【中文名稱】：迪夫快速染色液(Diff-Quik Stain)
【規(guī)格】：4×100ml、43×500ml
【用途】:主要用于血細(xì)胞涂片、骨髓涂片、陰道分泌物涂片、脫落細(xì)胞涂片的染色。
【分類】：細(xì)胞染色
【保存】:室溫,避光，12個(gè)月

【備注】：含固定液。與Wright Stain類似都是利用Romanowsky Stain技術(shù)原理改良而來的,染色結(jié)果與瑞氏染色液也極其相似,但迪夫快速染色所需的時(shí)間極短,一般90s以內(nèi)即可完成染色。

青島捷世康經(jīng)營各種染液、標(biāo)準(zhǔn)品，培養(yǎng)基、進(jìn)口/國產(chǎn)ELISA試劑盒量大可訂做，詳情咨詢！

PIPES緩沖液(10mmol/L,PH6.8)
p-碘硝基四唑紫溶液(INT,2.5mg/ml
羅丹明123溶液(0.5mg/ml
線粒體膜電位檢測(cè)試劑盒（羅丹明123法）
線粒體膜電位檢測(cè)試劑盒（JC-1法）
細(xì)胞凋亡與壞死檢測(cè)試劑盒
臺(tái)盼藍(lán)染色細(xì)胞存活率檢測(cè)試劑盒
MTT細(xì)胞增殖及細(xì)胞毒性檢測(cè)試劑盒
MTT溶液(5mg/ml)
MTT溶液(5mg/ml)
HEPES-CHAPS緩沖液(PH7.05)
HEPES-CHAPS緩沖液(PH7.05)
ABTS緩沖液(PH5.0)
CA緩沖液(PH7.5)
鉬酸銨溶液(0.42%)
山梨醇-磷酸鹽溶液(1.2mol/L,PH7.5)
山梨醇緩沖液
山梨醇溶液(1.1mol/L)
山梨醇溶液(1mol/L)
磷酸酶抑制劑(10×)
蔗糖咪唑溶液(2.25mol/L,PH7.0)
蔗糖咪唑溶液(1.65mol/L,PH7.0)
蔗糖咪唑溶液(1.1mol/L,PH7.0)
蔗糖咪唑溶液(0.4mol/L,PH7.0)
蔗糖-氯化鎂基液(0.25mol/L,PH6.7)
蔗糖-琥珀酸溶液(SS,0.25mol/L,PH7.8)
蔗糖-琥珀酸溶液(SS,0.25mol/L,PH7.8)
蔗糖-Tris-馬來酸溶液(1.25M:50mM,PH6.4)
蔗糖-Tris-HCl2溶液(0.35M:0.01mM)
右旋糖酐勻基漿液(DHM,PH6.4)

改良番茄汁培養(yǎng)基基礎(chǔ)
Tomato Juice Agar， Modified
改良MC培養(yǎng)基
Chalmers Agar ，Modified
MRS肉湯（MRS）
MRS Broth
MRS瓊脂（MRSA）
MRS Agar
BBL瓊脂培養(yǎng)基
BBL Agar Medium
莫匹羅星鋰鹽改良MRS培養(yǎng)基
Li Mupirocin Modified MRS Agar
TPY瓊脂培養(yǎng)基 
TPY Medium
PYG液體培養(yǎng)基基礎(chǔ)
PYG Broth Base
乳酸桿菌選擇性瓊脂
Lactobacillus Selective Agar
乳酸桿菌肉湯培養(yǎng)基
Lactobacillus Broth
M17瓊脂
M17 Medium
M17肉湯
M17 Broth

