Our Story

Jotbody is an early-stage biotechnology company founded in 2020 with dual sites operating in Hong Kong and Shenzhen, China. We can count on an excellent network of entrepreneurs and experienced scientists with a strong background in biochemistry, immunology and drug delivery.

We are dedicated to providing researchers with Single Domain Antibody of out-standing quality for in vitro diagnosis and therapy.


Our Goal

We aim to speed up research and discovery by providing the highest quality Single Domain Antibody at an outstanding value and with excellent customer and technical support.


Our Mission

We envision a World where high-quality R&D can be broadly accessed and can generate significant benefit for patients and healthcare payers worldwide.


Our Vision

Single domain antibody holds the potential to revolutionizing many aspects of the actual clinical settings. We want to contribute to the development of a new wave of therapeutics.


Collaborate with Us

We constantly scout opportunities that have innovative potential to solve unmet needs. If you believe that your product fits within our scope, we are open to collaborate with you. Please contact us for more information.
We look forward to developing a mutually beneficial collaboration with you.





  • High-affinity anti-EGFP and anti-SARS-CoV-2 vNAR single domain antibodies and use thereof. PCT/CN2021/128297
  • Method of Producing Antibody Fragment, CN201811318557.4
  • Specific primer pairs designed for single variable new antigen receptor domain derived from IgNAR of Chiloscyllium plagiosum, CN111197074A
  • Method of Producing Antibody Fragment, US20190135904


Selected publications:


  • Bamboo sharks for affordable single domain antibody production. Front. Bioeng. Biotechnol. 9:792111
  • Cas9-based local enrichment and genomics sequence revision of megabase-size shark immunoglobulin new antigen receptor loci. J Immunol. 2022 Jan 1;208(1):181-189
  • Covalent conjugation of extracellular vesicles with peptides and nanobodies for targeted therapeutic delivery. J ExtracellVesicles. 2021;10:e12057
  •  The White-Spotted Bamboo Shark Genome Reveals Chromosome Rearrangements and Fast-Evolving Immune Genes of Cartilaginous Fish. Iscience. 2020; 23(11): 101754
  • The novel llama-human chimeric antibody has potent effect in lowering LDL-c levels in hPCSK9 transgenic rats. Clin Trans Med. 2020;09, 16



  • Awardee HK Tech 300 Angel Fund (2022)
  • Incubatee of HKSTP Incu-Bio Programme (2021)
  • Incubatee of Shenzhen Engineering Biology Industry Innovation Center (2021)
  • Awardee of HK Teck 300 seed fund (2021)
  • The 13th China (Shenzhen) Innovation and Entrepreneurship Competition, Shenzhen-Hong Kong-Macao University Preliminary Competition, Winning Prize (2021)
  • The 4th China (Guangdong) Chuangyi Innovation and Entrepreneurship Preliminary Competition, Silver Award (2021)

Let’s make something together.