Both the chemistry and consequences of the nonenzymatic reaction between reducing sugars and reactive amino groups of amino acids, peptides and proteins (known as the Maillard reaction), have received considerable attention in food and health science fields. This initial reaction results in Amadori and similar products formation, followed by degradation to advanced glycation end products (AGEs)...

We describe complexation reactions of insulin and other proteins with metal ions generated from the substrate surface by laser irradiation in laser desorption spray post-ionization mass spectrometry (LDSPI-MS). This particular type of complexation reaction in LDSPI-MS was investigated for the first time, which indicated that the mechanistic process of LDSPI-MS might be much more complicated tha...

The charge-transfer complexation reaction between iodine and dibenzo- 18-crown- 6 (DB18C6) has been studied spectrophotometrically in chloroform solution at different temperatures. The resulting donor-acceptor complex was formulated as (DB 18C6…I )I . The spectrophotometric results , as well as the conductivity measurements, indicated that the gradual release of tiiodide ion from its contac...

The Ca2+ concentration and hydrolysis degree [-COO-] dependence of the self-complexation of partially hydrolyzed poly(acrylamide) (HPAM) chains in CaCl2 aqueous solution was systematically investigated by a combination of static and dynamic laser light scattering. We have, for the first time, revealed a transition between the intrachain and interchain complexations. For each given HPAM sample, ...

Heterogeneous reactions at a solution/solid interface are utilized in an ambient mass spectrometry experiment to recognize the cis-diol functionality by its selective complexation reaction to form a cyclic boronate.

Magnetic field effects on photo induced electron transfer reaction have been of much interest in a view of designing an effective light energy conversion system. Supramolecular system is known as a convenient tool to construct effective donor-acceptor structures for the reaction. In this review, we briefly describe our studies of supramolecular type complexation of porphyrin-viologen linked com...

We study sequence-dependent complexation between oligonucleotides (single-strand DNA) and various generation ethylene diamine (EDA) cored poly amido amide (PAMAM) dendrimers through atomistic molecular dynamics simulations accompanied by free energy calculations and inherent structure determination. Simulations reveal formation of a stable complex and provide a detailed molecular level understa...

The quadratic autocatalytic reaction forms a key step in number of chemical systems, and traveling waves are observed such systems. In this study, we investigate the effect complexation reactions on system. More precisely, under assumption that is fast relative to reaction, show governing system reduced two-component reaction-diffusion with density-dependent diffusivity. Further, numerical evid...

The kinetically unstable propargylisocyanide was reacted with the tetrakis(acetonitrile) copper(I) hexafluorophosphate and formed complex then involved in a copper-catalyzed alkyne-azide cycloaddition reaction (CuAAC). After decomplexation of adduct, isocyanide engaged Ugi reaction. By such complexation, reactions can be carried out on CC triple bond without constraint instability free compound...