Category: 66-71-7

Jara, Yoselin; Araujo, Mary Lorena; Madden, Waleska; Lubes, Vito; Hernandez, Lino published the article 《Ternary complex formation of the nickel(II), 2,2′-bipyridine, 1,10′-Phenanthroline and some aminoacids》. Keywords: nickel bipyridine phenanthroline amino acid ternary complex formation speciation.They researched the compound: 1,10-Phenanthroline( cas:66-71-7 ).Electric Literature of C12H8N2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:66-71-7) here.

In this work we report the results of a speciation study on the ternary complexes present in the ternary Ni(II)-1,10 phenanthroline (Phen)-amino acids and Ni(II)-2,2-bipyridine (Bipy)-amino acids, with amino acids = aspartic acid (H2Asp), glutamic acid (H2Glu), histidine (H2His) and cysteine (H2Cys). The anal. involved the use of potentiometric data in 1 M NaCl aqueous solution at 25°C and a least-squares method (LETAGROP). The relative stability of the ternary complexes were compared with the corresponding binary complexes. The concentration distribution of various species formed in aqueous solution were evaluated as a function of pH. The binary complexes in the Ni(II) – Phe and Ni(II) – Bipy systems in 1 M NaCl aqueous solution at 25°C were also studied.

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Recommanded Product: 66-71-7. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Rationalization on high-loading iron and cobalt dual metal single atoms and mechanistic insight into the oxygen reduction reaction. Author is Jiang, Min; Wang, Fei; Yang, Fan; He, Hao; Yang, Jian; Zhang, Wei; Luo, Jiayan; Zhang, Jiao; Fu, Chaopeng.

Rational design of single-atom catalysts (SACs) with high metal loadings is essential to enhance the sluggish kinetics of oxygen reduction reactions in metal-air batteries and proton-exchange membrane fuel cells (PEMFCs). Herein, an effective plasma engineering strategy to construct Fe/Co dual single atoms densely dispersed on porous nitrogen-doped carbon nanofibers (Fe, Co SAs-PNCF) with a high mass loading of 9.8 wt% is proposed without any acid leaching. The electrocatalyst exhibits superior ORR performances in both alk. and acidic media (e.g., Eonset = 1.04 V and E1/2 = 0.93 V). The N3-Fe-Co-N3 moieties are identified to be the main active sites by X-ray absorption spectroscopy (XAS) and d. functional theory calculations The in situ XAS and Raman spectroscopy quantitively reveal the decrease in oxidation states of Fe/Co and the increase in bond lengths of the Fe-N/Co-N in the N3-Fe-Co-N3 during the ORR. Benefitting from the high loading of single atoms and enhanced activity, the Fe, Co SAs-PNCF endows the Al-air batteries and PEMFCs with excellent discharge performances, demonstrating promising practical applications.

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Zhao, Xue; Li, Xue; Zhang, Haibo; Chen, Xiao; Xu, Jian; Yang, Jun; Zhang, Hucai; Hu, Guangzhi published the article 《Atomic-dispersed copper simultaneously achieve high-efficiency removal and high-value-added conversion to ammonia of nitrate in sewage》. Keywords: copper ammonia nitrate sewage electrocatalytic wastewater treatment; Eliminate NO(3)(-); Nitrate sewage purification; Nitrogen oxides elimination; Single-atom Cu; Sustainable NH(3) synthesis.They researched the compound: 1,10-Phenanthroline( cas:66-71-7 ).SDS of cas: 66-71-7. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:66-71-7) here.

