Schiff base and its transition metal complexes
... the range of 200-800 nm. FT-IR spectra recorded using KBr pellets in Shimadzu FT -IR 8201 spectrometer (4000-400 cm-1). The XRD pattern of the complex was recorded on a XPERTPRO diffraction using Cu-Kα-radiation (λ= 1.54 A0).The surface morphology of the complexes were studied using VEGA3 TESCAN Sca ...
... the range of 200-800 nm. FT-IR spectra recorded using KBr pellets in Shimadzu FT -IR 8201 spectrometer (4000-400 cm-1). The XRD pattern of the complex was recorded on a XPERTPRO diffraction using Cu-Kα-radiation (λ= 1.54 A0).The surface morphology of the complexes were studied using VEGA3 TESCAN Sca ...
CHEM MINI-COURSE SERIES M1.2___
... This equation as written is unbalanced. On the left side of the arrow (reactant side), there are 2 atoms of oxygen. On the right side of the arrow (product side), there is only one atom of oxygen. A quick-and-easy attempt to balance the two sides may be to add a subscript to the H2O formula, so it a ...
... This equation as written is unbalanced. On the left side of the arrow (reactant side), there are 2 atoms of oxygen. On the right side of the arrow (product side), there is only one atom of oxygen. A quick-and-easy attempt to balance the two sides may be to add a subscript to the H2O formula, so it a ...
Molybdenum Complexes with Amino Acids as
... A sharp band at 1643.35cm-1 in the ligand due to C=O vibration was also shifted to lower frequency (1620.21-1604.77) in the complexes. Moreover, the appearance of additional weak bands in the region 462-493 and 732.95-740.67 cm-1 which were attributed to ν(M-O) and ν(M-N), respectively, confirmed th ...
... A sharp band at 1643.35cm-1 in the ligand due to C=O vibration was also shifted to lower frequency (1620.21-1604.77) in the complexes. Moreover, the appearance of additional weak bands in the region 462-493 and 732.95-740.67 cm-1 which were attributed to ν(M-O) and ν(M-N), respectively, confirmed th ...
Dr. Baxley`s Equilibrium Worksheet
... 2 NH3 (g) ⇌ N2 (g) + 3 H2 (g) At 450.˚C, Kc = 6.30. An unknown quantity of NH3 is placed in a reaction flask (with no N2 or H2) and is allowed to come to equilibrium at 450. °C. The equilibrium concentration of H2 is then determined to be 0.342 M. Determine the initial concentration of NH3 placed in ...
... 2 NH3 (g) ⇌ N2 (g) + 3 H2 (g) At 450.˚C, Kc = 6.30. An unknown quantity of NH3 is placed in a reaction flask (with no N2 or H2) and is allowed to come to equilibrium at 450. °C. The equilibrium concentration of H2 is then determined to be 0.342 M. Determine the initial concentration of NH3 placed in ...
Hidden Markov Model for protein secondary structure
... In a Markovian sequence, the character appearing at position t only depends on the k preceding characters, k being the order of the Markov chain. Hence, a Markov chain is fully defined by the set of probabilities of each character given the past of the sequence in a k-long window: the transition mat ...
... In a Markovian sequence, the character appearing at position t only depends on the k preceding characters, k being the order of the Markov chain. Hence, a Markov chain is fully defined by the set of probabilities of each character given the past of the sequence in a k-long window: the transition mat ...
MOLECULAR FORMULAS N C H H C N H HHH HH
... (6 points) Ethylenediamine reacts with transition metal ions to form many colorful compounds. ...
... (6 points) Ethylenediamine reacts with transition metal ions to form many colorful compounds. ...
Bioenergetics and Metabolism
... What are the key regulated enzymes in citrate cycle? Isocitrate dehydrogenase - catalyzes the oxidative decarboxylation of isocitrate by transferring two electrons to NAD+ to form NADH, and in the process, releasing CO2, it is activated by ADP and Ca2+ and inhibited by NADH and ATP. α-ketoglutarate ...
... What are the key regulated enzymes in citrate cycle? Isocitrate dehydrogenase - catalyzes the oxidative decarboxylation of isocitrate by transferring two electrons to NAD+ to form NADH, and in the process, releasing CO2, it is activated by ADP and Ca2+ and inhibited by NADH and ATP. α-ketoglutarate ...
