Considerations biological transport active. Medical search. Frequent questions

In a symporter, two substrates are transported in the same direction across the membrane. (wikipedia.org)

Active transport is essential for various physiological processes, such as nutrient uptake, hormone secretion, and nerve impulse transmission. (wikipedia.org)
Antiport and symport processes are associated with secondary active transport, meaning that one of the two substances is transported against its concentration gradient, utilizing the energy derived from the transport of another ion (mostly Na+, K+ or H+ ions) down its concentration gradient. (wikipedia.org)
The focus of McCarty's research, teaching, and writing has been on water, with a primary interest in biological processes for the control of environmental contamination. (stanford.edu)
His early research was on anaerobic treatment processes, biological processes for nitrogen removal and water reuse. (stanford.edu)
Retinoids are required for a vast number of biological processes. (medicobeauty.com)
Practically all the specific surface area of both Substrat Pro and MicroMec are in the range of pore diameters to be biologically useful, while some of the surface area of Matrix is in pores that are reserved for physical and chemical processes, not biological processes. (premiumaquatics.com)
As noted earlier, 80-90% of medical complaints resolve themselves via natural homeostatic processes, or without the necessary involvement of active biotechnological or molecular-nanotechnological agents. (nanomedicine.com)
This type of diversity in materials raises questions about the meaning of obsolescence and potential values of material engagement with biological processes and trajectories. (iiconservation.org)
Finally, Hauser's paper discusses the idea of "object-hood to process-based art" to describe the different practical and ethical processes (and pressures) required for staging, conserving and transporting bio-artworks. (iiconservation.org)

The report also contains general considerations, in particular on the principles of estimating dietary exposure from epidemiological studies, and on the modelling of dose-response data. (who.int)

In vitro studies have shown that the active form of vitamin D, calcitriol, acts in myocytes through genomic effects involving VDR activation in the cell nucleus to drive cellular differentiation and proliferation. (hindawi.com)
The first section of this chapter describes the unique power of in vitro studies and considerations for interpreting them. (nationalacademies.org)
While the reductionist approach of in vitro studies makes them powerful and inexpensive methods useful for learning about effects and mechanisms of actions of compounds, the reductionist approach also requires careful consideration of limitations. (nationalacademies.org)
In vitro studies, which have toxicity assessment has proceeded with limited consideration of the become an essential component of risk assessment-directed unique kinetics of these materials in solution. (cdc.gov)

Of all the members of the retinoid family, only retinoic acid is biologically active. (medicobeauty.com)
Estimates from two different pore geometries indicate that Matrix contains between 4 to 4.5 times the biologically active surface area of Substrat Pro, and between 8 to 9 times the biologically active surface area of MicroMec. (premiumaquatics.com)

Active transport is usually associated with accumulating high concentrations of molecules that the cell needs, such as ions, glucose and amino acids. (wikipedia.org)
Apart from the membrane transport of glucose, insulin also regulates the transport of some amino acids, some fatty acids, potassium, magnesium, and certain other monosaccharides. (weeksmd.com)
Whether utilized as building blocks, conformational constraints, molecular scaffolds, or pharmacologically active products, our unnatural amino acids represent a nearly infinite array of diverse structural elements for the development of new leads in peptidic and non-peptidic compounds. (sigmaaldrich.com)

In this study, we investigated the different characteristics of the first 150 COVID-19 patients in Lebanon, including the diagnostic criteria, outcome, demographics, and clinical, radiological and biological characteristics. (who.int)
The LRN was established in 1999, and it's an integrated domestic and international network of laboratories designed to respond quickly to biological, chemical, and radiological threats and other high-priority public health emergencies. (cdc.gov)

Documentation of the threshold limit values and biological exposure indices. (cdc.gov)
Threshold limit values for chemical substances and physical agents and biological exposure indices. (cdc.gov)
During events like the COVID-19 pandemic or a disaster, researchers may need to switch from collecting biological samples to personal exposure samplers that are easy and safe to transport and wear, such as silicone wristbands. (cdc.gov)
These results demonstrate that wristbands and urine provide similar PAH exposure assessment information, which is critical for environmental health researchers looking for the flexibility to switch between biological sample and wristband collection. (cdc.gov)

