Bibliographies thématiques / Biochemical Attribute

Littérature scientifique sur le sujet « Biochemical Attribute »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "Biochemical Attribute"

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Isnidayu, Anandya Vanessa, Anggoro Cahyo Sukartiko et Makhmudun Ainuri. « Indikator Atribut Sensori Kopi Specialty Asal Jawa Barat Berbasis Komponen Biokimia ». Jurnal Tanaman Industri dan Penyegar 7, no 1 (7 février 2020) : 1. http://dx.doi.org/10.21082/jtidp.v7n1.2020.p1-8.

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<em>Assessing coffee sensory quality is generally carried out by panelists using cup testing with reference to the Specialty Coffee Association of America (SCAA) standards. A high level of sensitivity sensory is essential thus it must be done by trained panelists. Given the limitations of the method, a deeper study is required to obtain a standard of assessment of coffee sensory quality based on more reliable and precise analytical methods, one of which is biochemical components. This study was aimed to analyze the sensory quality and biochemical components of Arabica coffee and determine the indicators of sensory attributes based on those biochemical components. The study was conducted at two Arabica coffee-producing areas in West Java from May to September 2019. The biochemical components analyzed included caffeine, trigonelline, chlorogenic acid (CGA), sucrose, and lipid, while the sensory attributes assessed were aroma, flavor, aftertaste, acidity, body, balance, uniformity, sweetness, clean cup, and overall. The survey method with stratified and simple random sampling was used and followed by Two-way Anova and Partial Least Square analysis. Results showed variations in the biochemical content of coffee from the two areas. Lipid has a positive correlation with the aroma and flavor attributes, and negatively correlated with the body attribute. Caffeine has a negative correlation with the aftertaste attribute, whereas CGA has a negative correlation with the acidity attribute. Correlation between biochemical components with sensory attributes showed that the biochemical content acts as an indicator of sensory attributes.</em>
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Sousa, Valéria Rodrigues de, Leciana de Menezes Sousa Zago, Danielle Gonçalves Teixeira dos Santos, Carlos Melo Silva Neto et Samantha Salomão Caramori. « Crop tillage, soil depth, and their influence on extracellular enzyme activities ». Australian Journal of Crop Science, no 17(08):2023 (1 août 2023) : 614–20. http://dx.doi.org/10.21475/ajcs.23.17.08.p3691.

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Agricultural practices can alter both physicochemical properties and soil microbial parameters, modifying the dynamics of soil biochemical functioning and, consequently, nutrient cycling. This study evaluated the effect of land use on chemical and biochemical attributes, and relationships between environmental variables. We used a sampling design to collect soil samples at different depths in different agroecosystems. Soil samples from natural ecosystems (native Cerrado) and agroecosystems (cotton and sugarcane cultivation) were collected at 0–0.1 m, 0.1–0.2 m, 0.2–0.5 m, and 0.5–1.0 m from 12 areas in the State of Goiás, Brazil. Twelve chemical properties and two biochemical attributes (enzyme activity and microbial biomass carbon) were evaluated using a generalized linear model of variance and Tukey’s test with three factors: correlation between all soil attributes, multiple regression between soil attributes, and biochemical variables. Soil chemical and biochemical attributes were significantly affected by variable depth (p<0.05). Most of the metabolic activity in the soil occurred at 0 to 0.2 m, independent of land use class. Seasonality also affected enzyme activity in the soil, with higher activity during the rainy season. In contrast, microbial biomass carbon, an attribute generally related to organic matter and carbon mineralization, did not vary significantly with different soil depths and seasons. Thus, enzyme activity is an important indicator of soil fertility variations and is more sensitive than chemical and microbial parameters
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Koehler, Anne, Goetz Nowak et Mercedes López. « Biochemical and pharmacokinetic characterisation of two PEGylated variants of dipetarudin ». Thrombosis and Haemostasis 102, no 09 (2009) : 454–59. http://dx.doi.org/10.1160/th08-12-0809.

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SummaryDipetarudin was coupled to polyethylene glycol (PEG)-5000 residues in order to improve its pharmacokinetic profile and to enhance its anticoagulant efficacy. The resulting compounds, mono-and di-PEGylated dipetarudin were purified by gel filtration. Mono-PEGylated dipetarudin exhibited similar activity like its non-conjugated equivalent both in vitro and in vivo. However, di-PEGylated dipetarudin showed longer distribution and elimination half-lives and higher area under the time-concentration curve in comparison with the unmodified inhibitor which may be attributed to decreased renal clearance. Futhermore, ratio k 12/k 21 decreased when the number of PEG chains coupled to dipetarudin increased. It means that the intercompartment transfer of dipetarudin, characterised by a fast distribution and a high retention in the peripheral compartment, is reverted by coupling to PEG. Thus, the transfer of mono-PEGylated dipetarudin between these compartments is similar in both senses and the transfer of di-PEGylated dipetarudin is slower from vascular to extravascular compartment than vice versa. Our results show that di-PEGylated dipetarudin produces a better and longer anticoagulant effect than unmodified dipetarudin which is a desirable attribute for future therapeutic application.
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Malik, Parth, et Tapan K. Mukherjee. « Structure-Function Elucidation of Antioxidative and Prooxidative Activities of the Polyphenolic Compound Curcumin ». Chinese Journal of Biology 2014 (2014) : 1–8. http://dx.doi.org/10.1155/2014/396708.

