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Related Concept Videos

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Disorders of Erythrocytes01:27

Disorders of Erythrocytes

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Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
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Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
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Rh Blood Group01:19

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The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
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Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
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Related Experiment Video

Updated: Jan 10, 2026

Disorders of Erythrocytes
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Disorders of Erythrocytes

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Shell-isolated nanoparticle-enhanced Raman spectroscopy.

Jian Feng Li1, Yi Fan Huang, Yong Ding

  • 1State Key Laboratory of Physical Chemistry of Solid Surfaces and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.

Nature
|March 19, 2010
PubMed
Summary
This summary is machine-generated.

Shell-isolated nanoparticle-enhanced Raman spectroscopy uses gold nanoparticles with thin shells to amplify signals. This versatile technique expands surface-enhanced Raman scattering applications in materials science, life sciences, and safety inspections.

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Area of Science:

  • Spectroscopy
  • Nanotechnology
  • Materials Science

Background:

  • Surface-enhanced Raman scattering (SERS) offers ultra-sensitive, non-destructive molecular characterization.
  • Traditional SERS relies on metal substrates (Ag, Au, Cu), limiting its practical applications.
  • Tip-enhanced Raman spectroscopy (TERS) uses a gold tip but has weak signal output.

Purpose of the Study:

  • To develop a novel SERS approach overcoming limitations of existing techniques.
  • To enable SERS analysis on diverse, non-traditional substrates.
  • To expand the applicability of SERS in various scientific and industrial fields.

Main Methods:

  • Developed shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS).
  • Utilized gold nanoparticles coated with ultrathin silica or alumina shells.
  • Dispersed nanoparticles as 'smart dust' on various surfaces for Raman signal amplification.

Main Results:

  • Achieved high-quality Raman spectra from molecules on Pt and Au single-crystal surfaces.
  • Obtained spectra from hydrogen monolayers on Si surfaces.
  • Successfully detected pesticide residues on citrus fruits and analyzed yeast cells.

Conclusions:

  • SHINERS significantly enhances the flexibility and applicability of SERS.
  • The technique is suitable for materials science, life sciences, food safety, and environmental monitoring.
  • Shell-isolated nanoparticles provide a robust platform for advanced spectroscopic analysis.