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Deep Proteoform Sequencing with Top-Down Direct Mass Technology

Individual Ion Mass Spectrometry (I2MS) using Direct Mass Technology mode on an Orbitrap mass spectrometer (DMTm) increases sensitivity, resolution, and mass range for protein analysis. Here, we present an end-to-end workflow for deep proteoform sequencing using top-down mass spectrometry with DMTm. By assigning the charge of individual fragment ions and converting spectra from the m/z to the mass domain, DMTm resolves overlapping isotopic distributions that have limited conventional...

bioRxiv 7d ago

The effect of bubble induced turbulent structures on the mass transfer of non-spherical bubbles

Announce Type: new Abstract: Although mass transfer from bubbles to liquid is essential for the prediction of the efficiency of reactors, the mass transfer from bubbles is not fully understood. To determine the effect of the local velocity profile on the mass transfer for a wobbling bubble with an E\"otv\"os number of 2 and a Morton number of 10-11, 15 simulations were performed with a Front Tracking method using a sub-grid scale model for the mass transfer in the vicinity of the interface....

arXiv Physics 9d ago

Manchester city centre 'mass brawl' leaves at least one injured as police cordon off scene

Manchester city centre 'mass brawl' leaves at least one injured as police cordon off scene Police have cordoned off Red Lion Street in Manchester city centre following reports of a 'mass brawl' on Monday night. Multiple police vehicles and ambulances responded to the incident, with at least one person taken away on a stretcher. A cordon was established in Manchester city centre following reports of a 'mass brawl' this evening.

Daily Mirror 8d ago

Mass shooting with at least 10 attackers in Johannesburg

Mass shooting with at least 10 attackers in Johannesburg Mass shooting with at least 10 attackers in Johannesburg A manhunt is underway for at least 10 suspects in a mass shooting that left 12 people dead near Johannesburg, South Africa. The motive for the attack is not known but Al Jazeera’s Fahmida Miller reports that recent shootings have been linked to turf wars or gang violence.

Al Jazeera 1h ago

More than 1.2 million people attend Pope's mass in Madrid

More than 1.2 million people attend Pope's mass in Madrid More than 1.2 million people filled the streets of Madrid on Sunday for a mass by Pope Leo XIV at which he called for a renewal of the Catholic faith, saying Spaniards should not look at religion as "a museum of the past to be visited, but a school of faith from which to draw even today". King Felipe VI and Queen Letizia joined the throngs of devotees waving Spanish and Vatican flags in Cibeles Square. The mass comes on day two of...

France 24 3d ago

Product units in gated recurrent units improve nuclear-mass prediction

arXiv:2606.06866v1 Announce Type: new Abstract: The prediction of masses of atomic nuclei using machine learning can complement theoretical models and advance the exploration of poorly known domains of the nuclear chart. We propose a machine learning technique based on gated recurrent units (GRU), which have demonstrated competitive performance in nuclear-mass prediction by exploiting long-term dependencies. By integrating multiplicative interactions and product-unit transformations within...

arXiv CS 2d ago

Klein--Gordon and Dirac Oscillators with an Apparent Mass Induced by the Momentum-Space Dual of the Fock--Lorentz Transformations

arXiv:2606.05226v1 Announce Type: new Abstract: We propose a controlled momentum-space dual of the Fock--Lorentz (FL) transformations and use it to derive a deformed relativistic mass shell. Restricting the FL conformal factor to the cosmological-frame world line $\vx=0$, the invariant relation takes the form $(E^{2}-\vp^{2}c^{2})(1+ct/R)^{2}=m_{0}^{2}c^{4}$, which is equivalent to the standard special-relativistic dispersion law with a time-dependent apparent mass $\mapp(t)=m_{0}/(1+ct/R)$....

arXiv Physics 5d ago

More than 1 million people flood Madrid streets to see Pope Leo preside over open-air Mass

More than 1 million people flood Madrid streets to see Pope Leo preside over open-air Mass Leo is expected to meet survivors of Catholic sex abuse during his trip but some victim groups have questioned whether they are invited Pope Leo honoured Spain’s centuries-old tradition of religious devotion on Sunday as a “school of faith” for today, as he presided over a Mass before more than a million people that highlighted one of the most iconic expressions of Spanish popular piety: a procession...

South China Morning Post 3d ago

Manhunt in South Africa for attackers who killed 12 in mass shooting

Manhunt in South Africa for attackers who killed 12 in mass shooting More than 10 gunmen ambushed a Johannesburg informal settlement, leaving nine others wounded in a late-night rampage Multiple attackers killed 12 people and wounded at least nine in a late-night mass shooting in Johannesburg, police said Wednesday, the latest in such attacks that have shaken the South African city. Police said they believe more than 10 suspects were driven in a minibus to an informal settlement in the...

South China Morning Post 9h ago

Minor Ions as a Diagnostic of Solar Wind Heating: Inverted Mass-to-Charge Scaling in Imbalanced Turbulence

Announce Type: cross Abstract: Alfv\'enic turbulence is vital to powering the solar wind and corona, yet eludes a comprehensive understanding of the kinetic processes by which it dissipates. Minor ions are sensitive tracers of these processes, showing extreme perpendicular temperatures and mass-weighted temperature trends that can either correlate or anticorrelate with mass-to-charge ratio, $A_i/Z_i$. We use a combination of quasilinear theory and 3D hybrid-kinetic simulations to explain...

arXiv Physics 5d ago