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Phenolic compounds have been very well known for their antioxidant properties, owing to their unique ability to act as free radical scavengers which, in turn, is an outstanding attribute of their unique biochemical structure. Recent accumulating lines of evidence inculcate sustainable interest and curiosity towards the chemoprotective nature of the natural polyphenolic compound curcumin (diferuloylmethane) against oxidative stress-mediated disorders. Curcumin is naturally found as a constituent of dietary spices called turmeric, extracted from the plant Curcuma longa. However, like every phenolic antioxidant, curcumin possesses a concentration and medium dependent anti- and pro-oxidant behaviour. A detailed study of the structure-function analysis and the understanding of the mode of action of curcumin as well as its chemical analogues is thus essential to understand the selective biochemical consequences of curcumin. Moreover, the presence of transition metal ions, route of administration, and localized tissue are also the vital decisive factors to determine curcumin behaviour. With this viewpoint, this paper sheds lights on the medium dependent prooxidative and antioxidative attributes of curcumin. Further, with respect to emergence of nanocarriers, a brief discussion focusing on the biochemical effect exertion of curcumin chiefly due to targeted and slow release has also been added towards the end.
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Piskun, R. P., V. M. Shkarupa, N. M. Hrynchak, O. V. Sprut et T. B. Vasenko. « Genome as a top informational attribute of biological species ». Faktori eksperimental'noi evolucii organizmiv 22 (9 septembre 2018) : 175–79. http://dx.doi.org/10.7124/feeo.v22.944.

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Aim. To substantiate a concept of genome as the top informational attribute of biological species based on the modern achievements of biological sciences. Methods. Study and analysis of subject scientific literary sources, in which the technique of genomic analysis is used for determination of a number and similarity of genomes. Results. The main component of genomes is DNA that carries information about the primary structure of proteins (structural genes of matrix RNA), synthesis of proteins (mRNA, tRNA, rRNA), sites for connection of signaling molecules (start/stop expression, amplification, deceleration, repetition, etc.), mobile genetic elements, recombination sites, etc. The genome of each organism has a great variety of genetic nets and systems that control the molecular, biochemical, physiological and morphological features of organisms. At the same time, each gene network has genetic mechanisms designated for its regulation, based on changing functions of certain groups of genes that are part of the gene networks. Conclusions. Therefore, the genome is a part of a cell of a certain living body, consisting of an appropriate set of nucleic acids and proteins, combined into a single structural and functional system. Keywords: genome, structure, functions.
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Sazanov, A. A., Kh Kh Erganokov et E. Pfeifer. « A cryobank as an attribute of omics technologies ». Biomeditsinskaya Khimiya 63, no 5 (2017) : 428–31. http://dx.doi.org/10.18097/pbmc20176305428.

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Biobanks are systematic and annotated collections of biological samples based on the system of standard operating procedures (SOP) and corresponding to the recommendations of the International Society for Biological and Environmental Repositories (ISBER). Standardization of conditions of obtaining, processing, storage of samples and providing to an end user are crucial in the activities of the biobank. The attributes of biobanks include common principles of labeling and annotation of biological samples using specialized software, an automated monitoring system of storage conditions, and registration of biosamples. Cryobanks are the biobanks maintained at the storage conditions from -196°C to -150°C that provide better cell viability and the highest preservation of biological molecules. Cryobanking is the most essential part of the infrastructure of population and personalized medicine, pharmaceuticals and biopharmacology, conservation of rare and endangered species, as well as biotechnology in general. Next Generation Biobanking, a concept especially designed for omics technologies, involves annotating biological samples on many biomarkers based on Next Generation Sequencing techniques, as well as collecting biological material from the same patient at different time points (for example, at different stages of the disease, before and after the operation, at different periods of therapy) with a detailed annotation of physiological, biochemical and clinical data. Epigenetic studies (DNA methylation, microRNA, etc.), as well as bioinformatic data analysis are of great importance in the activity of Next Generation Biobanking. Such biobanks should function based on the new ethical principles of the post-genomic era.
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Simon, Catia Aparecida, Sebastião Ferreira de Lima, Meire Silvestrini Cordeiro, Vinícius Andrade Secco, Guilherme Nacata, Antonio Marcos Miranda Silva, Camila da Conceição Simon et Marivaine da Silva Brasi. « Cover crops as modifying agents of microbiological soil attribute ». Australian Journal of Crop Science, no 13(10):2019 (20 octobre 2019) : 1578–85. http://dx.doi.org/10.21475/ajcs.19.13.10.p1723.

