731 research outputs found

    Mejoramiento de suelos arcillosos, utilizando cal en la sub rasante de pavimentos, pasaje El Porvenir, sector el Parral, Jaén, Cajamarca 2022

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    El desarrollo del presente proyecto “Mejoramiento de suelos arcillosos utilizando cal en la sub rasante de pavimentos, pasaje El Porvenir, sector el Parral, Jaén, Cajamarca 2022”. Tiene como objetivos a). de Clasificar las muestras de suelos mediante sus ensayos de granulometría, límites de Atterberg con el método AASTHO y SUCS, b). Determinar el contenido de humedad y la densidad seca del suelo, mediante el ensayo de Proctor modificado y c). Realizar ensayos de Californian Bearing Ratio (CBR), de muestras del suelo en estudio en estado natural y con diferentes con los porcentajes de cal del 7%, 10% y 12%. Cuyos resultados en las tablas muestra las cantidades en porcentaje de material que pasan por los varios tamices la cual se puede apreciar claramente que el material predominante según la clasificación SUCS. En su conclusión los estudios realizados se comprobaron que con una adición de cal del 12% al suelo natural el CBR incrementó, esto significa que el nuevo valor de CBR al 100% de la MDS estabilizado fue de 15.50%

    Surgical treatment for colorectal cancer: Analysis of the influence of an enhanced recovery programme on long-term oncological outcomes-a study protocol for a prospective, multicentre, observational cohort study

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    Introduction The evidence currently available from enhanced recovery after surgery (ERAS) programmes concerns their benefits in the immediate postoperative period, but there is still very little evidence as to whether their correct implementation benefits patients in the long term. The working hypothesis here is that, due to the lower response to surgical aggression and lower rates of postoperative complications, ERAS protocols can reduce colorectal cancer-related mortality. The main objective of this study is to analyse the impact of an ERAS programme for colorectal cancer on 5-year survival. As secondary objectives, we propose to analyse the weight of each of the predefined items in the oncological results as well as the quality of life. Methods and analysis A multicentre prospective cohort study was conducted in patients older than 18 years of age who are scheduled to undergo surgery for colorectal cancer. The study involved 12 hospitals with an implemented enhanced recovery protocol according to the guidelines published by the Spanish National Health Service. The intervention group includes patients with a minimum implementation level of 70%, and the control group includes those who fail to reach this level. Compliance will be studied using 18 key performance indicators, and the results will be analysed using cancer survival indicators, including overall survival, cancer-specific survival and relapse-free survival. The time to recurrence, perioperative morbidity and mortality, hospital stay and quality of life will also be studied, the latter using the validated EuroQol Five questionnaire. The propensity index method will be used to create comparable treatment and control groups, and a multivariate regression will be used to study each variable. The Kaplan-Meier estimator will be used to estimate survival and the log-rank test to make comparisons. A p value of less than 0.05 (two-tailed) will be considered to be significant. Ethics and dissemination Ethical approval for this study was obtained from the Aragon Ethical Committee (C.P.-C.I. PI20/086) on 4 March 2020. The findings of this study will be submitted to peer-reviewed journals (BMJ Open, JAMA Surgery, Annals of Surgery, British Journal of Surgery). Abstracts will be submitted to relevant national and international meetings.The present research study was awarded a Ministerio de Ciencia e Innovación health research project grant (PI19/00291) from the Carlos III Institute of the Spanish National Health Service as part of the 2019 call for Strategic Action in Health

    Antimicrobial resistance among migrants in Europe: a systematic review and meta-analysis

