activity. The complexes photocleaved plasmid DNA under blue light of 457 nm forming ∼75% nicked circular (NC) DNA with hydroxyl radicals and singlet oxygen as the ROS. Complexes 1–3 were photocytotoxic in skin keratinocyte HaCaT cells giving IC50 of 8–14 μM under visible light (400–700 nm, 10 J cm−2), while being non-toxic in the dark (IC50: ∼60 μM). Complex 4 was inactive. Complexes 1–3 generating
铂(II)配合物,即。[Pt(L)(cur)](1),[Pt(L)(py-acac)](2)和[Pt(L)(an-acac)](3),其中HL为4,4'制备了双-二-二甲氧基
偶氮苯,Hcur为
姜黄素,Hpy-acac和Han-acac为pyr基和
蒽基连接的
乙酰丙酮,对其进行了表征,并对其抗癌活性进行了研究。络合物[Pt(L)(acac)](4)用作对照。配合物1在430nm处显示吸收带(ε= 8.8×10 4 M -1 cm -1)。的
蒽基和
芘基络合物显示邻近390纳米带(ε = 3.7×10 4对3和4.4×10 4 M -1 cm -1(对于2)。复杂1显示出发射带在525nm处(Φ,在10%
DMSO-DPBS = 0.017)(pH值,7.2),而2和3分别为蓝色发光(λ
EM = 440和435,Φ = 0.058和0.045)。
谷胱甘肽(GSH)添加的发射强度增加,表明释放了二酮