人ω干擾素(IFN-ω)ELISA Kit  Human Interferon ω,IFN-ω ELISA Kit
人糖基化依賴的細(xì)胞黏附分子(GlyCAM-1)ELISA Kit  Human glycosylation-dependent cell adhesion molecule-1,GlyCAM-1 ELISA Kit
人干擾素調(diào)節(jié)因子(IRF)ELISA Kit  Human interferon Regulatory Factor,IRF ELISA Kit
人淋巴毒素β(LTB)ELISA Kit  Human lymphotoxinβ,LTB ELISA Kit
人淋巴毒素α(LTA)ELISA Kit  Human lymphotoxinα,LTA ELISA Kit
人CC趨化因子受體1(CCR1)ELISA Kit Human CC-chemokine receptor 1,CCR1 ELISA Kit
人CX3C趨化因子受體1(CX3CR1)ELISA Kit Human CX3C-chemokine receptor 1,CX3CR1 ELISA Kit
人肺部活化調(diào)節(jié)趨化因子(PARC/CCL18)ELISA Kit  Human pulmonary activation regulated chemokine,PARC ELISA Kit
人黏膜地址素細(xì)胞黏附分子(MAdCAM-1)ELISA Kit Human mucosal addressin cell adhesion molecule-1,MAdCAM-1 ELISA Kit
人β干擾素(IFN-β/IFNB)ELISA Kit Human Interferon β,IFN-β/IFNB ELISA Kit
人可溶性CD38(sCD38)ELISA Kit Human Soluble Cluster of differentiation 38,sCD38 ELISA Kit
人可溶性CD21(CR2/sCD21)ELISA Kit  Human Soluble Cluster of differentiation 21,sCD21 ELISA Kit
人可溶性瘦素受體(sLR)ELISA Kit Human Leptin Soluble Receptor,sLR ELISA Kit
人Toll樣受體9(TLR-9/CD289)ELISA kit Human Toll-like receptor 9,TLR-9 ELISA kit
人轉(zhuǎn)化生長因子β2(TGFβ2)ELISA Kit  Human transforming growth factors β2,TGFβ2 ELISA Kit
人單核細(xì)胞趨化蛋白4(MCP-4/CCL13)ELISA Kit  Human monocyte chemotactic protein 4,MCP-4 ELISA kit
人白三烯D4(LTD4)ELISA Kit Human leukotriene D4,LT-D4 ELISA Kit
人N鈣黏蛋白/神經(jīng)鈣黏蛋白(N-Cad)ELISA Kit  Human Neural-Cadherin, N-Cad ELISA kit
人肝素結(jié)合性表皮生長因子(HB-EGF)ELISA Kit  Human heparin-binding epidermal growth factor-like growth factor,HB-EGF ELISA Kit
人紅細(xì)胞刺激因子(ESF)ELISA Kit  Human erythropoiesis stimulating factor,ESF ELISA Kit
人腫瘤壞死因子相關(guān)激活誘導(dǎo)因子(TRANCE)ELISA Kit  Human TNF related activation induced cytokine,TRANCE ELISA Kit
人生長激素釋放因子(GH-RF)ELISA Kit  Human growth hormone relasing factor,GH-RF ELISA Kit
人巨噬細(xì)胞趨化因子(MCF)ELISA Kit  Human macrophage chemotatic factor,MCF ELISA Kit
人α/β干擾素受體(IFN-α/βR)ELISA Kit  Human Interferon α/βReceptor,IFN-α/βR ELISA Kit
人B細(xì)胞生長因子(BCGF)ELISA Kit  Human B cell growth protein,BCGF ELISA Kit
人B細(xì)胞分化因子(BCDF)ELISA Kit  Human B cell differetiation factor,BCDF ELISA Kit
人上皮細(xì)胞粘附分子(Ep-CAM/CD362)ELISA Kit  Human Epithelial Cell Adhesion Molecule,Ep-CAM ELISA Kit
人可溶性粘附分子(Sam)ELISA Kit  Human soluble adhesion molecules,Sam ELISA Kit
人巨噬細(xì)胞替代激活相關(guān)化學(xué)因子1(AmAC-1)ELISA Kit Human Alternative macrophage activation-associated CC chemokine 1,AmAC-1 ELISA Kit
人可溶性血管內(nèi)皮生長因子受體2(VEGFR-2/sFLK-1)ELISA Kit Human soluble vascular endothelial growth factor receptor-2,VEGFR-2/sFLK-1 ELISA Kit
人胸腺基質(zhì)淋巴細(xì)胞生成素(TSLP)ELISA Kit Human thymic stromal lymphopoietin,TSLP ELISA Kit
人穿孔素/成孔蛋白(PF/PFP)ELISA Kit Human Perforin/Pore-forming protein,PF/PFP ELISA Kit
人多效生長因子(PTN)ELISA Kit Human pleiotrophin,PTN ELISA Kit
人可溶性CD28(sCD28)ELISA Kit human soluble cluster of differentiation 28,sCD28 ELISA Kit
人淋巴細(xì)胞因子ELISA Kit Human lymphocyte factor ELISA Kit
人胸腺活化調(diào)節(jié)趨化因子(TARC/CCL17)ELISA Kit  Human thymus activation regulated chemokine,TARC ELISA Kit
人神經(jīng)細(xì)胞粘附分子配體1(NCAM-L1/CD171)ELISA Kit  Human Neural cell adhesion molecule ligand 1,NCAM-L1 ELISA Kit
人神經(jīng)保護(hù)因子(CVNPF)ELISA Kit  Human Cobra venom neuronal protective factor,CVNPF ELISA Kit
