Terrence N Wong

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We report on the unexpected structural changes caused by substitution of acidic amino acids in the Q(B) binding pocket of the bacterial photosynthetic reaction center by alanines. The mutations targeted key residues L212Glu and L213Asp of this transmembrane protein-cofactor complex. The amino acid substitutions in the L212Ala-L213Ala mutant reaction center(More)
Therapy-related acute myeloid leukaemia (t-AML) and therapy-related myelodysplastic syndrome (t-MDS) are well-recognized complications of cytotoxic chemotherapy and/or radiotherapy. There are several features that distinguish t-AML from de novo AML, including a higher incidence of TP53 mutations, abnormalities of chromosomes 5 or 7, complex cytogenetics and(More)
RNA folding in the cell occurs during transcription. Expedient RNA folding must avoid the formation of undesirable structures as the nascent RNA emerges from the RNA polymerase. We show that efficient folding during transcription of three conserved noncoding RNAs from Escherichia coli, RNase P RNA, signal-recognition particle RNA, and tmRNA is facilitated(More)
Traditional process planning systems are usually established in a deterministic framework that can only deal with precise information. However, in a practical manufacturing environment, decision making frequently involves uncertain and imprecise information. This paper describes a fuzzy approach for solving the process selection and sequencing problem under(More)
There is interest in using leukemia-gene panels and next-generation sequencing to assess acute myelogenous leukemia (AML) response to induction chemotherapy. Studies have shown that patients with AML in morphologic remission may continue to have clonal hematopoiesis with populations closely related to the founding AML clone and that this confers an(More)
This paper presents a new method for modeling cloth deformation. The proposed approach is a constrained finite element method. We successfully introduce a geometric constraint into the geometrical, nonlinear, finite element equations. The assumed constraint is that lengths of all threads in a cloth object remain unchanged after deformation. Using the(More)