A comparative crystallochemical analysis of binary compounds and simple anhydrous salts containing pyramidal anions LO3 (L = S, Se, Te, Cl, Br, I)

2006 ◽  
Vol 62 (3) ◽  
pp. 457-466 ◽  
Author(s):  
V. A. Blatov ◽  
M. V. Peskov
Keyword(s):  
Comparative Analysis ◽  
Close Packing ◽  
The Body ◽  
Inorganic Salts ◽  
Topological Similarity ◽  
Cubic Lattice ◽  
To Come ◽  
Binary Compounds ◽  
Crystallochemical Analysis

A comparative analysis of binary compounds and 61 simple anhydrous salts M y (LO3) z (L = S, Se, Te, Cl, Br, I) was performed using the crystallochemical program package TOPOS. A topological similarity was found between the salts and six types of binary compounds (NaCl, NiAs, PoCl2, Tl2S2, ZnTe, rutile). It is notable that these structure relationships are typical for other groups of inorganic salts: borates, carbonates, nitrates, orthophosphates, orthoarsenates, sulfates, selenates, perchlorates, molybdates and halogenides of d-metals. For all the M y (LO3) z compounds the topology and uniformity of the ion arrays were investigated. It has been established that in 36 out of the 61 salts at least one ion array has the topology of close packing or the body-centred cubic lattice. The results obtained have allowed us to come to conclusions about the structure-forming role of the arrays of various chemical composition.

Comparative topological analysis of simple anhydrous borates, carbonates and nitrates

2002 ◽  
Vol 217 (9) ◽  
Author(s):  
V. A. Blatov ◽  
Yu A. Zakutkin
Keyword(s):  
Crystal Structures ◽  
Topological Analysis ◽  
Program Package ◽  
Inorganic Salts ◽  
Oxo Anions ◽  
Binary Compounds ◽  
Crystallochemical Analysis

AbstractTopological analysis and comparing of the crystal structures of anhydrous inorganic salts containing triangular oxo-anions (borates, carbonates and nitrates) was performed using the program package for multipurpose crystallochemical analysis TOPOS. The examples of topological similarities between these classes of substances and 2920 framework binary compounds A

scholarly journals Permeable gut syndrome, gluten, and autoimmune disease: an integrative review

2021 ◽  
Vol 14 (3) ◽  
Author(s):  
Etianne Andrade Araújo ◽  
Alexandre Carli Pinto ◽  
Danilo Everton Cunha Cavalcante ◽  
Francione Moreira Cabral ◽  
Jhonatas Mota Santos ◽  
...  
Keyword(s):  
Autoimmune Diseases ◽  
Intestinal Permeability ◽  
Inflammatory Diseases ◽  
Intestinal Wall ◽  
The Body ◽  
Food Allergies ◽  
Leaky Gut ◽  
Basic Functions ◽  
To Come

Introduction: Leaky Bowel Syndrome or intestinal permeability is a gastrointestinal condition that affects many people. A leaky gut is a trigger for many changes like food allergies and intolerances, autoimmune diseases, colitis, Crohn's and celiac disease, inflammatory diseases, depression, insulin resistance and even cancer have been linked. Objective: To analyze basic information for a better understanding of this topic, from the functioning of the gastrointestinal tract, as the diseases that are associated with it, how the immune system responds to these injuries, the quality, and importance of proteins, and the consequence of this disorder to the body human. Methods: Conducted an integrative literature review. The Pubmed, Google Scholar, and Scielo databases were consulted. Results: The intestine is naturally permeable to many small molecules, so it can absorb vital nutrients. Regulating intestinal permeability is one of the most basic functions of the cells that make up the intestinal wall. But one factor calls our attention, what is the role of gluten in the development of this disease and the worsening of symptoms? Insensitive people, gluten can cause cells to release zonulin, a protein that can break the tight junctions of intestinal tissue. Other factors—such as infections, toxins, stress, and age—can also cause these joints to come apart. Once strong joints break, you have a leaky gut. Gluten, therefore, is the number one cause of this process. A person with a leaky intestine tends to be highly allergic and intolerant to foods and substances, and may or may not manifest intestinal discomfort such as gas and bloating. Conclusion: Based on the literature that supports this theme, it is considered that gluten is a possible villain in the intestinal tract and is related to many autoimmune diseases. Furthermore, as an interventional measure, it is necessary to reduce some carbohydrate-rich foods and the maintenance of the body's balance with specific diets and physical activities.

