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BOC Sciences is committed to providing customers with high-quality and stable isotope nitrogen-15 labeled peptides, amino acids, nucleic acids, steroids, APIs, impurities, inhibitors, metabolites, carbohydrates, polymers, fatty acids and lipids, as well as other products.


Nitrogen is an important life element that affects the metabolism of organisms and is widely distributed in nature. There are two natural isotopes of nitrogen, nitrogen-14 (14N) and nitrogen-15 (15N). Nitrogen-14 is the most common nitrogen isotope (non-radioactive) and makes up 99% of natural nitrogen. Nitrogen-15 is a rare nitrogen stable isotope (non-radioactive). In addition, because all radioisotopes of nitrogen have short half-lives, the longest-lived nitrogen-13 has a half-life of only a few minutes. Thus, there is no suitable radioisotope for nitrogen as a tracer atom. The stable isotope nitrogen-15 has stable performance, and its content can be accurately detected by mass spectrometry and emission spectroscopy. Therefore, nitrogen-15 can be used as a tracer atom of nitrogen compounds and has been widely used in many fields such as agriculture, biomedicine, environmental science, etc.

Nitrogen-15 labeled compounds

Nitrogen-15 labeled compound refers to using the stable isotope nitrogen-15 instead of the original nitrogen in the compound. Nitrogen-15 is the only applicable tracer in biomedical experiments. Nitrogen-15 labeled amino acids, peptides, carbohydrates, nucleic acids, lipids, steroids, and other compounds are widely used in medicine, life sciences, environmental sciences, agricultural research and other fields.

  • Medicine: Nitrogen-15 labeled compounds can be used for studies on metabolic transformation, exploration of metabolic reaction mechanisms, auxiliary clinical diagnosis, monitoring of lesions, clinical nutrition research, etc.
  • Life sciences: Nitrogen-15 labeled compounds can be used in the biosynthesis of natural organic matter, pharmacokinetics research, drug metabolite identification, pharmacological research, etc.
  • Environmental science: Nitrogen-15 is a good pollutant indicator. Nitrogen-15 labeled compounds can be used in various researches such as air and water quality.
  • Agricultural research: Nitrogen-15 labeled compounds can be used in plant physiology and biochemistry research, soil and plant nutrition research, plant protection research, crop improvement, biological nitrogen fixation, etc.

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