles Immobilized on Tannic Acid-Grafted Eggshell Membrane
In this study, a facile one-step synthesis of a novel nanocomposite catalytic film was developed based on silver nanoparticles (AgNPs) immobilized in tannic acid-modified eggshell membrane (Tan-ESM). Tannic ac...
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Article
Multimode Optical Fiber Surface Plasmon Resonance Signal Processing Based on the Fourier Series Fitting
Multimode optical fiber is widely used because of its large core size, strong light-gathering ability, and remote on-line sensing ability in various environments. Due to the mode coupling and polarization loss...
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Article
Open AccessCalcium-Ion-Triggered Co-assembly of Peptide and Polysaccharide into a Hybrid Hydrogel for Drug Delivery
We report a new approach to constructing a peptide–polysaccharide hybrid hydrogel via the calcium-ion-triggered co-assembly of fluorenylmethyloxycarbonyl-diphenylalanine (Fmoc-FF) peptide and alginate. Calcium...
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Article
Open AccessGreen synthesis of gold nanoparticles using aspartame and their catalytic activity for p-nitrophenol reduction
We demonstrated a facile and environmental-friendly approach to form gold nanoparticles through the reduction of HAuCl4 by aspartame. The single-crystalline structure was illustrated by transmission electron micr...
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Article
Open AccessTemperature-induced reversible self-assembly of diphenylalanine peptide and the structural transition from organogel to crystalline nanowires
Controlling the self-assembly of diphenylalanine peptide (FF) into various nanoarchitectures has received great amounts of attention in recent years. Here, we report the temperature-induced reversible self-ass...
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Article
Open AccessGlucomannan-mediated facile synthesis of gold nanoparticles for catalytic reduction of 4-nitrophenol
A facile one-pot approach for synthesis of gold nanoparticles with narrow size distribution and good stability was presented by reducing chloroauric acid with a polysaccharide, konjac glucomannan (KGM) in alka...
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Article
Recycling cellulases by pH-triggered adsorption-desorption during the enzymatic hydrolysis of lignocellulosic biomass
Recycling of cellulases is an effective way to reduce the cost of enzymatic hydrolysis for the production of cellulosic ethanol. In this study, we examined the adsorption and desorption behaviors of cellulase ...
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Article
Study of the Interaction Between Coenzyme Q10 and Human Serum Albumin: Spectroscopic Approach
UV–vis absorption, fluorescence, circular dichroism (CD) and Fourier transform infrared (FT-IR) spectroscopic methods were employed to reveal the mechanism of the binding between coenzyme Q10 (CoQ10) and human se...
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Article
Synthesis of well-dispersed Ag nanoparticles on eggshell membrane for catalytic reduction of 4-nitrophenol
A novel functional bio-nanocomposite was prepared by deposition of Ag nanoparticles onto the surface of natural eggshell membrane fibers. Practically, the functional groups exposed on the fiber surface can pro...
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Article
Sensitive and Efficient Electrochemical Determination of Kojic Acid in Foodstuffs Based on Graphene-Pt Nanocomposite-Modified Electrode
A differential pulse voltammetric (DPV) method for the determination of kojic acid was developed. Glassy carbon (GC) electrode was modified with composite nanomaterials of graphene (GR) sheets and platinum (Pt...
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Article
Facile method to synthesize graphene-ZnS nanocomposites: preparation and application in bioelectrochemistry of hemoglobin
A novel electrochemical platform based on ZnS-doped graphene (GR-ZnS) nanocomposites was developed to achieve the direct electron transfer between hemoglobin (Hb) and the modified electrode. GR-ZnS nanocomposi...
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Article
Purification, characterization, and production of β-mannanase from Bacillus subtilis TJ-102 and its application in gluco-mannooligosaccharides preparation
A novel β-mannanase-producing strain, Bacillus subtilis TJ-102, was identified and characterized. Response surface method was applied to improving and enhancing the enzyme production. The optimized media componen...
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Article
Enhanced electrochemical detection performance of multiwall carbon nanotubes functionalized by aspartame
Inexpensive, non-toxic, and biocompatible materials that can disperse multiwall carbon nanotubes (MWCNTs) in aqueous solutions through a non-covalent approach while retaining their unique electronic and photon...
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Article
An effective and green method for the extraction and purification of aglycone isoflavones from soybean
In this paper, an effective and green strategy was developed to obtain aglycone isoflavones from soybean through the extraction, hydrolysis, and purification steps. Firstly, a novel ethanol-alkaline extraction...
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Article
Ethanol Production from High-Solid SSCF of Alkaline-Pretreated Corncob Using Recombinant Zymomonas mobilis CP4
In this work, Zymomonas mobilis was genetically improved for pentose utilization to increase the final ethanol concentration. It showed good fermentation ability on both soluble sugar mixture and lignocellulose. ...
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Article
Shape evolution and thermal stability of lysozyme crystals: effect of pH and temperature
The properties of crystalline protein materials are closely linked to crystal shape. However, the effective strategies for the shape control of protein crystals are lacking. The conventional sitting-drop vapor...
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Article
Regeneration of insulin monomers from amyloid fibrils by a NH3/H2O2 two-step method
We have developed a NH3/H2O2 two-step method for the recovery of insulin monomers from amyloid fibrils by modulating the cleavage and regeneration of disulfide bonds. Insulin fibrils were disaggregated into insul...
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Article
Effect of Formic Acid on Conversion of Fructose to 5-Hydroxymethylfurfural in Aqueous/Butanol Media
Acid-catalyzed dehydration of carbohydrates into 5-hydroxymethylfurfural (HMF), a valuable biomass-derived intermediate, has received increasing attention. Efficient methods for HMF production are needed for s...
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Article
Controlled adsorption of cellulase onto pretreated corncob by pH adjustment
The effective recycling of cellulase requires an in-depth understanding of cellulase adsorption and desorption. In the present study, we examined the adsorption behaviors and stabilities of cellulase at differ...