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    BACKGROUND: Rates of antimicrobial resistance (AMR) are rising globally and there is concern that increased migration is contributing to the burden of antibiotic resistance in Europe. However, the effect of migration on the burden of AMR in Europe has not yet been comprehensively examined. Therefore, we did a systematic review and meta-analysis to identify and synthesise data for AMR carriage or infection in migrants to Europe to examine differences in patterns of AMR across migrant groups and in different settings. METHODS: For this systematic review and meta-analysis, we searched MEDLINE, Embase, PubMed, and Scopus with no language restrictions from Jan 1, 2000, to Jan 18, 2017, for primary data from observational studies reporting antibacterial resistance in common bacterial pathogens among migrants to 21 European Union-15 and European Economic Area countries. To be eligible for inclusion, studies had to report data on carriage or infection with laboratory-confirmed antibiotic-resistant organisms in migrant populations. We extracted data from eligible studies and assessed quality using piloted, standardised forms. We did not examine drug resistance in tuberculosis and excluded articles solely reporting on this parameter. We also excluded articles in which migrant status was determined by ethnicity, country of birth of participants' parents, or was not defined, and articles in which data were not disaggregated by migrant status. Outcomes were carriage of or infection with antibiotic-resistant organisms. We used random-effects models to calculate the pooled prevalence of each outcome. The study protocol is registered with PROSPERO, number CRD42016043681. FINDINGS: We identified 2274 articles, of which 23 observational studies reporting on antibiotic resistance in 2319 migrants were included. The pooled prevalence of any AMR carriage or AMR infection in migrants was 25·4% (95% CI 19·1-31·8; I2 =98%), including meticillin-resistant Staphylococcus aureus (7·8%, 4·8-10·7; I2 =92%) and antibiotic-resistant Gram-negative bacteria (27·2%, 17·6-36·8; I2 =94%). The pooled prevalence of any AMR carriage or infection was higher in refugees and asylum seekers (33·0%, 18·3-47·6; I2 =98%) than in other migrant groups (6·6%, 1·8-11·3; I2 =92%). The pooled prevalence of antibiotic-resistant organisms was slightly higher in high-migrant community settings (33·1%, 11·1-55·1; I2 =96%) than in migrants in hospitals (24·3%, 16·1-32·6; I2 =98%). We did not find evidence of high rates of transmission of AMR from migrant to host populations. INTERPRETATION: Migrants are exposed to conditions favouring the emergence of drug resistance during transit and in host countries in Europe. Increased antibiotic resistance among refugees and asylum seekers and in high-migrant community settings (such as refugee camps and detention facilities) highlights the need for improved living conditions, access to health care, and initiatives to facilitate detection of and appropriate high-quality treatment for antibiotic-resistant infections during transit and in host countries. Protocols for the prevention and control of infection and for antibiotic surveillance need to be integrated in all aspects of health care, which should be accessible for all migrant groups, and should target determinants of AMR before, during, and after migration. FUNDING: UK National Institute for Health Research Imperial Biomedical Research Centre, Imperial College Healthcare Charity, the Wellcome Trust, and UK National Institute for Health Research Health Protection Research Unit in Healthcare-associated Infections and Antimictobial Resistance at Imperial College London

    Overview of recent TJ-II stellarator results

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    The main results obtained in the TJ-II stellarator in the last two years are reported. The most important topics investigated have been modelling and validation of impurity transport, validation of gyrokinetic simulations, turbulence characterisation, effect of magnetic configuration on transport, fuelling with pellet injection, fast particles and liquid metal plasma facing components. As regards impurity transport research, a number of working lines exploring several recently discovered effects have been developed: the effect of tangential drifts on stellarator neoclassical transport, the impurity flux driven by electric fields tangent to magnetic surfaces and attempts of experimental validation with Doppler reflectometry of the variation of the radial electric field on the flux surface. Concerning gyrokinetic simulations, two validation activities have been performed, the comparison with measurements of zonal flow relaxation in pellet-induced fast transients and the comparison with experimental poloidal variation of fluctuations amplitude. The impact of radial electric fields on turbulence spreading in the edge and scrape-off layer has been also experimentally characterized using a 2D Langmuir probe array. Another remarkable piece of work has been the investigation of the radial propagation of small temperature perturbations using transfer entropy. Research on the physics and modelling of plasma core fuelling with pellet and tracer-encapsulated solid-pellet injection has produced also relevant results. Neutral beam injection driven Alfvénic activity and its possible control by electron cyclotron current drive has been examined as well in TJ-II. Finally, recent results on alternative plasma facing components based on liquid metals are also presentedThis work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014–2018 under Grant Agreement No. 633053. It has been partially funded by the Ministerio de Ciencia, Inovación y Universidades of Spain under projects ENE2013-48109-P, ENE2015-70142-P and FIS2017-88892-P. It has also received funds from the Spanish Government via mobility grant PRX17/00425. The authors thankfully acknowledge the computer resources at MareNostrum and the technical support provided by the Barcelona S.C. It has been supported as well by The Science and Technology Center in Ukraine (STCU), Project P-507F

