Sigma-Aldrich
聚乙烯醇, Mw 89,000-98,000, 99+% hydrolyzed
Sigma-Aldrich
戊二醛 溶液, Grade I, 25% in H2O, specially purified for use as an electron microscopy fixative
Sigma-Aldrich
戊二醛 溶液, Grade II, 25% in H2O
Sigma-Aldrich
聚乙烯醇, 87-90% hydrolyzed, average mol wt 30,000-70,000
Sigma-Aldrich
戊二醛 溶液, 50 wt. % in H2O
Sigma-Aldrich
α-淀粉酶 来源于人类唾液, Type XIII-A, lyophilized powder, 300-1,500 units/mg protein
Sigma-Aldrich
聚乙烯醇, Mw 9,000-10,000, 80% hydrolyzed
Sigma-Aldrich
聚乙烯醇, Mw 13,000-23,000, 87-89% hydrolyzed
Sigma-Aldrich
聚乙烯醇, Mw 146,000-186,000, 99+% hydrolyzed
Sigma-Aldrich
® 4-88, Mw ~31,000
Sigma-Aldrich
戊二醛 溶液, Grade I, 50% in H2O, specially purified for use as an electron microscopy fixative or other sophisticated use
Sigma-Aldrich
聚乙烯醇, Mw 31,000-50,000, 98-99% hydrolyzed
Sigma-Aldrich
戊二醛 溶液, Grade I, 70% in H2O, specially purified for use as an electron microscopy fixative or other sophisticated use
Sigma-Aldrich
α-淀粉酶 来源于芽孢杆菌 属, Type II-A, lyophilized powder, ≥1,500 units/mg protein (biuret)
Sigma-Aldrich
聚乙烯醇, Mw 85,000-124,000, 99+% hydrolyzed
Sigma-Aldrich
戊二醛 溶液, technical, ~50% in H2O (5.6 M)
Sigma-Aldrich
α-淀粉酶 来源于枯草芽孢杆菌, powder, yellow-brown, ~50 U/mg
Sigma-Aldrich
α-淀粉酶 来源于人类唾液, Type IX-A, lyophilized powder, 1,000-3,000 units/mg protein
Sigma-Aldrich
聚乙烯醇, Fully hydrolyzed
Sigma-Aldrich
聚乙烯醇, average Mw 85,000-124,000, 87-89% hydrolyzed
Sigma-Aldrich
聚乙烯醇, average Mw 13,000-23,000, 98% hydrolyzed
Sigma-Aldrich
Mowiol® 18-88 聚(乙烯醇), Mw ~130,000
Sigma-Aldrich
聚乙烯醇, average Mw 31,000-50,000, 87-89% hydrolyzed
Sigma-Aldrich
聚乙烯醇, average Mw 146,000-186,000, 87-89% hydrolyzed
Sigma-Aldrich
戊二醛 溶液, Grade I, 8% in H2O, specially purified for use as an electron microscopy fixative or other sophisticated use
Sigma-Aldrich
α-淀粉酶 来源于芽孢杆菌 属, powder, ≥400 units/mg protein (Lowry)
Sigma-Aldrich
Mowiol® 8-88, Mw ~67,000
Sigma-Aldrich
聚乙烯醇, average Mw 130,000, 99+% hydrolyzed
Sigma-Aldrich
Mowiol ® 10-98, Mw ~61,000
Sigma-Aldrich
戊二醛 溶液, 50% in H2O, suitable for photographic applications