We formulated a method to synthesize 1 kbp DNA fragments using 'oligomer unidirectional joining method' via asymmetric extension supported by a simulator for oligonucleotide extension (AESOE). In this study, trials were conducted on 41 sets of different genomic pieces of ten flaviviral genomes, and 31 bacterial 16s rRNA fragments with sizes ranging from 500 bases to 1.0 kbp. Synthetic gene production was found to be successful in all those sets. The synthesis method has three steps: the first step is a seven-linked AESOE, the second step is the linking of the 400-base fragments from the first step, and the third step is the final amplification. Our present approach is highly reproducible and may no longer require optimization of oligomer design.
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http://dx.doi.org/10.2144/btn-2022-0127 | DOI Listing |
Cureus
December 2024
Radiology, Midland Metropolitan University Hospital, Birmingham, GBR.
Tuberculosis is a disease caused by (TB), demonstrating a vast clinical spectrum that can potentially involve all systems of the body. We present the case of a female in her late 20s, with an employment background in healthcare. She recently moved to the UK from India.
View Article and Find Full Text PDFJ Am Chem Soc
January 2025
Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.
Graft-through ring-opening metathesis polymerization (ROMP) of norbornene-terminated macromonomers (MMs) prepared using various polymerization methods has been extensively used for the synthesis of bottlebrush (co)polymers, yet the potential of ROMP for the synthesis of MMs that can subsequently be polymerized by graft-through ROMP to produce new bottlebrush compositions remains untapped. Here, we report an efficient "ROMP-of-ROMP" method that involves the synthesis of norbornene-terminated poly(norbornene imide) (PNI)-based MMs that, following ROMP, provide new families of bottlebrush (co)polymers and "brush-on-brush" hierarchical architectures. In the bulk state, the organization of the PNI pendants drives bottlebrush backbone extension to enable rapid assembly of asymmetric lamellar morphologies with large asymmetry factors.
View Article and Find Full Text PDFCureus
December 2024
Department of Rehabilitation, Musashigaoka Hospital, Kumamoto, JPN.
Gait asymmetry in post-stroke patients is an important gait characteristic that is associated with their balance control, inefficiency, and risks of musculoskeletal injury to the non-paretic lower limb and falling. Unfortunately, most stroke patients retain an asymmetrical gait pattern, even though their gait independence and gait speed improve. We describe the clinical course of a subacute stroke patient who achieved a symmetrical gait at discharge after undergoing both gait training with orthoses and robot-assisted gait training from the early intervention phase.
View Article and Find Full Text PDFRep U S
October 2024
Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD, USA.
In diagnosing and treating prostate cancer the flexible bevel tip needle insertion surgical technique is commonly used. Bevel tip needles experience asymmetric loading on the needle's tip, inducing natural bending of the needle and enabling control mechanisms for precise placement of the needle during surgery. Several methods leverage the needles natural bending to provide autonomous control of needle insertion for accurate needle placement in an effort to reduce excess tissue damage and improve patient outcomes from needle insertion intraventions.
View Article and Find Full Text PDFClin Orthop Relat Res
December 2024
Department of Orthopedics, University of Colorado School of Medicine, Aurora, CO, USA.
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