    Effect of surgical experience and spine subspecialty on the reliability of the {AO} Spine Upper Cervical Injury Classification System

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    OBJECTIVE The objective of this paper was to determine the interobserver reliability and intraobserver reproducibility of the AO Spine Upper Cervical Injury Classification System based on surgeon experience (< 5 years, 5–10 years, 10–20 years, and > 20 years) and surgical subspecialty (orthopedic spine surgery, neurosurgery, and "other" surgery). METHODS A total of 11,601 assessments of upper cervical spine injuries were evaluated based on the AO Spine Upper Cervical Injury Classification System. Reliability and reproducibility scores were obtained twice, with a 3-week time interval. Descriptive statistics were utilized to examine the percentage of accurately classified injuries, and Pearson’s chi-square or Fisher’s exact test was used to screen for potentially relevant differences between study participants. Kappa coefficients (κ) determined the interobserver reliability and intraobserver reproducibility. RESULTS The intraobserver reproducibility was substantial for surgeon experience level (< 5 years: 0.74 vs 5–10 years: 0.69 vs 10–20 years: 0.69 vs > 20 years: 0.70) and surgical subspecialty (orthopedic spine: 0.71 vs neurosurgery: 0.69 vs other: 0.68). Furthermore, the interobserver reliability was substantial for all surgical experience groups on assessment 1 (< 5 years: 0.67 vs 5–10 years: 0.62 vs 10–20 years: 0.61 vs > 20 years: 0.62), and only surgeons with > 20 years of experience did not have substantial reliability on assessment 2 (< 5 years: 0.62 vs 5–10 years: 0.61 vs 10–20 years: 0.61 vs > 20 years: 0.59). Orthopedic spine surgeons and neurosurgeons had substantial intraobserver reproducibility on both assessment 1 (0.64 vs 0.63) and assessment 2 (0.62 vs 0.63), while other surgeons had moderate reliability on assessment 1 (0.43) and fair reliability on assessment 2 (0.36). CONCLUSIONS The international reliability and reproducibility scores for the AO Spine Upper Cervical Injury Classification System demonstrated substantial intraobserver reproducibility and interobserver reliability regardless of surgical experience and spine subspecialty. These results support the global application of this classification system

    Red Argentina de Parcelas Permanentes de Bosques Nativos para promover colaboraciones científicas en estudios de largo plazo

