Results 101 to 110 of about 9,141,965 (248)

Comparison of Ultrasonic and Pneumatic Intracorporeal Lithotripsy Techniques during Percutaneous Nephrolithotomy

open access: yesThe Scientific World Journal, 2013
Objectives. To compare the effectiveness and safety of ultrasonic and pneumatic lithotripters in the treatment of renal stone disease. Materials and Methods.
Tolga Karakan   +5 more
doaj   +1 more source

Microgels Enable iPSCs to Assemble, Expand, and Differentiate Into Organoids—From Sizable to High‐Throughput

open access: yesAdvanced Materials, EarlyView.
A chemically defined PEG‐based microgel platform enables scalable, reproducible production of three‐dimensional microgel‐iPSC constructs in multiple sizes. The system is compatible with high‐throughput automation and supports human iPSC expansion and differentiation within a single construct, including directed differentiation into cardiac organoids ...
Laura Klasen   +8 more
wiley   +1 more source

Extracorporeal shock wave lithotripsy in children and adults: Institute experience using stonelith lithotripter

open access: yesIndian Journal of Urology, 2001
Objectives: To assess the value of extracorporeal shock wave lithotripsy (ESWL) in treating paediatric and adult urolithiasis, and to determine, factors that may affect the results.
M Gopi Kishore   +7 more
doaj  

Thickness‐Defined Transport Regime Toward Near‐Ideal Area‐Type Switching

open access: yesAdvanced Materials, EarlyView.
By thinning the oxide layer, memristors pass from diode‐like and battery‐effect‐dominated behavior toward eventual short‐circuit failure. Within the intermediate 5–6 nm window, they reach a near‐ideal analog area‐type switching regime, featuring symmetric hysteresis, area‐dependent conductance, and continuous linear programming of HRS and LRS with ...
Cuo Wu   +12 more
wiley   +1 more source

Comparison of stone-free rate between percutaneous nephrolithotomy and retrograde intrarenal surgery. [PDF]

open access: yesJ Chin Med Assoc, 2023
Chen P   +7 more
europepmc   +1 more source

Mechanoactive Biomaterials for Cell–Matrix Mechanotransduction

open access: yesAdvanced Materials, EarlyView.
The graphical abstract shows how individual triggers (force, light, or temperature) and combined optothermal or receptor‐targeted actuation induce material responses at the tissue, cellular, and receptor scales. Their spatial (global or focused) and temporal (continuous or cyclic) modulation determines the resulting mechanical output.
Yi‐Tung Lu   +2 more
wiley   +1 more source

Residual Stone Fragment after Percutaneous Nephrolithotomy; Shockwave Lithotripsy Vs Retrograde Intrarenal Surgery

open access: yesAdvanced Medical Journal
Background and objectives: The integration of technology into percutaneous nephrolithotomy procedures has yet to eliminate the issue of residual stone fragments, which cause recurrence or blockage of ureters.
Rako Abdulqader Hamarashid   +2 more
doaj   +1 more source

Wafer‐Scale Direct Growth of Ultraclean Monolayer Amorphous Carbon on c‐Sapphire by Remote Catalytic Dehydrogenation

open access: yesAdvanced Materials, EarlyView.
Remote catalytic dehydrogenation enables the direct growth of monolayer amorphous carbon on a 2‐inch sapphire wafer by thermal CVD. Spatial separation of the catalyst from the growth substrate eliminates metallic residue and post‐growth processing, yielding a wafer‐scale uniform film with a random polygonal sp2‐hybridized carbon network that exhibits ...
Muhammad Sabbtain Abbas   +8 more
wiley   +1 more source

Comparative evaluation of Stone Cone and NTrap for prevention of stone retropulsion during ureteroscopic lithotripsy for upper and mid-ureteric calculi

open access: yesAfrican Journal of Urology
Background Stone retropulsion during ureteroscopic lithotripsy (URSL) adversely affects stone-free rates and may increase the need for auxiliary procedures, particularly in upper and mid-ureteric calculi.
Vignesh Vivekanandam   +3 more
doaj   +1 more source

Programmable Microgel Degradation in Dynamic Granular Hydrogels Guides Extracellular Matrix Assembly During Tissue Repair

open access: yesAdvanced Materials, EarlyView.
This study reports on the chemical modification of hyaluronic acid to create hydrogels with hydrolytic degradability ranging from 2–28 days. Granular hydrogels that undergo timed degradation to increase porosity enhance cell invasion and provisional ECM remodeling in a muscle injury model, leading to reduced fibrosis and improved regeneration ...
Zhiyuan Chen   +7 more
wiley   +1 more source

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