powder method
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2021 ◽  
Vol 1999 (1) ◽  
pp. 012068
Author(s):  
Eman J. Salih ◽  
Sabah Mahmoud Aman Allah ◽  
Salih Y. Darweesh ◽  
Hussein A. Mohammed

2021 ◽  
Vol 1999 (1) ◽  
pp. 012074
Author(s):  
Ahmed M. Ibraheem ◽  
Sabah Mahmoud Aman Allah ◽  
Salih Y. Darweesh
Keyword(s):  

2021 ◽  
Vol 5 (1) ◽  
pp. 037-040
Author(s):  
Ramesh Babu Ambati

The impression of frictional ridges of the finger is known as fingerprints. Owing to this uniqueness, the fingerprints have long been used to identify a person since Ancient times. In any crime scene the presence of fingerprint makes the identification of the Culprit very easy. The fingerprints can also easily be embedded on any item such as paper, Clothing and body of the victim. To utilize this uniqueness of fingerprints forensic experts devised many techniques to obtain a clear fingerprint. These come under two categories i.e. Conventional and modern methods. The conventional methods are although important but there are limitations of them. Just take the example of powder method. Powder method require different powders for different Surfaces and colors, but modern method like quantum dots method can easily detect Fingerprints on all surfaces regardless of their color giving great resolution in seconds. Other methods like physical developer method is very time consuming and expensive, carbon Black method creates mess and does not work on porous surface, iodine fuming and Naphthaloflavin does have an advantage that it can bring up prints on skin also but it does not Work on metallic surfaces. VMD also fails on heavy plastic polymers and body oils. But some modern methods like nanotechnology can obtain high resolution prints old and dried prints also within 3 minutes. Laser technology is very fast, accurate and can be used for Fingerprints up toten years old also on any surface without any mess. Multimetal deposition Method can even be used to identify smokers and drug addicts and can be used Porous, non-porous and wet surfaces.


Author(s):  
Konrad Opelt ◽  
Tayyab Ahmad ◽  
Oliver Diehl ◽  
Mario Schönfeldt ◽  
Eva Brouwer ◽  
...  

Food Control ◽  
2021 ◽  
Vol 119 ◽  
pp. 107466
Author(s):  
Retno Yusiasih ◽  
Mariska M. Pitoi ◽  
Een S. Endah ◽  
Miranti Ariyani ◽  
Tiny A. Koesmawati

2020 ◽  
Vol 1664 ◽  
pp. 012078
Author(s):  
Sufian H. Humeedi ◽  
Nihad Ali Shafeek ◽  
Hameed H. Ahmeed ◽  
Salih Y. Darweesh

2020 ◽  
Vol 593 ◽  
pp. 412277
Author(s):  
Hakan Yetiş ◽  
Doğan Avcı ◽  
Fırat Karaboğa ◽  
Daniel Gajda ◽  
Mustafa Akdoğan ◽  
...  

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