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return kwic search for under out of >500 occurrences
321496 occurrences (No.66 in the rank) during 5 years in the PubMed. [cache]

224) Hair strands aged under controlled conditions (humidity 40%, temperature 20-22°C, indirect light, with 12/12 hour of light/darkness cycles) showed a time-dependent decay of melanin-derived radicals.

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PMID:32986869 DOI:10.1111/1556-4029.14570

2021 Journal of forensic sciences

* Forensic determination of hair deposition time in crime scenes using electron paramagnetic resonance.

- Several types of biological samples, including hair strands, are found at crime scenes. Apart from the identification of the value and the contributor of the probative evidence, it is important to prove that the time of shedding of hair belonging to a suspect or victim matches the crime window. To this end, to estimate the ex vivo aging of hair, we evaluated time-dependent changes in melanin-derived free radicals in blond, brown, and black hairs by using electron paramagnetic resonance spectroscopy (EPR). Hair strands aged under controlled conditions (humidity 40%, temperature 20-22°C, indirect light, with 12/12 hour of light/darkness cycles) showed a time-dependent decay of melanin-derived radicals. The half-life of eumelanin-derived radicals in hair under our experimental settings was estimated at 22 ± 2 days whereas that of pheomelanin was about 2 days suggesting better stabilization of unpaired electrons by eumelanin. Taken together, this study provides a reference for future forensic studies on determination of degradation of shed hair in a crime scene by following eumelanin radicals by utilizing the non-invasive, non-destructive, and highly specific EPR technique.

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(1)136 the	(18)4 oxidative	(35)2 Nanotechnology	(52)2 medical
(2)13 different	(19)4 physiological	(36)2 RNA	(53)2 montelukast
(3)10 a	(20)4 six	(37)2 SD,	(54)2 nanoconfinement
(4)8 null	(21)4 study	(38)2 anaerobic	(55)2 nutritional
(5)7 investigation	(22)3 acidic	(39)2 anesthesia	(56)2 other
(6)7 of	(23)3 and	(40)2 certain	(57)2 our
(7)6 in	(24)3 basal	(41)2 common	(58)2 real
(8)6 normal	(25)3 conditions	(42)2 curve	(59)2 real-world
(9)6 these	(26)3 control	(43)2 each	(60)2 this
(10)5 an	(27)3 development	(44)2 endoscopic	(61)2 three
(11)5 both	(28)3 high	(45)2 ex	(62)2 treatment
(12)5 which	(29)3 inverted	(46)2 fasted	(63)2 two
(13)4 assessment	(30)3 some	(47)2 five	(64)2 typical
(14)4 clinical	(31)3 various	(48)2 four	(65)2 water-deficit
(15)4 controlled	(32)3 water	(49)2 hypoxia
(16)4 general	(33)2 18	(50)2 intense
(17)4 hypoxic	(34)2 808	(51)2 low

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--- WordNet output for under --- =>以下の, (治療, 試練, 刑罰)を受けて, 下部の, の下に, ・・の下に Overview of adj under The adj under has 2 senses (first 2 from tagged texts) 1. (2) nether, under -- (located below or beneath something else; "nether garments"; "the under parts of a machine") 2. (1) under -- (lower in rank, power, or authority; "an under secretary") Overview of adv under The adv under has 8 senses (first 1 from tagged texts) 1. (2) under -- (down to defeat, death, or ruin; "their competitors went under") 2. under -- (through a range downward; "children six and under will be admitted free") 3. under -- (into unconsciousness; "this will put the patient under") 4. under -- (in or into a state of subordination or subjugation; "we must keep our disappointment under") 5. under -- (below some quantity or limit; "fifty dollars or under") 6. under -- (below the horizon; "the sun went under") 7. under -- (down below; "get under quickly!") 8. under, below -- (further down; "see under for further discussion") --- WordNet end ---