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6 protocols using drx nmr spectrometer

1

Detailed Characterization of DPPA Nanoparticles

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1H NMR and 13C NMR spectra were performed on a Bruker DRX NMR spectrometer in CDCl3 (δ = 7.26 ppm) at 298 K as the internal standard. UV-vis and fluorescence spectra were measured on a Shimadzu spectrophotometer, from Japan, (UV-3600) and a HITACHI spectrometer (F-4600, Japan), respectively. TEM of the nanoparticles were measured on equipment (JEOL JEM-2100). Dynamic light scattering (DLS) of DPPA NPs was tested on a particle size analyzer (90 Plus, Brookhaven Instruments, United States). Fluorescence imaging of DPPA NPs in nude mice was recorded on an IVIS spectrum.
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2

Multimodal Characterization of Nanoparticles

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All chemicals were purchased from Sigma and used without further purification. The 1H NMR and 13C NMR spectra were recorded on a Bruker DRX NMR spectrometer (500 MHz) in CDCl3 solution at 298 K with a solvent residual as the internal standard (CDCl3, δ = 7.26 ppm). UV-vis spectra were measured on a spectrophotometer (UV-3600 UV-Vis-NIR, Shimadzu, Japan). The fluorescence spectra were recorded on an F4600 spectrometer (HITACHI, Japan). DLS was performed with a 90 Plus particle size analyzer (Brookhaven Instruments, USA). TEM of the nanoparticles was carried out using JEOL JEM-2100 equipment. The bio-images of the tumor, heart, liver, spleen, and kidney were recorded on a PerkinElmer IVIS Lumina K.
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3

Spectroscopic Characterization of Organometallic Complexes

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All electronic absorption spectra were collected in a 1 cm quartz cuvette with a magnetic spin bar inside. Room temperature electronic absorption spectra for determining extinction coefficients were recorded on a Cary 50 spectrometer. Temperature controlled time dependent electronic absorption spectra were recorded either on a Cary 60 spectrometer equipped with Quantum Northwest TC1 temperature controller and stirrer, or on an 8453E Agilent UV-vis spectrometer equipped with an Unisoku Unispeks cryostat. Cyclic voltammetry was performed using a CHI600C electrochemical analyzer under Ar atmosphere with 0.1 M tetrabutylammonium hexafluorophosphate as the supporting electrolyte. A 2.0 mm glassy carbon electrode was used as working electrode; a Pt wire was used as counter electrode; a Ag wire was used as references electrode with ferrocenium/ferrocene(FeCp2+/0) couple as internal standard. All potentials are referenced to FeCp2+/0 couple. Solid-state IR spectra were collected on a Thermo Scientific Nicolet iS5 FT-IR spectrometer equipped with an iD5 ATR accessory. X-band EPR spectra were recorded as frozen solutions using a Bruker EMX spectrometer equipped with an ER041XG microwave bridge, an Oxford Instrument liquid-helium quartz cryostat, and a dual-mode cavity (ER4116DM). Magnetic moments were done by Evans's method at 298 K in CH2Cl2 on a Bruker DRX NMR spectrometer.41
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4

Synthesis and Characterization of Photoresponsive Nanomaterials

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Poly(ethylene glycol)-amine (PEG-NH2), 2-(diisopropylamino)ethyl methacrylate (99 %), azobisisobutyrontrile (AIBN, 98 %), thiazolyl blue tetrazolium bromide (MTT, 97.5 %), 2-[2-[2-chloro-3-[[1,3-dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benzo[e]indol-2-ylidene]-ethylidene]-1-cyclohexen-1-yl]-ethenyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide inner salt (IR820, 80 %), O2-(2,4-dinitrophenyl) 1-[(4-ethoxycarbonyl)piperazin-1-yl]diazen-1-ium-1,2-diolate (JSK, 99 %), ethyl ether (99.9 %), dimethylformamide (DMF, 99.5 %) and tetrahydrofuran (THF) were purchased from Sigma-Aldrich. 1-(chloromethyl)-4-vinylbenzene, 4-cyano-4-(phenylcarbonothioylthio)pentanoic acid N-succinimidyl ester (CPPA) were purchased from Adamas and were used without further purification. The 1HNMR and 13CNMR spectra were measured on Bruker DRX NMR spectrometer at 298 K as the internal standard with solvent residual (400 MHz). UV–vis spectra were recorded on a UV-Vis-NIR spectrophotometer (Agilent, Carry 5000). Fluorescence spectra were measured on an FS500 spectrometer (Edinburgh, UK). Dynamic light scattering (DLS) was measured on a Litesizer 500 size analyzer. Transmission electron microscope (TEM) images were measured on equipment of JEOL JEM-2100.
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5

Characterization of PDPP Nanoparticles

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1H NMR spectra were observed using a Bruker DRX NMR spectrometer in CDCl3 (δ = 7.26 ppm) at 298 K as the internal standard. UV-vis and fluorescence spectra were measured using a Shimadzu spectrophotometer from Japan (UV-3600) and a FS970 spectrometer (Japan), respectively. TEM of the nanoparticles was measured on equipment (JEOL JEM-2100). Dynamic light scattering (DLS) of PDPP NPs was tested using a particle size analyzer (90 Plus, Brookhaven Instruments, United States).
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6

Nanoparticle Characterization Protocol

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General chemicals were purchased from Sigma (Shanghai, Co. Ltd) and used without further purification. 1H NMR and 13C NMR spectra were measured on a Bruker DRX NMR spectrometer at 298 K in a CDCl3 solution with residual solvent as the internal standard. UV-vis spectra were measured on a UV-3600 spectrophotometer (Shimadzu, Japan). Fluorescence spectra were recorded on an F-4600 HITACHI spectrophotometer from Japan. DLS was carried out on a 90 Plus particle size analyzer (Brookhaven Instruments, USA). TEM of the nanoparticles was performed on JEOL JEM-2100 equipment. Fluorescence bioimaging of tumors and the main organs (heart, liver, spleen, lungs and kidneys) was performed on a PerkinElmer IVIS Lumina K.
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