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全部话题 - 话题: hydrogel
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l******i
发帖数: 2284
1
来自主题: Chemistry版 - Paper help, 包子谢 link inside
http://www.sciencedirect.com/science/article/pii/S0378517310000
International Journal of Pharmaceutics, Volume 389, Issues 1–2, 15 April
2010, Pages 94-106
Design of psyllium–PVA–acrylic acid based novel hydrogels for use in
antibiotic drug delivery
Baljit Singh
Vikrant Sharma
l***d
发帖数: 1828
2
http://bbs.sciencenet.cn/home.php?mod=space&uid=585031&do=blog&
16日,人民大学化学系主任曹廷炳教授从高楼跳下后身亡。
曹教授是1973年生,属于青年才俊,北大博士毕业后去哈佛跟随某大牛做了3年博士后
,2005年被人大引进。几年来,科研成就不错,2011年11月还在《德国应用化学》这样
的牛刊上发表论文。
据说,曹自杀原因在于压力过大,而且化学系人际关系紧张。跳楼后留下了遗书,妻子
无工作,孩子很小很小。
人间惨剧啊!看来,人大这样的文科学校,校级领导都是文科出身,确实没有孕育理科
的环境,不适合建立理工科院系,或者说短期内人大校领导想出政绩很难!你看,都出
了人命!!!
愿逝者安息!望生者引以为戒!
曹教授教授简介:
http://chem.ruc.edu.cn/shizililiang/ShowArticle.asp?ArticleID=1
曹廷炳,教授,男,1973年7月出生,河南省光山县人。1996年北京理工大学本科毕业
,1999年北京服装学院获得硕士学位,2002年北京大学获得博士学位;2002~2005于哈... 阅读全帖
y*******9
发帖数: 360
3
来自主题: Chemistry版 - Paper Help
http://onlinelibrary.wiley.com/doi/10.1002/app.1994.070520110/a
Park, T. G.; Hoffman, A. S., Deswelling characteristics of poly (N‐
isopropylacrylamide) hydrogel. J Appl Polym Sci 1994, 52 (1), 85-89.
请好心人发到邮箱 s**********[email protected]. 包子感谢!
s********l
发帖数: 763
4
收到electrophoresis 的审稿机会,很不错的杂志。最近太忙,没时间,想推荐别人。
这片文章是关于电泳材料的,希望审稿人有生物材料的背景,对聚合物物性表征有经验
。文章题目是
Characterization of Internal Structure of Hydrated Agar and Gelatin Gels by
Cryo-Scanning Electron Microscopy
有意者请速回站内信箱,说明你的审稿经验,biomaterial (Hydrogel)和
electrophoresis的研究经验。
并请提供自己的学校或工作邮箱! 谢谢
s********l
发帖数: 763
5
收到electrophoresis 的审稿机会,很不错的杂志。最近太忙,想推荐别人。
这片文章是关于微流体和生物材料的,希望审稿人有微流体和生物材料的背景。
文章题目是
Manuscript # elps.201300194 entitled "Synthesis of uniform core-shell
gelatin-alginate microparticles as intestine-released oral delivery drug
carrier" has been submitted to the journal "ELECTROPHORESIS".
有意者请速回站内信箱,说明你的审稿经验,microfluidics ,biomaterial (Hydrogel
)和drug delivery, electrophoresis的研究经验。
并请提供自己的学校或工作邮箱! 谢谢
再次强调:如果是你自己的文章,不要申请申自己的文章。人品很重要!!!!
W*****s
发帖数: 684
6
Please help me with this paper. Thanks a lot!
Designing degradable hydrogels for orthogonal control of cell
microenvironments
PM Kharkar, KL Kiick, AM Kloxin - Chemical Society Reviews, 2013, ASAP
W*****s
发帖数: 684
7
来自主题: Chemistry版 - Please help me with this paper. Thanks!
Injectable and biodegradable hydrogels: gelation, biodegradation and
biomedical applications Yulin Li,João Rodriguesa and Helena Tomás
Chem. Soc. Rev., 2012,41, 2193-2221
DOI: 10.1039/C1CS15203C
Thanks!
W*****s
发帖数: 684
8
Advances in Bioactive Hydrogels to Probe and Direct Cell Fate
Annual Review of Chemical and Biomolecular Engineering
Vol. 3: 421-444 (Volume publication date July 2012)
DOI: 10.1146/annurev-chembioeng-062011-080945
z******o
发帖数: 78
9
【 以下文字转载自 Immigration 讨论区 】
发信人: zhapollo (暂时没想好), 信区: Immigration
标 题: 【求审稿】polymer synthesis, polymer networks, polymer rheology, hydrogels
发信站: BBS 未名空间站 (Mon Aug 19 16:18:31 2013, 美东)
求大家多多帮忙,虽然包子不多,但砸锅卖铁也会感谢好心人!
站内信联系!
w******e
发帖数: 953
10
Designing degradable hydrogels for orthogonal control of cell
microenvironments Kharkar, P.M., Kiick, K.L., Kloxin, A.M. 2013Chemical