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Carbon sources are exuded and deposited by different soil cover plants. They promote growth, diversity and enhancement of soil microbial community functionality, due to organic matter degradation by participating in major biochemical cycles and the availability of inorganic nutrients to plants. In this way, it is necessary to evaluate the microbiological attributes of the soil after cover cropping, which allows for surveying and monitoring the soil quality, thereby enabling rapid responses in relation to managing changes in the soil. Thus, the objective of this study was to evaluate soil microbiological attributes and soybean grain yield under the influence of different cover crops. The experiment was installed in the year 2015. The treatments were constituted by the following vegetation coverages: sorghum, millet, Urochloa ruziziensis, forage turnip, Urochloa brizantha, crambe and fallow area, with cover crops sown in succession to the soybean crop for three years prior to the date of installation of the experiment .The evaluated parameters were soil microbial biomass carbon, soil basal respiration, metabolic quotient, enzymatic activity of acid phosphatase and soil β-glucosidase, plant phytomass produced by the different cover crops and soybean yield in each area. The use of cover crops promotes higher soybean yield. The microbial activity and its efficiency were modulated according to the type of cover crop used. Soil under sorghum mulch provided lower microbial efficiency. The U. ruziziensis plant residues remain for less time on the soil. The results show that U. brizantha may be the most suitable for its use as a soil cover plant, providing improvements in its attributes.
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Altaye, Solomon Zewdu, Lifeng Meng, Yao Lu et Jianke Li. « The Emerging Proteomic Research Facilitates in-Depth Understanding of the Biology of Honeybees ». International Journal of Molecular Sciences 20, no 17 (30 août 2019) : 4252. http://dx.doi.org/10.3390/ijms20174252.

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Advances in instrumentation and computational analysis in proteomics have opened new doors for honeybee biological research at the molecular and biochemical levels. Proteomics has greatly expanded the understanding of honeybee biology since its introduction in 2005, through which key signaling pathways and proteins that drive honeybee development and behavioral physiology have been identified. This is critical for downstream mechanistic investigation by knocking a gene down/out or overexpressing it and being able to attribute a specific phenotype/biochemical change to that gene. Here, we review how emerging proteome research has contributed to the new understanding of honeybee biology. A systematic and comprehensive analysis of global scientific progress in honeybee proteome research is essential for a better understanding of research topics and trends, and is potentially useful for future research directions.
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Pandey, Shiwanand, Vivek Kumar Tripathi, Ankur Sharma et Himanshu Trivedi. « Trend during Growth, Development and Quality Attributes of Ber (Zizyphus mauritiana Lamk.) Fruits : A Review ». International Journal of Environment and Climate Change 13, no 4 (11 mars 2023) : 132–39. http://dx.doi.org/10.9734/ijecc/2023/v13i41719.

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The trends in growth, development and quality attributes of Ber (Zizyphus mauritiana Lamk.) included changes observed during growth and development, namely fruiting behavior, physical properties and biochemical components of the ber fruit at different stages of growth and development. Flowering began in mid-September and ended in mid-November with the peak of the flowering period in mid-October. While the fruit setting was between the third week of September to the first week of December, but the peak fruit initiation period was the last week of September to mid-October. During fruit growth, development and yield attribute the percentage of fruit drop and retention also changes. Ber fruits were harvested in five times collections and the peak yield period was the first week of March. In the physical changes, the study revealed that length, width, weight, volume, pulp weight, and seed weight increased from fruit set to maturity at all stages of growth and development except for specific weight, which first increased in month of mid-November and then decreased when the fruits continued in the harvest phase. The biochemical changes in fruit in terms of total sugars, ascorbic acid, reducing sugars, non-reducing sugars and total sugars increased steadily from fruit set to maturity, when titratable acidity showed a trend decreasing during fruit growth and development.
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L., Umma, Asma’u A., Mustapha R. K., Abdulmumin Y. et Hauwa I. D. « Biochemical and Toxicological Activity of Guiera senegalensis Leaves Extract ». Scholars International Journal of Biochemistry 6, no 08 (11 août 2023) : 106–15. http://dx.doi.org/10.36348/sijb.2023.v06i08.002.

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Guiera senegalensis (“Senegal guiera” in English; “Sabara” in Hausa) (Combretaceae) is traditionally used for various purposes in Africa and other parts of the world with little or no scientific basis. It is thus the aim of this research to evaluate its biochemical and toxicity effects for its medicinal properties, safety, efficacy of treatment, and the optimum dose. The study qualitatively screened for phytochemicals, acute toxicity (LD50) and sub-chronic toxicity indices in the ethylacetate extract of the plant. The result of phytochemical screening revealed G. senegalensis ethylacetate leaf extract to contain some important phytochemical compounds that may attribute to the biochemical properties possessed by the plant. The result of acute toxicity study showed that the plant is practically non-toxic (oral LD50>5000mg/kg) when used for a short period of time and some signs of toxicity on heart in sub-chronic study (on long term of use). Also, the Haematological results indicated that the plant may have some effects on the immune system, might have caused an increase in RBC and haemoglobin production, and may also enhance O2 – transport capacity of the blood. Guiera senegalensis should therefore be used with care when used for a long period of time.
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Thèses sur le sujet "Biochemical Attribute"

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Jha, Suchisree. « Studies of Biochemical attributes of mulberry leaves and silkwarm, rearing system through elicitation by peptides and other growth regulators ». Thesis, University of North Bengal, 2017. http://ir.nbu.ac.in/handle/123456789/2635.

