Synthesis, Characterization, and Application of Microbe-Triggered Controlled-Release Kasugamycin–Pectin Conjugate

Liu, Yao; Sun, Yanyan; Ding, Guanglong; Geng, Qian; Zhu, Juanli; Guo, Minjie; Duan, Yinfei; Wang, Baitao; Cao, Yongsong

doi:10.1021/jf5055062

Cited by 48 publications

(33 citation statements)

References 30 publications

(40 reference statements)

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“…80 °C and ranged from 40 °C to 200 °C due to loss of bound water. The second event was centered at 225 °C that ranged from 200 °C to 300 °C due to the decomposition of pectin, in agreement with another study [ 15 ]. Materials prepared in water were anticipated to favor the formation of polyelectrolyte complexes (PECs) due to the higher dielectric constant of water that favors acid–base reactions over amide bond formation.…”

Section: Resultssupporting

confidence: 90%

Binary Pectin-Chitosan Composites for the Uptake of Lanthanum and Yttrium Species in Aqueous Media

2021

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Rare-earth elements such as lanthanum and yttrium have wide utility in high-tech applications such as permanent magnets and batteries. The use of biopolymers and their composites as adsorbents for La (III) and Y (III) ions were investigated as a means to increase the uptake capacity. Previous work has revealed that composite materials with covalent frameworks that contain biopolymers such as pectin and chitosan have secondary adsorption sites for enhanced adsorption. Herein, the maximum adsorption capacity of a 5:1 Pectin-Chitosan composite with La (III) and Y (III) was 22 mg/g and 23 mg/g, respectively. Pectin-Chitosan composites of variable composition were characterized by complementary methods: spectroscopy (FTIR, 13C solids NMR), TGA, and zeta potential. This work contributes to the design of covalent Pectin-Chitosan biopolymer frameworks for the controlled removal of La (III) and Y (III) from aqueous media.

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Section: Resultssupporting

confidence: 90%

Binary Pectin-Chitosan Composites for the Uptake of Lanthanum and Yttrium Species in Aqueous Media

2021

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“…In particular, for films containing only PEC, degradation started at about 200 • C for both concentrations of the FFS (0.6% and 1%), having a residue of 30% approximately at 400 • C. In contrast with the first step, the second process represents an exothermic transition, as it can be observed in Figure 6. This behavior agrees with previous works [60,61]. As it can be observed in both Panels of Figure 5, the presence of GLY in the films reduces the thermal stability, starting the degradation of the films (at around 170 • C), no matter the presence, or absence of MSNs.…”

Section: Thermal Propertiessupporting

confidence: 92%

Effect of Mesoporous Silica Nanoparticles on The Physicochemical Properties of Pectin Packaging Material for Strawberry Wrapping

et al. 2019

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Citrus peel pectin was used to prepare films (cast with or without glycerol) containing mesoporous silica nanoparticles. Nanoparticles reduced significantly the particle size, and had no effect on the Zeta potential of pectin solutions. Mechanical characterization demonstrates that pectin+nanoparticles containing films slightly increased tensile strength and significantly decreased the Young’s modulus in comparison to films made only of pectin. However, elongation at the break increased in the pectin+nanoparticles films cast in the presence of glycerol, while both Young’s modulus and tensile strength were reduced. Moreover, nanoparticles were able to reduce the barrier properties of pectin films prepared with or without glycerol, whereas positively affected the thermal stability of pectin films and the seal strength. The 0.6% pectin films reinforced or not with 3% nanoparticles in the presence of 30% glycerol were used to wrap strawberries in order to extend the fruit’s shelf-life, over a period of eighty days, by improving their physicochemical properties.

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“…Pectinases from phytopathogenic fungi have been investigated for triggering the release of antibiotics in order to control plant diseases. Liu et al [75] synthesized kasugamycin conjugated with modified pectin by amide bonds and evaluated its triggered release performance in the presence of Pseudomonas syringae pv. lachrymans .…”

Section: Applications Of Stimuli-responsive Systems In Agriculturementioning

confidence: 99%

Development of stimuli-responsive nano-based pesticides: emerging opportunities for agriculture

et al. 2019

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Pesticides and fertilizers are widely used to enhance agriculture yields, although the fraction of the pesticides applied in the field that reaches the targets is less than 0.1%. Such indiscriminate use of chemical pesticides is disadvantageous due to the cost implications and increasing human health and environmental concerns. In recent years, the utilization of nanotechnology to create novel formulations has shown great potential for diminishing the indiscriminate use of pesticides and providing environmentally safer alternatives. Smart nano-based pesticides are designed to efficiently delivery sufficient amounts of active ingredients in response to biotic and/or abiotic stressors that act as triggers, employing targeted and controlled release mechanisms. This review discusses the current status of stimuli-responsive release systems with potential to be used in agriculture, highlighting the challenges and drawbacks that need to be overcome in order to accelerate the global commercialization of smart nanopesticides.

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Synthesis, Characterization, and Application of Microbe-Triggered Controlled-Release Kasugamycin–Pectin Conjugate

Cited by 48 publications

References 30 publications

Binary Pectin-Chitosan Composites for the Uptake of Lanthanum and Yttrium Species in Aqueous Media

Binary Pectin-Chitosan Composites for the Uptake of Lanthanum and Yttrium Species in Aqueous Media

Effect of Mesoporous Silica Nanoparticles on The Physicochemical Properties of Pectin Packaging Material for Strawberry Wrapping

Development of stimuli-responsive nano-based pesticides: emerging opportunities for agriculture

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