This process is in contrast to passive transport, which allows molecules or ions to move down their concentration gradient, from an area of high concentration to an area of low concentration, without energy. (wikipedia.org)
Unlike passive transport, which uses the kinetic energy and natural entropy of molecules moving down a gradient, active transport uses cellular energy to move them against a gradient, polar repulsion, or other resistance. (wikipedia.org)
The difference between passive transport and active transport is that the active transport requires energy, and moves substances against their respective concentration gradient, whereas passive transport requires no cellular energy and moves substances in the direction of their respective concentration gradient. (wikipedia.org)
Thermal comfort and the risk of overheating should be given full consideration in the earliest stages of design to ensure passive measures are prioritised over the use of more energy-intensive alternatives such as mechanical cooling. (westoxon.gov.uk)
A cell monolayer grown on a filtered-well is used to evaluate test compound movement between the insert (apical compartment -A) and the plate well (basal compartment -B ). Passive transport through the layer is determine by A-B flux, whereas active transporter will introduce a B-A distribution of compounds between the two compartments. (td2inc.com)
The cost per detected viraemic case was US$ 194 for passive screening alone and US$ 283 for passive and active screening combined. (who.int)
Combined active and passive screening per viraemic case detected was US$ 89 more expensive than passive screening alone but provided a higher yield (41% versus 28%) of viraemic cases. (who.int)
Therefore, adding active screening to passive screening is beneficial. (who.int)
In September 2018, after six months of passive necessary to ensure effective HCV service delivery and screening and to increase case detection, active screen- management in Cambodia and in countries with similar ing was added. (who.int)

The first of these membrane transport proteins was named SGLT1 followed by the discovery of SGLT2. (wikipedia.org)
In primary active transport, the proteins involved are pumps that normally use chemical energy in the form of ATP. (wikipedia.org)
This updated position stand includes new information and addresses the most important dietary protein categories that affect physically active individuals across domains such as exercise performance, body composition, protein timing, recommended intakes, protein sources and quality, and the preparation methods of various proteins. (biomedcentral.com)
Additionally, such designer made nanomaterials has potential to generate series of interactions with various biological entities including DNA, proteins, membranes, cells and organelles at nano-bio interface. (springeropen.com)

Despite numerous studies conducted on these carriers, their safety and efficacy still cannot be guaranteed, taking into consideration all aspects from their physical-chemical and biopharmaceutical properties to all the biological characteristics of living organisms. (mdpi.com)

In 1848, the German physiologist Emil du Bois-Reymond suggested the possibility of active transport of substances across membranes. (wikipedia.org)
Physiologically, the cell membranes of the body's tissues possess a variety of mechanisms through which substances on one side of a biomembrane may be selectively transported across to the other side. (weeksmd.com)
The hormone insulin is recognized as having actions that affect the trans-membrane transport of different substances, particularly glucose, into numerous different kinds of cells. (weeksmd.com)
The Regional Committee is invited to advise on the adoption of the attached draft guidelines on Stability Testing of Active Substances and Pharmaceutical Products in countries of the Eastern Mediterranean Region. (who.int)
These guidelines are intended to define the stability data package for active substances and pharmaceutical products that is sufficient for a registration application within countries of the World Health Organization's Eastern Mediterranean Region [1]. (who.int)
The guidelines address the information to be submitted in applications for registration of New Chemical Entities as well as existing active substances and their related pharmaceutical products for human use. (who.int)

1974. Biological handbooks: Biology data book, Vol 3. (cdc.gov)

Along with 295km of checked out caves as well as incredible biodiversity, this internet site is actually taken into consideration one of one of the most necessary biological web sites in the country. (lmms.info)
The fact that natural capital is scarce, and that loss of nature comes at a cost, is therefore not taken into consideration when decisions about production and consumption are made. (regjeringen.no)

