scholarly journals Larvae of Forensically Important Flies associated with Rabbit Carcasses Placed in a Closed Room in Kuching, Sarawak

2021 ◽  
Vol 6 (1(Special)) ◽  
pp. 137
Author(s):  
Robin Maramat ◽  
Norliza Ibrahim ◽  
Marlini Othman ◽  
Nor Aliza Abdul Rahim
Keyword(s):  
Animal Model ◽  
General Hospital ◽  
Forensic Medicine ◽  
Indoor Environment ◽  
Decomposition Process ◽  
Medicine Department ◽  
First Report ◽  
Decay Stage ◽  
Fly Larvae ◽  
Dark Room

Introduction: This is the first report on insects associated with rabbit carcasses in indoor environment in Kuching, Sarawak. Methods: This study was conducted on June till August of 2016. Rabbit carcasses (Oryctolagous cuniculus) which were used as the animal model, were placed inside a dark room in a building at Forensic Medicine Department in Sarawak General Hospital. The fly larvae infesting on the carcasses were collected until the decomposition process completed. Throughout the 15 days of experiment, the fly larvae were sampled on the carcasses indoor at 28.9 ± 0.3 °C and 69.6 ± 1.0% humidity. Results: The fly larvae activity was observed during the active decay stage and was identified as Synthesiomyia nudiseta (van der Wulp, 1883) (Diptera: Muscidae) and Sarcophaga spp. (Diptera: Sarcophagidae). Only these two species were found co-existing on the carcasses. Conclusions:  S. nudiseta and Sarcophaga spp. could be used as an entomological evidence involving indoor cases in Kuching, Sarawak because both species were dominant and active carcass decomposers in indoor environment.

The Mitochondrial Toxin Produced by Streptomyces griseus Strains Isolated from an Indoor Environment Is Valinomycin

1998 ◽  
Vol 64 (12) ◽  
pp. 4767-4773 ◽  
Author(s):  
M. A. Andersson ◽  
R. Mikkola ◽  
R. M. Kroppenstedt ◽  
F. A. Rainey ◽  
J. Peltola ◽  
...  
Keyword(s):  
Indoor Environment ◽  
Membrane Integrity ◽  
Streptomyces Griseus ◽  
Dry Weight ◽  
Sperm Cells ◽  
Fragmentation Pattern ◽  
Day Care Centers ◽  
First Report ◽  
Mitochondrial Toxin ◽  
Boar Semen

ABSTRACT Actinomycete isolates from indoor air and dust in water-damaged schools and children’s day care centers were tested for toxicity by using boar spermatozoa as an indicator. Toxicity was detected in extracts of four strains which caused a loss of sperm motility, and the 50% effective concentrations (EC50) were 10 to 63 ng (dry weight) ml of extended boar semen−1. The four strains were identified as Streptomyces griseus strains by 16S ribosomal DNA and chemotaxonomic methods. The four S. griseus strains had similar effects on sperm cells, including loss of motility and swelling of mitochondria, but we observed no loss of plasma membrane integrity or depletion of cellular ATP. None of the effects was observed with sperm cells exposed to extracts of other indoor actinomycete isolates at concentrations of ≥5,000 to 72,000 ng ml−1. The toxin was purified from all four strains and was identified as a dodecadepsipeptide, and the fragmentation pattern obtained by tandem mass spectrometry was identical to that of valinomycin. Commercial valinomycin had effects in sperm cells that were identical to the effects of the four indoor isolates of S. griseus. The EC50 of purified toxin from the S. griseus strains were 1 to 3 ng ml of extended boar semen−1, and the EC50 of commercial valinomycin was 2 ng ml of extended boar semen−1. To our knowledge, this is the first report of the presence of ionophoric toxin producers in an indoor environment and the first report of valinomycin-producing strains identified as S. griseus.

scholarly journals Forensic Medicine: Bangladesh Perspective

1970 ◽  
Vol 19 (1) ◽  
pp. 61-64 ◽  
Author(s):  
KGM Rahman ◽  
MK Osman ◽  
S Mahmud
Keyword(s):  
Forensic Medicine ◽  
Legal Service ◽  
District Health ◽  
Health Administrator ◽  
Medicine Department ◽  
Police Station ◽  
Medical College ◽  
System A ◽  
District Hospitals ◽  
The Government

In this paper the remnants of British medical jurisprudence, the medico legal service of Bangladesh were discussed to improve the current medico legal practice and to propose future plan. In Bangladesh, all unnatural deaths are to be reported at the nearest police station and an appointed police officer should visit the scene of occurrence for investigation and to arrange postmortem if required. The forensic services of the country are delivered partly by academic staffs of government medical colleges' forensic medicine department and rest by the civil surgeons - the district health administrator. The civil surgeons perform postmortem by the doctors under him in district hospitals, most of them have no forensic qualifications. Currently academic and professional postgraduate courses are available. The chemical examiner's laboratory is situated at Dhaka with the facility of quantitative tests only. The Government of Bangladesh is trying to standardize the existing system. A workshop on medico legal service was organized recently at Dhaka by the Medico Legal Society of Bangladesh. A DNA profiling laboratory was established at Dhaka Medical College Forensic Medicine Department. Such progress is a milestone in the development of medico legal service in Bangladesh. However, with a few exceptions teaching and training facilities are still lacking. Key words: Forensic; Bangladesh Perspective. DOI: 10.3329/jdmc.v19i1.6255 J Dhaka Med. Coll. 2010; 19(1) : 61-64.

scholarly journals Mortuary Profile for Unnatural Deaths at Forensic Medicine Department of Dhaka Medical College

1970 ◽  
Vol 38 (2) ◽  
pp. 44-47 ◽  
Author(s):  
Mostaque Rahim ◽  
TC Das
Keyword(s):  
Medical Journal ◽  
Key Words ◽  
Forensic Medicine ◽  
Age Group ◽  
Law And Order ◽  
Frequency Pattern ◽  
Medicine Department ◽  
Medical College ◽  
Unnatural Death ◽  
Different Types

Death is unnatural when caused permaturely against the order of nature by injury, position or other means of violence. Data on unnatural deaths may reflect the law and order situation in a particular area of jurisdiction. This study is concerned with pattern of unnatural deaths in Dhaka Medical College mortuary during 1996. We found 1725 (97%) cases of unnatural deaths by analyzing 1772 cases of deaths. Data gives 18.37% increment in unnatural deaths 77.28% was males and 22.71% females. The frequency pattern of unnatural deaths were 68.92% RTAs, 11.69% homicide, 08.00% suicide and 2.80 natural. Burn, electrocution and others comprise the rest 11.565 unnatural deaths. Males suffer 3.4X more unnatural deaths than females. But RTAs males were 5.31X, in homicide 11.40X, in suicide 1.70X respectively than females. In hanging, female were predominant (1.72X of male deaths). 21-40 years is the age group showing peak frequencies on different types of unnatural deaths though hanging showed peak on 11-20 years. Besides, 95.47% of the unnatural deaths were the Muslims, 4.25% were Hindu and .14% was Christians. Firearms were used in 29.40% cases, blunt weapon in 38.46% cases and sharp cutting weapon in 31.60% cases of homicides respectively. Key words: Unnatural Death, RTA, Homicide   DOI: 10.3329/bmj.v38i2.3572 Bangladesh Medical Journal 38(2) 2009 44-47

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