Graphitic Carbon Nanocubes Derived from ZIF-8 for Photothermal Therapy

Abstract

Graphitic carbon nanocubes (GCNCs) were prepared by pyrolysis of ZIF-8 nanocubes. The GCNCs resemble the structure of N-doped graphite and exhibit a high photothermal conversion efficiency of 40.4%. In vitro tests demonstrate that the GCNCs are highly biocompatible and induce an effective photothermal therapy effect under 808 nm irradiation. Our study provides a facile strategy for preparing functional carbon nanomaterials of prescribed size, morphology, and porous structure for bioapplications.

Nitrogen-Doped Porous Carbon-ZnO Nanopolyhedra Derived from ZIF-8: New Materials for Photoelectrochemical Biosensors

“…From Figure S3A, it is clear that the four elements (C, N, O, and Zn) exist in the sample, which is in agreement with the EDS results (Figure D). From Figure B, the C 1s spectrum of the NPC-ZnO nanopolyhedra can be deconvoluted into three peaks at 284.7, 285.3, and 288.1 eV, which are associated with C sp 3 –C sp 3 , C sp 2 –C sp 2 , and CN, respectively . Similarly, the N 1s spectrum of the NPC-ZnO nanopolyhedra can be mainly deconvoluted into two peaks centered at about 398.5 and 400.2 eV, which are assignable to pyridinic N and pyrrolic N, respectively (Figure C) .…”

Synthesis of Cisplatin(IV) Prodrug-Tethered CuFeS2 Nanoparticles in Tumor-Targeted Chemotherapy and Photothermal Therapy

“…The therapeutic efficacy of PTT normally relies on the conversion of light to adequate heat via nanoscale photothermal agents. To date, a variety of nanotherapeutics such as gold nanoparticles (NPs), metal sulfides, − nanocarbons, and organic nanoagents have been widely studied. Unremarkably, the use of nanoparticles (NPs) as PTT agents has attracted particular attention because of the easy availability of their precursors, their simple preparation strategies and easy functionalization, their large absorption range in NIR, their solubility in biocompatible solvents, and their high photothermal conversion efficiencies. − …”

Versatile Photoelectrochemical Biosensing for Hg2+ and Aflatoxin B1 Based on Enhanced Photocurrent of AgInS2 Quantum Dot–DNA Nanowires Sensitizing NPC–ZnO Nanopolyhedra

“…Figure S1B shows the high-resolution XPS of C 1s. The peak at 282.6 eV is attributed to the binding energy of the C sp 3 orbital . The NPC–ZnO nanopolyhedron has a peak at 396.5 eV in the N 1s spectrum (Figure S1C), which is attributed to pyridine nitrogen .…”

“…The peak at 282.6 eV is attributed to the binding energy of the C sp 3 orbital. 26 The NPC−ZnO nanopolyhedron has a peak at 396.5 eV in the N 1s spectrum (Figure S1C), which is attributed to pyridine nitrogen. 27 The presence of lone electron pairs promotes electron transfer, providing additional advantages for PEC biosensors.…”