Sentence examples for been observed previously when from inspiring English sources
Pore-clogging in SBA-15 type materials has been observed previously when the synthesis temperature was kept near room temperature [25].
A CEACAM1-mediated uptake of Opa protein-negative N. meningitidis MC58 has not been observed previously, when CEACAM1-transfected CHO cells were used [46].
Similar protein ladders have been observed previously when O-polysaccharide-protein conjugates were produced in recombinant E. coli[ 3, 4].
Interestingly, this finding has been observed previously when bexarotene was added to gemcitabine/platinum combination in the treatment of non-small cell lung cancer.
We postulate that this inferred cytosolic iron depletion occurs as frataxin-deficient cells overload their mitochondria with iron, a downstream regulatory effect that has been observed previously when mitochondrial iron sulfur cluster assembly is disrupted.
A similar effect has been observed previously when plerixafor was used alone in patients with AML undergoing induction chemotherapy and was shown to be due to plerixafor-mediated inhibition of CXCR4 internalization by CXCL12.
Populations evolved under these conditions did not show a shortened extinction time, as was observed previously when mutational meltdown conditions prevailed under only a weak mutational pressure of no added MnCl2 [ 22].
Inversion is a common feature of closely spaced markers and this phenomenon has been observed previously in sorghum when aligning different sorghum maps [ 27, 30].
Similar effects had been observed previously in Gluconobacter oxydans MF1 when the gene coding for glucose dehydrogenase or gluconate-5-dehydrogenase was overexpressed (Merfort et al. 2006).
The development of such a texture has been observed previously in aluminium alloys, particularly when fine particles effecting Zener pinning of grain boundaries are present.
Both wt and pacCc colony growth resulted in an alkalinization of the PDA medium, as has been observed previously for several Trichoderma species, when secondary nitrogen is available [ 36, 47].