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Safa, Hassan. « Réduction combinée en chlorure de sodium et en matière grasse animale lors de la fabrication du saucisson sec : effets sur les propriétés physicochimiques et les réactions biochimiques en lien avec la production aromatique et les attributs sensoriels ». Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22668/document.

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Du fait de problèmes de santé publique, l’industrie agroalimentaire doit réduire la quantité de sel et de matière grasse dans les aliments, et donc dans les charcuteries. Lors de la fabrication des saucissons secs, une diminution combinée des taux de sel et de matière grasse animale peut se traduire par des problèmes de stabilité microbiologique, des défauts d’arôme et de texture dus à des modifications physicochimiques et biochimiques. Dans ce contexte, les objectifs de cette thèse étaient : (1) d’étudier l’impact d’une réduction directe des teneurs en sel et en matière grasse animale sur les évolutions physicochimiques et biochimiques au sein des produits, (2) d’identifier les composés aromatiques responsables de l’arôme du saucisson sec, ainsi que leurs origines, (3) de développer de nouvelles formulations de saucissons secs à teneurs réduites en sodium et en acides gras saturés, et (4) d’étudier les transferts d’eau et sel et de développer une isotherme de sorption spécifique pour le saucisson sec. L’étude de l’effet d’une réduction directe combinée a mis en évidence la difficulté de fabriquer des saucissons secs à teneurs réduites en sel et en matière grasse animale, sans modifier les évolutions physicochimiques et biochimiques. Une identification des composés volatils odorants de saucissons secs de haut de gamme a permis de montrer que l’aromatisation par l’ail et le poivre noir pouvait être un levier technologique permettant d’améliorer la qualité aromatique des saucissons secs allégés en sel et en matière grasse animale. L’impact de l’aromatisation et d’une substitution partielle combinée du sel par le chlorure de potassium et du gras de bardière de porc par l’huile de tournesol oléique sur les propriétés physicochimiques, les réactions biochimiques et les attributs sensoriels de saucissons secs, a été étudié. Cette étude a montré le rôle important de l’aromatisation qui agit en introduisant des molécules aromatiques qui rehaussent l’acceptabilité des produits par les consommateurs, en tant qu’exhausteur de la perception du goût salé et aussi, sur les processus fermentaires qui vont conditionner l’aspect et la texture finale du produit. La substitution partielle combinée est une solution efficace pour conserver au mieux la qualité organoleptique des saucissons, en permettant, d’une part, d’éviter les défauts texturaux et sensoriels liés aux modifications physicochimiques, protéolytiques et lipolytiques générés par une réduction directe combinée, et d’autre part, d’améliorer l’arôme du produit en rehaussant les niveaux d’oxydations lipidique et protéique. L’étude des transferts d’eau et de sel a mis en évidence une migration du sel vers le cœur du saucisson, et a permis de déterminer des valeurs de diffusivité apparente de l’eau en surface de ces produits. Il a été montré qu’une forte réduction en matière grasse réduisait la diffusivité de l’eau à la surface du saucisson. Une isotherme de sorption spécifique permettant de prédire l’aw en fonction des teneurs en eau, en lipides et en sel a été construite en adaptant un modèle de Ross établi pour la gélatine salée et grasse
Because of public health problems, the food industry must lower sodium and animal fat contents in all food products, therefore in cured meat products. During dry-fermented sausage manufacture, a combined reduction both in salt and animal fat contents may induce microbial safety problems and textural and aroma defects due to physical-chemical and biochemical changes. On account of that, this work of thesis aims (1) to investigate the impact of a direct reduction on the salt and animal fat contents on the physical-chemical and biochemical evolutions in the products, (2) to identify the aromatic compounds responsible for the aroma of dry-fermented sausage, and their origins, (3) to develop new nutritionally-improved formulations of dry-fermented sausages with less sodium and saturated fatty acids, and (4) to study the impact of lipid and sodium chloride contents on water transfers in dry-fermented sausages and to build a specific sorption isotherm curve for dry sausages. The study of the effect of a combined direct reduction highlighted the difficulty of manufacturing sodium-reduced fat-reduced dry sausages, without affecting the physical-chemical and biochemical evolutions. Identification of odorous volatile compounds of high quality dry sausages showed that flavouring, especially garlic and black pepper, could be a good solution for improving the aromatic quality of salt-reduced fat-reduced dry-fermented sausages. The impact of flavouring and of a combined salt and animal fat replacement by potassium chloride and oleic sunflower oil, respectively, on physical-chemical properties, biochemical reactions and sensory attributes of dry-fermented sausages was then studied. This specific study showed the crucial role played by flavouring which introduces aromatic molecules that enhance the product acceptability by consumers, which acts as an enhancer of the saltiness perception and which improves the product appearance and texture by boosting the fermentation process. Consequently, the combined partial substitution is an efficient solution to preserve at best the organoleptic quality of the products, allowing, on one hand, avoiding the textural and sensory defects related to physical-chemical, proteolytic and lipolytic modifications induced by a combined direct reduction, and on the other hand, enhancing the product aroma by increasing the levels of lipid and protein oxidations. The study on water and salt transfers highlighted a salt diffusion towards the dry sausage core, and made it possible to determine values of apparent water diffusivity at the sausage surface. We demonstrated that a strong reduction in animal fat content significantly lowered the water diffusivity value at the product surface. A specific sorption isotherm curve based on a modified Ross model was built, allowing dry-fermented sausages water activity to be calculated as a function of water, fat and salt contents
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Rincker, Phillip John. « The impacts of intramuscular fat content and other biochemical attributes of fresh pork loins on sensory characteristics / ». 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3290360.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.
Source: Dissertation Abstracts International, Volume: 68-11, Section: B, page: 7036. Adviser: Floyd K. McKeith. Includes bibliographical references. Available on microfilm from Pro Quest Information and Learning.
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Livres sur le sujet "Biochemical Attribute"

