目的:探究30%超分子水杨酸联合小光斑点阵CO_(2)激光治疗轻中度寻常痤疮的有效性和安全性。方法:选取2022年11月-2023年6月就诊于吉林大学中日联谊医院30例面部轻、中度寻常痤疮患者,以患者面部矢状线为界,按照随机数表将患者的双侧面...目的:探究30%超分子水杨酸联合小光斑点阵CO_(2)激光治疗轻中度寻常痤疮的有效性和安全性。方法:选取2022年11月-2023年6月就诊于吉林大学中日联谊医院30例面部轻、中度寻常痤疮患者,以患者面部矢状线为界,按照随机数表将患者的双侧面部随机分为对照侧和观察侧。对照侧(n=30),给予30%超分子水杨酸治疗(每4周治疗1次);观察侧(n=30),给予小光斑点阵CO_(2)激光治疗后即刻30%超分子水杨酸治疗(每4周治疗1次)。通过拍照、皮肤检测仪、皮损计数和痤疮综合分级系统(The global acne grading system,GAGS)评分等评估治疗的有效性;通过皮损清除率判定临床疗效,同时观察不良反应以评估安全性。治疗结束后12周对患者进行随访,评估复发情况。结果:治疗12周后,患者观察侧的临床疗效优于对照侧(P<0.05);观察侧的皮损清除效果明显优于对照侧(P<0.001);观察侧的GAGS评分改善程度明显优于对照侧(P<0.001)。治疗期间两侧均未出现严重不良反应。结论:30%超分子水杨酸联合小光斑点阵CO_(2)激光疗法对清除轻中度痤疮皮损优于30%超分子水杨酸单一治疗,具有见效快、安全性高、操作简单、患者满意度高等优点,且不增加患者相关不良反应。展开更多
In recent years, considerable attention has been paid to supramolecular networks based on metal organic building blocks because of their potential applications in diverse fields, such as, catalysis, optics, sensors, m...In recent years, considerable attention has been paid to supramolecular networks based on metal organic building blocks because of their potential applications in diverse fields, such as, catalysis, optics, sensors, magnetism, and molecular recognition^[1-3]. On the ba- sis of the principles of crystal engineering and special synthesis strategies, several novel supramolecular frameworks have been assembled from various organic, inorganic and metal-organic moieties, which largely en- riches the structure chemistry of solid state materi-als^[4-9].展开更多
Novel water-soluble amphiphilic ternary graft copolymers(COS-g-PCL-b-MPEG) were synthesized by N,N′-dicyclohexyl carbodiimide(DCC) coupling reaction between chitooligosaccharide(COS) with MPEG-b-PCL-COOH,which was sy...Novel water-soluble amphiphilic ternary graft copolymers(COS-g-PCL-b-MPEG) were synthesized by N,N′-dicyclohexyl carbodiimide(DCC) coupling reaction between chitooligosaccharide(COS) with MPEG-b-PCL-COOH,which was synthesized via ring-opening polymerization of ε-caprolactone(CL) with methoxy poly(ethylene glycol)(MPEG) as an initiator and subsequent carboxylation by succinic anhydride.The che-mical composition of the graft copolymers was studied by 1H NMR spectrum.In aqueous solutions,stable supramolecular hydrogels could be rapidly fabricated via the inclusion compound between the MPEG-b-PCL graft of COS derivates and α-CD.The supramolecular structure of the hydrogels was revealed by WXRD analysis.The temperature sweep test results show that no gel-sol transition temperature appears over the range from 20 ℃ to 60 ℃ for the obtained hydrogels.展开更多
A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand...A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand (aea) came from ma lic acid and ethylenediamine via in-situ reaction. The asymmetric molecules are interconnected through N-H...O hydrogen bond to form helical chains that are fur ther hold together into a two-dimensional network via the N-H...Cl hydrogen bond . The formation of aea can be considered as the substitution of hydroxyl group i n malate by ethylenediamino group, which presents a type of new in-situ ligand r eaction. CCDC: 222018.展开更多
文摘目的:探究30%超分子水杨酸联合小光斑点阵CO_(2)激光治疗轻中度寻常痤疮的有效性和安全性。方法:选取2022年11月-2023年6月就诊于吉林大学中日联谊医院30例面部轻、中度寻常痤疮患者,以患者面部矢状线为界,按照随机数表将患者的双侧面部随机分为对照侧和观察侧。对照侧(n=30),给予30%超分子水杨酸治疗(每4周治疗1次);观察侧(n=30),给予小光斑点阵CO_(2)激光治疗后即刻30%超分子水杨酸治疗(每4周治疗1次)。通过拍照、皮肤检测仪、皮损计数和痤疮综合分级系统(The global acne grading system,GAGS)评分等评估治疗的有效性;通过皮损清除率判定临床疗效,同时观察不良反应以评估安全性。治疗结束后12周对患者进行随访,评估复发情况。结果:治疗12周后,患者观察侧的临床疗效优于对照侧(P<0.05);观察侧的皮损清除效果明显优于对照侧(P<0.001);观察侧的GAGS评分改善程度明显优于对照侧(P<0.001)。治疗期间两侧均未出现严重不良反应。结论:30%超分子水杨酸联合小光斑点阵CO_(2)激光疗法对清除轻中度痤疮皮损优于30%超分子水杨酸单一治疗,具有见效快、安全性高、操作简单、患者满意度高等优点,且不增加患者相关不良反应。
基金Supported by the National Natural Science Foundation of China(Nos.20371007,20476011).
文摘In recent years, considerable attention has been paid to supramolecular networks based on metal organic building blocks because of their potential applications in diverse fields, such as, catalysis, optics, sensors, magnetism, and molecular recognition^[1-3]. On the ba- sis of the principles of crystal engineering and special synthesis strategies, several novel supramolecular frameworks have been assembled from various organic, inorganic and metal-organic moieties, which largely en- riches the structure chemistry of solid state materi-als^[4-9].
文摘Novel water-soluble amphiphilic ternary graft copolymers(COS-g-PCL-b-MPEG) were synthesized by N,N′-dicyclohexyl carbodiimide(DCC) coupling reaction between chitooligosaccharide(COS) with MPEG-b-PCL-COOH,which was synthesized via ring-opening polymerization of ε-caprolactone(CL) with methoxy poly(ethylene glycol)(MPEG) as an initiator and subsequent carboxylation by succinic anhydride.The che-mical composition of the graft copolymers was studied by 1H NMR spectrum.In aqueous solutions,stable supramolecular hydrogels could be rapidly fabricated via the inclusion compound between the MPEG-b-PCL graft of COS derivates and α-CD.The supramolecular structure of the hydrogels was revealed by WXRD analysis.The temperature sweep test results show that no gel-sol transition temperature appears over the range from 20 ℃ to 60 ℃ for the obtained hydrogels.
文摘A new compound [CoⅢ(aea)(2,2′-bipy)]Cl·H2O (aea=N-(2-aminoethyl)asp artate, 2,2′-bipy=2,2′-bipyridine) was hydrothermally synthesized and structur ally characterized, which contains a new quadridentate ligand (aea) came from ma lic acid and ethylenediamine via in-situ reaction. The asymmetric molecules are interconnected through N-H...O hydrogen bond to form helical chains that are fur ther hold together into a two-dimensional network via the N-H...Cl hydrogen bond . The formation of aea can be considered as the substitution of hydroxyl group i n malate by ethylenediamino group, which presents a type of new in-situ ligand r eaction. CCDC: 222018.
