Park It: East Bay parks to end 2013 w...

Park It: East Bay parks to end 2013 with butterflies, volcano hike

There are 18 comments on the Inside Bay Area story from Dec 24, 2013, titled Park It: East Bay parks to end 2013 with butterflies, volcano hike. In it, Inside Bay Area reports that:

As 2013 draws to a close, Regional Park District naturalists will send it off with a variety of programs showcasing the seasonal attractions of the East Bay's great outdoors.

Join the discussion below, or Read more at Inside Bay Area.

NEAL

Fremont, CA

#1 Dec 25, 2013
Magnetic dendritic heavy metal removal agent has excellent performance.
Heavy metal ions can be adsorbed and encapsulated by dendrimers with lots of hydroxyl groups, includes Ag+, Cu2+, Zn2+, Fe2+, thus dendrimers or dendritic polymer products can be used to remove heavy metal ions. Magnetic particles and amino terminated particles have good removal ability of heavy metals, if modified by dendrimer, the treat effect will be more excellent. Magnetic water treatment agents with different generations can be adjusted according to pH of various systems. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#2 Dec 25, 2013
Dendrimer varnish composition shows great performance in Automobile painting.
Automobile varnish should be material with better visuality, in order to protect environment, the material is expected to have low VOC, i.e high solid content. But with high content, viscosity of material will be increased to lead worse visuality. Dendrimner can be used as a new kind of hyper functionality adhesive of varnish to prepare painting with high solid content and good appearance. Polyester with low hydroxyl functionality will get soft and thin film, while high ones get hard and thin film. Varnish composition with dendrimer has good properties and solid content is higher than the current material (50%). Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#3 Dec 25, 2013
Excellent properties of dendrimer in Nano metal ions.
Preparation of size and shape controllable metal clusters is a challenge to Nanomaterial Science.
Dispersed and fine dendritic polymers are used as templates, size, stability, solubility of nano particles are controllable. So dendrimers are appropriate temperate for Nano metal particles due to void space and surface groups. Dendrimers are used as templates and sodium borohydride are used as reducer to react with samarium, particles with average size 4.7 nm0.5 nm and uniform distribution can be obtained. Generations of dendrimers decide its possibility in reaction as templates, high generation dendrimers are more suitable to be used as template and stabilizer. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#4 Dec 25, 2013
The excellent properties of dendrimer modified silver bromide nanoparticles in light catalysis.
Dendrimers are used as template to prepare sliver bromide nanoparticles, the sliver bromide are encapsulated in dendrimer, and nanoparticles were narrowly distributed with good stability. By adjusting proportion of Ag+ and dendrimer, silver bromide nanoparticles with different particles size were obtained. The sliver bromide and dendrimer nanocomposites are good at photocatalytic degradation of methyl orange, the smaller size, the better catalytic ability. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#5 Dec 25, 2013
Magnetic dendritic heavy metal removal agent has excellent performance.
Magnetic particles prepared by dendrimers have good magnetic response and suspension property, base material of magnetic particles have complete crystalline structure which could offer more active end groups. This is helpful to increase combination of magnetic dendritic heavy metal removal agent and protein, it can be widely used in material science, medical, biology etc. Its good performance shown in following: 1. High removal efficiency compared with traditional material. 2. Reusability. 3. Concentrated heavy metals, improve its reusability and recycling ratio. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#6 Dec 25, 2013
Dendrimer can greatly improve properties of reactive dyes.
Reactive dyes was used to treat jute fiber, the results show that dendrimer modified jute fiber tinting strength was increased by 30%, fixing strength increased 21%, and light resistance 90%. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#7 Dec 25, 2013
Dendrimer-OH / titania composites used as metal chelates.
Dendrimer-OH / titania composites can be used as metal chelates to treat wastewater with metal ions, especially for industrial plating wastewater treatment. Optimum pH value of electroplating wastewater that contain various metal ions was different, Cu2 + and Cr3 + optimum treatment pH value was 7, the metal ion removal rates was 96.6%, 99.9%, and optimum treatment pH value of Ni2+ was 9, removal rate was 99.8%. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#8 Dec 25, 2013
Excellent adsorption properties of novel cyclodextrin polymer of Zn2+.
Cyclodextrin (CD) is cyclic oligosaccharides connected by a different number of glucose molecules, and a class of good clathrate material. β-CD and dendritic molecules were used to synthesize novel polymer which is insoluble in common solvents, through elemental analysis, Molar ratio of CD and dendrimers was 2:1. The new polymer was used to adsorb Zn2+ in simulate water at pH 5 to 6.5, the initial concentration was 2.45mmol/L, Zn2+ adsorption capacity reached 0.78mmol/g. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#9 Dec 25, 2013
Dendrimers-nickel complex can well catalyze cyclohexene oxide under solvent-free conditions, the main products were 2 cyclohexenol, 2 cyclohexenone, 7 - Miscellaneous oxybis ring [4,1,0] heptane-2 rings - one, and the total selectivity of the three products in the total proportion of the reaction product was above 99%, 2 - cyclohexene selectivity can reach 44 % or more; molecular oxygen which was environmentally friendly was used as oxidant, solvent and reducing agent is not necessary. The catalyst preparation method is simple and its insoluble in water and common organic solvents, keeps active in water and air, reusable, meets the requirements of green chemistry development. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers. -The newest 4th class polymers.
NEAL

