titration of potassium permanganate with oxalic acid

Ngày tải lên: 07/07/2014, 00:20

... amino acids ⁄ 237 amino acids 15 amino acids ⁄ 14 amino acids 25 kDa ⁄ 4.07 PaTry2 GU338028 870 798 nucleotides 58 nucleotides AATAAA ⁄ 10 nucleotides 266 amino acids ⁄ 237 amino acids 15 amino acids ... carboxylate of this Asp217 (194, chymotrypsin numbering) is involved in the formation of a salt bridge with the N-terminal Ile of the mature enzyme for completing the formation of Fig. 2. Distribution of ... com- parative modelling. The aim of the present work was to study the diversity of trypsins in the digestive gland of P. argus, with focus on: (a) the position of lobster trypsins within the brachyurins...

Ngày tải lên: 23/03/2014, 03:20

... [21]. Hydrolysis of i-carrageenan was extended to 3 h. Small- scale (10 mg) hydrolysis of j-carrageenan was also carried out with various organic acids, including TFA, oxalic acid, maleic acid, phthalic acid, ... fumaric acid, citric acid, formic acid, succinic acid, and acetic acid, at 60 °C for 1.5 h. Reductive hydrolysis of j-carrageenan and agarose was carried out on a large scale with addition of 0.2 ... mechanism of acid hydrolysis of the 3,6-anGal-containing galactans. Results and Discussion Identification of a complete series of odd-numbered oligosaccharides resulting from mild acid hydrolysis of...

Ngày tải lên: 23/03/2014, 04:21

... 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 HylP2 trimer at each one of the ... 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. ... atoms of ascorbic acid, whereas GluB167 O e2 interacts with ascorbic acid via O2H. This site is specific for the binding because of the unique positions of LysC179 and GluB167 and the scope of conformational...

Ngày tải lên: 23/03/2014, 04:21

... labeled use of Hyaluronic Acid (HA) Orthovisc đ for treatment of pain due to OA of the knee involves a series of 2 ml (30 mg of HA: 15 mg/ml) injec- tions weekly in the clinic over a span of three ... scores after 24 weeks with a single delivery of 6 ml/90 mg of Orthovisc đ at the time of the arthro- scopic debridement with over 79% of our patients having an improvement of greater than 40%. ... cause of disability in adults over the age 45 years [1-3]. OA of the knee is extremely com- mon, with some studies showing that OA of the knee occurs in at least 30% of people after the age of 50...

Ngày tải lên: 20/06/2014, 01:20

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 05/07/2014, 20:21

Ngày tải lên: 07/08/2014, 17:22

Ngày tải lên: 10/08/2014, 09:22

Ngày tải lên: 10/08/2014, 23:20

Ngày tải lên: 12/08/2014, 04:21

Ngày tải lên: 12/08/2014, 22:22

Ngày tải lên: 13/08/2014, 01:20

... activation and the increase of fluorescence in- tensity inside of the nuclei of DU145 cells. Figure 2 visualizes the degree of the DNA damage in nuclei as a result of DNA strand breaks caused ... (red – of the fusion protein KRED-Lamin B1 and green – derived from dNTP functionalized with ATTO 633) are hardly detectable inside of the nuclei transfected with pKillerRed-Lamin B1 without ... a crucial component of the chromosomal chromatin. In the cells the histone H2A-KRED fusion protein becomes part of the nu- cleosomes with a very tight distance to DNA. With these experiments...

Ngày tải lên: 25/10/2012, 11:15

... compliance with the guide for the care and use of laboratory animals from the Ministry of Science and Technology of the People’s Republic of China. Instruments HIFU ablation was performed with ... treatment of prostate hypertrophy. In 1956, HIFU was first introduced to the treatment of human solid car- cinomas [4]. The treatment of hepatocellular carci- n o m a ( H C C ) with HIFU was ... (for treatment of tumors of the liver, kidney, breast, uterus, pancreas and bone) or in the rectum (for treatment of the pros- tate), and are designed to enable rapid heating of a target tissue...

Ngày tải lên: 25/10/2012, 11:18

... resolution of the OAF, optimal management of complications, including patient discomfort, and good regeneration of soft tissues. Clinical significance: The principal advantage of the use of autologous ... reconstruction of soft tissues and to assure the preservation of the bone graft from epithelial connection. Conclusions: This surgical procedure showed a good stability of the bone grafts, with a complete ... elevation of the sinus membrane without disruption impossible 2 . Clinical Significance The principal advantage of the technique de- scribed here is the use of autologous bone graft with an...

Ngày tải lên: 25/10/2012, 11:48

... phenol-chloroform DNA extraction pro- tocol. TaqMan PCR analysis revealed that human serum of patients with acute coronary syndrome may contain genetic markers of C. pneumoniae with bacterial ... bodies of C. pneumoniae with typical electron microscopic structure can be isolated from the serum samples of the patients with acute coronary syn- drome. Furthermore, using combination of bacterio- logical ... relevant levels of IgG for C. pneumoniae were found in 34.2% of the patients with ACS, whereas IgA positive were seen just in 19.7% of the ACS patients. Simultaneous detection of increased...

Ngày tải lên: 26/10/2012, 08:57

... principal mechanism of action of all NSAIDs is the inhibition of the biosynthesis of prostaglandins by blocking the activity (selectively and/or non-selectively) of two isoforms of cyclooxygenase ... and COX-2) [6-8]. With the exception of aspirin, NSAIDs inhibit synthesis of prostaglandins (mediators of inflammation) via competition with arachidonic acid for the two isoforms. Generally, ... Preparation of CD Solutions An aqueous solution of each CD was prepared by dissolving accurately weighed CDs (180 mg of β-CD and 300 mg of HP-β-CD) in 10 ml of distilled water with the aid of a...

Ngày tải lên: 26/10/2012, 08:57

... 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 ngm 2 phõn t...

Ngày tải lên: 10/04/2013, 21:05