A method has been devised to measure the uptake of nutrients by small numbers of mouse
ova and preimplantation embryos. The 1–5 embryos were incubated as a group at 37° C in …

The uptake of pyruvate and glucose by single, cultured mouse embryos has been measured
non-invasively throughout the pre-implantation period. The embryos, derived from CBA× …

Pyruvate and glucose uptake by 73 indivudial human oocytes and preimplantation embryos
was measured non-invasively, using an ultramicrofluorescence assay to analyse changes in …

Although human embryos will develop in vitro for six days or more, little is known about the
effects of the primary nutrients, pyruvate and glucose, on development. Because the nutrient …

Normal levels of pyruvate in freshly collected follicular fluid were found to be 0.45 mM, a
value˜ 4× that of serum. The utilization of pyruvate by human oocytes and early embryos has …

The consumption of pyruvate and glucose, and the production of lactate, by single
preimplantation embryos, was measured using a noninvasive technique. Embryos were …

An ultramicrofluorometric technique was used to measure the uptake of glucose by single
mouse blastocysts prior to transferring them into the uterus of pseudopregnant foster …

The consumption of pyruvate and glucose and the production of lactate by 40 single human
preimplantation embryos has been measured using a non-invasive technique. Twelve of the …

An ultramicrofluorometric technique was used to analyse the nutrient composition of mouse
oviduct fluid. The concentrations of pyruvate, glucose and lactate in the vicinity of the …

The uptake of pyruvate and glucose by individual sheep oocytes and preattachment sheep
embryos at each state of development up to the hatching blastocyst was determined using a …