In the past few years multi component reactions have captured the attention of synthetic chemists as they provide  easy  access  to diverse  complex  organic molecules through  carbon -  carbon   and  carbon - heteroatom  bond  formations  in tandem manner with simple easy  to carry out  reaction  conditions in short  time. 1,8-dioxo-octahydroxanthene is a significant class of oxygen containing...

one of the main requirements for providing software security is the enforcement of access control policies, which is sometimes referred to as the heart of security. the main purpose of access control policies is to protect resources of the system against unauthorized accesses. any error in the implementation of access control policies may lead to undesirable outcomes. hence, we should ensure th...

the role of information is undeniable in promoting public health (1-3). “access to health information for all” was the slogan of the world health organization in 2004 (4). the proving of this slogan requires access to health information by beneficiaries (health professionals and patients). access to health information by specialists as partly been achieved, but access to health information for ...

The Bruker timsTOF Pro is an instrument that couples trapped ion mobility spectrometry (TIMS) to high-resolution time-of-flight (TOF) mass (MS). For proteomics, lipidomics, and metabolomics applications, the typically interfaced with a liquid chromatography (LC) system. resulting LC-TIMS-MS data sets are, in general, several gigabytes size are stored proprietary Tims format (TDF). raw can be ac...