Environmentally friendly electrochem. reduction pathways from NO-3 to NH3 or N2 have provided feasible strategy into the green production of ammonia or the treatment of nitrate wastewater. Here, we anchored single-atom Cu with boron carbon nitride on carbon nanotube (BCN@Cu/CNT), and achieved the efficient operation of electrochem. nitrate reduction reaction (NIRR). BCN@Cu/CNT can efficiently catalyze the selective conversion of high-concentration nitrate into high-value-added ammonia, where the ammonia yield rate and Faradaic efficiency are as high as 172,226.5μg h-1 mg-1cat. and 95.32% (at -0.6 V), resp. BCN@Cu/CNT also shows the ability to efficiently remove low-concentration nitrates in sewage. Specifically, here only takes 5 h to nearly 100% (99.32%) eliminate NO-3 (50 mg L-1) in sewage without any residual NO-2. The excellent catalytic activity and physicochem. stability of BCN@Cu/CNT for NIRR suggest the promising industrial application prospects, including the green production of ammonia and the purification of nitrate wastewater.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 1,10-Phenanthroline(SMILESS: C1=CC3=C(C2=NC=CC=C12)N=CC=C3,cas:66-71-7) is researched.Product Details of 53636-17-2. The article 《Exacerbated Protein Oxidation and Tyrosine Nitration through Nitrite-Enhanced Fenton Chemistry》 in relation to this compound, is published in Journal of Agricultural and Food Chemistry. Let’s take a look at the latest research on this compound (cas:66-71-7).

Nitrite is a common additive used during meat curing to prevent microbial contamination and retain an attractive red color in the product. However, the effects of nitrite on Fenton reactions catalyzed by free iron in meat products are not well understood, although such processes can induce protein oxidation and nitration, affecting the nutritional and aesthetic quality of meat products. This contribution reveals the mechanism through which nitrite affects Fenton reactions that generate reactive nitrogen and oxygen species by increasing the availability of Fe3+, facilitating its reduction and stabilizing Fe2+, and accelerating Fe3+/Fe2+ cycling, leading to exacerbated oxidative and nitrosative stress on proteins, with implications not only for meat processing but also in many biol. and environmental processes due to the ubiquitous presence of iron, hydrogen peroxide, and nitrite in nature.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Lu, Ying-Bing; Wu, Jun-Wei; Zhu, Shui-Dong; Wang, Sheng-Qian; Zhang, Shi-Yong; Liu, Cai-Ming; Li, Rong; Li, Juan; Ai, Jia-Hao; Xie, Yong-Rong researched the compound: 1,10-Phenanthroline( cas:66-71-7 ).Quality Control of 1,10-Phenanthroline.They published the article 《3-Pyridylacetic-Based Lanthanide Complexes Exhibiting Magnetic Entropy Changes, Single-Molecule Magnet, and Fluorescence》 about this compound( cas:66-71-7 ) in ACS Omega. Keywords: lanthanide pyridylacetate phenanthroline complex preparation magnetic property; fluorescence thermal stability lanthanide pyridylacetate phenanthroline; crystal structure lanthanide pyridylacetate phenanthroline. We’ll tell you more about this compound (cas:66-71-7).

Four complexes from lanthanides, 3-pyridylacetate, and 1,10-phenanthroline, formulated as [Ln2(3-PAA)2(μ-Cl)2(phen)4](ClO4)2 [Ln = Gd(1), Dy(2), Eu(3), Tb(4), 3-PAA = 3-pyridylacetic acid, phen = 1,10-phenanthroline], were obtained. The four compounds were characterized by IR spectra, thermogravimetric analyses, powder X-ray diffraction, and single-crystal X-ray diffraction. Compounds 1-4 are isomorphous, and they have a dinuclear structure. Magnetic studies reveal that 1 shows the magnetocaloric effect with -ΔSmmax = 19.03 J kg-1 K-1 at 2 K for ΔH = 5 T, and 2 displays a field-induced single-mol. magnet with Ueff = 19.02 K. The photoluminescent spectra of 3 and 4 exhibit strong characteristic emission, which demonstrate that the ligand-to-EuIII/TbIII energy transfer is efficient.

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Computed Properties of C12H8N2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1,10-Phenanthroline, is researched, Molecular C12H8N2, CAS is 66-71-7, about Synthesis, structural topologies and anticancer evaluation of phenanthroline-based 2,6-pyridinedicarboxylato Cu(II) and Ni(II) compounds. Author is Das, Amal; Sharma, Pranay; Gomila, Rosa M.; Frontera, Antonio; Verma, Akalesh K.; Sarma, Bipul; Bhattacharyya, Manjit K..

