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Title	Author(s)	Journal	Nature	Retracted	Citations
Quantification and Evaluations of Catechin Hydrate Polymeric Nanoparticles Used… Medicine - Neurology Nanotechnology	Niyaz Ahmad, Rizwan Ahmad et al.	Pharmaceutics MDPI	Retraction	May 23, 2025	73
A comparative pulmonary pharmacokinetic study of budesonide using polymeric nan… Biochemistry Toxicology +2	Niyaz Ahmad, Rizwan Ahmad et al.	Artificial Cells, Nanomedicine, an… Taylor and Francis	Retraction	Jan 11, 2021	12
Impact of ultrasonication techniques on the preparation of novel Amiloride-nano… Biochemistry Neuroscience +2	Niyaz Ahmad, Rizwan Ahmad et al.	Artificial Cells, Nanomedicine, an… Taylor and Francis	Retraction	Jan 11, 2021	44

Quantification and Evaluations of Catechin Hydrate Polymeric Nanoparticles Used in Brain Targeting for the Treatment of…

Retraction

Niyaz Ahmad , Rizwan Ahmad , Ridha Abdullah Alrasheed et al.

Pharmaceutics ( MDPI )

Medicine - Neurology Nanotechnology

Concerns/Issues About Image Duplication of/in Image +5 more

73 citations

Open Access

DOI

Retraction: May 23, 2025

Published: Feb 27, 2020

<1 year years since retraction

A comparative pulmonary pharmacokinetic study of budesonide using polymeric nanoparticles targeted to the lungs in trea…

Retraction

Niyaz Ahmad , Rizwan Ahmad , Mortaja Zaki Almakhamel et al.

Artificial Cells, Nanomedicine, and Biotechnology ( Taylor and Francis )

Biochemistry Toxicology Medicine - Drug Design +1 more

Concerns/Issues About Image Unreliable Results and/or Conclusions

12 citations

Open Access

DOI

Retraction: Jan 11, 2021

Published: Apr 09, 2020

4.9 years years since retraction

Impact of ultrasonication techniques on the preparation of novel Amiloride-nanoemulsion used for intranasal delivery in…

Retraction

Niyaz Ahmad , Rizwan Ahmad , Md Aftab Alam et al.

Artificial Cells, Nanomedicine, and Biotechnology ( Taylor and Francis )

Biochemistry Neuroscience Medicine - Drug Design +1 more

Concerns/Issues About Data Duplication of/in Image +1 more

44 citations

Open Access

DOI

Retraction: Jan 11, 2021

Published: Jul 23, 2018

4.9 years years since retraction