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Spermatophores : Development, Structure, Biochemical Attributes and Role in the Transfer of Spermatozoa. Springer, 2012.

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Mann, T. Spermatophores : Development, Structure, Biochemical Attributes and Role in the Transfer of Spermatozoa. Springer London, Limited, 2012.

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Mann, Thaddeus. Spermatophores : Development, Structure, Biochemical Attributes and Role in the Transfer of Spermatozoa (Zoophysiology, Vol 15). Springer, 1985.

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Chapitres de livres sur le sujet "Biochemical Attribute"

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Laudicina, Vito Armando, Paul G. Dennis, Eristanna Palazzolo et Luigi Badalucco. « Key Biochemical Attributes to Assess Soil Ecosystem Sustainability ». Dans Environmental Protection Strategies for Sustainable Development, 193–227. Dordrecht : Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1591-2_6.

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Dawane, Vinars, Jayandra Kumar Himnashu, Pankaj Kumar, Sunil Kumar Patidar, Satish Piplode, Sonu Sen, Saleem Ahmad Yatoo, Man Mohan Prakash et Bhawana Pathak. « Review on Attributes and Device-Designing Technologies on Sensors (Chemical, Biochemical, Nano- and Bionanosensors) ». Dans Metal Oxide–Based Carbon Nanocomposites for Environmental Remediation and Safety, 231–56. Boca Raton : CRC Press, 2023. http://dx.doi.org/10.1201/9781003323464-10.

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El-Mogy, Mohamed M., et Hany G. Abd El-Gawad. « An Analysis of the Physiological and Biochemical Attributes in Tomato Fruits Affected by Salinity Stress ». Dans Crop Sustainability and Intellectual Property Rights, 119–31. New York : Apple Academic Press, 2023. http://dx.doi.org/10.1201/9781003383024-7.

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Hegde, Shrihari, Kodandoor Sharathchandra, Murari M. Subrahmanya Gowda et Kandikere R. Sridhar. « Biochemical and Nutritional Attributes of Wild Floral Honey of the Western Ghats and West Coast of India ». Dans Ethnic Knowledge and Perspectives of Medicinal Plants, 461–79. New York : Apple Academic Press, 2023. http://dx.doi.org/10.1201/9781003353089-23.

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Aguiar, Marília Magalhães, Aldair da Silva Guterres, Talita Ariane Amaro Lobato, Rafaelle Dias, Arícia Monteiro Maia, Ana Carlene Ferreira dos Santos, Dalva Bastos e. Silva Coutinho, Elean Vanessa Machado Ferreira et Ana Louise Andrade Rocha. « The relation between food consumption and biochemical exams and their nutritional consequences in patients treated in a Reference Hospital in Nephrology in Belém-PA ». Dans COLLECTION OF INTERNATIONAL TOPICS IN HEALTH SCIENCE- V1. Seven Editora, 2023. http://dx.doi.org/10.56238/colleinternhealthscienv1-001.

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Introduction: Renal failure occurs when the kidneys cannot develop their regulatory functions normally, leading the patient to several disorders, such as: water retention, electrolyte dysfunction and acid-base imbalance. Objective: To evaluate the food consumption of patients undergoing Renal Replacement Therapy and compare it with biochemical tests. Methodology: This is a qualitative-quantitative, comparative, descriptive and analytical study, carried out in the Renal Replacement Therapy Sector in a referral hospital, located in Belém do Pará, between November 2021 and January 2022, where data were collected biochemicals from the patients' charts and Food Frequency Questionnaires (FFQ) were applied. Results: The study involved 43 patients. A higher consumption of carbohydrates was observed in the diet, from different sources according to the FFQ. Regarding the biochemical tests, the values obtained were within the normal range. Discussion: In the present study, a prevalence in the daily food consumption of carbohydrates, fats and fried foods was observed, which may explain the changes in blood glucose levels. Regarding fruits, vegetables and animal proteins, the highest frequency was weekly. All these foods are rich in potassium and phosphorus respectively and if consumed in excess they can be harmful to the health of patients. Conclusion: Inadequate nutrition influences the alteration of biochemical tests. Elevated serum levels of macronutrients such as carbohydrate, protein and lipid, as well as micronutrients: phosphorus, potassium and sodium directly affect the quality of life of hemodialysis patients, as they attribute other symptoms to the pathology in question.
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Saha, Pradip, Santanu Ghorai, Bipan Tudu, Rajib Bandyopadhyay et Nabarun Bhattacharyya. « Electronic Tongue for Tea Quality Assessment ». Dans Advances in Systems Analysis, Software Engineering, and High Performance Computing, 108–28. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2584-5.ch007.

