Search Results - "Ansell, Ricky"

Present state on the use of forensic genetic genealogy in criminal cases - a Swedish perspective by Ansell, Ricky, Aili Fagerholm, Siri

“…Sweden was first outside North America in solving crime using forensic genetic genealogy (FGG), but further use of the method was inhibited due to unclear…”
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Improved forensic DNA analysis through the use of alternative DNA polymerases and statistical modeling of DNA profiles by Hedman, Johannes, Nordgaard, Anders, Rasmusson, Birgitta, Ansell, Ricky, Rådström, Peter

“…DNA evidence, linking perpetrators to crime scenes, is central to many legal proceedings. However, DNA samples from crime scenes often contain PCR-inhibitory…”
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Law enforcement use of genetic genealogy databases in criminal investigations: Nomenclature, definition and scope by Tuazon, Oliver M., Wickenheiser, Ray A., Ansell, Ricky, Guerrini, Christi J., Zwenne, Gerrit-Jan, Custers, Bart

“…Although law enforcement use of commercial genetic genealogy databases has gained prominence since the arrest of the Golden State Killer in 2018, and it has…”
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Results of an inter and intra laboratory exercise on the assessment of complex autosomal DNA profiles by Benschop, Corina C.G., PhD, Connolly, Edward, PhD, Ansell, Ricky, PhD, Kokshoorn, Bas, PhD

“…Abstract The interpretation of complex DNA profiles may differ between laboratories and reporting officers, which can lead to discrepancies in the final…”
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The Yeast Glycerol 3-Phosphatases Gpp1p and Gpp2p Are Required for Glycerol Biosynthesis and Differentially Involved in the Cellular Responses to Osmotic, Anaerobic, and Oxidative Stress by Påhlman, Anna-Karin, Granath, Katarina, Ansell, Ricky, Hohmann, Stefan, Adler, Lennart

“…We have characterized the strongly homologous GPP1/RHR2 and GPP2/HOR2 genes, encoding isoforms of glycerol 3-phosphatase. Mutants lacking bothGPP1 and GPP2 are…”
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A ranking index for quality assessment of forensic DNA profiles forensic DNA profiles by Hedman, Johannes, Ansell, Ricky, Nordgaard, Anders

“…Assessment of DNA profile quality is vital in forensic DNA analysis, both in order to determine the evidentiary value of DNA results and to compare the…”
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Using the new Phadebas ® Forensic Press test to find crime scene saliva stains suitable for DNA analysis by Hedman, Johannes, Gustavsson, Karin, Ansell, Ricky

“…The Phadebas ® Forensic Press test is a new product that detects saliva stains by reacting with amylase. When the paper is pressed against a saliva stain a…”
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A gene encoding sn-glycerol 3-phosphate dehydrogenase (NAD+) complements an osmosensitive mutant of Saccharomyces cerevisiae by Larsson, K, Ansell, R, Eriksson, P, Adler, L

“…Osmoregulatory mutants of Saccharomyces cerevisiae with a defect in their capacity to readjust the cell volume/buoyant density after osmotically induced…”
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NADH-reductive stress in Saccharomyces cerevisiae induces the expression of the minor isoform of glyceraldehyde-3-phosphate dehydrogenase (TDH1) by Valadi, Hadi, Valadi, Asa, Ansell, Ricky, Gustafsson, Lena, Adler, Lennart, Norbeck, Joakim, Blomberg, Anders

“…A strain of Saccharomyces cerevisiae lacking the GPD2 gene, encoding one of the glycerol-3-phosphate dehydrogenases, grows slowly under anaerobic conditions,…”
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Getting the conclusive lead with investigative genetic genealogy – A successful case study of a 16 year old double murder in Sweden by Tillmar, Andreas, Fagerholm, Siri Aili, Staaf, Jan, Sjölund, Peter, Ansell, Ricky

“…On the morning of October 19, 2004, an eight-year-old boy and a 56-year-old woman were stabbed to death on an open street in the city of Linköping, Sweden. The…”
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Internal quality control in forensic DNA analysis by Ansell, Ricky

“…The trail from initial evidence examination to a DNA profile reported to match a suspect is long and complex. The different nature and great variability in the…”
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Individual shedder status and the origin of touch DNA by Jansson, Linda, Swensson, Marie, Gifvars, Emma, Hedell, Ronny, Forsberg, Christina, Ansell, Ricky, Hedman, Johannes

“…Due to improved laboratory techniques, touched surfaces and items are increasingly employed as sources of forensic DNA evidence. This has urged a need to…”
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Enhanced forensic DNA recovery with appropriate swabs and optimized swabbing technique by Hedman, Johannes, Akel, Yasmine, Jansson, Linda, Hedell, Ronny, Wallmark, Nanny, Forsberg, Christina, Ansell, Ricky

“…Efficient sampling with swabs is crucial for optimal forensic DNA analysis. The DNA recovery is determined by the skill of the practitioner and the…”
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Assessing the consistency of shedder status under various experimental conditions by Jansson, Linda, Siti, Chiara, Hedell, Ronny, Forsberg, Christina, Ansell, Ricky, Hedman, Johannes

“…Shedder status is defined as the propensity of an individual to leave DNA behind on touched items or surfaces and has been suggested as one of the major…”
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The double-swab technique versus single swabs for human DNA recovery from various surfaces by Hedman, Johannes, Jansson, Linda, Akel, Yasmine, Wallmark, Nanny, Gutierrez Liljestrand, Rebecca, Forsberg, Christina, Ansell, Ricky

“…•The double-swab technique was compared to single wet swabs.•For non-absorbing surfaces, the first wet swabs gave at least 16 times more DNA than the second…”
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Assessment of DNA quality for whole genome library preparation by Jansson, Linda, Aili Fagerholm, Siri, Börkén, Emelie, Hedén Gynnå, Arvid, Sidstedt, Maja, Forsberg, Christina, Ansell, Ricky, Hedman, Johannes, Tillmar, Andreas

“…In recent years, more sophisticated DNA technologies for genotyping have enabled considerable progress in various fields such as clinical genetics,…”
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Factors affecting DNA recovery from cartridge cases by Jansson, Linda, Forsberg, Christina, Akel, Yasmine, Dufva, Charlotte, Ansell, Carina, Ansell, Ricky, Hedman, Johannes

“…•Different swab types and detergents were evaluated to improve DNA recovery from cartridge cases.•Using flocked swabs, crime scene cartridge cases giving ≥…”
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High-throughput DNA extraction of forensic adhesive tapes by Forsberg, Christina, Jansson, Linda, Ansell, Ricky, Hedman, Johannes

“…Highlights • We have developed, validated and implemented a simple an efficient direct lysis DNA extraction protocol for adhesive tapes. • The protocol…”
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Assessment of the transfer, persistence, prevalence and recovery of DNA traces from clothing: An inter-laboratory study on worn upper garments by Szkuta, Bianca, Ansell, Ricky, Boiso, Lina, Connolly, Edward, Kloosterman, Ate D, Kokshoorn, Bas, McKenna, Louise G, Steensma, Kristy, van Oorschot, Roland A.H

“…Highlights•DNA transfer and recovery from upper garments was studied by four laboratories. •DNA yield and DNA profile composition differed among laboratories…”
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DNA profiles obtained from urine in snow by Dufva, Charlotte, Karlsson, Emilia, Forsberg, Christina, Ansell, Ricky

“…Urine can be a potential important source of evidence when occurring at crime scenes. In case of outdoor scenes including snow a yellow colour could indicate…”
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