Two new coordination compounds of Cu(II) and Ni(II), viz. [Cu2(phen)(μ-2,6-PDC)(2,6-PDC)(H2O)2]·4·.5H2O (1) and [Ni(phen)(2,6-PDC)(H2O)]·2H2O (2) (phen = 1,10-phenanthroline; 2,6-PDC = 2,6-pyridinedicarboxylate), were synthesized under ambient conditions and further characterized using single crystal x-ray diffraction, FTIR, electronic spectroscopy, thermal and elemental anal. The compound 1 is a 2,6-PDC bridged dinuclear Cu(II) compound, whereas compound 2 crystallizes as a mononuclear Ni(II) compound Crystal structure anal. and DFT calculations reveal that the noncovalent cooperative π-stacking interactions involved in the supramol. association of the compounds are energetically significant. In vitro antiproliferative activities of the compounds were studied with the Da′s Lymphoma (DL) malignant cancer cell line using MTT cell viability and apoptosis assays. Both the compounds exhibit significant concentration dependent cell cytotoxicity and apoptotic cell death in DL cancer cells, with nominal effects for normal healthy PBMC cells. A decrease in the MMP (mitochondrial membrane potential) and a rapid increase of the ROS (reactive oxygen species) levels in DL cells corroborate the apoptotic cell death induced by the compounds To support the observed wet laboratory cytotoxicity in DL cancer cells, the authors have also carried out in silico mol. docking studies of the compounds with the active sites of antiapoptotic BCL family proteins. Both the Cu(II) and Ni(II) compounds exhibit significant interaction modes with the BCL family cancer target proteins. Pharmacophore features of the structures of the compounds were identified to establish a structure activity relation (SAR).

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Piperazine – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Organometallic Chemistry called Preparation, reactivity and photoluminescence of copper(I) borohydride complexes with bis[(2-diphenylphosphino)phenyl] ether as chelating ligand, Author is Ferraro, Valentina; Castro, Jesus; Trave, Enrico; Bortoluzzi, Marco, which mentions a compound: 66-71-7, SMILESS is C1=CC3=C(C2=NC=CC=C12)N=CC=C3, Molecular C12H8N2, Reference of 1,10-Phenanthroline.

Bis[(2-diphenylphosphino)phenyl] ether (DPEphos) was used as chelating ligand to prepare the corresponding borohydride complex [Cu(κ2-BH4)(DPEphos)], whose structure was ascertained spectroscopically and by means of X-ray diffraction. The spectroscopic assignments related to the coordinated borohydride were confirmed by preparing the isotopologue [Cu(κ2-BD4)(DPEphos)]. Reaction of [Cu(κ2-BH4)(DPEphos)] with triflic acid afforded the dimer [Cu2(μ-BH4)(DPEphos)2][OTf] (OTf = triflate). The borohydride complexes exhibited appreciable blue emission upon excitation with UV light at room temperature [Cu(κ2-BH4)(DPEphos)] revealed to be a suitable precursor for the preparation of luminescent heteroleptic copper(I) complexes having general formula [Cu(NN̂)(DPEphos)]+ (NN̂ = 1,10-phenantroline, 2,9-dimethyl-1,10-phenantroline, 2,2′-bypiridine, 4,4′-dimethyl-2,2’bipyridine).

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 66-71-7, is researched, Molecular C12H8N2, about Egg white protein polymer: an affinity matrix for protease enrichment and isolation, the main research direction is egg white protein polymer affinity matrix protease enrichment isolation.Quality Control of 1,10-Phenanthroline.

Egg white was precipitated with acetone and crosslinked with glutaraldehyde. Protease specificity of the polymer was investigated with different types of proteases and non-protease proteins. Protein polymer effectively bound trypsin, papain and the different proteases from pancreatin. SDS-PAGE results and diffusion agar plate tests supported the protease-binding efficiency of the polymer. In conclusion, egg white protein polymer can specifically bind proteases and it is a convenient and cost-effective material for enrichment, isolation, and removal of proteases.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Molecular Structure called Synthesis, molecular modeling, and docking studies of a new pyridazinone-acid hydrazone ligand, and its nano metal complexes. Spectroscopy, thermal analysis, electrical properties, DNA cleavage, antitumor, and antimicrobial activities, Author is Abdelrahman, Maha S. A.; Omar, Fouz M.; Saleh, Akila A.; El-ghamry, Mosad A., which mentions a compound: 66-71-7, SMILESS is C1=CC3=C(C2=NC=CC=C12)N=CC=C3, Molecular C12H8N2, Related Products of 66-71-7.

