"one day interval" is correct and usable in written English.
You can use it when you are referring to a period of time in which something occurs every day, such as "We take a one day interval between each project."
Bacterial stocks were stored at -80°C in appropriate media supplemented with 33%% (v/v) glycerol and subcultured three times at one day intervals on fresh agar plates before use.
The sample was withdrawn at regular one day intervals up to 7 days and replaced with the same volume of freshly prepared PBS pH 7.4.
Cell free supernatants were collected at one day intervals by centrifuging culture broths at 10,000 rpm for 30 min at 4°C and used for detection of lipopeptide antimicrobial activity using Kirby-Bauer disk diffusion susceptibility test (Bauer et al. [1966]).
Using a standardised PW Doppler echocardiographic protocol, 10 healthy adult unsedated female Saanen goats were investigated three times at one day intervals by the same observer.
When the tumour length exceeded 0.5 cm, the mice were randomly divided into five groups (10 mice per group) and subsequently injected intraperitoneally with 6 pmol (L), 60 pmol (M), 600 pmol (H) TGFαL3SEAD227A, 60 pmol rSEA or PBS four times at one day intervals.
Students from different schools are pairing up, renting cars and driving around to visit and present at camps in twenty-one day intervals.
If the occurrence of rainfalls at different rain gauges within a given concurrent period is similar (e.g. high correlation of the numbers of rainy hours within a given one-day interval), these gauges are thus considered as members of a homogeneous group.
By inference, this result implied that the first 16 floral meristems arose 75% of the time in one-day interval from one another.