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Biochemical means of tea quality evaluation is quite accurate, but it requires very costly instruments and takes a long time to conduct the experiment. Researches show that thearubigin (TR) and theaflavin (TF) are the two most important biochemical compounds present in tea liquor on which liquor characteristics of black CTC tea depends. Consequently, this fact may be the basis of determining tea quality by assessment of TR and TF via electronic tongue (ET) response. This technique is free from subjective factors. In literature, there are only two research works using this technique so more research work is required to address the problem. This chapter proposes a modeling technique of ET response using sparse decomposition technique to estimate TR and TF content in a given tea sample. For each tea sample, sparse model coefficients obtained from the ET response is considered as a characteristic attribute of it. Experimental results using dissimilar regression models show high prediction accuracies which justify the efficacy of the proposed method.
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Gaffin, Douglas, et Philip Brownell. « Chemosensory Behavior and Physiology ». Dans Scorpion Biology and Research, 184–203. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195084344.003.0007.

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Abstract Of all the sensory capacities animals possess, the ability to access chemical content of the surrounding environment is most primitive and influential: visual, auditory, and mechanosensory systems often guide animals to food and prospective mates, but it is the chemistry of contact that most often dominates the release of adaptive behaviors. It is paradoxical, therefore, that of all the senses used by animals, the chemical senses remain least understood at the physiological and biochemical levels. This is perhaps attribute able to the enormous diversity of chemical substances in natural environments and to the complexity of peripheral and central nervous systems that process chemosensory information.
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Lafer, Eileen M., Margaret McCuiston et Ann Swanson. « Yoga Therapy ». Dans Handbook of Research on Evidence-Based Perspectives on the Psychophysiology of Yoga and Its Applications, 159–78. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3254-6.ch010.

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This chapter reviews the evidence supporting the efficacy of yoga therapy for wellness, and as an adjunct to standard care for a number of chronic conditions. The underlying mechanisms are explored, including the physiological and biochemical changes that have been observed in yoga practitioners. Yoga has been found to activate the relaxation response—a physiological state which reduces stress on bodily systems. Yoga leads to changes in gene expression, including decreases in the expression of genes involved in stress and inflammation. The positive effects of yoga therapy are interpreted through the lens of the biopsychosocial-spiritual model, which cultivates eudaimonic well-being and salutogenesis. Researchers attribute a wide range of yoga's therapeutic benefits largely to its whole-person approach to well-being.
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Cui, Ning, Min Hu et Raouf A. Khalil. « Biochemical and Biological Attributes of Matrix Metalloproteinases ». Dans Progress in Molecular Biology and Translational Science, 1–73. Elsevier, 2017. http://dx.doi.org/10.1016/bs.pmbts.2017.02.005.

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Hochachka, Peter W., et George N. Somero. « The Goals and Scope of This Volume ». Dans Biochemical Adaptation, 3–19. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780195117028.003.0001.

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Abstract The central question to be addressed in this volume is, How have living systems, which are based on a common set of biochemical structures and processes and subject to a common set of physical–chemical laws, been able to adapt to the enormously wide spectrum of environmental conditions found in the biosphere? The biosphere comprises habitats having a remarkably varied set of physical, chemical, and biotic characteristics, many of which seem “extreme” or “highly stressful” from our human perspective as a 37°C species living on the planet’s surface and exposed to an oxygen-rich atmosphere. The diversity of life forms found in the varied habitats of the biosphere indicates how successful adaptation has been in allowing exploitation of virtually all regions of the earth’s land and waters. Yet we can ask whether the diversity we find in morphology and other highly visible attributes of organisms is paired with a high degree of adaptive diversification at the biochemical level. Are all organisms relatively alike “under the skin,” that is to say, biochemically, despite their vast differences in habitat preferences, body plan, and mode of life? As we will learn, the answer to this question represents a fascinating combination of “yes” and “no.” To develop this answer, we will first characterize the adaptational challenges facing biochemical systems and then examine how these systems have been modified through evolution to permit the same fundamental types of structures and processes to be sustained in all organisms, in all environments.
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Actes de conférences sur le sujet "Biochemical Attribute"

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Rytenkova, O. I., et A. N. Volkov. « BIOCHEMICAL PARAMETERS OF BLOOD IN PREGNANT WOMEN NORMALLY AND WITH CHROMOSOMAL PATHOLOGY OF THE FETUS ». Dans I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies”. Kemerovo State University, 2023. http://dx.doi.org/10.21603/conferencearticle_63edabf15da447.93685177.

