2-Bromo-1,3-bis­(4-chloro­phen­yl)prop-2-en-1-one

In the title compound, C15H9BrCl2O, the two benzene rings are twisted from each other with a dihedral angle of 47.33 (8)°. The crystal structure is stabilized by aromatic π–π inter­actions between the benzene rings of neighbouring mol­ecules [centroid–centroid distance = 3.680 (2) Å], and by weak inter­molecular C—H⋯O and C—H⋯Cl inter­actions. Additionally, the crystal structure exhibits a short intra­molecular C—H⋯Br contact (H⋯Br = 2.69 Å)

Modul pelatihan guru mata pelajaran ppkn smp kelompok kompetensi e (nilai-nilai dalam ppkn smp, penerapan saintifik, penilaian, dan pelaksanaan ptk)

Pendidik adalah tenaga kependidikan yang berkualifikasi sebagai guru, dosen, konselor, pamong belajar, widyaiswara, tutor, instruktur, fasilitator, dan sebutan lain yang sesuai dengan kekhususannya, serta berpartisipasi dalam menyelenggarakan pendidikan. Guru dan tenaga kependidikan wajib melaksanakan kegiatan pengembangan keprofesian secara berkelanjutan agar dapat melaksanakan tugas profesionalnya. Program Pengembangan Keprofesian Berkelanjutan (PKB) adalah pengembangan kompetensi Guru dan Tenaga Kependidikan yang dilaksanakan sesuai kebutuhan, bertahap, dan berkelanjutan untuk meningkatkan profesionalitasnya

Triprolidinium dichloranilate–chloranilic acid–methanol–water (2/1/2/2)

In the triprolidinium cation of the title compound {systematic name: 2-[1-(4-methyl­phen­yl)-3-(pyrrolidin-1-ium-1-yl)prop-1-en-1-yl]pyridin-1-ium bis­(2,5-dichloro-4-hy­droxy-3,6-dioxo­cyclo­hexa-1,4-dien-1-olate)–2,5-dichloro-3,6-dihy­droxy­cyclo­hexa-2,5-diene-1,4-dione–methanol–water (2/1/2/2)}, C19H24N2 2+·2C6HCl2O4 −·0.5C6H2Cl2O4·CH3OH·H2O, the N atoms on both the pyrrolidine and pyridine groups are protonated. The neutral chloranilic acid mol­ecule is on an inversion symmetry element and its hy­droxy H atoms are disordered over two positions with site-occupancy factors of 0.53 (6) and 0.47 (6). The methanol solvent mol­ecule is disordered over two positions in a 0.836 (4):0.164 (4) ratio. In the crystal, N—H⋯O, O—H⋯O and C—H⋯O inter­actions link the components. The crystal structure also features π–π inter­actions between the benzene rings [centroid–centroid distances = 3.5674 (15), 3.5225 (15) and 3.6347 (15) Å]

The Use of Massive Endoprostheses for the Treatment of Bone Metastases

Purpose. We report a series of 58 patients with metastatic bone disease treated with resection and endoprosthetic reconstruction over a five-year period at our institution. Introduction. The recent advances in adjuvant and neoadjuvant therapy in cancer treatment have resulted in improved prognosis of patients with bone metastases. Most patients who have either an actual or impending pathological fracture should have operative stabilisation or reconstruction. Endoprosthetic reconstructions are indicated in patients with extensive bone loss, failed conventional reconstructions, and selected isolated metastases. Methods and Results. We identified all patients who were diagnosed with metastatic disease to bone between 1999 and 2003. One hundred and seventy-one patients were diagnosed with bone metastases. Metastatic breast and renal cancer accounted for 84 lesions (49%). Fifty-eight patients with isolated bone metastasis to the appendicular skeleton had an endoprosthetic reconstruction. There were 28 males and 30 females. Twelve patients had an endoprosthesis in the upper extremity and 46 patients had an endoprosthesis in the lower extremity. The mean age at presentation was 62 years (24 to 88). At the time of writing, 19 patients are still alive, 34 patients have died, and 5 have been lost to follow up. Patients were followed up and evaluated using the musculoskeletal society tumour score (MSTS) and the Toronto extremity salvage score (TESS). The mean MSTS was 73% (57% to 90%) and TESS was 71% (46% to 95%). Mean follow-up was 48.2 months (range 27 to 82 months) and patients died of disease at a mean of 22 months (2 to 51 months) from surgery. Complications included 5 superficial wound infections, 1 aseptic loosening, 4 dislocations, 1 subluxation, and 1 case, where the tibial component of a prosthesis rotated requiring open repositioning. Conclusions. We conclude that endoprosthetic replacement for the treatment of isolated bone metastases is a reliable method of limb reconstruction in selected cases. It is associated with low complication and failure rates in our series, and achieves the aims of restoring function, allowing early weight bearing and alleviating pain

An android-based start-up app for self-agriculture and food

Several sectors, including technology, influence the need for food to date. Global heating conditions also impact the existing food system since poor agricultural conditions reduce farm product output and increase famine risk. As cybernated start-ups develop, it enables multiple parties to develop start-ups in farming and food sectors. This study aims to develop a self-agriculture and food start-up app based on Android OS. This application allows each user to prepare and commercialise food items autonomously. The system is intended to encourage individuals to perform tasks such as cultivating and selling harvests, purchasing dietary commodities, and monitoring current microclimate circumstances

4-(4-Carb­oxy­benz­yl)-1-methyl­piperazin-1-ium picrate

The title compound, C13H19N2O2+·C6H2N3O7−, is a salt obtained by cocrystallization of 4-[(4-methyl­piperazin-1-yl)meth­yl]benzoic acid and picric acid. The cations adopt an `L-shaped' conformation and are linked into chains along [010] by O—H⋯N hydrogen bonds. The NH group of each piperazinium ring forms a hydrogen bond to the phenolate O atom of a picrate anion, and the picrate anions form face-to-face contacts with an inter­planar separation of 3.023 (1) Å

MicroMotility: State of the art, recent accomplishments and perspectives on the mathematical modeling of bio-motility at microscopic scales

Mathematical modeling and quantitative study of biological motility (in particular, of motility at microscopic scales) is producing new biophysical insight and is offering opportunities for new discoveries at the level of both fundamental science and technology. These range from the explanation of how complex behavior at the level of a single organism emerges from body architecture, to the understanding of collective phenomena in groups of organisms and tissues, and of how these forms of swarm intelligence can be controlled and harnessed in engineering applications, to the elucidation of processes of fundamental biological relevance at the cellular and sub-cellular level. In this paper, some of the most exciting new developments in the fields of locomotion of unicellular organisms, of soft adhesive locomotion across scales, of the study of pore translocation properties of knotted DNA, of the development of synthetic active solid sheets, of the mechanics of the unjamming transition in dense cell collectives, of the mechanics of cell sheet folding in volvocalean algae, and of the self-propulsion of topological defects in active matter are discussed. For each of these topics, we provide a brief state of the art, an example of recent achievements, and some directions for future research