Corps et blanchité au prisme de la Blackness

2021 ◽  
Vol 39 (2) ◽  
pp. 53-68
Author(s):  
Sarah Fila-Bakabadio
Keyword(s):  
The Body ◽  
Critical Race ◽  
Joint Construction ◽  
To Come ◽  
Construction Of Whiteness

This article examines Whiteness from the perspective of the concept of Blackness and the production of Black gazes upon Whiteness. The goal is neither to reverse old schemes nor to establish a new asymmetric duality, but to come back to the first space in which political, social, and visual dynamics are formed—the body. In doing so, the article shows that the notions and tools developed by Blackness Studies and Critical Race Theories enable the analysis of the role of corporeality in the joint construction of Whiteness and Blackness.

scholarly journals Bibliometrics, scientometrics and informetrics. Part 2. Object

2021 ◽  
Vol 3 (1) ◽  
pp. 80-105
Author(s):  
Vladimir Lazarev
Keyword(s):  
Comparative Analysis ◽  
Initial Condition ◽  
Science Management ◽  
Similarities And Differences ◽  
To Come ◽  
Relationship Of ◽  
The Relationship ◽  
Broad Meaning

A simplified and sometimes vulgar understanding of the role of scientometrics in science management makes it necessary to better understand its essential characteristics. In this paper, scientometrics is considered in interrelations with bibliometrics and informetrics that are the fields of knowledge closest to it.In relation to bibliometrics, scientometrics and informetrics, this part discusses the representationof their object. Its reinterpretation using the modern broad meaning of the term “document” made us possible to come to the conclusion that there is (at least) the maximum convergence of interpretations of objects of bibliometrics, scientometrics and informetrics. In any case, such a comparative analysis of objects helps to identify both similarities and differences between these fields of knowledge, which is important, since their awareness is a very obvious initial condition for mutual conceptual enrichment (artificially diverged?) bibliometrics, scientometrics and informetrics with knowledge and concepts.Part 2 of the present paper provides examples of treating the objects of bibliometrics, scientometricsand informetrics using traditional interpretations of the concept of a “document”, followed by brief a review of the reinterpretation of this concept. However, consideration of the relationship of a “document” and “information” is much more detailed in the present work than it was performed in the author’s previous paper on this topic.

The Role of Polyphenols in the Modulation of Plasma Non-Enzymatic Antioxidant Capacity (NEAC)

2012 ◽  
Vol 82 (3) ◽  
pp. 228-232 ◽  
Author(s):  
Mauro Serafini ◽  
Giuseppa Morabito
Keyword(s):  
Antioxidant Capacity ◽  
Dietary Intervention ◽  
Ex Vivo ◽  
The Body ◽  
Dietary Polyphenols ◽  
Enzymatic Antioxidant ◽  
Endogenous Antioxidant

Dietary polyphenols have been shown to scavenge free radicals, modulating cellular redox transcription factors in different in vitro and ex vivo models. Dietary intervention studies have shown that consumption of plant foods modulates plasma Non-Enzymatic Antioxidant Capacity (NEAC), a biomarker of the endogenous antioxidant network, in human subjects. However, the identification of the molecules responsible for this effect are yet to be obtained and evidences of an antioxidant in vivo action of polyphenols are conflicting. There is a clear discrepancy between polyphenols (PP) concentration in body fluids and the extent of increase of plasma NEAC. The low degree of absorption and the extensive metabolism of PP within the body have raised questions about their contribution to the endogenous antioxidant network. This work will discuss the role of polyphenols from galenic preparation, food extracts, and selected dietary sources as modulators of plasma NEAC in humans.

The Role of Computer Modeling in Electrocardiography

1990 ◽  
Vol 29 (04) ◽  
pp. 282-288 ◽  
Author(s):  
A. van Oosterom
Keyword(s):  
Electrical Activity ◽  
Computer Modeling ◽  
Body Surface ◽  
Electrical Current ◽  
The Body ◽  
Volume Conductor ◽  
Current Generator ◽  
Cardiac Electrical Activity ◽  
Source Models

AbstractThis paper introduces some levels at which the computer has been incorporated in the research into the basis of electrocardiography. The emphasis lies on the modeling of the heart as an electrical current generator and of the properties of the body as a volume conductor, both playing a major role in the shaping of the electrocardiographic waveforms recorded at the body surface. It is claimed that the Forward-Problem of electrocardiography is no longer a problem. Several source models of cardiac electrical activity are considered, one of which can be directly interpreted in terms of the underlying electrophysiology (the depolarization sequence of the ventricles). The importance of using tailored rather than textbook geometry in inverse procedures is stressed.

