titration of permanganate with oxalic acid
Tài liệu Báo cáo khoa học: Suppressed catalytic efficiency of plasmin in the presence of long-chain fatty acids Identification of kinetic parameters from continuous enzymatic assay with Monte Carlo simulation ppt
Ngày tải lên :
18/02/2014, 17:20
... attenuation of oleic acid micelles in the presence of synthetic plasmin substrate. (A) Twenty microlitres of 1 mM Spectrozyme-PL
was added to 180 lL of various concentrations of oleic acid (the ... water-soluble sodium salts
of the fatty acids, the turbidity effects of which are
smaller compared with the free acid and are not influ-
enced by the plasmin substrate.
Analytical models of plasmin inhibition
Because, ... [11].
Amidolytic assay of plasmin activity
Plasmin (20 nm) was incubated with the sodium salts of
fatty acids for 15 min at 37 °C. Then, 180 lL of this mix-
ture was added to 20 lL of Spectrozyme-PL...
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Báo cáo khoa học: New members of the brachyurins family in lobster include a trypsin-like enzyme with amino acid substitutions in the substrate-binding pocket potx
Ngày tải lên :
23/03/2014, 03:20
... 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...
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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
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...
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Báo cáo khoa học: Charging of tRNA with non-natural amino acids at high pressure potx
Ngày tải lên :
30/03/2014, 10:20
... for
aminoacylation with natural amino acids (Table 1).
Analysis of tRNA
Phe
and tRNA
Val
charging with a
series of natural amino acids showed that the best
yields were obtained for aromatic amino acids, ... attack
activates the carbon of the amino acid. Releasing of the high
pressure causes dehydration of the intermediate product and
aa-tRNA formation.
Charging of tRNA with non-natural amino acids M. Giel-Pietraszuk ... aminoacylation of tRNA
with tryptophan showed that the best result, 96 pmol
of Tyr per 1600 pmol of tRNA
Phe
, was obtained after
30 min of pressure at 6 kbar (Fig. 2). The yield of
charging of crude...
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Báo cáo y học: "Special considerations in the treatment of patients with bipolar disorder and medical co-morbidities"
Ngày tải lên :
25/10/2012, 10:51
... veterans received to that of all veterans.
Among all veterans with diabetes and hypertension, those
with a comorbid diagnosis of bipolar disorder (as well as
those with diagnoses of anxiety disorder, ... lamotrigine. The triad of hypersensi-
tivity includes fever, rash and internal organ involvement
with onset of symptoms within 1 to 8 weeks of exposure.
The frequency of the syndrome is estimated ... of these medications is not without risk, particularly
when a patient with bipolar disorder also has comorbid medical illness. As the physician who likely
has the most contact with patients with...
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Báo cáo y học: "Replacement of cisplatin with nedaplatin in a definitive 5-fluorouracil/ cisplatin-based chemoradiotherapy in Japanese patients with esophageal squamous cell carcinoma"
Ngày tải lên :
26/10/2012, 09:53
... association of disease stage with the
rates of CR and severe acute toxicities were analyzed
with Fisher’s exact test. Circadian variations of
plasma concentrations of 5-FU were analyzed with
the ... plasma concentrations of 5-FU be-
tween the patients with and without severe acute
leucopenia, in either groups. Similarly, the plasma
concentrations of 5-FU in the patients with severe
acute ... when all of the following criteria were
satisfied on observation of the entire esophagus: 1)
disappearance of the tumor lesion; 2) disappearance
of ulceration (slough); and 3) absence of cancer...
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The 11th form non-english majors’ level of satisfaction with their reading comprehension lessons at phan boi chau specialized upper secondary school, nghe an
Ngày tải lên :
07/11/2012, 14:54
... profound effect on the strategies
learners choose, with negative attitudes and beliefs often causing poor strategy use or lack of
orchestration of strategies.
Type of task: The nature of ... distributed, this narrow range of students
prevent us, to some extent, from getting a full idea of the effect of CS in learning vocabulary
at varying levels of proficiency. Therefore, we do not ... language ability from new beginners to those with the highest levels of
proficiency. Such a study would help us to get a full idea of the impact of CS in learning
vocabulary.
- 42 -
CHAPTER...
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INVESTIGATING HOW GENERAL EDUCATION MIDDLE SCHOOL TEACHERS SUPPORT THE SOCIAL INCLUSION OF STUDENTS WITH SPECIAL NEEDS
Ngày tải lên :
06/04/2013, 11:26
... acceptance of students with special needs. Since one of the principal goals of
inclusion for children with special needs is to develop social acceptance and increase
positive social interactions with ... of students with
special needs is to ensure that the classroom possesses essential elements of an effective
inclusive program with a culture of acceptance. Educators have agreed that some of ... students with special needs.
3
(A)).As a result of legal mandates to protect the rights of individuals with special needs,
the move toward full-inclusion and educating students with special...
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ứng dụng chất kích kháng CuCl2 và Oxalic Acid
Ngày tải lên :
10/04/2013, 21:05
... 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...
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