Cardiogreen (Foxgreen, indocyanine green) 是一种两亲性碘化三碳菁染料,可与蛋白质结合形成非共价荧光复合物,用于蛋白质测定。
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Cardiogreen (Foxgreen, indocyanine green) is an amphiphilic iodized tricarbocyanine dye (mass = 751.4 Da) that can be reconstituted in aqueous solutions at pH 6.5. It is negatively charged and binds to proteins to form non-covalent fluorescent complexes that can be used in capillary electrophoresis semiconductor laser-induced fluorescence detection for protein determination[1-3].
Cardiogreen can be used to isolate several labeled proteins, including human blood harmless protein, nuclease a, transferrin, and cytochrome C. Used intravenously in patients, within the blood vessels, the compound binds to plasma proteins that confine most of the drug to the blood vessels until it is taken up by the liver and excreted into the bile. Cardiogreen is also widely applied in off-label use for real-time imaging for abdominal surgery, plastic surgery, and in oncologic staging and treatment[4-7].
参考文献:
[1]. Alander JT, Kaartinen I, et,al.A review of indocyanine green fluorescent imaging in surgery. Int J Biomed Imaging. 2012;2012:940585. doi: 10.1155/2012/940585. Epub 2012 Apr 22. PMID: 22577366; PMCID: PMC3346977.
[2]. Alander JT, Kaartinen I, et,al. A review of indocyanine green fluorescent imaging in surgery. Int J Biomed Imaging. 2012;2012:940585. doi: 10.1155/2012/940585. Epub 2012 Apr 22. PMID: 22577366; PMCID: PMC3346977.
[3]. Engel E, Schraml R, et,al.Light-induced decomposition of indocyanine green. Invest Ophthalmol Vis Sci. 2008 May;49(5):1777-83. doi: 10.1167/iovs.07-0911. PMID: 18436812.
[4]. Portnoy E, Nizri E, et,al. Imaging the urinary pathways in mice by liposomal indocyanine green. Nanomedicine. 2015 Jul;11(5):1057-64. doi: 10.1016/j.nano.2015.02.019. Epub 2015 Mar 16. PMID: 25791809.
[5]. Petrut B, Bujoreanu CE, et,al.Indocyanine green use in Urology. J BUON. 2021 Jan-Feb;26(1):266-274. PMID: 33721461.
[6]. Maarek JM, Holschneider DP. Estimation of indocyanine green concentration in blood from fluorescence emission: application to hemodynamic assessment during hemodialysis. J Biomed Opt. 2009 Sep-Oct;14(5):054006. doi: 10.1117/1.3233652. PMID: 19895108.
[7]. Pollack GM, Brouwer KL, et,al. Determination of hepatic blood flow in the rat using sequential infusions of indocyanine green or galactose. Drug Metab Dispos. 1990 Mar-Apr;18(2):197-202. PMID: 1971573.
Cardiogreen (Foxgreen, indocyanine green) 是一种两亲性碘化三碳菁染料(质量= 751.4 Da),可在pH 6.5的水溶液中重构。它带负电荷,与蛋白质结合形成非共价荧光复合物,可用于毛细管电泳半导体激光诱导荧光检测,用于蛋白质测定[1-3]。
Cardiogreen可用于分离几种标记蛋白,包括人血无害蛋白、核酸酶a、转铁蛋白和细胞色素C。患者静脉注射时,在血管内,该化合物与血浆蛋白结合,将大部分药物限制在血管内,直到被肝脏吸收并排泄到胆汁中。Cardiogreen还广泛应用于非适应症下的腹部手术、整形手术、肿瘤分期和治疗的实时成像[4-7]。
Cardiogreen 在细胞中的摄取试验: |
Cardiogreen (Foxgreen, indocyanine green)是一种无毒的生物染料,只有经静脉注射后才能被肝细胞吸收,然后由肝细胞分泌。在无血清培养基中培养时,肝细胞摄取 Cardiogreen,细胞质呈绿色。血清恢复后, Cardiogreen从细胞质中分泌出来。 1. 将Cardiogreen加入终浓度为1mg /mL的无血清肝细胞培养基中,在37℃下培养1小时。 2. 除去无血清培养基,用PBS洗涤细胞三次。 3. 用显微镜对细胞检查和成像。 |
研究Cardiogreen脂质体对小鼠尿路的成像 [1]: |
0 ~ 0.8 μM Cardiogreen分别与1%脂质体和20 μM或200 μM pyrene孵育,评估极性和流动性。用荧光分光光度计测定激发波长335 nm处的荧光光谱。
研究Liposomal Cardiogreen 在泌尿系统积累:
仅供参考,请根据您的实验具体需要进行修改。 |
参考文献: [1].Portnoy E, Nizri E, et,al. Imaging the urinary pathways in mice by liposomal indocyanine green. Nanomedicine. 2015 Jul;11(5):1057-64. doi: 10.1016/j.nano.2015.02.019. Epub 2015 Mar 16. PMID: 25791809. |
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