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Related Concept Videos

Radicals01:27

Radicals

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Roots, often written as radicals, identify the quantity that must be raised to a specific exponent to produce a given value. A radical expression consists of two main components: the radicand, which is the value placed inside the root symbol, and the index, which indicates the degree of the root being taken. The notation n√a indicates the principal nth root of a. If n equals 2, the operation is the square root, while n = 3 defines the cube root. When n is even, a negative radicand does...
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Radical Reactivity: Nucleophilic Radicals01:16

Radical Reactivity: Nucleophilic Radicals

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Radicals adjacent to electron-donating groups are called nucleophilic radicals. These radicals readily react with electrophilic alkenes. The SOMO–LUMO interactions are the driving force for the reaction, where the high-energy SOMO of the electron-rich, nucleophilic radicals interacts with the low-energy LUMO of the electron-deficient, electrophilic alkenes. Such SOMO–LUMO interactions are the basis of reactive radical traps, affecting the selectivity in radical reactions. For...
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Predicting Reaction Outcomes02:24

Predicting Reaction Outcomes

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Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
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Radical Reactivity: Electrophilic Radicals01:02

Radical Reactivity: Electrophilic Radicals

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Radicals adjacent to electron‐withdrawing groups are called electrophilic radicals. These radicals readily react with nucleophilic alkenes. For example, the malonate radical, in which the radical center is flanked by two electron‐withdrawing groups, reacts readily with butyl vinyl ether, which consists of an electron‐donating oxygen substituent. The reaction between electrophilic malonate radical and nucleophilic vinyl ether is favored because the radical has a...
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Outcomes of Glycolysis01:13

Outcomes of Glycolysis

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Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
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Long-term Depression01:05

Long-term Depression

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Related Experiment Video

Updated: Feb 7, 2026

Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision
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Robotic radical prostatectomy: long-term outcomes.

Geoffrey N Box1, Thomas E Ahlering

  • 1Department of Urology, University of California, Irvine, California, USA.

Current Opinion in Urology
|February 28, 2008
PubMed
Summary
This summary is machine-generated.

Robotic-assisted prostatectomy shows excellent short-term outcomes, including fewer complications and faster recovery. Further research is needed to confirm long-term benefits and cost-effectiveness.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Robotic Surgery

Background:

  • Robotic-assisted laparoscopic prostatectomy has seen a dramatic increase in adoption since 2001.
  • This growth is attributed to perceived improvements in clinical outcomes.
  • This review examines recent literature on long-term experiences.

Purpose of the Study:

  • To assess the long-term outcomes of robotic-assisted laparoscopic prostatectomy.
  • To evaluate the impact of technological advancements on patient recovery and oncologic control.
  • To compare robotic procedures with traditional open surgery.

Main Methods:

  • Review of recently published studies (past 18 months) on robotic-assisted laparoscopic prostatectomy.
  • Analysis of short-term clinical outcomes: mortality, transfusions, complications, continence, and potency.
  • Evaluation of oncologic outcomes, specifically surgical margin status.

Main Results:

  • Short-term outcomes are excellent, with improvements in mortality, blood loss, and complications compared to open surgery.
  • Early return of potency and continence are noted, potentially due to nerve-sparing techniques and anatomical restoration.
  • Local disease control appears equivalent to open surgery, but longer follow-up is required.

Conclusions:

  • Technological advantages (3D vision, precise control) lead to improved patient comfort and reduced complications.
  • Improvements in continence, potency, and oncologic outcomes are anticipated.
  • Long-term results and financial impact will ultimately define the role of robotic prostatectomy.