Yoshinori Matsuura
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View article: Influence of Rigid Carrier Substrates & its Release Layer on Ultra Fine Pitch chip last FO-WLPs
Influence of Rigid Carrier Substrates & its Release Layer on Ultra Fine Pitch chip last FO-WLPs Open
In recent years the leading-edge product enablers in Wireless Connectivity for WiFi & Bluetooth, Wearable HD Modules, Artificial Intelligence (AI), Application Processors etc. require ultra-high density chip packaging device using heteroge…
View article: Influence of Rigid Carrier Substrate and its Release Layer on Warpage of Fan-out chip last WLPs & PLPs
Influence of Rigid Carrier Substrate and its Release Layer on Warpage of Fan-out chip last WLPs & PLPs Open
In recent years, the need for ultra-high density chip packaging devices and heterogenous integration devices require strategic placement of various components for high-performance computing (HPC), artificial intelligence (AI), etc. The fan…
View article: Conformational alterations in unidirectional ion transport of a light-driven chloride pump revealed using X-ray free electron lasers
Conformational alterations in unidirectional ion transport of a light-driven chloride pump revealed using X-ray free electron lasers Open
Significance Light-driven chloride pumps have been identified in various species, including archaea and marine flavobacteria. The function of ion transportation controllable by light is utilized for optogenetics tools in neuroscience. Chlo…
View article: Fine Line and Low Stress RDL Solition for Fan-Out Wafer Level & Panel Level Packaging
Fine Line and Low Stress RDL Solition for Fan-Out Wafer Level & Panel Level Packaging Open
Process limitations faced during the construction and integration of current and next generation advanced packages require a new RDL (Redistribution Layer) approach to overcome fine L/S and stress constraints. If interactions between desig…
View article: Unidirectional ion transport mechanism of a light-driven chloride pump revealed using X-ray free electron lasers
Unidirectional ion transport mechanism of a light-driven chloride pump revealed using X-ray free electron lasers Open
Light-driven chloride-pumping rhodopsins actively transport anions, including various halide ions, across cell membranes. Recent studies using time-resolved serial femtosecond crystallography (TR-SFX) have uncovered the structural changes …
View article: Capturing structural changes of the S<sub>1</sub> to S<sub>2</sub> transition of photosystem II using time-resolved serial femtosecond crystallography
Capturing structural changes of the S<sub>1</sub> to S<sub>2</sub> transition of photosystem II using time-resolved serial femtosecond crystallography Open
Photosystem II (PSII) catalyzes light-induced water oxidation through an S i -state cycle, leading to the generation of di-oxygen, protons and electrons. Pump–probe time-resolved serial femtosecond crystallography (TR-SFX) has been used to…
View article: Further thermo‐stabilization of thermophilic rhodopsin from <i>Thermus thermophilus</i> <scp>JL</scp> ‐18 through engineering in extramembrane regions
Further thermo‐stabilization of thermophilic rhodopsin from <i>Thermus thermophilus</i> <span>JL</span> ‐18 through engineering in extramembrane regions Open
It is known that a hyperthermostable protein tolerable at temperatures over 100°C can be designed from a soluble globular protein by introducing mutations. To expand the applicability of this technology to membrane proteins, here we report…
View article: Capturing structural changes of photosystem II using time-resolved serial femtosecond crystallography with proper flash excitations
Capturing structural changes of photosystem II using time-resolved serial femtosecond crystallography with proper flash excitations Open
Photosystem II (PSII) catalyzes light-induced water oxidation through an Si-state cycle, leading to the generation of di-oxygen, protons, and electrons. Pump-probe time-resolved serial femtosecond crystallography (TR-SFX) has been used to …
View article: Evaluating the strengths of salt bridges in the CutA1 protein using molecular dynamic simulations: a comparison of different force fields
Evaluating the strengths of salt bridges in the CutA1 protein using molecular dynamic simulations: a comparison of different force fields Open
Ion–ion interactions (salt bridges) between favorable pairs of charged residues are important for the conformational stability of proteins. Molecular dynamic ( MD ) simulations are useful for elucidating the interactions among charged resi…
View article: A new cryo-EM system for single particle analysis
A new cryo-EM system for single particle analysis Open
A new cryo-EM system has been investigated for single particle analysis of protein structures. The system provides parallel illumination of a highly-coherent 300 kV electron beam from a cold-field emission gun, and boosts image contrast wi…
View article: Confirmation of the formation of salt bridges in the denatured state of CutA1 protein using molecular dynamics simulations
Confirmation of the formation of salt bridges in the denatured state of CutA1 protein using molecular dynamics simulations Open
It remains unclear how the abundant charged residues in proteins from hyperthermophiles contribute to the stabilization of proteins. Previously, based on molecular dynamics (MD) simulations, we proposed that these charged residues decrease…
View article: Designing better diffracting crystals of biotin carboxyl carrier protein from<i>Pyrococcus horikoshii</i>by a mutation based on the crystal-packing propensity of amino acids
Designing better diffracting crystals of biotin carboxyl carrier protein from<i>Pyrococcus horikoshii</i>by a mutation based on the crystal-packing propensity of amino acids Open
An alternative rational approach to improve protein crystals by using single-site mutation of surface residues is proposed based on the results of a statistical analysis using a compiled data set of 918 independent crystal structures, ther…
View article: Protein–ligand complex structure from serial femtosecond crystallography using soaked thermolysin microcrystals and comparison with structures from synchrotron radiation
Protein–ligand complex structure from serial femtosecond crystallography using soaked thermolysin microcrystals and comparison with structures from synchrotron radiation Open
Serial femtosecond crystallography (SFX) with an X-ray free-electron laser is used for the structural determination of proteins from a large number of microcrystals at room temperature. To examine the feasibility of pharmaceutical applicat…