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Related Concept Videos

Dialysis01:27

Dialysis

473
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
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Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

129
Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
129
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

282
Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
282
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

44
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
44
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

128
DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
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Renal Corpuscle01:20

Renal Corpuscle

3.3K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
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Related Experiment Video

Updated: Sep 10, 2025

Microdissection of Primary Renal Tissue Segments and Incorporation with Novel Scaffold-free Construct Technology
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Functional Carbon-Based Materials for Blood Purification: Recent Advances Toward Improved Treatment of Renal Failure

Abolfazl Mozaffari1, Farbod Alimohammadi2, Mazeyar Parvinzadeh Gashti3,4

  • 1Department of Polymer and Textile Engineering, Yazd Branch, Islamic Azad University, Yazd 14778-93855, Iran.

Bioengineering (Basel, Switzerland)
|August 28, 2025
PubMed
Summary

Functional carbon materials offer advanced blood purification for renal failure patients. These materials enhance toxin removal in hemoperfusion, hemodialysis, and oral therapies, improving outcomes and quality of life.

Keywords:
blood toxinsfunctional carbonshemodialysishemoperfusionoral adsorbentsrenal failure

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Area of Science:

  • Biomaterials Science
  • Nephrology
  • Materials Engineering

Background:

  • Accumulated blood toxins (urea, creatinine, etc.) are detrimental to patients with renal failure.
  • Chronic kidney disease (CKD) management requires effective toxin removal strategies.
  • Carbon-based materials show promise for blood purification due to their adsorption properties.

Purpose of the Study:

  • To review advancements in carbon-based materials for blood purification in renal failure.
  • To explore applications in hemoperfusion, hemodialysis, and oral therapeutics.
  • To provide a comparative analysis of these carbon-based detoxification methods.

Main Methods:

  • Literature review of functional carbon-based materials (activated carbon, graphene oxide).
  • Analysis of applications in hemoperfusion, hemodialysis, and oral therapies.
  • Comparative assessment of advantages, limitations, and future research.

Main Results:

  • Activated and modified carbonaceous materials effectively adsorb small-molecule and protein-bound toxins in hemoperfusion.
  • Functionalized carbon materials improve hemodialysis clearance rates and reduce treatment times.
  • Orally administered carbon adsorbents demonstrate potential for lowering systemic toxin levels in CKD.

Conclusions:

  • Material engineering of carbon-based adsorbents is crucial for advancing blood purification.
  • These materials have the potential to revolutionize renal failure treatment.
  • Improved toxin removal can lead to better clinical outcomes and patient quality of life.