Identification of synthetic by-products in combinatorial libraries using high performance liquid chromatography-electrospray ionization mass spectrometry.

abstract：:Protein methyltransferases (PMTs) orchestrate epigenetic modifications through post-translational methylation of various protein substrates including histones. Since dysregulation of this process is widely implicated in many cancers, it is of pertinent interest to screen inhibitors of PMTs, as they offer novel target-...

journal_title：Combinatorial chemistry & high throughput screening

authors： Ibanez G,Shum D,Blum G,Bhinder B,Radu C,Antczak C,Luo M,Djaballah H

更新日期：2012-06-01 00:00:00

abstract：:Drug metabolism can have profound effects on the pharmacological and toxicological profile of therapeutic agents. In the pharmaceutical industry, many in vitro techniques are in place or under development to screen and optimize compounds for favorable metabolic properties in the drug discovery phase. These in vitro te...

journal_title：Combinatorial chemistry & high throughput screening

authors： Masimirembwa CM,Thompson R,Andersson TB

更新日期：2001-05-01 00:00:00

abstract：:The molecular recognition behaviors of some representative bile salts by three 3,6'-bridged beta-cyclodextrin dimers with oligo(ethylenediamino) linkers in different lengths, i.e. 3,6'-(ethylenediamino-bridged) beta-cyclodextrin dimer (1), 3,6'-(diethylenetriamino-bridged) beta-cyclodextrin dimer (2), and 3,6'-(trieth...

journal_title：Combinatorial chemistry & high throughput screening

authors： Liu Y,Kang S,Chen Y,Cao R,Shi J

更新日期：2007-06-01 00:00:00

abstract：:Calcium (Ca(2+)) fluoroionophores are useful in cell-based functional assays of G-protein coupled receptor (GPCR) activation or ion channel modulation. In this paper we describe new calcium probes that improve or overcome certain deficiencies in existing probes. These new fluoroionophores are based on acylation of ami...

journal_title：Combinatorial chemistry & high throughput screening

authors： Gee KR,Rukavishnikov A,Rothe A

更新日期：2003-06-01 00:00:00

abstract：:The high level of attrition of drugs in clinical development has led pharmaceutical companies to increase the efficiency of their lead identification and development through techniques such as combinatorial chemistry and high-throughput (HTP) screening. Since the major reasons for clinical drug candidate failure other...

journal_title：Combinatorial chemistry & high throughput screening

authors： Shearer TW,Smith KS,Diaz D,Asher C,Ramirez J

更新日期：2005-02-01 00:00:00

abstract：:As HTS technologies come of age, pharmaceutical companies are focusing increasingly on the quality of their screening collections. Storage conditions and their influence on compound stability and solubility are debated intensely. At Novartis, a strategy was developed that is different to most other companies: (1) comp...

journal_title：Combinatorial chemistry & high throughput screening

authors： Schopfer U,Engeloch C,Stanek J,Girod M,Schuffenhauer A,Jacoby E,Acklin P

更新日期：2005-09-01 00:00:00

abstract：:Herein, we describe a simple, four-step process for the preparation of 1,2,3-triazino[1,6- a]quinazolin-13-ones. This method involves ring-opening, quinazoline-forming condensation, reduction, diazotization accompanied by rapid intramolecular cyclization in the last step afforded the desired products with structurally...

journal_title：Combinatorial chemistry & high throughput screening

authors： Sayahi MH,Baghersaei S,Goli F,Moghimi S,Mahdavi M,Firoozpour L,Shafiee A,Foroumadi A

更新日期：2016-01-01 00:00:00

abstract：:Protein Kinase C βII (PKCβII) overexpression has been linked to various diabetic microvascular complications viz. retinopathy, neuropathy, and cardiomyopathy. Novel and potent small molecules with preferential selective inhibitory property of PKCβII will be helpful in treatment as well as understanding insight of PKCβ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Grewal BK,Sobhia ME

更新日期：2014-01-01 00:00:00

abstract：:Accurate classification of instances depends on identification and removal of redundant features. Classification of data having high dimensionality is usually performed in conjunction with an appropriate feature selection method. Feature selection enables identification of the most informative feature subset from the ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Patil D,Raj R,Shingade P,Kulkarni B,Jayaraman VK

更新日期：2009-06-01 00:00:00

abstract：:The aim of this study was to examine the anticancer activities and phytochemical profiles of Dicranum scoparium against HeLa cell lines. The bio-guided fractionation studies of dichloromethane extract have high antiproliferative activities. Fractions 7, 9, 19, 20 are rich source of unsaturated fatty acids, and- in the...