人可溶性腫瘤壞死因子α受體(sTNFαR)ELISA Kit Human soluble Tumor Necrosis Factorαreceptor,sTNFαR ELISA Kit
人可溶性細(xì)胞因子受體(sCKR)ELISA Kit Human soluble cytokine receptor,sCKR ELISA Kit
人可溶性凋亡相關(guān)因子配體(sFASL)ELISA Kit Human soluble Factor-related Apoptosis ligand,sFASL/Apo-1 ELISA Kit
人細(xì)胞凋亡抑制因子(IAP)ELISA Kit Human inhibitor of apoptosis,IAP ELISA Kit
人集落刺激因子(CSF)ELISA Kit Human colony-stimulating factor,CSF ELISA Kit
人γ干擾素誘導(dǎo)單核細(xì)胞因子(MIGF/CXCL9)ELISA Kit Human monocyte interferon gamma inducing factor,MIGF ELISA Kit
人干擾素誘導(dǎo)T細(xì)胞趨化因子(ITAC/CXCL11)ELISA Kit Human Interferon inducible T-cell Chemoattractant,I-TAC ELISA Kit
人CD14分子(CDl4)ELISA Kit Human cluster Of differentiation,CDl4 ELISA Kit
人凋亡誘導(dǎo)因子(AIF)ELISA Kit Human apoptosis inducing factor,AIF ELISA Kit
人白細(xì)胞共同抗原(LCA/CD45)ELISA Kit Human leukocyte common antigen,LCA/CD45 ELISA Kit
人CD4分子(CD4)ELISA Kit Human cluster Of differentiation,CD4 ELISA Kit
人P鈣黏蛋白/胎盤鈣黏蛋白(P-cad)ELISA Kit Human Placenta Cadherin,P-cad ELISA Kit
人角化細(xì)胞生長因子(KGF)ELISA Kit Human Keratinocyte Growth Factor,KGF ELISA Kit
人血小板衍生生長因子BB(PDGF-BB)ELISA Kit Human Plaet-Derived Growth Factor-BB,PDGF-BB ELISA kit
人CXC趨化因子配體16(CXCL16)ELISA Kit Human CXC-chemokine ligand 16,CXCL16 ELISA Kit
人CXC趨化因子受體3(CXCR3)ELISA Kit Human CXC-chemokine receptor 3,CXCR3 ELISA Kit
人γ干擾素誘導(dǎo)蛋白16/p16(IFI16/p16)ELISA Kit Human interferon-inducible protein 16,IFI16/p16 ELISA Kit
人基質(zhì)細(xì)胞衍生因子1a(SDF-1a/CXCL12)ELISA Kit Human Stromal cell derived factor 1a,SDF-1a ELISA Kit
人淋巴細(xì)胞趨化因子(Lptn/LTN/XCL1)ELISA Kit Human lymphotactin,Lptn/LTN ELISA Kit
人α干擾素(IFN-α)ELISA Kit Human Interferon α,IFN-α ELISA Kit
人可溶性CD86(B7-2/sCD86)ELISA Kit Human soluble Cluster of differentiation 86,sCD86 ELISA Kit
人白介素27(IL-27)ELISA Kit human Interleukin 27,IL-27 ELISA Kit
人白介素23(IL-23)ELISA Kit Human Interleukin 23,IL-23 ELISA Kit
人巨噬細(xì)胞移動(dòng)抑制因子(MIF)ELISA Kit Human Macrophage Migration Inhibitory Factor,MIF ELISA Kit
人組織因子途徑抑制物(TFPI)ELISA Kit Human Tissue factor pathway inhibitor,TFPI ELISA Kit
人干擾素誘導(dǎo)蛋白10(IP-10/CXCL10)ELISA Kit Human interferon-inducible protein 10,IP-10 ELISA Kit
人白介素1(IL-1)ELISA Kit Human Interleukin 1,IL-1 ELISA Kit
人白介素17(IL-17)ELISA Kit Human Interleukin 17,IL-17 ELISA Kit
人白介素1β (IL-1β)ELISA Kit Human Interleukin 1β,IL-1β ELISA Kit
人表皮生長因子(EGF)ELISA Kit Human Epidermal growth factor,EGF ELISA Kit
人堿性成纖維細(xì)胞生長因子(bFGF)ELISA Kit Human basic fibroblast growth factor,bFGF ELISA Kit
人巨噬細(xì)胞炎性蛋白5(MIP-5)ELISA Kit Human macrophage inflammatory protein 5,MIP-5 ELISA Kit
人可溶性E選擇素(sE-selectin)ELISA Kit Human soluble E-selectin,sE-selectin ELISA Kit
人可溶性細(xì)胞間粘附分子1(sICAM-1)ELISA Kit Human Soluble Intercellular Adhesion Molecule-1,sICAM-1 ELISA Kit
人細(xì)胞間粘附分子2(ICAM-2/CD102)ELISA Kit Human intercellular adhesion molecule 2,ICAM-2 ELISA Kit
人細(xì)胞間粘附分子3(ICAM-3/CD50)ELISA Kit Human intercellular adhesion molecule 3,ICAM-3 ELISA Kit
人結(jié)締組織生長因子(CTGF)ELISA Kit Human connective tissue growth factor,CTGF ELISA Kit
人白介素18(IL-18)ELISA Kit Human Interleukin 18,IL-18 ELISA KIT
人粘膜相關(guān)上皮趨化因子(MEC/CCL28)ELISA Kit  Human mucosae associated epithelia chemokine,MEC ELISA Kit
人粘膜相關(guān)上皮趨化因子(MEC/CCL28)ELISA Kit  Human mucosae associated epithelia chemokine,MEC ELISA Kit

