sodium benzoate ascorbic acid cancer

báo cáo hóa học:" High dose concentration administration of ascorbic acid inhibits tumor growth in BALB/C mice implanted with sarcoma 180 cancer cells via the restriction of angiogenesis" potx

báo cáo hóa học:" High dose concentration administration of ascorbic acid inhibits tumor growth in BALB/C mice implanted with sarcoma 180 cancer cells via the restriction of angiogenesis" potx

... in ascorbic acid in 2.5 mM and ascorbic acid in 10 mM (Figure 6). Therefore, migration was inhibited according to ascorbic acid concentration in cancer cell and the treatment time. Conclusion Ascorbic ... anticancer effect of ascorbic acid, lysine, proline, arginine, and green tea extract on various cancer cells, and suggested that such substances, including ascorbic acid, were affordable as a cancer ... concentration of ascorbic acid on mouse model experimentsFigure 2 Effects of high dose concentration of ascorbic acid on mouse model experiments. Ascite formation and cancer induction were shown in cancer...

Ngày tải lên: 18/06/2014, 15:20

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Báo cáo sinh học: " Intravenous ascorbic acid to prevent and treat cancer-associated sepsis?" pptx

Báo cáo sinh học: " Intravenous ascorbic acid to prevent and treat cancer-associated sepsis?" pptx

... Concentrations of ascorbic acid in plasma and white blood cells of patients with cancer and noncancerous chronic disease. Cancer 1952, 5:678-684. 143. Butcher RG, Chayen J: Oxidation of L -ascorbic acid by ... treatment of cancer. II. Clinical trial of high-dose ascorbic acid supplements in advanced human cancer. Chem Biol Interact 1974, 9:285-315. 12. Yeom CH, Jung GC, Song KJ: Changes of terminal cancer ... Sustained levels of ascorbic acid are toxic and immunosuppressive for human T cells. P R Health Sci J 1996, 15:21-26. 213. Huwyler T, Hirt A, Morell A: Effect of ascorbic acid on human natural...

Ngày tải lên: 18/06/2014, 19:20

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báo cáo hóa học:" Intravenous ascorbic acid to prevent and treat cancer-associated sepsis?" docx

báo cáo hóa học:" Intravenous ascorbic acid to prevent and treat cancer-associated sepsis?" docx

... Concentrations of ascorbic acid in plasma and white blood cells of patients with cancer and noncancerous chronic disease. Cancer 1952, 5:678-684. 143. Butcher RG, Chayen J: Oxidation of L -ascorbic acid by ... treatment of cancer. II. Clinical trial of high-dose ascorbic acid supplements in advanced human cancer. Chem Biol Interact 1974, 9:285-315. 12. Yeom CH, Jung GC, Song KJ: Changes of terminal cancer ... Sustained levels of ascorbic acid are toxic and immunosuppressive for human T cells. P R Health Sci J 1996, 15:21-26. 213. Huwyler T, Hirt A, Morell A: Effect of ascorbic acid on human natural...

Ngày tải lên: 20/06/2014, 03:20

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Báo cáo khoa học: Polysaccharide binding sites in hyaluronate lyase – crystal structures of native phage–encoded hyaluronate lyase and its complexes with ascorbic acid and lactose docx

Báo cáo khoa học: Polysaccharide binding sites in hyaluronate lyase – crystal structures of native phage–encoded hyaluronate lyase and its complexes with ascorbic acid and lactose docx

... substrate. Ascorbic acid binding Ascorbic acid (Fig. 1A) inhibits the activity of HylP2. The structure of the complex of HylP2 with ascorbic acid shows that three molecules of ascorbic acid bind to ... the reservoir solutions containing ascorbic acid and lactose at a concen- tration of 100 mgặmL )1 for 48 h. Detection of ascorbic acid in crystals Ascorbic acid detection was carried out using ... the presence of ascorbic acid. In host tissue matrix, the ascorbic acid exists at concentrations in the range 0.2–8 mm [15], which are within the range of the IC 50 of ascorbic acid against HylP2....

Ngày tải lên: 23/03/2014, 04:21

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Báo cáo khoa học: Ascorbic acid-pretreated quartz enhances cyclo-oxygenase-2 expression in RAW 264.7 murine macrophages pdf

Báo cáo khoa học: Ascorbic acid-pretreated quartz enhances cyclo-oxygenase-2 expression in RAW 264.7 murine macrophages pdf

... which is the origin of the later dysfunctions. Ascorbic acid is known to selectively dissolve the quartz surface. During the reaction, ascorbic acid progressively disappears and hydroxyl radicals ... sub- stantial amounts of ascorbic acid are present in the lung epithelium. We studied the inflammatory response of the murine macrophage cell line RAW 264.7 incubated with ascorbic acid- treated quartz, ... incuba- ted with ascorbic acid- treated quartz compared with untreated quartz. In conclusion, the selective interaction with, and modification of, quartz parti- cles by ascorbic acid may be a crucial...

