Recovery rate data for silicon nitride nanoparticle isolation using sodium polytungstate density gradients

Area of Science:

• Nanomaterials Science
• Biomaterials Engineering
• Analytical Chemistry

Background:

• Accurate quantification of nanoparticles in biological fluids is crucial for understanding their behavior and potential toxicity.
• Previous research established a novel method for isolating ceramic nanoparticles and metal wear debris from serum lubricants.
• Assessing the efficiency of nanoparticle isolation techniques is essential for reliable experimental outcomes.

Purpose of the Study:

• To determine the average recovery rate of silicon nitride nanoparticles from serum using a previously established isolation method.
• To validate the efficacy of the novel method for ceramic nanoparticle recovery from biological matrices.

Main Methods:

• Gravimetric analysis was employed to quantify nanoparticle recovery.
• Silicon nitride nanoparticles were intentionally introduced (doped) into serum samples.
• Particles were weighed before and after the isolation procedure to calculate the recovery rate.

Main Results:

• An average recovery rate of approximately 89.6% (± 7.1 standard deviation) was achieved for silicon nitride nanoparticles.
• The results demonstrate a high degree of efficiency in the nanoparticle isolation process from serum.
• The gravimetric method provided a reliable measure of particle recovery.

Conclusions:

• The novel method demonstrates a high and reliable recovery rate for silicon nitride nanoparticles from serum.
• This validates the method's suitability for isolating ceramic nanoparticles from biological lubricants.
• Further application of this method can enhance the study of nanoparticle interactions in biological systems.