油酸 cis-9-Octadecenoic acid 112-80-1
雅姆皂苷元  Yamogenin 512-06-1
 8-乙氧基滇烏堿（95%）  8-O-ethylyunaconitine  
 硬飛燕草堿 Delsoline   509-18-2
蕓苔素內(nèi)酯 95% Brassinolide 72962-43-7
一葉萩堿 Securinine  5610-40-2
一枝蒿庚素 Bullatine G 
茵芋堿 Chloroxylonine 83-95-4
異鼠李素-3-O-半乳糖苷 Isorhamnetin-3-O-galactoside  6743-92-6
2-O-乙酰山椒子烯酮 2-O-Acetylzeylenone
 
野菊花內(nèi)酯 Yejunualactone 
愈創(chuàng)木酚 Guaiacol 1990/5/1
伊立替康 irinotecan 
鹽酸伊立替康 Irinotecan hydrochloride 100286-90-6
鹽酸小檗胺 BerbaMine dihydrochloride 6078-17-7
梓醇 Catalpol 2415-24-9
紫杉肽 paclitaxtide 
獐牙菜苷 Sweroside 14215-86-2
獐牙菜苦苷 Swertiamarine 17388-39-5
紫菀酮 Shionone 10376-48-4
紫蘇葶 Perillartine 30950-27-7
紫蘇醛 l-Perillaldehyde 18031-40-8
棕櫚酸乙酯 Palmitic acid ethyl ester 628-97-7
樟腦 Camphor 76-22-2
知母皂苷 BⅡ Timosaponin BII 136656-07-0
知母皂苷A-Ⅲ Timosaponin A-III 41059-79-4
知母皂苷元 Sarsasapogenin 82597-74-8
芝麻素 Sesamin 607-80-7
芝麻酚 Sesamol 533-31-3
芝麻林素 Sesamolin  526-07-8
梣酮 Fraxinellone 28808-62-0
植酸（UV98%） Phytic acid 83-86-3
竹節(jié)參皂苷IVa Chikusetsu saponin Ⅳa 51415-02-2
竹節(jié)香附素A Raddeanin(Anemodeanin) A 89412-79-3
左旋多巴  Levodopa 59-92-7
棕櫚酸 Palmitic acid  1957/10/3
 紫檀芪 Pterostilbene 537-42-8
紫莖女貞苷A（95%）  Ligupurpuroside A 147396-01-8

