The article discusses fingerprints,which are the unique patterns of friction ridges found on the fingers and palms of hands.Fingerprints are highly valued as evidence in a court of law due to their uniqueness.Powder d...The article discusses fingerprints,which are the unique patterns of friction ridges found on the fingers and palms of hands.Fingerprints are highly valued as evidence in a court of law due to their uniqueness.Powder dusting is a common method for developing fingerprints on various surfaces,which involves applying finely formulated powders to the fingermark impression with a camel hairbrush.This work proposes the use of organic household materials such as water chestnut(Singhara flour)to develop powders for latent fingerprint development,which adhere to sweat and moisture on the surface of fingers,palms,and soles.The powder formulation sticks to the ridges,and the excess powder is blown away,resulting in multicolored patterns that provide an excellent outcome.The objective of the study is to offer an alternative to conventional,expensive,and toxic laboratory powders.These organic powders are eco‑friendly,cost‑effective,nontoxic,and readily available for use in crime scenes and future applications.展开更多
Background:In the discipline of forensics,fingerprint research is crucial.A fingerprint serves as a person’s identify due to its distinction and individuality.Numerous techniques have been developed by experts to fin...Background:In the discipline of forensics,fingerprint research is crucial.A fingerprint serves as a person’s identify due to its distinction and individuality.Numerous techniques have been developed by experts to find latent fingerprints at crime scenes.Aims and Objectives:However,fingerprints are not always recoverable since they may be unintentionally or on purpose erased by a variety of causes,including the culprit.Materials and Methods:Organic peel and rose petal powder made using biochar technique were used for development of fingerprints on white paper after treatment with tap water,soapy water,and sanitizer.Results:The results obtained were then compared to current powders which have been employed in the same process.Rose petal gave good results with sanitizer(80%)and orange peel with soapy water(80%).The overall efficacy was compared and rose petal was found to be most effective in the current study.Conclusion:Therefore,latent prints can be created from these surfaces if any paper is retrieved in this manner from a crime scene.Future capabilities may include testing the same compounds that caused negative effects on the print on surfaces with varied textures,porous and nonporous materials,and the impact of the environment on these.展开更多
Background:Development of obscured fingerprints on a diverse range of surfaces is a crucial aspect of forensic investigations.Aims and Objectives:In this particular study,the utilization of Syzygium cumini(L.)Skeels(J...Background:Development of obscured fingerprints on a diverse range of surfaces is a crucial aspect of forensic investigations.Aims and Objectives:In this particular study,the utilization of Syzygium cumini(L.)Skeels(Jamun)seed powder was examined for the purpose of revealing hidden fingerprints on a variety of surfaces,including both permeable and impermeable substrates.Materials and Methods:The seed powder was extracted using a simple process and was analysed using multiple analytical techniques.The efficacy of the jamun seed powder in developing latent fingerprints was evaluated.Results:The findings of this investigation demonstrate that the jamun seed powder was capable of producing fingerprint patterns of exceptional quality and clarity on numerous surfaces.Conclusion:This research highlights the potential use of jamun seed powder as a practical and effective alternative for the development of hidden fingerprints in forensic investigations,while also providing cost-effectiveness.展开更多
文摘The article discusses fingerprints,which are the unique patterns of friction ridges found on the fingers and palms of hands.Fingerprints are highly valued as evidence in a court of law due to their uniqueness.Powder dusting is a common method for developing fingerprints on various surfaces,which involves applying finely formulated powders to the fingermark impression with a camel hairbrush.This work proposes the use of organic household materials such as water chestnut(Singhara flour)to develop powders for latent fingerprint development,which adhere to sweat and moisture on the surface of fingers,palms,and soles.The powder formulation sticks to the ridges,and the excess powder is blown away,resulting in multicolored patterns that provide an excellent outcome.The objective of the study is to offer an alternative to conventional,expensive,and toxic laboratory powders.These organic powders are eco‑friendly,cost‑effective,nontoxic,and readily available for use in crime scenes and future applications.
文摘Background:In the discipline of forensics,fingerprint research is crucial.A fingerprint serves as a person’s identify due to its distinction and individuality.Numerous techniques have been developed by experts to find latent fingerprints at crime scenes.Aims and Objectives:However,fingerprints are not always recoverable since they may be unintentionally or on purpose erased by a variety of causes,including the culprit.Materials and Methods:Organic peel and rose petal powder made using biochar technique were used for development of fingerprints on white paper after treatment with tap water,soapy water,and sanitizer.Results:The results obtained were then compared to current powders which have been employed in the same process.Rose petal gave good results with sanitizer(80%)and orange peel with soapy water(80%).The overall efficacy was compared and rose petal was found to be most effective in the current study.Conclusion:Therefore,latent prints can be created from these surfaces if any paper is retrieved in this manner from a crime scene.Future capabilities may include testing the same compounds that caused negative effects on the print on surfaces with varied textures,porous and nonporous materials,and the impact of the environment on these.
文摘Background:Development of obscured fingerprints on a diverse range of surfaces is a crucial aspect of forensic investigations.Aims and Objectives:In this particular study,the utilization of Syzygium cumini(L.)Skeels(Jamun)seed powder was examined for the purpose of revealing hidden fingerprints on a variety of surfaces,including both permeable and impermeable substrates.Materials and Methods:The seed powder was extracted using a simple process and was analysed using multiple analytical techniques.The efficacy of the jamun seed powder in developing latent fingerprints was evaluated.Results:The findings of this investigation demonstrate that the jamun seed powder was capable of producing fingerprint patterns of exceptional quality and clarity on numerous surfaces.Conclusion:This research highlights the potential use of jamun seed powder as a practical and effective alternative for the development of hidden fingerprints in forensic investigations,while also providing cost-effectiveness.
