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The authors declare that they have no competing interests. Authors’ contributions The work presented here was performed in collaboration of all authors. JJ designed and performed APR-246 nmr the work, analyzed the data, and drafted the manuscript. VHP and BR designed and supervised the research work. SHH revised the manuscript. JSC supervised and drafted the manuscript. All authors read and approved the final manuscript.”
“Background Gastric cancer is the second most common cancer and the third leading cause of cancer-related death in China [1–3]. It remains very difficult to cure effectively, primarily because most patients present with advanced diseases [4]. Therefore, how to recognize and track or kill early gastric cancer cells is a great challenge for early diagnosis

and therapy of patients with gastric cancer. We have tried to establish an early gastric cancer pre-warning and diagnosis system since 2005 [5, 6]. We hoped to find early gastric cancer cells in vivo by multimode targeted imaging and serum biomarker detection techniques [7–12]. Our previous studies showed that subcutaneous and in situ gastric cancer tissues with 5 mm in diameter could be recognized and treated by using multifunctional nanoprobes such as BRCAA1-conjugated www.selleck.co.jp/products/azd9291.html fluorescent magnetic nanoparticles [13], her2 antibody-conjugated RNase-A-associated CdTe quantum dots [14], folic acid-conjugated upper conversion nanoparticles [15, 16], RGD-conjugated gold nanorods [17], ce6-conjugated carbon dots [18], and ce6-conjugated Au nanoclusters (Au NCs) [19, 20]. However, clinical translation of these prepared nanoprobes still poses a great challenge. Development of safe and highly effective nanoprobes for targeted imaging and simultaneous therapy of in vivo early gastric cancer cells has become our concern. Carbon nanotubes (CNTs) have been intensively investigated due to their unique electrical, mechanical, optical, thermal, and chemical properties [21–26].