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As part of the prenatal screening of the first trimester of pregnancy, biochemical parameters of blood were analyzed in 1214 women. The level of serum markers β-hCG and PAPP-A in pregnant women are sensitive indicators of chromosomal pathology of the fetus. With trisomy on the 21st chromosome, an increase in the content of β-hCG and a decrease in the level of PAPP-A are often observed in the patient's blood. With fetal trisomy on chromosome 18, both indicators show a tendency to a significant decrease relative to the norm. It should be taken in account that both with fetal euploidy and with chromosomal abnormalities, atypical values of indicators can be established, which requires the involvement of additional markers in the analysis. In any case, biochemical analysis allows only to establish the likelihood of the presence of pathology of the fetus and attribute pregnancy to the risk group. The final conclusion about the presence or absence of chromosomal pathology can only be given by a cytogenetic analysis of the fetal material.
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Kiehl, Thomas R. « Evolving biochemical reaction networks with stochastic attributes ». Dans the 11th annual conference companion. New York, New York, USA : ACM Press, 2009. http://dx.doi.org/10.1145/1570256.1570277.

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Kurcubic, Vladimir, Slavisa Stajic et Nemanja Miletic. « UTICAJ ODREĐENIH STRESOGENIH FAKTORA NA KVALITET GOVEĐEG MESA ». Dans XXVI savetovanje o biotehnologiji sa međunarodnim učešćem. University of Kragujevac, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.473k.

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Stress inevitably occurs from farm to slaughter in modern cattle breeding. The effects of stress on behavior, physiological status, and meat quality have been examined by a number of authors. The mechanism of the effects of stress on physiological and biochemical changes and the consequent effects on meat quality attributes are significantly more limited. This review summarizes the primary stress factors that affect animal welfare and cause biochemical changes during the early postmortem period, which reduces the quality of carcasses and their nutritional quality. In order to obtain high quality meat, further studies are needed to uncover the complex mechanisms mentioned above.
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Khan, Rashid Abbas. « Effect of Aqueous Extract of Sunflower on Morphological, Biochemical Attributes and Antioxidant Enzymes Activities of Wheat (Triticum aestivum L.) ». Dans IBRAS 2021 INTERNATIONAL CONFERENCE ON BIOLOGICAL RESEARCH AND APPLIED SCIENCE. Juw, 2021. http://dx.doi.org/10.37962/ibras/2021/27-28.

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NIADA, R., R. Porta, R. Tettamanti, R. Pescador, M. Mantovani et G. Prino. « DEFIBROTIDE IN EXPERIMENTAL MYOCARDIAL ISCHEMIA IN THE CAT : EFFECTS ON HEMODYNAMICS, ENERGY METABOLISM AND INFARCT SIZE ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643152.

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Defibrotide was able to prevent the hemodynamic and biochemical alterations caused by acute myocardial ischemia (AMI) induced by coronary occlusion in the cat when infused 3.5 h before and 5 h after left anterior descending coronary artery (LAD) occlusion. In the platelet perfused heart, Defibrotide was a selective stimulator of coronary vascular PGI^ but not of platelet thromboxane formation. The present study was designed both to investigate the effects of Defibrotide injected 30 min after the induction of acute myocardial ischemia (AMI) in the cat and to evaluate the ability of this drug to reduce infarct size. In the first set of experiments a permanent ligature (5 hours) was placed around LAD. ST segment from ECG, mean aortic pressure (MAP), heart rate (HR) and the pressure-heart rate index (PRI) were considered. Plasma and tissue creatine phosphckinase activity (CFK), tissue lactate and ATP were measured by enzymatic kits from Boehringer Biochemia. 30 min after coronary occlusion a loading dose of Defibrotide (32 ng Kg-1 ) was administered i.v. immediately followed by an infusion (32 ng Kg-1 h 4.5 h-1) MAP, HR and PRI were not modified either by AMI or by the infusion of Defibrotide. AMI-ST segment increases were reduced by Defibrotide from 0.5 h after the beginning of the treatment (—49% vs. AMI control) to the and of experiments (-83% vs. AMI control after 5 h occlusion period). Plasma CFK was reduced from 2.5 h after the beginning of the treatment (-29%) till the end of experiments (-52%). Ischemic tissue CFK, lactate and ATP were normalized by Defibrotide. In the second set of experiments the animals were infused with Defibrotide (50 or 200 mg Kg-1 h-1 , i.v.) starting 2 hours before coronary ligature. The infusion was maintained throughout the 5 h occlusion period. The risk and infarct areas were measured by Evans blu and nitroblue tetrazoliun staining. The 51 ± 3% of risk area was infarcted in AMI control cats. Defibrotide at the two tested doses significantly reduced these infarct areas to 42 ± 4% and 34 ± 2% of risk areas respectively. The beneficial effects of Defibrotide observed in AMI could be attributed both to its ability to enhance PGI2 release from vascular walls and to improved local tissue oxygenation and energy supplies. However it could be taken into account a direct cytoprotective action.
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Fathy, Ahmed, Anas M. Hassan, Mohammad B. Abdullah, Emad W. Al-Shalabi, Fabio Bordeaux Rego, Mojdeh Delshad et Kamy Sepehrnoori. « Numerical Study on Tackling Microbial Reservoir Souring During Engineered Water Injection ». Dans SPE Improved Oil Recovery Conference. SPE, 2024. http://dx.doi.org/10.2118/218236-ms.

