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上海恒遠生物科技有限公司>公司動態>喜訊:祝賀南京農業大學王老師成功領取獎學金

公司動態

喜訊:祝賀南京農業大學王老師成功領取獎學金

閱讀:778          發布時間:2021-5-11

    恒遠生物 專業致力于打造國際民族品牌提供全面的、創新的、優質的、便捷的科研產品和服務。目前我們自主研發的重組蛋白、抗體、ELISA檢測試劑盒得到廣大科研用戶的認可,并且多次發表于國際期刊,進一步推動了民族品牌國際化的傳播。

 

 五月,大家的論文寫得怎么樣了?

  首先我們要祝賀一下來自南京農業大學的王老師,2021年王老師在《International Journal of Nanomedicine》(國際納米醫學雜志)發表了SCI文獻,發表的文獻影響因子(IF)達到了5.15分!然后讓我們恭喜王老師領到了恒遠生物的獎學金!

 

  
這篇論文寫的非常棒,其中有很多實驗方法和思路值得我們借鑒,小編想要分享給大家,希望能夠對做實驗的小伙伴們有一點點幫助,也希望大家積極的參與到我們的“fa論文贏獎學金”活動,小編等著你們的投稿哦,說不定下一個領獎學金的人就是你!

 

一、恒遠產品文獻分享:

【文獻標題】

Nanoparticles of Chitosan/Poly(D,L-Lactide-CoGlycolide) Enhanced the Immune Responses of Haemonchus contortus HCA59 Antigen in Model Mice
【作者單位】南京農業大學(Nanjing Agricultural University)
【文獻中引用產品】
小鼠免疫球蛋白G1(IgG1)ELISA試劑盒
小鼠IgG2a抗體亞型ELISA試劑盒
小鼠免疫球蛋白M(IgM)ELISA試劑盒
小鼠白介素4(IL-4)ELISA試劑盒
小鼠白介素12(IL-12)ELISA試劑盒
小鼠白介素17A(IL-17A)ELISA試劑盒
小鼠γ干擾素(IFN-γ)ELISA試劑盒
小鼠轉化生長因子β(TGF-β) ELISA試劑盒
【關鍵詞】
【DOI】doi.org/10.2147/IJN.S301851 
【影響因子(IF)】5.15
【出版期刊】《International Journal of Nanomedicine》

 

二、產品原文引用

Cytokine Assays

The levels of IL-4, IL-12, IL-17, IFN-γ, and TGF-β in sera from the ten groups were investigated with commercial ELISA kits (HengYuan, Shanghai, China) according to the manufacturer’s guidelines.

 

Characterization of rHCA59-CS NPs and rHCA59-PLGA NPs

 

After conjugation, PLGA and Chitosan nanoparticles were precipitated and the free amounts of rHCA59 protein were determined by a BCA protein assay kit. It was found that 89% and 71% of rHCA59 were conjugated to PLGA and Chitosan, respectively. In other words, a total of 1.78 mg of protein bound to PLGA, and 1.42 mg of protein bound to Chitosan.A scanning electron microscopy was used to identify the size and morphology of PLGA and Chitosan nanoparticles. The SEM results showed that both PLGA and Chitosan nanoparticles’ appearances were smooth. The size of rHCA59-PLGA NPs was from 180 nm to 402 nm (Figure 1A) and the size of rHCA59-CS NPs was from 200 nm to 500 nm (Figure 1B).

 
 

 

Figure 3 Effects of different antigen delivery systems on the expressions of multiple cytokines. Sera were collected and detected on day 14 by ELISA. 

 

Notes: (1): PBS group (blank control). (2): pET-32a protein group. (3): PBS-PLGA group. (4): PBS-CS group. (5): PBS-CFA group. (6): rHCA59 group. (7): rHCA59-PLGA group. (8): rHCA59-CS group. (9): rHCA59-CFA group. (10): rHCA59-CS-PLGA group. (A) IL-12. (B) IL-17. (C) IFN-γ. (D) IL-4. (E) TGF-β. Data are representative of triplicate independent experiments (*p < 0.05, **p < 0.01, and ***p < 0.001). Abbreviations: PLGA, poly-D,L-lactide-co-glycolide; CS, Chitosan; CFA, complete Freund’s adjuvant; IL, interleukin; ELISA, enzyme linked immunosorbent assay

 
Figure 5 Effects of different antigen delivery systems on T lymphocyte subsets.

Notes: rHCA59 loaded nanoparticles could affect the proportions of CD4+ T cells and CD8+ T cells in immunized mice. The percentages of CD4+ T cells (A1–A10) and CD8+ T cells (B1–B10) in ten groups were investigated by flow cytometry on day 14 after immunization. (C and D) Different treatments affected the proportions of CD4+ T cells and CD8+ T cells. (A1 and B1) PBS group (blank control). (A2 and B2) PBS-CFA group. (A3 and B3) PBS-PLGA group. (A4 and B4) PBS-CS group. (A5 and B5) pET-32a protein group. (A6 and B6) rHCA59 group. (A7 and B7) rHCA59-CFA group. (A8 and B8) rHCA59-CS group. (A9 and B9) rHCA59-PLGA group. (A10 and B10) rHCA59-CS-PLGA group. The results shown here are from three independent experiments (*p < 0.05, **p < 0.01, and ***p < 0.001). Abbreviations: CD4, cluster of differentiation 4; CD8, cluster of differentiation 8; T cells, thymus cells; PLGA, poly-D,L-lactide-co-glycolide; CS, Chitosan; CFA, complete Freund’s adjuvant.

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