Isosorbide-based cyclomatrix polyphosphazene for high-efficient and selective adsorption of cationic dyes: Experimental and computational studies

Li, Jinjin; Ma, Hui; Shen, Junyao; Liu, Ruyue; Zhu, Zhihua; Zhao, Liang; Xi, Zhenhao

doi:10.1016/j.apsusc.2022.153689

Cited by 16 publications

(5 citation statements)

References 51 publications

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“…Table 3 summarizes the MB adsorption performance of some representative CPs‐based adsorbents. The MB adsorption capacity of PD‐HCCP is superior to the values of polyphosphazene‐based nanosphere, 67 nanotube, 8 and microsphere 66 materials. Despite that PD‐HCCP showed a lower q max than PA‐CP composites previously reported by our group, 22,29 it displayed a considerable advantage in the adsorption rate (with k 2 of 0.0325 g mg −1 min −1 ), which is beneficial for improving its adsorption efficiency.…”

Section: Resultsmentioning

confidence: 86%

“…We proposed that one of the driving forces behind the adsorption is the π-π stacking between benzene/ phosphazene rings in PD-HCCP and MB. Besides this, the synergistic Lewis acid-base interaction and electrostatic attraction between amide, carboxylic acid, and phosphazene segments (in PD-HCCP) and MB 22,66 were also involved here. Based on this, we proposed a possible mechanism for MB adsorption by PD-HCCP in Figure 8.…”

Section: Adsorption Mechanism Analysismentioning

confidence: 99%

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Diphenolic acid/furfurylamine‐based, semi‐biopolyamide/cyclophosphazene covalent composite: Preparation and application in Pb(II) probing and dye adsorption

Sun,

Shi,

Zhang

et al. 2024

Journal of Polymer Science

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Diphenolic acid/furfurylamine‐based bio‐benzoxazine (DPA‐fa‐Boz) was selected here as the starting material to prepare a phenol hydroxyl‐containing polyamide (PA) derivative, PA‐DFB, via sustainable benzoxazine‐isocyanide mechanochemistry (BIC‐MC). Further, a type of PA/phosphazene‐based, organic–inorganic covalent hybrid (PD‐HCCP), which comprises various N/P/O‐containing substructures (NP ring, amide, carboxylic acid, and tertiary amine), was successfully prepared by the condensation between PA‐DFB and hexachlorocyclotriphosphazene (HCCP). The presence of heteroatoms‐containing segments endows PD‐HCCP with specific affinity for some cationic agents. PD‐HCCP's binding capability for Pb(II) can be feasibly utilized for the detection of this heavy metal. The downstream application investigation of PD‐HCCP revealed that it can be used as an enrichment‐type Pb(II) electrochemical probe, characterizing a wide detection range (1–40 μM) and a low detection limit (0.0245 μM). Meanwhile, PD‐HCCP also showed the selective binding for cationic dye, methylene blue (MB), providing a maximum adsorption capacity of ~424.97 mg/g and a high adsorption rate (with 98% removal efficiency at 6 min), with the pseudo‐second‐order rate constant up to 0.0325 g mg−1 min−1.

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Section: Resultsmentioning

confidence: 86%

Section: Adsorption Mechanism Analysismentioning

confidence: 99%

Diphenolic acid/furfurylamine‐based, semi‐biopolyamide/cyclophosphazene covalent composite: Preparation and application in Pb(II) probing and dye adsorption

Sun,

Shi,

Zhang

et al. 2024

Journal of Polymer Science

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“…The as-prepared HGEH NPs containing a large number of electron-rich N and O atoms in the skeleton are expected to possess adsorption capacity toward cationic substances, offering benefits for postfunctionalization. , First, the adsorption process of HGEH NPs toward cationic photosensitizer IR780 was investigated, as shown in Supporting Information Figure S5. The study of the adsorption isotherm shows that the Langmuir model is more suitable for describing the adsorption behavior than the Freundlich model, indicating that the adsorption of IR780 on HGEH is close to the monolayer adsorption and the fitting value of the saturated adsorption capacity is 30.13 mg/g, as shown in Supporting Information Figure S5a,b and Table S1.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Glutathione-Responsive Cyclomatrix Polyphosphazene for Multimodal Theranostic Nanodrug Delivery

Liu

Zhang

et al. 2023

ACS Appl. Polym. Mater.

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In this work, a multimodal (chemotherapeutic/photodynamic/photothermal) theranostic nanodrug delivery platform was developed based on the synergetic action of self-framed polyphosphazene prodrug and heptamethine cyanine dye IR-780. First, an electronegative glutathione (GSH)-responsive polyphosphazene prodrug abbreviated as HGEH was prepared via multicomponent condensation reaction of genistein (GEN), bis-(4-hydroxyphenyl)-disulfide, and hexachlorocyclotriphosphazene. The particle size of drug (GEN)-containing HGEH nanoparticles is adjustable. Subsequently, cationic near-infrared photosensitizer IR-780 was adsorbed onto the electron-rich HGEH to obtain the multimodal theranostic nanodrug delivery platform HGEH-IR780. The platform was demonstrated to retain high stability in avoiding drug leakage and enable controlled drug release in response to the tumor microenvironment, in which a higher GSH concentration exists. The in vitro experiments show that HGEH-IR780 undergoes photothermal and photodynamic processes to concurrently generate heat and reactive oxygen species for efficiently killing mouse breast cancer cells (4T1) upon exposure to a single-bandwidth near-infrared laser (808 nm). Specifically, HGEH-IR780 inhibits 4T1 cells by up to 80% at a concentration of 100 μg/mL. The as-developed HGEH-IR780 exhibits promising results in GSH-responsive anticancer activity and photodynamic/photothermal therapy, which provides a reference for the construction of the polyphenol flavonoid multimodal therapeutic nanoplatform.

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“…25 In addition, functionalized PPZs have demonstrated excellent performance in the removal of doxorubicin hydrochloride, 26 phosphate, 27 methyl orange, 28 and rhodamine B. 29 In addition, functionalized PPZs were prepared by polymerization precipitation with p -phenylenediamine, polyethyleneimine and 4,4′-oxydianiline for uranyl recovery, respectively, showing promising adsorption performance. Their adsorption capacities for uranium ions were 168.9 mg g −1 , 30 273.5 mg g −1 , 31 and 606.1 mg g −1 , 32 respectively.…”

Section: Introductionmentioning

confidence: 99%

Speeding up the selective extraction of uranium through in situ formed nano-pockets

et al. 2023

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Isosorbide-based cyclomatrix polyphosphazene for high-efficient and selective adsorption of cationic dyes: Experimental and computational studies

Cited by 16 publications

References 51 publications

Diphenolic acid/furfurylamine‐based, semi‐biopolyamide/cyclophosphazene covalent composite: Preparation and application in Pb(II) probing and dye adsorption

Diphenolic acid/furfurylamine‐based, semi‐biopolyamide/cyclophosphazene covalent composite: Preparation and application in Pb(II) probing and dye adsorption

Synthesis of Glutathione-Responsive Cyclomatrix Polyphosphazene for Multimodal Theranostic Nanodrug Delivery

Speeding up the selective extraction of uranium through in situ formed nano-pockets

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