Organized into seven chapters, this book begins with an overview of the design of biological reactors that involves determining operating conditions, sizing the reactor, controlling. (web.app)

we would do well once again to follow the lead of physiology and take a good look at some of these intelligently contrived mechanisms of membrane transport. (weeksmd.com)
With the help of enzymes, it is then converted to retinal for membrane transport. (medicobeauty.com)

Lipid nano-systems stand out as one of the most attractive vehicles that can fuse with endothelial cells and transport active compounds. (mdpi.com)

The discovery that a variety of tissues can express vitamin D receptor (VDR) has opened new ways of research related to vitamin D biological effects and molecular pathways [ 1 - 3 ]. (hindawi.com)
Used as molecular probes, they can help to better understand the function of biological systems. (sigmaaldrich.com)
Here we explore the translation of biological composites to engineering applications, using a variety of tools including molecular modeling, AI and machine learning, and experimental synthesis and characterization. (mrs.org)

This is due to physical limitations, specifically too small a volume to support bacterial growth, and the decreasing efficiency of fluid transport (necessary to carry nutrients to the bacteria and waste away from the bacteria) with very small pore sizes. (premiumaquatics.com)
Observes G.M. Fahy, 2271 "the difference between nanotechnologists and biotechnologists is that the former do not restrict themselves to the biological limitations of the latter, and they are much more ambitious about the kinds of accomplishments that they want to achieve. (nanomedicine.com)

2223 In recent times, the field has expanded to include genetic engineering and now takes as its ultimate goal no less than the engineering of all biological systems, even completely artificial organic living systems, using biological instrumentalities. (nanomedicine.com)

The gene was then discovered for intestinal glucose transport protein and linked to these membrane sodium glucose cotransport systems. (wikipedia.org)
Additionally, clinicians may benefit from diagnostic decision support systems, typically designed to generate a list of possible diagnoses for a given patient on the basis of clinical features, if these systems appropriately increase clinicians' consideration of bioterrorism agents. (cdc.gov)
Many of the considerations of bioreactor design involve questions of mass transport, conditions under which cells are able to grow and so forth, much as in noncommercial tissueengineering systems. (web.app)
and exterminates cockroaches and rats on transport systems. (innovations-report.com)
During recent years, the biotic ligand model (BLM) has been proposed as a tool to evaluate quantitatively the manner in which water chemistry affects the speciation and biological availability of metals in aquatic systems. (researchgate.net)
The results of his work have had profound consequences for understanding biological and ecological systems. (wessex.ac.uk)
An photochemical green active 2D systems( CFD) Intracranial Pressure and Brain Monitoring of clearfoundation problem power from production ice maps in theory anisotropies considered employed. (mariacocchiarelli.com)
Screening tools for the evaluation of a drug's ability to cross various biological membrane systems in a microplate format. (td2inc.com)

We cover the key points of the antibiotic resistance crisis and then explain the biological and evolutionary principles that support the use of phages, their interaction with the immune system, and a comparison with antibiotic therapy. (asm.org)

The model of "programmed obsolescence" in María and García's paper re-evaluates decay as part of biological interpretative practice that enables the continual function of an artwork made with food-based media. (iiconservation.org)
Dr. Julie Villanueva and other CDC subject matter experts discuss background details of the outbreak and share current best practice considerations for sample requirements, diagnostic testing, and biosafety around packing and shipping specimens that may contain the Ebola virus. (cdc.gov)

In cellular biology, active transport is the movement of molecules or ions across a cell membrane from a region of lower concentration to a region of higher concentration-against the concentration gradient. (wikipedia.org)

Nevertheless, recent development and atomic scale tailoring of various physical, chemical and surface properties of nanomaterials is promising to dictate their interaction in anticipated manner with biological entities for biomedical applications. (springeropen.com)

Examples of active transport include the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plants. (wikipedia.org)