The Role of the Zakat System during the Colonial-period in Malaysia and Uzbekistan: A Comparative Analysis

2017 ◽  
Vol 04 ◽  
pp. 40-54
Author(s):  
Avazbek Ganiyev Oybekovich ◽  
◽  
Hassan Shakeel Shah ◽  
Mohammad Ayaz ◽  
◽  
...  
Keyword(s):  
Comparative Analysis ◽  
Colonial Period

The role of graining in ensuring food security

2020 ◽  
pp. 75-79
Author(s):  
R. M. Gambarova
Keyword(s):  
Food Security ◽  
Comparative Analysis ◽  
Systems Approach ◽  
Point Of View ◽  
Government Support ◽  
Grain Production ◽  
The Government ◽  
Favorable Conditions ◽  
Grain Farms

Relevance. Grain is the key to strategic products to ensure food security. From this point of view, the creation of large grain farms is a matter for the country's selfsufficiency and it leading to a decrease in financial expense for import. Creation of such farms creates an abundance of productivity from the area and leads to obtaining increased reproductive seeds. The main policy of the government is to minimize dependency from import, create abundance of food and create favorable conditions for export potential.The purpose of the study: the development of grain production in order to ensure food security of the country and strengthen government support for this industry.Methods: comparative analysis, systems approach.Results. As shown in the research, if we pay attention to the activities of private entrepreneurship in the country, we can see result of the implementation of agrarian reforms after which various types of farms have been created in republic.The role of privateentrepreneurshipinthedevelopmentofproduction is great. Тhe article outlines the sowing area, production, productivity, import, export of grain and the level of selfsufficiency in this country from 2015 till 2017.

Questions on the role of biofilms for the adaptation of microorganisms to unfavorable environmental factors by the example of P. aeruginosa

2020 ◽  
Vol 99 (4) ◽  
pp. 379-383
Author(s):  
Vasily N. Afonyushkin ◽  
N. A. Donchenko ◽  
Ju. N. Kozlova ◽  
N. A. Davidova ◽  
V. Yu. Koptev ◽  
...  
Keyword(s):  
Antibiotic Resistance ◽  
Environmental Factors ◽  
Barrier Function ◽  
Infectious Agent ◽  
Antagonistic Activity ◽  
The Body ◽  
Main Function ◽  
Pathogenic Potential ◽  
The Face

Pseudomonas aeruginosa is a widely represented species of bacteria possessing of a pathogenic potential. This infectious agent is causing wound infections, fibrotic cystitis, fibrosing pneumonia, bacterial sepsis, etc. The microorganism is highly resistant to antiseptics, disinfectants, immune system responses of the body. The responses of a quorum sense of this kind of bacteria ensure the inclusion of many pathogenicity factors. The analysis of the scientific literature made it possible to formulate four questions concerning the role of biofilms for the adaptation of P. aeruginosa to adverse environmental factors: Is another person appears to be predominantly of a source an etiological agent or the source of P. aeruginosa infection in the environment? Does the formation of biofilms influence on the antibiotic resistance? How the antagonistic activity of microorganisms is realized in biofilm form? What is the main function of biofilms in the functioning of bacteria? A hypothesis has been put forward the effect of biofilms on the increase of antibiotic resistance of bacteria and, in particular, P. aeruginosa to be secondary in charcter. It is more likely a biofilmboth to fulfill the function of storing nutrients and provide topical competition in the face of food scarcity. In connection with the incompatibility of the molecular radii of most antibiotics and pores in biofilm, biofilm is doubtful to be capable of performing a barrier function for protecting against antibiotics. However, with respect to antibodies and immunocompetent cells, the barrier function is beyond doubt. The biofilm is more likely to fulfill the function of storing nutrients and providing topical competition in conditions of scarcity of food resources.

Sign in / Sign up

Export Citation Format

Share Document