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Related Concept Videos

Responses to Salt Stress02:02

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
Alkyl Halides02:45

Alkyl Halides

Structural Properties
Alkyl halides are halogen-substituted alkanes wherein one or more hydrogen atoms of an alkane is replaced by a halogen atom such as fluorine, chlorine, bromine, or iodine. The carbon atom in an alkyl halide is bonded to the halogen atom, which is sp3-hybridized and exhibits a tetrahedral shape.
Unlike alkyl halides, compounds in which a halogen atom is bonded to an sp2 -hybridized carbon atom of a carbon-carbon double bond (C=C) are called vinyl halides. Whereas aryl...
Halogenation of Alkenes02:46

Halogenation of Alkenes

Halogenation is the addition of chlorine or bromine across the double bond in an alkene to yield a vicinal dihalide. The reaction occurs in the presence of inert and non-nucleophilic solvents, such as methylene chloride, chloroform, or carbon tetrachloride.
Consider the bromination of cyclopentene. Molecular bromine is polarized in the proximity of the π electrons of cyclopentene. An electrophilic bromine atom adds across the double bond, forming a cyclic bromonium ion intermediate.
SBAR II: Application of SBAR01:14

SBAR II: Application of SBAR

SBAR is an effective communication tool used by healthcare professionals to communicate patient information accurately. SBAR stands for Situation, Background, Assessment, and Recommendation. For a better understanding, an example is given below.
SBAR Report from a Nurse to a Health Care Provider
S: "Hello, Dr. Smith. This is Jane, RN, from the Med Surg unit. I am calling to tell you about Ms. White in Room 210, who is experiencing increased pain and redness at her incision site. Her recent...
Dalton's Law of Partial Pressure01:11

Dalton's Law of Partial Pressure

The partial pressure of a gas is a measure of the thermodynamic activity of the gas's molecules. The pressure that a gas would create if it occupied the total volume available is called the gas's partial pressure. If two or more gases are mixed together in a container, the molecules move randomly and collide with each other, causing them to reach thermal equilibrium. When the gases have the same temperature, their molecules have the same average kinetic energy. Thus, each gas obeys the ideal...
The Response of Equilibria to the Conditions01:30

The Response of Equilibria to the Conditions

Named after the French chemist Henry Louis Le Chatelier, Le Chatelier's principle states that when a system at equilibrium is subjected to any change (like pressure, temperature, or concentration), the composition of the system adjusts in a way that counteracts the effect of this change, thereby attempting to restore the equilibrium.According to Le Chatelier's principle, for exothermic reactions, when the system's temperature is increased, the system will try to reduce the temperature. This...

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Related Experiment Video

Updated: Jun 29, 2026

Detection of Invasive Pulmonary Aspergillosis in Haematological Malignancy Patients by using Lateral-flow Technology
08:01

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Published on: March 22, 2012

Balfour et al. Respond

David J K Balfour1, Neal L Benowitz1, Suzanne M Colby1

  • 1David J. K. Balfour is retired from the Division of Systems Medicine, School of Medicine, University of Dundee, Dundee, UK. Neal L. Benowitz is with the Department of Medicine, School of Medicine, University of California, San Francisco. Suzanne M. Colby is with the Department of Psychiatry and Human Behavior, Alpert Medical School, Brown University, Providence, RI. Dorothy K. Hatsukami is with the Department of Psychiatry and Behavioral Sciences, Medical School, University of Minnesota, Minneapolis. Harry A. Lando is with the Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis. Scott J. Leischow is with the College of Health Solutions, Arizona State University, Phoenix. Caryn Lerman is with the Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles. Robin J. Mermelstein is with the Department of Psychology, University of Illinois-Chicago. Raymond Niaura is with the Department of Epidemiology, School of Global Public Health, New York University, New York, NY. Kenneth A. Perkins is with the Department of Psychiatry, School of Medicine, University of Pittsburgh, Pittsburgh, PA. Ovide F. Pomerleau is with the Department of Psychiatry, Medical School, University of Michigan, Ann Arbor. Nancy A. Rigotti is with the Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA. Gary E. Swan is with the Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Palo Alto, CA. Kenneth E. Warner is with the Department of Health Management and Policy, School of Public Health, University of Michigan, Ann Arbor. Robert West is with the Department of Behavioural Science and Health, University College London, London, UK.

American Journal of Public Health
|December 22, 2021
PubMed
Summary

No abstract available in PubMed .

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