Fremont, CA

#10 Dec 25, 2013
Improved rheological and mechanical properties of dendrimer modified polyester.
The ductility of the polyester was enhanced being extruded together with dendrimer, but no increase in tensile stress; after-condensation of the polyester can improve tensile strength, but no change in ductility; after-condensation of polyester with low proportion of dendritic polymer can significantly improve the tensile stress and ductility of material. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#11 Dec 25, 2013
Excellent performance of dendritic heavy metal removal agents.
High content of heavy metal will damage the soil fertility and affect the flora and fauna. Silica grafted dendrimers was used to treat sewage with chromium, the concentration of chromium ions was decreased from 3.0mg/L to 0.24mg/L, and the process is simple and efficient, so dendrimers have promising application in the heavy metal treatment. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#12 Dec 25, 2013
Applications of dendrimer in light-emitting devices, fluorescent chemical sensor.
Most of the traditional organic light-emitting compound has concentration quenching effect, limits its application. Inhibition of concentration quenching effect can be done by doping, chromophore modification,due to weak luminous intensity, poor stability, increased costs, problems can not be solved fundamentally. Dendrimer based nanoparticles have better fluorescence intensity and stability, G1.0, the fluorescence intensity was increased 337 times, G10, increased 2466 times, this greatly improved the application of supramolecular complexes nanoparticles in luminescent devices, fluorescent chemical sensors, cell imaging, biomarkers and other areas. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Jinan, China

#13 Dec 25, 2013
Great fixation performance of dendrimers on quantum dots.
CdSe quantum dots modified by dendrimer with hydrophobically modified end groups may be well dispersed and fixed in chloroform, amino, and hydrophobic segments are necessary to fix the quantum dot, interaction between amino and the quantum dot can play a fixed action, while part of the hydrophobic segment can increase the dispersion stability of the quantum dots in a low polar solvent. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#14 Dec 25, 2013
High salt rejection nanofiltration membrane prepared by PAMAM.
At same concentration, the higher generation of PAMAM, the more amino to react with trimesoyl chloride to get more crosslinking points, more compact membrane leads to higher salt rejection; by increasing concentration, reaction time, the salt rejection rate was improved, the salt rejection coefficient of NF-NG2-8 membrane of Na2SO4、M gCl2 、MgSo4 reached 93.0%, 92.3% and 91.4%. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
NEAL

Fremont, CA

#15 Dec 25, 2013
Excellent performance of electrochemical biosensors based on dendritic polymers.
DNA electrochemical biosensor based on the new dendrimers was characterized and tested by electrochemical impedance, results showed that: 1) The sensor has a good selectivity, can effectively distinguish different sequences of DNA fragment, thus can effectively detect pp38 gene sequences Malik's virus Md11 strains; within 2.0 10-11 ~ 1.0 10-8 mol L-1 concentration range, pp38 gene sequence and its concentration of electron transfer resistance values were good linear relationship; 2) the DNA biosensor good stability, simple preparation, quick response, and can effectively identify mismatched gene sequences and detect complementary sequences of the gene, in all areas of disease diagnosis, virology, environmental monitoring, it has practical value. Weihai CY Dendrimer Technology Co., Ltd.-Professional Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.
Cleveland

Houston, TX

#16 Dec 27, 2013
What is this?
Amused

Pleasanton, CA

#17 Dec 28, 2013
Me thinks poor Neal found some shrooms on one of his park hikes :)
Bay-

Houston, TX

#18 Dec 29, 2013
???

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