Improved anti-proliferative effect of doxorubicin-containing polymer nanoparticles upon surface modification with cationic groups [0.03%]
表面阳离子化对多柔比星聚合物纳米粒细胞增殖抑制效果的影响
Sai Archana Krovi,Elden P Swindell,Thomas V OHalloran et al.
Sai Archana Krovi et al.
Polymer nanoparticles (PNPs) possessing a high density of drug payload have been successfully stabilized against aggregation in biological buffers after amine modification, which renders these PNPs positively charged. The resulting charge-s...
Control of Green and Red Upconversion in NaYF4:Yb3+,Er3+ Nanoparticles by Excitation Modulation [0.03%]
通过激发调制控制NaYF4:Yb^3^+,Er^3^+纳米颗粒中的绿色和红色上转换
Christian F Gainer,Gihan S Joshua,Channa R De Silva et al.
Christian F Gainer et al.
Control of the two strongest upconversion emission lines in NaYF4:Yb3+, Er3+ nanoparticles is demonstrated by varying the excitation repetition rate. This technique may enable new multiplexed sensing modalities based on multicolor luminesce...
Using fluorine-containing amphiphilic random copolymers to manipulate the quantum yields of aggregation-induced emission fluorophores in aqueous solutions and the use of these polymers for fluorescent bioimaging [0.03%]
利用含氟两亲无规共聚物调控聚集诱发发光荧光团水溶液中的量子产率及其生物成像应用
Hongguang Lu,Fengyu Su,Qian Mei et al.
Hongguang Lu et al.
Two new series of aggregation-induced emission (AIE) fluorophore-containing amphiphilic copolymers possessing the segments of a monomeric AIE fluorophore, N-(2-hydroxypropyl)methacrylamide (HPMA), [2-(methacryloyloxy)ethyl]trimethylammonium...
Microfabricated photocrosslinkable polyelectrolyte-complex of chitosan and methacrylated gellan gum [0.03%]
微加工光交联聚电解质壳聚糖与甲基丙烯酸酯化角叉菜胶複合物
Daniela F Coutinho,Shilpa Sant,Mojdeh Shakiba et al.
Daniela F Coutinho et al.
Chitosan (CHT) based polyelectrolyte complexes (PECs) have been receiving great attention for tissue engineering approaches. These hydrogels are held together by ionic forces and can be disrupted by changes in physiological conditions. In t...
Reversible Swelling of Chitosan and Quaternary Ammonium Modified Chitosan Brush Layers: Effect of pH and Counter Anion Size and Functionality [0.03%]
壳聚糖和季铵改性壳聚糖刷状层的可逆溶胀:pH值以及反离子大小和功能的影响
Hyun-Su Lee,Michael Q Yee,Yonaton Y Eckmann et al.
Hyun-Su Lee et al.
This study investigates the swelling of grafted polycationic brushes as a function of pH and anion type. The brushes are chitosan (CH) and chitosans with 27% and 51% degree of substitution (DS) of quaternary ammonium salt, denoted as CH-Q(2...
Second Generation Gold Nanobeacons for Robust K-Edge Imaging with Multi-Energy CT [0.03%]
用于多能量CT成像的第二代金纳米信标K边缘成像
Carsten O Schirra,Angana Senpan,Ewald Roessl et al.
Carsten O Schirra et al.
Spectral CT is the newest advancement in CT imaging technology, which enhances traditional CT images with the capability to image and quantify certain elements based on their distinctive K-edge energies. K-edge imaging feature recognizes hi...
Enhanced Photodynamic Selectivity of Nano-Silica-Attached Porphyrins Against Breast Cancer Cells [0.03%]
纳米二氧化硅附着的卟啉增强光动力选择性对抗乳腺癌细胞
Wenbing Li,Wentong Lu,Zhen Fan et al.
Wenbing Li et al.
The synthesis and characterization of bare silica (4 nm in diameter) nanoparticle-attached meso-tetra(N-methyl-4-pyridyl)porphine (SiO(2)-TMPyP, 6 nm in diameter) are described for pH-controllable photosensitization. Distinguished from orga...
An Investigation of Siloxane Cross-linked Hydroxyapatite-Gelatin/Copolymer Composites for Potential Orthopedic Applications() [0.03%]
硅氧烷交联的羟基磷灰石-明胶/共聚物复合材料的调查研究_potential orthopedic applications()
Jason Christopher Dyke,Kelly Jane Knight,Huaxing Zhou et al.
Jason Christopher Dyke et al.
Causes of bone deficiency are numerous, but biomimetic alloplastic grafts provide an alternative to repair tissue naturally. Previously, a hydroxyapatite-gelatin modified siloxane (HAp-Gemosil) composite was prepared by cross-linking (N, N'...
New ratiometric optical oxygen and pH dual sensors with three emission colors for measuring photosynthetic activity in Cyanobacteria [0.03%]
用于测量蓝藻光合作用活性的新比值型光学氧和pH双传感器(三种发射颜色)
Hongguang Lu,Yuguang Jin,Yanqing Tian et al.
Hongguang Lu et al.
Photosynthetic algae and cyanobacteria have been proposed for producing biofuels through a direct photoconversion process. To accelerate the efforts of discovering and screening microbes for biofuel production, sensitive and high throughput...
Dong Soo Hwang,Matthew J Harrington,Qingye Lu et al.
Dong Soo Hwang et al.
Marine mussels utilize a variety of DOPA-rich proteins for purposes of underwater adhesion, as well as for creating hard and flexible surface coatings for their tough and stretchy byssal fibers. In the present study, moderately strong, yet ...