Moreover, we can conjugate polyamino acids to active pharmaceutical ingredients (API) for your drug delivery use. (sigmaaldrich.com)
According to Article 2 of the WHO Constitution, WHO is required to "develop, establish and promote international standards with respect to food, biological, pharmaceutical and similar products. (who.int)
The purpose of stability testing is to provide evidence on how the quality of an active substance or pharmaceutical product varies with time under the influence of a variety of environmental factors such as temperature, humidity and light. (who.int)

Glyphosate is the active ingredient in the herbicide Roundup. (texasorganicresearchcenter.org)

Dysregulation of active transport can lead to various disorders, including cystic fibrosis, caused by a malfunctioning chloride channel, and diabetes, resulting from defects in glucose transport into cells. (wikipedia.org)

The proceedings were published as a book, Ecology of Biological Invasions: an Australian Perspective (Groves and Burdon 1986). (science.org.au)

The TEEB project was intended to provide a corresponding description of the economic significance of biological diversity and ecosystem services, and the costs we incur by degrading the ecosystems and their ability to deliver these services. (regjeringen.no)

A few examples, detergents are products that contain an active substance called surfactants or surface active material. (amenage-toit-bois.fr)

Knowledge of reaction kinetics is essential for an understanding of the working of a biological reactor. (web.app)

Giora Kritzman from the The Institute of Plant Protection, Israel gave details of the considerations for use of other toxins - formalin is under evaluation in Israel but very high use rates, a narrower spectrum and slower action count against it. (innovations-report.com)
This suggests the need for a tailored approach, taking into consideration the wide spectrum of presentation. (who.int)
Finally, a spectrum of concern figure is presented to integrate the considerations discussed. (nationalacademies.org)

The EU demonstrates active leadership and engagement on research and innovation policies with international organisations , such as various United Nations bodies and agencies, the Organisation for Economic Cooperation and Development (OECD) and its International Energy Agency (IEA), as well as in intergovernmental fora such as the G7 and G20. (europa.eu)
The twenty-four papers presented here reaffirm the past and continual commitment from artists, collections care professionals and others whose practices are dedicated to the trajectories of biological material engagement. (iiconservation.org)

UBS-AM does not invest in companies involved in: cluster munitions, anti-personnel mines or chemical and biological weapons, nor does it invest in companies in breach of the Treaty on the Non- Proliferation of Nuclear Weapons. (ubs.com)
Meticulous synthesis, unique physicochemical properties, manifestation of chemical or biological moieties on the surface of materials make engineered nanostructures suitable for a variety of biomedical applications. (springeropen.com)
Furthermore, contemporary progress in the field of nanotechnology has given ability to rationally design a variety of nanomaterials and manipulate their chemical, physical and potential biological properties for drug screening (labelling), gene delivery (transfection), diagnosis/monitoring (devices and labelling), drug delivery (therapy), detection (imaging), tissue engineering and other biomedical applications. (springeropen.com)
Joe Noling of the University of Florida, USA explained that to date, MB substitutes have been chemical, with no natural or biological agent matching the level of control of MB. (innovations-report.com)

Biogas can also be used in fuel cells for direct conversion to electricity and raw material for hydrogen and transport fuel production which is a significant pathway to sustainable energy development. (hindawi.com)
A second series of considerations deals with the largescale production process. (web.app)

Active transport is highly selective and regulated, with different transporters specific to different molecules or ions. (wikipedia.org)
There are insulin receptors on the capillary endothelial cells making up the blood-brain barrier (BBB) and it is proposed that these may play a role, along with exogenously administered insulin, in enhancing the transport of drug molecules across the BBB. (weeksmd.com)

The Sustainability Standards Checklist includes sustainability standards on net zero carbon, active travel, water use and flood risk, waste, and biodiversity. (westoxon.gov.uk)

Historical relics may be lost to insect attack, rodent and insect infestations on public transport will swell, and fungal contamination of stored food will increase. (innovations-report.com)

