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Simultaneous quantitation of naturally occurring insecticides, acaricides, and piscicides in rapeseed oil by UV-MALDI mass spectrometry
Quantitative UV-MALDI-Orbitrap mass spectrometric study of naturally occurring insecticides, acaricides and, piscicides rotenone ( 1 ), rotenolone ( 2 ),...
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The use of trimethylsilyl cyanide derivatization for robust and broad-spectrum high-throughput gas chromatography–mass spectrometry based metabolomics
Reproducible and quantitative gas chromatography–mass spectrometry (GC-MS)-based metabolomics analysis of complex biological mixtures requires robust...
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Aerobic photooxidative cleavage of epoxides to carboxylic acids using magnesium bromide
We developed an aerobic photooxidative cleavage of epoxides to carboxylic acids using a catalytic quantity of magnesium bromide and molecular oxygen...
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Helical chirality induction of expanded porphyrin analogues
Expanded porphyrin analogues with unique figure-eight conformation were prepared by way of useful pyrrole intermediates such as bis (azafulvene)s and...
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GC-MS-based urine metabolic profiling of autism spectrum disorders
Autism spectrum disorders (ASD) are a group of neurodevelopmental disorders resulting from multiple factors. Diagnosis is based on behavioural and...
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Thermal analysis of new dimethyl/dibutyl tin(IV) compounds with amino acids
Six diorganotin(IV) compounds with amino acids of general formula [(CH 3 ) 2 SnAACl] 2 and [(CH 3 CH 2 CH 2 CH 2 ) 2 SnAACl] 2 (where AA = l -methioninate, l -cysteinat...
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Biotransformation of iminodiacetonitrile to iminodiacetic acid by Alcaligenes faecalis cells immobilized in ACA-membrane liquid-core capsules
Biotransformation of iminodiacetonitrile (IDAN) to iminodiacetic acid (IDA) was investigated with a newly isolated Alcaligenes faecalis ZJUTBX11...
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Theoretical study on chiral recognition mechanism of methyl mandelate enantiomers on permethylated β-cyclodextrin
Host-guest interactions of permethylated β-cyclodextrin (PM-β-CD) with methyl mandelate enantiomers (( R/S )-MMA) were simulated using semiempirical...
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Experimental and Theoretical Studies on the Enantioseparation and Chiral Recognition of Mandelate and Cyclohexylmandelate on Permethylated β-Cyclodextrin Chiral Stationary Phase
Enantioseparations of methyl mandelate (MMA) and methyl α -cyclohexylmandelate (MCHMA) on permethylated β -cyclodextrin (PM- β -CD) chiral stationary...
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Analysis of Hydrocarbon-Contaminated Groundwater Metagenomes as Revealed by High-Throughput Sequencing
The tendency for chlorinated aliphatics and aromatic hydrocarbons to accumulate in environments such as groundwater and sediments poses a serious...
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Chiral Supramolecular Selectors for Enantiomer Differentiation in Liquid Chromatography
Biochemical processes in living organisms rely on a plethora of molecular reactions and interactions involving chiral molecules, and these processes...
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Assessment of immobilized PGA orientation via the LC-MS analysis of tryptic digests of the wild type and its 3K-PGA mutant assists in the rational design of a high-performance biocatalyst
The mutant penicillin G acylase (PGA) 3K-PGA contains three additional Lys residues on the surface opposite the active site. This protein was...
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Development of a Variable-wavelength Optical Rotation Detector in the Ultraviolet Region
A new type of optical rotation (OR) detector based on the phase retardation of the first-order diffraction beam has been constructed. The proposed...
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Comparative genomics and transcriptional profiles of Saccharopolyspora erythraea NRRL 2338 and a classically improved erythromycin over-producing strain
BackgroundThe molecular mechanisms altered by the traditional mutation and screening approach during the improvement of antibiotic-producing...
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Organic mandelates as promising materials with non-linear optical application
The application of organic salts of mandelic acid (MA) as new materials for optical and non-linear-optical (NLO) application is discussed, using four...
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Pyrosequence Analysis of Unamplified and Whole Genome Amplified DNA from Hydrocarbon-Contaminated Groundwater
Pyrosequence data was used to analyze the composition and metabolic potential of a metagenome from a hydrocarbon-contaminated site. Unamplified and...
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Covalent Labeling of Biomolecules in Living Cells
Putting fluorescent and other labels on proteins and small molecules in living cells is an important tool for studying cell biology and develo**...
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Asymmetric Epoxidation Catalyzed by Chiral Ketones
Chiral ketones have been developed as efficient catalysts for asymmetric alkene epoxidation in the past decades. The development of different classes...
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Introduction and Background Information
>Any exponents of classical organic chemistry might probably hesitate to consider a biochemical solution for one of their synthetic problems. This...
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Physiological relation between respiration activity and heterologous expression of selected benzoylformate decarboxylase variants in Escherichia coli
BackgroundThe benzoylformate decarboxylase (BFD) from Pseudomonas putida is a biotechnologically interesting biocatalyst. It catalyses the formation...
