Sentence examples for be difficult to selectively from inspiring English sources

Since porcine retroviruses are embedded in the swine genome, it would be difficult to selectively breed pigs free of PERV and other pathogens.

But in order to produce terahertz frequencies, the energy gaps need to be extremely close together, and it's difficult to selectively inject electrons in the right level.

Co2+ fluorescent probes have been scarcely developed in recent years because it is difficult to selectively sense cobalt ions in presence of competitive divalent ions.

By comparison, animal models reproduce key physiologic features of metastatic cancer in humans, but it is difficult to selectively manipulate and control experimental conditions in the intravascular microenvironment in vivo.

Due to the high sequence conservation of the four Iγ subclass promoters it was difficult to selectively amplify only the Iγl promoter region using standard PCR techniques.

It is difficult to selectively identify B12 transporter BtuFCD among other highly similar transport systems (such as iron/heme or siderophore transporters), although previous approaches, based on B12 element regulation, were utilized for the identification of BtuFCD in some bacteria [ 31].

Such combinatorial therapies that selectively impact a cancerous cell would be difficult to develop without single-cell gene and protein expression data.

However, it may be difficult to know whether species have been removed from the analysis deliberately and selectively [26].

The use of ASAXS at sulfur K-edge selechanges changes the scattering contrast relating to sulfur, thereby leading to the structural study of low-contrast samples that would otherwise be difficult to be conducted.

Such selective oxygenation reactions are difficult to perform selectively with chemical catalysts rendering BVMOs a powerful tool in organic chemistry.

Allegations of racial profiling by police are common, but researchers using data on traffic stops say it is difficult to show definitively that officers selectively target one race or ethnicity.