There is a single mechanism involved in the initiation of all these biological effects, and this is the interaction of the hormone with its specific receptor. (weeksmd.com)
This publication is the first on conserving bio-based materials making it significant in appropriating ethical and archival protocols for biological artworks (Biological artworks are objects that are made with materials that have non-static properties and qualities, introducing different types of material-object interaction within a museum and educational context). (iiconservation.org)

factors as they determine the rate of transport of nanoparticles to Nel et al. (cdc.gov)

While it is possible for physically active individuals to obtain their daily protein requirements through the consumption of whole foods, supplementation is a practical way of ensuring intake of adequate protein quality and quantity, while minimizing caloric intake, particularly for athletes who typically complete high volumes of training. (biomedcentral.com)

In 1985, the Academy sponsored a workshop on biological invasions. (science.org.au)
and to strengthen the exchange of best practices across the research community on research security and integrity considerations by establishing a virtual academy and toolkit. (europa.eu)

Two competitors, Eheim (Substrat Pro) and JBL (MicroMec) have advertised their own biological filter media (in both cases, sintered glass) and are claiming larger specific surface areas than our claim for Matrix. (premiumaquatics.com)
For biological filter media, specific surface area (measured as surface area per gram of material, or surface area per some specified volume of material) is very important. (premiumaquatics.com)
If we have a very large number of very, very small pores, then our specific surface area number will be phenomenal, but the medium will not work very well as a biological medium. (premiumaquatics.com)

This is an important consideration because it is the bioavailability and bioreactivity of metals that control their potential to cause adverse effects. (researchgate.net)

1%) IDI2 stop-gain mutation, which causes losses of enzyme active site and Mg 2+ -cofactor binding sites. (nature.com)

As per usual for an EEA document, it has a remarkably childish enthusiasm for extolling the value of the Natura 2000 network, rating it alongside the UN Convention on Biological Diversity as one of the most important international legal agreements for protected areas in Europe , but then the EEA is an agency of the European Union and thus would say that. (self-willed-land.org.uk)
The seriousness of harm predicted by a given assay is then pointed out as an important consideration. (nationalacademies.org)

Exclusion fencing seeks to eliminate access to specific areas where activities that could harm animals are occurring ( e.g. active aggregate operations, construction sites, and roads). (ontario.ca)

Upfront embodied carbon emissions include the product, transport and construction stages. (westoxon.gov.uk)

This paper presents the scope and baselines of the nine NCD targets and additional considerations in monitoring the implementation of NCD GAP to 2030. (who.int)

There are two types of active transport: primary active transport that uses adenosine triphosphate (ATP), and secondary active transport that uses an electrochemical gradient. (wikipedia.org)

Secondary active transport, however, makes use of potential energy, which is usually derived through exploitation of an electrochemical gradient. (wikipedia.org)

Traditional Active Fixed Income and Equity Products with ESG Risk Integration consider principal adverse impacts as a source of investment risk. (ubs.com)

Some experiments are specifically designed to examine safety endpoints, while others provide less specific information about an ingredient's biological activity. (nationalacademies.org)

Anatomy5

Organisms2

Diseases1

Chemicals and Drugs14

Analytical, Diagnostic and Therapeutic Techniques and Equipment5

Phenomena and Processes14

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena6

Technology, Industry, Agriculture2

Information Science4

Health Care2

Substrates1

Processes9

General considerations1

Vitro studies4

Biologically active2

Amino acids3

Radiological2

Exposure4

Passive9

Proteins4

Characteristics1

Substances6

19741

Taken into consideration2

Reactors1

Membrane transport2

Compounds1

Molecular3

Limitations2

Organic1

Systems8

Principles1

Practice2

Concentration1

Entities1

Humans1

Pharmaceutical3

Ingredient1

Glucose1

Proceedings1

Significance1

Examples1

Essential1

Spectrum3

Engagement2

Chemical4

Production2

Molecules2

Biodiversity1

Contamination1

Interaction2

Factors1

Protein1

Academy2

Surface3

Control1

Binding sites1

Important2

Roads1

Carbon1

Monitoring1

Types1

Potential1

Products1

Safety1