lag phase


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lag phase

a brief period in the course of the growth of a bacterial culture, especially at the beginning, during which the growth is very slow or scarcely appreciable.

lag phase

Etymology: Dan, lakke, go slowly; Gk, phasis, appearance
a time span during which bacteria injected into a fresh medium have not begun to multiply, although they may enlarge.

lag phase

Emergency medicine The period between when a person is exposed to a toxic inhalant–eg, cadmium fumes, dimethyl sulfate, methyl bromide, ozone, nitrogen oxides, phosgene, phosphorus compounds and others and development of pulmonary edema–up to 12 hrs

lag phase

  1. the stage of growth of microbial cells where nucleic acids and proteins are synthesized, but there is no cell division.
  2. an adaption stage. See GROWTH CURVE
References in periodicals archive ?
Further, lag phase times (X), estimated from the methane production data by optimization using the modified Gompertz equation, were considerably prolonged to 4.
This new understanding or Salmonella metabolism during lag phase show how rapidly Salmonella senses favourable conditions and builds up the materials needed for growth.
This study reveals that, there is no observation of immediate cell growth on microcarrier but the lag phase was about 24 and cells reached confluence six days after inoculation.
At this phenol concentration, in the absence of GAC, the suspension cells experienced a short lag phase of about 5 h before phenol was gradually degraded, concomitant with cell growth.
5 [micro]M-10 [micro]M) in the presence of Cu(II) a concentration-dependent increase in the lag phase was observed.
alpha]-Tocopherol supplementation led to significant increases in lag phase of oxidation as measured by all three indices in the control, DM2, and DM2-MV groups, respectively, as reported previously for conjugated dienes (20).
This lack of independent validation explains the lag phase in biomarker transition from discovery to development as well as a relatively small impact of biomarker research on healthcare," cites the analyst of this research service.
Ridge Winery was named as winner of the Vintage Report Innovation Award for their study on "The Effects of Lag Phase Thinning on Dry Creek Valley Zinfandel.
The researchers determined various growth characteristics, including the lag phase duration, growth rate and maximum population density of the bacteria and native microflora.
At 14[degrees]C, the lag phase of growth lasted approximately __ hours.
Modelling Lag-Time in Predictive Microbiology with Special Reference to Lag Phase of Bacterial Spores.