Author: Jessica.F

On July 29, 2020, Darwish, Ghinwa H.; Asselin, Jeremie; Tran, Michael V.; Gupta, Rupsa; Kim, Hyungki; Boudreau, Denis; Algar, W. Russ published an article.Synthetic Route of 5036-48-6 The title of the article was Fully Self-Assembled Silica Nanoparticle-Semiconductor Quantum Dot Supra-Nanoparticles and Immunoconjugates for Enhanced Cellular Imaging by Microscopy and Smartphone Camera. And the article contained the following:

There is a growing need for brighter luminescent materials to improve the detection and imaging of biomarkers. Relevant contexts include low-abundance biomarkers and technol.-limited applications, where an example of the latter is the emerging use of smartphones and other nonoptimal but low-cost and portable devices for point-of-care diagnostics. One approach to achieving brighter luminescent materials is incorporating multiple copies of a luminescent material into a larger supra-nanoparticle (supra-NP) assembly. Here, the authors present a facile method for the preparation and immunoconjugation of supra-NP assemblies (SiO2@QDs) that comprised many quantum dots (QDs) around a central silica nanoparticle (SiO2 NP). The assembly was entirely driven by spontaneous affinity interactions between the constituent materials, which included imidazoline-functionalized silica nanoparticles, ligand-coated QDs, imidazole-functionalized dextran, and tetrameric antibody complexes (TACs). The phys. and optical properties of the SiO2@QDs were characterized at both the ensemble and single-particle levels. Notably, the optical properties of the QDs were preserved upon assembly into supra-NPs, and single SiO2@QDs were approx. an order of magnitude brighter than single QDs and nonblinking. In proof-of-concept applications, including selective immunolabeling of breast cancer cells, the SiO2@QDs provided higher sensitivity and superior signal-to-background ratios whether using research-grade fluorescence microscopy or smartphone-based imaging. Overall, the SiO2@QDs are promising materials for enhanced bioanal. and imaging. The experimental process involved the reaction of N-(3-Aminopropyl)-imidazole(cas: 5036-48-6).Synthetic Route of 5036-48-6

The Article related to silica nanoparticle semiconductor quantum dot immunoconjugate cell imaging smartphone, cellular imaging, immunolabeling, quantum dots, self-assembly, silica nanoparticles, smartphone device, tetrameric antibody complex and other aspects.Synthetic Route of 5036-48-6

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On February 15, 2020, Wang, Yixuan; Zhou, Rui; Quan, Yanni; Chen, Shumin; Shi, Xingpeng; Li, Yanping; Cen, Shan published an article.Safety of N-(3-Aminopropyl)-imidazole The title of the article was Design, synthesis, and evaluation of novel 4-amino-2-(4-benzylpiperazin-1-yl)methylbenzonitrile compounds as Zika inhibitors. And the article contained the following:

The prevalence of Zika virus (ZIKV) has become widespread in recent years. ZIKV infection is associated with severe congenital CNS malformations in both newborns and adults. However, neither vaccines nor therapeutics are available to control ZIKV infection until now. The authors started by hit screening the authors’ inhouse small mol. library, then designed, synthesized, and evaluated a new class of 1,4-bibenzyl-substituted piperazine derivatives for their cytopathic effect (CPE) protection effect in a ZIKV-infected Vero E6 cellular assay. A preliminary structure-activity relation study identified five novel 4-amino-2-(4-benzylpiperazin-1-yl)methylbenzonitrile analogs with obvious CPE reduction effects against ZIKV at micromolar concentrations Moreover, 2-((4-(2-chlorobenzyl)piperazin-1-yl)methyl)-4-((2(dimethylamino)ethyl)(methyl)amino)benzonitrile exerted a significant antiviral effect on both Zika RNA replication and virus protein expression in a dose-dependent manner at low micromolar concentrations This study demonstrated the potential of a novel 4-amino-2-(4-benzylpiperazin-1-yl)methylbenzonitrile scaffold for the development of anti-ZIKV candidates. The experimental process involved the reaction of N-(3-Aminopropyl)-imidazole(cas: 5036-48-6).Safety of N-(3-Aminopropyl)-imidazole