Society Reviews 42 (17) , pp. 7335-7372
w******e
发帖数: 953
11
Designing degradable hydrogels for orthogonal control of cell
microenvironments Kharkar, P.M., Kiick, K.L., Kloxin, A.M. 2013Chemical
Society Reviews 42 (17) , pp. 7335-7372
w******e
发帖数: 953
12
1 Polymer-Plastics Technology and Engineering
Volume 50, Issue 13, 2011
Surface Cross-Linked Poly (Vinyl Alcohol) Hydrogel for Colon Targeted Drug
Release
DOI: 10.1080/03602559.2011.584238
w******e
发帖数: 953
13
Polymer - Plastics Technology and Engineering
Volume 50, Issue 13, September 2011, Pages 1357-1361
Surface cross-linked poly (Vinyl Alcohol) hydrogel for colon targeted drug
release
b*********w
发帖数: 283
14
最近有空闲,想审几篇稿子,为申绿卡做准备。小女子在这里拜谢了。
lg在药厂做senior scientist, 他的的方向
1. 分析化学:HPLC (小分子, 蛋白),Mass, 电泳
2. 生物医用材料,吸附剂, polymer合成和应用
3. Microreactor
我的方向
1. 生物分析化学:single-cell sampling, electroporation
2. Proteomics, glycoproteomics
3. Polymer hydrogel, biomaterial, drug delivery, microencapsulation
w********h
发帖数: 12367
15
曾经有人用“这个材料作者做过骨细胞的实验,现在又做神经细胞的实验”为由拒掉我
的一片文章,真是搞笑阿,能一样么能一样么?咋不去声讨全世界用chitosan,用
hyronic acid,用PLLA,用PEG-hydrogel在不同场合的人呐?
后来这篇文章顺利在另外一个杂志发表,发表后一年就被引用10次,其中好几位都是来
自名校如剑桥的生物教授,在review里讨论的。
有很多评审的人滥用自己手中的权力,无论是审文章还是审grant。
当然,编辑怎么决定那就是编辑的事情了,
确实,很多杂志的定位不可能太高,拒别人次数多了,别人不投稿了,
而且直接影响编辑和作者的关系,
能当编辑的,都不会情商太低的。。。。
w******e
发帖数: 953
16
来自主题: Chemistry版 - Papers needed. Thanks!
Papers needed. Thanks!
Journal of Nanoparticle Research
Volume 7, Issue 4-5, October 2005, Pages 469-476
Preparation of cellulose acetate supported zero-valent iron nanoparticles
for the dechlorination of trichloroethylene in water
Macromolecular Symposia
Volume 317-318, Issue 1, August 2012, Pages 301-309
Thermoresponsive and biodegradable hydrogels for sustained release of nerve
growth factor to stimulate neurite outgrowth
M*****4
发帖数: 2
17
来自主题: Chemistry版 - Assistant Research Professor Position
The Petroleum Engineering Program at Missouri University of Science and
Technology (S&T) seeks applicants for a non-tenure track assistant research
professor. Applicants must have a strong background in polymer synthesis
and characterization to support research in chemical Enhanced Oil Recovery
techniques. The strongest candidates should have experience to synthesize
and characterize hydrolyzed polyacrymide (HPAM) and hydrogels. Candidates
must have a PhD degree in Chemistry, Chemical Enginee... 阅读全帖
w******e
发帖数: 953
18
A laminin mimetic peptide SIKVAV-conjugated chitosan hydrogel promoting
wound healing by enhancing angiogenesis, re-epithelialization and collagen
deposition
J. Mater. Chem. B, 2015,3, 6798-6804
DOI: 10.1039/C5TB00842E
d*****n
发帖数: 76
19
来自主题: Chemistry版 - 材料化学博士毕业生求内推机会
大家好,小弟是刚刚VCU毕业的博士,做的是贵重金属气凝胶方面的研究,大家是否有
合适的Postdoc或者公司的机会可以帮忙内推一下?定有重谢。附上我博士期间发表的
论文目录:
1. Gao, X.; Esteves, R. J.; Luong, T. T. H.; Jaini, R.; Arachchige I. U.
“Oxidation-Induced Self-Assembly of Ag Nanoshells into Transparent and
Opaque Ag Hydrogels and Aerogels” J. Am. Chem. Soc., 2014, 136, 7993–8002.
(IF = 13.038,SCI一区,引用11次)
2. Gao, X.; Esteves, R. J.; Nahar, L.; Nowaczyk, J.; Arachchige, I. U. “
Direct Cross-Linking of Au/Ag Alloy Nanoparticles into Monolithic Aerogels
for Applicati... 阅读全帖

