Substitution effect

The current study investigates the influences of using DP on the engineering properties of the modified SCM with the HVFA based supplementary cementitious binder. Particularly, the effect of slag with higher pozzolanic reactivity partially substituting fly ash on the properties of the modified SCM was preliminarily estimated, which has not been previously explored.

10p viyoko 01-10-2024 2 1   Download

Zeolites, commonly referred to as molecular sieves, are aluminosilicate minerals with an open structure and interconnecting holes that can be explored by molecular, atomic, and ionic components. Zeolites, called pozzolans, are hydrophilic aluminum silicates that contain alkali and alkaline earth elements.

7p viyoko 01-10-2024 2 2   Download

In this study, cellulose nanocrystals (CNC) were chemically extracted from the waste newspapers and acetylated by reacting CNC with acetic anhydride, using sulfuric acid as a catalyst.

7p vikwong 29-09-2024 2 1   Download

This thesis analyses the Australian resources equity market reaction to the 2010 resource tax announcements. These taxes were explicitly designed to meet tax neutrality conditions. Tax neutrality implies that taxes should not incur substitution effects that result in economic inefficiency. These taxes were intended to generate revenue (i.e., an income effect) while not distorting economic incentives.

428p runthenight04 02-02-2023 10 2   Download

Research objectives of the thesis: Clarification influence of the elements Na, Sr and Ba substituting for La/Ca and crystal size on the magnetic properties, phase transition and magnetocaloric effects of La0,7Ca0,3MnO3 materials. Found the materials for significant mmagnetocaloric parameters have potential for applications in magnetic refrigeration.Determine the effect of replacing Sr/Ba for Ca in La0,7Ca0,3MnO3 and Co substituting for Mn in La0,7Sr0,3MnO3 on their critical behavior as well as the ferromagnetic interactions order.

31p extraenglish 24-05-2021 25 4   Download

To describe the alveolar cleft with clinical and radiographic features in patients with cleft lip and palate. To evaluate the bone resorption when using iliac bone, with platelet-rich plasma and bone substitutes.

24p cothumenhmong6 17-07-2020 31 2   Download

The study of substitute brake pad materials from sustainable sources is an area that requires immediate attention. This is because previous materials used (such as asbestos) are known to have carcinogenic effects.

24p lucastanguyen 01-06-2020 22 2   Download

In the current context of eco-pollution, the substitute of conventional plastics with bioplastics is a big confront. On account of that, a non-growth associated PHB production study was conducted using Zobellella species under submerged fermentation process. As a result, Zobellella species showed the ability to accumulate 2.2g/L of PHB at pH 8. 0, temperature 37oC, salt concentration 2% in modified growth medium containing vitamins. Then, primary structural characterization of extracted polymer was conducted by FTIR analysis. The high intense peak was obtained at 1720.

7p nguaconbaynhay6 24-06-2020 38 3   Download

An effective and expeditious method of the synthesis of a highly functionalized piperidines, catalyzed by nontoxic, recyclable and environment friendly sodium lauryl sulfate (SLS), via one-pot multi-component condensation of aldehydes, amines and β-ketoesters in water at room temperature, has been developed.

8p tocectocec 25-05-2020 9 2   Download

The presence of heterocyclic moiety in diverse compounds, strongly indicative of the desired effect on physiological activity, and it reflects on efforts to find useful synthetic drugs.

12p tocectocec 25-05-2020 17 2   Download

The selective effects of these inhibitors are governed by substituent at position 5. Kinetic studies and molecular docking simulation were performed for elucidating mechanisms of enzyme-inhibitor complex formation.

12p tocectocec 25-05-2020 7 0   Download

7p abcxyz123_02 03-03-2020 25 3   Download

Med. Zentrum fur Hygiene und Medizinische Mikrobiologie, Philipps-Universitat Marburg, Marburg, Germany Mannose analogues (2-deoxy-D -glucose, 2-deoxy-2-fluoroD -glucose and 2-amino-2-deoxy-D -mannose) have been used to study glycosylphosphatidylinositol (GPtdIns) biosynthesis and GPtdIns protein anchoring in protozoal and mammalian systems. The effects of these analogues on GPtdIns biosynthesis and GPtdIns-protein anchoring of the human malaria parasite Plasmodium falciparum were evaluated in this study. ...

