Problem 28. TUNNELING IN CHEMISTRY
... The superposition principle is applicable to quantum systems only and is not valid when applied to macrosystems. To illustrate this idea, E. Schrödinger proposed the following mental experiment. Consider the Geiger counter which detects the entering electrons. The counter is connected to a device wh ...
... The superposition principle is applicable to quantum systems only and is not valid when applied to macrosystems. To illustrate this idea, E. Schrödinger proposed the following mental experiment. Consider the Geiger counter which detects the entering electrons. The counter is connected to a device wh ...
Direct NMR Detection of Alkali Metal Ions Bound to G-
... with two lateral thymine loops ( either on the same G-quadruplex face, forming a head-to-head dimer, or on the opposite faces, resulting in a head-to-tail dimer). K+ ions were found between G-quartets, each being equidistant from eight O6 guanine atoms. Not large energy differences between the hea ...
... with two lateral thymine loops ( either on the same G-quadruplex face, forming a head-to-head dimer, or on the opposite faces, resulting in a head-to-tail dimer). K+ ions were found between G-quartets, each being equidistant from eight O6 guanine atoms. Not large energy differences between the hea ...
For immediate release GC introduces MI Varnish with Recaldent
... has launched MI Varnish, a topical fluoride varnish containing the patented Recaldent technology. Recaldent, also known as casein phosphopeptide – amorphous calcium phosphate (CPP-ACP), is a milk-derived protein that remineralises tooth surfaces by offering bio-available calcium and phosphate ions. ...
... has launched MI Varnish, a topical fluoride varnish containing the patented Recaldent technology. Recaldent, also known as casein phosphopeptide – amorphous calcium phosphate (CPP-ACP), is a milk-derived protein that remineralises tooth surfaces by offering bio-available calcium and phosphate ions. ...
Two glucose/xylose transporter genes from the yeast Candida
... different concentrations of either xylose or glucose as the sole carbon and energy source. Approx. 40 transformants that were able to grow well on glucose, although they grew weakly on xylose, were selected. None of the transformants exhibited proton symport activity, as determined by the absence of ...
... different concentrations of either xylose or glucose as the sole carbon and energy source. Approx. 40 transformants that were able to grow well on glucose, although they grew weakly on xylose, were selected. None of the transformants exhibited proton symport activity, as determined by the absence of ...
Synonomy of Peptococcus glycinophilus
... to that of strain ATCC 33270 (= VPI 5464), the type strain of Peptostreptococcus micros (Prevot 1933) Smith 1957. Because these two strains were 84% homologous as determined by deoxyribonucleic acid-deoxyribonucleic acid homology experiments, the name Peptococcus glycinophilus is a later subjective ...
... to that of strain ATCC 33270 (= VPI 5464), the type strain of Peptostreptococcus micros (Prevot 1933) Smith 1957. Because these two strains were 84% homologous as determined by deoxyribonucleic acid-deoxyribonucleic acid homology experiments, the name Peptococcus glycinophilus is a later subjective ...
Jon Magnuson, Glenn Fryxell, Linda Lasure, Doug Elliot (PNNL)
... Enzymes are nano-machines of cells, catalyzing thousands of useful chemical reactions. Microscopic reversibility means that outside cells, reactions A --> B and B --> A are feasible. Unlike typical chemical catalysts, enzymatic reactions occur at ambient conditions; i.e. green technology. Enzyme fra ...
... Enzymes are nano-machines of cells, catalyzing thousands of useful chemical reactions. Microscopic reversibility means that outside cells, reactions A --> B and B --> A are feasible. Unlike typical chemical catalysts, enzymatic reactions occur at ambient conditions; i.e. green technology. Enzyme fra ...
Cephalosporin chemical reactivity and its immunological
... cephalosporins has a common structure: the aminothiazoleoxime moiety plus some added carboxylic acid derivative salts (ceftazidime, cefixime) which enable penetration through the cell of Gram negative bacteria. A wider variation of substitutions exists at the R2 position. Some substitutions contain ...
... cephalosporins has a common structure: the aminothiazoleoxime moiety plus some added carboxylic acid derivative salts (ceftazidime, cefixime) which enable penetration through the cell of Gram negative bacteria. A wider variation of substitutions exists at the R2 position. Some substitutions contain ...