发帖数: 1
20
诚求审稿机会,
本人在日本取得硕博学位并有一年半博后经历,目前在美国继续博后工作,已有多次审稿
经验,最近在准备申请美国的绿卡,想继续积攒文章审稿数目,特诚求审稿机会。
主要研究方向有:
Biologically inspired materials;
Polymer biomaterials;
Surface modification;
Living radical polymerization (ATRP/RAFT);
Polymer nanoparticles and hydrogels;
Polymer therapeutics/Gene (RNA/protein) delivery systems;
Cell and material interactions;
Biosensor/biofuel cell;
Nanomedicine / Cancer therapy;
Bacterial, mammal cells and stem cells;
Laser scanning confocal microscopy;
Single cell analysis;
PDMS-b... 阅读全帖

发帖数: 1
21
化学/高分子/材料 求推荐审稿机会
才完成PhD,准备开始申请绿卡,在这里向各位大牛求审稿机会
涉及的领域主要有polymer/macromoleculear chemistry, self-assembly, drug
delivery, organic electronic materials, hybrid materials, block copolymer,
stimuli-responsive polymer, micelles and hydrogels等
email:[email protected]
如需要更多信息(比如CV或者publication list)请email我,多谢多谢
c*s
发帖数: 2145
22
来自主题: Macromolecules版 - 最近, 大家比较疯狂阿
两个有趣的POINTS。
一个是用POLYELECTROLYTE(PE)作为模板, 合成无机那米粒子,
特点在于结合了PE的层3状结构
和其作为NANOREACTOR的特点, 得到WELL-DEFINED 的结构(LAYER BY LAYER) Nano lett.
asap
另一个是MICROGEL,利用他神奇的对热,PH的RESPONSE作文章, 一个是生物方面的运用
,一个是光学方面的应用, 比如形成光子晶体,(latest adv. mater.)
color tunable photonic crystals from soft hydrogel nanoparticles
adv. mater. 14 No.9 pp 658
看来很多人瞄上这个地皮了


b**s
发帖数: 589
23
来自主题: Macromolecules版 - [转载] what kind of polymer has this properties
Hydrogel?

using
q***i
发帖数: 170
24
来自主题: Macromolecules版 - [转载] what kind of polymer has this properties
No.
I think some kind of hydrogel, polyacrylamide, is kind of
good elastic polymer.
b**s
发帖数: 589
25
来自主题: Macromolecules版 - [转载] what kind of polymer has this properties
Faint, Why you guys all pick PDMS?
Viscosity and elasticity mostly depend on the crosslinking density of the
target polymers. IF PDMS gets crosslinked, it's a kind of rubber! If
hydrogel-like polymers are not crosslinked, they are gelatinous materials,
just image the agaragar.
b**s
发帖数: 589
26
被2000版《中国药典》首次收载的凝胶剂应用于临床已有数年,起初多为医院制剂小量配
制,由于近年来应用范围不断扩大和工业生产水平不断提高,已有较多品种的凝胶剂批量
生产,因此被药典收载。凝胶剂系指药物与能形成凝胶的辅料制成的均一、混悬或乳剂型
的乳胶稠厚液体或半固体。药典明确界定:“小分子无机药物凝胶剂是由分散的药物胶体
小粒子以网状结构存在于液体中,具有触变性,属两相分散系统,也称混悬凝胶剂。局部
用凝胶剂属单相分散系统,有水性凝胶剂与油性凝胶剂之分,水性凝胶剂的主要基质一般
由水,甘油或丙二醇与纤维素衍生物、卡波姆和海藻酸盐、西黄善胶、明胶、淀粉构成;
油性凝胶剂的主要基质由液体石蜡与聚氧乙烯或脂肪油与胶体硅或铝皂、锌皂构成。”随
着新药和新型药用辅料的不断产生,人们对凝胶剂也进行了深入的研究,发现了一些较有
临床应用价值的制剂品种。
新型非甾体抗炎药吡罗昔康(pir)是一种较强的PG合成酶抑制剂,口服易产生胃肠
道反应,长期给药易导致悄化道出血、溃疡等。有人以高分子材料PVA1788、PVP、HPMC和
月桂氮酮为基质,制备了pir的亲水性凝胶剂,并以大鼠皮为模型皮肤,采用改良F
b*o
发帖数: 47
27
来自主题: Macromolecules版 - 胰岛素药丸不是梦 --丙烯酸聚合物



