Example sentences of "recently [been] shown " in BNC.
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| 1 | ( The selenium analogue of has recently been shown to be a semiconductor . ) |
| 2 | His breathtaking , black and white exhibition of sharks , sealions and pelicans has recently been shown at the Fouts and Fouler Gallery in London , the pictures of which he is understandably most proud . |
| 3 | However , the sophisticated methodology of land-use planning , as well as the policy instruments of the programme , have recently been shown to be very fragile and unable to prevent large areas of land previously left uncultivated ( because of susceptibility to erosion ) , being once more put under the plough . |
| 4 | The film of that title , a Charlie Chaplin classic , had recently been shown in Salisbury , ‘ the Kid ’ being played by Jackie Coogan . |
| 5 | For example , It has recently been shown that a new drug ( misoprostol ) , if used prophylactically , can reduce the incidence of non-steroidal anti-inflammatory drug ( NSAID ) associated ulcers in those patients taking these drugs for their arthritis ( Graham et al , 1988 ) . |
| 6 | But it has recently been shown quite independently by Andrew Feinberg and Bert Vogelstein at Johns Hopkins University that the DNA of tumour cells is much less methylated than that of normal cells from the same tissue . |
| 7 | Tuck had many other film and TV roles including ‘ Postman 's Knock ’ with Spike Milligan which has recently been shown on TV . |
| 8 | To this end , two companies , Hoechst , whose product Trental ( oxpentifylline ) had recently been shown to be useful in the treatment of chronic venous ulceration , and Perstorp Pharma whose new product , Iodosorb ointment ( cadexomer iodine ) , useful in the treatment of infected ulcers , had recently been promoted , were contacted . |
| 9 | Certainly , a reproductive handicap has recently been shown in young Nauruan women with early onset non-insulin dependent diabetes . |
| 10 | It has recently been shown ( 6 ) that the TATA-box binding component of TFIID ( TBP ) , previously identified to be required for the transcription of U6 RNA by RNA polymerase III ( 5 , 9 , 10 , 11 ) , is also involved in the expression of classical pol III as well as pol I genes ( 6 , 28 , 29 , 30 ) . |
| 11 | It has recently been shown that the TATA-binding protein TBP stabilizes a transcription complex on the VAI gene ( 35 ) and participates in assembling the yeast multisubunit transcription factor IIIB on tRNA genes ( 36 , 37 ) presumably by locking the TFIIIB-TBP-TFIIIC-DNA-complex ( 36 ) . |
| 12 | The Creoles have recently been shown to be tonal , to express grammatical relations and even vocabulary differences ( though rarely ) through relative pitch differences on individual syllables . |
| 13 | In the case of gastrin , cell lines derived from colorectal carcinomas have recently been shown to contain gastrin mRNA , and some human colorectal cancers in short term tissue culture release a peptide into the culture medium which appears to have the immunological characteristics of gastrin . |
| 14 | As well as its anti-microbial activities , an anti-proliferative function has recently been shown for L1 and tentatively ascribed to its inhibition of casein kinase II . |
| 15 | Using the polymerase chain reaction , increased levels of mRNA for interleukin 1 have recently been shown in homogenates of mucosal biopsies from patients with inflammatory bowel disease , although the results for tumour necrosis factor mRNA are discrepant . |
| 16 | It has recently been shown that NO relaxes the human internal anal sphincter . |
| 17 | The site of acetylation of 5-ASA was widely assumed to be the liver , but it has recently been shown that the human colonic epithelial cell is capable of acetylating 5-ASA , and that N-acetyltransferase activity is present in the cytosol . |
| 18 | Furthermore , chronic ethanol consumption has recently been shown to increase the synthesis of pancreatic digestive enzymes and ethanol and acetaldehyde have been shown to inhibit pancreatic exocrine secretion . |
| 19 | Indeed , volatile fatty acids have recently been shown to activate apical membrane Na + /H + exchange in a human colon cancer cell line . |
| 20 | Familial adenomatous polyposis ( FAP ) has only recently been shown by clinical and molecular studies to encompass the two conditions formerly known as Gardner syndrome and polyposis coli . |
| 21 | It has recently been shown that daily administration of high doses of fenbendazole to the bitch from three weeks pre-partum to three weeks post-partum has largely eliminated transmammary and prenatal infection of the pups , although residual infection in the brain may persist . |
| 22 | Murine NF-L , NF-M and NF-H genes as well as the chicken NF-M gene have recently been shown to be expressed after transfection in non-neuronal cells ( 38,26,39 ) . |