21 high pressure processing

... A and B are essential for catalysis [23] Among them, adenine 38 has been identified as a key residue [2 4–2 8] Structural and mechanistic studies have shown that divalent cations stabilize the hairpin ... was designed to identify inactive hairpin ribozymes whose catalytic activity could be rescued by free exogenous adenine Its entire sequence is 5¢-CCTCCGAAACAGGACTGTCAGGGGG TAC...

Ngày tải lên: 07/03/2014, 00:20

... incoherent scattering from the hydrogen atoms Bistris was chosen because its ionization constant should not be altered by pressure [35] Sodium azide (NaN3) was added to the aquometmyoglobin solution one ... Polymers and Neutron Scattering, pp 195203 Clarendon Press, Oxford, UK Pin, S., Royer, C.A., Gratton, E., Alpert, B & Weber, G (1990) Subunit interactions in hemoglobin probed by...

Ngày tải lên: 08/03/2014, 10:20

... heme for CO- iron bond formation appears to be ratelimiting In contrast, the CO entry into the protein and the CO migration through the protein to the heme iron favours statistically CO binding for ... that the entry of CO into the protein is the rate-limiting step of CO binding In contrast, a negative activation volume points to the Fe -CO bond f...

Ngày tải lên: 08/03/2014, 23:20

... Pressure-induced denaturation of actin (Eur J Biochem 269) 365 The aim of the present study was to complete a study of F ® G transition and denaturation of actin under pressure Use of a ... that the decrease in the intensity of ¯uorescence in the presence of ATP was not attributable to the denaturation of G -actin Rather these data would represent...

Ngày tải lên: 24/03/2014, 00:21

... mM NADH, lgámL)1 of pyruvate kinase, and 2.5 lgámL)1 LDH in a total volume of mL The reaction was initiated by an addition of 50 ng of Na+/K+-ATPase Na+-dependent ATPase activity was also measured ... be con®rmed that the Na+/K+-ATPase activity, as determined by the coupled assay system, increased linearly with an increase in the incubation time and enzyme concentrati...

Ngày tải lên: 24/03/2014, 00:21

... Aminoacylation of crude tRNA with Lys at high pressure was approximately 2.5 times higher Charging of tRNA with non-natural amino acids compared with the enzymatic reaction, which was due to misacylation ... [14C-aa]tRNAVal, were similar The yield of tRNA charging at high pressure with non-natural amino acids was between 2.5 and 9%, similar to d...

Ngày tải lên: 30/03/2014, 10:20

... generates a longer lasting high pressure during cement pressurisation Journal of Orthopaedic Surgery and Research 2011 6:54 Submit your next manuscript to BioMed Central and take full advantage ... to achieve a more controlled and longer lasting high cementation pressure in femur with a pressuriser that better seals the femoral opening This design modification...

Ngày tải lên: 20/06/2014, 07:20

... signal s(t) are not fixed and may vary due to factors such as change in waterjet pressure and variation in the standoff distance from the Landmine Detection and Discrimination Using Waterjets 1977 ... improve and train our algorithms Data was next taken in blind test lanes, where only the approximate position of buried Landmine Detection and Discrimination Using Waterj...

Ngày tải lên: 23/06/2014, 01:20

... hydraulic conductance of the shoots measured with the transient mode of the HPFM was very close to that measured with the dynamic mode Since shoots were not pressurised before measurement, the good ... conducted with the transient mode until plots were superposed (usually replicates were sufficient) Then the hydraulic conductance of the shoot was m...

Ngày tải lên: 08/08/2014, 14:21

... species within the above range The resistances measured in this paper are probably about the same as or less than the resistance encountered by water during normal transpiration The resistance to water ... and Alexander, unpublished data) The leaf-blade resistance includes vascular and nonvascular pathways from the base of the leaves to mesophyll airspaces, but we are of the opini...

Ngày tải lên: 08/08/2014, 23:22

Ngày tải lên: 20/10/2014, 17:16

... solidification and optimize aluminum alloy casting process parameters in the condition of production foundry factory Little was published die design in die- casting, gating and die casting parameters ... 90% of defects in die casting components are due to die design errors (F Shehata [10]) Die design is a very difficult work and the company often does not publish b...

Ngày tải lên: 08/06/2016, 07:12

... and antihypertensive medication are highly correlated A detailed analysis of antihypertensive medication indicates that BBL medication and not any other antihypertensive medication is associated ... analysis indicates that BBL medication and not any other antihypertensive treatment is associated with reduced lung function in a general adult population Thu...

Ngày tải lên: 25/10/2012, 10:45

... with a hematocrit >55% Discussion Stable hypercapnic COPD- patients analysed in the present study performed high-intensity NPPV over several years and thereby demonstrated an improvement in blood ... low IPAP levels, typically ranging between 12 and 16 cmH2O, and the lowest expiratory positive airway pressures (EPAP) levels Subsequently, IPAP is carefully increased, step by step, pri...

Ngày tải lên: 03/11/2012, 11:30

... Cao huyết áp (Tăng huyết áp) High Blood Pressure Cách điều trị cao huyết áp? Có số loại thuốc mà người bệnh dùng hàng ngày để kiểm soát tình trạng cao huyết áp Chỉ bác sĩ cho ... không Cao huyết áp ảnh hưởng đến thai phụ? Một vài phụ nữ bị cao huyết áp mang thai Khi thai phụ bị cao huyết áp, tình trạng gọi tiền sản giật nhiễm độc huyết Làm để kiểm...

Ngày tải lên: 18/03/2013, 09:45