Ni





不知BOSS自何处得到原文。PURDUE在印地安纳州。此方法最初由PEPPAS的学生LOWMAN
(现DREXEL)研究:胰岛素delivered in pH-senstive hydrogel.
b*o
发帖数: 47
28
来自主题: Macromolecules版 - 前途无量的hydrogel

我把那篇文章看了好几遍,还是不明白他们的共聚物是怎么交联的。Or just
micell aggregation? Please help me understand. Thanks.
have
Instead,
two
systems
engineering.
the
b**s
发帖数: 589
b*o
发帖数: 47
30
来自主题: Macromolecules版 - 前途无量的hydrogel


coil

多谢讨论。我明白多月太自组装充当一个交联点,但另一个交联点呢?还是倾向于
micell aggregation, something like in the PEG-b-PLGA case.
b**s
发帖数: 589
31
来自主题: Macromolecules版 - 泄密
具体的情况不太清楚,我觉得细胞有保护的措施的,例如包裹在
hydrogel 里面
活体指living 生物,如肾脏损伤,就在腹部切开一个口子,直接
在患处生成scaffold和cell 的三维混合体
感应器感应人体的活动的原理就如坦克在行进中瞄准目标,所以
不用怕手术中其他器官跳动的影响
但具他们说不同layer生成不同tissue结构还有困难
m***n
发帖数: 266
32

artificial vascular graft
的研究由来已久。看这段中文我猜大致意思是biodegradable
polymer作scaffold, 即3毫米ID的channel, 用“多微孔的膜”创造一个ECM,
这个"多微孔的膜“的膜估计也是porous polymer, hydrogel之类的,然后把EC注入,
不懂”肝脏或者肾脏的细胞注入“的具体理由,大概就是多提供点cell吧。
我想他最后还要把硅晶片抽出来。
光看中文科技消息,看不出来这个除了用个硅晶片外有什么闪光点。
b**s
发帖数: 589
33
来自主题: Macromolecules版 - Is there a hydrogel
gelled when heated (increase temp.)
m***n
发帖数: 266
34
来自主题: Macromolecules版 - 谈谈 Tissue engineering
hydrogel/solidify?

sensitive...
oxidation?
b**s
发帖数: 589
35
来自主题: Macromolecules版 - 谈谈 Tissue engineering
forget one
8. Shrinkage after dry should be less than 10%.
can hydrogel make this

show
hoho.
solidify
c*s
发帖数: 2145
36
来自主题: Macromolecules版 - 谈谈 Tissue engineering
hydrogel is mechaniclly fragile

show
hoho.
solidify
b**s
发帖数: 589
37
来自主题: Macromolecules版 - tissue egineering有重大突破
1。
A photolabile hydrogel for guided three-dimensional cell growth and migration
Y. LUO AND M. S. SHOICHET
Nature Materials 3, 249; April 2004.
| Abstract | Full Text (HTML/PDF) |
Tissue engineering sees the light
To replace or repair body tissues from cultured cells requires a 'scaffold'
that contains pathways to support and guide cell organization. Such
biochemical channels have already been created in two-dimensional gel matrices
to guide tissue formation. But in this month's Nature Materials
w********h
发帖数: 12367
38
来自主题: Macromolecules版 - 请说出你对polymer gel的定义。
polymer gel是一种什么东东?
and hydrogel?
C***S
发帖数: 175
39
来自主题: Macromolecules版 - 请说出你对polymer gel的定义。
a weak cross linked polymer, if the polymer is hydrophilic, it is hydrogel.
Here I mentioned the weak crosslinked polymer, just to differiente them
from the rubber, which as I think is heavily cross-linker.
Weak cross linked polymer mean the system could have the huge capacity
on absorbing solvent, and can endure large shape change.
b**s
发帖数: 589
40
来自主题: Macromolecules版 - 请说出你对polymer gel的定义。
“还用rheometer表征这种"gel",里面G">G'”
这句话没问题呀
我现在做实验的时候也把G">G'作为gel point
表明高分子成为了percolated stress-bearing network
gel和rubber 的区别在於associate和disassociate是不是可逆的
gel 是semi-solid or semi-fluid,
说它fluid-like也没错呀