紫莖女貞苷B Ligupurpuroside B 147396-02-9
 
紫莖女貞苷C（95%） Ligupurpuroside C 
紫莖女貞苷D （95%） Ligupurpuroside D 
cis-紫莖女貞苷B （95%） cis- Ligupurpuroside B 
蒼術(shù)素醇  
骨化二醇 Calcifediol 63283-36-3、19356-17-3
骨化三醇 Calcifediol 32222-06-3/211866-07-8
雷帕霉素 Sirolimus 53123-88-9
他克莫司 Tacrolimus 104987-11-3
硫秋水仙苷  Acetamide 602-41-5
小檗紅堿 Berberrubine 15401-69-1
山茱萸新苷 Cornuside  131189-57-6
非洲防己堿 Columbamine 
佛司可林 Forskolin 66575-29-9
蠶豆苷 VICINE 152-93-2
五味子酯乙 Schisantherin B 
五味子酚 Schisanhenol 
戈米辛G GOMISING 62956-48-3
戈米辛J  
京尼平龍膽雙糖苷 Genipin 1-gentiobioside 29307-60-6
異補(bǔ)骨脂二氫黃酮 Isobavachin
 31524-62-6
山nai酚-3-葡萄糖鼠李糖苷  
茯苓總酸（鑒別用）  
棕矢車菊素  Jaceosidin 18085-97-7
人參皂苷Rh1 Ginsenoside Rh 1 63223-86-9
金合歡素 Acacetin 480-44-4
氧化白藜蘆醇 Oxyresveratrol   29700-22-9
絲石竹皂苷元-3-O-β-D-葡萄糖醛酸苷 Gypsogenin 3-O-β-D-glucuronopyranoside  96553-02-5
茶黃素 Theaflavin 4670/5/7
鴉膽子苦醇 BRUSATOL  14907-98-3
大豆皂苷Ba Soyasaponin Ba  114590-20-4
蒼術(shù)酮（90%）鑒別用 Atractylon 6989-21-5
異芒果苷 Isomangiferin 24699-16-9
醉椒素 Kavain 3155-48-4
去甲氧基醉椒素 Demethoxyyangonin 15345-89-8
旱蓮苷A  Ecliptasaponin A 
升麻醇-3-O-β-D-吡喃木糖苷 Cimigenol-3-O-β-D-xylpyranoside 27994-11-2
胡麻屬苷 Sesamoside 117479-87-5
枸櫞酸血根堿 Sanguinarine citrate 
7,4'-二羥基黃酮 7,4'-dihydroxyflavone 2196-14-7
知母皂苷Ａ1(94%) Timosaponin A1 41059-79-4
遠(yuǎn)志皂苷B Onjisaponin B 
兒茶素沒食子酸酯 catechin gallate 130405-40-2
脫氫海罌su堿 Glaucine 475-81-0
 紫堇堿 ](+)-corydaline 
異澤蘭黃素 Eupatilin 22368-21-4
苯甲酰氧化芍藥苷 Benzoyloxypaeoniflorin 
羅丹明B Rhodamine B 81-88-9
通關(guān)藤苷I Tenacissoside I 191729-44-9
通關(guān)藤苷G Tenacissoside G 191729-43-8
蘆竹堿（97%） Donaxine 87-52-5
蝙蝠葛諾林堿（96%) Daurinoline 2831-75-6
荷包牡丹堿 Dicentrine 28832-07-7
脫氫吳茱萸堿 Dehydroevodiamine 67909-49-3
大豆皂苷BB Soyasaponin BB 51330-27-9
田基黃苷 Vincetoxicoside B 22007-72-3
大黃素甲醚-8-O葡萄糖苷 Physcion-8-O-β-D-glucopyranoside  
二氫槲皮素-7-O-鼠李糖苷  
7-乙基喜樹堿 7-Ethylcamptothecin 78287-27-1
灰氈毛忍冬皂苷甲 Macranthoidin A 140360-29-8
珊瑚菜素 Phellopterin 2543-94-4
異東莨菪內(nèi)酯（鑒別用）  
常春藤苷C Hederacoside C 14216-03-6
常春藤苷D Hederacoside D 760961-03-3
芹糖甘草苷 Liquiritin apioside 74639-14-8
水飛薊寧 Silydianin 29782-68-1
水飛薊亭 Silychristin 33889-69-9
苦瓜苷A Momordicoside A 75801-95-5
碘化木蘭花堿 Magnoflorine iodide 4277-43-4
  