งานนำเสนอ PowerPoint
... Metabolic reaction mechanisms 1. group-transfer reactions 2. oxidations and reductions 3. eliminations , isomerization and rearrangements 4. reactions that make or break C-C bonds ...
... Metabolic reaction mechanisms 1. group-transfer reactions 2. oxidations and reductions 3. eliminations , isomerization and rearrangements 4. reactions that make or break C-C bonds ...
Protein-Protein Interactions: Stability, Function and Landscape
... molecular machines such as ribosomes or RNA polymerases are hold together by protein-protein interactions, and the same is true for multi-subunit channels or receptors in membranes. Specificity distinguishes such interactions from random collisions that happen by Brownian motion in the aqeous soluti ...
... molecular machines such as ribosomes or RNA polymerases are hold together by protein-protein interactions, and the same is true for multi-subunit channels or receptors in membranes. Specificity distinguishes such interactions from random collisions that happen by Brownian motion in the aqeous soluti ...
METABOLIC PATHWAYS Section 6 SOME BASIC CONCEPTS OF
... If 52 kcal were released at once, then 7 kcal (ADP ATP) + 45 kcal of heat would be wasted. Instead, this reaction is slowed down so that 3 ATP molecules are formed: 52 - 21 = 3 ATP molecules + 31 kcal heat, efficiency is 40%. If O2 is not available to the cytochrome system, ATP will not be formed by ...
... If 52 kcal were released at once, then 7 kcal (ADP ATP) + 45 kcal of heat would be wasted. Instead, this reaction is slowed down so that 3 ATP molecules are formed: 52 - 21 = 3 ATP molecules + 31 kcal heat, efficiency is 40%. If O2 is not available to the cytochrome system, ATP will not be formed by ...
enzyme kinetics
... You will use Excel to analyze data from an experiment of the type just described to determine the KM and Vmax that characterizes the enzyme used. Open the file “exercise1” in Excel. (Give the file a new name [File -> SAVE AS], save to DISK, and work from this saved file.) This file contains the data ...
... You will use Excel to analyze data from an experiment of the type just described to determine the KM and Vmax that characterizes the enzyme used. Open the file “exercise1” in Excel. (Give the file a new name [File -> SAVE AS], save to DISK, and work from this saved file.) This file contains the data ...
Multiple Pathways To Success Quarter 3 Learning Module
... The students will relate a mole to Avogadro’s number in order to describe methods of measuring the amount of a representative particle. Students will explore the concept of the mole and compare it to other known units of ...
... The students will relate a mole to Avogadro’s number in order to describe methods of measuring the amount of a representative particle. Students will explore the concept of the mole and compare it to other known units of ...
Chapter 4 Reactions in Aqueous Solution 4.1 Aqueous Solutions
... 1. Gravimetric Analysis – based on the measurement of mass (Section 4.6) 2. Titration - solution of known concentration is added to solution of unknown concentration until chemical reaction is complete (endpoint) ...
... 1. Gravimetric Analysis – based on the measurement of mass (Section 4.6) 2. Titration - solution of known concentration is added to solution of unknown concentration until chemical reaction is complete (endpoint) ...
Metabolism: Basic concepts
... B. One reactions forms an ionic gradient across a membrane. This drives another reaction that uses the gradient to render it exergonic. Are these reactions coupled? ...
... B. One reactions forms an ionic gradient across a membrane. This drives another reaction that uses the gradient to render it exergonic. Are these reactions coupled? ...
Download Pdf Article
... Thermal analysis of organic ligands and of metal complexes is used to obtain information about their physical properties and thermal stability, as well as for the nature of the intermediates and final products [20-28]. Table 5 shows the thermogravimetric analysis results of H2L Schiff base thermal d ...
... Thermal analysis of organic ligands and of metal complexes is used to obtain information about their physical properties and thermal stability, as well as for the nature of the intermediates and final products [20-28]. Table 5 shows the thermogravimetric analysis results of H2L Schiff base thermal d ...
ws-8-14-2
... 18. A certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate constant for this process is 4.0 x 10-1L/mol • min, how much time is required for the concentration to reach 0.020 M? ...
... 18. A certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate constant for this process is 4.0 x 10-1L/mol • min, how much time is required for the concentration to reach 0.020 M? ...
ultracentrifugation
... and report on the shape and molar mass of the dissolved macromolecules, as well as their sizedistribution. Sedimentation velocity experiments can also be used to study reversible chemical equilibria between macromolecular species, by monitoring the number and molar mass of macromolecular complexes. ...
