Example sentences of "samples were [verb] [prep] [num] " in BNC.
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1 | Once the indium-111 counting was completed the samples were stored for four to six weeks to allow decay of the indium-111 . |
2 | Oesophageal fluid was undiluted but salivary samples were diluted to 1 in 30 to bring amylase values into the known linear range for the assay . |
3 | The pooled samples were homogenised for 20 minutes in five times the faecal weight of cold water using a Stomacher 3500 ( Seward , London , UK ) . |
4 | Tissue samples were homogenised in 50 mM KH 2 PO 4 / K 2 HPO 4 buffer ( pH 6.0 ) and sonicated ( 30 seconds ) in an ice water bath . |
5 | Then , except for control reactions , the samples were exposed to 254 nm UV for 5 min , denatured and resolved by SDS-PAGE . |
6 | All blood samples were obtained between 0830 and 0930 h to keep to a minimum the spontaneous circadian variation of fibrinolytic system . |
7 | Three hundred and sixty six serum samples were obtained from 274 unrelated patients attending the departments of Gastroenterology and Internal Medicine over a nine month period . |
8 | Altogether 131 juice and 119 plasma samples were obtained from 58 patients in the DU trials and 11 patients in the IM trial . |
9 | Serum samples were obtained from 12 patients with active coeliac disease and seven with non-active disease , and compared with serum samples of 17 children with gastrointestinal symptoms but with a small bowel normal unbiopsy examination and 33 normal controls . |
10 | Preliminary studies were undertaken in which random blood samples were obtained from 15 subjects and processed as serum . |
11 | Further blood samples were collected at 10 , 20 , and 30 minutes after the start of the infusion . |
12 | Paired hepatic and gall bladder bile samples were collected from 10 patients with cholesterol gall stones and six patients without gall stones . |
13 | Serum samples were collected from 6749 unselected women receiving antenatal care at two hospitals in west London during 1980–6 . |
14 | 140 paired OMT and serum samples were collected from 50 British and 90 Tanzanian individuals , including 52 with symptom-free confirmed HIV-1 infection . |
15 | These samples were collected in nineteen eighty six so we can calculate that the water is seventeen years old . |
16 | End expiratory breath samples were collected in 50 ml polyethylene syringes , while the volunteer exhaled through a modified Haldane-Priestley tube , and the H 2 concentration was measured by a research chromatograph ( Hewlett-Packard 5750G ) equipped with a thermal conductivity detector . |
17 | After the ingestion of the lactulose drink or the rice flour meal end expiratory breath samples were collected in 50 ml polyethylene syringes at time 0 and 15 minute intervals thereafter over a 5.5 or seven hour period for the lactulose or the rice flour test respectively . |
18 | The thawed samples were spun at 1000 g for 10 minutes and 500 µl aliquots were taken into a second acid washed plastic tube , diluted 1:9 with ultrapure 0.11 M nitric acid , and analysed by ICPES ( Philips PV 8050 ) at the following wavelengths : potassium 766.49 nm , sodium 588.99 nm , magnesium 383.83 nm , copper 324.75 nm , calcium 315.89 nm , iron 259.94 nm , and zinc 213.86 nm . |
19 | All urine samples were analysed on one occasion . |
20 | Venous blood samples were taken at 1 , 2.5 , and 4 hours for measurement of plasma total amino acid concentrations , plasma leucine specific activity , and plasma protein synthesis rates . |
21 | A blood sample was taken five minutes after completing the drink and further samples were taken at 10 minutes intervals for 90 minutes . |
22 | End expiratory breath samples were taken at 10–15 minute intrvals after ingestion of the meal for breath hydrogen analysis . |
23 | Three venous blood samples were taken at 15 minute intervals . |
24 | Serum samples were taken from 32 patients with ulcerative colitis ( 19 males and 13 females ) . |
25 | Rectal mucosal biopsy samples were taken from 25 patients presenting with their first episode of ulcerative colitis ( new colitis ) , 20 patients with active relapse of ulcerative colitis , and 44 patients with quiescent ulcerative colitis . |
26 | Samples were taken from three different normal subjects in the same physiological conditions . |
27 | Control serum samples were taken from 31 healthy hospital workers . |
28 | After addition of 24 U of Bal 31 ( Boehringer Mannheim ) , 400 µl samples were removed at 0.5 , 2 , 7.5 , 15 , and 60 min . |
29 | The sonicated samples were centrifuged at 20000 g for 20 minutes and the supernatants were stored frozen at -80°C until assay . |
30 | Samples were recovered with 100 µl of 60% ethanol and were assayed as described above . |