journal_title：Combinatorial chemistry & high throughput screening

authors： Abay G,Altun M,Koldaş S,Tüfekçi AR,Demirtas I

更新日期：2015-01-01 00:00:00

abstract：:Normalization is an essential step in microarray data mining and analysis. For cDNA microarray data, the primary purpose of normalization is removing the intensity-dependent bias across different slides within an experimental group or between multiple groups. The locally weighted regression (lowess) procedure has been...

journal_title：Combinatorial chemistry & high throughput screening

authors： Wang J,Ma JZ,Li MD

更新日期：2004-12-01 00:00:00

abstract：:In the present work, we report characterization studies of antigen(Ag)-antibody (Ab) interaction based on the multi-walled carbon nanotube array-modified gold electrode for label-free electrochemical immunosensor. -COOH functionalization of MWCNT was suggested by FTIR spectroscopy. Images from atomic force microscopy ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Zahmatkeshan M,Ilkhani H,Paknejad M,Adel M,Sarkar S,Saber R

更新日期：2015-01-01 00:00:00

abstract：AIM AND OBJECTIVE:The present method is simple, green and highly efficient for the synthesis of 2-amino-4H-pyran derivatives which are achieved by a one pot three component cyclocondensation of aldehyde, malanonitrile and ethyl acetoacetate or methyl acetoacetate using DABCO under solvent free with grinding conditions ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Waghmare AS,Pandit SS,Suryawanshi DM

更新日期：2018-01-01 00:00:00

abstract：:The appropriate selection of initial receptor structure has been the 'cornerstone' or foundation of successful structure-based virtual screening (SBVS), and plagued the structure-based design with a significantly practical problem to determine the major physiological states or important transition states of receptors ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Zhao Y,Wang H,Zang Y,Zhu X,Zhang S,Zhang L

更新日期：2020-11-10 00:00:00

abstract：BACKGROUND:Camptothecin is a quinoline alkaloid, isolated from the Chinese tree Camptotheca acuminate which exhibits its cytotoxic activity by the inhibition of nuclear enzyme Topoisomerase I (topo I). Camptothecin and its analogues forms a covalent bond with DNA which can arrest the tumor growth by slowing the religat...

journal_title：Combinatorial chemistry & high throughput screening

authors： Dev S,Dhaneshwar SR,Mathew B

更新日期：2016-01-01 00:00:00

abstract：:Chemical inhibitors have had a profound impact on many diverse fields of biology. The goal of chemical genetics is to use small molecules to perturb biological systems in a manner conceptually similar to traditional genetics. Key to the advancement of the chemical genetic paradigm is the further development of tools a...

journal_title：Combinatorial chemistry & high throughput screening

authors： Tochtrop GP,King RW

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVE:Osteopontin (OPN), a phosphorylated sialoprotein, has been shown to overexpress in a variety of cancers and to contribute tumor progression and metastasis by increasing cell migration and adhesion. In the current study, we aimed to investigate the prognostic and predictive role of OPN in patients with advance...

journal_title：Combinatorial chemistry & high throughput screening

authors： Yazici O,Dogan M,Ozal G,Aktas SH,Demirkazik A,Utkan G,Senler FC,Icli F,Akbulut H

更新日期：2020-09-02 00:00:00

abstract：:Whole Cell-matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF-MS) is an emerging sensitive technique for rapid typing of microorganisms, efficient screening of biocombinatorial libraries of natural compounds and the analysis of complex biological samples, as whole cells, subcellula...

journal_title：Combinatorial chemistry & high throughput screening

authors： Vater J,Gao X,Hitzeroth G,Wilde C,Franke P

更新日期：2003-09-01 00:00:00

abstract：:A general procedure for the synthesis of a large variety of compounds comprising an alpha, beta,-unsaturated carbonyl functionality was developed. The use of one-pot cascade synthesis with (triphenylphosphora-nylidene)ethenone as a versatile reagent for various formations including heterocycles of different ring sizes...

journal_title：Combinatorial chemistry & high throughput screening

authors： Westmana J,Orrling K

更新日期：2002-11-01 00:00:00

abstract：:A biomimetic sensor is proposed as a promising new analytical method for determination of captopril in different classes of samples. The sensor was prepared by modifying a carbon paste electrode with iron (II) phthalocyanine bis(pyridine) [FePc(dipy)] complex. Amperometric measurements in a batch analytical mode were ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Wong A,Lanza MR,Sotomayor MD

