公开(公告)号：US09297756B2

公开(公告)日：2016-03-29

申请号：US13757460

申请日：2013-02-01

申请人： M. Lizabeth Alexander ,  James F. Kelly ,  Robert L. Sams ,  James J. Moran ,  Matthew K. Newburn ,  Thomas A. Blake

发明人： M. Lizabeth Alexander ,  James F. Kelly ,  Robert L. Sams ,  James J. Moran ,  Matthew K. Newburn ,  Thomas A. Blake

IPC分类号： G01N21/00 ,  G01N21/59 ,  G01J3/433 ,  G01N21/31 ,  G01N21/39 ,  G02B6/42 ,  G01N21/3504 ,  G01N21/71 ,  G02B6/02 ,  G01N21/03 ,  G01N21/05 ,  G01N21/85

CPC分类号： G01N21/3504 ,  G01J3/4338 ,  G01N21/3103 ,  G01N21/39 ,  G01N21/59 ,  G01N21/718 ,  G01N2021/0346 ,  G01N2021/052 ,  G01N2021/3125 ,  G01N2021/399 ,  G01N2021/8578 ,  G01N2201/06113 ,  G02B6/02328 ,  G02B6/4296

摘要： A capillary absorption spectrometer and process are described that provide highly sensitive and accurate stable absorption measurements of analytes in a sample gas that may include isotopologues of carbon and oxygen obtained from gas and biological samples. It further provides isotopic images of microbial communities that allow tracking of nutrients at the single cell level. It further targets naturally occurring variations in carbon and oxygen isotopes that avoids need for expensive isotopically labeled mixtures which allows study of samples taken from the field without modification. The method also permits sampling in vivo permitting real-time ambient studies of microbial communities.

摘要翻译： 描述了一种毛细管吸收光谱仪和方法，其提供样品气体中分析物的高度灵敏和准确的稳定吸收测量，其可以包括从气体和生物样品获得的碳和氧的同位素学。 它进一步提供微生物群落的同位素图像，允许在单细胞水平追踪营养物质。 它进一步针对碳和氧同位素的自然发生变化，避免了昂贵的同位素标记的混合物的需要，这些混合物允许研究从现场取样而无需修改。 该方法还允许在体内取样，允许微生物群落的实时环境研究。