ライフサイエンスコーパス: ochratoxin

1 omolar detection limits for the detection of ochratoxin A (1 nM) in red wine samples, as well as coca

2 rmitted the quantification of adenosine (A), ochratoxin A (O), and tyrosinamide (T) under the same op

3 oxicity and DNA damage induced by mycotoxins ochratoxin A (OTA) and fumonisin B1 (FB1).

4 e of aflatoxins (AFB1, AFG1, AFB2 and AFG2), ochratoxin A (OTA) and zearalenone (ZEA).

5 Aflatoxins (AFs), ochratoxin A (OTA) and zearalenone (ZEN) were analysed i

6 methodology was developed for evaluation of ochratoxin A (OTA) contamination in pork.

7 In this article, a novel aptasensor for ochratoxin A (OTA) detection based on a screen-printed c

8 k, we propose for the first time a sensitive Ochratoxin A (OTA) detection in cocoa beans using compet

9 of-flight mass spectrometry (LC-QTOF-MS) for ochratoxin A (OTA) determination in wine is evaluated fo

10 5-ADON), de-epoxy-deoxynivalenol (DOM-1) and ochratoxin A (OTA) during thermal processing has been st

11 A QuEChERS method for the extraction of ochratoxin A (OTA) from bread samples was evaluated.

12 r the determination of low concentrations of Ochratoxin A (OTA) has been developed.

13 roof-of-concept, the widely used aptamer for ochratoxin A (OTA) has been selected as a model.

14 ) has been proposed for the determination of ochratoxin A (OTA) in wine samples.

15 bular transport of the fluorescent mycotoxin ochratoxin A (OTA) into single proximal tubule segments

16 Ochratoxin A (OTA) is a fungal metabolite and putative c

17 Ochratoxin A (OTA) is a mycotoxin frequently encountered

18 are strongly demanded in food analysis since Ochratoxin A (OTA) is a widely diffused food contaminant

19 Ochratoxin A (OTA) is a widely spread nephrotoxic food c

20 Ochratoxin A (OTA) is a widespread and abundant natural

21 Ochratoxin A (OTA) is one of the main mycotoxins that ca

22 Ochratoxin A (OTA) is one of the most widespread and dan

23 label free immunosensor for the detection of Ochratoxin A (OTA) is reported.

24 Total aflatoxins (AFT) and ochratoxin A (OTA) levels were estimated using the VICAM

25 In present study aflatoxins (AFs) and ochratoxin A (OTA) were analysed in 208 samples of rice

26 bioassay for the detection and monitoring of Ochratoxin A (OTA), a natural carcinogenic mycotoxin pro

27 In the presence of target molecules, such as ochratoxin A (OTA), adenosine triphosphate (ATP), or thr

28 the simultaneous detection of the mycotoxins ochratoxin A (OTA), aflatoxin B1 (AFB1) and deoxynivalen

29 creasingly relevant as these toxins, such as ochratoxin A (OTA), aflatoxin B1 (AFB1) and deoxynivalen

30 enables sensitive and selective detection of ochratoxin A (OTA), chosen here as a model target, with

31 of Aspergillus ochraceus, a mold producer of ochratoxin A (OTA), in order to investigate the cell dam

32 The low molecular weight hapten, Ochratoxin A (OTA), is a natural carcinogenic mycotoxin

33 nic, carcinogenic, and immunotoxic nature of ochratoxin A (OTA), selective and sensitive monitoring o

34 idative stress and apoptosis are involved in Ochratoxin A (OTA)-induced renal cytotoxicity.

35 te of aptamers for the small molecule target ochratoxin A (OTA).

36 sensor for the detection and quantitation of ochratoxin A (OTA).

37 Ochratoxin A analyses were performed with immunoaffinity

38 als, and conducted selectivity studies using ochratoxin A and aflatoxin M1 (a metabolite of aflatoxin

39 odies showed imprinting efficiencies against ochratoxin A and aflatoxin M1 of 1.84 and 26.39, respect

40 Syrian samples were mainly contaminated with ochratoxin A and aflatoxins, whereas Italian samples wit

41 The concentrations of ochratoxin A and biogenic amines were far below the heal

42 nt differences in the content of sulphite or ochratoxin A between org and conv wines.

43 f major matrix components on the recovery of ochratoxin A by QuEChERS method using HPTLC and HPLC, an

44 t net secretion is the primary mechanism for ochratoxin A clearance by the proximal tubule.

45 ignal amplification for the detection of low ochratoxin A concentrations was defined.

46 Concerning the natural ochratoxin A contamination in cocoa by-products, the hig

47 Since ochratoxin A could be present in different food commodit

48 TLC and HPLC, and to validate the method for ochratoxin A determination in wheat flour by HPLC.

49 cake and cocoa powder) and the reduction of ochratoxin A during chocolate manufacture.

50 , octanoate, and alpha-ketoglutarate reduced ochratoxin A excretion to the same degree as PAH, wherea

51 valuate the effect of cereals composition on ochratoxin A extraction by multivariate analysis.

