Boom or not, there’s always a need for startup capital in biotech. A new source is about to emerge. The founders of LabCentral and Cambridge BioLabs, well-known biotech incubators in Cambridge, MA, are on the verge of closing what they hope to be a $150 million early-stage fund for biotechs seeking seed and <span style="line-height: 18.9091px;">Series A cash, Xconomy has learned.</span>