  
  
 左旋肉堿  L(-)-Carnitine  541-15-1
 正丁胺  Butylamine  109-73-9
 丙氨酸  D-Alanine  338-69-2
L-苯丙氨酸 L-Phenylalanine 63-91-2
達(dá)卡巴嗪 Dacarbazine 4342/3/4
蛋氨酸 L-Methionine 63-68-3
L-蛋氨酸 L-Methionine 63-68-3
 腐胺  1,4-Diaminobutane  110-60-1
L-谷氨酸 L-Glutamic acid 56-86-0
甘氨酸 Glycine 56-40-6
L-胱氨酸 L-Cystine 56-89-3
L-谷胱甘肽 Glutathione 70-18-8
L-谷氨酰胺 L-Glutamine 56-85-9
L-精氨酸 L(+)-Arginine 74-79-3
金剛烷 Adamantane 281-23-2
2-金剛烷酮 2-Adamantanone 700-58-3
金剛烷醇 2-Adamantanol 700-57-2
L-亮氨酸  L-Leucine 61-90-5
賴氨酸 L-Lysine 56-87-1
L-酪氨酸 L-Tyrosine 60-18-4
馬來酸 Maleic acid 110-16-7
尿素 Urea 57-13-6
L-鳥氨酸鹽酸鹽 L(+)-Ornithine hydrochloride 3184-13-2
三聚氰胺 Melamine 108-78-1
L-蘇氨酸 L-Threonine 72-19-5
L-絲氨酸 L-Serine 56-45-1
L-天冬氨酸 L(+)-Asparagine monohydrate 5794-13-8
天冬酰胺 L-Aspartic acid
 56-84-8
烏苯美司 Ubenimex 58970-76-6
維生素A Vitamin A 68-26-8
維生素C Vitamin C 50-81-7
維生素E Vitamin E 13959-02-9
維生素B12 Vitamin B12 68-19-9
維生素K3 Menadione 58-27-5
L-纈氨酸 L-Valine 72-18-4
煙酰胺 Nicotinamide 98-92-0
煙酸 Nicotinic acid 59-67-6
L-異亮氨酸 L-Isoleucine 73-32-5
月桂氮卓酮 Laurocapram 59227-89-3
組氨酸 L-Histidine 71-00-1
植酸鈣 Calcium phytate  3615-82-5
植酸鈉 Sodium phytate  14306-25-3
植酸鋅 Zinc Phytate 63903-51-5
苯乙酸 Phenylacetic acid  103-82-2
胞嘧啶 Cytosine 71-30-7
尿嘧啶 Uracil 66-22-8
胸腺嘧啶 thymine  65-71-4
 阿卡波糖 Acarbose 56180-94-0
伏格列波糖  
羅紅霉素 Roxithromycin 80214-83-1
阿奇霉素 Azithromycin  83905-01-5
雌酚酮 Estrone
 53-16-7
次黃嘌呤 6-Hydroxypurine 68-94-0
黃嘌呤 2,6-Dihydroxypurine 69-89-6
鳥嘌呤 Guanine 73-40-5
肌苷 Inosine 58-63-9
腺嘌呤 Adenine 73-24-5
 泛酸鈣 Calcium pantothenate 137-08-6
 富馬酸  Fumaric acid  110-17-8
甘露醇 Mannitol 87-78-5
 L-色氨酸  L-Tryptophan 73-22-3
維生素B2 Vitamin B2 83-88-5
維生素D3 Vitamin D3 511-28-4
維生素A乙酸酯 Retinyl acetate 127-47-9
煙堿 Nicotine  20033
維生素B6 Vitamin B6   65-23-6
維生素B1 Aneurine hydrochloride 
硫酸鋅 Zinc Sulfate 7446-20-0
D（+）-氨基葡萄糖鹽酸鹽 D-Glucosamine hydrochloride 66-84-2
對(duì)乙酰氨基苯酚 4-Acetamidophenol 103-90-2
維生素D2 Vitamin D2 50-14-6