52 The kinetic analysis of ochratoxin A flux revealed secretion to be a saturable a

53 ChERS method was standardized for extracting ochratoxin A from flour using 1% ACN:water (2:1) as extr

54 ried out to assess the natural occurrence of ochratoxin A in 168 samples from different fractions obt

55 as applied to evaluate natural occurrence of ochratoxin A in 20 wheat flour samples, which were conta

56 ontents of pesticides, metals, sulphites and ochratoxin A in organically (org) and conventionally (co

57 observations indicate that the secretion of ochratoxin A in primary cultures of rabbit renal proxima

58 metry has been used for the determination of ochratoxin A in red wine samples.

59 The basal-to-apical flux of ochratoxin A increased with time and reached a steady st

60 smonic based optical biosensor prototype for ochratoxin A is described.

61 flour samples, which were contaminated with ochratoxin A levels in the range of 0.22-0.85 mug kg(-1)

62 The majority of ochratoxin A positive wines were from conv wine producer

63 , this experiment demonstrated that 93.6% of ochratoxin A present in the beans was reduced during the

64 The ochratoxin A recovery in these matrices was highly influ

65 ceptible to mycotoxin contaminations, so the Ochratoxin A residues were also investigated; a reductio

66 substrate para-aminohippurate (PAH) reduced ochratoxin A secretion by approximately 75%.

67 The kinetic analysis of PAH inhibition of ochratoxin A secretion revealed an IC50 of 195 mM, which

68 o acid phenylalanine had a minimal effect on ochratoxin A secretion.

69 ter was the least contaminated, showing that ochratoxin A seems to remain in the defatted cocoa solid

70 o the IC50 for PAH inhibition of peritubular ochratoxin A uptake in tubule suspensions and the Km, va

71 The secretory flux of ochratoxin A was as much as eightfold greater than the r

72 Transport of ochratoxin A was ATP-dependent but was neither mediated

73 The ability of such peptides to bind to ochratoxin A was evaluated by HPLC.

74 apical-to-basal flux, i.e., reabsorption, of ochratoxin A was minimal over time.

75 nd total Aflatoxin and Aflatoxin B1; whereas Ochratoxin A was related to Cu and Zn concentrations usi

76 p-aminohippurate (PAH), estrone sulfate, and ochratoxin A were approximately 10-, approximately 48-,

77 in cocoa by-products, the highest levels of ochratoxin A were found in the shell, cocoa powder and c

78 h the mean concentrations of zearalenone and ochratoxin A were higher in conventional than in organic

79 ycotoxins (aflatoxins B1, B2, G1 and G2, and ochratoxin A) were also determined.

80 Mycotoxins, such as aflatoxins and ochratoxin A, are presently considered as the most impor

81 to effectively identify total aflatoxins and ochratoxin A, at low concentrations (3 ng/mL and less th

82 presence of 22 mycotoxins (four aflatoxins, ochratoxin A, diacetoxiscyrpenol (DAS), three fumonisins

83 hod for the determination of ten mycotoxins (ochratoxin A, fumonisin B1, fumonisin B2, deoxynivalenol

84 1, aflatoxin B2, aflatoxin G1, aflatoxin G2, ochratoxin A, lead, cadmium, mercury, arsenic, copper, z

85 1, aflatoxin B2, aflatoxin G1, aflatoxin G2, ochratoxin A, T-2 toxin and zearalenone, were found in t

86 it of 0.4 ng/mL) and small molecular toxins (Ochratoxin A, with a detection limit of 6.8 ng/mL), resp

87 he simultaneous determination of aflatoxins, ochratoxin A, zearalenone, deoxynivalenol, fumonisins, T

88 e synthesis of O-methylmellein, mellein, and ochratoxin A.

89 ) followed by aflatoxin B1, aflatoxin G1 and ochratoxin A.

90 hus confirming its specific interaction with ochratoxin A.

91 acid over the ubiquitous mycotoxin known as ochratoxin A.

92 elial transport of the nephrotoxic mycotoxin ochratoxin A.

93 0.14ng/mL for aflatoxins M1, B1, B2, G1, G2, ochratoxins A and B, HT-2 and T-2 toxins, deepoxy-deoxyn

94 ated by the development of an aptasensor for ochratoxin (A).

95 Two metabolites, ochratoxin alpha and ochratoxin B, were identified, sugg

96 nd A. flavus and inhibited the production of ochratoxin and aflatoxin-B2.

97 d were between 0.2ngL(-1) for aflatoxins and ochratoxin, and 2.0ngL(-1) for fumonisins and neosolanio

98 Two metabolites, ochratoxin alpha and ochratoxin B, were identified, suggesting that biodegrad

99 ilk, such as fumonisins, sterigmatocystin or ochratoxin B.

100 Easy, sensitive, rapid and low cost ochratoxin biosensors are strongly demanded in food anal

101 sensing a target molecule such as ATP, HIV, ochratoxin, potassium ions, and thrombin can be develope

102 y members of Aspergillus section Circumdati, ochratoxin was not detected in filtrates of cultures gro