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Abstract Sulfate-reducing bacteria (SRB) activity in reservoirs causes several challenges related to reservoir souring during waterflooding. Sulfate removal units are utilized as a souring treatment solution; however, these units are expensive, and the discussion becomes more relevant when using engineering water injection (EWI) and its related benefits. In the present study, a biochemical numerical model was developed to capture a laboratory continuous up-flow packed-bed bioreactor testing using suitable microbial growth and metabolite production kinetic models. The capabilities of modeling microbial souring treatments at the laboratory and field scales during EWI were explored in this study. We employed a reservoir simulator model with a fairly simple but metabolically accurate description of competing bacterial kinetic processes. The proposed model captured the detailed mechanistic examinations of SRB and NR-SOB activities in a laboratory bioreactor alongside predicting the impacts of different influential parameters on SRB growth at a field scale model. In the absence of detailed data, the findings appear to be compatible with established characteristics of microbial growth. The results showed that the developed 1D model was successful in history matching the increase in the generated H2S at the end of SRB growth duration in the bioreactor laboratory experiment. Moreover, the treatment was deemed successful since nitrate-reducing sulfide oxidizing bacteria (NR-SOB) commenced to grow as the nitrate was injected gradually. This resulted in complete mitigation of the H2S generated supported by the NR-SOB oxidation equation. The 1D model was tuned by division factor and reaction rate constant to match better the experimental data for H2S and H2SO4 concentrations’ change. For the 3D field-scale model, the findings showed that temperature reduction from mixing between injected and formation waters triggered H2S generation reaction and accumulation at the injector. Subsequently, it was observed that the front was moving till a breakthrough at the injector after almost 5 months where it stabilized for three months and then sharply dropped as most of the volatile fatty acid (VFA) was consumed limiting the further generation of H2S. Furthermore, SRB in the developed reservoir model seems to be more active at an optimum injected water temperature of 40 °C. Moreover, when engineered water was injected in a heterogeneous system, the generated H2S and souring onset were spiked by 2 times as opposed to that of the homogeneous system, attributed to better mixing of the engineered water injected and the formation water. This study accounts for SRB generation as well as heterogeneity and injected water temperature implications on H2S generated by engineered water injection within a unified biogeochemical model. This approach offers a straightforward yet comprehensive workflow for predicting and managing reservoir souring. By addressing fundamental mechanisms often overlooked, the proposed method brings a practical advancement to field operations and broadens the understanding of reservoir management and engineered water injection methods.
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Rapports d'organisations sur le sujet "Biochemical Attribute"

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Moran, Nava, Richard Crain et Wolf-Dieter Reiter. Regulation by Light of Plant Potassium Uptake through K Channels : Biochemical, Physiological and Biophysical Study. United States Department of Agriculture, septembre 1995. http://dx.doi.org/10.32747/1995.7571356.bard.

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The swelling of plant motor cells is regulated by various signals with almost unknown mediators. One of the obligatory steps in the signaling cascade is the activation of K+-influx channels -K+ channels activated by hyperpolarization (KH channels). We thus explored the regulation of these channels in our model system, motor cell protoplasts from Samanea saman, using patch-clamp in the "whole cell" configuration. (a) The most novel finding was that the activity of KH channels in situ varied with the time of the day, in positive correlation with cell swelling: in Extensor cells KH channels were active in the earlier part of the day, while in Flexor cells only during the later part of the day; (b) High internal pH promoted the activity of these channels in Extensor cells, opposite to the behavior of the equivalent channels in guard cells, but in conformity with the predicted behavior of the putative KH channel, cloned from S. saman recently; (c) HIgh external K+ concentration increased (KH channel currents in Flexor cells. BL depolarized the Flexor cells, as detected in cell-attached patch-clamp recording, using KD channels (the K+-efflux channels) as "voltage-sensing devices". Subsequent Red-Light (RL) pulse followed by Darkness, hyperpolarized the cell. We attribute these changes to the inhibition of the H+-pump by BL and its reactivation by RL, as they were abolished by an H+-pump inhibitor. BL increased also the activity KD channels, in a voltage-independent manner - in all probability by an independent signaling pathway. Blue-Light (BL), which stimulates shrinking of Flexor cells, evoked the IP3 signaling cascade (detected directly by IP3 binding assay), known to mobilize cytosolic Ca2+. Nevertheless, cytosolic Ca2+ . did not activate the KD channel in excised, inside-out patches. In this study we established a close functional similarity of the KD channels between Flexor and Extensior cells. Thus the differences in their responses must stem from different links to signaling in both cell types.
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