Residue elimination

Following their metabolic transformation, sulfonamides are eliminated in urine, feces, bile, and milk. However, the kidney is the organ primarily involved in the excretion of these drugs. Sulfonamide residues deplete from body tissues and fluids with widely variable velocity that depends on many factors including the nature of the compound, its formulation and the route of administration, and the animal species. Nevertheless, sulfonamide residues eliminate much earlier from liver, kidney, and milk than from muscle and fat. Withdrawal periods in meat and milk differ, therefore, for each sulfonamide. 

Despite the high lysine and arginine content of most antimicrobial peptides, tryptic digests typically yield medium-sized peptides, as often a proline residue follows these basic residues eliminating the cleavage site. 

Dimethyl-L-arabinose (XXXIX) has been synthesized as follows.48 Methyl 3,4-isopropylidene-/3-L-arabopyranoside (XXXVII) was converted into the 2-benzoate and the isopropylidene residue eliminated from the product with methanolic hydrogen chloride to give methyl 2-benzoyl-/J-L-arabopyranoside (XXXVIII) from which on methylation, removal of the benzoyl residue by alkaline hydrolysis and of the glycosidic residue by acid hydrolysis, 3,4-dimethyl-L-arabinose was obtained. 

PTH is a polypeptide of 84 amino acids (M.W. 9,500). Full hormonal activity is present in the N-terminal 34-residue peptide [PTH(l-34)]. Removal of the first two residues eliminates biological activity, even though PTH(3-34) binds well to PTH receptors. 

The protein machinery that stabilises the charge on the Cl carboxylate appears very different from that in sialidases - there is not the trio of arginines to balance the Cl carboxylate negative charge, rather it is opposite the positive end of the dipole from a stretch of a helix which is directed towards this carboxylate. The only likely candidate for general base in the attack of acceptor is His 188 and mutation of this residue eliminated transferase activity. 

The power of active oxides Powers away unseen food residue Eliminates stains, odors, and bacteria... 

Butene minor MS/FTIR catalyst residue elimination... 

The determining of sorting limits of steel parts after thermal processing in order to eliminate these, which indicate exceeded allowed content of residual austenite, requires elements of identical shape and dimensions, as the studied parts, and with known content of residual austenite. Such elements serve to define the sorting thresold, during manual control as well as automatic... 

Signals from geometry, residual magnetism or slow permeability changes are reduced or eliminated. 

The residual, Rq, is a function of position in Q. The weighted residual method is based on the elimination of this residual, in some overall manner, over the entire domain. To achieve this the residual is weighted by an appropriate number of position dependent functions and a summation is carried out. This is written as... 

In steady-state problems 6/S.l = 1 and the time-dependent term in the residual is eliminated. The steady-state scheme will hence be equivalent to the combination of Galerkin and least-squares methods. 

The need to meet environmental regulations can affect processing costs. Undesirable air emissions may have to be eliminated and Hquid effluents and soHd residues treated and disposed of by incineration or/and landfilling. It is possible for biomass conversion processes that utilize waste feedstocks to combine waste disposal and treatment with energy and/or biofuel production so that credits can be taken for negative feedstock costs and tipping or receiving fees. 

To minimize the effects of this difficulty, an initiator is frequentiy employed. Among the numerous suggestions in the Hterature, the most satisfactory industrial procedure is to retain a portion of the Grignard from the preceding batch and to add this portion to the initial ether charge. The purpose of this procedure is to eliminate residual water and to clean the magnesium surface. Once this initiator has been added, the hahde is added at a rate deterrnined by the temperature and the pressure in the reaction vessel. 

Formation and Elimination of Multiple Bond Functionalities. Reactions that involve the formation and elimination of multiple bond functional groups may significantly effect the color of residual lignin in bleached and unbleached pulps. The ethylenic and carbonyl groups conjugated with phenoHc or quinoid stmctures are possible components of chromophore or leucochromophore systems that contribute to the color of lignin. 

---