New nano Co(II), Ni(II), Cu(II), Zn(II), Fe(III) complexes, and oxovanadium(IV), dioxouranium(VI) complexes of pyridazinone-acid hydrazone ligand, DCNHP (H2L), in addition of new mixed-ligand complexes using 8-HQ/or 1,10-phen as an auxiliary ligand (L’), were synthesized and characterized by different techniques. The ligand, H2L, acted as tridentate towards the metal ions in a mono-, and bis- deprotonated form. The complexes exhibited a variety of geometrical structures including octahedral, square pyramidal, and tetrahedral configurations. The results of TGA confirmed the thermal stability of the metal complexes. The X-ray diffractograms and TEM images confirmed that the particles of the studied compounds were situated in nano-range with spherical and stick-shaped. Mol. modeling studies indicated that the theor. data agree well with the exptl. results. The antimicrobial activity study showed enhancement in activity of the free ligand upon complexation. The results of antitumor screening indicated that all examined compounds displayed inhibition of Hepatocellular carcinoma cell line (HepG-2) viability. The ligand, H2L, and its nano Cu(II) complex 7 displayed strong antitumor activity with IC50 = 3.80 and 3.81μg/mL, resp. The DNA cleavage study revealed that no ability for the screened compounds to cleavage DNA, and they may be able to induce cellular death in cancer cells through the apoptosis pathway. The docking results suggesting strong interactions of both the ligand, H2L, and its Cu(II) complex 7 with the VEGFR-2 enzyme, these interactions are very similar to that of the known hepatocellular carcinoma (HCC) inhibitor, sorafenib (Nexavar) with the target enzyme, and indicating the effective inhibition of the studied compounds towards hepatocellular carcinoma. Moreover, the elec. conductivity study in solid-state revealed that the nano Cu(II) complex 7 displayed higher σac values than that for the free ligand, H2L, and the studied compounds act as semiconductors.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Science of the Total Environment called Efficient degradation of aqueous organic contaminants in manganese(II)/peroxymonosulfate system assisted by pyridine organic ligands, Author is Hu, Youyou; Sun, Siyu; Xu, Mengshan; Guo, Jialin; Li, Zhengkui, which mentions a compound: 66-71-7, SMILESS is C1=CC3=C(C2=NC=CC=C12)N=CC=C3, Molecular C12H8N2, Quality Control of 1,10-Phenanthroline.

Although manganese(II) is known to have no role in peroxymonosulfate (PMS) activation, through a series of sulfamethoxazole (SMX) oxidation experiments, we found that the addition of pyridine organic ligands can improve the catalytic activity and accelerate SMX oxidation For the organic ligands to be effective: the stability constant of the Mn(III) complex should be higher than that of the Mn(II) complex. A pos. correlation was observed between the SMX oxidation rate and Mn(II) concentration, and the maximum PMS utilization efficiency was achieved. Many shreds of evidence verified that neither •SO-4 nor •OH was associated with SMX oxidation The enhanced effect of phenanthroline on the Mn(II)/PMS system was attributed to the highly oxidative intermediate manganese species (Mn(V)), originating from the two-electron transfer reaction of complexed Mn(III) and PMS. Notably, the main oxidizing species did not change (η-(PMSO2) ∼ 100%) regardless of the initial PMSO concentration or pH value. Addnl., the anal. of SMX degradation products revealed that the oxygen transfer oxidation pathway was dominant in the Mn(II)/phenanthroline/PMS system, while the N radical coupling pathway also contributed significantly to SMX oxidation This work offers new insights into the formation of high-valent manganese species and provides a potential strategy for applying low-concentration Mn(II) to wastewater treatment.

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