... and report on the shape and molar mass of the dissolved macromolecules, as well as their sizedistribution. Sedimentation velocity experiments can also be used to study reversible chemical equilibria between macromolecular species, by monitoring the number and molar mass of macromolecular complexes. ...
determination of molecular weight
... Analytical ultracentrifugation is a classical technique that has played a critical role in laying the foundations for modern molecular biology. Among its achievements is the demonstration that proteins are macromolecules rather than complexes of smaller units, and direct support for the semiconserva ...
... Analytical ultracentrifugation is a classical technique that has played a critical role in laying the foundations for modern molecular biology. Among its achievements is the demonstration that proteins are macromolecules rather than complexes of smaller units, and direct support for the semiconserva ...
chapter 5 - chemical reactions
... Some double-displacement reactions may result in both the formation of precipitates and water. They can be classified as both precipitation and acid-base reactions. For examples: 1. Ba(OH)2(aq) + H2SO4(aq) BaSO4(s) + 2 H2O(l) 2. 3Ca(OH)2(aq) + 2H3PO4(aq) Ca3(PO4)2(s) + 6 H2O(l) Ionic Equations f ...
... Some double-displacement reactions may result in both the formation of precipitates and water. They can be classified as both precipitation and acid-base reactions. For examples: 1. Ba(OH)2(aq) + H2SO4(aq) BaSO4(s) + 2 H2O(l) 2. 3Ca(OH)2(aq) + 2H3PO4(aq) Ca3(PO4)2(s) + 6 H2O(l) Ionic Equations f ...
MOLECULAR SIMULATION OF PHASE EQUILIBRIA FOR WATER
... Most of the simple two-body potentials developed for water are variations of the Bernal and Fowler model.22 Water is modeled as a Lennard-Jones sphere located on the oxygen atom, two positive partial charges located on the hydrogen atoms and one negative partial charge ...
... Most of the simple two-body potentials developed for water are variations of the Bernal and Fowler model.22 Water is modeled as a Lennard-Jones sphere located on the oxygen atom, two positive partial charges located on the hydrogen atoms and one negative partial charge ...
Lecture 4
... a. The oxidation number of oxygen is usually –2 in both ionic and molecular compounds. The major exception is in compounds called peroxides, which contain O22- ion, giving each oxygen an oxidation number of –1. b. The Oxidation number of hydrogen is +1 when bonded to nonmetals and –1 when bonded to ...
... a. The oxidation number of oxygen is usually –2 in both ionic and molecular compounds. The major exception is in compounds called peroxides, which contain O22- ion, giving each oxygen an oxidation number of –1. b. The Oxidation number of hydrogen is +1 when bonded to nonmetals and –1 when bonded to ...
do not
... How do enzymes work? 1) Enzymes act upon a substance called a substrate 2) The enzyme has an indent in it called the active site where the substrate can fit into, kind of like a lock and a key ...
... How do enzymes work? 1) Enzymes act upon a substance called a substrate 2) The enzyme has an indent in it called the active site where the substrate can fit into, kind of like a lock and a key ...
Evolution of Enzymatic Activity in the Enolase Superfamily: Structural
... followed by mutational changes that allow the protein encoded by the copy to acquire a new function. An alternate hypothesis is that this process is facilitated when the progenitor enzyme acquires a second function while maintaining the original activity. This phenomenon has been suggested to occur ...
... followed by mutational changes that allow the protein encoded by the copy to acquire a new function. An alternate hypothesis is that this process is facilitated when the progenitor enzyme acquires a second function while maintaining the original activity. This phenomenon has been suggested to occur ...
IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) ISSN: 2278-3008.
... The three dimensional structure of protein receptors PKS 18(PDB 1TED) and AcccD5 (PDB ID2A7S) Fig. 2 were obtained from Protein data bank which is present in the Mycobacterium tuberculosis. The receptor molecules were obtained from Protein Data Bank (PDB) (http//www.rcsb.org/pdb/home/home.do)The ene ...
... The three dimensional structure of protein receptors PKS 18(PDB 1TED) and AcccD5 (PDB ID2A7S) Fig. 2 were obtained from Protein data bank which is present in the Mycobacterium tuberculosis. The receptor molecules were obtained from Protein Data Bank (PDB) (http//www.rcsb.org/pdb/home/home.do)The ene ...