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Interaction is a kind of action that occurs as two or more objects have an effect upon one another. The idea of a two-way effect is essential in the concept of interaction, as opposed to a one-way causal effect. A closely related term is interconnectivity, which deals with the interactions of interactions within systems: combinations of many simple interactions can lead to surprising emergent phenomena. Interaction has different tailored meanings in various sciences. All systems are related and interdependent. Every action has a consequence.

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Wikipedia about interactions

Interaction is a kind of action that occurs as two or more objects have an effect upon one another. The idea of a two-way effect is essential in the concept of interaction, as opposed to a one-way causal effect. A closely related term is interconnectivity, which deals with the interactions of interactions within systems: combinations of many simple interactions can lead to surprising emergent phenomena. Interaction has different tailored meanings in various sciences. All systems are related and interdependent. Every action has a consequence.

Casual examples of interaction outside of science include:

  • communication of any sort, for example two or more people talking to each other, or communication among groups, organisations, nations or states: trade, migration, foreign relations, transportation,
  • the feedback during the operation of machines such as a computer or tool, for example the interaction between a driver and the position of his or her car on the road: by steering the driver influences this position, by observation this information returns to the driver.

Chemistry and medicine

In medicine, most medications can be safely used with other medicines, but particular combinations of medicines need to be monitored for interactions, often by the pharmacist. In molecular biology, the knowledge on gene/protein interaction among themselves and with their metabolites is referred to as molecular pathways.

Interactions between medications (drug interactions) fall generally into one of two main categories:

  1. pharmacodynamic : Involving the actions of the two interacting drugs.
  2. pharmacokinetic : Involving the absorption, distribution, metabolism, and excretion of one or both of the interacting drugs upon the other.

In terms of efficacy, there can be three types of interactions between medications: additive, synergistic, and antagonistic. Additive interaction means the effect of two chemicals is equal to the sum of the effect of the two chemicals taken separately. This is usually due to the two chemicals acting on the body in the same way. Examples would be Aspirin and Motrin, Alcohol and Depressant, Tranquilizer and Painkiller. Synergistic interaction means that the effect of two chemicals taken together is greater than the sum of their separate effect at the same doses. An example is Pesticide and Fertilizer, the biological effect is devastating. Antagonistic interaction means that the effect of two chemicals is actually less than the sum of the effect of the two drugs taken independently of each other. This is because the second chemical increases the excretion of the first, or even directly blocks its toxic actions. Antagonism forms the basis for antidotes of poisonings. An example is Asparagus and birth control pills.

Search results for Interactions

Large Hadron Collider Communication

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InterActions in Physical Science

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Drug Search

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News about Interactions

What HIV needs: Identification of human factors may yield novel therapeutic targets for HIV

PhysOrgThe Salk Institute for Biological Studies and Burnham Institute for Medical Research today announced 295 host cell factors that are involved in human immunodeficiency virus (HIV) infection. The study, published in the Oct. 3 issue of Cell, could lead to the development of a new class of HIV therapeutics aimed at disrupting the human-HIV interactions that lead to viral infection.http://www.physorg.com/news142171159.html

Photonic Crystal Biosensors Detect Protein-DNA Interactions

PhotonicsOnlineScientists at the University of Illinois have developed a new class of disposable, microplate-based optical biosensors capable of detecting protein-DNA interactions.http://www.photonicsonline.com/article.mvc/Photonic-Crystal-...

Helping a shy child

Montgomery AdvertiserExpose your child to a variety of non-threatening, positive peer interactions from an early age to begin building social self-confi dence.http://www.montgomeryadvertiser.com/apps/pbcs.dll/article?AI...

Protein-cholesterol interactions studied

Moldova.orgU.S. biophysicists say they have clarified the mysterious interaction between cholesterol and the brain's neurotransmitter receptors.University of Pennsylvania scientists said they have provided a new model of behavior for the nicotinic acetylcholine receptor, a well studied protein involved in inflammation, Alzheimer's disease, Parkinson's disease, schizophrenia, epilepsy, the effect of general ....http://it.moldova.org/stiri/eng/154287/

GE Healthcare Acquires MicroCal Broadening Capabilities In Biomedical And Pharmaceutical Research

BioresearchOnlineGE Healthcare, a unit of General Electric Company today announced it has acquired MicroCal LLC, a provider of innovative instruments for the study of molecular interactions in pharmaceutical, biomedical and life science research.http://www.bioresearchonline.com/article.mvc/GE-Healthcare-A...

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Alonso wins Japanese Grand Prix; Hamilton's lead shrinks after wreck ...

ESPN.comThe incident was reminiscent of the collisions between title rivals Alain Prost and Ayrton Senna in the 1989 and '90 Japanese GPs, but Massa insisted his relationship with Hamilton was not about to become as poisonous as the interactions between ... http://sports.espn.go.com/rpm/racing/f1/news/story?id=363905...

