Related Experiment Video
Updated: Jan 20, 2026

Understanding Dissolved Organic Matter Biogeochemistry Through In Situ Nutrient Manipulations in Stream Ecosystems
Published on: October 29, 2016
Goals of Care: Understanding the Outcomes that Matter Most
1Division of Trauma, Critical Care and Acute Care Surgery, Oregon Health and Science University, Mail Code L611, 3181 Southwest Sam Jackson Park Road, Portland, OR 97239, USA.
Abstract:
Advanced care planning is a critically important part of the care of seriously and critically ill patients. A responsibility of all physicians as part of primary palliative care, advanced care planning discussions are more than discussions about code status and should begin early and proceed in parallel with recovery-focused care. Strategies and best practices for advanced care planning in the elective setting and when time is short are reviewed, as are the myriad legal documents that can be used to provide a physical representation of the advanced care planning discussions.
Related Concept Videos
Psychosis: Goals of Pharmacotherapy
Classifying Matter by State
Classifying Matter by Composition
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or...
Physical and Chemical Properties of Matter
Understanding the Self
The Atomic Theory of Matter

