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3 article(s) from Xu, Wen-Rong

pH-Responsive fluorescent supramolecular nanoparticles based on tetraphenylethylene-labelled chitosan and a six-fold carboxylated tribenzotriquinacene

Nan Yang,
Yi-Yan Zhu,
Wei-Xiu Lin,
Yi-Long Lu and
Wen-Rong Xu

Beilstein J. Org. Chem. 2023, 19, 635–645, doi:10.3762/bjoc.19.45

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Scheme 1: (a) Synthesis route to CS-TPE. (b) Structure of TBTQ-C₆. (c) Construction of TBTQ-C₆/CS-TPE supramo...

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Figure 1: Partial ¹H NMR spectra (400 MHz, CD₃COOD/D₂O, 25 °C) of (a) CS, (b) CS-TPE-2%, (c) CS-TPE-10%, and ...

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Figure 2: (a) Optical images of CS-TPE under daylight (top) and 365 nm UV light (bottom) in the solid state; ...

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Figure 3: TEM images of (a) CS-TPE-2%, (b) CS-TPE-10%, and (c) CS-TPE-20% assemblies at pH 5.3; TEM images of...

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Figure 4: (a, c, e) Optical transmittance and (b, d, f) transmittance as a function of [TBTQ-C₆] at 293 nm of...

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Figure 5: (a, c, e) Optical transmittance and (b, d, f) CS-TPE concentration-dependent optical transmittance ...

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Figure 6: TEM images of (a) TBTQ-C₆/CS-TPE-10% in aqueous solution at pH 5.3, (b) after adjustment of the sol...

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Figure 7: (a) Fluorescence spectra of CS-TPE with different R_f in aqueous solutions at pH 5.3 and 10.4; (b) f...

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Published 08 May 2023

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Synthesis of a new water-soluble hexacarboxylated tribenzotriquinacene derivative and its competitive host–guest interaction for drug delivery

Man-Ping Li,
Nan Yang and
Wen-Rong Xu

Beilstein J. Org. Chem. 2022, 18, 539–548, doi:10.3762/bjoc.18.56

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Scheme 1: (a) Synthesis route to TBTQ-CB6. Conditions: (i) ethyl azidoacetate, CuSO₄, sodium ascorbate, THF/H₂...

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Figure 1: (a) ¹H NMR spectra (400 MHz, D₂O, 25 °C) of (1) MV, (2) TBTQ-CB6 and MV, (3) TBTQ-CB6 with [TBTQ-CB6...

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Figure 2: (a) ¹H NMR spectra (400 MHz, D₂O, 25 °C) of (1) DOX, (2) TBTQ-CB6 and DOX, (3) TBTQ-CB6 with [TBTQ-...

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Figure 3: (a) ¹H NMR spectra (400 MHz, D₂O, 25 °C) and (b) partial magnified ¹H NMR spectra of (1) SM, (2) TB...

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Figure 4: (a) Fluorescence spectra of the mixture of TBTQ-CB6 and SM in different molar ratios at a constant ...

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Figure 5: ¹H NMR spectra (400 MHz, D₂O, 25 °C) of (1) MV (3 mM), (2) TBTQ-CB6 and MV (3 mM each), (3–9) TBTQ-...

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Figure 6: ¹H NMR spectra (400 MHz, D₂O, 25 °C) of (1) DOX (3 mM), (2) TBTQ-CB6 and DOX (3 mM each), (3–9) TBT...

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Published 12 May 2022

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Water-soluble host–guest complexes between fullerenes and a sugar-functionalized tribenzotriquinacene assembling to microspheres

Si-Yuan Liu,
Xin-Rui Wang,
Man-Ping Li,
Wen-Rong Xu and
Dietmar Kuck

Beilstein J. Org. Chem. 2020, 16, 2551–2561, doi:10.3762/bjoc.16.207

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Figure 1: Selected TBTQ derivatives 1–5 that bind fullerenes in host–guest complexes.

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Scheme 1: Synthetic route to TBTQ-(OG)₆.

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Figure 2: Fluorescence spectra of TBTQ-(OG)₆ (5.0 × 10⁻⁶ M) with varying concentrations of (a) C₆₀ and (b) C₇₀...

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Figure 3: Absorption spectra of (a) TBTQ-(OG)₆ [Graphic 2] C₆₀ [TBTQ-(OG)₆: 50 μM; C₆₀: 50 μM] and (b) TBTQ-(OG)₆ C₇₀ [...

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Figure 4: Absorption spectra of (a) TBTQ-(OG)₆ [Graphic 2] C₆₀ [TBTQ-(OG)₆: 50 μM; C₆₀: 50 μM] and (b) TBTQ-(OG)₆ C₇₀ [...

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Figure 5: Raman spectra of TBTQ-G₆, C₆₀ and TBTQ-G₆ [Graphic 2] C₆₀. Sample solutions of TBTQ-(OG)₆ (50 μM) and TBTQ-(OG)...

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Figure 6: Molecular model of the complex TBTQ-(OG)₆ [Graphic 2] C₆₀ in water, as generated by DFT calculations. (a) Side...

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Figure 7: SEM images of (a) C₆₀; (b) TBTQ-(OG)₆; (c) and (d) TBTQ-(OG)₆ [Graphic 2] C₆₀ (C₆₀: 1.4 mM; TBTQ-(OG)₆: 1.4 mM...

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Published 14 Oct 2020

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