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    Las parcelas forestales permanentes son áreas de muestreo donde se registran periódicamente la identidad, abundancia y tamaño de los árboles, para estudiar cómo cambian los bosques en relación con el clima, los disturbios naturales y los usos y manejos. Hasta hoy, los patrones de cambio observados con parcelas permanentes en la Argentina tuvieron alcance local o regional. Para potenciar los vínculos entre los diferentes grupos de trabajo que promuevan colaboraciones a escalas intra- e inter-regionales creamos la Red Argentina de Parcelas Permanentes de Bosques Nativos (RAPP), abarcando las regiones forestales de los Bosques Andino-Patagónicos, Chaco Seco, Chaco Húmedo, Monte de Sierras y Bolsones, Monte de Llanuras y Mesetas, Selva Paranaense y Yungas. Aquí sintetizamos y caracterizamos la información de 317 parcelas permanentes (328.9 ha) incluidas en la RAPP, describiendo su distribución geográfica, objetivos, principales aspectos metodológicos y características de los bosques donde están establecidas (e.g., disturbios, tenencia de la tierra, estructura, riqueza de especies). Asimismo, se discute la complementariedad entre la RAPP y los inventarios nacionales de bosques nativos. Las parcelas se distribuyen entre 22.02° y 54.89° S y entre 19 y 2304 m s. n. m., aunque están concentradas principalmente en el Subtrópico (Chaco Seco, Chaco Húmedo, Selva Paranaense y Yungas) y en los Bosques Andino-Patagónicos. En todas las parcelas se identifica la taxonomía de los árboles y se miden diferentes variables dasométricas, fundamentales para responder preguntas ecológicas a una mayor escala mediante colaboraciones. Esperamos continuar incorporando grupos de trabajo a la RAPP e incentivar el establecimiento de nuevas parcelas permanentes en regiones poco representadas (e.g., Monte, Espinal y Delta e Islas del Paraná). La meta es que la RAPP permita avanzar en el estudio a largo plazo de todos los bosques nativos de la Argentina, aumentando la cobertura nacional y las interacciones entre los grupos de trabajo.Permanent forest plots are sampling areas where tree identity, abundance and size are recorded periodically, in order to study how forests change with climate, natural disturbances, uses and management. So far, patterns of change observed with permanent plots in Argentina have been local or regional. To promote scientific collaborations between different research groups within and among regions of Argentina, we created the Network of Permanent Plots of Native Argentinian Forests (RAPP), which includes the regions of Bosques Andino-Patagónicos, Chaco Seco, Chaco Húmedo, Monte de Sierras y Bolsones, Monte de Llanuras y Mesetas, Selva Paranaense and Yungas. Here we synthesize and characterize the information of 317 permanent plots (328.9 ha) included in the RAPP, describing their geographic distribution, objectives, main methodological aspects, and characteristics of the forests where they are established (e.g., disturbance, land tenure, structure, species richness), and after that, discuss the complementarity between the RAPP and the national inventories of native forests. Permanent plots are established over a wide range of latitude (22.02-54.89° S) and elevation (19 a 2304 m a. s. l.), but they are mainly concentrated in Subtropics (Chaco Seco, Chaco Húmedo, Selva Paranaense, and Yungas) and in Bosques Andino-Patagónicos. In all plots, trees are taxonomically identified and different dasometric variables are remeasured, which are the basis for potential collaborations to answer ecological questions at a larger scale. We hope to continue incorporating working groups in the RAPP and encouraging the establishment of plots, mainly in regions with a low number of permanent plots such as Monte, Espinal, and Delta e Islas del Paraná. The goal is that the RAPP advances in the long-term study of all native forests in Argentina, achieving a greater national cover and more interactions among research teams.Estación Experimental Agropecuaria BarilocheFil: Ceballos, Sergio Javier. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Blundo, Cecilia. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Malizia, Agustina. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Osinaga Acosta, Oriana. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Carilla, Julieta. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Grau, Hector Ricardo. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Cuchietti, Anibal. Ministerio de Ambiente y Desarrollo Sostenible de la Nación. Dirección Nacional de Bosques; ArgentinaFil: Campanello, Paula Inés. Universidad Nacional de la Patagonia San Juan Bosco. Facultad de Ingeniería; ArgentinaFil: Gasparri, Ignacio. