(1) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
(2) In addition, DDT blocked succinate dehydrogenase and the cytochrome b-c span of the electron transport chain, which also secondarily reduced ATP synthesis.
(3) The high transition enthalpy for kerasin is ascribed to a lesser accommodation of gauche conformers in the hydrocarbon chains just below the transition temperature.
(4) Mannose receptor mediated uptake by the reticuloendothelial system has been suggested as an explanation for the rapid removal of ricin A chain antibody conjugates from the circulation after their administration.
(5) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
(6) The Tyr side chain had two conformations of comparable energy, one over the ring between the Gln and Asn side chains, and the other with the Tyr side chain away from the ring.
(7) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
(8) Only those derivatives with a free amino group and net positive charge in the side chain were effective.
(9) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
(10) The reducing equivalents could be donated by formate or NADH through some segment of the membrane respiratory chain.
(11) Thus there may be four types of LPS in PACI: one contains unsubstituted core polysaccharide and yields L2 on acid hydrolysis, another has short antigenic side-chains of the SR type and yields the LI fraction, while the two high molecular weight fractions are derived from core polysaccharides with different side-chains.
(12) The seve polypeptide chains investigated had generalyy similar properties; all contained two residues per molecule of tryptophan and N-acetylserine was the common N-terminal amino acid residue.
(13) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
(14) Peptide:N-glycosidase F removed both the asparagine-linked oligosaccharide chains of ricin B-chain in the absence of lactose.
(15) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
(16) In general, optimal DAGAT activity in vitro was observed when long-chain unsaturated acyl-CoAs and diacylglycerols (DAGs) containing long acyl chains were used as substrates for in vitro TAG synthesis (although 1,2-didecanoin was also very effective).
(17) The canine system allows quantitative separation of native heme containing alpha and beta chains which recombine to for tetrameric hemoglobin with normal functional properties (n = 2.17).
(18) The product of this enzymatic hydrolysis was F420 with one less glutamic acid in the side chain.
(19) The present study deals with 832 ossicular chain reconstruction procedures performed in 655 patients from January 1975 to December 1985.
(20) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.
Hampered
Definition:
(imp. & p. p.) of Hamper
Example Sentences:
(1) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
(2) "Such attacks will not hamper Afghanistan's relations with other nations."
(3) Testing of potential therapies for spinal cord injury has been significantly hampered by the unavailability of a standardized, reproducible animal model with predictable outcome at a given force of injury (dose-response).
(4) The isolation of plant enzymes is frequently hampered by the presence of phenolic compounds, pigments and mucilages.
(5) The therapeutic potential of interferon gamma (IFN gamma) in a number of disease states is still being explored, but progress is hampered by the lack of a suitable measure of in vivo biological activity.
(6) Primary care services had been hampered in controlling yaws by difficulties with transport, isolation, community resistance and the lack of skilled personel to diagnose yaws and arrange prophylactic treatment.
(7) However, sections of the Act may hamper doctors in the performance of their duties.
(8) The search for the Na-K-ATPase inhibitor has been hampered by the lack of specificity of most assays which demonstrate the presence of many irrelevant Na-K-ATPase inhibitors.
(9) Amor Almagro, spokesperson for the World Food Programme (WFP) in Sudan, said: "There have been several meetings between the government of Sudan and the Tripartite on the implementation of the MoU, but so far access has not been granted for us to carry out an assessment and deliver much needed food assistance in areas held by the SPLM-N. "We remain concerned about the ongoing conflict and insecurity, which has hampered our ability to reach all those in need of food assistance."
(10) His lawyers argued their ability to organise witnesses on Terry's behalf was seriously hampered by Chelsea's demanding season.
(11) Our knowledge of the functional activity of the epidermal Langerhans cell has been severely hampered by the lack of an easy method of purification of these cells that is both efficient and reproducible.
(12) Austin's solicitors, Christian Khan, say their client's case was hampered by highly prejudicial findings by the judge in that case, Mr Justice Tugendhat.
(13) Large scale clinical applicability of this approach has been hampered, so far, by technical problems such as separation of massive islet concentrations and immune rejection.
(14) A large body of research implicates Bacteroides gingivalis in the etiology of adult periodontitis, however, the application of this information to clinical diagnosis and treatment has been hampered by the need for a simple, rapid, and reliable means of detecting this microorganism.
(15) Interpretation is hampered by the short observation period, small number of deaths from certain causes, and poor exposure definition.
(16) Characterization of their role in health and disease has been hampered by inadequate methods to separate interstitial from residual alveolar macrophages (AMs) in preparations of individual mononuclear cells from lung tissue.
(17) Many address deep-rooted social issues, but they are hampered by short-term political horizons and funding arrangements.
(18) The source said Nigeria's intelligence agencies are willing to act to take down the Boko Haram base, but their efforts have been hampered by the government.
(19) A decade ago, she was hampered by post-natal depression after six weeks' maternity leave from RBS.
(20) Understanding the mechanisms by which these oncogenes affect various cell types has been hampered by a paucity of experimental systems that reproduce the range of biological effects associated with them.