Ngày tải lên: 23/03/2014, 10:20

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Báo cáo khoa học: Ascorbic acid induces a marked conformational change in long duplex DNA doc

Báo cáo khoa học: Ascorbic acid induces a marked conformational change in long duplex DNA doc

... different concentrations of ascorbic acid. (B) 100 l M ascorbic acid. (C) Solid line, difference spectrum [(30 l M T4 DNA + 100 l M ascorbic acid) solution ) (100 l M ascorbic acid) solution]. Broken ... DNA moving freely in aqueous solution at different ascorbic acid concentrations. (A) Buer solution; (B) 200 l M ascorbic acid; (C) 5 m M ascorbic acid. 5 àm Fig. 2. Fluorescence microscopic images ... presence of ascorbic acid. Depending on the concentration of ascorbic acid, DNA molecules exhibit intrachain and translational Brownian motion with differ- ent conformations. Without ascorbic acid (Fig....

Ngày tải lên: 23/03/2014, 21:20

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XÁC ĐỊNH ACID ASCORBIC, ACID BENZOIC, NATRI BENZOAT, ACID SORBIC VÀ KALI SORBAT TRONG THỰC PHẨM BẰNG PHƯƠNG PHÁP HPLC ĐẦU DÒ UV

XÁC ĐỊNH ACID ASCORBIC, ACID BENZOIC, NATRI BENZOAT, ACID SORBIC VÀ KALI SORBAT TRONG THỰC PHẨM BẰNG PHƯƠNG PHÁP HPLC ĐẦU DÒ UV

... 17020 [10] . v 2.2.6. Xác định Acid ascorbic bằng HPLC 25 2.3. Tổng quan về acid benzoic và muối natri benzoat, acid sorbic và muối kali sorbat 28 2.3.1. Acid benzoic và muối natri benzoat ... acid trong sản xuất đồ hộp có thể giảm được nhiệt thanh trùng. Phối hợp sorbic acid hoặc sorbat với các chất bảo quản khác: Dùng acid sorbic với natri benzoat trong bảo quản nước quả. Dùng acid ... lượng vệ sinh an toàn thực phẩm ngày càng trở nên quan trọng và cấp bách. Acid ascorbic, acid benzoic và natri benzoat, acid sorbic và muối kali sorbat là những chất hóa học được sử dụng phổ biến...

Ngày tải lên: 04/05/2014, 15:47

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báo cáo hóa học:" Anti-angiogenic effect of high doses of ascorbic acid" pptx

báo cáo hóa học:" Anti-angiogenic effect of high doses of ascorbic acid" pptx

... ascorbate (a) and in well treated by 3 mg/ml of ascorbic acid (b). a b Ascorbic acid attenuates tube formation in HUVECs, HUAECs and EPCsFigure 3 Ascorbic acid attenuates tube formation in HUVECs, ... the high concentrations of ascorbic acid on energy metabolism and capillary tube formation. 2. Effects of high dose ascorbic acid on angiogenesis The effect of ascorbic acid on capillary tube formation ... scorbutic levels of ascorbic acid [34]. In this study, no difference in tumor growth was detected between the ascorbic acid depleted tumors and the fully supplemented ascorbic acid mouse group....

Ngày tải lên: 18/06/2014, 15:20

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Khảo sát khả năng khử của các tác nhân khử acid ascorbic và thiếc clorua đối phức giữa photpho và molipdovanadat

Khảo sát khả năng khử của các tác nhân khử acid ascorbic và thiếc clorua đối phức giữa photpho và molipdovanadat

... trắc quang sử dụng acid ascorbic Nguyên tắc: Amoni molybdat và kali antimonyl tartrate phản ứng trong môi trường acid vừa với orthophosphate để hình thành acid heteropoly - acid phosphomolybdic ... (SnCl 2 .2H 2 O) 6 Glycerol (C 3 H 8 O 3 ) 7 Acid nitrit (HNO 3 ) 8 Acid sulfuric (H 2 SO 4 ) 9 Acid clohdric (HCl) 10 Amoni (NH 4 OH) 11 Axit ascorbic (C 6 H 8 O 6 ) Trung Quốc 25g chai 35.000 3.6 ... nhân khử 2.3.1 Khử acid phosphomolybdic bằng acid ascobic 2.3.1.1 Nguyên tắc Phức đa dị phosphomolybdate tạo thành giữa orthophosphate và molybdate có tính oxy hóa yếu sẽ bị acid ascobic khử tạo...

Ngày tải lên: 23/04/2013, 20:28

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Tài liệu Vitamin C (Acid ascorbic) ppt

Tài liệu Vitamin C (Acid ascorbic) ppt

... đường tiêu hoá (giảm dịch vị và độ acid) , tim và nhiều rối loạn trong chuyển hoá đường lipid, protein của cơ thể. + Vai trò sinh hoá học chủ yếu của acid ascorbic là sự tham gia quá trình ... máu, sữa, bắp cải, cà chua, hành, ớt, cam chanh, lá tùng Vitamin C (Acid ascorbic) * Cấu tạo hoá học: + Acid ascothic có tác dụng kích thích hoạt động của enzym aconitase trong ... cảm thụ của tuyến thượng thận đối với adrenocorticotropin. * Nhu cầu và nguồn vitamin C Acid& apos ;ascorbic được tổng hợp ở nhiều loài vi sinh vật, cây cối, động vật. Ngựa, lợn, gia cầm vẫn...