The Article related to aminobenzylpiperazinylmethylbenzonitrile preparation zika inhibitor, 4-amino-2-(4-benzylpiperazin-1-yl)methylbenzonitrile, antiviral, cytopathic effect, structure-activity relationship, synthesis, zika virus inhibitors and other aspects.Safety of N-(3-Aminopropyl)-imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On March 13, 1979, Clark, Robert L.; Pessolano, Arsenio A.; Shen, Tsung-Ying published a patent.Quality Control of 3-Phenyl-1H-imidazo[4,5-b]pyridin-2(3H)-one The title of the patent was Imidazopyridin-2-ones and pharmaceutical compositions and methods of treatment. And the patent contained the following:

Imidazopyridines I [R = H, C2-6 alkenyl, C1-7 alkyl (substituted with C3-6 cycloalkyl, C1-5 alkoxy, or OH), C4-7 cycloalkyl; R1, R2, R4 = H, 5- or 6-F, 5- or 6-Cl, 5- or 6-C1-5 alkoxycarbonylamino; R1R2 = OCR5R6O (R5, R6 = H, alkyl)] were prepared by several methods. Also prepared were 3-heterocyclyl analogs of I and 2-thiono analogs of I. I and their analogs were analgesics, antipyretics, and antiinflammatory agents (no data). Thus, refluxing 2-chloro-3-nitropyridine with 3,4-(OCH2O)C6H3NH2 in NaOAc-AcOH 5 h gave nitropyridine II (R7 = NO2) which was hydrogenated over Pd/C in MeOH and the diamine II (R7 = NH2) cyclized with COCl2 overnight at room temperature to give I (R = R4 = H, R1R2 = 3,4-OCH2O), which was converted into a variety of I (R = alkyl, alkenyl, acyl, R1R2 = OCH2O, R4 = H). The experimental process involved the reaction of 3-Phenyl-1H-imidazo[4,5-b]pyridin-2(3H)-one(cas: 41010-50-8).Quality Control of 3-Phenyl-1H-imidazo[4,5-b]pyridin-2(3H)-one

The Article related to analgesic imidazopyridinone preparation, antipyretic imidazopyridinone preparation, antiinflammatory imidazopyridinone preparation, imidazopyridinone pharmaceutical preparation, aminoanilinopyridine cyclization phosgene and other aspects.Quality Control of 3-Phenyl-1H-imidazo[4,5-b]pyridin-2(3H)-one

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On March 31, 2009, Jiang, Biao; Zhao, Xiao-Long; Dong, Jia-Jia; Wang, Wan-Jun published an article.Formula: C17H19N3O2S The title of the article was Catalytic asymmetric oxidation of heteroaromatic sulfides with tert-butyl hydroperoxide catalyzed by a titanium complex with a new chiral 1,2-diphenylethane-1,2-diol ligand. And the article contained the following:

Heteroaromatic sulfoxides, especially 1H-benzimidazolyl pyridinylmethyl sulfoxides, usually used as the blockbuster gastric proton pump inhibitors (PPIs), have been prepared highly enantioselectivity by catalytic asym. oxidation of sulfides attached to nitrogen-containing heterocycles with tert-Bu hydroperoxide in the presence of a chiral titanium complex, formed in situ from Ti(iPrO)4, chiral 1,2-diphenylethane-1,2-diol and water. The chiral sulfoxides were obtained in high yield (97%) with excellent enantiomeric excess (up to 98%). The experimental process involved the reaction of 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole(cas: 73590-85-9).Formula: C17H19N3O2S

The Article related to benzimidazolyl pyridinylmethyl benzyl sulfide tertbutyl hydroperoxide titanium, chiral diphenylethane diol asym oxidation sulfoxide stereoselective preparation, asym oxidation catalyst titanium chiral diphenylethane diol and other aspects.Formula: C17H19N3O2S