8p system191 01-06-2013 27 4   Download

By replacing specific amino acids at positions 112, 147 and 152 of the human aldosterone synthase (CYP11B2) with the corresponding residues from human, mouse or rat 11b-hydroxylase (CYP11B1), we have been able to investigate whether these residues belong to structural determinants of individual enzymatic activities. When incubated with 11-deoxycorticosterone (DOC), the 11b-hydroxylation activity of the mutants was most effectively increased by combining D147E and I112P (sixfold increase).

10p research12 01-06-2013 35 4   Download

Gaegurin 4 (GGN4), a 37-residue antimicrobial peptide, consists of two amphipathic ahelices (residues 2–10and 16–32) connected by a flexible loop region (residues 11– 15). As part of an effort to develop new peptide antibiotics with low molecular mass, the activities of C-terminally truncated GGN4 analogues were tested. D 24)37 GGN4, a peptide analogue with 14 residues truncated from the C-terminus of GGN4, showed a complete loss of anti-microbial activity.

8p research12 23-04-2013 31 2   Download

We report the recombinant neurolysin and thimet oligo-peptidase (TOP) hydrolytic activities towards internally quenched fluorescent peptides derived from the peptide Abz-GGFLRRXQ-EDDnp (Abz,ortho-aminobenzoicacid; EDDnp,N-(2,4-dinitrophenyl) ethylenediamine), in which X was substituted by 11 different natural amino acids. Neurolysin hydrolyzed these peptides at R–R or at R–X bonds, and TOP hydrolyzed at R–R or L–R bonds, showing a preference to cleave at three or four amino acids from the C-terminal end. ...

9p research12 23-04-2013 44 3   Download

Molecular mechanics calculations on conformers of Ac-HGly-NHMe, Ac-b 2 -HAla-NHMe and Ac-b 3 -HAla-NHMe indicate that low-energy conformations of the b-amino acids backbone, corresponding to gauche rotamers around the Ca–Cbbond, may overlap canonical backbone conformers observed for a-amino acids. Therefore, Sub-stance P (SP) was used as a model peptide to analyse the structural and biological consequences of the substitution of Phe7andPhe8by(R)-b 2 -HPheandofGly9byHGly (R)-b 2 -HAla or (S)-b 3 -HAla....

11p tumor12 20-04-2013 33 3   Download

HIV-1 protease is a pivotal enzyme in the later stages of the viral life cycle which is responsible for the processing and maturation of the virus particle into an infectious virion. As such,HIV-1proteasehasbecomean important target for the treatment ofAIDS, and efficient drugs have beendeveloped. However, negative side effects and fast emerging resistance to the current drugs have necessitated the development of novel chemical entities in order to exploit different phar-macokinetic properties as well as new interaction patterns....

9p awards 05-04-2013 32 2   Download

Substitution oftrans-proline at three positions in ubiquitin (residues 19, 37 and 38) produces significant context-dependent effects on protein stability (both stabilizing and destabilizing) that reflect changes to a combination of parameters including backbone flexibility, hydrophobic interactions, solvent accessibility to polar groups and intrinsic backbone conformational preferences. Kinetic analysis of thewild-type yeast protein reveals a predominant fast-folding phase which conforms to an apparent two-state folding model. ...

11p awards 05-04-2013 49 4   Download

Information on the regulation and structure–function rela-tion of enzymes involved in DNA precursor synthesis is pivotal, as defects in several of these enzymes have been found to cause depletion or deletion of mitochondrial DNA resulting in severediseases.Here, the effect of aminoacid106 on the enzymatic properties of the cell-cycle-regulated human cytosolic thymidine kinase 1(TK1) is investigated.

9p dell39 03-04-2013 50 4   Download