ライフサイエンスコーパス: ppt

1 in the atmosphere at mole ratios of 0.3-1.0 ppt, and in the snowpack interstitial air at mole ratios

2 DDs/HxCDFs)/heptas (HpCDDs/HpCDFs), and 3.00 ppt for the octas (OCDD/OCDF).

3 table at Jungfraujoch (mole fractions <0.003 ppt, parts-per-trillion, 10(-12)) but since then the per

4 tion spanning from 10 fg/mL to 1 ng/mL (0.01 ppt to 1 ppm).

5 at very low mole fractions (typically <0.03 ppt) at both stations, and features pronounced seasonali

6 detection on a whole weight basis were 0.05 ppt for TCDD and 0.10 ppt for TCDF, 0.50 ppt for the pen

7 ults demonstrate clean canister blanks (0.06 ppt(v) [0.24 ng/m(3)], which is below the detection limi

8 sulted in a detection limit for Ag(+) of 4.1 ppt (3.8 x 10(-1)1 M).

9 umental limit of detection (LOD) of around 1 ppt for lanthanides.

10 weight basis were 0.05 ppt for TCDD and 0.10 ppt for TCDF, 0.50 ppt for the pentas (PeCDDs/PeCDFs)/he

11 ppt) in solution with a linear range from 10 ppt to 10 ppm.

12 urity grade of CO2 specified at less than 10 ppt ECD-responsive contaminants.

13 ns, limits of detection ranging from 1 to 10 ppt can be obtained depending on the Se compound and 30

14 9.8%) over a wide dynamic mass range (1-100 ppt(v)), recovery/accuracy of 93%, a low selected ion mo

15 ith limits of detection of approximately 100 ppt, which should enable ambient measurements.

16 d elimination rates for concentrations < 100 ppt.

17 injection volume detection limit using a 108 ppt solution is 2.0 pL (216 pg).

18 on monitoring method detection limit of 0.12 ppt(v) (0.48 ng/m(3)), replicate precision of 6.8% RSD,

19 ppt that rise above a background of 12 to 13 ppt.

20 summer-time TFA mixing ratios of about 0.15 ppt (high emission scenario) will surpass previously mea

21 observations of NO2 with the sensitivity (15 ppt/10 s at S/N = 2) and portability necessary to study

22 and in both cases, a detection limit of ~170 ppt was determined.

23 ith a S/N = 3 limit of detection (LOD) of 18 ppt(v)/min, with planned upgrades to reduce the LOD to 5

24 ranging from freshwater to oligohaline (0-2 ppt) in four rivers near the Chesapeake Bay (Virginia).

25 detected with the functionalized MCs was 1.2 ppt, which is in the range needed by the cosmetics indus

26 e method exhibits a limit of detection of 20 ppt and a limited cross-reactivity with high concentrati

27 ack interstitial air at mole ratios up to 22 ppt under natural sunlit conditions and up to 35 ppt whe

28 alue (40 ppt) and commercial ELISA tests (25 ppt).

29 ta with mixing ratios ranging from 20 to 250 ppt(v) glyoxal.

30 A maximum daytime ClO concentration of 28 ppt was observed following an early morning peak of 75 p

31 was significantly higher at 30 ppt than at 3 ppt.

32 to assess the effects of salinity (3, 16, 30 ppt) and dissolved organic carbon (DOC, approximately 1.

33 he LC50 value was significantly higher at 30 ppt than at 3 ppt.

34 d depending on the Se compound and 30 to 300 ppt for the volatile S species.

35 equivalence values for the samples are 0.35 ppt (nondetects = 0) and 0.89 ppt (nondetects = 1/2 LOD)

36 under natural sunlit conditions and up to 35 ppt when the snowpack surface was artificially irradiate

37 The detection sensitivity was 4 ppt/10 s (3sigma).

38 ensitivity obtained is around 30% for 10(-4) ppt (0.1 fg/ml) AFB1 which is greater than 1.5 times tha

39 with excellent detection limit of 0.6*10(-4)ppt and satisfied specificity due to the excellent affin

40 ical serum concentration threshold value (40 ppt) and commercial ELISA tests (25 ppt).

41 gett Forest varied from below 50 ppt to 4000 ppt and NO2 ranged from 5 to 50% of the total reactive n

42 on range with a linear response from 2 to 45 ppt.

43 s with a detection limit of 80 pmol L(-1) (5 ppt) and was utilized for direct determination of carbon

44 detection limit as low as 0.5, 0.8, and 1.5 ppt for BZ, ABZ, and DABZ, respectively, can easily be a

45 Concentrations as low as 2.5 ppt of LSD and several of its analogs were detected in s

46 with planned upgrades to reduce the LOD to 5 ppt(v)/min.

47 .05 ppt for TCDD and 0.10 ppt for TCDF, 0.50 ppt for the pentas (PeCDDs/PeCDFs)/hexas (HxCDDs/HxCDFs)

48 NO2 at Blodgett Forest varied from below 50 ppt to 4000 ppt and NO2 ranged from 5 to 50% of the tota

49 t DDT in water to a limit-of-detection of 50 ppt with a response time of <60 s.