Biochemical Thermodynamics - Research Centers | Center for
... Catalysis: the lowering of the energetic barrier between substrates and products in a reaction by the participation of a substance that ultimately is unchanged by the reaction – It is crucial to recognize that catalysts (chemical agents that perform catalysis) do not change the equilibrium position ...
... Catalysis: the lowering of the energetic barrier between substrates and products in a reaction by the participation of a substance that ultimately is unchanged by the reaction – It is crucial to recognize that catalysts (chemical agents that perform catalysis) do not change the equilibrium position ...
Identification of a structural motif that confers specific interaction with
... domain (Gal4-BD) to screen a library made from 3-dayold dark-grown Arabidopsis seedlings (Kim et al., 1997). Fourteen of ~170 000 independent transformants allowed auxotrophic growth and showed b-galactosidase activity in plate assays. The plasmids recovered from 10 of the transformants allowed COP1 ...
... domain (Gal4-BD) to screen a library made from 3-dayold dark-grown Arabidopsis seedlings (Kim et al., 1997). Fourteen of ~170 000 independent transformants allowed auxotrophic growth and showed b-galactosidase activity in plate assays. The plasmids recovered from 10 of the transformants allowed COP1 ...
delivery of proteins using biodegradable polymers
... • Biotechnology offers better product-targeting for specific diseases and patient groups, through the use of innovative technologies, in particular, genetics. Examples include, amongst others, treatment for rare diseases and cancers. • Some products are not naturally created in sufficient quantities ...
... • Biotechnology offers better product-targeting for specific diseases and patient groups, through the use of innovative technologies, in particular, genetics. Examples include, amongst others, treatment for rare diseases and cancers. • Some products are not naturally created in sufficient quantities ...
Combining docking and molecular dynamic simulations in drug design
... general improvement in health from the discovery and manufacture of new and more effective drugs, but has contributed to the advance of science itself, impelling the development of complex and more accurate tools and techniques for the discovery and improvement of new active compounds, and the under ...
... general improvement in health from the discovery and manufacture of new and more effective drugs, but has contributed to the advance of science itself, impelling the development of complex and more accurate tools and techniques for the discovery and improvement of new active compounds, and the under ...
effect of inorganic ions on the oxidation of dichlorvos insecticide with
... This study analyzes the oxidation of dichlorvos with Fenton‘s reagent in solutions containing various ions. Results show that the larger the added amount of ferrous ions, the higher the elimination rate of dichlorvos and the oxidization rate after the addition of ferric ions is far smaller than that ...
... This study analyzes the oxidation of dichlorvos with Fenton‘s reagent in solutions containing various ions. Results show that the larger the added amount of ferrous ions, the higher the elimination rate of dichlorvos and the oxidization rate after the addition of ferric ions is far smaller than that ...
The relevance of carbon dioxide metabolism in
... A19(DppcDcarB), were maintained in M17 broth (Difco Laboratories) at 37 uC. Plasmid-containing S. thermophilus strains were maintained in M17 broth (10 g lactose l21) supplemented with 5 mg erythromycin ml21, at 28 uC, while strains containing the pG+host9-derived vector integrated into the chromoso ...
... A19(DppcDcarB), were maintained in M17 broth (Difco Laboratories) at 37 uC. Plasmid-containing S. thermophilus strains were maintained in M17 broth (10 g lactose l21) supplemented with 5 mg erythromycin ml21, at 28 uC, while strains containing the pG+host9-derived vector integrated into the chromoso ...
Mitochondrial trans-2-Enoyl-CoA Reductase of Wax Ester
... (Mini-Prepcell, Bio-Rad), electrophoresed at 250 V, and proteins were eluted at 100 l/min in buffer G (50 mM Tris, 25 mM borate, pH 8.7, 1 mM EDTA, 1 mM DTT, 1 M FAD). Fractions of 200 l were collected, fractions with TER activity were dialyzed against buffer H (10 mM Tris-HCl, pH 8.0, 150 mM NaC ...
... (Mini-Prepcell, Bio-Rad), electrophoresed at 250 V, and proteins were eluted at 100 l/min in buffer G (50 mM Tris, 25 mM borate, pH 8.7, 1 mM EDTA, 1 mM DTT, 1 M FAD). Fractions of 200 l were collected, fractions with TER activity were dialyzed against buffer H (10 mM Tris-HCl, pH 8.0, 150 mM NaC ...
Isoelectric point prediction from the amino acid sequence of a protein
... by their molecular weights. ...
... by their molecular weights. ...