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On August 18, 2008, Sun, Jiangtao; Yang, Minghua; Dai, Zhenya; Zhu, Chengjian; Hu, Hongwen published an article.Electric Literature of 73590-85-9 The title of the article was Synthesis of optically active 2,5-dialkylcyclohexane-1,4-diols and their application in the asymmetric oxidation of sulfides. And the article contained the following:

A simple and efficient approach to obtain optically pure 1,4-diols was established. The asym. oxidation of sulfides to sulfoxides with cumyl hydroperoxide in moderate yields and moderate to high enantioselectivities (≤84%) catalyzed by chiral Ti/1,4-diols complexes was achieved. An ee of 76% was obtained in the asym. synthesis of esomeprazole. The experimental process involved the reaction of 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole(cas: 73590-85-9).Electric Literature of 73590-85-9

The Article related to alkylcyclohexanediol resolution chiral ligand titanium catalyzed asym oxidation, sulfide asym oxidation titanium catalyst, thioether asym oxidation titanium catalyst, sulfoxide asym synthesis, esomeprazole asym synthesis and other aspects.Electric Literature of 73590-85-9

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On January 31, 2022, Li, Zhenwei; Xu, Qingqing; Ning, Huangfu; Chen, Xiaomin; Zhu, Jianhua published an article.Application of 443-72-1 The title of the article was Mettl3 promotes oxLDL-mediated inflammation through activating STAT1 signaling. And the article contained the following:

Atherosclerosis (AS) is the main cause of cerebrovascular diseases, and macrophages act important roles during the AS pathol. process through regulating inflammation. Modification of the novel N(6)-methyladenine (m6A) RNA is reported to be associated with AS, but its role in AS is largely unknown. The aim of this study was to investigate the role and mechanism of m6A modification in inflammation triggered by oxidized low-d. lipoprotein (oxLDL) in macrophages during AS. RAW264.7 macrophage cells were stimulated with 40μg/mL ox-LDL, Dot blot, Immunoprecipitation, western blot, Rip and chip experiments were used in our study. We found oxLDL stimulation significantly promoted m6A modification level of mRNA in macrophages and knockdown of Methyltransferase-Like Protein 3 (Mettl3) inhibited oxLDL-induced m6A modification and inflammatory response. Mettl3 promoted oxLDL-induced inflammatory response in macrophages through regulating m6A modification of Signal transducer and activator of transcription 1 (STAT1) mRNA, thereby affecting STAT1 expression and activation. Moreover, oxLDL stimulation enhanced the interaction between Mettl3 and STAT1 protein, promoting STAT1 transcriptional regulation of inflammatory factor expression in macrophages eventually. These results indicate that Mettl3 promotes oxLDL-triggered inflammation through interacting with STAT1 protein and mRNA in RAW264.7 macrophages, suggesting that Mettl3 may be as a potential target for the clin. treatment of AS. The experimental process involved the reaction of N-Methyl-7H-purin-6-amine(cas: 443-72-1).Application of 443-72-1

The Article related to mettl3 oxidized low density lipoprotein stat1 signaling inflammation atherosclerosis, n6-methyladenosine, atherosclerosis, inflammation, methyltransferase-like protein 3, signal transducer and activator of transcription 1 and other aspects.Application of 443-72-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On August 31, 2022, Le, Nguyen Quoc Khanh; Ho, Quang-Thai published an article.Recommanded Product: 443-72-1 The title of the article was Deep transformers and convolutional neural network in identifying DNA N6-methyladenine sites in cross-species genomes. And the article contained the following:

As one of the most common post-transcriptional epigenetic modifications, N6-methyladenine (6 mA), plays an essential role in various cellular processes and disease pathogenesis. Therefore, accurately identifying 6 mA modifications is necessary for a deep understanding of cellular processes and other possible functional mechanisms. Although a few computational methods have been proposed, their resp. models were developed with small training datasets. Hence, their practical application is quite limited in genome-wide detection. To overcome the existing limitations, we present a novel model based on transformer architecture and deep learning to identify DNA 6 mA sites from the cross-species genome. The model is constructed on a benchmark dataset and explored a feature derived from pre-trained transformer word embedding approaches. Subsequently, a convolutional neural network was employed to learn the generated features and generate the prediction outcomes. As a result, our predictor achieved excellent performance during independent test with the accuracy and Matthews correlation coefficient (MCC) of 79.3% and 0.58, resp. Overall, its performance achieved better accuracy than the baseline models and significantly outperformed the existing predictors, demonstrating the effectiveness of our proposed hybrid framework. Furthermore, our model is expected to assist biologists in accurately identifying 6mAs and formulate the novel testable biol. hypothesis. We also release source codes and datasets freely at https://github.com/khanhlee/bert-dna for front-end users. The experimental process involved the reaction of N-Methyl-7H-purin-6-amine(cas: 443-72-1).Recommanded Product: 443-72-1

The Article related to methyladenine pathogenesis deep learning convolutional neural network, contextualized word embedding, dna sequence analysis, deep learning, n6-methyladenine site, natural language processing, post-translational modification and other aspects.Recommanded Product: 443-72-1

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On September 30, 2017, Jahan, Humera; Choudhary, Muhammad I.; Shah, Zarbad; Khan, Khalid M.; Atta-ur-Rahman published an article.Recommanded Product: 2-Nitro-1H-benzo[d]imidazole The title of the article was Derivatives of 6-Nitrobenzimidazole Inhibit Fructose-Mediated Protein Glycation and Intracellular Reactive Oxygen Species Production. And the article contained the following:

Background: Benzimidazoles are important pharmacophores in drug discovery, and currently its derivatives such as flubendazole, omeprazole, and astemizole are used for the treatment of anthelmintic, ulcerative, and histaminic diseases, resp.

Objectives: The aim of the current study was to investigate the antiglycation activity of nitrobenzimidazole derivatives against fructose-mediated human serum albumin (HSA) glycation. The study was also aimed at investigating the effects of newly identified antiglycation inhibitors on AGEsinduced intracellular reactive oxygen species (ROS) production, and associated impaired proliferation of the hepatocytes.

Methods: The present study focuses on the antiglycation activity of 6-nitrobenzimidazole derivatives 1-13 in in-vitro human serum albumin (HSA)- fructose model. These derivatives were also identified as non-toxic against 3T3 mouse fibroblast cell-line in MTT-based assay. The effect of the most promising derivative 5, 4-(6-nitro-1H-benzimidazol-2-yl)-1,2,3-benzenetriol, was studied in a dose dependent manner, co-incubated with fructose-derived AGEs (0- 200 g/mL) on rat hepatocytes proliferation and associated intracellular generation of ROS via MTT-based assay and DCFHDA technique, resp.

Results: We found that derivative 5 ameliorates the elevated intracellular oxidative stress and associated diminished proliferation of the hepatocytes in response to AGEs.

Conclusion: In conclusion, we identified novel 6-nitrobenzimidazole derivatives as antiglycation agents through in-vitro, and cell-based models. The experimental process involved the reaction of 2-Nitro-1H-benzo[d]imidazole(cas: 5709-67-1).Recommanded Product: 2-Nitro-1H-benzo[d]imidazole

The Article related to fibroblast cell proliferation ros protein glycation 6 nitrobenzimidazole derivative, 6-nitrobenzimidazole derivatives, advanced glycation end products, fructose-derived ages, intracellular oxidative stress, protein glycation and other aspects.Recommanded Product: 2-Nitro-1H-benzo[d]imidazole

