Results 81 to 90 of about 1,316,614 (311)

Injectable Stimuli‐Responsive Amphiphilic Hydrogel for Rapid Hemostasis, Robust Tissue Adhesion, and Controlled Drug Delivery in Trauma and Surgical Care

open access: yesAdvanced Healthcare Materials, EarlyView.
Fast‐acting hydrogel seals bleeding wounds as the illustrated injectable, pH‐responsive network rapidly gels in situ to stop hemorrhage, adhere strongly to wet tissue, and release antibiotics in a controlled, pH‐dependent manner. The material withstands high pressures, shows excellent biocompatibility, and degrades safely, offering a versatile platform
Arvind K. Singh Chandel   +5 more
wiley   +1 more source

Why are stock market returns correlated with future economic activities? [PDF]

open access: yes
Stock price, because it is a forward-looking variable, forecasts economic activities. An unexpected increase in stock price reflects that (i) future dividend growth is higher and/or (ii) future discount rates are lower than previously anticipated ...
Hui Guo
core  

Symmetry alteration of ensemble return distribution in crash and rally days of financial markets

open access: yes, 2000
We select the $n$ stocks traded in the New York Stock Exchange and we form a statistical ensemble of daily stock returns for each of the $k$ trading days of our database from the stock price time series. We study the ensemble return distribution for each
Lillo, Fabrizio, Mantegna, Rosario N.
core   +1 more source

Nb2C‐Reinforced Hydrogel Microneedle as Dual ROS‐Scavenging Platform to Promote Diabetic Wound Healing

open access: yesAdvanced Healthcare Materials, EarlyView.
An advanced microneedle patch integrating niobium carbide nanosheets and curcumin is engineered for diabetic wound healing. The system enables dual ROS scavenging and NIR‐enhanced antimicrobial activity, effectively rebalancing the oxidative microenvironment, promoting macrophage repolarization and angiogenesis, and accelerating full‐thickness wound ...
Zhi Zheng   +12 more
wiley   +1 more source

Analisis Model CAPM dan APT Dalam Memprediksi Tingkat Return Saham Syariah (Studi kasus Saham di Jakarta Islamic Index )

open access: yesI-Finance, 2015
The aim of  this research is to recognize the accuracy of CAPM and APT models in predicting the stock return of rural stocks and conventional stock at Jakarta Islamic Index.  Variable of this research are JII stock return, Beta, Risk free, Market return,
Lemiyana Lemiyana
doaj  

Multivariate Causal Estimates of Dividend Yields, Price Earning Ratio and Expected Stock Returns: Experience from Malaysia [PDF]

open access: yes
The study examines the relationship among Malaysian’s market stock return, dividend yields and price earnings rato. Specifically, it examines the existence of long-run and short-run relationship and also their predictive power (causality) between and ...
Abdul Fatah, Faizatul Syuhada   +1 more
core   +1 more source

DAMPAK PEMECAHAN SAHAM TERHADAP PERUBAHAN PENGEMBALIAN SAHAM PADA PERUSAHAAN YANG GO PUBLIK DI BURSA EFEK INDONESIA [PDF]

open access: yes, 2010
Policy of stock split is the issuer company's efforts to keep the stock remains in the optimal trading range by increasing the number of shares. An information content test is required to see the reaction of a stock split announcement. This study aims to
Nanang, Kurniawan
core  

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

open access: yesAdvanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long   +26 more
wiley   +1 more source

Financial leverage and the leverage effect: A market and firm analysis [PDF]

open access: yes
We quantify the effect of financial leverage on stock return volatility in a dynamic general equilibrium economy with debt and equity claims. The effect of financial leverage is studied both at a market and a firm level where the firm is exposed to both ...
A Cevdet Aydemir   +2 more
core  

A Soft Microrobot for Single‐Cell Transport, Spheroid Assembly, and Dual‐Mode Drug Screening

open access: yesAdvanced Materials, EarlyView.
A soft, untethered hydrogel microrobot enables precise single‐cell delivery, self‐assembly into 3D spheroids, and real‐time thermal actuation. Driven by light‐induced convection and embedded with gold nanorods and temperature sensors, the microrobot guides cells, modulates local microenvironments, and supports drug testing.
Philipp Harder   +3 more
wiley   +1 more source

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