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Helen Johannessen

7 published entries

2021

Determination of shedder status: A comparison of two methods involving cell counting in fingerprints and the DNA analysis of handheld tubes

JournalForensic science international. Genetics
AuthorsHelen Johannessen
Category
Primary Deposit
Open

2019

A retrospective study on the transfer, persistence and recovery of sperm and epithelial cells in samples collected in sexual assault casework

JournalForensic science international. Genetics
AuthorsHelen Johannessen
Category
PersistenceRecoveryTransfer Scenario
Open

2016

Contamination during criminal investigation: Detecting police contamination and secondary DNA transfer from evidence bags.

JournalFSI Genetics
AuthorsHelen Johannessen
Category
Transfer Scenario
Open

2016

Contamination during criminal investigation: Detecting police contamination and secondary DNA transfer from evidence bags.

JournalFSI Genetics
AuthorsHelen Johannessen
Category
Primary DepositTransfer Scenario
Open

2016

Contamination during criminal investigation: Detecting police contamination and secondary DNA transfer from evidence bags.

JournalFSI Genetics
AuthorsHelen Johannessen
Category
Background DNA
Open

2015

Persistence and secondary transfer of DNA from previous users of equipment.

JournalFSI Genetics Supplement Series
AuthorsHelen Johannessen
Category
PersistencePrimary DepositTransfer Scenario
Open

2007

Zip lock poly bags in drug cases - A valuable source for obtaining identifiable DNA results

JournalFSI Genetics Supplement Series
AuthorsHelen Johannessen
Category
Primary Deposit
Open