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

On January 25, 2021, Ma, Mingxuan; Chen, Cheng; Zhu, Xinqi; Li, Xiaoqi; Du, Yingxiang; Zhang, Liu; Gan, Jie published an article.Product Details of 5036-48-6 The title of the article was A porous layer open-tubular capillary column supported with pepsin and zeolitic imidazolate framework for enantioseparation of four basic drugs in capillary electrochromatography. And the article contained the following:

New material zeolitic imidazolate framework-4, 5-imidazoledicarboxylic acid (ZIF-IMD) located on the pore surface of porous layer open-tubular (PLOT) column previously functionalized with N-(3-aminopropyl)-imidazole have been prepared via a layer-by-layer self-assembly strategy. This new ZIF-IMD coating hybrids are used as solid-phase carriers for chiral selector pepsin immobilization. The ZIF-IMD material was characterized by SEM, energy-dispersive spectroscopy, transmission electron microscope and X-ray diffraction. The synthesized pepsin@ZIF-IMD@POLT column achieved the baseline separation of hydroxychloroquine (HCQ), chloroquine (CHQ) and hydroxyzine (HXY) (the resolution of HCQ: 2.19; CHQ: 1.84; HXY: 1.53). Compared with the pepsin@PLOT column (without ZIF-IMD material), the chiral separation capability of the pepsin@ZIF-IMD@POLT column can be remarkably improved. Several key parameters including concentration of chiral selector, buffer pH, applied voltage and buffer concentration were systematically evaluated to provide the optimal enantioseparation condition. The relative standard deviations (RSDs) of intra-day, inter-day, column-to-column and inter-batch of migration time and Rs of the HCQ were evaluated in detail, resp. (RSD < 7.21%). Addnl., the potential mechanism of increased resolution was discussed in the article. The experimental process involved the reaction of N-(3-Aminopropyl)-imidazole(cas: 5036-48-6).Product Details of 5036-48-6

The Article related to zeolitic imidazolate framework chromatog column drug electrochromatog separation, 4,5-imidazoledicarboxylic acid, capillary electrochromatography, chiral separation, organic hybrid coating, plot, zeolitic imidazolate framework and other aspects.Product Details of 5036-48-6

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Matkarimov, Bakhyt T.; Saparbaev, Murat K. published an article in 2020, the title of the article was DNA Repair and Mutagenesis in Vertebrate Mitochondria: Evidence for Asymmetric DNA Strand Inheritance.Electric Literature of 55662-66-3 And the article contains the following content:

A variety of endogenous and exogenous factors induce chem. and structural alterations in cellular DNA in addition to the errors occurring throughout DNA synthesis. These types of DNA damage are cytotoxic, miscoding or both and are believed to be at the origin of cancer and other age-related diseases. A human cell, aside from nuclear DNA, contains thousands of copies of mitochondrial DNA (mtDNA), a double-stranded, circular mol. of 16,569 bp. It has been proposed that mtDNA is a critical target of reactive oxygen species: byproducts of oxidative phosphorylation that are generated in the organelle during aerobic respiration. Indeed, oxidative damage to mtDNA is more extensive and persistent as compared to that to nuclear DNA. Although transversions are the hallmark of mutations induced by reactive oxygen species, paradoxically, the majority of mtDNA mutations that occur during aging and cancer are transitions. Furthermore, these mutations show a striking strand orientation bias: T→C/G→A transitions preferentially occur on the light strand, whereas C→T/A→G on the heavy strand of mtDNA. Here, we propose that the majority of mtDNA progenies, created after multiple rounds of DNA replication, are derived from the heavy strand only, owing to asym. replication of the DNA strand anchored to the inner membrane via the D-loop structure. The experimental process involved the reaction of Imidazo[1,2-c]pyrimidin-5(6H)-one(cas: 55662-66-3).Electric Literature of 55662-66-3

The Article related to review mitochondrial dna mismatch repair damage mutagenesis oxidative phosphorylation, review2 ros nucleotide excision uracil, abasic sites, dna excision repair, dna glycosylases, mitochondrial dna, oxidative dna damage, uracil and other aspects.Electric Literature of 55662-66-3

Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem