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GNPs–PEG@FITC 的制备及其在荧光成像中的应用
发布时间:2025-07-23     作者:zyl   分享到:
论文参考文献:Tumor angiogenesis targeting and imaging using gold nanoparticle probe with directly conjugated cyclic NGR†做者:Minghao Wu‡ ORCID logoa, Yanyan Zhang‡a, Ying Zhanga, Mingjie Wub, Menglin Wua, Hongyi Wua, Lin Caoa, Liang Lia, Xue Li*a and Xuening Zhang*a论文外部链接://pubs.rsc.org/en/content/articlehtml/2018/ra/c7ra10155d文献综述:Preparation of FITC coupled GNPs–PEG@cNGR and GNPs–PEG.To prepare FITC coupled GNPs–PEG@cNGR and GNPs–PEG, 1 mg of the GNPs–PEG@cNGR probe, previously synthesized, was dispersed into 1 mL crosslinking reaction solution containing 7.56 mg Na2CO3, 1.06 mg NaHCO3, and 7.36 mg NaCl, sonicated for 2 min, and stored at 4 °C for 10 min. Subsequently, 0.3 mg FITC in 300 μL of DMSO was poured into the above solution under gentle and continuous stirring and incubated in the dark for 8 h at 4 °C. Next, 20 μL NH4Cl solution (5 M) was poured into the above solution under gentle and continuous stirring to terminate the above reaction and then incubated in the dark for 2 h at 4 °C. The final GNPs–PEG@cNGR@FITC was retrieved by ultrafiltration with a Millipore centrifugal filter unit (Amicon Ultra-0.5; MWCO 100[thin space (1/6-em)]000), washed three times, and resuspended in 0.5 mL of PBS (pH 7.4).In addition, FITC-conjugated GNPs–PEG (GNPs–PEG@FITC) was also prepared as a control. Briefly, the preparation was similar to the fabrication of GNPs–PEG@cNGR, but 220 μL SH–cNGR (1 mg mL−1) was replaced by 15 μL 2-aminoethanethiol (20 mM).

GNPs–PEG@FITC

準備FITC藕合的GNP——PEG@cNGR与GNP-PEG,1毫克GNP-PEGPEG@cNGR将前一天分解成的电极细化到包含有7.56mg Na2CO3、1.06mg NaHCO3和7.36mg NaCl的1mL交连化学反应悬浊液中,彩超补救2多分钟的英文,在4°C下存放10多分钟的英文。自后,在轻柔重复混合下,将0.3mg FITC不能溶解300μL DMSO中倒进去上面的溶剂中,在4℃下背光孵育8个钟头。现在来,在轻柔重复混合下将20μL NH4Cl溶剂(5M)倒进去上面的溶剂中以中止上面的化学反应,第二步在4°C下到黑暗里孵育2个钟头。决定的GNPPEG@cNGR@操作Millipore离心力过滤清洁器单无(Amicon Ultra-0.5;MWCO 100[薄发展空间(1/6-em)]000)确定超滤膜,收售FITC,干洗六次,原则新透明桌面在0.5 mL PBS(pH 7.4)中。然而,FITC偶联的GNP-PEG(GNP-PEG)PEG@FITC)也做好准备做相较比较。简一般来说之,化学合成的过程 近似于于GNP的产生——PEG@cNGR,但220μL SH-cNGR(1 mg mL-1)被15μL 2-氨基乙硫醇(20 mM)所改变。对应举荐:Biotin-PEG-PFPDiethoxylsilane-PEG-BiotinMonoethoxylsilane-PEG-BiotinBiotin-PEG-TretinoinNTA-PEG-BiotinBiotin-PEG-SSBiotin-PEG-SGBiotin-PEG-HZBiotin-PEG-SVABiotin-PEG-ACBiotin-PEG-CHODBCO-PEG-BiotinBiotin-PEG-FA综上所述篇文章游戏内容渠道各杂志期刊或期刊论文,假如商标侵权请链接你们删出!