hydrogel.
y***e
发帖数: 6082
41
来自主题: Macromolecules版 - help with a title
Verdon S L; Chaikof E L; Coleman J E; Hayes L L; Connolly R J; Ramberg K; Merr
ill E W; Callow A D Scanning electron microscopy analysis of polyethylene oxi
de hydrogels for blood contact. Scanning microscopy (1990 Jun), 4(2), 34
1-9; discussion 349-50. Journal code: 8704616. ISSN:0891-7035. PubMed ID 24
02609 AN 90385232 MEDLINE

help help ah!!!!
w*****9
发帖数: 14
42
来自主题: Macromolecules版 - How to do drug uptaking experiments
Recently I am doing drug uptaking experiments. I put the swollen hydrogels
into the drug solution. At different time intervals I take out some drug
solution, and dilute them to detect the concentration by HPLC. First I thought
this way is good to determine the drug uptaking kinetics. However the results
are not good because the concentration of the solution didn't change very
much.
Can you tell me how to determine the drug uptaking?
Thank you very much.
d****i
发帖数: 360
43
来自主题: Macromolecules版 - How to do drug uptaking experiments
What is the weight ratio of the drug solution to the swollen hydrogel? If this
ratio is too high, you should expect that drug drop in the drug solution
would be very small. How about use less drug solution but high drug
concentration? BTW, why do you want to do this kind of drug uptaking? at first
, I though it's about drug uptaking by cells!

thought
results
s****e
发帖数: 2934
44
☆─────────────────────────────────────☆
wcy3029 (燕子) 于 (Thu Jul 27 20:51:45 2006) 提到:
I am doing DX delivery by hydrogels.I just begin. Most papers said loading
drug before polymerization and releasing it after polymerization. But I am so
confused how to purify the polymer after polymerization. There must be some
unreacted monomers residues in the polymer. During purifacation, the drug will
be released. Now I want to load drug after purification. I didn't get the
results yet.
☆─────────────
s****e
发帖数: 2934
45
来自主题: Macromolecules版 - [合集] How to do drug uptaking experiments
☆─────────────────────────────────────☆
wcy3029 (燕子) 于 (Mon Aug 7 10:56:30 2006) 提到:
Recently I am doing drug uptaking experiments. I put the swollen hydrogels
into the drug solution. At different time intervals I take out some drug
solution, and dilute them to detect the concentration by HPLC. First I thought
this way is good to determine the drug uptaking kinetics. However the results
are not good because the concentration of the solution didn't change very
much.
Can you tell me how to d
w********h
发帖数: 12367
46
来自主题: Macromolecules版 - 发现做hydrogel的多半是日本人。。。
poster session望眼过去全是日本人,
随便转悠了一下,小日本说英文,有点山东口音的说。。。。
但小日本都很诚恳而且急切地想向你表达他们的工作,
就这点上还是不错的。
抄了关于nanogel的几篇文献,
准备回家看看。。。
决定提前一天回家去了,
AIChE也是个很无趣的特大的会,
让人get lost...
poster session排与排之间距离太窄,
每每都得借光开道蹭来蹭去。
光线也不行。
何必要搞这么多小session?
有很多挺类似的,合并合并好了。。。
有的meeting room不合适地大,
零零星星坐了几个人而已,
无论屏幕字体再大,
也没办法保证后面的人看清楚了。
做pesentation切记切记:
蓝底千万不能配红字,红字离远一个都看不清。
当年参加society of rheology meeting,
我觉得size比较合适,
不多的meeting room都聚在一起,
同一时刻的并排展开列在schedule上面,
很容易对比那个talk更有意思。。。。
w********h
发帖数: 12367
47
来自主题: Macromolecules版 - 发现做hydrogel的多半是日本人。。。
我ft...
再看了看poster的介绍,
原来人家是US-Japan joint topical conference...
我还怪怎么这么多小日本呢。。。
s*****i
发帖数: 146
48
来自主题: Macromolecules版 - 发现做hydrogel的多半是日本人。。。
kataoka is also famous in this field

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S*****n
发帖数: 6055
49
来自主题: Macromolecules版 - 发现做hydrogel的多半是日本人。。。
should be gong jianping bah hehe:)

by
p**y
发帖数: 95
50
来自主题: Macromolecules版 - 发现做hydrogel的多半是日本人。。。
I am from southern China.
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