Study finds latest genetic link to schizophrenia

Thetech HeraldAlthough we have known for decades that genes are important in schizophrenia, identifying specific genes has been hampered by clinical complexity, multiple small-effect genes and environmental interactions,” Professor Mowry said. “This Indian ... http://www.thetechherald.com/article.php/200841/2226/Study-f...

Corporate Social Responsibility

CSR WireFor Campbell, corporate social responsibility (CSR) encompasses the economic, environmental and social aspects of our business and our interactions with our stakeholders. We have organized this report around this conceptual framework: economic - our ... http://www.csrwire.com/profile/10009.html

NASA spacecraft to map dynamic interactions in space

Deccan HeraldThe first NASA spacecraft to image and map the dynamic interactions taking place, where the hot solar wind slams into the cold expanse of space, will be launched on October 19 from Kwajalein Atoll, a part of Marshall Island in the pacific ocean ... http://www.deccanherald.com/Content/Oct72008/scroll200810079...

Nepal still a monarchy in Indian embassy website

Economic TimesWe are happy that he has chosen to first visit India. His Majesty will have interactions with our senior leaders and the visit would increase goodwill between our two countries and strengthen our cooperation." Being a holiday, the Indian embassy ... http://economictimes.indiatimes.com/News/PoliticsNation/Nepa...

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InterActions: UCLA Journal of Education and Information Studies

Editors' Note: Paula Carbone, Christopher S. Collins, and Stacey L. Meeker Editors' Note: Articles: Louie F. Rodríguez “I've Never Heard of the Word Pedagogy Beforehttp://repositories.cdlib.org/gseis/interactions/

InterActions Dating, Personal Introduction Specialists Since 1963 ...

Welcome to InterActions....the nation's oldest personalized introduction service membership organization for today's successful singles! Offices in Detroit and Las Vegas since 1963http://www.interactionsdating.com/

Quality Interactions

Quality Interactions is an e-learning program that provides case-based instruction on cross-cultural health care. This interactive program focuses on common clinical and/or cross ... http://www.qualityinteractions.org/

interactions magazine

interactions magazine ... Toto, I've Got a Feeling We're Not In Kansas Anymore... Meredith Davis. Design education continues to inadvertantly distance itself from the profession it ... http://interactions.acm.org/

interactions.com: Your Source on the Net -

Make the most of your internet experience with Interactions--Community and tools coming soon! ■http://interactions.com/
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The Spectacular Spider-Man 102 Inte...

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Better Pet Behavior: Positive Puppy...

Better Pet Behavior: Positive Puppy InteractionsCarol Erickson and Mary from 'What a good dog' work with a puppy on developing motor skills.Windows Media - Video

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interact Nispero Zoo Valle de Anton Panamahttp://www.LovePanamaRealEstate.com If you like to have a hands on experience filled with interactions with wildlife and reptiles then the Nispero Zoo is the place for you. The...Flash - Video

Interactions among charged objects

Interactions among charged objectsThree experiments in electrostatics: two plastic rods, two glass rods, and one of each are rubbed with fur and allowed to interact.Flash - Video

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comboPart5.wmvPart 5 Complex interactions among variables [10:39]msmedia: 13.7 MB w:640px - h:480px

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Wolf Pack Interactions

Wolf Pack InteractionsWolf Pack Interactions 12 min 17 sec - Nov 1, 2006 The wolves at Wildlife Prairie Park, I'm really happy with how this video turned out and it shows some great examples of social interactions betw...flash: 0 MB w:320px - h:240px

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121003_Dallas.movof Global Programs (OGP), Climate and Societal Interactions Division, Sciences and Assessments (RISA) program. (viewable via Quicktime Media Player) 12/10-2/2003, Enhancing Decision-Making through Int...quicktime: 99.3 MB w:720px - h:480px

Answers for Interactions

George M

Do you know any nonfiction books that show interactions between soldiers and children?

George Mare you perhaps looking for FICTION, as opposed to NON-FICTION? Non fiction is fact, fiction is baloney. But not really. The Silver Donkey - Sonya Hartnett.
enzian

Is there a site where you can put in the medications to see lethal interactions?

enzian
polksa

What are the interactions that hold the polypeptide chain together?

polksahydrogen bonding
☆ ★☆ 妮可巧克力比基尼☆★☆

Is it OK to request ALL interactions from the building management be in writing?

☆ ★☆ 妮可巧克力比基尼☆★☆In real estate AND in the practice of law, there is a very basic expression: "When it isn't in writing, it simply doesn't exist." If the manager or rental agent won't do it, THEN YOU should do it....
---UNknOWn---

Decribe interactions of abiotic and biotic things any where?

---UNknOWn---Abiotic Factors: 1. Temperature: affects the organism's metabolism, The normal range is between 0 degrees and 50 degrees centigrade. 2. Water: adaptations for water homeostasis and conserv...

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