Toxicity assessment and antibacterial activity of ZnO nanoparticles

Agrawal, Ankush; Sharma, Ankita; Awasthi, Garima; Kamakshi,; Awasthi, Anjali; Awasthi, Kumud Kant

doi:10.1016/b978-0-12-818900-9.00017-6

Cited by 6 publications

(1 citation statement)

References 136 publications

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“…[21,22] Various powders are used for the development of latent fingerprints like titanium dioxide, manganese dioxide, and ferric oxide, neem nano biochar. [23][24][25][26][27][28] However, although efficient, the existing techniques have drawbacks of being expensive or non-environment friendly. Considering this, we have performed a study in which a biochemical substance has been used to develop latent fingerprints efficiently on different surfaces of porous, non-porous, and semi-porous nature.…”

Section: Introductionmentioning

confidence: 99%

Eggshell Nanosheets: Synthesis, Properties, and Their Forensic Applications in Latent Friction Ridges Development

Sankhla,

Verma,

Nagar

et al. 2024

Macromolecular Symposia

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Since waste materials are used to identify, individualize, and evaluate evidence like fingerprints, palmprints, footprints, etc. that are found at a crime scene, they have a substantial impact on the field of forensic science. Many waste powders have recently been employed in fingerprint recognition. Nanosheets made up of eggshells have been put forward as an application in friction ridge development. Eggshell is a biochemical substance made up of chemical compounds like calcium carbonate, which is considered as a waste product. For the formation of an eggshell nanosheet (ESN), shells are dried and crushed into a fine powder and to get this powder in the form of a nanosheet, the Ball milling technique is used. The synthesis of pure ESN is confirmed by Scanning Electron Microscopy (SEM) and X‐ray diffraction (XRD) techniques. The size of nanosheets ranged from 30 to 90 nm as shown in SEM images. Developed powder is then used for the application of fingerprint development and it provides excellent results on all porous, non‐porous, and semi‐porous surfaces. Thus, this newly synthesized ESN powder can be used as a significant powder method in latent fingerprint technology.

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