Ngày tải lên: 24/12/2013, 09:16

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Báo cáo khoa học: Optimization of D-amino acid oxidase for low substrate concentrations – towards a cancer enzyme therapy pdf

Báo cáo khoa học: Optimization of D-amino acid oxidase for low substrate concentrations – towards a cancer enzyme therapy pdf

... E-Fl red $P, reduced enzyme–iminoacid complex; m-DAAO, S19G ⁄ S120P ⁄ Q144R ⁄ K321M ⁄ A345V D-amino acid oxidase mutant; ROS, reactive oxygen species; wt-DAAO, wild-type D-amino acid oxidase. FEBS Journal ... oxidative stress for cancer therapy, see [1]. To overcome these limitations, we have proposed the use of d-amino acid oxidase (DAAO) from Rhodotoru- la gracilis (EC 1.4.3.3) for cancer treatment ... for tumour treatment. Br J Cancer 70, 1131– 1135. 10 Yoshikawa T, Kokura S, Tainaka K, Naito Y & Kondo M (1995) A novel cancer therapy based on oxygen radicals. Cancer Res 55, 1617–1620. 11...

Ngày tải lên: 16/03/2014, 02:20

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Báo cáo khoa học: Vitamin D stimulates apoptosis in gastric cancer cells in synergy with trichostatin A ⁄sodium butyrate-induced and 5-aza-2¢-deoxycytidine-induced PTEN upregulation ppt

Báo cáo khoa học: Vitamin D stimulates apoptosis in gastric cancer cells in synergy with trichostatin A ⁄sodium butyrate-induced and 5-aza-2¢-deoxycytidine-induced PTEN upregulation ppt

... Vitamin D stimulates apoptosis in gastric cancer cells in synergy with trichostatin A sodium butyrate-induced and 5-aza-2Â-deoxycytidine-induced PTEN upregulation Lina ... China Introduction Gastric cancer is the fourth commonest malignancy worldwide, especially in East Asian countries such as Japan and China [1]. The 5-year survival rate after diagnosis of gastric cancer is 10–21% ... for gastric cancer, but the rate of recurrence after curative resection is high. Also, resistance to chemotherapeutic agents and toxicity of drugs to normal tissues are the main problems in gastric cancer...

Ngày tải lên: 22/03/2014, 21:20

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Báo cáo hóa học: "A randomized phase II trial of mitoxantrone, estramustine and vinorelbine or bcl-2 modulation with 13-cis retinoic acid, interferon and paclitaxel in patients with metastatic castrate-resistant prostate cancer: ECOG 3899" pot

Báo cáo hóa học: "A randomized phase II trial of mitoxantrone, estramustine and vinorelbine or bcl-2 modulation with 13-cis retinoic acid, interferon and paclitaxel in patients with metastatic castrate-resistant prostate cancer: ECOG 3899" pot

... phase I trial of weekly paclitaxel, 13- cis-retinoic acid, and interferon alpha in patients with prostate cancer and other advanced malignancies. Cancer Chemother Pharmacol 2003, 52:119-124. 8. Bray ... apoptosis in prostate cancer. Mol Cancer Res 2009, 7:1487-1496. 9. Loberg RD, McGregor N, Ying C, Sargent E, Pienta KJ: In vivo evaluation of AT-101 (R-(-)-gossypol acetic acid) in androgen-independent ... receptor tyrosine kinase inhibitor ZD1839 in non-small cell lung cancer and other solid tumors. Clin. Cancer Res., 9: 2040-2048, 2003. Clin Cancer Res 2003, 9:1990-1994. 16. Jaeschke R, Singer J, Guyatt...

Ngày tải lên: 18/06/2014, 16:20

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báo cáo hóa học:" Sodium arsenite and hyperthermia modulate cisplatin-DNA damage responses and enhance platinum accumulation in murine metastatic ovarian cancer xenograft after hyperthermic intraperitoneal chemotherapy (HIPEC)" pptx

báo cáo hóa học:" Sodium arsenite and hyperthermia modulate cisplatin-DNA damage responses and enhance platinum accumulation in murine metastatic ovarian cancer xenograft after hyperthermic intraperitoneal chemotherapy (HIPEC)" pptx

... therapy fail in ovarian cancer? Lancet Oncol 2003, 4:415-422. 52. Engelman JA: Targeting PI3K signalling in cancer: opportunities, challenges and limitations. Nat Rev Cancer 2009, 9:550-562. 53. ... [As 2 O 3 ,Trisenox đ ]or sodium arsenite [NaAsO 2 ]) induces apoptosis in multiple types of cancer cells incl uding cervical, melanoma , gas- tric, colon, pancreatic, lung, prostate and ovarian cancer cell ... in ovarian cancer [35]. In the current study, cisplatin induced XPA (Figure 4B, panel c) that was suppressed by Figure 5 Immunocytochemical determination of p53, XPA and MSH2 expression in ovarian cancer...

Ngày tải lên: 20/06/2014, 07:20

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