Sentence examples for many biological samples from inspiring English sources

Many biological samples are composed of several cell types.

With incoherent light, phase information is not visible, but many biological samples consist only of variations of refractive index, which results in optical path and hence phase, differences.

Isotachophoretic stacking injection of 1000- to 10 000-fold diluted samples, which had been pretreated with a custom-designed solid-phase microextraction (SPME) cartridge, was employed to assay micromolar and nanomolar nitrite and nitrate levels in the presence of the high millimolar chloride concentrations characteristic of many biological samples.

We estimate that for many biological samples, imaged under experimentally realistic conditions, objects separated by ∼2 ri will be resolvable.

However, the large amounts of DNA required by this method limit its use in many biological samples.

These microscopes literally lifted the clouds on many biological samples, enabling visualisation of structure and dynamics by fluorescence microscopy of larger 3D biological systems 9– 11.

Consequently, when viewed over many individual biological samples of the same type, subtle spectral trends indicative of the presence of one or more otherwise obscured metabolites may be revealed.

Sixth, analytical methods in human biomonitoring now provide accurate quantification of many substances in biological samples.

First, the genetic encoding procedure should be sufficiently flexible to enable the introduction of the isotope in any protein, in as many types of biological samples as possible.

We show that this method is very sensitive and can be applied to monitor PAD activity in many types of biological samples, such as bacterial lysates, mammalian cell extracts and tissue extracts.

Analytical methods in human biomonitoring now provide accurate quantification of many substances in biological samples; biomonitoring programs exist at the national, state, and international levels and provide a unique and valuable snapshot of population exposures to chemicals in our environment.