Abstract We assess the crucial role of tetrapyrrole flexibility in CO ligation to distinct Ru‐porphyrins supported on an atomistically well‐defined Ag(111) substrate. Our systematic real‐space visualisation and manipulation experiments with scanning tunnelling microscopy directly probe ligation, while bond‐resolving atomic force X‐ray standing‐wave measurements characterise geometry, ultraviole...

2-Cyanobenzothiazoles (CBTs) are useful building blocks for: 1) luciferin derivatives for bioluminescent imaging; and 2) handles for bioorthogonal ligations. A particularly versatile CBT is 6-amino-2-cyanobenzothiazole (ACBT), which has an amine handle for straight-forward derivatisation. Here we present an economical and scalable synthesis of ACBT based on a cyanation catalysed by 1,4-diazabic...

BACKGROUND In the present study, we show the correlation of quantum chemical structural descriptors with the activation barriers of the Diels-Alder ligations. A set of 72 non-catalysed Diels-Alder reactions were subjected to quantitative structure-activation barrier relationship (QSABR) under the framework of theoretical quantum chemical descriptors calculated solely from the structures of dien...

In this work, we propose a 3D space handwriting recognition system by combining 2D space handwriting models and 3D space ligature models based on that the most different parts between 2D space handwriting characters and 3D space handwriting characters are the shapes of ligatures. We design the ligature model not dependent on each character but dependent on the incoming and the outgoing vector. ...

This cross-sectional study compared the provision of surgical sterilization in public health services in Greater Metropolitan Campinas, São Paulo State, Brazil, and the characteristics of women and men who underwent sterilization before and after its legal regulation. Structured and pre-tested questionnaires were applied to 398 women, 15 directors of municipal family planning programs, and 15 c...

Kinetic equations describing ligation of DNA to circular recombinant forms were developed and solved for four types of reactions: (a) a homogeneous population of singly restricted DNA fragments, (b) insertion of singly restricted insert into vector, (c) forced directional insertion of doubly restricted insert into vector, and (d) insertion of singly restricted insert into phosphatased vector. T...

Tubal ligation is a surgical procedure for sterilization in which a woman's fallopian tubes are clamped and blocked, or severed and sealed, either method of which prevents eggs from reaching the uterus for implantation. However, fertilization can still occur in the fallopian tubes. While its benefits, such as effectiveness in protecting against pregnancies, minimal need for long-term follow-up ...

Since the laparoscope was introduced for sterilization there has been controversy about its safety. Advocates claim fewer thromboembolic and other complications, a shorter operating time, and a shorter stay in hospital. Antagonists emphasize serious complications such as diathermy of bowel and perforation of major vessels.' In Aberdeen, only five out of nine consultant gynaecologists use the me...

Since the isotopes can not be utilized for veterinary patients in Japan, the authors developed a simple calculation formula of shunt fraction of portosystemic shunt based on the hepatic circulation model. The shunt fraction can be calculated utilizing only 2 portal pressure measurements of pre-shunt ligation and temporary or permanent shunt ligation. The calculated shunt fraction can obtained p...