Malaysian Journal of Analytical Sciences, Vol 27 No 6 (2023): 1349 - 1356

 

LATENT FINGERPRINTS TECHNIQUES AND THE USE OF STARCH TO IDENTIFY THE PRINTS: A MINI-REVIEW

 

(Teknik Cap Jari Tidak Kelihatan dan Penggunaan Kanji Sebagai Bahan Asas untuk Mengenal Pasti Cap Jari: Ulasan Ringkas)

 

Anis Iryani Ahmad Shukri1, Norlaily Ahmad2, and NorulNazilah Ab’lah2*

 

1Faculty of Applied Sciences,

Universiti Teknologi MARA , 40500 Shah Alam, Selangor, Malaysia

2Centre of Foundation Studies,

Universiti Teknologi MARA, Cawangan Selangor, Kampus Dengkil, 43800 Dengkil,

Selangor, Malaysia

 

*Corresponding author: nazlila24@uitm.edu.my

 

 

Received: 11 August 2023; Accepted: 24 October 2023; Published:  29 December 2023

 

Abstract

Early techniques to develop latent fingerprints have shown many drawbacks such as being costly, time-consuming, less stable, highly toxic, low selectivity, low sensitivity, and low contrast.  Numerous studies have been introduced to improve the identification of latent fingerprint techniques. The application of starch as a based material or binding agent offers advantages since this biomaterial is nontoxic, easily available, abundant, and cost-saving. Studies show that starch-based materials have good potential in the detection of latent fingerprints. However, studies related to the use of starch-based material in the development of latent fingerprints are still limited. Therefore, this mini-review highlights the techniques used in the detection of latent fingerprints and the potential alternative in detecting latent fingerprints using starch particularly as coating and coated materials. 

 

Keywords: latent fingerprints, powder dusting, quantum dots, carbon nanoparticles, starch


 

Abstrak

Kajian terdahulu berkaitan kaedah untuk mengesan cap jari tidak kelihatan mempunyai banyak kelemahan seperti mahal, kurang stabil, bertoksid, tahap selektiviti yang rendah, kepekaan yang rendah, serta kontras yang juga rendah. Terdapat banyak penyelidikan yang telah dilakukan bagi mengkaji pelbagai kaedah untuk meningkatkan pengenalpastian cap jari tidak kelihatan. Penggunaan kanji sebagai bahan asas menawarkan beberapa kelebihan seperti tidak bertoksid, mudah didapati, banyak, dan dapat menjimatkan kos. Kajian menunjukkan penggunaan kanji adalah berpotensi dalam pengesanan cap jari tidak kelihatan. Walaubagaimanapun, kajian berkenaan penggunaan kanji sebagai bahan asas dalam teknik pengesanan cap jari tidak kelihatan masih terhad. Sehubungan itu, ulasan ringkas ini memfokuskan kepada kaedah-kaedah yang digunakan dalam mengesan cap jari tidak kelihatan dan kaedah alternatif yang berpotensi dengan menggunakan kanji dalam pengesanan cap jari tidak kelihatan terutamanya sebagai bahan salutan atau bahan bersalut. 

 

Kata kunci: cap jari tidak kelihatan, debu serbuk, titik kuantum, nanopartikel karbon, kanji   

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