1. INTRODUCTION Pollution of heavy metals resulted from
... the effect of modification in the main nutrients nitrogen and phosphorus (N and P) of BG11 synthetic medium on biological parameters of Microcystis aeruginosa, and evaluate the effect of zinc, not only on biochemical structure, but also on the activity of catalase and alkaline phosphatase enzymes. L ...
... the effect of modification in the main nutrients nitrogen and phosphorus (N and P) of BG11 synthetic medium on biological parameters of Microcystis aeruginosa, and evaluate the effect of zinc, not only on biochemical structure, but also on the activity of catalase and alkaline phosphatase enzymes. L ...
... encoded in a single, long, open reading frame (ORF). Picornavirus polyproteins undergo a ‘ primary ’ co-translational cleavage in statu nascendi between domains containing the capsid proteins and domains containing the replicative proteins (Fig. 1). Precursors spanning these primary cleavage sites a ...
Amidine: Structure, Reactivity and Complexation Behaviour
... coagulation cascade, factor Xa is a prime target in cardiovascular drug discovery[16,17]. Factor Xa is a trypsin like serine protease that converts prothrombin to catalytically active thrombin, the protein at the center of events in the coagulation process and is therefore key to several of the proc ...
... coagulation cascade, factor Xa is a prime target in cardiovascular drug discovery[16,17]. Factor Xa is a trypsin like serine protease that converts prothrombin to catalytically active thrombin, the protein at the center of events in the coagulation process and is therefore key to several of the proc ...
BIOGENESIS OF MITOCHONDRIAL ATPase Studies on
... binding of F 1 to mitochondrial membrane and thus is one of the components which are essential for cold-stable and oligomycin-sensitive ATPase. The activity of OSCP increases during glucose derepression two to three fold as shown by reconstitution experiments with OSCP-enriched fractions [11]. The e ...
... binding of F 1 to mitochondrial membrane and thus is one of the components which are essential for cold-stable and oligomycin-sensitive ATPase. The activity of OSCP increases during glucose derepression two to three fold as shown by reconstitution experiments with OSCP-enriched fractions [11]. The e ...
Structure-Based Prediction of Asparagine and Aspartate
... Figure 2. Occurrence of Asn and Asp amino acid motifs in the CDRs of a therapeutic mAb collection and a set of naturally occurring antibodies (IMGT). Black triangles show percentages of hotspots within Asn and Asp motifs of the experimental collection of 37 mAbs. Bars represent percentages of depict ...
... Figure 2. Occurrence of Asn and Asp amino acid motifs in the CDRs of a therapeutic mAb collection and a set of naturally occurring antibodies (IMGT). Black triangles show percentages of hotspots within Asn and Asp motifs of the experimental collection of 37 mAbs. Bars represent percentages of depict ...
The Enolase Superfamily: A General Strategy for Enzyme
... reactions yet share the same structural framework. Comparison of structures in the context of sequence information allows the requirements for catalysis to be identified in a way that cannot be obtained by the focused study of a single enzyme alone. In particular, those features that are important f ...
... reactions yet share the same structural framework. Comparison of structures in the context of sequence information allows the requirements for catalysis to be identified in a way that cannot be obtained by the focused study of a single enzyme alone. In particular, those features that are important f ...
Protein Profile Characterization of Donkey Milk
... g/100 g of total fatty acids, when compared with ruminant species milks, in which the contents of the above mentioned Polyunsaturated Fatty Acids are always lower. To increase the total fat content in donkey milk, clinical studies [17, 35] suggested to enrich donkey milk with medium-chain triglyceri ...
... g/100 g of total fatty acids, when compared with ruminant species milks, in which the contents of the above mentioned Polyunsaturated Fatty Acids are always lower. To increase the total fat content in donkey milk, clinical studies [17, 35] suggested to enrich donkey milk with medium-chain triglyceri ...
Fundamentals and - 17th International Symposium on Chiral
... commonly observed when high-concentrated samples are injected in chromatographic columns will be described in relation to the thermodynamics (namely, adsorption isotherms) and the kinetics (mass transfer effects) of the fundamental processes controlling the separation. A survey of adsorption isother ...
... commonly observed when high-concentrated samples are injected in chromatographic columns will be described in relation to the thermodynamics (namely, adsorption isotherms) and the kinetics (mass transfer effects) of the fundamental processes controlling the separation. A survey of adsorption isother ...