redox titration with oxalic acid

Ngày tải lên: 07/07/2014, 00:20

... 2.7: Hiệu quả kích kháng của oxalic acid lên tỉ lệ diện tích vết bệnh trên lá (%) ở các thời điểm 40, 50 và 60 NSKS 42 Hình 2.8: Hiệu quả kích kháng của oxalic acid lên tỉ lệ bệnh thối cổ bông ... 2.13: Hiệu quả kích kháng của oxalic acid lên tỉ lệ diện tích vết bệnh trên lá (%) ở các thời điểm 40, 50 và 60 NSKS 50 Hình 2.14: Hiệu quả kích kháng của oxalic acid lên tỉ lệ bệnh thối cổ bông ... 2001) và mô học (Huỳnh Minh Châu và ctv,2001). 6. Đặc tính oxalic acid và tác động của nó đối với cây trồng Tên hóa học: OXALIC ACID Công thửc hóa học: Thường tồn tại ở dạng ngậm 2 phân...

Ngày tải lên: 10/04/2013, 21:05

... amino acids 15 amino acids ⁄ 14 amino acids 25 kDa ⁄ 4.07 PaTry1b GU338027 873 798 nucleotides 61 nucleotides AATAAA ⁄ 13 nucleotides 266 amino acids ⁄ 237 amino acids 15 amino acids ⁄ 14 amino acids ... amino acids ⁄ 237 amino acids 15 amino acids ⁄ 14 amino acids 25 kDa ⁄ 4.1 PaTry3 GU338029 874 798 nucleotides 61 nucleotides AATAAA ⁄ 13 nucleotides 266 amino acids ⁄ 237 amino acids 15 amino acids ... amino acids ⁄ 14 amino acids 25 kDa ⁄ 4.1 PaTry4 GU338030 875 802 nucleotides 57 nucleotides ATTAAA ⁄ 13 nucleotides 278 amino acids ⁄ 249 amino acids 15 amino acids ⁄ 14 amino acids 27 kDa ⁄ 4.6 New...

Ngày tải lên: 23/03/2014, 03:20

... concave surfaces (Fig. 4). At site 1, ascorbic acid is involved in the interactions primarily with GluB167 and LysC179 (Table 2). GluB167 O e2 interacts with ascorbic acid O2H with a hydrogen bond at a distance ... has a stable conformation with a num- ber of interactions within the loop, as well as with other parts of the protein. It is important to note that Ser129 interacts with Tyr149, thus making it ... the interactions with ascor- bic acid, as well as with lactose, indicating its suitabil- ity for a catalytic role. Its positioning together with Gln261 and Arg277 with respect to the lactose mole- cule...

Ngày tải lên: 23/03/2014, 04:21

... activation with standard deviations among triplicate samples Figure 2 Rotavirus NSP1 inhibits RIG-I mediated IFN-β promoter activation. 293FT cells were transfected with pGL3-IFN-β-Luc along with ... transfecting 293FT cells with an IFN-β luciferase reporter plasmid along with the OSU NSP1 or SA11 NSP1∆IRF3BD construct. After transfection, cells were stimulated with Sendai virus and were ... down regulation. To address these possibilities, 293FT cells were co-transfected with OSU NSP1 or SA11 NSP1 along with RIG-I. Lysates were prepared at 48 h post transfection and were analyzed...

Ngày tải lên: 18/06/2014, 18:20

... only in patients with short duration of symptoms, medial sided knee pain with localized tenderness, preservation of the joint space on radiograph, and mechanical symptoms. Patients with mechanical ... of synnovial fluid, hyaluronic acid and two subcomponents of hyaluronic acid. Arthritis Rheum 1988, 31:63-71. 30. Zhou PH, Liu SQ, Peng H: The effect of hyluronic acid on IL- 1beta-induced chondrocyte ... greater than 35, history of ster- oid injection to the effected knee within the past three months, history of hyaluronic acid injection within the past year, or moderate/greater symptomatic contra-lateral knee...

Ngày tải lên: 20/06/2014, 01:20

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 10/08/2014, 09:22

Ngày tải lên: 12/08/2014, 03:21

Ngày tải lên: 12/08/2014, 04:21

Ngày tải lên: 12/08/2014, 15:21

Ngày tải lên: 12/08/2014, 19:22

Ngày tải lên: 12/08/2014, 22:22

Ngày tải lên: 13/08/2014, 20:21

... diameter. Interaction of gymnemic acid with cyclodextrins Y. Izutani et al. 6158 FEBS Journal 272 (2005) 6154–6160 ª 2005 FEBS Interaction of gymnemic acid with cyclodextrins analyzed by isothermal titration calorimetry, ... correlate with the binding affinity between GA and the receptor. The thermodynamic parameters obtained are in the range of those of other interactions with c-CD [15]. The interaction of GA with c-CD ... degassed before the titrations, using the equipment provided with the instrument. GA or CD solution (2.2 mm) was titrated into CD or GA solution (0.1 mm) using a 250-lL syringe. Each titration consisted of...

Ngày tải lên: 16/03/2014, 14:20

... adaptation to an acidic environment, suggest that its function could be that of sequestering specific fatty acids or amides from the environ- ment, either to supply the bacterium with the fatty acids necessary ... bottom. Discussion Fatty acid amides are bioactive lipids and appear to serve a variety of functions within and outside the central nervous system in higher animals [21,22]. Erucic acid, the fatty acid precursor ... polypeptide chain with residues in contact with the ligand (see Table 3) are shown. (B) Scheme of erucamide with the labeling system used in the text. Table 3. Residues in contact with erucamide...

Ngày tải lên: 16/02/2014, 14:20

... potentially relevant fatty acids on plasmin. The three most abundant fatty acids in the structure of platelet membranes are arachi- donic acid, stearic acid and oleic acid, representing 22.0, 19.5 ... amido- lytic assay was performed with plasmin pre-incubated with stearate and reaction products. If the pre-incuba- tion was carried out with lysine, e-aminocaproic acid or fibrinogen degradation ... kringle 5 is sufficient for their action. This finding is in agreement with an earlier report that oleic acid binds to kringle 5 with an affinity that is an order of magnitude higher than found for...

Ngày tải lên: 18/02/2014, 17:20

... The possible selectivity of drugs has been proven with adenosine analogues which kill bloodstream- form T. brucei amastigotes within a few minutes without affecting the growth of fibroblasts [10,11]. GAPDH ... SML-Aminco French pressure cell at 5516 kPa. Nucleic acids were removed first by incubation with 100 U Benzonase (Merck) for 30 min at 37 °C, and then with 5 mg protamine sulfate for 15 min at room ... charged resin was first washed with lysis buffer plus 5 m M imidazole, then with lysis buffer plus 10 m M imidazole. The enzyme was subsequently eluted (1-mL fractions) with 100 m M imidazole in lysis...

Ngày tải lên: 20/02/2014, 02:21

... 0.1% aqueous formic acid as solvent A and acetonitrile with 0.1% formic acid as sol- vent B. A linear gradient from 1 to 60% B was run for 60 min and back to 1% B for 10 min with the flow rate maintained ... to that of Orlistat with their amino acid side chains also extending into the interface cavity and short chain pocket. The poten- tial interaction modes of these peptides with the TE domain suggest ... Oil Red O assay Adipocytes were washed twice with cold Dulbecco’s phos- phate buffer saline and fixed with 10% formaldehyde for 1 h. Then, cells were washed with 60% isopropanol and air dried. Oil...

Ngày tải lên: 06/03/2014, 09:22