更新日期：2010-09-01 00:00:00

abstract：:Crucial to the success of directed evolution of enantioselective enzymes for use as catalysts in synthetic organic chemistry is the availability of high-throughput assays for determining the enantiopurity of thousands of samples. Although several such ee-assays are available, they entail time and effort, which means t...

journal_title：Combinatorial chemistry & high throughput screening

authors： Reetz MT,Wang LW

更新日期：2006-05-01 00:00:00

abstract：:Polymer-bound triphenylphosphine can replace triphenylphosphine in the Mitsunobu reaction to generate stereochemically inverted secondary alcohols. This method is comparable with the standard Mitsunobu reaction in terms of inversion of stereochemistry, yield, and reaction time, even for sterically very hindered second...

journal_title：Combinatorial chemistry & high throughput screening

authors： White JM,Tunoori AR,Dutta D,Georg GI

更新日期：2000-04-01 00:00:00

abstract：:Among the chemometric tools used in rational drug design, we find artificial neural network methods (ANNs), a statistical learning algorithm similar to the human brain, to be quite powerful. Some ANN applications use biological and molecular data of the training series that are inserted to ensure the machine learning,...

journal_title：Combinatorial chemistry & high throughput screening

authors： Scotti L,Ishiki H,Mendonça Júnior FJ,da Silva MS,Scotti MT

更新日期：2015-01-01 00:00:00

abstract：AIM AND OBJECTIVE:Caffeic acid (CA) is a cinnamic acid derivative, found in many vegetable products, with powerful antioxidant activity, the ability to increase collagen production and capacity to prevent premature aging of the skin. The classic emulsions of CA are widely used by the consumer to provide a pleasant, ref...

journal_title：Combinatorial chemistry & high throughput screening

authors： Spagnol CM,Di Filippo LD,Isaac VLB,Correa MA,Salgado HRN

更新日期：2017-01-01 00:00:00

abstract：OBJECTIVE:A significant proportion of patients with early non-small cell lung cancer (NSCLC) can be cured by surgery. The distant metastasis of tumors is the most common cause of treatment failure. Precisely predicting the likelihood that a patient develops distant metastatic risk will help identify patients who can fu...

journal_title：Combinatorial chemistry & high throughput screening

authors： Zhong J,Chen JM,Chen SL,Yi YF

更新日期：2019-01-01 00:00:00

abstract：:The section on patent review will be focused in the areas of interest to the readers of CCHTS. The search was conducted using the following key words: combinatorial chemistry, high throughput screening, drug repurposing, chemical library, high content screening, drug discovery and natural products. All patents highlig...

journal_title：Combinatorial chemistry & high throughput screening

authors： Roy A

更新日期：2011-05-01 00:00:00

abstract：:Single nucleotide polymorphisms (SNPs) are the most abundant variations in the human genome and have become the primary markers for genetic studies for mapping and identifying susceptible genes for complex diseases. Methods that genotype SNPs quickly and economically are of high values for these studies because they r...

journal_title：Combinatorial chemistry & high throughput screening

authors： Chen X

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Increasing the resistance issue has become the reason for the development of new antibacterial in crucial condition. Many ways are tracked to determine the most effective antibacterial agent. Some proteins that are a key role in bacteria metabolism are targeted, including MurA in cell wall biosynthesis and g...

journal_title：Combinatorial chemistry & high throughput screening

authors： Apriyanti E,Satari MH,Kurnia D

更新日期：2021-01-01 00:00:00

abstract：:A pulsed ultrafiltration-mass spectrometric screening assay has been developed to generate and identify electrophilic metabolites of xenobiotic compounds formed by hepatic cytochrome P450 enzymes. This assay would be suitable for the early identification of potentially toxic compounds during the initial phase of drug ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Nikolic D,Fan PW,Bolton JL,van Breemen RB

更新日期：1999-06-01 00:00:00

abstract：AIM AND OBJECTIVE:Lysine acetylation, as one type of post-translational modifications (PTM), plays key roles in cellular regulations and can be involved in a variety of human diseases. However, it is often high-cost and time-consuming to use traditional experimental approaches to identify the lysine acetylation sites. ...

journal_title：Combinatorial chemistry & high throughput screening

authors： Gao J,Tao XW,Zhao J,Feng YM,Cai YD,Zhang N

更新日期：2017-01-01 00:00:00