50 was detected down to an estimated LOD of 50 ppt.

51 screen and FT-IRIS assays were 2.29 and 2.56 ppt, respectively, indicating that the molecular changes

52 ir at a relative humidity (RH) of 40% is 0.6 ppt (1 min average, signal-to-noise ratio =2), with an e

53 (ppt) compared with 28.9 degrees C and 15.6 ppt for the previous 5 years (P<.001).

54 below the instrumental detection limit (<60 ppt).

55 hair samples spiked with PhIP at 200 and 600 ppt.

56 The detection limit is 5 pM (0.63 ppt), the lowest ever reported for an electroanalytical

57 r and collection efficiency for detecting 64 ppt of Cu(II) within 5 min of deposition and 4.0 mL min(

58 ng ratios of up to approximately 6.8 and 4.7 ppt, respectively.

59 served following an early morning peak of 75 ppt of Cl2.

60 ielded a detection limit of approximately 80 ppt (parts per trillion) for isoprene with a measurement

61 by tails with Ir concentrations of 20 to 80 ppt that rise above a background of 12 to 13 ppt.

62 mples are 0.35 ppt (nondetects = 0) and 0.89 ppt (nondetects = 1/2 LOD).

63 croL/min have shown a detection limit of 1.9 ppt.

64 rication facilities ranged from 10.0 to 9120 ppt(v) TMS and appear to be associated with the use of h

65 r suggests a I(2) mixing ratio range of 6-93 ppt(v) can account for the observed particle production

66 arts per trillion, volume per volume of air [ppt(v)] [~ng/m(3)]).

67 Both kny;ntl and ppt;ntl double mutant embryos exhibit synergistic trunk

68 o the mesendoderm are reduced in kny;ntl and ppt;ntl mutants.

69 develop an analytical method for determining ppt concentrations of acrolein and other carbonyls in ai

70 Cell tracing in ppt;ntl and kny;ntl mutants demonstrates that the ventra

71 (LOD) in water was estimated to be 20 ng/L (ppt, parts-per-trillion) for aminocyclopyrachlor and 1 n

72 and silver nanoparticles at the ng/kg level (ppt).

73 or the 17 elements tested, detection limits (ppt) and sensitivities achieved with the DIHEN (at 85 mi

74 xtremely low Os concentrations (into the low ppt level).

75 solute gas phase detection limits in the low ppt range (in MS/MS mode) were achieved for all compound

76 ds in real time at concentrations in the low ppt range, but cannot differentiate isomers or isobaric

77 nearity and detection limits in the very low ppt level for both total and speciation analyses were fo

78 hod to quantify blood MTBE levels in the low-ppt range.

79 ls present at ultratrace levels (down to low-ppt to sub-ppt levels) that are lower than the detection

80 ractions ranging from low picomoles per mol (ppt) to nanomoles per mol (ppb), depending on location a

81 for these pesticides down to the hundreds of ppt levels, nearing that which can be achieved with benc

82 to estimate the sensitivity (ion counts per ppt of the analytes) of the HRToF-CIMS to the acids.

83 (ntl)/brachyury, knypek (kny) and pipetail (ppt)/wnt5] interact to regulate posterior body morphogen

84 at ultratrace levels (down to low-ppt to sub-ppt levels) that are lower than the detection limits obt

85 30.0 degrees C and 29.6 parts per thousand (ppt) compared with 28.9 degrees C and 15.6 ppt for the p

86 mit of approximately 0.5 parts per thousand (ppt), or 410 pg, is found.

87 salinities from 27 to 43 parts per thousand (ppt), yet its salt acclimation strategy remains enigmati

88 a detection limit of 0.7 parts per thousand (ppt).

89 hydrolysis product is 7 parts per trillion (ppt) in solution with a linear range from 10 ppt to 10 p

90 ) of the melamine is 120 parts per trillion (ppt) in water and 100 parts per billion (ppb) in infant

91 d furans were measured at part per trillion (ppt) levels in beef fat collected from slaughter facilit

92 ection limits in the low parts per trillion (ppt) range.

93 At low parts per trillion (ppt), EE2 induces feminisation of male fish, diminishing

94 Ir concentration is 3000 parts per trillion (ppt); this peak is flanked by tails with Ir concentratio

95 ion (LOQ) of PhIP was 84 parts-per-trillion (ppt) employing 50 mg of hair.

96 spiked human urine at low part-per-trillion (ppt) levels using mass spectrometric detection.

97 picogram per milliliter (parts per trillion, ppt) range despite a sensitive and selective analytical

98 nging from low pmol/mol (parts-per-trillion; ppt) to nmol/mol (parts-per-billion; ppb), depending on

99 from 18 parts per trillion volume-to-volume (ppt v) to 80 parts per billion volume-to-volume (ppb v).

100 Moreover, ntl interacts with ppt and kny to synergistically regulate the posterior ex