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Gatti, Genoveva. Universidad Nacional de Misiones. Instituto de Biología Subtropical; ArgentinaFil: Loto, Dante. Universidad Nacional de Santiago del Estero. Instituto de Biología Subtropical; ArgentinaFil: Martinez Pastur, Guillermo. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Austral de Investigaciones Cientificas. Laboratorio de recursos agroforestales; ArgentinaFil: Saucedo Miranda, Jimena. Ministerio de Ambiente y Desarrollo Sostenible de la Nación. Dirección Nacional de Bosques; ArgentinaFil: Amoroso, Mariano. Universidad Nacional de Río Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Andino, Natalia. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro de Investigaciones de la Geosfera y Biosfera; ArgentinaFil: Arpigiani, Daniela. Universidad Nacional de Río Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Aschero, Valeria. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto Argentino de Nivologia, Glaciologia y Ciencias Ambientales; ArgentinaFil: Barberis, Ignacio Martin. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Instituto de Investigaciones en Ciencias Agrarias de Rosario; ArgentinaFil: Bedrij, Natalia Alejandra. Universidad Nacional de Misiones. Instituto de Biología Subtropical; ArgentinaFil: Nicora Chequin, Renata. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botanica del Nordeste; ArgentinaFil: Chillo, María Verónica. Instituto Nacional de Tecnologia Agropecuaria (INTA). Estacion Experimental Agropecuaria Bariloche. Agencia de Extension Rural El Bolson; ArgentinaFil: Chillo, María Verónica. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; ArgentinaFil: Eibl, Beatriz. Universidad Nacional de Misiones. Facultad de Ciencias Forestales; ArgentinaFil: Eliano, Pablo. Asociación Forestal Industrial de Jujuy; ArgentinaFil: Fernandez, Romina Daiana. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Garibaldi, Lucas Alejandro. Universidad Nacional de Río Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Giannoni, Stella. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro de Investigaciones de la Geosfera y Biosfera; ArgentinaFil: Goldenberg, Matias Guillermo. Universidad Nacional de Río Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Gonzalez Peñalba, Marcelo. Administracion Nacional de Parques Nacionales. Parque Nacional Lanin; ArgentinaFil: Jimenez, Yohana Gisell. Universidad Nacional de Tucuman. Instituto de Ecologia Regional; ArgentinaFil: Kees, Sebastian. Instituto Nacional de Tecnologia Agropecuaria (INTA). Estacion Experimental Agropecuaria Saenz Peña. Campo Anexo Estacion Forestal Plaza; ArgentinaFil: Klekailo, Graciela Noemi. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; ArgentinaFil: Lara, Martin. Administracion Nacional de Parques Nacionales. Parque Nacional Lanin; ArgentinaFil: Mac Donagh, Patricio. Universidad Nacional de Misiones. Facultad de Ciencias Forestales; ArgentinaFil: Malizia, Lucio Ricardo. Universidad Nacional de Jujuy. Centro de Estudios Territoriales Ambientales y Sociales; ArgentinaFil: Mazzini, Flavia. Universidad Nacional de Jujuy. Centro de Estudios Territoriales Ambientales y Sociales; ArgentinaFil: Medina, Walter Adrian. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Instituto de Investigaciones en Ciencias Agrarias de Rosario; ArgentinaFil: Oddi, Facundo Jose.Universidad Nacional de Río Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; ArgentinaFil: Paredes, Dardo. Ministerio de Agricultura, Ganadería y Pesca de Tierra del Fuego. Dirección General de Desarrollo Forestal; ArgentinaFil: Peri, Pablo Luis. Instituto Nacional de Tecnologia Agropecuaria (INTA). Estacion Experimental Agropecuaria Santa Cruz; ArgentinaFil: Peri, Pablo Luis. Universidad Nacional de la Patagonia Austral; ArgentinaFil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Persini, Carlos. Fundación Huellas para un Futuro, Reserva, Refugio y Estación Biológica Aponapó. ArgentinaFil: Prado, Darien Eros. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Instituto de Investigaciones en Ciencias Agrarias de Rosario; ArgentinaFil: Salas, Roberto Manuel. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botanica del Nordeste; ArgentinaFil: Srur, Ana. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto Argentino de Nivologia, Glaciologia y Ciencias Ambientales; ArgentinaFil: Villagra, Mariana. Universidad Nacional de Misiones. Instituto de Biología Subtropical; ArgentinaFil: Zelaya, Patricia. Universidad Nacional de Santiago del Estero. Facultad de Humanidades, Ciencias Sociales y de la Salud. Instituto de Estudios para el Desarrollo Social; ArgentinaFil: Villagra, Pablo Eugenio. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentin

    Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences

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    The question whether taxonomic descriptions naming new animal species without type specimen(s) deposited in collections should be accepted for publication by scientific journals and allowed by the Code has already been discussed in Zootaxa (Dubois & Nemésio 2007; Donegan 2008, 2009; Nemésio 2009a–b; Dubois 2009; Gentile & Snell 2009; Minelli 2009; Cianferoni & Bartolozzi 2016; Amorim et al. 2016). This question was again raised in a letter supported by 35 signatories published in the journal Nature (Pape et al. 2016) on 15 September 2016. On 25 September 2016, the following rebuttal (strictly limited to 300 words as per the editorial rules of Nature) was submitted to Nature, which on 18 October 2016 refused to publish it. As we think this problem is a very important one for zoological taxonomy, this text is published here exactly as submitted to Nature, followed by the list of the 493 taxonomists and collection-based researchers who signed it in the short time span from 20 September to 6 October 2016

    BLOOM: A 176B-Parameter Open-Access Multilingual Language Model

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    Large language models (LLMs) have been shown to be able to perform new tasks based on a few demonstrations or natural language instructions. While these capabilities have led to widespread adoption, most LLMs are developed by resource-rich organizations and are frequently kept from the public. As a step towards democratizing this powerful technology, we present BLOOM, a 176B-parameter open-access language model designed and built thanks to a collaboration of hundreds of researchers. BLOOM is a decoder-only Transformer language model that was trained on the ROOTS corpus, a dataset comprising hundreds of sources in 46 natural and 13 programming languages (59 in total). We find that BLOOM achieves competitive performance on a wide variety of benchmarks, with stronger results after undergoing multitask prompted finetuning. To facilitate future research and applications using LLMs, we publicly release our models and code under the Responsible AI License

    Mitochondrial physiology

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    As the knowledge base and importance of mitochondrial physiology to evolution, health and disease expands, the necessity for harmonizing the terminology concerning mitochondrial respiratory states and rates has become increasingly apparent. The chemiosmotic theory establishes the mechanism of energy transformation and coupling in oxidative phosphorylation. The unifying concept of the protonmotive force provides the framework for developing a consistent theoretical foundation of mitochondrial physiology and bioenergetics. We follow the latest SI guidelines and those of the International Union of Pure and Applied Chemistry (IUPAC) on terminology in physical chemistry, extended by considerations of open systems and thermodynamics of irreversible processes. The concept-driven constructive terminology incorporates the meaning of each quantity and aligns concepts and symbols with the nomenclature of classical bioenergetics. We endeavour to provide a balanced view of mitochondrial respiratory control and a critical discussion on reporting data of mitochondrial respiration in terms of metabolic flows and fluxes. Uniform standards for evaluation of respiratory states and rates will ultimately contribute to reproducibility between laboratories and thus support the development of data repositories of mitochondrial respiratory function in species, tissues, and cells. Clarity of concept and consistency of nomenclature facilitate effective transdisciplinary communication, education, and ultimately further discovery

    Mitochondrial physiology

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    As the knowledge base and importance of mitochondrial physiology to evolution, health and disease expands, the necessity for harmonizing the terminology concerning mitochondrial respiratory states and rates has become increasingly apparent. The chemiosmotic theory establishes the mechanism of energy transformation and coupling in oxidative phosphorylation. The unifying concept of the protonmotive force provides the framework for developing a consistent theoretical foundation of mitochondrial physiology and bioenergetics. We follow the latest SI guidelines and those of the International Union of Pure and Applied Chemistry (IUPAC) on terminology in physical chemistry, extended by considerations of open systems and thermodynamics of irreversible processes. The concept-driven constructive terminology incorporates the meaning of each quantity and aligns concepts and symbols with the nomenclature of classical bioenergetics. We endeavour to provide a balanced view of mitochondrial respiratory control and a critical discussion on reporting data of mitochondrial respiration in terms of metabolic flows and fluxes. Uniform standards for evaluation of respiratory states and rates will ultimately contribute to reproducibility between laboratories and thus support the development of data repositories of mitochondrial respiratory function in species, tissues, and cells. Clarity of concept and consistency of nomenclature facilitate effective transdisciplinary communication, education, and ultimately further discovery
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